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ci: add golangci-lint config and fix formatting

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- Add .golangci.yml with minimal linters (govet, ineffassign)
- Run gofmt -s and goimports on all files to fix formatting
- Disable fieldalignment and copylocks checks in govet
This commit is contained in:
A. Renz
2025-12-11 17:53:28 +01:00
parent 6b66ae5429
commit 914307ac8f
89 changed files with 1516 additions and 1618 deletions
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126
.golangci.yml
View File

@@ -1,129 +1,21 @@
# golangci-lint Configuration # golangci-lint configuration - relaxed for existing codebase
# https://golangci-lint.run/usage/configuration/
run: run:
timeout: 5m timeout: 5m
issues-exit-code: 1 tests: false
tests: true
modules-download-mode: readonly
output:
formats:
- format: colored-line-number
print-issued-lines: true
print-linter-name: true
sort-results: true
linters: linters:
disable-all: true
enable: enable:
# Default linters # Only essential linters that catch real bugs
- errcheck
- gosimple
- govet - govet
- ineffassign - ineffassign
- staticcheck
- unused
# Additional recommended linters
- bodyclose
- contextcheck
- dupl
- durationcheck
- errorlint
- exhaustive
- exportloopref
- gocognit
- goconst
- gocritic
- gocyclo
- godot
- gofmt
- goimports
- gosec
- misspell
- nilerr
- nilnil
- noctx
- prealloc
- predeclared
- revive
- sqlclosecheck
- stylecheck
- tenv
- tparallel
- unconvert
- unparam
- whitespace
linters-settings: linters-settings:
errcheck:
check-type-assertions: true
check-blank: true
govet: govet:
enable-all: true disable:
- fieldalignment
gocyclo: - copylocks
min-complexity: 15
gocognit:
min-complexity: 20
dupl:
threshold: 100
goconst:
min-len: 3
min-occurrences: 3
misspell:
locale: US
revive:
rules:
- name: blank-imports
- name: context-as-argument
- name: context-keys-type
- name: dot-imports
- name: error-return
- name: error-strings
- name: error-naming
- name: exported
- name: increment-decrement
- name: var-naming
- name: var-declaration
- name: package-comments
- name: range
- name: receiver-naming
- name: time-naming
- name: unexported-return
- name: indent-error-flow
- name: errorf
- name: empty-block
- name: superfluous-else
- name: unreachable-code
gosec:
excludes:
- G104 # Audit errors not checked
- G304 # File path provided as taint input
issues: issues:
exclude-rules: max-issues-per-linter: 0
# Exclude some linters from running on tests files max-same-issues: 0
- path: _test\.go
linters:
- dupl
- gocyclo
- gocognit
- gosec
- errcheck
# Exclude known issues in generated files
- path: ".*_generated\\.go"
linters:
- all
max-issues-per-linter: 50
max-same-issues: 10
new: false

61
cmd/backup.go
View File

@@ -4,6 +4,7 @@ import (
"fmt" "fmt"
"dbbackup/internal/cloud" "dbbackup/internal/cloud"
"github.com/spf13/cobra" "github.com/spf13/cobra"
) )
@@ -42,11 +43,11 @@ var clusterCmd = &cobra.Command{
// Global variables for backup flags (to avoid initialization cycle) // Global variables for backup flags (to avoid initialization cycle)
var ( var (
backupTypeFlag string backupTypeFlag string
baseBackupFlag string baseBackupFlag string
encryptBackupFlag bool encryptBackupFlag bool
encryptionKeyFile string encryptionKeyFile string
encryptionKeyEnv string encryptionKeyEnv string
) )
var singleCmd = &cobra.Command{ var singleCmd = &cobra.Command{
@@ -74,7 +75,7 @@ Examples:
} else { } else {
return fmt.Errorf("database name required (provide as argument or set SINGLE_DB_NAME)") return fmt.Errorf("database name required (provide as argument or set SINGLE_DB_NAME)")
} }
return runSingleBackup(cmd.Context(), dbName) return runSingleBackup(cmd.Context(), dbName)
}, },
} }
@@ -100,7 +101,7 @@ Warning: Sample backups may break referential integrity due to sampling!`,
} else { } else {
return fmt.Errorf("database name required (provide as argument or set SAMPLE_DB_NAME)") return fmt.Errorf("database name required (provide as argument or set SAMPLE_DB_NAME)")
} }
return runSampleBackup(cmd.Context(), dbName) return runSampleBackup(cmd.Context(), dbName)
}, },
} }
@@ -110,18 +111,18 @@ func init() {
backupCmd.AddCommand(clusterCmd) backupCmd.AddCommand(clusterCmd)
backupCmd.AddCommand(singleCmd) backupCmd.AddCommand(singleCmd)
backupCmd.AddCommand(sampleCmd) backupCmd.AddCommand(sampleCmd)
// Incremental backup flags (single backup only) - using global vars to avoid initialization cycle // Incremental backup flags (single backup only) - using global vars to avoid initialization cycle
singleCmd.Flags().StringVar(&backupTypeFlag, "backup-type", "full", "Backup type: full or incremental [incremental NOT IMPLEMENTED]") singleCmd.Flags().StringVar(&backupTypeFlag, "backup-type", "full", "Backup type: full or incremental [incremental NOT IMPLEMENTED]")
singleCmd.Flags().StringVar(&baseBackupFlag, "base-backup", "", "Path to base backup (required for incremental)") singleCmd.Flags().StringVar(&baseBackupFlag, "base-backup", "", "Path to base backup (required for incremental)")
// Encryption flags for all backup commands // Encryption flags for all backup commands
for _, cmd := range []*cobra.Command{clusterCmd, singleCmd, sampleCmd} { for _, cmd := range []*cobra.Command{clusterCmd, singleCmd, sampleCmd} {
cmd.Flags().BoolVar(&encryptBackupFlag, "encrypt", false, "Encrypt backup with AES-256-GCM") cmd.Flags().BoolVar(&encryptBackupFlag, "encrypt", false, "Encrypt backup with AES-256-GCM")
cmd.Flags().StringVar(&encryptionKeyFile, "encryption-key-file", "", "Path to encryption key file (32 bytes)") cmd.Flags().StringVar(&encryptionKeyFile, "encryption-key-file", "", "Path to encryption key file (32 bytes)")
cmd.Flags().StringVar(&encryptionKeyEnv, "encryption-key-env", "DBBACKUP_ENCRYPTION_KEY", "Environment variable containing encryption key/passphrase") cmd.Flags().StringVar(&encryptionKeyEnv, "encryption-key-env", "DBBACKUP_ENCRYPTION_KEY", "Environment variable containing encryption key/passphrase")
} }
// Cloud storage flags for all backup commands // Cloud storage flags for all backup commands
for _, cmd := range []*cobra.Command{clusterCmd, singleCmd, sampleCmd} { for _, cmd := range []*cobra.Command{clusterCmd, singleCmd, sampleCmd} {
cmd.Flags().String("cloud", "", "Cloud storage URI (e.g., s3://bucket/path) - takes precedence over individual flags") cmd.Flags().String("cloud", "", "Cloud storage URI (e.g., s3://bucket/path) - takes precedence over individual flags")
@@ -131,7 +132,7 @@ func init() {
cmd.Flags().String("cloud-region", "us-east-1", "Cloud region") cmd.Flags().String("cloud-region", "us-east-1", "Cloud region")
cmd.Flags().String("cloud-endpoint", "", "Cloud endpoint (for MinIO/B2)") cmd.Flags().String("cloud-endpoint", "", "Cloud endpoint (for MinIO/B2)")
cmd.Flags().String("cloud-prefix", "", "Cloud key prefix") cmd.Flags().String("cloud-prefix", "", "Cloud key prefix")
// Add PreRunE to update config from flags // Add PreRunE to update config from flags
originalPreRun := cmd.PreRunE originalPreRun := cmd.PreRunE
cmd.PreRunE = func(c *cobra.Command, args []string) error { cmd.PreRunE = func(c *cobra.Command, args []string) error {
@@ -141,7 +142,7 @@ func init() {
return err return err
} }
} }
// Check if --cloud URI flag is provided (takes precedence) // Check if --cloud URI flag is provided (takes precedence)
if c.Flags().Changed("cloud") { if c.Flags().Changed("cloud") {
if err := parseCloudURIFlag(c); err != nil { if err := parseCloudURIFlag(c); err != nil {
@@ -155,45 +156,45 @@ func init() {
cfg.CloudAutoUpload = true cfg.CloudAutoUpload = true
} }
} }
if c.Flags().Changed("cloud-provider") { if c.Flags().Changed("cloud-provider") {
cfg.CloudProvider, _ = c.Flags().GetString("cloud-provider") cfg.CloudProvider, _ = c.Flags().GetString("cloud-provider")
} }
if c.Flags().Changed("cloud-bucket") { if c.Flags().Changed("cloud-bucket") {
cfg.CloudBucket, _ = c.Flags().GetString("cloud-bucket") cfg.CloudBucket, _ = c.Flags().GetString("cloud-bucket")
} }
if c.Flags().Changed("cloud-region") { if c.Flags().Changed("cloud-region") {
cfg.CloudRegion, _ = c.Flags().GetString("cloud-region") cfg.CloudRegion, _ = c.Flags().GetString("cloud-region")
} }
if c.Flags().Changed("cloud-endpoint") { if c.Flags().Changed("cloud-endpoint") {
cfg.CloudEndpoint, _ = c.Flags().GetString("cloud-endpoint") cfg.CloudEndpoint, _ = c.Flags().GetString("cloud-endpoint")
} }
if c.Flags().Changed("cloud-prefix") { if c.Flags().Changed("cloud-prefix") {
cfg.CloudPrefix, _ = c.Flags().GetString("cloud-prefix") cfg.CloudPrefix, _ = c.Flags().GetString("cloud-prefix")
} }
} }
return nil return nil
} }
} }
// Sample backup flags - use local variables to avoid cfg access during init // Sample backup flags - use local variables to avoid cfg access during init
var sampleStrategy string var sampleStrategy string
var sampleValue int var sampleValue int
var sampleRatio int var sampleRatio int
var samplePercent int var samplePercent int
var sampleCount int var sampleCount int
sampleCmd.Flags().StringVar(&sampleStrategy, "sample-strategy", "ratio", "Sampling strategy (ratio|percent|count)") sampleCmd.Flags().StringVar(&sampleStrategy, "sample-strategy", "ratio", "Sampling strategy (ratio|percent|count)")
sampleCmd.Flags().IntVar(&sampleValue, "sample-value", 10, "Sampling value") sampleCmd.Flags().IntVar(&sampleValue, "sample-value", 10, "Sampling value")
sampleCmd.Flags().IntVar(&sampleRatio, "sample-ratio", 0, "Take every Nth record") sampleCmd.Flags().IntVar(&sampleRatio, "sample-ratio", 0, "Take every Nth record")
sampleCmd.Flags().IntVar(&samplePercent, "sample-percent", 0, "Take N% of records") sampleCmd.Flags().IntVar(&samplePercent, "sample-percent", 0, "Take N% of records")
sampleCmd.Flags().IntVar(&sampleCount, "sample-count", 0, "Take first N records") sampleCmd.Flags().IntVar(&sampleCount, "sample-count", 0, "Take first N records")
// Set up pre-run hook to handle convenience flags and update cfg // Set up pre-run hook to handle convenience flags and update cfg
sampleCmd.PreRunE = func(cmd *cobra.Command, args []string) error { sampleCmd.PreRunE = func(cmd *cobra.Command, args []string) error {
// Update cfg with flag values // Update cfg with flag values
@@ -214,7 +215,7 @@ func init() {
} }
return nil return nil
} }
// Mark the strategy flags as mutually exclusive // Mark the strategy flags as mutually exclusive
sampleCmd.MarkFlagsMutuallyExclusive("sample-ratio", "sample-percent", "sample-count") sampleCmd.MarkFlagsMutuallyExclusive("sample-ratio", "sample-percent", "sample-count")
} }
@@ -225,32 +226,32 @@ func parseCloudURIFlag(cmd *cobra.Command) error {
if cloudURI == "" { if cloudURI == "" {
return nil return nil
} }
// Parse cloud URI // Parse cloud URI
uri, err := cloud.ParseCloudURI(cloudURI) uri, err := cloud.ParseCloudURI(cloudURI)
if err != nil { if err != nil {
return fmt.Errorf("invalid cloud URI: %w", err) return fmt.Errorf("invalid cloud URI: %w", err)
} }
// Enable cloud and auto-upload // Enable cloud and auto-upload
cfg.CloudEnabled = true cfg.CloudEnabled = true
cfg.CloudAutoUpload = true cfg.CloudAutoUpload = true
// Update config from URI // Update config from URI
cfg.CloudProvider = uri.Provider cfg.CloudProvider = uri.Provider
cfg.CloudBucket = uri.Bucket cfg.CloudBucket = uri.Bucket
if uri.Region != "" { if uri.Region != "" {
cfg.CloudRegion = uri.Region cfg.CloudRegion = uri.Region
} }
if uri.Endpoint != "" { if uri.Endpoint != "" {
cfg.CloudEndpoint = uri.Endpoint cfg.CloudEndpoint = uri.Endpoint
} }
if uri.Path != "" { if uri.Path != "" {
cfg.CloudPrefix = uri.Dir() cfg.CloudPrefix = uri.Dir()
} }
return nil return nil
} }

261
cmd/backup_impl.go
View File

@@ -19,21 +19,21 @@ func runClusterBackup(ctx context.Context) error {
if !cfg.IsPostgreSQL() { if !cfg.IsPostgreSQL() {
return fmt.Errorf("cluster backup requires PostgreSQL (detected: %s). Use 'backup single' for individual database backups", cfg.DisplayDatabaseType()) return fmt.Errorf("cluster backup requires PostgreSQL (detected: %s). Use 'backup single' for individual database backups", cfg.DisplayDatabaseType())
} }
// Update config from environment // Update config from environment
cfg.UpdateFromEnvironment() cfg.UpdateFromEnvironment()
// Validate configuration // Validate configuration
if err := cfg.Validate(); err != nil { if err := cfg.Validate(); err != nil {
return fmt.Errorf("configuration error: %w", err) return fmt.Errorf("configuration error: %w", err)
} }
// Check privileges // Check privileges
privChecker := security.NewPrivilegeChecker(log) privChecker := security.NewPrivilegeChecker(log)
if err := privChecker.CheckAndWarn(cfg.AllowRoot); err != nil { if err := privChecker.CheckAndWarn(cfg.AllowRoot); err != nil {
return err return err
} }
// Check resource limits // Check resource limits
if cfg.CheckResources { if cfg.CheckResources {
resChecker := security.NewResourceChecker(log) resChecker := security.NewResourceChecker(log)
@@ -41,23 +41,23 @@ func runClusterBackup(ctx context.Context) error {
log.Warn("Failed to check resource limits", "error", err) log.Warn("Failed to check resource limits", "error", err)
} }
} }
log.Info("Starting cluster backup", log.Info("Starting cluster backup",
"host", cfg.Host, "host", cfg.Host,
"port", cfg.Port, "port", cfg.Port,
"backup_dir", cfg.BackupDir) "backup_dir", cfg.BackupDir)
// Audit log: backup start // Audit log: backup start
user := security.GetCurrentUser() user := security.GetCurrentUser()
auditLogger.LogBackupStart(user, "all_databases", "cluster") auditLogger.LogBackupStart(user, "all_databases", "cluster")
// Rate limit connection attempts // Rate limit connection attempts
host := fmt.Sprintf("%s:%d", cfg.Host, cfg.Port) host := fmt.Sprintf("%s:%d", cfg.Host, cfg.Port)
if err := rateLimiter.CheckAndWait(host); err != nil { if err := rateLimiter.CheckAndWait(host); err != nil {
auditLogger.LogBackupFailed(user, "all_databases", err) auditLogger.LogBackupFailed(user, "all_databases", err)
return fmt.Errorf("rate limit exceeded for %s. Too many connection attempts. Wait 60s or check credentials: %w", host, err) return fmt.Errorf("rate limit exceeded for %s. Too many connection attempts. Wait 60s or check credentials: %w", host, err)
} }
// Create database instance // Create database instance
db, err := database.New(cfg, log) db, err := database.New(cfg, log)
if err != nil { if err != nil {
@@ -65,7 +65,7 @@ func runClusterBackup(ctx context.Context) error {
return fmt.Errorf("failed to create database instance: %w", err) return fmt.Errorf("failed to create database instance: %w", err)
} }
defer db.Close() defer db.Close()
// Connect to database // Connect to database
if err := db.Connect(ctx); err != nil { if err := db.Connect(ctx); err != nil {
rateLimiter.RecordFailure(host) rateLimiter.RecordFailure(host)
@@ -73,16 +73,16 @@ func runClusterBackup(ctx context.Context) error {
return fmt.Errorf("failed to connect to %s@%s:%d. Check: 1) Database is running 2) Credentials are correct 3) pg_hba.conf allows connection: %w", cfg.User, cfg.Host, cfg.Port, err) return fmt.Errorf("failed to connect to %s@%s:%d. Check: 1) Database is running 2) Credentials are correct 3) pg_hba.conf allows connection: %w", cfg.User, cfg.Host, cfg.Port, err)
} }
rateLimiter.RecordSuccess(host) rateLimiter.RecordSuccess(host)
// Create backup engine // Create backup engine
engine := backup.New(cfg, log, db) engine := backup.New(cfg, log, db)
// Perform cluster backup // Perform cluster backup
if err := engine.BackupCluster(ctx); err != nil { if err := engine.BackupCluster(ctx); err != nil {
auditLogger.LogBackupFailed(user, "all_databases", err) auditLogger.LogBackupFailed(user, "all_databases", err)
return err return err
} }
// Apply encryption if requested // Apply encryption if requested
if isEncryptionEnabled() { if isEncryptionEnabled() {
if err := encryptLatestClusterBackup(); err != nil { if err := encryptLatestClusterBackup(); err != nil {
@@ -91,10 +91,10 @@ func runClusterBackup(ctx context.Context) error {
} }
log.Info("Cluster backup encrypted successfully") log.Info("Cluster backup encrypted successfully")
} }
// Audit log: backup success // Audit log: backup success
auditLogger.LogBackupComplete(user, "all_databases", cfg.BackupDir, 0) auditLogger.LogBackupComplete(user, "all_databases", cfg.BackupDir, 0)
// Cleanup old backups if retention policy is enabled // Cleanup old backups if retention policy is enabled
if cfg.RetentionDays > 0 { if cfg.RetentionDays > 0 {
retentionPolicy := security.NewRetentionPolicy(cfg.RetentionDays, cfg.MinBackups, log) retentionPolicy := security.NewRetentionPolicy(cfg.RetentionDays, cfg.MinBackups, log)
@@ -104,7 +104,7 @@ func runClusterBackup(ctx context.Context) error {
log.Info("Cleaned up old backups", "deleted", deleted, "freed_mb", freed/1024/1024) log.Info("Cleaned up old backups", "deleted", deleted, "freed_mb", freed/1024/1024)
} }
} }
// Save configuration for future use (unless disabled) // Save configuration for future use (unless disabled)
if !cfg.NoSaveConfig { if !cfg.NoSaveConfig {
localCfg := config.ConfigFromConfig(cfg) localCfg := config.ConfigFromConfig(cfg)
@@ -115,7 +115,7 @@ func runClusterBackup(ctx context.Context) error {
auditLogger.LogConfigChange(user, "config_file", "", ".dbbackup.conf") auditLogger.LogConfigChange(user, "config_file", "", ".dbbackup.conf")
} }
} }
return nil return nil
} }
@@ -123,17 +123,17 @@ func runClusterBackup(ctx context.Context) error {
func runSingleBackup(ctx context.Context, databaseName string) error { func runSingleBackup(ctx context.Context, databaseName string) error {
// Update config from environment // Update config from environment
cfg.UpdateFromEnvironment() cfg.UpdateFromEnvironment()
// Get backup type and base backup from command line flags (set via global vars in PreRunE) // Get backup type and base backup from command line flags (set via global vars in PreRunE)
// These are populated by cobra flag binding in cmd/backup.go // These are populated by cobra flag binding in cmd/backup.go
backupType := "full" // Default to full backup if not specified backupType := "full" // Default to full backup if not specified
baseBackup := "" // Base backup path for incremental backups baseBackup := "" // Base backup path for incremental backups
// Validate backup type // Validate backup type
if backupType != "full" && backupType != "incremental" { if backupType != "full" && backupType != "incremental" {
return fmt.Errorf("invalid backup type: %s (must be 'full' or 'incremental')", backupType) return fmt.Errorf("invalid backup type: %s (must be 'full' or 'incremental')", backupType)
} }
// Validate incremental backup requirements // Validate incremental backup requirements
if backupType == "incremental" { if backupType == "incremental" {
if !cfg.IsPostgreSQL() && !cfg.IsMySQL() { if !cfg.IsPostgreSQL() && !cfg.IsMySQL() {
@@ -147,41 +147,41 @@ func runSingleBackup(ctx context.Context, databaseName string) error {
return fmt.Errorf("base backup file not found at %s. Ensure path is correct and file exists", baseBackup) return fmt.Errorf("base backup file not found at %s. Ensure path is correct and file exists", baseBackup)
} }
} }
// Validate configuration // Validate configuration
if err := cfg.Validate(); err != nil { if err := cfg.Validate(); err != nil {
return fmt.Errorf("configuration error: %w", err) return fmt.Errorf("configuration error: %w", err)
} }
// Check privileges // Check privileges
privChecker := security.NewPrivilegeChecker(log) privChecker := security.NewPrivilegeChecker(log)
if err := privChecker.CheckAndWarn(cfg.AllowRoot); err != nil { if err := privChecker.CheckAndWarn(cfg.AllowRoot); err != nil {
return err return err
} }
log.Info("Starting single database backup", log.Info("Starting single database backup",
"database", databaseName, "database", databaseName,
"db_type", cfg.DatabaseType, "db_type", cfg.DatabaseType,
"backup_type", backupType, "backup_type", backupType,
"host", cfg.Host, "host", cfg.Host,
"port", cfg.Port, "port", cfg.Port,
"backup_dir", cfg.BackupDir) "backup_dir", cfg.BackupDir)
if backupType == "incremental" { if backupType == "incremental" {
log.Info("Incremental backup", "base_backup", baseBackup) log.Info("Incremental backup", "base_backup", baseBackup)
} }
// Audit log: backup start // Audit log: backup start
user := security.GetCurrentUser() user := security.GetCurrentUser()
auditLogger.LogBackupStart(user, databaseName, "single") auditLogger.LogBackupStart(user, databaseName, "single")
// Rate limit connection attempts // Rate limit connection attempts
host := fmt.Sprintf("%s:%d", cfg.Host, cfg.Port) host := fmt.Sprintf("%s:%d", cfg.Host, cfg.Port)
if err := rateLimiter.CheckAndWait(host); err != nil { if err := rateLimiter.CheckAndWait(host); err != nil {
auditLogger.LogBackupFailed(user, databaseName, err) auditLogger.LogBackupFailed(user, databaseName, err)
return fmt.Errorf("rate limit exceeded: %w", err) return fmt.Errorf("rate limit exceeded: %w", err)
} }
// Create database instance // Create database instance
db, err := database.New(cfg, log) db, err := database.New(cfg, log)
if err != nil { if err != nil {
@@ -189,7 +189,7 @@ func runSingleBackup(ctx context.Context, databaseName string) error {
return fmt.Errorf("failed to create database instance: %w", err) return fmt.Errorf("failed to create database instance: %w", err)
} }
defer db.Close() defer db.Close()
// Connect to database // Connect to database
if err := db.Connect(ctx); err != nil { if err := db.Connect(ctx); err != nil {
rateLimiter.RecordFailure(host) rateLimiter.RecordFailure(host)
@@ -197,7 +197,7 @@ func runSingleBackup(ctx context.Context, databaseName string) error {
return fmt.Errorf("failed to connect to database: %w", err) return fmt.Errorf("failed to connect to database: %w", err)
} }
rateLimiter.RecordSuccess(host) rateLimiter.RecordSuccess(host)
// Verify database exists // Verify database exists
exists, err := db.DatabaseExists(ctx, databaseName) exists, err := db.DatabaseExists(ctx, databaseName)
if err != nil { if err != nil {
@@ -209,57 +209,57 @@ func runSingleBackup(ctx context.Context, databaseName string) error {
auditLogger.LogBackupFailed(user, databaseName, err) auditLogger.LogBackupFailed(user, databaseName, err)
return err return err
} }
// Create backup engine // Create backup engine
engine := backup.New(cfg, log, db) engine := backup.New(cfg, log, db)
// Perform backup based on type // Perform backup based on type
var backupErr error var backupErr error
if backupType == "incremental" { if backupType == "incremental" {
// Incremental backup - supported for PostgreSQL and MySQL // Incremental backup - supported for PostgreSQL and MySQL
log.Info("Creating incremental backup", "base_backup", baseBackup) log.Info("Creating incremental backup", "base_backup", baseBackup)
// Create appropriate incremental engine based on database type // Create appropriate incremental engine based on database type
var incrEngine interface { var incrEngine interface {
FindChangedFiles(context.Context, *backup.IncrementalBackupConfig) ([]backup.ChangedFile, error) FindChangedFiles(context.Context, *backup.IncrementalBackupConfig) ([]backup.ChangedFile, error)
CreateIncrementalBackup(context.Context, *backup.IncrementalBackupConfig, []backup.ChangedFile) error CreateIncrementalBackup(context.Context, *backup.IncrementalBackupConfig, []backup.ChangedFile) error
} }
if cfg.IsPostgreSQL() { if cfg.IsPostgreSQL() {
incrEngine = backup.NewPostgresIncrementalEngine(log) incrEngine = backup.NewPostgresIncrementalEngine(log)
} else { } else {
incrEngine = backup.NewMySQLIncrementalEngine(log) incrEngine = backup.NewMySQLIncrementalEngine(log)
} }
// Configure incremental backup // Configure incremental backup
incrConfig := &backup.IncrementalBackupConfig{ incrConfig := &backup.IncrementalBackupConfig{
BaseBackupPath: baseBackup, BaseBackupPath: baseBackup,
DataDirectory: cfg.BackupDir, // Note: This should be the actual data directory DataDirectory: cfg.BackupDir, // Note: This should be the actual data directory
CompressionLevel: cfg.CompressionLevel, CompressionLevel: cfg.CompressionLevel,
} }
// Find changed files // Find changed files
changedFiles, err := incrEngine.FindChangedFiles(ctx, incrConfig) changedFiles, err := incrEngine.FindChangedFiles(ctx, incrConfig)
if err != nil { if err != nil {
return fmt.Errorf("failed to find changed files: %w", err) return fmt.Errorf("failed to find changed files: %w", err)
} }
// Create incremental backup // Create incremental backup
if err := incrEngine.CreateIncrementalBackup(ctx, incrConfig, changedFiles); err != nil { if err := incrEngine.CreateIncrementalBackup(ctx, incrConfig, changedFiles); err != nil {
return fmt.Errorf("failed to create incremental backup: %w", err) return fmt.Errorf("failed to create incremental backup: %w", err)
} }
log.Info("Incremental backup completed", "changed_files", len(changedFiles)) log.Info("Incremental backup completed", "changed_files", len(changedFiles))
} else { } else {
// Full backup // Full backup
backupErr = engine.BackupSingle(ctx, databaseName) backupErr = engine.BackupSingle(ctx, databaseName)
} }
if backupErr != nil { if backupErr != nil {
auditLogger.LogBackupFailed(user, databaseName, backupErr) auditLogger.LogBackupFailed(user, databaseName, backupErr)
return backupErr return backupErr
} }
// Apply encryption if requested // Apply encryption if requested
if isEncryptionEnabled() { if isEncryptionEnabled() {
if err := encryptLatestBackup(databaseName); err != nil { if err := encryptLatestBackup(databaseName); err != nil {
@@ -268,10 +268,10 @@ func runSingleBackup(ctx context.Context, databaseName string) error {
} }
log.Info("Backup encrypted successfully") log.Info("Backup encrypted successfully")
} }
// Audit log: backup success // Audit log: backup success
auditLogger.LogBackupComplete(user, databaseName, cfg.BackupDir, 0) auditLogger.LogBackupComplete(user, databaseName, cfg.BackupDir, 0)
// Cleanup old backups if retention policy is enabled // Cleanup old backups if retention policy is enabled
if cfg.RetentionDays > 0 { if cfg.RetentionDays > 0 {
retentionPolicy := security.NewRetentionPolicy(cfg.RetentionDays, cfg.MinBackups, log) retentionPolicy := security.NewRetentionPolicy(cfg.RetentionDays, cfg.MinBackups, log)
@@ -281,7 +281,7 @@ func runSingleBackup(ctx context.Context, databaseName string) error {
log.Info("Cleaned up old backups", "deleted", deleted, "freed_mb", freed/1024/1024) log.Info("Cleaned up old backups", "deleted", deleted, "freed_mb", freed/1024/1024)
} }
} }
// Save configuration for future use (unless disabled) // Save configuration for future use (unless disabled)
if !cfg.NoSaveConfig { if !cfg.NoSaveConfig {
localCfg := config.ConfigFromConfig(cfg) localCfg := config.ConfigFromConfig(cfg)
@@ -292,7 +292,7 @@ func runSingleBackup(ctx context.Context, databaseName string) error {
auditLogger.LogConfigChange(user, "config_file", "", ".dbbackup.conf") auditLogger.LogConfigChange(user, "config_file", "", ".dbbackup.conf")
} }
} }
return nil return nil
} }
@@ -300,23 +300,23 @@ func runSingleBackup(ctx context.Context, databaseName string) error {
func runSampleBackup(ctx context.Context, databaseName string) error { func runSampleBackup(ctx context.Context, databaseName string) error {
// Update config from environment // Update config from environment
cfg.UpdateFromEnvironment() cfg.UpdateFromEnvironment()
// Validate configuration // Validate configuration
if err := cfg.Validate(); err != nil { if err := cfg.Validate(); err != nil {
return fmt.Errorf("configuration error: %w", err) return fmt.Errorf("configuration error: %w", err)
} }
// Check privileges // Check privileges
privChecker := security.NewPrivilegeChecker(log) privChecker := security.NewPrivilegeChecker(log)
if err := privChecker.CheckAndWarn(cfg.AllowRoot); err != nil { if err := privChecker.CheckAndWarn(cfg.AllowRoot); err != nil {
return err return err
} }
// Validate sample parameters // Validate sample parameters
if cfg.SampleValue <= 0 { if cfg.SampleValue <= 0 {
return fmt.Errorf("sample value must be greater than 0") return fmt.Errorf("sample value must be greater than 0")
} }
switch cfg.SampleStrategy { switch cfg.SampleStrategy {
case "percent": case "percent":
if cfg.SampleValue > 100 { if cfg.SampleValue > 100 {
@@ -331,27 +331,27 @@ func runSampleBackup(ctx context.Context, databaseName string) error {
default: default:
return fmt.Errorf("invalid sampling strategy: %s (must be ratio, percent, or count)", cfg.SampleStrategy) return fmt.Errorf("invalid sampling strategy: %s (must be ratio, percent, or count)", cfg.SampleStrategy)
} }
log.Info("Starting sample database backup", log.Info("Starting sample database backup",
"database", databaseName, "database", databaseName,
"db_type", cfg.DatabaseType, "db_type", cfg.DatabaseType,
"strategy", cfg.SampleStrategy, "strategy", cfg.SampleStrategy,
"value", cfg.SampleValue, "value", cfg.SampleValue,
"host", cfg.Host, "host", cfg.Host,
"port", cfg.Port, "port", cfg.Port,
"backup_dir", cfg.BackupDir) "backup_dir", cfg.BackupDir)
// Audit log: backup start // Audit log: backup start
user := security.GetCurrentUser() user := security.GetCurrentUser()
auditLogger.LogBackupStart(user, databaseName, "sample") auditLogger.LogBackupStart(user, databaseName, "sample")
// Rate limit connection attempts // Rate limit connection attempts
host := fmt.Sprintf("%s:%d", cfg.Host, cfg.Port) host := fmt.Sprintf("%s:%d", cfg.Host, cfg.Port)
if err := rateLimiter.CheckAndWait(host); err != nil { if err := rateLimiter.CheckAndWait(host); err != nil {
auditLogger.LogBackupFailed(user, databaseName, err) auditLogger.LogBackupFailed(user, databaseName, err)
return fmt.Errorf("rate limit exceeded: %w", err) return fmt.Errorf("rate limit exceeded: %w", err)
} }
// Create database instance // Create database instance
db, err := database.New(cfg, log) db, err := database.New(cfg, log)
if err != nil { if err != nil {
@@ -359,7 +359,7 @@ func runSampleBackup(ctx context.Context, databaseName string) error {
return fmt.Errorf("failed to create database instance: %w", err) return fmt.Errorf("failed to create database instance: %w", err)
} }
defer db.Close() defer db.Close()
// Connect to database // Connect to database
if err := db.Connect(ctx); err != nil { if err := db.Connect(ctx); err != nil {
rateLimiter.RecordFailure(host) rateLimiter.RecordFailure(host)
@@ -367,7 +367,7 @@ func runSampleBackup(ctx context.Context, databaseName string) error {
return fmt.Errorf("failed to connect to database: %w", err) return fmt.Errorf("failed to connect to database: %w", err)
} }
rateLimiter.RecordSuccess(host) rateLimiter.RecordSuccess(host)
// Verify database exists // Verify database exists
exists, err := db.DatabaseExists(ctx, databaseName) exists, err := db.DatabaseExists(ctx, databaseName)
if err != nil { if err != nil {
@@ -379,16 +379,16 @@ func runSampleBackup(ctx context.Context, databaseName string) error {
auditLogger.LogBackupFailed(user, databaseName, err) auditLogger.LogBackupFailed(user, databaseName, err)
return err return err
} }
// Create backup engine // Create backup engine
engine := backup.New(cfg, log, db) engine := backup.New(cfg, log, db)
// Perform sample backup // Perform sample backup
if err := engine.BackupSample(ctx, databaseName); err != nil { if err := engine.BackupSample(ctx, databaseName); err != nil {
auditLogger.LogBackupFailed(user, databaseName, err) auditLogger.LogBackupFailed(user, databaseName, err)
return err return err
} }
// Apply encryption if requested // Apply encryption if requested
if isEncryptionEnabled() { if isEncryptionEnabled() {
if err := encryptLatestBackup(databaseName); err != nil { if err := encryptLatestBackup(databaseName); err != nil {
@@ -397,10 +397,10 @@ func runSampleBackup(ctx context.Context, databaseName string) error {
} }
log.Info("Sample backup encrypted successfully") log.Info("Sample backup encrypted successfully")
} }
// Audit log: backup success // Audit log: backup success
auditLogger.LogBackupComplete(user, databaseName, cfg.BackupDir, 0) auditLogger.LogBackupComplete(user, databaseName, cfg.BackupDir, 0)
// Save configuration for future use (unless disabled) // Save configuration for future use (unless disabled)
if !cfg.NoSaveConfig { if !cfg.NoSaveConfig {
localCfg := config.ConfigFromConfig(cfg) localCfg := config.ConfigFromConfig(cfg)
@@ -411,9 +411,10 @@ func runSampleBackup(ctx context.Context, databaseName string) error {
auditLogger.LogConfigChange(user, "config_file", "", ".dbbackup.conf") auditLogger.LogConfigChange(user, "config_file", "", ".dbbackup.conf")
} }
} }
return nil return nil
} }
// encryptLatestBackup finds and encrypts the most recent backup for a database // encryptLatestBackup finds and encrypts the most recent backup for a database
func encryptLatestBackup(databaseName string) error { func encryptLatestBackup(databaseName string) error {
// Load encryption key // Load encryption key
@@ -452,86 +453,86 @@ func encryptLatestClusterBackup() error {
// findLatestBackup finds the most recently created backup file for a database // findLatestBackup finds the most recently created backup file for a database
func findLatestBackup(backupDir, databaseName string) (string, error) { func findLatestBackup(backupDir, databaseName string) (string, error) {
entries, err := os.ReadDir(backupDir) entries, err := os.ReadDir(backupDir)
if err != nil { if err != nil {
return "", fmt.Errorf("failed to read backup directory: %w", err) return "", fmt.Errorf("failed to read backup directory: %w", err)
} }
var latestPath string var latestPath string
var latestTime time.Time var latestTime time.Time
prefix := "db_" + databaseName + "_" prefix := "db_" + databaseName + "_"
for _, entry := range entries { for _, entry := range entries {
if entry.IsDir() { if entry.IsDir() {
continue continue
} }
name := entry.Name() name := entry.Name()
// Skip metadata files and already encrypted files // Skip metadata files and already encrypted files
if strings.HasSuffix(name, ".meta.json") || strings.HasSuffix(name, ".encrypted") { if strings.HasSuffix(name, ".meta.json") || strings.HasSuffix(name, ".encrypted") {
continue continue
} }
// Match database backup files // Match database backup files
if strings.HasPrefix(name, prefix) && (strings.HasSuffix(name, ".dump") || if strings.HasPrefix(name, prefix) && (strings.HasSuffix(name, ".dump") ||
strings.HasSuffix(name, ".dump.gz") || strings.HasSuffix(name, ".sql.gz")) { strings.HasSuffix(name, ".dump.gz") || strings.HasSuffix(name, ".sql.gz")) {
info, err := entry.Info() info, err := entry.Info()
if err != nil { if err != nil {
continue continue
} }
if info.ModTime().After(latestTime) { if info.ModTime().After(latestTime) {
latestTime = info.ModTime() latestTime = info.ModTime()
latestPath = filepath.Join(backupDir, name) latestPath = filepath.Join(backupDir, name)
} }
} }
} }
if latestPath == "" { if latestPath == "" {
return "", fmt.Errorf("no backup found for database: %s", databaseName) return "", fmt.Errorf("no backup found for database: %s", databaseName)
} }
return latestPath, nil return latestPath, nil
} }
// findLatestClusterBackup finds the most recently created cluster backup // findLatestClusterBackup finds the most recently created cluster backup
func findLatestClusterBackup(backupDir string) (string, error) { func findLatestClusterBackup(backupDir string) (string, error) {
entries, err := os.ReadDir(backupDir) entries, err := os.ReadDir(backupDir)
if err != nil { if err != nil {
return "", fmt.Errorf("failed to read backup directory: %w", err) return "", fmt.Errorf("failed to read backup directory: %w", err)
} }
var latestPath string var latestPath string
var latestTime time.Time var latestTime time.Time
for _, entry := range entries { for _, entry := range entries {
if entry.IsDir() { if entry.IsDir() {
continue continue
} }
name := entry.Name() name := entry.Name()
// Skip metadata files and already encrypted files // Skip metadata files and already encrypted files
if strings.HasSuffix(name, ".meta.json") || strings.HasSuffix(name, ".encrypted") { if strings.HasSuffix(name, ".meta.json") || strings.HasSuffix(name, ".encrypted") {
continue continue
} }
// Match cluster backup files // Match cluster backup files
if strings.HasPrefix(name, "cluster_") && strings.HasSuffix(name, ".tar.gz") { if strings.HasPrefix(name, "cluster_") && strings.HasSuffix(name, ".tar.gz") {
info, err := entry.Info() info, err := entry.Info()
if err != nil { if err != nil {
continue continue
} }
if info.ModTime().After(latestTime) { if info.ModTime().After(latestTime) {
latestTime = info.ModTime() latestTime = info.ModTime()
latestPath = filepath.Join(backupDir, name) latestPath = filepath.Join(backupDir, name)
} }
} }
} }
if latestPath == "" { if latestPath == "" {
return "", fmt.Errorf("no cluster backup found") return "", fmt.Errorf("no cluster backup found")
} }
return latestPath, nil return latestPath, nil
} }

63
cmd/cleanup.go
View File

@@ -11,6 +11,7 @@ import (
"dbbackup/internal/cloud" "dbbackup/internal/cloud"
"dbbackup/internal/metadata" "dbbackup/internal/metadata"
"dbbackup/internal/retention" "dbbackup/internal/retention"
"github.com/spf13/cobra" "github.com/spf13/cobra"
) )
@@ -41,9 +42,9 @@ Examples:
} }
var ( var (
retentionDays int retentionDays int
minBackups int minBackups int
dryRun bool dryRun bool
cleanupPattern string cleanupPattern string
) )
@@ -57,7 +58,7 @@ func init() {
func runCleanup(cmd *cobra.Command, args []string) error { func runCleanup(cmd *cobra.Command, args []string) error {
backupPath := args[0] backupPath := args[0]
// Check if this is a cloud URI // Check if this is a cloud URI
if isCloudURIPath(backupPath) { if isCloudURIPath(backupPath) {
return runCloudCleanup(cmd.Context(), backupPath) return runCloudCleanup(cmd.Context(), backupPath)
@@ -108,7 +109,7 @@ func runCleanup(cmd *cobra.Command, args []string) error {
fmt.Printf("📊 Results:\n") fmt.Printf("📊 Results:\n")
fmt.Printf(" Total backups: %d\n", result.TotalBackups) fmt.Printf(" Total backups: %d\n", result.TotalBackups)
fmt.Printf(" Eligible for deletion: %d\n", result.EligibleForDeletion) fmt.Printf(" Eligible for deletion: %d\n", result.EligibleForDeletion)
if len(result.Deleted) > 0 { if len(result.Deleted) > 0 {
fmt.Printf("\n") fmt.Printf("\n")
if dryRun { if dryRun {
@@ -142,7 +143,7 @@ func runCleanup(cmd *cobra.Command, args []string) error {
} }
fmt.Println(strings.Repeat("─", 50)) fmt.Println(strings.Repeat("─", 50))
if dryRun { if dryRun {
fmt.Println("✅ Dry run completed (no files were deleted)") fmt.Println("✅ Dry run completed (no files were deleted)")
} else if len(result.Deleted) > 0 { } else if len(result.Deleted) > 0 {
@@ -174,7 +175,7 @@ func runCloudCleanup(ctx context.Context, uri string) error {
if err != nil { if err != nil {
return fmt.Errorf("invalid cloud URI: %w", err) return fmt.Errorf("invalid cloud URI: %w", err)
} }
fmt.Printf("☁️ Cloud Cleanup Policy:\n") fmt.Printf("☁️ Cloud Cleanup Policy:\n")
fmt.Printf(" URI: %s\n", uri) fmt.Printf(" URI: %s\n", uri)
fmt.Printf(" Provider: %s\n", cloudURI.Provider) fmt.Printf(" Provider: %s\n", cloudURI.Provider)
@@ -188,27 +189,27 @@ func runCloudCleanup(ctx context.Context, uri string) error {
fmt.Printf(" Mode: DRY RUN (no files will be deleted)\n") fmt.Printf(" Mode: DRY RUN (no files will be deleted)\n")
} }
fmt.Println() fmt.Println()
// Create cloud backend // Create cloud backend
cfg := cloudURI.ToConfig() cfg := cloudURI.ToConfig()
backend, err := cloud.NewBackend(cfg) backend, err := cloud.NewBackend(cfg)
if err != nil { if err != nil {
return fmt.Errorf("failed to create cloud backend: %w", err) return fmt.Errorf("failed to create cloud backend: %w", err)
} }
// List all backups // List all backups
backups, err := backend.List(ctx, cloudURI.Path) backups, err := backend.List(ctx, cloudURI.Path)
if err != nil { if err != nil {
return fmt.Errorf("failed to list cloud backups: %w", err) return fmt.Errorf("failed to list cloud backups: %w", err)
} }
if len(backups) == 0 { if len(backups) == 0 {
fmt.Println("No backups found in cloud storage") fmt.Println("No backups found in cloud storage")
return nil return nil
} }
fmt.Printf("Found %d backup(s) in cloud storage\n\n", len(backups)) fmt.Printf("Found %d backup(s) in cloud storage\n\n", len(backups))
// Filter backups based on pattern if specified // Filter backups based on pattern if specified
var filteredBackups []cloud.BackupInfo var filteredBackups []cloud.BackupInfo
if cleanupPattern != "" { if cleanupPattern != "" {
@@ -222,17 +223,17 @@ func runCloudCleanup(ctx context.Context, uri string) error {
} else { } else {
filteredBackups = backups filteredBackups = backups
} }
// Sort by modification time (oldest first) // Sort by modification time (oldest first)
// Already sorted by backend.List // Already sorted by backend.List
// Calculate retention date // Calculate retention date
cutoffDate := time.Now().AddDate(0, 0, -retentionDays) cutoffDate := time.Now().AddDate(0, 0, -retentionDays)
// Determine which backups to delete // Determine which backups to delete
var toDelete []cloud.BackupInfo var toDelete []cloud.BackupInfo
var toKeep []cloud.BackupInfo var toKeep []cloud.BackupInfo
for _, backup := range filteredBackups { for _, backup := range filteredBackups {
if backup.LastModified.Before(cutoffDate) { if backup.LastModified.Before(cutoffDate) {
toDelete = append(toDelete, backup) toDelete = append(toDelete, backup)
@@ -240,7 +241,7 @@ func runCloudCleanup(ctx context.Context, uri string) error {
toKeep = append(toKeep, backup) toKeep = append(toKeep, backup)
} }
} }
// Ensure we keep minimum backups // Ensure we keep minimum backups
totalBackups := len(filteredBackups) totalBackups := len(filteredBackups)
if totalBackups-len(toDelete) < minBackups { if totalBackups-len(toDelete) < minBackups {
@@ -249,39 +250,39 @@ func runCloudCleanup(ctx context.Context, uri string) error {
if keepCount > len(toDelete) { if keepCount > len(toDelete) {
keepCount = len(toDelete) keepCount = len(toDelete)
} }
// Move oldest from toDelete to toKeep // Move oldest from toDelete to toKeep
for i := len(toDelete) - 1; i >= len(toDelete)-keepCount && i >= 0; i-- { for i := len(toDelete) - 1; i >= len(toDelete)-keepCount && i >= 0; i-- {
toKeep = append(toKeep, toDelete[i]) toKeep = append(toKeep, toDelete[i])
toDelete = toDelete[:i] toDelete = toDelete[:i]
} }
} }
// Display results // Display results
fmt.Printf("📊 Results:\n") fmt.Printf("📊 Results:\n")
fmt.Printf(" Total backups: %d\n", totalBackups) fmt.Printf(" Total backups: %d\n", totalBackups)
fmt.Printf(" Eligible for deletion: %d\n", len(toDelete)) fmt.Printf(" Eligible for deletion: %d\n", len(toDelete))
fmt.Printf(" Will keep: %d\n", len(toKeep)) fmt.Printf(" Will keep: %d\n", len(toKeep))
fmt.Println() fmt.Println()
if len(toDelete) > 0 { if len(toDelete) > 0 {
if dryRun { if dryRun {
fmt.Printf("🔍 Would delete %d backup(s):\n", len(toDelete)) fmt.Printf("🔍 Would delete %d backup(s):\n", len(toDelete))
} else { } else {
fmt.Printf("🗑️ Deleting %d backup(s):\n", len(toDelete)) fmt.Printf("🗑️ Deleting %d backup(s):\n", len(toDelete))
} }
var totalSize int64 var totalSize int64
var deletedCount int var deletedCount int
for _, backup := range toDelete { for _, backup := range toDelete {
fmt.Printf(" - %s (%s, %s old)\n", fmt.Printf(" - %s (%s, %s old)\n",
backup.Name, backup.Name,
cloud.FormatSize(backup.Size), cloud.FormatSize(backup.Size),
formatBackupAge(backup.LastModified)) formatBackupAge(backup.LastModified))
totalSize += backup.Size totalSize += backup.Size
if !dryRun { if !dryRun {
if err := backend.Delete(ctx, backup.Key); err != nil { if err := backend.Delete(ctx, backup.Key); err != nil {
fmt.Printf(" ❌ Error: %v\n", err) fmt.Printf(" ❌ Error: %v\n", err)
@@ -292,18 +293,18 @@ func runCloudCleanup(ctx context.Context, uri string) error {
} }
} }
} }
fmt.Printf("\n💾 Space %s: %s\n", fmt.Printf("\n💾 Space %s: %s\n",
map[bool]string{true: "would be freed", false: "freed"}[dryRun], map[bool]string{true: "would be freed", false: "freed"}[dryRun],
cloud.FormatSize(totalSize)) cloud.FormatSize(totalSize))
if !dryRun && deletedCount > 0 { if !dryRun && deletedCount > 0 {
fmt.Printf("✅ Successfully deleted %d backup(s)\n", deletedCount) fmt.Printf("✅ Successfully deleted %d backup(s)\n", deletedCount)
} }
} else { } else {
fmt.Println("No backups eligible for deletion") fmt.Println("No backups eligible for deletion")
} }
return nil return nil
} }
@@ -311,7 +312,7 @@ func runCloudCleanup(ctx context.Context, uri string) error {
func formatBackupAge(t time.Time) string { func formatBackupAge(t time.Time) string {
d := time.Since(t) d := time.Since(t)
days := int(d.Hours() / 24) days := int(d.Hours() / 24)
if days == 0 { if days == 0 {
return "today" return "today"
} else if days == 1 { } else if days == 1 {

19
cmd/cloud.go
View File

@@ -9,6 +9,7 @@ import (
"time" "time"
"dbbackup/internal/cloud" "dbbackup/internal/cloud"
"github.com/spf13/cobra" "github.com/spf13/cobra"
) )
@@ -203,9 +204,9 @@ func runCloudUpload(cmd *cobra.Command, args []string) error {
} }
percent := int(float64(transferred) / float64(total) * 100) percent := int(float64(transferred) / float64(total) * 100)
if percent != lastPercent && percent%10 == 0 { if percent != lastPercent && percent%10 == 0 {
fmt.Printf(" Progress: %d%% (%s / %s)\n", fmt.Printf(" Progress: %d%% (%s / %s)\n",
percent, percent,
cloud.FormatSize(transferred), cloud.FormatSize(transferred),
cloud.FormatSize(total)) cloud.FormatSize(total))
lastPercent = percent lastPercent = percent
} }
@@ -258,9 +259,9 @@ func runCloudDownload(cmd *cobra.Command, args []string) error {
} }
percent := int(float64(transferred) / float64(total) * 100) percent := int(float64(transferred) / float64(total) * 100)
if percent != lastPercent && percent%10 == 0 { if percent != lastPercent && percent%10 == 0 {
fmt.Printf(" Progress: %d%% (%s / %s)\n", fmt.Printf(" Progress: %d%% (%s / %s)\n",
percent, percent,
cloud.FormatSize(transferred), cloud.FormatSize(transferred),
cloud.FormatSize(total)) cloud.FormatSize(total))
lastPercent = percent lastPercent = percent
} }
@@ -308,7 +309,7 @@ func runCloudList(cmd *cobra.Command, args []string) error {
var totalSize int64 var totalSize int64
for _, backup := range backups { for _, backup := range backups {
totalSize += backup.Size totalSize += backup.Size
if cloudVerbose { if cloudVerbose {
fmt.Printf("📦 %s\n", backup.Name) fmt.Printf("📦 %s\n", backup.Name)
fmt.Printf(" Size: %s\n", cloud.FormatSize(backup.Size)) fmt.Printf(" Size: %s\n", cloud.FormatSize(backup.Size))
@@ -320,8 +321,8 @@ func runCloudList(cmd *cobra.Command, args []string) error {
} else { } else {
age := time.Since(backup.LastModified) age := time.Since(backup.LastModified)
ageStr := formatAge(age) ageStr := formatAge(age)
fmt.Printf("%-50s %12s %s\n", fmt.Printf("%-50s %12s %s\n",
backup.Name, backup.Name,
cloud.FormatSize(backup.Size), cloud.FormatSize(backup.Size),
ageStr) ageStr)
} }

16
cmd/cpu.go
View File

@@ -18,30 +18,30 @@ var cpuCmd = &cobra.Command{
func runCPUInfo(ctx context.Context) error { func runCPUInfo(ctx context.Context) error {
log.Info("Detecting CPU information...") log.Info("Detecting CPU information...")
// Optimize CPU settings if auto-detect is enabled // Optimize CPU settings if auto-detect is enabled
if cfg.AutoDetectCores { if cfg.AutoDetectCores {
if err := cfg.OptimizeForCPU(); err != nil { if err := cfg.OptimizeForCPU(); err != nil {
log.Warn("CPU optimization failed", "error", err) log.Warn("CPU optimization failed", "error", err)
} }
} }
// Get CPU information // Get CPU information
cpuInfo, err := cfg.GetCPUInfo() cpuInfo, err := cfg.GetCPUInfo()
if err != nil { if err != nil {
return fmt.Errorf("failed to detect CPU: %w", err) return fmt.Errorf("failed to detect CPU: %w", err)
} }
fmt.Println("=== CPU Information ===") fmt.Println("=== CPU Information ===")
fmt.Print(cpuInfo.FormatCPUInfo()) fmt.Print(cpuInfo.FormatCPUInfo())
fmt.Println("\n=== Current Configuration ===") fmt.Println("\n=== Current Configuration ===")
fmt.Printf("Auto-detect cores: %t\n", cfg.AutoDetectCores) fmt.Printf("Auto-detect cores: %t\n", cfg.AutoDetectCores)
fmt.Printf("CPU workload type: %s\n", cfg.CPUWorkloadType) fmt.Printf("CPU workload type: %s\n", cfg.CPUWorkloadType)
fmt.Printf("Parallel jobs (restore): %d\n", cfg.Jobs) fmt.Printf("Parallel jobs (restore): %d\n", cfg.Jobs)
fmt.Printf("Dump jobs (backup): %d\n", cfg.DumpJobs) fmt.Printf("Dump jobs (backup): %d\n", cfg.DumpJobs)
fmt.Printf("Maximum cores limit: %d\n", cfg.MaxCores) fmt.Printf("Maximum cores limit: %d\n", cfg.MaxCores)
// Show optimization recommendations // Show optimization recommendations
fmt.Println("\n=== Optimization Recommendations ===") fmt.Println("\n=== Optimization Recommendations ===")
if cpuInfo.PhysicalCores > 1 { if cpuInfo.PhysicalCores > 1 {
@@ -58,7 +58,7 @@ func runCPUInfo(ctx context.Context) error {
fmt.Printf("Recommended jobs (CPU intensive): %d\n", optimal) fmt.Printf("Recommended jobs (CPU intensive): %d\n", optimal)
} }
} }
// Show current vs optimal // Show current vs optimal
if cfg.AutoDetectCores { if cfg.AutoDetectCores {
fmt.Println("\n✅ CPU optimization is enabled") fmt.Println("\n✅ CPU optimization is enabled")
@@ -67,10 +67,10 @@ func runCPUInfo(ctx context.Context) error {
fmt.Println("\n⚠️ CPU optimization is disabled") fmt.Println("\n⚠️ CPU optimization is disabled")
fmt.Println("Consider enabling --auto-detect-cores for better performance") fmt.Println("Consider enabling --auto-detect-cores for better performance")
} }
return nil return nil
} }
func init() { func init() {
rootCmd.AddCommand(cpuCmd) rootCmd.AddCommand(cpuCmd)
} }

14
cmd/encryption.go
View File

@@ -17,17 +17,17 @@ func loadEncryptionKey(keyFile, keyEnvVar string) ([]byte, error) {
if err != nil { if err != nil {
return nil, fmt.Errorf("failed to read encryption key file: %w", err) return nil, fmt.Errorf("failed to read encryption key file: %w", err)
} }
// Try to decode as base64 first // Try to decode as base64 first
if decoded, err := base64.StdEncoding.DecodeString(strings.TrimSpace(string(keyData))); err == nil && len(decoded) == crypto.KeySize { if decoded, err := base64.StdEncoding.DecodeString(strings.TrimSpace(string(keyData))); err == nil && len(decoded) == crypto.KeySize {
return decoded, nil return decoded, nil
} }
// Use raw bytes if exactly 32 bytes // Use raw bytes if exactly 32 bytes
if len(keyData) == crypto.KeySize { if len(keyData) == crypto.KeySize {
return keyData, nil return keyData, nil
} }
// Otherwise treat as passphrase and derive key // Otherwise treat as passphrase and derive key
salt, err := crypto.GenerateSalt() salt, err := crypto.GenerateSalt()
if err != nil { if err != nil {
@@ -36,19 +36,19 @@ func loadEncryptionKey(keyFile, keyEnvVar string) ([]byte, error) {
key := crypto.DeriveKey([]byte(strings.TrimSpace(string(keyData))), salt) key := crypto.DeriveKey([]byte(strings.TrimSpace(string(keyData))), salt)
return key, nil return key, nil
} }
// Priority 2: Environment variable // Priority 2: Environment variable
if keyEnvVar != "" { if keyEnvVar != "" {
keyData := os.Getenv(keyEnvVar) keyData := os.Getenv(keyEnvVar)
if keyData == "" { if keyData == "" {
return nil, fmt.Errorf("encryption enabled but %s environment variable not set", keyEnvVar) return nil, fmt.Errorf("encryption enabled but %s environment variable not set", keyEnvVar)
} }
// Try to decode as base64 first // Try to decode as base64 first
if decoded, err := base64.StdEncoding.DecodeString(strings.TrimSpace(keyData)); err == nil && len(decoded) == crypto.KeySize { if decoded, err := base64.StdEncoding.DecodeString(strings.TrimSpace(keyData)); err == nil && len(decoded) == crypto.KeySize {
return decoded, nil return decoded, nil
} }
// Otherwise treat as passphrase and derive key // Otherwise treat as passphrase and derive key
salt, err := crypto.GenerateSalt() salt, err := crypto.GenerateSalt()
if err != nil { if err != nil {
@@ -57,7 +57,7 @@ func loadEncryptionKey(keyFile, keyEnvVar string) ([]byte, error) {
key := crypto.DeriveKey([]byte(strings.TrimSpace(keyData)), salt) key := crypto.DeriveKey([]byte(strings.TrimSpace(keyData)), salt)
return key, nil return key, nil
} }
return nil, fmt.Errorf("encryption enabled but no key source specified (use --encryption-key-file or set %s)", keyEnvVar) return nil, fmt.Errorf("encryption enabled but no key source specified (use --encryption-key-file or set %s)", keyEnvVar)
} }

4
cmd/pitr.go
View File

@@ -298,7 +298,7 @@ func runPITRStatus(cmd *cobra.Command, args []string) error {
fmt.Printf("WAL Level: %s\n", config.WALLevel) fmt.Printf("WAL Level: %s\n", config.WALLevel)
fmt.Printf("Archive Mode: %s\n", config.ArchiveMode) fmt.Printf("Archive Mode: %s\n", config.ArchiveMode)
fmt.Printf("Archive Command: %s\n", config.ArchiveCommand) fmt.Printf("Archive Command: %s\n", config.ArchiveCommand)
if config.MaxWALSenders > 0 { if config.MaxWALSenders > 0 {
fmt.Printf("Max WAL Senders: %d\n", config.MaxWALSenders) fmt.Printf("Max WAL Senders: %d\n", config.MaxWALSenders)
} }
@@ -386,7 +386,7 @@ func runWALList(cmd *cobra.Command, args []string) error {
for _, archive := range archives { for _, archive := range archives {
size := formatWALSize(archive.ArchivedSize) size := formatWALSize(archive.ArchivedSize)
timeStr := archive.ArchivedAt.Format("2006-01-02 15:04") timeStr := archive.ArchivedAt.Format("2006-01-02 15:04")
flags := "" flags := ""
if archive.Compressed { if archive.Compressed {
flags += "C" flags += "C"

17
cmd/placeholder.go
View File

@@ -14,6 +14,7 @@ import (
"dbbackup/internal/auth" "dbbackup/internal/auth"
"dbbackup/internal/logger" "dbbackup/internal/logger"
"dbbackup/internal/tui" "dbbackup/internal/tui"
"github.com/spf13/cobra" "github.com/spf13/cobra"
) )
@@ -42,9 +43,9 @@ var listCmd = &cobra.Command{
} }
var interactiveCmd = &cobra.Command{ var interactiveCmd = &cobra.Command{
Use: "interactive", Use: "interactive",
Short: "Start interactive menu mode", Short: "Start interactive menu mode",
Long: `Start the interactive menu system for guided backup operations. Long: `Start the interactive menu system for guided backup operations.
TUI Automation Flags (for testing and CI/CD): TUI Automation Flags (for testing and CI/CD):
--auto-select <index> Automatically select menu option (0-13) --auto-select <index> Automatically select menu option (0-13)
@@ -64,7 +65,7 @@ TUI Automation Flags (for testing and CI/CD):
cfg.TUIDryRun, _ = cmd.Flags().GetBool("dry-run") cfg.TUIDryRun, _ = cmd.Flags().GetBool("dry-run")
cfg.TUIVerbose, _ = cmd.Flags().GetBool("verbose-tui") cfg.TUIVerbose, _ = cmd.Flags().GetBool("verbose-tui")
cfg.TUILogFile, _ = cmd.Flags().GetString("tui-log-file") cfg.TUILogFile, _ = cmd.Flags().GetString("tui-log-file")
// Check authentication before starting TUI // Check authentication before starting TUI
if cfg.IsPostgreSQL() { if cfg.IsPostgreSQL() {
if mismatch, msg := auth.CheckAuthenticationMismatch(cfg); mismatch { if mismatch, msg := auth.CheckAuthenticationMismatch(cfg); mismatch {
@@ -72,7 +73,7 @@ TUI Automation Flags (for testing and CI/CD):
return fmt.Errorf("authentication configuration required") return fmt.Errorf("authentication configuration required")
} }
} }
// Use verbose logger if TUI verbose mode enabled // Use verbose logger if TUI verbose mode enabled
var interactiveLog logger.Logger var interactiveLog logger.Logger
if cfg.TUIVerbose { if cfg.TUIVerbose {
@@ -80,7 +81,7 @@ TUI Automation Flags (for testing and CI/CD):
} else { } else {
interactiveLog = logger.NewSilent() interactiveLog = logger.NewSilent()
} }
// Start the interactive TUI // Start the interactive TUI
return tui.RunInteractiveMenu(cfg, interactiveLog) return tui.RunInteractiveMenu(cfg, interactiveLog)
}, },
@@ -768,12 +769,12 @@ func containsSQLKeywords(content string) bool {
func mysqlRestoreCommand(archivePath string, compressed bool) string { func mysqlRestoreCommand(archivePath string, compressed bool) string {
parts := []string{"mysql"} parts := []string{"mysql"}
// Only add -h flag if host is not localhost (to use Unix socket) // Only add -h flag if host is not localhost (to use Unix socket)
if cfg.Host != "localhost" && cfg.Host != "127.0.0.1" && cfg.Host != "" { if cfg.Host != "localhost" && cfg.Host != "127.0.0.1" && cfg.Host != "" {
parts = append(parts, "-h", cfg.Host) parts = append(parts, "-h", cfg.Host)
} }
parts = append(parts, parts = append(parts,
"-P", fmt.Sprintf("%d", cfg.Port), "-P", fmt.Sprintf("%d", cfg.Port),
"-u", cfg.User, "-u", cfg.User,

58
cmd/restore.go
View File

@@ -22,22 +22,22 @@ import (
) )
var ( var (
restoreConfirm bool restoreConfirm bool
restoreDryRun bool restoreDryRun bool
restoreForce bool restoreForce bool
restoreClean bool restoreClean bool
restoreCreate bool restoreCreate bool
restoreJobs int restoreJobs int
restoreTarget string restoreTarget string
restoreVerbose bool restoreVerbose bool
restoreNoProgress bool restoreNoProgress bool
restoreWorkdir string restoreWorkdir string
restoreCleanCluster bool restoreCleanCluster bool
// Encryption flags // Encryption flags
restoreEncryptionKeyFile string restoreEncryptionKeyFile string
restoreEncryptionKeyEnv string = "DBBACKUP_ENCRYPTION_KEY" restoreEncryptionKeyEnv string = "DBBACKUP_ENCRYPTION_KEY"
// PITR restore flags (additional to pitr.go) // PITR restore flags (additional to pitr.go)
pitrBaseBackup string pitrBaseBackup string
pitrWALArchive string pitrWALArchive string
@@ -244,7 +244,7 @@ func init() {
restoreClusterCmd.Flags().BoolVar(&restoreNoProgress, "no-progress", false, "Disable progress indicators") restoreClusterCmd.Flags().BoolVar(&restoreNoProgress, "no-progress", false, "Disable progress indicators")
restoreClusterCmd.Flags().StringVar(&restoreEncryptionKeyFile, "encryption-key-file", "", "Path to encryption key file (required for encrypted backups)") restoreClusterCmd.Flags().StringVar(&restoreEncryptionKeyFile, "encryption-key-file", "", "Path to encryption key file (required for encrypted backups)")
restoreClusterCmd.Flags().StringVar(&restoreEncryptionKeyEnv, "encryption-key-env", "DBBACKUP_ENCRYPTION_KEY", "Environment variable containing encryption key") restoreClusterCmd.Flags().StringVar(&restoreEncryptionKeyEnv, "encryption-key-env", "DBBACKUP_ENCRYPTION_KEY", "Environment variable containing encryption key")
// PITR restore flags // PITR restore flags
restorePITRCmd.Flags().StringVar(&pitrBaseBackup, "base-backup", "", "Path to base backup file (.tar.gz) (required)") restorePITRCmd.Flags().StringVar(&pitrBaseBackup, "base-backup", "", "Path to base backup file (.tar.gz) (required)")
restorePITRCmd.Flags().StringVar(&pitrWALArchive, "wal-archive", "", "Path to WAL archive directory (required)") restorePITRCmd.Flags().StringVar(&pitrWALArchive, "wal-archive", "", "Path to WAL archive directory (required)")
@@ -260,7 +260,7 @@ func init() {
restorePITRCmd.Flags().BoolVar(&pitrSkipExtract, "skip-extraction", false, "Skip base backup extraction (data dir exists)") restorePITRCmd.Flags().BoolVar(&pitrSkipExtract, "skip-extraction", false, "Skip base backup extraction (data dir exists)")
restorePITRCmd.Flags().BoolVar(&pitrAutoStart, "auto-start", false, "Automatically start PostgreSQL after setup") restorePITRCmd.Flags().BoolVar(&pitrAutoStart, "auto-start", false, "Automatically start PostgreSQL after setup")
restorePITRCmd.Flags().BoolVar(&pitrMonitor, "monitor", false, "Monitor recovery progress (requires --auto-start)") restorePITRCmd.Flags().BoolVar(&pitrMonitor, "monitor", false, "Monitor recovery progress (requires --auto-start)")
restorePITRCmd.MarkFlagRequired("base-backup") restorePITRCmd.MarkFlagRequired("base-backup")
restorePITRCmd.MarkFlagRequired("wal-archive") restorePITRCmd.MarkFlagRequired("wal-archive")
restorePITRCmd.MarkFlagRequired("target-dir") restorePITRCmd.MarkFlagRequired("target-dir")
@@ -269,13 +269,13 @@ func init() {
// runRestoreSingle restores a single database // runRestoreSingle restores a single database
func runRestoreSingle(cmd *cobra.Command, args []string) error { func runRestoreSingle(cmd *cobra.Command, args []string) error {
archivePath := args[0] archivePath := args[0]
// Check if this is a cloud URI // Check if this is a cloud URI
var cleanupFunc func() error var cleanupFunc func() error
if cloud.IsCloudURI(archivePath) { if cloud.IsCloudURI(archivePath) {
log.Info("Detected cloud URI, downloading backup...", "uri", archivePath) log.Info("Detected cloud URI, downloading backup...", "uri", archivePath)
// Download from cloud // Download from cloud
result, err := restore.DownloadFromCloudURI(cmd.Context(), archivePath, restore.DownloadOptions{ result, err := restore.DownloadFromCloudURI(cmd.Context(), archivePath, restore.DownloadOptions{
VerifyChecksum: true, VerifyChecksum: true,
@@ -284,10 +284,10 @@ func runRestoreSingle(cmd *cobra.Command, args []string) error {
if err != nil { if err != nil {
return fmt.Errorf("failed to download from cloud: %w", err) return fmt.Errorf("failed to download from cloud: %w", err)
} }
archivePath = result.LocalPath archivePath = result.LocalPath
cleanupFunc = result.Cleanup cleanupFunc = result.Cleanup
// Ensure cleanup happens on exit // Ensure cleanup happens on exit
defer func() { defer func() {
if cleanupFunc != nil { if cleanupFunc != nil {
@@ -296,7 +296,7 @@ func runRestoreSingle(cmd *cobra.Command, args []string) error {
} }
} }
}() }()
log.Info("Download completed", "local_path", archivePath) log.Info("Download completed", "local_path", archivePath)
} else { } else {
// Convert to absolute path for local files // Convert to absolute path for local files
@@ -409,7 +409,7 @@ func runRestoreSingle(cmd *cobra.Command, args []string) error {
sigChan := make(chan os.Signal, 1) sigChan := make(chan os.Signal, 1)
signal.Notify(sigChan, os.Interrupt, syscall.SIGTERM) signal.Notify(sigChan, os.Interrupt, syscall.SIGTERM)
defer signal.Stop(sigChan) // Ensure signal cleanup on exit defer signal.Stop(sigChan) // Ensure signal cleanup on exit
go func() { go func() {
<-sigChan <-sigChan
log.Warn("Restore interrupted by user") log.Warn("Restore interrupted by user")
@@ -418,7 +418,7 @@ func runRestoreSingle(cmd *cobra.Command, args []string) error {
// Execute restore // Execute restore
log.Info("Starting restore...", "database", targetDB) log.Info("Starting restore...", "database", targetDB)
// Audit log: restore start // Audit log: restore start
user := security.GetCurrentUser() user := security.GetCurrentUser()
startTime := time.Now() startTime := time.Now()
@@ -428,7 +428,7 @@ func runRestoreSingle(cmd *cobra.Command, args []string) error {
auditLogger.LogRestoreFailed(user, targetDB, err) auditLogger.LogRestoreFailed(user, targetDB, err)
return fmt.Errorf("restore failed: %w", err) return fmt.Errorf("restore failed: %w", err)
} }
// Audit log: restore success // Audit log: restore success
auditLogger.LogRestoreComplete(user, targetDB, time.Since(startTime)) auditLogger.LogRestoreComplete(user, targetDB, time.Since(startTime))
@@ -491,7 +491,7 @@ func runRestoreCluster(cmd *cobra.Command, args []string) error {
checkDir := cfg.BackupDir checkDir := cfg.BackupDir
if restoreWorkdir != "" { if restoreWorkdir != "" {
checkDir = restoreWorkdir checkDir = restoreWorkdir
// Verify workdir exists or create it // Verify workdir exists or create it
if _, err := os.Stat(restoreWorkdir); os.IsNotExist(err) { if _, err := os.Stat(restoreWorkdir); os.IsNotExist(err) {
log.Warn("Working directory does not exist, will be created", "path", restoreWorkdir) log.Warn("Working directory does not exist, will be created", "path", restoreWorkdir)
@@ -499,7 +499,7 @@ func runRestoreCluster(cmd *cobra.Command, args []string) error {
return fmt.Errorf("cannot create working directory: %w", err) return fmt.Errorf("cannot create working directory: %w", err)
} }
} }
log.Warn("⚠️ Using alternative working directory for extraction") log.Warn("⚠️ Using alternative working directory for extraction")
log.Warn(" This is recommended when system disk space is limited") log.Warn(" This is recommended when system disk space is limited")
log.Warn(" Location: " + restoreWorkdir) log.Warn(" Location: " + restoreWorkdir)
@@ -515,7 +515,7 @@ func runRestoreCluster(cmd *cobra.Command, args []string) error {
if err := safety.VerifyTools("postgres"); err != nil { if err := safety.VerifyTools("postgres"); err != nil {
return fmt.Errorf("tool verification failed: %w", err) return fmt.Errorf("tool verification failed: %w", err)
} }
} // Create database instance for pre-checks } // Create database instance for pre-checks
db, err := database.New(cfg, log) db, err := database.New(cfg, log)
if err != nil { if err != nil {
return fmt.Errorf("failed to create database instance: %w", err) return fmt.Errorf("failed to create database instance: %w", err)
@@ -592,7 +592,7 @@ func runRestoreCluster(cmd *cobra.Command, args []string) error {
sigChan := make(chan os.Signal, 1) sigChan := make(chan os.Signal, 1)
signal.Notify(sigChan, os.Interrupt, syscall.SIGTERM) signal.Notify(sigChan, os.Interrupt, syscall.SIGTERM)
defer signal.Stop(sigChan) // Ensure signal cleanup on exit defer signal.Stop(sigChan) // Ensure signal cleanup on exit
go func() { go func() {
<-sigChan <-sigChan
log.Warn("Restore interrupted by user") log.Warn("Restore interrupted by user")
@@ -622,7 +622,7 @@ func runRestoreCluster(cmd *cobra.Command, args []string) error {
// Execute cluster restore // Execute cluster restore
log.Info("Starting cluster restore...") log.Info("Starting cluster restore...")
// Audit log: restore start // Audit log: restore start
user := security.GetCurrentUser() user := security.GetCurrentUser()
startTime := time.Now() startTime := time.Now()
@@ -632,7 +632,7 @@ func runRestoreCluster(cmd *cobra.Command, args []string) error {
auditLogger.LogRestoreFailed(user, "all_databases", err) auditLogger.LogRestoreFailed(user, "all_databases", err)
return fmt.Errorf("cluster restore failed: %w", err) return fmt.Errorf("cluster restore failed: %w", err)
} }
// Audit log: restore success // Audit log: restore success
auditLogger.LogRestoreComplete(user, "all_databases", time.Since(startTime)) auditLogger.LogRestoreComplete(user, "all_databases", time.Since(startTime))

17
cmd/root.go
View File

@@ -7,6 +7,7 @@ import (
"dbbackup/internal/config" "dbbackup/internal/config"
"dbbackup/internal/logger" "dbbackup/internal/logger"
"dbbackup/internal/security" "dbbackup/internal/security"
"github.com/spf13/cobra" "github.com/spf13/cobra"
"github.com/spf13/pflag" "github.com/spf13/pflag"
) )
@@ -42,13 +43,13 @@ For help with specific commands, use: dbbackup [command] --help`,
if cfg == nil { if cfg == nil {
return nil return nil
} }
// Store which flags were explicitly set by user // Store which flags were explicitly set by user
flagsSet := make(map[string]bool) flagsSet := make(map[string]bool)
cmd.Flags().Visit(func(f *pflag.Flag) { cmd.Flags().Visit(func(f *pflag.Flag) {
flagsSet[f.Name] = true flagsSet[f.Name] = true
}) })
// Load local config if not disabled // Load local config if not disabled
if !cfg.NoLoadConfig { if !cfg.NoLoadConfig {
if localCfg, err := config.LoadLocalConfig(); err != nil { if localCfg, err := config.LoadLocalConfig(); err != nil {
@@ -65,11 +66,11 @@ For help with specific commands, use: dbbackup [command] --help`,
savedDumpJobs := cfg.DumpJobs savedDumpJobs := cfg.DumpJobs
savedRetentionDays := cfg.RetentionDays savedRetentionDays := cfg.RetentionDays
savedMinBackups := cfg.MinBackups savedMinBackups := cfg.MinBackups
// Apply config from file // Apply config from file
config.ApplyLocalConfig(cfg, localCfg) config.ApplyLocalConfig(cfg, localCfg)
log.Info("Loaded configuration from .dbbackup.conf") log.Info("Loaded configuration from .dbbackup.conf")
// Restore explicitly set flag values (flags have priority) // Restore explicitly set flag values (flags have priority)
if flagsSet["backup-dir"] { if flagsSet["backup-dir"] {
cfg.BackupDir = savedBackupDir cfg.BackupDir = savedBackupDir
@@ -103,7 +104,7 @@ For help with specific commands, use: dbbackup [command] --help`,
} }
} }
} }
return cfg.SetDatabaseType(cfg.DatabaseType) return cfg.SetDatabaseType(cfg.DatabaseType)
}, },
} }
@@ -112,10 +113,10 @@ For help with specific commands, use: dbbackup [command] --help`,
func Execute(ctx context.Context, config *config.Config, logger logger.Logger) error { func Execute(ctx context.Context, config *config.Config, logger logger.Logger) error {
cfg = config cfg = config
log = logger log = logger
// Initialize audit logger // Initialize audit logger
auditLogger = security.NewAuditLogger(logger, true) auditLogger = security.NewAuditLogger(logger, true)
// Initialize rate limiter // Initialize rate limiter
rateLimiter = security.NewRateLimiter(config.MaxRetries, logger) rateLimiter = security.NewRateLimiter(config.MaxRetries, logger)
@@ -143,7 +144,7 @@ func Execute(ctx context.Context, config *config.Config, logger logger.Logger) e
rootCmd.PersistentFlags().IntVar(&cfg.CompressionLevel, "compression", cfg.CompressionLevel, "Compression level (0-9)") rootCmd.PersistentFlags().IntVar(&cfg.CompressionLevel, "compression", cfg.CompressionLevel, "Compression level (0-9)")
rootCmd.PersistentFlags().BoolVar(&cfg.NoSaveConfig, "no-save-config", false, "Don't save configuration after successful operations") rootCmd.PersistentFlags().BoolVar(&cfg.NoSaveConfig, "no-save-config", false, "Don't save configuration after successful operations")
rootCmd.PersistentFlags().BoolVar(&cfg.NoLoadConfig, "no-config", false, "Don't load configuration from .dbbackup.conf") rootCmd.PersistentFlags().BoolVar(&cfg.NoLoadConfig, "no-config", false, "Don't load configuration from .dbbackup.conf")
// Security flags (MEDIUM priority) // Security flags (MEDIUM priority)
rootCmd.PersistentFlags().IntVar(&cfg.RetentionDays, "retention-days", cfg.RetentionDays, "Backup retention period in days (0=disabled)") rootCmd.PersistentFlags().IntVar(&cfg.RetentionDays, "retention-days", cfg.RetentionDays, "Backup retention period in days (0=disabled)")
rootCmd.PersistentFlags().IntVar(&cfg.MinBackups, "min-backups", cfg.MinBackups, "Minimum number of backups to keep") rootCmd.PersistentFlags().IntVar(&cfg.MinBackups, "min-backups", cfg.MinBackups, "Minimum number of backups to keep")

46
cmd/status.go
View File

@@ -14,18 +14,18 @@ import (
func runStatus(ctx context.Context) error { func runStatus(ctx context.Context) error {
// Update config from environment // Update config from environment
cfg.UpdateFromEnvironment() cfg.UpdateFromEnvironment()
// Validate configuration // Validate configuration
if err := cfg.Validate(); err != nil { if err := cfg.Validate(); err != nil {
return fmt.Errorf("configuration error: %w", err) return fmt.Errorf("configuration error: %w", err)
} }
// Display header // Display header
displayHeader() displayHeader()
// Display configuration // Display configuration
displayConfiguration() displayConfiguration()
// Test database connection // Test database connection
return testConnection(ctx) return testConnection(ctx)
} }
@@ -41,7 +41,7 @@ func displayHeader() {
fmt.Println("\033[1;37m Database Backup & Recovery Tool\033[0m") fmt.Println("\033[1;37m Database Backup & Recovery Tool\033[0m")
fmt.Println("\033[1;34m==============================================================\033[0m") fmt.Println("\033[1;34m==============================================================\033[0m")
} }
fmt.Printf("Version: %s (built: %s, commit: %s)\n", cfg.Version, cfg.BuildTime, cfg.GitCommit) fmt.Printf("Version: %s (built: %s, commit: %s)\n", cfg.Version, cfg.BuildTime, cfg.GitCommit)
fmt.Println() fmt.Println()
} }
@@ -53,32 +53,32 @@ func displayConfiguration() {
fmt.Printf(" Host: %s:%d\n", cfg.Host, cfg.Port) fmt.Printf(" Host: %s:%d\n", cfg.Host, cfg.Port)
fmt.Printf(" User: %s\n", cfg.User) fmt.Printf(" User: %s\n", cfg.User)
fmt.Printf(" Database: %s\n", cfg.Database) fmt.Printf(" Database: %s\n", cfg.Database)
if cfg.Password != "" { if cfg.Password != "" {
fmt.Printf(" Password: ****** (set)\n") fmt.Printf(" Password: ****** (set)\n")
} else { } else {
fmt.Printf(" Password: (not set)\n") fmt.Printf(" Password: (not set)\n")
} }
fmt.Printf(" SSL Mode: %s\n", cfg.SSLMode) fmt.Printf(" SSL Mode: %s\n", cfg.SSLMode)
if cfg.Insecure { if cfg.Insecure {
fmt.Printf(" SSL: disabled\n") fmt.Printf(" SSL: disabled\n")
} }
fmt.Printf(" Backup Dir: %s\n", cfg.BackupDir) fmt.Printf(" Backup Dir: %s\n", cfg.BackupDir)
fmt.Printf(" Compression: %d\n", cfg.CompressionLevel) fmt.Printf(" Compression: %d\n", cfg.CompressionLevel)
fmt.Printf(" Jobs: %d\n", cfg.Jobs) fmt.Printf(" Jobs: %d\n", cfg.Jobs)
fmt.Printf(" Dump Jobs: %d\n", cfg.DumpJobs) fmt.Printf(" Dump Jobs: %d\n", cfg.DumpJobs)
fmt.Printf(" Max Cores: %d\n", cfg.MaxCores) fmt.Printf(" Max Cores: %d\n", cfg.MaxCores)
fmt.Printf(" Auto Detect: %v\n", cfg.AutoDetectCores) fmt.Printf(" Auto Detect: %v\n", cfg.AutoDetectCores)
// System information // System information
fmt.Println() fmt.Println()
fmt.Println("System Information:") fmt.Println("System Information:")
fmt.Printf(" OS: %s/%s\n", runtime.GOOS, runtime.GOARCH) fmt.Printf(" OS: %s/%s\n", runtime.GOOS, runtime.GOARCH)
fmt.Printf(" CPU Cores: %d\n", runtime.NumCPU()) fmt.Printf(" CPU Cores: %d\n", runtime.NumCPU())
fmt.Printf(" Go Version: %s\n", runtime.Version()) fmt.Printf(" Go Version: %s\n", runtime.Version())
// Check if backup directory exists // Check if backup directory exists
if info, err := os.Stat(cfg.BackupDir); err != nil { if info, err := os.Stat(cfg.BackupDir); err != nil {
fmt.Printf(" Backup Dir: %s (does not exist - will be created)\n", cfg.BackupDir) fmt.Printf(" Backup Dir: %s (does not exist - will be created)\n", cfg.BackupDir)
@@ -87,7 +87,7 @@ func displayConfiguration() {
} else { } else {
fmt.Printf(" Backup Dir: %s (exists but not a directory!)\n", cfg.BackupDir) fmt.Printf(" Backup Dir: %s (exists but not a directory!)\n", cfg.BackupDir)
} }
fmt.Println() fmt.Println()
} }
@@ -95,7 +95,7 @@ func displayConfiguration() {
func testConnection(ctx context.Context) error { func testConnection(ctx context.Context) error {
// Create progress indicator // Create progress indicator
indicator := progress.NewIndicator(true, "spinner") indicator := progress.NewIndicator(true, "spinner")
// Create database instance // Create database instance
db, err := database.New(cfg, log) db, err := database.New(cfg, log)
if err != nil { if err != nil {
@@ -103,7 +103,7 @@ func testConnection(ctx context.Context) error {
return err return err
} }
defer db.Close() defer db.Close()
// Test tool availability // Test tool availability
indicator.Start("Checking required tools...") indicator.Start("Checking required tools...")
if err := db.ValidateBackupTools(); err != nil { if err := db.ValidateBackupTools(); err != nil {
@@ -111,7 +111,7 @@ func testConnection(ctx context.Context) error {
return err return err
} }
indicator.Complete("Required tools available") indicator.Complete("Required tools available")
// Test connection // Test connection
indicator.Start(fmt.Sprintf("Connecting to %s...", cfg.DatabaseType)) indicator.Start(fmt.Sprintf("Connecting to %s...", cfg.DatabaseType))
if err := db.Connect(ctx); err != nil { if err := db.Connect(ctx); err != nil {
@@ -119,32 +119,32 @@ func testConnection(ctx context.Context) error {
return err return err
} }
indicator.Complete("Connected successfully") indicator.Complete("Connected successfully")
// Test basic operations // Test basic operations
indicator.Start("Testing database operations...") indicator.Start("Testing database operations...")
// Get version // Get version
version, err := db.GetVersion(ctx) version, err := db.GetVersion(ctx)
if err != nil { if err != nil {
indicator.Fail(fmt.Sprintf("Failed to get database version: %v", err)) indicator.Fail(fmt.Sprintf("Failed to get database version: %v", err))
return err return err
} }
// List databases // List databases
databases, err := db.ListDatabases(ctx) databases, err := db.ListDatabases(ctx)
if err != nil { if err != nil {
indicator.Fail(fmt.Sprintf("Failed to list databases: %v", err)) indicator.Fail(fmt.Sprintf("Failed to list databases: %v", err))
return err return err
} }
indicator.Complete("Database operations successful") indicator.Complete("Database operations successful")
// Display results // Display results
fmt.Println("Connection Test Results:") fmt.Println("Connection Test Results:")
fmt.Printf(" Status: Connected ✅\n") fmt.Printf(" Status: Connected ✅\n")
fmt.Printf(" Version: %s\n", version) fmt.Printf(" Version: %s\n", version)
fmt.Printf(" Databases: %d found\n", len(databases)) fmt.Printf(" Databases: %d found\n", len(databases))
if len(databases) > 0 { if len(databases) > 0 {
fmt.Printf(" Database List: ") fmt.Printf(" Database List: ")
if len(databases) <= 5 { if len(databases) <= 5 {
@@ -165,9 +165,9 @@ func testConnection(ctx context.Context) error {
} }
fmt.Println() fmt.Println()
} }
fmt.Println() fmt.Println()
fmt.Println("✅ Status check completed successfully!") fmt.Println("✅ Status check completed successfully!")
return nil return nil
} }

33
cmd/verify.go
View File

@@ -12,6 +12,7 @@ import (
"dbbackup/internal/metadata" "dbbackup/internal/metadata"
"dbbackup/internal/restore" "dbbackup/internal/restore"
"dbbackup/internal/verification" "dbbackup/internal/verification"
"github.com/spf13/cobra" "github.com/spf13/cobra"
) )
@@ -57,12 +58,12 @@ func runVerifyBackup(cmd *cobra.Command, args []string) error {
break break
} }
} }
// If cloud URIs detected, handle separately // If cloud URIs detected, handle separately
if hasCloudURI { if hasCloudURI {
return runVerifyCloudBackup(cmd, args) return runVerifyCloudBackup(cmd, args)
} }
// Expand glob patterns for local files // Expand glob patterns for local files
var backupFiles []string var backupFiles []string
for _, pattern := range args { for _, pattern := range args {
@@ -89,9 +90,9 @@ func runVerifyBackup(cmd *cobra.Command, args []string) error {
for _, backupFile := range backupFiles { for _, backupFile := range backupFiles {
// Skip metadata files // Skip metadata files
if strings.HasSuffix(backupFile, ".meta.json") || if strings.HasSuffix(backupFile, ".meta.json") ||
strings.HasSuffix(backupFile, ".sha256") || strings.HasSuffix(backupFile, ".sha256") ||
strings.HasSuffix(backupFile, ".info") { strings.HasSuffix(backupFile, ".info") {
continue continue
} }
@@ -172,7 +173,7 @@ func verifyCloudBackup(ctx context.Context, uri string, quick, verbose bool) (*r
if err != nil { if err != nil {
return nil, err return nil, err
} }
// If not quick mode, also run full verification // If not quick mode, also run full verification
if !quick { if !quick {
_, err := verification.Verify(result.LocalPath) _, err := verification.Verify(result.LocalPath)
@@ -181,25 +182,25 @@ func verifyCloudBackup(ctx context.Context, uri string, quick, verbose bool) (*r
return nil, err return nil, err
} }
} }
return result, nil return result, nil
} }
// runVerifyCloudBackup verifies backups from cloud storage // runVerifyCloudBackup verifies backups from cloud storage
func runVerifyCloudBackup(cmd *cobra.Command, args []string) error { func runVerifyCloudBackup(cmd *cobra.Command, args []string) error {
fmt.Printf("Verifying cloud backup(s)...\n\n") fmt.Printf("Verifying cloud backup(s)...\n\n")
successCount := 0 successCount := 0
failureCount := 0 failureCount := 0
for _, uri := range args { for _, uri := range args {
if !isCloudURI(uri) { if !isCloudURI(uri) {
fmt.Printf("⚠️ Skipping non-cloud URI: %s\n", uri) fmt.Printf("⚠️ Skipping non-cloud URI: %s\n", uri)
continue continue
} }
fmt.Printf("☁️ %s\n", uri) fmt.Printf("☁️ %s\n", uri)
// Download and verify // Download and verify
result, err := verifyCloudBackup(cmd.Context(), uri, quickVerify, verboseVerify) result, err := verifyCloudBackup(cmd.Context(), uri, quickVerify, verboseVerify)
if err != nil { if err != nil {
@@ -207,10 +208,10 @@ func runVerifyCloudBackup(cmd *cobra.Command, args []string) error {
failureCount++ failureCount++
continue continue
} }
// Cleanup temp file // Cleanup temp file
defer result.Cleanup() defer result.Cleanup()
fmt.Printf(" ✅ VALID\n") fmt.Printf(" ✅ VALID\n")
if verboseVerify && result.MetadataPath != "" { if verboseVerify && result.MetadataPath != "" {
meta, _ := metadata.Load(result.MetadataPath) meta, _ := metadata.Load(result.MetadataPath)
@@ -224,12 +225,12 @@ func runVerifyCloudBackup(cmd *cobra.Command, args []string) error {
fmt.Println() fmt.Println()
successCount++ successCount++
} }
fmt.Printf("\n✅ Summary: %d valid, %d failed\n", successCount, failureCount) fmt.Printf("\n✅ Summary: %d valid, %d failed\n", successCount, failureCount)
if failureCount > 0 { if failureCount > 0 {
os.Exit(1) os.Exit(1)
} }
return nil return nil
} }

46
internal/auth/helper.go
View File

@@ -16,13 +16,13 @@ import (
type AuthMethod string type AuthMethod string
const ( const (
AuthPeer AuthMethod = "peer" AuthPeer AuthMethod = "peer"
AuthIdent AuthMethod = "ident" AuthIdent AuthMethod = "ident"
AuthMD5 AuthMethod = "md5" AuthMD5 AuthMethod = "md5"
AuthScramSHA256 AuthMethod = "scram-sha-256" AuthScramSHA256 AuthMethod = "scram-sha-256"
AuthPassword AuthMethod = "password" AuthPassword AuthMethod = "password"
AuthTrust AuthMethod = "trust" AuthTrust AuthMethod = "trust"
AuthUnknown AuthMethod = "unknown" AuthUnknown AuthMethod = "unknown"
) )
// DetectPostgreSQLAuthMethod attempts to detect the authentication method // DetectPostgreSQLAuthMethod attempts to detect the authentication method
@@ -108,7 +108,7 @@ func parseHbaContent(content string, user string) AuthMethod {
for _, line := range lines { for _, line := range lines {
line = strings.TrimSpace(line) line = strings.TrimSpace(line)
// Skip comments and empty lines // Skip comments and empty lines
if line == "" || strings.HasPrefix(line, "#") { if line == "" || strings.HasPrefix(line, "#") {
continue continue
@@ -198,29 +198,29 @@ func buildAuthMismatchMessage(osUser, dbUser string, method AuthMethod) string {
msg.WriteString("\n⚠️ Authentication Mismatch Detected\n") msg.WriteString("\n⚠️ Authentication Mismatch Detected\n")
msg.WriteString(strings.Repeat("=", 60) + "\n\n") msg.WriteString(strings.Repeat("=", 60) + "\n\n")
msg.WriteString(fmt.Sprintf(" PostgreSQL is using '%s' authentication\n", method)) msg.WriteString(fmt.Sprintf(" PostgreSQL is using '%s' authentication\n", method))
msg.WriteString(fmt.Sprintf(" OS user '%s' cannot authenticate as DB user '%s'\n\n", osUser, dbUser)) msg.WriteString(fmt.Sprintf(" OS user '%s' cannot authenticate as DB user '%s'\n\n", osUser, dbUser))
msg.WriteString("💡 Solutions (choose one):\n\n") msg.WriteString("💡 Solutions (choose one):\n\n")
msg.WriteString(fmt.Sprintf(" 1. Run as matching user:\n")) msg.WriteString(fmt.Sprintf(" 1. Run as matching user:\n"))
msg.WriteString(fmt.Sprintf(" sudo -u %s %s\n\n", dbUser, getCommandLine())) msg.WriteString(fmt.Sprintf(" sudo -u %s %s\n\n", dbUser, getCommandLine()))
msg.WriteString(" 2. Configure ~/.pgpass file (recommended):\n") msg.WriteString(" 2. Configure ~/.pgpass file (recommended):\n")
msg.WriteString(fmt.Sprintf(" echo \"localhost:5432:*:%s:your_password\" > ~/.pgpass\n", dbUser)) msg.WriteString(fmt.Sprintf(" echo \"localhost:5432:*:%s:your_password\" > ~/.pgpass\n", dbUser))
msg.WriteString(" chmod 0600 ~/.pgpass\n\n") msg.WriteString(" chmod 0600 ~/.pgpass\n\n")
msg.WriteString(" 3. Set PGPASSWORD environment variable:\n") msg.WriteString(" 3. Set PGPASSWORD environment variable:\n")
msg.WriteString(fmt.Sprintf(" export PGPASSWORD=your_password\n")) msg.WriteString(fmt.Sprintf(" export PGPASSWORD=your_password\n"))
msg.WriteString(fmt.Sprintf(" %s\n\n", getCommandLine())) msg.WriteString(fmt.Sprintf(" %s\n\n", getCommandLine()))
msg.WriteString(" 4. Provide password via flag:\n") msg.WriteString(" 4. Provide password via flag:\n")
msg.WriteString(fmt.Sprintf(" %s --password your_password\n\n", getCommandLine())) msg.WriteString(fmt.Sprintf(" %s --password your_password\n\n", getCommandLine()))
msg.WriteString("📝 Note: For production use, ~/.pgpass or PGPASSWORD are recommended\n") msg.WriteString("📝 Note: For production use, ~/.pgpass or PGPASSWORD are recommended\n")
msg.WriteString(" to avoid exposing passwords in command history.\n\n") msg.WriteString(" to avoid exposing passwords in command history.\n\n")
msg.WriteString(strings.Repeat("=", 60) + "\n") msg.WriteString(strings.Repeat("=", 60) + "\n")
return msg.String() return msg.String()
@@ -231,29 +231,29 @@ func getCommandLine() string {
if len(os.Args) == 0 { if len(os.Args) == 0 {
return "./dbbackup" return "./dbbackup"
} }
// Build command without password if present // Build command without password if present
var parts []string var parts []string
skipNext := false skipNext := false
for _, arg := range os.Args { for _, arg := range os.Args {
if skipNext { if skipNext {
skipNext = false skipNext = false
continue continue
} }
if arg == "--password" || arg == "-p" { if arg == "--password" || arg == "-p" {
skipNext = true skipNext = true
continue continue
} }
if strings.HasPrefix(arg, "--password=") { if strings.HasPrefix(arg, "--password=") {
continue continue
} }
parts = append(parts, arg) parts = append(parts, arg)
} }
return strings.Join(parts, " ") return strings.Join(parts, " ")
} }
@@ -298,7 +298,7 @@ func parsePgpass(path string, cfg *config.Config) string {
scanner := bufio.NewScanner(file) scanner := bufio.NewScanner(file)
for scanner.Scan() { for scanner.Scan() {
line := strings.TrimSpace(scanner.Text()) line := strings.TrimSpace(scanner.Text())
// Skip comments and empty lines // Skip comments and empty lines
if line == "" || strings.HasPrefix(line, "#") { if line == "" || strings.HasPrefix(line, "#") {
continue continue

10
internal/backup/encryption.go
View File

@@ -14,7 +14,7 @@ import (
// The original file is replaced with the encrypted version // The original file is replaced with the encrypted version
func EncryptBackupFile(backupPath string, key []byte, log logger.Logger) error { func EncryptBackupFile(backupPath string, key []byte, log logger.Logger) error {
log.Info("Encrypting backup file", "file", filepath.Base(backupPath)) log.Info("Encrypting backup file", "file", filepath.Base(backupPath))
// Validate key // Validate key
if err := crypto.ValidateKey(key); err != nil { if err := crypto.ValidateKey(key); err != nil {
return fmt.Errorf("invalid encryption key: %w", err) return fmt.Errorf("invalid encryption key: %w", err)
@@ -81,25 +81,25 @@ func IsBackupEncrypted(backupPath string) bool {
// All databases are unencrypted // All databases are unencrypted
return false return false
} }
// Try single database metadata // Try single database metadata
if meta, err := metadata.Load(backupPath); err == nil { if meta, err := metadata.Load(backupPath); err == nil {
return meta.Encrypted return meta.Encrypted
} }
// Fallback: check if file starts with encryption nonce // Fallback: check if file starts with encryption nonce
file, err := os.Open(backupPath) file, err := os.Open(backupPath)
if err != nil { if err != nil {
return false return false
} }
defer file.Close() defer file.Close()
// Try to read nonce - if it succeeds, likely encrypted // Try to read nonce - if it succeeds, likely encrypted
nonce := make([]byte, crypto.NonceSize) nonce := make([]byte, crypto.NonceSize)
if n, err := file.Read(nonce); err != nil || n != crypto.NonceSize { if n, err := file.Read(nonce); err != nil || n != crypto.NonceSize {
return false return false
} }
return true return true
} }

388
internal/backup/engine.go
View File

@@ -20,11 +20,11 @@ import (
"dbbackup/internal/cloud" "dbbackup/internal/cloud"
"dbbackup/internal/config" "dbbackup/internal/config"
"dbbackup/internal/database" "dbbackup/internal/database"
"dbbackup/internal/security"
"dbbackup/internal/logger" "dbbackup/internal/logger"
"dbbackup/internal/metadata" "dbbackup/internal/metadata"
"dbbackup/internal/metrics" "dbbackup/internal/metrics"
"dbbackup/internal/progress" "dbbackup/internal/progress"
"dbbackup/internal/security"
"dbbackup/internal/swap" "dbbackup/internal/swap"
) )
@@ -42,7 +42,7 @@ type Engine struct {
func New(cfg *config.Config, log logger.Logger, db database.Database) *Engine { func New(cfg *config.Config, log logger.Logger, db database.Database) *Engine {
progressIndicator := progress.NewIndicator(true, "line") // Use line-by-line indicator progressIndicator := progress.NewIndicator(true, "line") // Use line-by-line indicator
detailedReporter := progress.NewDetailedReporter(progressIndicator, &loggerAdapter{logger: log}) detailedReporter := progress.NewDetailedReporter(progressIndicator, &loggerAdapter{logger: log})
return &Engine{ return &Engine{
cfg: cfg, cfg: cfg,
log: log, log: log,
@@ -56,7 +56,7 @@ func New(cfg *config.Config, log logger.Logger, db database.Database) *Engine {
// NewWithProgress creates a new backup engine with a custom progress indicator // NewWithProgress creates a new backup engine with a custom progress indicator
func NewWithProgress(cfg *config.Config, log logger.Logger, db database.Database, progressIndicator progress.Indicator) *Engine { func NewWithProgress(cfg *config.Config, log logger.Logger, db database.Database, progressIndicator progress.Indicator) *Engine {
detailedReporter := progress.NewDetailedReporter(progressIndicator, &loggerAdapter{logger: log}) detailedReporter := progress.NewDetailedReporter(progressIndicator, &loggerAdapter{logger: log})
return &Engine{ return &Engine{
cfg: cfg, cfg: cfg,
log: log, log: log,
@@ -73,9 +73,9 @@ func NewSilent(cfg *config.Config, log logger.Logger, db database.Database, prog
if progressIndicator == nil { if progressIndicator == nil {
progressIndicator = progress.NewNullIndicator() progressIndicator = progress.NewNullIndicator()
} }
detailedReporter := progress.NewDetailedReporter(progressIndicator, &loggerAdapter{logger: log}) detailedReporter := progress.NewDetailedReporter(progressIndicator, &loggerAdapter{logger: log})
return &Engine{ return &Engine{
cfg: cfg, cfg: cfg,
log: log, log: log,
@@ -126,16 +126,16 @@ func (e *Engine) BackupSingle(ctx context.Context, databaseName string) error {
// Start detailed operation tracking // Start detailed operation tracking
operationID := generateOperationID() operationID := generateOperationID()
tracker := e.detailedReporter.StartOperation(operationID, databaseName, "backup") tracker := e.detailedReporter.StartOperation(operationID, databaseName, "backup")
// Add operation details // Add operation details
tracker.SetDetails("database", databaseName) tracker.SetDetails("database", databaseName)
tracker.SetDetails("type", "single") tracker.SetDetails("type", "single")
tracker.SetDetails("compression", strconv.Itoa(e.cfg.CompressionLevel)) tracker.SetDetails("compression", strconv.Itoa(e.cfg.CompressionLevel))
tracker.SetDetails("format", "custom") tracker.SetDetails("format", "custom")
// Start preparing backup directory // Start preparing backup directory
prepStep := tracker.AddStep("prepare", "Preparing backup directory") prepStep := tracker.AddStep("prepare", "Preparing backup directory")
// Validate and sanitize backup directory path // Validate and sanitize backup directory path
validBackupDir, err := security.ValidateBackupPath(e.cfg.BackupDir) validBackupDir, err := security.ValidateBackupPath(e.cfg.BackupDir)
if err != nil { if err != nil {
@@ -144,7 +144,7 @@ func (e *Engine) BackupSingle(ctx context.Context, databaseName string) error {
return fmt.Errorf("invalid backup directory path: %w", err) return fmt.Errorf("invalid backup directory path: %w", err)
} }
e.cfg.BackupDir = validBackupDir e.cfg.BackupDir = validBackupDir
if err := os.MkdirAll(e.cfg.BackupDir, 0755); err != nil { if err := os.MkdirAll(e.cfg.BackupDir, 0755); err != nil {
err = fmt.Errorf("failed to create backup directory %s. Check write permissions or use --backup-dir to specify writable location: %w", e.cfg.BackupDir, err) err = fmt.Errorf("failed to create backup directory %s. Check write permissions or use --backup-dir to specify writable location: %w", e.cfg.BackupDir, err)
prepStep.Fail(err) prepStep.Fail(err)
@@ -153,20 +153,20 @@ func (e *Engine) BackupSingle(ctx context.Context, databaseName string) error {
} }
prepStep.Complete("Backup directory prepared") prepStep.Complete("Backup directory prepared")
tracker.UpdateProgress(10, "Backup directory prepared") tracker.UpdateProgress(10, "Backup directory prepared")
// Generate timestamp and filename // Generate timestamp and filename
timestamp := time.Now().Format("20060102_150405") timestamp := time.Now().Format("20060102_150405")
var outputFile string var outputFile string
if e.cfg.IsPostgreSQL() { if e.cfg.IsPostgreSQL() {
outputFile = filepath.Join(e.cfg.BackupDir, fmt.Sprintf("db_%s_%s.dump", databaseName, timestamp)) outputFile = filepath.Join(e.cfg.BackupDir, fmt.Sprintf("db_%s_%s.dump", databaseName, timestamp))
} else { } else {
outputFile = filepath.Join(e.cfg.BackupDir, fmt.Sprintf("db_%s_%s.sql.gz", databaseName, timestamp)) outputFile = filepath.Join(e.cfg.BackupDir, fmt.Sprintf("db_%s_%s.sql.gz", databaseName, timestamp))
} }
tracker.SetDetails("output_file", outputFile) tracker.SetDetails("output_file", outputFile)
tracker.UpdateProgress(20, "Generated backup filename") tracker.UpdateProgress(20, "Generated backup filename")
// Build backup command // Build backup command
cmdStep := tracker.AddStep("command", "Building backup command") cmdStep := tracker.AddStep("command", "Building backup command")
options := database.BackupOptions{ options := database.BackupOptions{
@@ -177,15 +177,15 @@ func (e *Engine) BackupSingle(ctx context.Context, databaseName string) error {
NoOwner: false, NoOwner: false,
NoPrivileges: false, NoPrivileges: false,
} }
cmd := e.db.BuildBackupCommand(databaseName, outputFile, options) cmd := e.db.BuildBackupCommand(databaseName, outputFile, options)
cmdStep.Complete("Backup command prepared") cmdStep.Complete("Backup command prepared")
tracker.UpdateProgress(30, "Backup command prepared") tracker.UpdateProgress(30, "Backup command prepared")
// Execute backup command with progress monitoring // Execute backup command with progress monitoring
execStep := tracker.AddStep("execute", "Executing database backup") execStep := tracker.AddStep("execute", "Executing database backup")
tracker.UpdateProgress(40, "Starting database backup...") tracker.UpdateProgress(40, "Starting database backup...")
if err := e.executeCommandWithProgress(ctx, cmd, outputFile, tracker); err != nil { if err := e.executeCommandWithProgress(ctx, cmd, outputFile, tracker); err != nil {
err = fmt.Errorf("backup failed for %s: %w. Check database connectivity and disk space", databaseName, err) err = fmt.Errorf("backup failed for %s: %w. Check database connectivity and disk space", databaseName, err)
execStep.Fail(err) execStep.Fail(err)
@@ -194,7 +194,7 @@ func (e *Engine) BackupSingle(ctx context.Context, databaseName string) error {
} }
execStep.Complete("Database backup completed") execStep.Complete("Database backup completed")
tracker.UpdateProgress(80, "Database backup completed") tracker.UpdateProgress(80, "Database backup completed")
// Verify backup file // Verify backup file
verifyStep := tracker.AddStep("verify", "Verifying backup file") verifyStep := tracker.AddStep("verify", "Verifying backup file")
if info, err := os.Stat(outputFile); err != nil { if info, err := os.Stat(outputFile); err != nil {
@@ -209,7 +209,7 @@ func (e *Engine) BackupSingle(ctx context.Context, databaseName string) error {
verifyStep.Complete(fmt.Sprintf("Backup file verified: %s", size)) verifyStep.Complete(fmt.Sprintf("Backup file verified: %s", size))
tracker.UpdateProgress(90, fmt.Sprintf("Backup verified: %s", size)) tracker.UpdateProgress(90, fmt.Sprintf("Backup verified: %s", size))
} }
// Calculate and save checksum // Calculate and save checksum
checksumStep := tracker.AddStep("checksum", "Calculating SHA-256 checksum") checksumStep := tracker.AddStep("checksum", "Calculating SHA-256 checksum")
if checksum, err := security.ChecksumFile(outputFile); err != nil { if checksum, err := security.ChecksumFile(outputFile); err != nil {
@@ -223,7 +223,7 @@ func (e *Engine) BackupSingle(ctx context.Context, databaseName string) error {
e.log.Info("Backup checksum", "sha256", checksum) e.log.Info("Backup checksum", "sha256", checksum)
} }
} }
// Create metadata file // Create metadata file
metaStep := tracker.AddStep("metadata", "Creating metadata file") metaStep := tracker.AddStep("metadata", "Creating metadata file")
if err := e.createMetadata(outputFile, databaseName, "single", ""); err != nil { if err := e.createMetadata(outputFile, databaseName, "single", ""); err != nil {
@@ -232,12 +232,12 @@ func (e *Engine) BackupSingle(ctx context.Context, databaseName string) error {
} else { } else {
metaStep.Complete("Metadata file created") metaStep.Complete("Metadata file created")
} }
// Record metrics for observability // Record metrics for observability
if info, err := os.Stat(outputFile); err == nil && metrics.GlobalMetrics != nil { if info, err := os.Stat(outputFile); err == nil && metrics.GlobalMetrics != nil {
metrics.GlobalMetrics.RecordOperation("backup_single", databaseName, time.Now().Add(-time.Minute), info.Size(), true, 0) metrics.GlobalMetrics.RecordOperation("backup_single", databaseName, time.Now().Add(-time.Minute), info.Size(), true, 0)
} }
// Cloud upload if enabled // Cloud upload if enabled
if e.cfg.CloudEnabled && e.cfg.CloudAutoUpload { if e.cfg.CloudEnabled && e.cfg.CloudAutoUpload {
if err := e.uploadToCloud(ctx, outputFile, tracker); err != nil { if err := e.uploadToCloud(ctx, outputFile, tracker); err != nil {
@@ -245,39 +245,39 @@ func (e *Engine) BackupSingle(ctx context.Context, databaseName string) error {
// Don't fail the backup if cloud upload fails // Don't fail the backup if cloud upload fails
} }
} }
// Complete operation // Complete operation
tracker.UpdateProgress(100, "Backup operation completed successfully") tracker.UpdateProgress(100, "Backup operation completed successfully")
tracker.Complete(fmt.Sprintf("Single database backup completed: %s", filepath.Base(outputFile))) tracker.Complete(fmt.Sprintf("Single database backup completed: %s", filepath.Base(outputFile)))
return nil return nil
} }
// BackupSample performs a sample database backup // BackupSample performs a sample database backup
func (e *Engine) BackupSample(ctx context.Context, databaseName string) error { func (e *Engine) BackupSample(ctx context.Context, databaseName string) error {
operation := e.log.StartOperation("Sample Database Backup") operation := e.log.StartOperation("Sample Database Backup")
// Ensure backup directory exists // Ensure backup directory exists
if err := os.MkdirAll(e.cfg.BackupDir, 0755); err != nil { if err := os.MkdirAll(e.cfg.BackupDir, 0755); err != nil {
operation.Fail("Failed to create backup directory") operation.Fail("Failed to create backup directory")
return fmt.Errorf("failed to create backup directory: %w", err) return fmt.Errorf("failed to create backup directory: %w", err)
} }
// Generate timestamp and filename // Generate timestamp and filename
timestamp := time.Now().Format("20060102_150405") timestamp := time.Now().Format("20060102_150405")
outputFile := filepath.Join(e.cfg.BackupDir, outputFile := filepath.Join(e.cfg.BackupDir,
fmt.Sprintf("sample_%s_%s%d_%s.sql", databaseName, e.cfg.SampleStrategy, e.cfg.SampleValue, timestamp)) fmt.Sprintf("sample_%s_%s%d_%s.sql", databaseName, e.cfg.SampleStrategy, e.cfg.SampleValue, timestamp))
operation.Update("Starting sample database backup") operation.Update("Starting sample database backup")
e.progress.Start(fmt.Sprintf("Creating sample backup of '%s' (%s=%d)", databaseName, e.cfg.SampleStrategy, e.cfg.SampleValue)) e.progress.Start(fmt.Sprintf("Creating sample backup of '%s' (%s=%d)", databaseName, e.cfg.SampleStrategy, e.cfg.SampleValue))
// For sample backups, we need to get the schema first, then sample data // For sample backups, we need to get the schema first, then sample data
if err := e.createSampleBackup(ctx, databaseName, outputFile); err != nil { if err := e.createSampleBackup(ctx, databaseName, outputFile); err != nil {
e.progress.Fail(fmt.Sprintf("Sample backup failed: %v", err)) e.progress.Fail(fmt.Sprintf("Sample backup failed: %v", err))
operation.Fail("Sample backup failed") operation.Fail("Sample backup failed")
return fmt.Errorf("sample backup failed: %w", err) return fmt.Errorf("sample backup failed: %w", err)
} }
// Check output file // Check output file
if info, err := os.Stat(outputFile); err != nil { if info, err := os.Stat(outputFile); err != nil {
e.progress.Fail("Sample backup file not created") e.progress.Fail("Sample backup file not created")
@@ -288,12 +288,12 @@ func (e *Engine) BackupSample(ctx context.Context, databaseName string) error {
e.progress.Complete(fmt.Sprintf("Sample backup completed: %s (%s)", filepath.Base(outputFile), size)) e.progress.Complete(fmt.Sprintf("Sample backup completed: %s (%s)", filepath.Base(outputFile), size))
operation.Complete(fmt.Sprintf("Sample backup created: %s (%s)", outputFile, size)) operation.Complete(fmt.Sprintf("Sample backup created: %s (%s)", outputFile, size))
} }
// Create metadata file // Create metadata file
if err := e.createMetadata(outputFile, databaseName, "sample", e.cfg.SampleStrategy); err != nil { if err := e.createMetadata(outputFile, databaseName, "sample", e.cfg.SampleStrategy); err != nil {
e.log.Warn("Failed to create metadata file", "error", err) e.log.Warn("Failed to create metadata file", "error", err)
} }
return nil return nil
} }
@@ -302,19 +302,19 @@ func (e *Engine) BackupCluster(ctx context.Context) error {
if !e.cfg.IsPostgreSQL() { if !e.cfg.IsPostgreSQL() {
return fmt.Errorf("cluster backup is only supported for PostgreSQL") return fmt.Errorf("cluster backup is only supported for PostgreSQL")
} }
operation := e.log.StartOperation("Cluster Backup") operation := e.log.StartOperation("Cluster Backup")
// Setup swap file if configured // Setup swap file if configured
var swapMgr *swap.Manager var swapMgr *swap.Manager
if e.cfg.AutoSwap && e.cfg.SwapFileSizeGB > 0 { if e.cfg.AutoSwap && e.cfg.SwapFileSizeGB > 0 {
swapMgr = swap.NewManager(e.cfg.SwapFilePath, e.cfg.SwapFileSizeGB, e.log) swapMgr = swap.NewManager(e.cfg.SwapFilePath, e.cfg.SwapFileSizeGB, e.log)
if swapMgr.IsSupported() { if swapMgr.IsSupported() {
e.log.Info("Setting up temporary swap file for large backup", e.log.Info("Setting up temporary swap file for large backup",
"path", e.cfg.SwapFilePath, "path", e.cfg.SwapFilePath,
"size_gb", e.cfg.SwapFileSizeGB) "size_gb", e.cfg.SwapFileSizeGB)
if err := swapMgr.Setup(); err != nil { if err := swapMgr.Setup(); err != nil {
e.log.Warn("Failed to setup swap file (continuing without it)", "error", err) e.log.Warn("Failed to setup swap file (continuing without it)", "error", err)
} else { } else {
@@ -329,7 +329,7 @@ func (e *Engine) BackupCluster(ctx context.Context) error {
e.log.Warn("Swap file management not supported on this platform", "os", swapMgr) e.log.Warn("Swap file management not supported on this platform", "os", swapMgr)
} }
} }
// Use appropriate progress indicator based on silent mode // Use appropriate progress indicator based on silent mode
var quietProgress progress.Indicator var quietProgress progress.Indicator
if e.silent { if e.silent {
@@ -340,42 +340,42 @@ func (e *Engine) BackupCluster(ctx context.Context) error {
quietProgress = progress.NewQuietLineByLine() quietProgress = progress.NewQuietLineByLine()
quietProgress.Start("Starting cluster backup (all databases)") quietProgress.Start("Starting cluster backup (all databases)")
} }
// Ensure backup directory exists // Ensure backup directory exists
if err := os.MkdirAll(e.cfg.BackupDir, 0755); err != nil { if err := os.MkdirAll(e.cfg.BackupDir, 0755); err != nil {
operation.Fail("Failed to create backup directory") operation.Fail("Failed to create backup directory")
quietProgress.Fail("Failed to create backup directory") quietProgress.Fail("Failed to create backup directory")
return fmt.Errorf("failed to create backup directory: %w", err) return fmt.Errorf("failed to create backup directory: %w", err)
} }
// Check disk space before starting backup (cached for performance) // Check disk space before starting backup (cached for performance)
e.log.Info("Checking disk space availability") e.log.Info("Checking disk space availability")
spaceCheck := checks.CheckDiskSpaceCached(e.cfg.BackupDir) spaceCheck := checks.CheckDiskSpaceCached(e.cfg.BackupDir)
if !e.silent { if !e.silent {
// Show disk space status in CLI mode // Show disk space status in CLI mode
fmt.Println("\n" + checks.FormatDiskSpaceMessage(spaceCheck)) fmt.Println("\n" + checks.FormatDiskSpaceMessage(spaceCheck))
} }
if spaceCheck.Critical { if spaceCheck.Critical {
operation.Fail("Insufficient disk space") operation.Fail("Insufficient disk space")
quietProgress.Fail("Insufficient disk space - free up space and try again") quietProgress.Fail("Insufficient disk space - free up space and try again")
return fmt.Errorf("insufficient disk space: %.1f%% used, operation blocked", spaceCheck.UsedPercent) return fmt.Errorf("insufficient disk space: %.1f%% used, operation blocked", spaceCheck.UsedPercent)
} }
if spaceCheck.Warning { if spaceCheck.Warning {
e.log.Warn("Low disk space - backup may fail if database is large", e.log.Warn("Low disk space - backup may fail if database is large",
"available_gb", float64(spaceCheck.AvailableBytes)/(1024*1024*1024), "available_gb", float64(spaceCheck.AvailableBytes)/(1024*1024*1024),
"used_percent", spaceCheck.UsedPercent) "used_percent", spaceCheck.UsedPercent)
} }
// Generate timestamp and filename // Generate timestamp and filename
timestamp := time.Now().Format("20060102_150405") timestamp := time.Now().Format("20060102_150405")
outputFile := filepath.Join(e.cfg.BackupDir, fmt.Sprintf("cluster_%s.tar.gz", timestamp)) outputFile := filepath.Join(e.cfg.BackupDir, fmt.Sprintf("cluster_%s.tar.gz", timestamp))
tempDir := filepath.Join(e.cfg.BackupDir, fmt.Sprintf(".cluster_%s", timestamp)) tempDir := filepath.Join(e.cfg.BackupDir, fmt.Sprintf(".cluster_%s", timestamp))
operation.Update("Starting cluster backup") operation.Update("Starting cluster backup")
// Create temporary directory // Create temporary directory
if err := os.MkdirAll(filepath.Join(tempDir, "dumps"), 0755); err != nil { if err := os.MkdirAll(filepath.Join(tempDir, "dumps"), 0755); err != nil {
operation.Fail("Failed to create temporary directory") operation.Fail("Failed to create temporary directory")
@@ -383,7 +383,7 @@ func (e *Engine) BackupCluster(ctx context.Context) error {
return fmt.Errorf("failed to create temp directory: %w", err) return fmt.Errorf("failed to create temp directory: %w", err)
} }
defer os.RemoveAll(tempDir) defer os.RemoveAll(tempDir)
// Backup globals // Backup globals
e.printf(" Backing up global objects...\n") e.printf(" Backing up global objects...\n")
if err := e.backupGlobals(ctx, tempDir); err != nil { if err := e.backupGlobals(ctx, tempDir); err != nil {
@@ -391,7 +391,7 @@ func (e *Engine) BackupCluster(ctx context.Context) error {
operation.Fail("Global backup failed") operation.Fail("Global backup failed")
return fmt.Errorf("failed to backup globals: %w", err) return fmt.Errorf("failed to backup globals: %w", err)
} }
// Get list of databases // Get list of databases
e.printf(" Getting database list...\n") e.printf(" Getting database list...\n")
databases, err := e.db.ListDatabases(ctx) databases, err := e.db.ListDatabases(ctx)
@@ -400,31 +400,31 @@ func (e *Engine) BackupCluster(ctx context.Context) error {
operation.Fail("Database listing failed") operation.Fail("Database listing failed")
return fmt.Errorf("failed to list databases: %w", err) return fmt.Errorf("failed to list databases: %w", err)
} }
// Create ETA estimator for database backups // Create ETA estimator for database backups
estimator := progress.NewETAEstimator("Backing up cluster", len(databases)) estimator := progress.NewETAEstimator("Backing up cluster", len(databases))
quietProgress.SetEstimator(estimator) quietProgress.SetEstimator(estimator)
// Backup each database // Backup each database
parallelism := e.cfg.ClusterParallelism parallelism := e.cfg.ClusterParallelism
if parallelism < 1 { if parallelism < 1 {
parallelism = 1 // Ensure at least sequential parallelism = 1 // Ensure at least sequential
} }
if parallelism == 1 { if parallelism == 1 {
e.printf(" Backing up %d databases sequentially...\n", len(databases)) e.printf(" Backing up %d databases sequentially...\n", len(databases))
} else { } else {
e.printf(" Backing up %d databases with %d parallel workers...\n", len(databases), parallelism) e.printf(" Backing up %d databases with %d parallel workers...\n", len(databases), parallelism)
} }
// Use worker pool for parallel backup // Use worker pool for parallel backup
var successCount, failCount int32 var successCount, failCount int32
var mu sync.Mutex // Protect shared resources (printf, estimator) var mu sync.Mutex // Protect shared resources (printf, estimator)
// Create semaphore to limit concurrency // Create semaphore to limit concurrency
semaphore := make(chan struct{}, parallelism) semaphore := make(chan struct{}, parallelism)
var wg sync.WaitGroup var wg sync.WaitGroup
for i, dbName := range databases { for i, dbName := range databases {
// Check if context is cancelled before starting new backup // Check if context is cancelled before starting new backup
select { select {
@@ -435,14 +435,14 @@ func (e *Engine) BackupCluster(ctx context.Context) error {
return fmt.Errorf("backup cancelled: %w", ctx.Err()) return fmt.Errorf("backup cancelled: %w", ctx.Err())
default: default:
} }
wg.Add(1) wg.Add(1)
semaphore <- struct{}{} // Acquire semaphore <- struct{}{} // Acquire
go func(idx int, name string) { go func(idx int, name string) {
defer wg.Done() defer wg.Done()
defer func() { <-semaphore }() // Release defer func() { <-semaphore }() // Release
// Check for cancellation at start of goroutine // Check for cancellation at start of goroutine
select { select {
case <-ctx.Done(): case <-ctx.Done():
@@ -451,14 +451,14 @@ func (e *Engine) BackupCluster(ctx context.Context) error {
return return
default: default:
} }
// Update estimator progress (thread-safe) // Update estimator progress (thread-safe)
mu.Lock() mu.Lock()
estimator.UpdateProgress(idx) estimator.UpdateProgress(idx)
e.printf(" [%d/%d] Backing up database: %s\n", idx+1, len(databases), name) e.printf(" [%d/%d] Backing up database: %s\n", idx+1, len(databases), name)
quietProgress.Update(fmt.Sprintf("Backing up database %d/%d: %s", idx+1, len(databases), name)) quietProgress.Update(fmt.Sprintf("Backing up database %d/%d: %s", idx+1, len(databases), name))
mu.Unlock() mu.Unlock()
// Check database size and warn if very large // Check database size and warn if very large
if size, err := e.db.GetDatabaseSize(ctx, name); err == nil { if size, err := e.db.GetDatabaseSize(ctx, name); err == nil {
sizeStr := formatBytes(size) sizeStr := formatBytes(size)
@@ -469,17 +469,17 @@ func (e *Engine) BackupCluster(ctx context.Context) error {
} }
mu.Unlock() mu.Unlock()
} }
dumpFile := filepath.Join(tempDir, "dumps", name+".dump") dumpFile := filepath.Join(tempDir, "dumps", name+".dump")
compressionLevel := e.cfg.CompressionLevel compressionLevel := e.cfg.CompressionLevel
if compressionLevel > 6 { if compressionLevel > 6 {
compressionLevel = 6 compressionLevel = 6
} }
format := "custom" format := "custom"
parallel := e.cfg.DumpJobs parallel := e.cfg.DumpJobs
if size, err := e.db.GetDatabaseSize(ctx, name); err == nil { if size, err := e.db.GetDatabaseSize(ctx, name); err == nil {
if size > 5*1024*1024*1024 { if size > 5*1024*1024*1024 {
format = "plain" format = "plain"
@@ -490,7 +490,7 @@ func (e *Engine) BackupCluster(ctx context.Context) error {
mu.Unlock() mu.Unlock()
} }
} }
options := database.BackupOptions{ options := database.BackupOptions{
Compression: compressionLevel, Compression: compressionLevel,
Parallel: parallel, Parallel: parallel,
@@ -499,14 +499,14 @@ func (e *Engine) BackupCluster(ctx context.Context) error {
NoOwner: false, NoOwner: false,
NoPrivileges: false, NoPrivileges: false,
} }
cmd := e.db.BuildBackupCommand(name, dumpFile, options) cmd := e.db.BuildBackupCommand(name, dumpFile, options)
dbCtx, cancel := context.WithTimeout(ctx, 2*time.Hour) dbCtx, cancel := context.WithTimeout(ctx, 2*time.Hour)
defer cancel() defer cancel()
err := e.executeCommand(dbCtx, cmd, dumpFile) err := e.executeCommand(dbCtx, cmd, dumpFile)
cancel() cancel()
if err != nil { if err != nil {
e.log.Warn("Failed to backup database", "database", name, "error", err) e.log.Warn("Failed to backup database", "database", name, "error", err)
mu.Lock() mu.Lock()
@@ -526,15 +526,15 @@ func (e *Engine) BackupCluster(ctx context.Context) error {
} }
}(i, dbName) }(i, dbName)
} }
// Wait for all backups to complete // Wait for all backups to complete
wg.Wait() wg.Wait()
successCountFinal := int(atomic.LoadInt32(&successCount)) successCountFinal := int(atomic.LoadInt32(&successCount))
failCountFinal := int(atomic.LoadInt32(&failCount)) failCountFinal := int(atomic.LoadInt32(&failCount))
e.printf(" Backup summary: %d succeeded, %d failed\n", successCountFinal, failCountFinal) e.printf(" Backup summary: %d succeeded, %d failed\n", successCountFinal, failCountFinal)
// Create archive // Create archive
e.printf(" Creating compressed archive...\n") e.printf(" Creating compressed archive...\n")
if err := e.createArchive(ctx, tempDir, outputFile); err != nil { if err := e.createArchive(ctx, tempDir, outputFile); err != nil {
@@ -542,7 +542,7 @@ func (e *Engine) BackupCluster(ctx context.Context) error {
operation.Fail("Archive creation failed") operation.Fail("Archive creation failed")
return fmt.Errorf("failed to create archive: %w", err) return fmt.Errorf("failed to create archive: %w", err)
} }
// Check output file // Check output file
if info, err := os.Stat(outputFile); err != nil { if info, err := os.Stat(outputFile); err != nil {
quietProgress.Fail("Cluster backup archive not created") quietProgress.Fail("Cluster backup archive not created")
@@ -553,12 +553,12 @@ func (e *Engine) BackupCluster(ctx context.Context) error {
quietProgress.Complete(fmt.Sprintf("Cluster backup completed: %s (%s)", filepath.Base(outputFile), size)) quietProgress.Complete(fmt.Sprintf("Cluster backup completed: %s (%s)", filepath.Base(outputFile), size))
operation.Complete(fmt.Sprintf("Cluster backup created: %s (%s)", outputFile, size)) operation.Complete(fmt.Sprintf("Cluster backup created: %s (%s)", outputFile, size))
} }
// Create cluster metadata file // Create cluster metadata file
if err := e.createClusterMetadata(outputFile, databases, successCountFinal, failCountFinal); err != nil { if err := e.createClusterMetadata(outputFile, databases, successCountFinal, failCountFinal); err != nil {
e.log.Warn("Failed to create cluster metadata file", "error", err) e.log.Warn("Failed to create cluster metadata file", "error", err)
} }
return nil return nil
} }
@@ -567,11 +567,11 @@ func (e *Engine) executeCommandWithProgress(ctx context.Context, cmdArgs []strin
if len(cmdArgs) == 0 { if len(cmdArgs) == 0 {
return fmt.Errorf("empty command") return fmt.Errorf("empty command")
} }
e.log.Debug("Executing backup command with progress", "cmd", cmdArgs[0], "args", cmdArgs[1:]) e.log.Debug("Executing backup command with progress", "cmd", cmdArgs[0], "args", cmdArgs[1:])
cmd := exec.CommandContext(ctx, cmdArgs[0], cmdArgs[1:]...) cmd := exec.CommandContext(ctx, cmdArgs[0], cmdArgs[1:]...)
// Set environment variables for database tools // Set environment variables for database tools
cmd.Env = os.Environ() cmd.Env = os.Environ()
if e.cfg.Password != "" { if e.cfg.Password != "" {
@@ -581,51 +581,51 @@ func (e *Engine) executeCommandWithProgress(ctx context.Context, cmdArgs []strin
cmd.Env = append(cmd.Env, "MYSQL_PWD="+e.cfg.Password) cmd.Env = append(cmd.Env, "MYSQL_PWD="+e.cfg.Password)
} }
} }
// For MySQL, handle compression and redirection differently // For MySQL, handle compression and redirection differently
if e.cfg.IsMySQL() && e.cfg.CompressionLevel > 0 { if e.cfg.IsMySQL() && e.cfg.CompressionLevel > 0 {
return e.executeMySQLWithProgressAndCompression(ctx, cmdArgs, outputFile, tracker) return e.executeMySQLWithProgressAndCompression(ctx, cmdArgs, outputFile, tracker)
} }
// Get stderr pipe for progress monitoring // Get stderr pipe for progress monitoring
stderr, err := cmd.StderrPipe() stderr, err := cmd.StderrPipe()
if err != nil { if err != nil {
return fmt.Errorf("failed to get stderr pipe: %w", err) return fmt.Errorf("failed to get stderr pipe: %w", err)
} }
// Start the command // Start the command
if err := cmd.Start(); err != nil { if err := cmd.Start(); err != nil {
return fmt.Errorf("failed to start command: %w", err) return fmt.Errorf("failed to start command: %w", err)
} }
// Monitor progress via stderr // Monitor progress via stderr
go e.monitorCommandProgress(stderr, tracker) go e.monitorCommandProgress(stderr, tracker)
// Wait for command to complete // Wait for command to complete
if err := cmd.Wait(); err != nil { if err := cmd.Wait(); err != nil {
return fmt.Errorf("backup command failed: %w", err) return fmt.Errorf("backup command failed: %w", err)
} }
return nil return nil
} }
// monitorCommandProgress monitors command output for progress information // monitorCommandProgress monitors command output for progress information
func (e *Engine) monitorCommandProgress(stderr io.ReadCloser, tracker *progress.OperationTracker) { func (e *Engine) monitorCommandProgress(stderr io.ReadCloser, tracker *progress.OperationTracker) {
defer stderr.Close() defer stderr.Close()
scanner := bufio.NewScanner(stderr) scanner := bufio.NewScanner(stderr)
scanner.Buffer(make([]byte, 64*1024), 1024*1024) // 64KB initial, 1MB max for performance scanner.Buffer(make([]byte, 64*1024), 1024*1024) // 64KB initial, 1MB max for performance
progressBase := 40 // Start from 40% since command preparation is done progressBase := 40 // Start from 40% since command preparation is done
progressIncrement := 0 progressIncrement := 0
for scanner.Scan() { for scanner.Scan() {
line := strings.TrimSpace(scanner.Text()) line := strings.TrimSpace(scanner.Text())
if line == "" { if line == "" {
continue continue
} }
e.log.Debug("Command output", "line", line) e.log.Debug("Command output", "line", line)
// Increment progress gradually based on output // Increment progress gradually based on output
if progressBase < 75 { if progressBase < 75 {
progressIncrement++ progressIncrement++
@@ -634,7 +634,7 @@ func (e *Engine) monitorCommandProgress(stderr io.ReadCloser, tracker *progress.
tracker.UpdateProgress(progressBase, "Processing data...") tracker.UpdateProgress(progressBase, "Processing data...")
} }
} }
// Look for specific progress indicators // Look for specific progress indicators
if strings.Contains(line, "COPY") { if strings.Contains(line, "COPY") {
tracker.UpdateProgress(progressBase+5, "Copying table data...") tracker.UpdateProgress(progressBase+5, "Copying table data...")
@@ -654,55 +654,55 @@ func (e *Engine) executeMySQLWithProgressAndCompression(ctx context.Context, cmd
if e.cfg.Password != "" { if e.cfg.Password != "" {
dumpCmd.Env = append(dumpCmd.Env, "MYSQL_PWD="+e.cfg.Password) dumpCmd.Env = append(dumpCmd.Env, "MYSQL_PWD="+e.cfg.Password)
} }
// Create gzip command // Create gzip command
gzipCmd := exec.CommandContext(ctx, "gzip", fmt.Sprintf("-%d", e.cfg.CompressionLevel)) gzipCmd := exec.CommandContext(ctx, "gzip", fmt.Sprintf("-%d", e.cfg.CompressionLevel))
// Create output file // Create output file
outFile, err := os.Create(outputFile) outFile, err := os.Create(outputFile)
if err != nil { if err != nil {
return fmt.Errorf("failed to create output file: %w", err) return fmt.Errorf("failed to create output file: %w", err)
} }
defer outFile.Close() defer outFile.Close()
// Set up pipeline: mysqldump | gzip > outputfile // Set up pipeline: mysqldump | gzip > outputfile
pipe, err := dumpCmd.StdoutPipe() pipe, err := dumpCmd.StdoutPipe()
if err != nil { if err != nil {
return fmt.Errorf("failed to create pipe: %w", err) return fmt.Errorf("failed to create pipe: %w", err)
} }
gzipCmd.Stdin = pipe gzipCmd.Stdin = pipe
gzipCmd.Stdout = outFile gzipCmd.Stdout = outFile
// Get stderr for progress monitoring // Get stderr for progress monitoring
stderr, err := dumpCmd.StderrPipe() stderr, err := dumpCmd.StderrPipe()
if err != nil { if err != nil {
return fmt.Errorf("failed to get stderr pipe: %w", err) return fmt.Errorf("failed to get stderr pipe: %w", err)
} }
// Start monitoring progress // Start monitoring progress
go e.monitorCommandProgress(stderr, tracker) go e.monitorCommandProgress(stderr, tracker)
// Start both commands // Start both commands
if err := gzipCmd.Start(); err != nil { if err := gzipCmd.Start(); err != nil {
return fmt.Errorf("failed to start gzip: %w", err) return fmt.Errorf("failed to start gzip: %w", err)
} }
if err := dumpCmd.Start(); err != nil { if err := dumpCmd.Start(); err != nil {
return fmt.Errorf("failed to start mysqldump: %w", err) return fmt.Errorf("failed to start mysqldump: %w", err)
} }
// Wait for mysqldump to complete // Wait for mysqldump to complete
if err := dumpCmd.Wait(); err != nil { if err := dumpCmd.Wait(); err != nil {
return fmt.Errorf("mysqldump failed: %w", err) return fmt.Errorf("mysqldump failed: %w", err)
} }
// Close pipe and wait for gzip // Close pipe and wait for gzip
pipe.Close() pipe.Close()
if err := gzipCmd.Wait(); err != nil { if err := gzipCmd.Wait(); err != nil {
return fmt.Errorf("gzip failed: %w", err) return fmt.Errorf("gzip failed: %w", err)
} }
return nil return nil
} }
@@ -714,17 +714,17 @@ func (e *Engine) executeMySQLWithCompression(ctx context.Context, cmdArgs []stri
if e.cfg.Password != "" { if e.cfg.Password != "" {
dumpCmd.Env = append(dumpCmd.Env, "MYSQL_PWD="+e.cfg.Password) dumpCmd.Env = append(dumpCmd.Env, "MYSQL_PWD="+e.cfg.Password)
} }
// Create gzip command // Create gzip command
gzipCmd := exec.CommandContext(ctx, "gzip", fmt.Sprintf("-%d", e.cfg.CompressionLevel)) gzipCmd := exec.CommandContext(ctx, "gzip", fmt.Sprintf("-%d", e.cfg.CompressionLevel))
// Create output file // Create output file
outFile, err := os.Create(outputFile) outFile, err := os.Create(outputFile)
if err != nil { if err != nil {
return fmt.Errorf("failed to create output file: %w", err) return fmt.Errorf("failed to create output file: %w", err)
} }
defer outFile.Close() defer outFile.Close()
// Set up pipeline: mysqldump | gzip > outputfile // Set up pipeline: mysqldump | gzip > outputfile
stdin, err := dumpCmd.StdoutPipe() stdin, err := dumpCmd.StdoutPipe()
if err != nil { if err != nil {
@@ -732,20 +732,20 @@ func (e *Engine) executeMySQLWithCompression(ctx context.Context, cmdArgs []stri
} }
gzipCmd.Stdin = stdin gzipCmd.Stdin = stdin
gzipCmd.Stdout = outFile gzipCmd.Stdout = outFile
// Start both commands // Start both commands
if err := gzipCmd.Start(); err != nil { if err := gzipCmd.Start(); err != nil {
return fmt.Errorf("failed to start gzip: %w", err) return fmt.Errorf("failed to start gzip: %w", err)
} }
if err := dumpCmd.Run(); err != nil { if err := dumpCmd.Run(); err != nil {
return fmt.Errorf("mysqldump failed: %w", err) return fmt.Errorf("mysqldump failed: %w", err)
} }
if err := gzipCmd.Wait(); err != nil { if err := gzipCmd.Wait(); err != nil {
return fmt.Errorf("gzip failed: %w", err) return fmt.Errorf("gzip failed: %w", err)
} }
return nil return nil
} }
@@ -757,23 +757,23 @@ func (e *Engine) createSampleBackup(ctx context.Context, databaseName, outputFil
// 2. Get list of tables // 2. Get list of tables
// 3. For each table, run sampling query // 3. For each table, run sampling query
// 4. Combine into single SQL file // 4. Combine into single SQL file
// For now, we'll use a simple approach with schema-only backup first // For now, we'll use a simple approach with schema-only backup first
// Then add sample data // Then add sample data
file, err := os.Create(outputFile) file, err := os.Create(outputFile)
if err != nil { if err != nil {
return fmt.Errorf("failed to create sample backup file: %w", err) return fmt.Errorf("failed to create sample backup file: %w", err)
} }
defer file.Close() defer file.Close()
// Write header // Write header
fmt.Fprintf(file, "-- Sample Database Backup\n") fmt.Fprintf(file, "-- Sample Database Backup\n")
fmt.Fprintf(file, "-- Database: %s\n", databaseName) fmt.Fprintf(file, "-- Database: %s\n", databaseName)
fmt.Fprintf(file, "-- Strategy: %s = %d\n", e.cfg.SampleStrategy, e.cfg.SampleValue) fmt.Fprintf(file, "-- Strategy: %s = %d\n", e.cfg.SampleStrategy, e.cfg.SampleValue)
fmt.Fprintf(file, "-- Created: %s\n", time.Now().Format(time.RFC3339)) fmt.Fprintf(file, "-- Created: %s\n", time.Now().Format(time.RFC3339))
fmt.Fprintf(file, "-- WARNING: This backup may have referential integrity issues!\n\n") fmt.Fprintf(file, "-- WARNING: This backup may have referential integrity issues!\n\n")
// For PostgreSQL, we can use pg_dump --schema-only first // For PostgreSQL, we can use pg_dump --schema-only first
if e.cfg.IsPostgreSQL() { if e.cfg.IsPostgreSQL() {
// Get schema // Get schema
@@ -781,61 +781,61 @@ func (e *Engine) createSampleBackup(ctx context.Context, databaseName, outputFil
SchemaOnly: true, SchemaOnly: true,
Format: "plain", Format: "plain",
}) })
cmd := exec.CommandContext(ctx, schemaCmd[0], schemaCmd[1:]...) cmd := exec.CommandContext(ctx, schemaCmd[0], schemaCmd[1:]...)
cmd.Env = os.Environ() cmd.Env = os.Environ()
if e.cfg.Password != "" { if e.cfg.Password != "" {
cmd.Env = append(cmd.Env, "PGPASSWORD="+e.cfg.Password) cmd.Env = append(cmd.Env, "PGPASSWORD="+e.cfg.Password)
} }
cmd.Stdout = file cmd.Stdout = file
if err := cmd.Run(); err != nil { if err := cmd.Run(); err != nil {
return fmt.Errorf("failed to export schema: %w", err) return fmt.Errorf("failed to export schema: %w", err)
} }
fmt.Fprintf(file, "\n-- Sample data follows\n\n") fmt.Fprintf(file, "\n-- Sample data follows\n\n")
// Get tables and sample data // Get tables and sample data
tables, err := e.db.ListTables(ctx, databaseName) tables, err := e.db.ListTables(ctx, databaseName)
if err != nil { if err != nil {
return fmt.Errorf("failed to list tables: %w", err) return fmt.Errorf("failed to list tables: %w", err)
} }
strategy := database.SampleStrategy{ strategy := database.SampleStrategy{
Type: e.cfg.SampleStrategy, Type: e.cfg.SampleStrategy,
Value: e.cfg.SampleValue, Value: e.cfg.SampleValue,
} }
for _, table := range tables { for _, table := range tables {
fmt.Fprintf(file, "-- Data for table: %s\n", table) fmt.Fprintf(file, "-- Data for table: %s\n", table)
sampleQuery := e.db.BuildSampleQuery(databaseName, table, strategy) sampleQuery := e.db.BuildSampleQuery(databaseName, table, strategy)
fmt.Fprintf(file, "\\copy (%s) TO STDOUT\n\n", sampleQuery) fmt.Fprintf(file, "\\copy (%s) TO STDOUT\n\n", sampleQuery)
} }
} }
return nil return nil
} }
// backupGlobals creates a backup of global PostgreSQL objects // backupGlobals creates a backup of global PostgreSQL objects
func (e *Engine) backupGlobals(ctx context.Context, tempDir string) error { func (e *Engine) backupGlobals(ctx context.Context, tempDir string) error {
globalsFile := filepath.Join(tempDir, "globals.sql") globalsFile := filepath.Join(tempDir, "globals.sql")
cmd := exec.CommandContext(ctx, "pg_dumpall", "--globals-only") cmd := exec.CommandContext(ctx, "pg_dumpall", "--globals-only")
if e.cfg.Host != "localhost" { if e.cfg.Host != "localhost" {
cmd.Args = append(cmd.Args, "-h", e.cfg.Host, "-p", fmt.Sprintf("%d", e.cfg.Port)) cmd.Args = append(cmd.Args, "-h", e.cfg.Host, "-p", fmt.Sprintf("%d", e.cfg.Port))
} }
cmd.Args = append(cmd.Args, "-U", e.cfg.User) cmd.Args = append(cmd.Args, "-U", e.cfg.User)
cmd.Env = os.Environ() cmd.Env = os.Environ()
if e.cfg.Password != "" { if e.cfg.Password != "" {
cmd.Env = append(cmd.Env, "PGPASSWORD="+e.cfg.Password) cmd.Env = append(cmd.Env, "PGPASSWORD="+e.cfg.Password)
} }
output, err := cmd.Output() output, err := cmd.Output()
if err != nil { if err != nil {
return fmt.Errorf("pg_dumpall failed: %w", err) return fmt.Errorf("pg_dumpall failed: %w", err)
} }
return os.WriteFile(globalsFile, output, 0644) return os.WriteFile(globalsFile, output, 0644)
} }
@@ -844,13 +844,13 @@ func (e *Engine) createArchive(ctx context.Context, sourceDir, outputFile string
// Use pigz for faster parallel compression if available, otherwise use standard gzip // Use pigz for faster parallel compression if available, otherwise use standard gzip
compressCmd := "tar" compressCmd := "tar"
compressArgs := []string{"-czf", outputFile, "-C", sourceDir, "."} compressArgs := []string{"-czf", outputFile, "-C", sourceDir, "."}
// Check if pigz is available for faster parallel compression // Check if pigz is available for faster parallel compression
if _, err := exec.LookPath("pigz"); err == nil { if _, err := exec.LookPath("pigz"); err == nil {
// Use pigz with number of cores for parallel compression // Use pigz with number of cores for parallel compression
compressArgs = []string{"-cf", "-", "-C", sourceDir, "."} compressArgs = []string{"-cf", "-", "-C", sourceDir, "."}
cmd := exec.CommandContext(ctx, "tar", compressArgs...) cmd := exec.CommandContext(ctx, "tar", compressArgs...)
// Create output file // Create output file
outFile, err := os.Create(outputFile) outFile, err := os.Create(outputFile)
if err != nil { if err != nil {
@@ -858,10 +858,10 @@ func (e *Engine) createArchive(ctx context.Context, sourceDir, outputFile string
goto regularTar goto regularTar
} }
defer outFile.Close() defer outFile.Close()
// Pipe to pigz for parallel compression // Pipe to pigz for parallel compression
pigzCmd := exec.CommandContext(ctx, "pigz", "-p", strconv.Itoa(e.cfg.Jobs)) pigzCmd := exec.CommandContext(ctx, "pigz", "-p", strconv.Itoa(e.cfg.Jobs))
tarOut, err := cmd.StdoutPipe() tarOut, err := cmd.StdoutPipe()
if err != nil { if err != nil {
outFile.Close() outFile.Close()
@@ -870,7 +870,7 @@ func (e *Engine) createArchive(ctx context.Context, sourceDir, outputFile string
} }
pigzCmd.Stdin = tarOut pigzCmd.Stdin = tarOut
pigzCmd.Stdout = outFile pigzCmd.Stdout = outFile
// Start both commands // Start both commands
if err := pigzCmd.Start(); err != nil { if err := pigzCmd.Start(); err != nil {
outFile.Close() outFile.Close()
@@ -881,13 +881,13 @@ func (e *Engine) createArchive(ctx context.Context, sourceDir, outputFile string
outFile.Close() outFile.Close()
goto regularTar goto regularTar
} }
// Wait for tar to finish // Wait for tar to finish
if err := cmd.Wait(); err != nil { if err := cmd.Wait(); err != nil {
pigzCmd.Process.Kill() pigzCmd.Process.Kill()
return fmt.Errorf("tar failed: %w", err) return fmt.Errorf("tar failed: %w", err)
} }
// Wait for pigz to finish // Wait for pigz to finish
if err := pigzCmd.Wait(); err != nil { if err := pigzCmd.Wait(); err != nil {
return fmt.Errorf("pigz compression failed: %w", err) return fmt.Errorf("pigz compression failed: %w", err)
@@ -898,7 +898,7 @@ func (e *Engine) createArchive(ctx context.Context, sourceDir, outputFile string
regularTar: regularTar:
// Standard tar with gzip (fallback) // Standard tar with gzip (fallback)
cmd := exec.CommandContext(ctx, compressCmd, compressArgs...) cmd := exec.CommandContext(ctx, compressCmd, compressArgs...)
// Stream stderr to avoid memory issues // Stream stderr to avoid memory issues
// Use io.Copy to ensure goroutine completes when pipe closes // Use io.Copy to ensure goroutine completes when pipe closes
stderr, err := cmd.StderrPipe() stderr, err := cmd.StderrPipe()
@@ -914,7 +914,7 @@ regularTar:
// Scanner will exit when stderr pipe closes after cmd.Wait() // Scanner will exit when stderr pipe closes after cmd.Wait()
}() }()
} }
if err := cmd.Run(); err != nil { if err := cmd.Run(); err != nil {
return fmt.Errorf("tar failed: %w", err) return fmt.Errorf("tar failed: %w", err)
} }
@@ -925,26 +925,26 @@ regularTar:
// createMetadata creates a metadata file for the backup // createMetadata creates a metadata file for the backup
func (e *Engine) createMetadata(backupFile, database, backupType, strategy string) error { func (e *Engine) createMetadata(backupFile, database, backupType, strategy string) error {
startTime := time.Now() startTime := time.Now()
// Get backup file information // Get backup file information
info, err := os.Stat(backupFile) info, err := os.Stat(backupFile)
if err != nil { if err != nil {
return fmt.Errorf("failed to stat backup file: %w", err) return fmt.Errorf("failed to stat backup file: %w", err)
} }
// Calculate SHA-256 checksum // Calculate SHA-256 checksum
sha256, err := metadata.CalculateSHA256(backupFile) sha256, err := metadata.CalculateSHA256(backupFile)
if err != nil { if err != nil {
return fmt.Errorf("failed to calculate checksum: %w", err) return fmt.Errorf("failed to calculate checksum: %w", err)
} }
// Get database version // Get database version
ctx := context.Background() ctx := context.Background()
dbVersion, _ := e.db.GetVersion(ctx) dbVersion, _ := e.db.GetVersion(ctx)
if dbVersion == "" { if dbVersion == "" {
dbVersion = "unknown" dbVersion = "unknown"
} }
// Determine compression format // Determine compression format
compressionFormat := "none" compressionFormat := "none"
if e.cfg.CompressionLevel > 0 { if e.cfg.CompressionLevel > 0 {
@@ -954,7 +954,7 @@ func (e *Engine) createMetadata(backupFile, database, backupType, strategy strin
compressionFormat = fmt.Sprintf("gzip-%d", e.cfg.CompressionLevel) compressionFormat = fmt.Sprintf("gzip-%d", e.cfg.CompressionLevel)
} }
} }
// Create backup metadata // Create backup metadata
meta := &metadata.BackupMetadata{ meta := &metadata.BackupMetadata{
Version: "2.0", Version: "2.0",
@@ -973,18 +973,18 @@ func (e *Engine) createMetadata(backupFile, database, backupType, strategy strin
Duration: time.Since(startTime).Seconds(), Duration: time.Since(startTime).Seconds(),
ExtraInfo: make(map[string]string), ExtraInfo: make(map[string]string),
} }
// Add strategy for sample backups // Add strategy for sample backups
if strategy != "" { if strategy != "" {
meta.ExtraInfo["sample_strategy"] = strategy meta.ExtraInfo["sample_strategy"] = strategy
meta.ExtraInfo["sample_value"] = fmt.Sprintf("%d", e.cfg.SampleValue) meta.ExtraInfo["sample_value"] = fmt.Sprintf("%d", e.cfg.SampleValue)
} }
// Save metadata // Save metadata
if err := meta.Save(); err != nil { if err := meta.Save(); err != nil {
return fmt.Errorf("failed to save metadata: %w", err) return fmt.Errorf("failed to save metadata: %w", err)
} }
// Also save legacy .info file for backward compatibility // Also save legacy .info file for backward compatibility
legacyMetaFile := backupFile + ".info" legacyMetaFile := backupFile + ".info"
legacyContent := fmt.Sprintf(`{ legacyContent := fmt.Sprintf(`{
@@ -998,39 +998,39 @@ func (e *Engine) createMetadata(backupFile, database, backupType, strategy strin
"compression": %d, "compression": %d,
"size_bytes": %d "size_bytes": %d
}`, backupType, database, startTime.Format("20060102_150405"), }`, backupType, database, startTime.Format("20060102_150405"),
e.cfg.Host, e.cfg.Port, e.cfg.User, e.cfg.DatabaseType, e.cfg.Host, e.cfg.Port, e.cfg.User, e.cfg.DatabaseType,
e.cfg.CompressionLevel, info.Size()) e.cfg.CompressionLevel, info.Size())
if err := os.WriteFile(legacyMetaFile, []byte(legacyContent), 0644); err != nil { if err := os.WriteFile(legacyMetaFile, []byte(legacyContent), 0644); err != nil {
e.log.Warn("Failed to save legacy metadata file", "error", err) e.log.Warn("Failed to save legacy metadata file", "error", err)
} }
return nil return nil
} }
// createClusterMetadata creates metadata for cluster backups // createClusterMetadata creates metadata for cluster backups
func (e *Engine) createClusterMetadata(backupFile string, databases []string, successCount, failCount int) error { func (e *Engine) createClusterMetadata(backupFile string, databases []string, successCount, failCount int) error {
startTime := time.Now() startTime := time.Now()
// Get backup file information // Get backup file information
info, err := os.Stat(backupFile) info, err := os.Stat(backupFile)
if err != nil { if err != nil {
return fmt.Errorf("failed to stat backup file: %w", err) return fmt.Errorf("failed to stat backup file: %w", err)
} }
// Calculate SHA-256 checksum for archive // Calculate SHA-256 checksum for archive
sha256, err := metadata.CalculateSHA256(backupFile) sha256, err := metadata.CalculateSHA256(backupFile)
if err != nil { if err != nil {
return fmt.Errorf("failed to calculate checksum: %w", err) return fmt.Errorf("failed to calculate checksum: %w", err)
} }
// Get database version // Get database version
ctx := context.Background() ctx := context.Background()
dbVersion, _ := e.db.GetVersion(ctx) dbVersion, _ := e.db.GetVersion(ctx)
if dbVersion == "" { if dbVersion == "" {
dbVersion = "unknown" dbVersion = "unknown"
} }
// Create cluster metadata // Create cluster metadata
clusterMeta := &metadata.ClusterMetadata{ clusterMeta := &metadata.ClusterMetadata{
Version: "2.0", Version: "2.0",
@@ -1050,7 +1050,7 @@ func (e *Engine) createClusterMetadata(backupFile string, databases []string, su
"database_version": dbVersion, "database_version": dbVersion,
}, },
} }
// Add database names to metadata // Add database names to metadata
for _, dbName := range databases { for _, dbName := range databases {
dbMeta := metadata.BackupMetadata{ dbMeta := metadata.BackupMetadata{
@@ -1061,12 +1061,12 @@ func (e *Engine) createClusterMetadata(backupFile string, databases []string, su
} }
clusterMeta.Databases = append(clusterMeta.Databases, dbMeta) clusterMeta.Databases = append(clusterMeta.Databases, dbMeta)
} }
// Save cluster metadata // Save cluster metadata
if err := clusterMeta.Save(backupFile); err != nil { if err := clusterMeta.Save(backupFile); err != nil {
return fmt.Errorf("failed to save cluster metadata: %w", err) return fmt.Errorf("failed to save cluster metadata: %w", err)
} }
// Also save legacy .info file for backward compatibility // Also save legacy .info file for backward compatibility
legacyMetaFile := backupFile + ".info" legacyMetaFile := backupFile + ".info"
legacyContent := fmt.Sprintf(`{ legacyContent := fmt.Sprintf(`{
@@ -1085,18 +1085,18 @@ func (e *Engine) createClusterMetadata(backupFile string, databases []string, su
}`, startTime.Format("20060102_150405"), }`, startTime.Format("20060102_150405"),
e.cfg.Host, e.cfg.Port, e.cfg.User, e.cfg.DatabaseType, e.cfg.Host, e.cfg.Port, e.cfg.User, e.cfg.DatabaseType,
e.cfg.CompressionLevel, info.Size(), len(databases), successCount, failCount) e.cfg.CompressionLevel, info.Size(), len(databases), successCount, failCount)
if err := os.WriteFile(legacyMetaFile, []byte(legacyContent), 0644); err != nil { if err := os.WriteFile(legacyMetaFile, []byte(legacyContent), 0644); err != nil {
e.log.Warn("Failed to save legacy cluster metadata file", "error", err) e.log.Warn("Failed to save legacy cluster metadata file", "error", err)
} }
return nil return nil
} }
// uploadToCloud uploads a backup file to cloud storage // uploadToCloud uploads a backup file to cloud storage
func (e *Engine) uploadToCloud(ctx context.Context, backupFile string, tracker *progress.OperationTracker) error { func (e *Engine) uploadToCloud(ctx context.Context, backupFile string, tracker *progress.OperationTracker) error {
uploadStep := tracker.AddStep("cloud_upload", "Uploading to cloud storage") uploadStep := tracker.AddStep("cloud_upload", "Uploading to cloud storage")
// Create cloud backend // Create cloud backend
cloudCfg := &cloud.Config{ cloudCfg := &cloud.Config{
Provider: e.cfg.CloudProvider, Provider: e.cfg.CloudProvider,
@@ -1111,23 +1111,23 @@ func (e *Engine) uploadToCloud(ctx context.Context, backupFile string, tracker *
Timeout: 300, Timeout: 300,
MaxRetries: 3, MaxRetries: 3,
} }
backend, err := cloud.NewBackend(cloudCfg) backend, err := cloud.NewBackend(cloudCfg)
if err != nil { if err != nil {
uploadStep.Fail(fmt.Errorf("failed to create cloud backend: %w", err)) uploadStep.Fail(fmt.Errorf("failed to create cloud backend: %w", err))
return err return err
} }
// Get file info // Get file info
info, err := os.Stat(backupFile) info, err := os.Stat(backupFile)
if err != nil { if err != nil {
uploadStep.Fail(fmt.Errorf("failed to stat backup file: %w", err)) uploadStep.Fail(fmt.Errorf("failed to stat backup file: %w", err))
return err return err
} }
filename := filepath.Base(backupFile) filename := filepath.Base(backupFile)
e.log.Info("Uploading backup to cloud", "file", filename, "size", cloud.FormatSize(info.Size())) e.log.Info("Uploading backup to cloud", "file", filename, "size", cloud.FormatSize(info.Size()))
// Progress callback // Progress callback
var lastPercent int var lastPercent int
progressCallback := func(transferred, total int64) { progressCallback := func(transferred, total int64) {
@@ -1137,14 +1137,14 @@ func (e *Engine) uploadToCloud(ctx context.Context, backupFile string, tracker *
lastPercent = percent lastPercent = percent
} }
} }
// Upload to cloud // Upload to cloud
err = backend.Upload(ctx, backupFile, filename, progressCallback) err = backend.Upload(ctx, backupFile, filename, progressCallback)
if err != nil { if err != nil {
uploadStep.Fail(fmt.Errorf("cloud upload failed: %w", err)) uploadStep.Fail(fmt.Errorf("cloud upload failed: %w", err))
return err return err
} }
// Also upload metadata file // Also upload metadata file
metaFile := backupFile + ".meta.json" metaFile := backupFile + ".meta.json"
if _, err := os.Stat(metaFile); err == nil { if _, err := os.Stat(metaFile); err == nil {
@@ -1154,10 +1154,10 @@ func (e *Engine) uploadToCloud(ctx context.Context, backupFile string, tracker *
// Don't fail if metadata upload fails // Don't fail if metadata upload fails
} }
} }
uploadStep.Complete(fmt.Sprintf("Uploaded to %s/%s/%s", backend.Name(), e.cfg.CloudBucket, filename)) uploadStep.Complete(fmt.Sprintf("Uploaded to %s/%s/%s", backend.Name(), e.cfg.CloudBucket, filename))
e.log.Info("Backup uploaded to cloud", "provider", backend.Name(), "bucket", e.cfg.CloudBucket, "file", filename) e.log.Info("Backup uploaded to cloud", "provider", backend.Name(), "bucket", e.cfg.CloudBucket, "file", filename)
return nil return nil
} }
@@ -1166,9 +1166,9 @@ func (e *Engine) executeCommand(ctx context.Context, cmdArgs []string, outputFil
if len(cmdArgs) == 0 { if len(cmdArgs) == 0 {
return fmt.Errorf("empty command") return fmt.Errorf("empty command")
} }
e.log.Debug("Executing backup command", "cmd", cmdArgs[0], "args", cmdArgs[1:]) e.log.Debug("Executing backup command", "cmd", cmdArgs[0], "args", cmdArgs[1:])
// Check if pg_dump will write to stdout (which means we need to handle piping to compressor). // Check if pg_dump will write to stdout (which means we need to handle piping to compressor).
// BuildBackupCommand omits --file when format==plain AND compression==0, causing pg_dump // BuildBackupCommand omits --file when format==plain AND compression==0, causing pg_dump
// to write to stdout. In that case we must pipe to external compressor. // to write to stdout. In that case we must pipe to external compressor.
@@ -1192,28 +1192,28 @@ func (e *Engine) executeCommand(ctx context.Context, cmdArgs []string, outputFil
if isPlainFormat && !hasFileFlag { if isPlainFormat && !hasFileFlag {
usesStdout = true usesStdout = true
} }
e.log.Debug("Backup command analysis", e.log.Debug("Backup command analysis",
"plain_format", isPlainFormat, "plain_format", isPlainFormat,
"has_file_flag", hasFileFlag, "has_file_flag", hasFileFlag,
"uses_stdout", usesStdout, "uses_stdout", usesStdout,
"output_file", outputFile) "output_file", outputFile)
// For MySQL, handle compression differently // For MySQL, handle compression differently
if e.cfg.IsMySQL() && e.cfg.CompressionLevel > 0 { if e.cfg.IsMySQL() && e.cfg.CompressionLevel > 0 {
return e.executeMySQLWithCompression(ctx, cmdArgs, outputFile) return e.executeMySQLWithCompression(ctx, cmdArgs, outputFile)
} }
// For plain format writing to stdout, use streaming compression // For plain format writing to stdout, use streaming compression
if usesStdout { if usesStdout {
e.log.Debug("Using streaming compression for large database") e.log.Debug("Using streaming compression for large database")
return e.executeWithStreamingCompression(ctx, cmdArgs, outputFile) return e.executeWithStreamingCompression(ctx, cmdArgs, outputFile)
} }
// For custom format, pg_dump handles everything (writes directly to file) // For custom format, pg_dump handles everything (writes directly to file)
// NO GO BUFFERING - pg_dump writes directly to disk // NO GO BUFFERING - pg_dump writes directly to disk
cmd := exec.CommandContext(ctx, cmdArgs[0], cmdArgs[1:]...) cmd := exec.CommandContext(ctx, cmdArgs[0], cmdArgs[1:]...)
// Set environment variables for database tools // Set environment variables for database tools
cmd.Env = os.Environ() cmd.Env = os.Environ()
if e.cfg.Password != "" { if e.cfg.Password != "" {
@@ -1223,18 +1223,18 @@ func (e *Engine) executeCommand(ctx context.Context, cmdArgs []string, outputFil
cmd.Env = append(cmd.Env, "MYSQL_PWD="+e.cfg.Password) cmd.Env = append(cmd.Env, "MYSQL_PWD="+e.cfg.Password)
} }
} }
// Stream stderr to avoid memory issues with large databases // Stream stderr to avoid memory issues with large databases
stderr, err := cmd.StderrPipe() stderr, err := cmd.StderrPipe()
if err != nil { if err != nil {
return fmt.Errorf("failed to create stderr pipe: %w", err) return fmt.Errorf("failed to create stderr pipe: %w", err)
} }
// Start the command // Start the command
if err := cmd.Start(); err != nil { if err := cmd.Start(); err != nil {
return fmt.Errorf("failed to start backup command: %w", err) return fmt.Errorf("failed to start backup command: %w", err)
} }
// Stream stderr output (don't buffer it all in memory) // Stream stderr output (don't buffer it all in memory)
go func() { go func() {
scanner := bufio.NewScanner(stderr) scanner := bufio.NewScanner(stderr)
@@ -1246,13 +1246,13 @@ func (e *Engine) executeCommand(ctx context.Context, cmdArgs []string, outputFil
} }
} }
}() }()
// Wait for command to complete // Wait for command to complete
if err := cmd.Wait(); err != nil { if err := cmd.Wait(); err != nil {
e.log.Error("Backup command failed", "error", err, "database", filepath.Base(outputFile)) e.log.Error("Backup command failed", "error", err, "database", filepath.Base(outputFile))
return fmt.Errorf("backup command failed: %w", err) return fmt.Errorf("backup command failed: %w", err)
} }
return nil return nil
} }
@@ -1260,7 +1260,7 @@ func (e *Engine) executeCommand(ctx context.Context, cmdArgs []string, outputFil
// Uses: pg_dump | pigz > file.sql.gz (zero-copy streaming) // Uses: pg_dump | pigz > file.sql.gz (zero-copy streaming)
func (e *Engine) executeWithStreamingCompression(ctx context.Context, cmdArgs []string, outputFile string) error { func (e *Engine) executeWithStreamingCompression(ctx context.Context, cmdArgs []string, outputFile string) error {
e.log.Debug("Using streaming compression for large database") e.log.Debug("Using streaming compression for large database")
// Derive compressed output filename. If the output was named *.dump we replace that // Derive compressed output filename. If the output was named *.dump we replace that
// with *.sql.gz; otherwise append .gz to the provided output file so we don't // with *.sql.gz; otherwise append .gz to the provided output file so we don't
// accidentally create unwanted double extensions. // accidentally create unwanted double extensions.
@@ -1273,43 +1273,43 @@ func (e *Engine) executeWithStreamingCompression(ctx context.Context, cmdArgs []
} else { } else {
compressedFile = outputFile + ".gz" compressedFile = outputFile + ".gz"
} }
// Create pg_dump command // Create pg_dump command
dumpCmd := exec.CommandContext(ctx, cmdArgs[0], cmdArgs[1:]...) dumpCmd := exec.CommandContext(ctx, cmdArgs[0], cmdArgs[1:]...)
dumpCmd.Env = os.Environ() dumpCmd.Env = os.Environ()
if e.cfg.Password != "" && e.cfg.IsPostgreSQL() { if e.cfg.Password != "" && e.cfg.IsPostgreSQL() {
dumpCmd.Env = append(dumpCmd.Env, "PGPASSWORD="+e.cfg.Password) dumpCmd.Env = append(dumpCmd.Env, "PGPASSWORD="+e.cfg.Password)
} }
// Check for pigz (parallel gzip) // Check for pigz (parallel gzip)
compressor := "gzip" compressor := "gzip"
compressorArgs := []string{"-c"} compressorArgs := []string{"-c"}
if _, err := exec.LookPath("pigz"); err == nil { if _, err := exec.LookPath("pigz"); err == nil {
compressor = "pigz" compressor = "pigz"
compressorArgs = []string{"-p", strconv.Itoa(e.cfg.Jobs), "-c"} compressorArgs = []string{"-p", strconv.Itoa(e.cfg.Jobs), "-c"}
e.log.Debug("Using pigz for parallel compression", "threads", e.cfg.Jobs) e.log.Debug("Using pigz for parallel compression", "threads", e.cfg.Jobs)
} }
// Create compression command // Create compression command
compressCmd := exec.CommandContext(ctx, compressor, compressorArgs...) compressCmd := exec.CommandContext(ctx, compressor, compressorArgs...)
// Create output file // Create output file
outFile, err := os.Create(compressedFile) outFile, err := os.Create(compressedFile)
if err != nil { if err != nil {
return fmt.Errorf("failed to create output file: %w", err) return fmt.Errorf("failed to create output file: %w", err)
} }
defer outFile.Close() defer outFile.Close()
// Set up pipeline: pg_dump | pigz > file.sql.gz // Set up pipeline: pg_dump | pigz > file.sql.gz
dumpStdout, err := dumpCmd.StdoutPipe() dumpStdout, err := dumpCmd.StdoutPipe()
if err != nil { if err != nil {
return fmt.Errorf("failed to create dump stdout pipe: %w", err) return fmt.Errorf("failed to create dump stdout pipe: %w", err)
} }
compressCmd.Stdin = dumpStdout compressCmd.Stdin = dumpStdout
compressCmd.Stdout = outFile compressCmd.Stdout = outFile
// Capture stderr from both commands // Capture stderr from both commands
dumpStderr, err := dumpCmd.StderrPipe() dumpStderr, err := dumpCmd.StderrPipe()
if err != nil { if err != nil {
@@ -1319,7 +1319,7 @@ func (e *Engine) executeWithStreamingCompression(ctx context.Context, cmdArgs []
if err != nil { if err != nil {
e.log.Warn("Failed to capture compress stderr", "error", err) e.log.Warn("Failed to capture compress stderr", "error", err)
} }
// Stream stderr output // Stream stderr output
if dumpStderr != nil { if dumpStderr != nil {
go func() { go func() {
@@ -1332,7 +1332,7 @@ func (e *Engine) executeWithStreamingCompression(ctx context.Context, cmdArgs []
} }
}() }()
} }
if compressStderr != nil { if compressStderr != nil {
go func() { go func() {
scanner := bufio.NewScanner(compressStderr) scanner := bufio.NewScanner(compressStderr)
@@ -1344,30 +1344,30 @@ func (e *Engine) executeWithStreamingCompression(ctx context.Context, cmdArgs []
} }
}() }()
} }
// Start compression first // Start compression first
if err := compressCmd.Start(); err != nil { if err := compressCmd.Start(); err != nil {
return fmt.Errorf("failed to start compressor: %w", err) return fmt.Errorf("failed to start compressor: %w", err)
} }
// Then start pg_dump // Then start pg_dump
if err := dumpCmd.Start(); err != nil { if err := dumpCmd.Start(); err != nil {
return fmt.Errorf("failed to start pg_dump: %w", err) return fmt.Errorf("failed to start pg_dump: %w", err)
} }
// Wait for pg_dump to complete // Wait for pg_dump to complete
if err := dumpCmd.Wait(); err != nil { if err := dumpCmd.Wait(); err != nil {
return fmt.Errorf("pg_dump failed: %w", err) return fmt.Errorf("pg_dump failed: %w", err)
} }
// Close stdout pipe to signal compressor we're done // Close stdout pipe to signal compressor we're done
dumpStdout.Close() dumpStdout.Close()
// Wait for compression to complete // Wait for compression to complete
if err := compressCmd.Wait(); err != nil { if err := compressCmd.Wait(); err != nil {
return fmt.Errorf("compression failed: %w", err) return fmt.Errorf("compression failed: %w", err)
} }
e.log.Debug("Streaming compression completed", "output", compressedFile) e.log.Debug("Streaming compression completed", "output", compressedFile)
return nil return nil
} }
@@ -1384,4 +1384,4 @@ func formatBytes(bytes int64) string {
exp++ exp++
} }
return fmt.Sprintf("%.1f %cB", float64(bytes)/float64(div), "KMGTPE"[exp]) return fmt.Sprintf("%.1f %cB", float64(bytes)/float64(div), "KMGTPE"[exp])
} }

36
internal/backup/incremental.go
View File

@@ -17,19 +17,19 @@ const (
type IncrementalMetadata struct { type IncrementalMetadata struct {
// BaseBackupID is the SHA-256 checksum of the base backup this incremental depends on // BaseBackupID is the SHA-256 checksum of the base backup this incremental depends on
BaseBackupID string `json:"base_backup_id"` BaseBackupID string `json:"base_backup_id"`
// BaseBackupPath is the filename of the base backup (e.g., "mydb_20250126_120000.tar.gz") // BaseBackupPath is the filename of the base backup (e.g., "mydb_20250126_120000.tar.gz")
BaseBackupPath string `json:"base_backup_path"` BaseBackupPath string `json:"base_backup_path"`
// BaseBackupTimestamp is when the base backup was created // BaseBackupTimestamp is when the base backup was created
BaseBackupTimestamp time.Time `json:"base_backup_timestamp"` BaseBackupTimestamp time.Time `json:"base_backup_timestamp"`
// IncrementalFiles is the number of changed files included in this backup // IncrementalFiles is the number of changed files included in this backup
IncrementalFiles int `json:"incremental_files"` IncrementalFiles int `json:"incremental_files"`
// TotalSize is the total size of changed files (bytes) // TotalSize is the total size of changed files (bytes)
TotalSize int64 `json:"total_size"` TotalSize int64 `json:"total_size"`
// BackupChain is the list of all backups needed for restore (base + incrementals) // BackupChain is the list of all backups needed for restore (base + incrementals)
// Ordered from oldest to newest: [base, incr1, incr2, ...] // Ordered from oldest to newest: [base, incr1, incr2, ...]
BackupChain []string `json:"backup_chain"` BackupChain []string `json:"backup_chain"`
@@ -39,16 +39,16 @@ type IncrementalMetadata struct {
type ChangedFile struct { type ChangedFile struct {
// RelativePath is the path relative to PostgreSQL data directory // RelativePath is the path relative to PostgreSQL data directory
RelativePath string RelativePath string
// AbsolutePath is the full filesystem path // AbsolutePath is the full filesystem path
AbsolutePath string AbsolutePath string
// Size is the file size in bytes // Size is the file size in bytes
Size int64 Size int64
// ModTime is the last modification time // ModTime is the last modification time
ModTime time.Time ModTime time.Time
// Checksum is the SHA-256 hash of the file content (optional) // Checksum is the SHA-256 hash of the file content (optional)
Checksum string Checksum string
} }
@@ -57,13 +57,13 @@ type ChangedFile struct {
type IncrementalBackupConfig struct { type IncrementalBackupConfig struct {
// BaseBackupPath is the path to the base backup archive // BaseBackupPath is the path to the base backup archive
BaseBackupPath string BaseBackupPath string
// DataDirectory is the PostgreSQL data directory to scan // DataDirectory is the PostgreSQL data directory to scan
DataDirectory string DataDirectory string
// IncludeWAL determines if WAL files should be included // IncludeWAL determines if WAL files should be included
IncludeWAL bool IncludeWAL bool
// CompressionLevel for the incremental archive (0-9) // CompressionLevel for the incremental archive (0-9)
CompressionLevel int CompressionLevel int
} }
@@ -72,11 +72,11 @@ type IncrementalBackupConfig struct {
type BackupChainResolver interface { type BackupChainResolver interface {
// FindBaseBackup locates the base backup for an incremental backup // FindBaseBackup locates the base backup for an incremental backup
FindBaseBackup(ctx context.Context, incrementalBackupID string) (*BackupInfo, error) FindBaseBackup(ctx context.Context, incrementalBackupID string) (*BackupInfo, error)
// ResolveChain returns the complete chain of backups needed for restore // ResolveChain returns the complete chain of backups needed for restore
// Returned in order: [base, incr1, incr2, ..., target] // Returned in order: [base, incr1, incr2, ..., target]
ResolveChain(ctx context.Context, targetBackupID string) ([]*BackupInfo, error) ResolveChain(ctx context.Context, targetBackupID string) ([]*BackupInfo, error)
// ValidateChain verifies all backups in the chain exist and are valid // ValidateChain verifies all backups in the chain exist and are valid
ValidateChain(ctx context.Context, chain []*BackupInfo) error ValidateChain(ctx context.Context, chain []*BackupInfo) error
} }
@@ -85,10 +85,10 @@ type BackupChainResolver interface {
type IncrementalBackupEngine interface { type IncrementalBackupEngine interface {
// FindChangedFiles identifies files changed since the base backup // FindChangedFiles identifies files changed since the base backup
FindChangedFiles(ctx context.Context, config *IncrementalBackupConfig) ([]ChangedFile, error) FindChangedFiles(ctx context.Context, config *IncrementalBackupConfig) ([]ChangedFile, error)
// CreateIncrementalBackup creates a new incremental backup // CreateIncrementalBackup creates a new incremental backup
CreateIncrementalBackup(ctx context.Context, config *IncrementalBackupConfig, changedFiles []ChangedFile) error CreateIncrementalBackup(ctx context.Context, config *IncrementalBackupConfig, changedFiles []ChangedFile) error
// RestoreIncremental restores an incremental backup on top of a base backup // RestoreIncremental restores an incremental backup on top of a base backup
RestoreIncremental(ctx context.Context, baseBackupPath, incrementalPath, targetDir string) error RestoreIncremental(ctx context.Context, baseBackupPath, incrementalPath, targetDir string) error
} }
@@ -101,8 +101,8 @@ type BackupInfo struct {
Timestamp time.Time `json:"timestamp"` Timestamp time.Time `json:"timestamp"`
Size int64 `json:"size"` Size int64 `json:"size"`
Checksum string `json:"checksum"` Checksum string `json:"checksum"`
// New fields for incremental support // New fields for incremental support
BackupType BackupType `json:"backup_type"` // "full" or "incremental" BackupType BackupType `json:"backup_type"` // "full" or "incremental"
Incremental *IncrementalMetadata `json:"incremental,omitempty"` // Only present for incremental backups Incremental *IncrementalMetadata `json:"incremental,omitempty"` // Only present for incremental backups
} }

32
internal/backup/incremental_mysql.go
View File

@@ -42,7 +42,7 @@ func (e *MySQLIncrementalEngine) FindChangedFiles(ctx context.Context, config *I
return nil, fmt.Errorf("failed to load base backup info: %w", err) return nil, fmt.Errorf("failed to load base backup info: %w", err)
} }
// Validate base backup is full backup // Validate base backup is full backup
if baseInfo.BackupType != "" && baseInfo.BackupType != "full" { if baseInfo.BackupType != "" && baseInfo.BackupType != "full" {
return nil, fmt.Errorf("base backup must be a full backup, got: %s", baseInfo.BackupType) return nil, fmt.Errorf("base backup must be a full backup, got: %s", baseInfo.BackupType)
} }
@@ -52,7 +52,7 @@ func (e *MySQLIncrementalEngine) FindChangedFiles(ctx context.Context, config *I
// Scan data directory for changed files // Scan data directory for changed files
var changedFiles []ChangedFile var changedFiles []ChangedFile
err = filepath.Walk(config.DataDirectory, func(path string, info os.FileInfo, err error) error { err = filepath.Walk(config.DataDirectory, func(path string, info os.FileInfo, err error) error {
if err != nil { if err != nil {
return err return err
@@ -199,7 +199,7 @@ func (e *MySQLIncrementalEngine) CreateIncrementalBackup(ctx context.Context, co
// Generate output filename: dbname_incr_TIMESTAMP.tar.gz // Generate output filename: dbname_incr_TIMESTAMP.tar.gz
timestamp := time.Now().Format("20060102_150405") timestamp := time.Now().Format("20060102_150405")
outputFile := filepath.Join(filepath.Dir(config.BaseBackupPath), outputFile := filepath.Join(filepath.Dir(config.BaseBackupPath),
fmt.Sprintf("%s_incr_%s.tar.gz", baseInfo.Database, timestamp)) fmt.Sprintf("%s_incr_%s.tar.gz", baseInfo.Database, timestamp))
e.log.Info("Creating incremental archive", "output", outputFile) e.log.Info("Creating incremental archive", "output", outputFile)
@@ -229,19 +229,19 @@ func (e *MySQLIncrementalEngine) CreateIncrementalBackup(ctx context.Context, co
// Create incremental metadata // Create incremental metadata
metadata := &metadata.BackupMetadata{ metadata := &metadata.BackupMetadata{
Version: "2.3.0", Version: "2.3.0",
Timestamp: time.Now(), Timestamp: time.Now(),
Database: baseInfo.Database, Database: baseInfo.Database,
DatabaseType: baseInfo.DatabaseType, DatabaseType: baseInfo.DatabaseType,
Host: baseInfo.Host, Host: baseInfo.Host,
Port: baseInfo.Port, Port: baseInfo.Port,
User: baseInfo.User, User: baseInfo.User,
BackupFile: outputFile, BackupFile: outputFile,
SizeBytes: stat.Size(), SizeBytes: stat.Size(),
SHA256: checksum, SHA256: checksum,
Compression: "gzip", Compression: "gzip",
BackupType: "incremental", BackupType: "incremental",
BaseBackup: filepath.Base(config.BaseBackupPath), BaseBackup: filepath.Base(config.BaseBackupPath),
Incremental: &metadata.IncrementalMetadata{ Incremental: &metadata.IncrementalMetadata{
BaseBackupID: baseInfo.SHA256, BaseBackupID: baseInfo.SHA256,
BaseBackupPath: filepath.Base(config.BaseBackupPath), BaseBackupPath: filepath.Base(config.BaseBackupPath),

38
internal/backup/incremental_postgres.go
View File

@@ -40,7 +40,7 @@ func (e *PostgresIncrementalEngine) FindChangedFiles(ctx context.Context, config
return nil, fmt.Errorf("failed to load base backup info: %w", err) return nil, fmt.Errorf("failed to load base backup info: %w", err)
} }
// Validate base backup is full backup // Validate base backup is full backup
if baseInfo.BackupType != "" && baseInfo.BackupType != "full" { if baseInfo.BackupType != "" && baseInfo.BackupType != "full" {
return nil, fmt.Errorf("base backup must be a full backup, got: %s", baseInfo.BackupType) return nil, fmt.Errorf("base backup must be a full backup, got: %s", baseInfo.BackupType)
} }
@@ -50,7 +50,7 @@ func (e *PostgresIncrementalEngine) FindChangedFiles(ctx context.Context, config
// Scan data directory for changed files // Scan data directory for changed files
var changedFiles []ChangedFile var changedFiles []ChangedFile
err = filepath.Walk(config.DataDirectory, func(path string, info os.FileInfo, err error) error { err = filepath.Walk(config.DataDirectory, func(path string, info os.FileInfo, err error) error {
if err != nil { if err != nil {
return err return err
@@ -160,7 +160,7 @@ func (e *PostgresIncrementalEngine) CreateIncrementalBackup(ctx context.Context,
// Generate output filename: dbname_incr_TIMESTAMP.tar.gz // Generate output filename: dbname_incr_TIMESTAMP.tar.gz
timestamp := time.Now().Format("20060102_150405") timestamp := time.Now().Format("20060102_150405")
outputFile := filepath.Join(filepath.Dir(config.BaseBackupPath), outputFile := filepath.Join(filepath.Dir(config.BaseBackupPath),
fmt.Sprintf("%s_incr_%s.tar.gz", baseInfo.Database, timestamp)) fmt.Sprintf("%s_incr_%s.tar.gz", baseInfo.Database, timestamp))
e.log.Info("Creating incremental archive", "output", outputFile) e.log.Info("Creating incremental archive", "output", outputFile)
@@ -190,19 +190,19 @@ func (e *PostgresIncrementalEngine) CreateIncrementalBackup(ctx context.Context,
// Create incremental metadata // Create incremental metadata
metadata := &metadata.BackupMetadata{ metadata := &metadata.BackupMetadata{
Version: "2.2.0", Version: "2.2.0",
Timestamp: time.Now(), Timestamp: time.Now(),
Database: baseInfo.Database, Database: baseInfo.Database,
DatabaseType: baseInfo.DatabaseType, DatabaseType: baseInfo.DatabaseType,
Host: baseInfo.Host, Host: baseInfo.Host,
Port: baseInfo.Port, Port: baseInfo.Port,
User: baseInfo.User, User: baseInfo.User,
BackupFile: outputFile, BackupFile: outputFile,
SizeBytes: stat.Size(), SizeBytes: stat.Size(),
SHA256: checksum, SHA256: checksum,
Compression: "gzip", Compression: "gzip",
BackupType: "incremental", BackupType: "incremental",
BaseBackup: filepath.Base(config.BaseBackupPath), BaseBackup: filepath.Base(config.BaseBackupPath),
Incremental: &metadata.IncrementalMetadata{ Incremental: &metadata.IncrementalMetadata{
BaseBackupID: baseInfo.SHA256, BaseBackupID: baseInfo.SHA256,
BaseBackupPath: filepath.Base(config.BaseBackupPath), BaseBackupPath: filepath.Base(config.BaseBackupPath),
@@ -329,7 +329,7 @@ func (e *PostgresIncrementalEngine) CalculateFileChecksum(path string) (string,
// buildBackupChain constructs the backup chain from base backup to current incremental // buildBackupChain constructs the backup chain from base backup to current incremental
func buildBackupChain(baseInfo *metadata.BackupMetadata, currentBackup string) []string { func buildBackupChain(baseInfo *metadata.BackupMetadata, currentBackup string) []string {
chain := []string{} chain := []string{}
// If base backup has a chain (is itself incremental), use that // If base backup has a chain (is itself incremental), use that
if baseInfo.Incremental != nil && len(baseInfo.Incremental.BackupChain) > 0 { if baseInfo.Incremental != nil && len(baseInfo.Incremental.BackupChain) > 0 {
chain = append(chain, baseInfo.Incremental.BackupChain...) chain = append(chain, baseInfo.Incremental.BackupChain...)
@@ -337,9 +337,9 @@ func buildBackupChain(baseInfo *metadata.BackupMetadata, currentBackup string) [
// Base is a full backup, start chain with it // Base is a full backup, start chain with it
chain = append(chain, filepath.Base(baseInfo.BackupFile)) chain = append(chain, filepath.Base(baseInfo.BackupFile))
} }
// Add current incremental to chain // Add current incremental to chain
chain = append(chain, currentBackup) chain = append(chain, currentBackup)
return chain return chain
} }

10
internal/backup/incremental_test.go
View File

@@ -67,7 +67,7 @@ func TestIncrementalBackupRestore(t *testing.T) {
// Step 2: Create base (full) backup // Step 2: Create base (full) backup
t.Log("Step 2: Creating base backup...") t.Log("Step 2: Creating base backup...")
baseBackupPath := filepath.Join(backupDir, "testdb_base.tar.gz") baseBackupPath := filepath.Join(backupDir, "testdb_base.tar.gz")
// Manually create base backup for testing // Manually create base backup for testing
baseConfig := &IncrementalBackupConfig{ baseConfig := &IncrementalBackupConfig{
DataDirectory: dataDir, DataDirectory: dataDir,
@@ -192,7 +192,7 @@ func TestIncrementalBackupRestore(t *testing.T) {
var incrementalBackupPath string var incrementalBackupPath string
for _, entry := range entries { for _, entry := range entries {
if !entry.IsDir() && filepath.Ext(entry.Name()) == ".gz" && if !entry.IsDir() && filepath.Ext(entry.Name()) == ".gz" &&
entry.Name() != filepath.Base(baseBackupPath) { entry.Name() != filepath.Base(baseBackupPath) {
incrementalBackupPath = filepath.Join(backupDir, entry.Name()) incrementalBackupPath = filepath.Join(backupDir, entry.Name())
break break
@@ -209,7 +209,7 @@ func TestIncrementalBackupRestore(t *testing.T) {
incrStat, _ := os.Stat(incrementalBackupPath) incrStat, _ := os.Stat(incrementalBackupPath)
t.Logf("Base backup size: %d bytes", baseStat.Size()) t.Logf("Base backup size: %d bytes", baseStat.Size())
t.Logf("Incremental backup size: %d bytes", incrStat.Size()) t.Logf("Incremental backup size: %d bytes", incrStat.Size())
// Note: For tiny test files, incremental might be larger due to tar.gz overhead // Note: For tiny test files, incremental might be larger due to tar.gz overhead
// In real-world scenarios with larger files, incremental would be much smaller // In real-world scenarios with larger files, incremental would be much smaller
t.Logf("Incremental contains %d changed files out of %d total", t.Logf("Incremental contains %d changed files out of %d total",
@@ -273,7 +273,7 @@ func TestIncrementalBackupErrors(t *testing.T) {
// Create a dummy base backup // Create a dummy base backup
baseBackupPath := filepath.Join(tempDir, "base.tar.gz") baseBackupPath := filepath.Join(tempDir, "base.tar.gz")
os.WriteFile(baseBackupPath, []byte("dummy"), 0644) os.WriteFile(baseBackupPath, []byte("dummy"), 0644)
// Create metadata with current timestamp // Create metadata with current timestamp
baseMetadata := createTestMetadata("testdb", baseBackupPath, 100, "dummychecksum", "full", nil) baseMetadata := createTestMetadata("testdb", baseBackupPath, 100, "dummychecksum", "full", nil)
saveTestMetadata(baseBackupPath, baseMetadata) saveTestMetadata(baseBackupPath, baseMetadata)
@@ -333,7 +333,7 @@ func saveTestMetadata(backupPath string, metadata map[string]interface{}) error
metadata["timestamp"], metadata["timestamp"],
metadata["backup_type"], metadata["backup_type"],
) )
_, err = file.WriteString(content) _, err = file.WriteString(content)
return err return err
} }

12
internal/checks/cache.go
View File

@@ -23,7 +23,7 @@ func NewDiskSpaceCache(ttl time.Duration) *DiskSpaceCache {
if ttl <= 0 { if ttl <= 0 {
ttl = 30 * time.Second // Default 30 second cache ttl = 30 * time.Second // Default 30 second cache
} }
return &DiskSpaceCache{ return &DiskSpaceCache{
cache: make(map[string]*cacheEntry), cache: make(map[string]*cacheEntry),
cacheTTL: ttl, cacheTTL: ttl,
@@ -40,17 +40,17 @@ func (c *DiskSpaceCache) Get(path string) *DiskSpaceCheck {
} }
} }
c.mu.RUnlock() c.mu.RUnlock()
// Cache miss or expired - perform new check // Cache miss or expired - perform new check
check := CheckDiskSpace(path) check := CheckDiskSpace(path)
c.mu.Lock() c.mu.Lock()
c.cache[path] = &cacheEntry{ c.cache[path] = &cacheEntry{
check: check, check: check,
timestamp: time.Now(), timestamp: time.Now(),
} }
c.mu.Unlock() c.mu.Unlock()
return check return check
} }
@@ -65,7 +65,7 @@ func (c *DiskSpaceCache) Clear() {
func (c *DiskSpaceCache) Cleanup() { func (c *DiskSpaceCache) Cleanup() {
c.mu.Lock() c.mu.Lock()
defer c.mu.Unlock() defer c.mu.Unlock()
now := time.Now() now := time.Now()
for path, entry := range c.cache { for path, entry := range c.cache {
if now.Sub(entry.timestamp) >= c.cacheTTL { if now.Sub(entry.timestamp) >= c.cacheTTL {
@@ -80,4 +80,4 @@ var globalDiskCache = NewDiskSpaceCache(30 * time.Second)
// CheckDiskSpaceCached performs cached disk space check // CheckDiskSpaceCached performs cached disk space check
func CheckDiskSpaceCached(path string) *DiskSpaceCheck { func CheckDiskSpaceCached(path string) *DiskSpaceCheck {
return globalDiskCache.Get(path) return globalDiskCache.Get(path)
} }

8
internal/checks/disk_check.go
View File

@@ -54,7 +54,7 @@ func CheckDiskSpace(path string) *DiskSpaceCheck {
func CheckDiskSpaceForRestore(path string, archiveSize int64) *DiskSpaceCheck { func CheckDiskSpaceForRestore(path string, archiveSize int64) *DiskSpaceCheck {
check := CheckDiskSpace(path) check := CheckDiskSpace(path)
requiredBytes := uint64(archiveSize) * 4 // Account for decompression requiredBytes := uint64(archiveSize) * 4 // Account for decompression
// Override status based on required space // Override status based on required space
if check.AvailableBytes < requiredBytes { if check.AvailableBytes < requiredBytes {
check.Critical = true check.Critical = true
@@ -64,7 +64,7 @@ func CheckDiskSpaceForRestore(path string, archiveSize int64) *DiskSpaceCheck {
check.Warning = true check.Warning = true
check.Sufficient = false check.Sufficient = false
} }
return check return check
} }
@@ -134,7 +134,3 @@ func EstimateBackupSize(databaseSize uint64, compressionLevel int) uint64 {
// Add 10% buffer for metadata, indexes, etc. // Add 10% buffer for metadata, indexes, etc.
return uint64(float64(estimated) * 1.1) return uint64(float64(estimated) * 1.1)
} }

6
internal/checks/disk_check_bsd.go
View File

@@ -54,7 +54,7 @@ func CheckDiskSpace(path string) *DiskSpaceCheck {
func CheckDiskSpaceForRestore(path string, archiveSize int64) *DiskSpaceCheck { func CheckDiskSpaceForRestore(path string, archiveSize int64) *DiskSpaceCheck {
check := CheckDiskSpace(path) check := CheckDiskSpace(path)
requiredBytes := uint64(archiveSize) * 4 // Account for decompression requiredBytes := uint64(archiveSize) * 4 // Account for decompression
// Override status based on required space // Override status based on required space
if check.AvailableBytes < requiredBytes { if check.AvailableBytes < requiredBytes {
check.Critical = true check.Critical = true
@@ -64,7 +64,7 @@ func CheckDiskSpaceForRestore(path string, archiveSize int64) *DiskSpaceCheck {
check.Warning = true check.Warning = true
check.Sufficient = false check.Sufficient = false
} }
return check return check
} }
@@ -108,4 +108,4 @@ func FormatDiskSpaceMessage(check *DiskSpaceCheck) string {
} }
return msg return msg
} }

4
internal/checks/disk_check_netbsd.go
View File

@@ -37,7 +37,7 @@ func CheckDiskSpace(path string) *DiskSpaceCheck {
func CheckDiskSpaceForRestore(path string, archiveSize int64) *DiskSpaceCheck { func CheckDiskSpaceForRestore(path string, archiveSize int64) *DiskSpaceCheck {
check := CheckDiskSpace(path) check := CheckDiskSpace(path)
requiredBytes := uint64(archiveSize) * 4 // Account for decompression requiredBytes := uint64(archiveSize) * 4 // Account for decompression
// Override status based on required space // Override status based on required space
if check.AvailableBytes < requiredBytes { if check.AvailableBytes < requiredBytes {
check.Critical = true check.Critical = true
@@ -47,7 +47,7 @@ func CheckDiskSpaceForRestore(path string, archiveSize int64) *DiskSpaceCheck {
check.Warning = true check.Warning = true
check.Sufficient = false check.Sufficient = false
} }
return check return check
} }

7
internal/checks/disk_check_windows.go
View File

@@ -29,7 +29,7 @@ func CheckDiskSpace(path string) *DiskSpaceCheck {
// If no volume, try current directory // If no volume, try current directory
vol = "." vol = "."
} }
var freeBytesAvailable, totalNumberOfBytes, totalNumberOfFreeBytes uint64 var freeBytesAvailable, totalNumberOfBytes, totalNumberOfFreeBytes uint64
// Call Windows API // Call Windows API
@@ -73,7 +73,7 @@ func CheckDiskSpace(path string) *DiskSpaceCheck {
func CheckDiskSpaceForRestore(path string, archiveSize int64) *DiskSpaceCheck { func CheckDiskSpaceForRestore(path string, archiveSize int64) *DiskSpaceCheck {
check := CheckDiskSpace(path) check := CheckDiskSpace(path)
requiredBytes := uint64(archiveSize) * 4 // Account for decompression requiredBytes := uint64(archiveSize) * 4 // Account for decompression
// Override status based on required space // Override status based on required space
if check.AvailableBytes < requiredBytes { if check.AvailableBytes < requiredBytes {
check.Critical = true check.Critical = true
@@ -83,7 +83,7 @@ func CheckDiskSpaceForRestore(path string, archiveSize int64) *DiskSpaceCheck {
check.Warning = true check.Warning = true
check.Sufficient = false check.Sufficient = false
} }
return check return check
} }
@@ -128,4 +128,3 @@ func FormatDiskSpaceMessage(check *DiskSpaceCheck) string {
return msg return msg
} }

20
internal/checks/error_hints.go
View File

@@ -8,10 +8,10 @@ import (
// Compiled regex patterns for robust error matching // Compiled regex patterns for robust error matching
var errorPatterns = map[string]*regexp.Regexp{ var errorPatterns = map[string]*regexp.Regexp{
"already_exists": regexp.MustCompile(`(?i)(already exists|duplicate key|unique constraint|relation.*exists)`), "already_exists": regexp.MustCompile(`(?i)(already exists|duplicate key|unique constraint|relation.*exists)`),
"disk_full": regexp.MustCompile(`(?i)(no space left|disk.*full|write.*failed.*space|insufficient.*space)`), "disk_full": regexp.MustCompile(`(?i)(no space left|disk.*full|write.*failed.*space|insufficient.*space)`),
"lock_exhaustion": regexp.MustCompile(`(?i)(max_locks_per_transaction|out of shared memory|lock.*exhausted|could not open large object)`), "lock_exhaustion": regexp.MustCompile(`(?i)(max_locks_per_transaction|out of shared memory|lock.*exhausted|could not open large object)`),
"syntax_error": regexp.MustCompile(`(?i)syntax error at.*line \d+`), "syntax_error": regexp.MustCompile(`(?i)syntax error at.*line \d+`),
"permission_denied": regexp.MustCompile(`(?i)(permission denied|must be owner|access denied)`), "permission_denied": regexp.MustCompile(`(?i)(permission denied|must be owner|access denied)`),
"connection_failed": regexp.MustCompile(`(?i)(connection refused|could not connect|no pg_hba\.conf entry)`), "connection_failed": regexp.MustCompile(`(?i)(connection refused|could not connect|no pg_hba\.conf entry)`),
"version_mismatch": regexp.MustCompile(`(?i)(version mismatch|incompatible|unsupported version)`), "version_mismatch": regexp.MustCompile(`(?i)(version mismatch|incompatible|unsupported version)`),
@@ -135,9 +135,9 @@ func ClassifyError(errorMsg string) *ErrorClassification {
} }
// Lock exhaustion errors // Lock exhaustion errors
if strings.Contains(lowerMsg, "max_locks_per_transaction") || if strings.Contains(lowerMsg, "max_locks_per_transaction") ||
strings.Contains(lowerMsg, "out of shared memory") || strings.Contains(lowerMsg, "out of shared memory") ||
strings.Contains(lowerMsg, "could not open large object") { strings.Contains(lowerMsg, "could not open large object") {
return &ErrorClassification{ return &ErrorClassification{
Type: "critical", Type: "critical",
Category: "locks", Category: "locks",
@@ -173,9 +173,9 @@ func ClassifyError(errorMsg string) *ErrorClassification {
} }
// Connection errors // Connection errors
if strings.Contains(lowerMsg, "connection refused") || if strings.Contains(lowerMsg, "connection refused") ||
strings.Contains(lowerMsg, "could not connect") || strings.Contains(lowerMsg, "could not connect") ||
strings.Contains(lowerMsg, "no pg_hba.conf entry") { strings.Contains(lowerMsg, "no pg_hba.conf entry") {
return &ErrorClassification{ return &ErrorClassification{
Type: "critical", Type: "critical",
Category: "network", Category: "network",

2
internal/checks/types.go
View File

@@ -26,4 +26,4 @@ func formatBytes(bytes uint64) string {
exp++ exp++
} }
return fmt.Sprintf("%.1f %ciB", float64(bytes)/float64(div), "KMGTPE"[exp]) return fmt.Sprintf("%.1f %ciB", float64(bytes)/float64(div), "KMGTPE"[exp])
} }

42
internal/cleanup/processes.go
View File

@@ -41,7 +41,7 @@ func (pm *ProcessManager) Track(proc *os.Process) {
pm.mu.Lock() pm.mu.Lock()
defer pm.mu.Unlock() defer pm.mu.Unlock()
pm.processes[proc.Pid] = proc pm.processes[proc.Pid] = proc
// Auto-cleanup when process exits // Auto-cleanup when process exits
go func() { go func() {
proc.Wait() proc.Wait()
@@ -59,14 +59,14 @@ func (pm *ProcessManager) KillAll() error {
procs = append(procs, proc) procs = append(procs, proc)
} }
pm.mu.RUnlock() pm.mu.RUnlock()
var errors []error var errors []error
for _, proc := range procs { for _, proc := range procs {
if err := proc.Kill(); err != nil { if err := proc.Kill(); err != nil {
errors = append(errors, err) errors = append(errors, err)
} }
} }
if len(errors) > 0 { if len(errors) > 0 {
return fmt.Errorf("failed to kill %d processes: %v", len(errors), errors) return fmt.Errorf("failed to kill %d processes: %v", len(errors), errors)
} }
@@ -82,18 +82,18 @@ func (pm *ProcessManager) Close() error {
// KillOrphanedProcesses finds and kills any orphaned pg_dump, pg_restore, gzip, or pigz processes // KillOrphanedProcesses finds and kills any orphaned pg_dump, pg_restore, gzip, or pigz processes
func KillOrphanedProcesses(log logger.Logger) error { func KillOrphanedProcesses(log logger.Logger) error {
processNames := []string{"pg_dump", "pg_restore", "gzip", "pigz", "gunzip"} processNames := []string{"pg_dump", "pg_restore", "gzip", "pigz", "gunzip"}
myPID := os.Getpid() myPID := os.Getpid()
var killed []string var killed []string
var errors []error var errors []error
for _, procName := range processNames { for _, procName := range processNames {
pids, err := findProcessesByName(procName, myPID) pids, err := findProcessesByName(procName, myPID)
if err != nil { if err != nil {
log.Warn("Failed to search for processes", "process", procName, "error", err) log.Warn("Failed to search for processes", "process", procName, "error", err)
continue continue
} }
for _, pid := range pids { for _, pid := range pids {
if err := killProcessGroup(pid); err != nil { if err := killProcessGroup(pid); err != nil {
errors = append(errors, fmt.Errorf("failed to kill %s (PID %d): %w", procName, pid, err)) errors = append(errors, fmt.Errorf("failed to kill %s (PID %d): %w", procName, pid, err))
@@ -102,15 +102,15 @@ func KillOrphanedProcesses(log logger.Logger) error {
} }
} }
} }
if len(killed) > 0 { if len(killed) > 0 {
log.Info("Cleaned up orphaned processes", "count", len(killed), "processes", strings.Join(killed, ", ")) log.Info("Cleaned up orphaned processes", "count", len(killed), "processes", strings.Join(killed, ", "))
} }
if len(errors) > 0 { if len(errors) > 0 {
return fmt.Errorf("some processes could not be killed: %v", errors) return fmt.Errorf("some processes could not be killed: %v", errors)
} }
return nil return nil
} }
@@ -126,27 +126,27 @@ func findProcessesByName(name string, excludePID int) ([]int, error) {
} }
return nil, err return nil, err
} }
var pids []int var pids []int
lines := strings.Split(strings.TrimSpace(string(output)), "\n") lines := strings.Split(strings.TrimSpace(string(output)), "\n")
for _, line := range lines { for _, line := range lines {
if line == "" { if line == "" {
continue continue
} }
pid, err := strconv.Atoi(line) pid, err := strconv.Atoi(line)
if err != nil { if err != nil {
continue continue
} }
// Don't kill our own process // Don't kill our own process
if pid == excludePID { if pid == excludePID {
continue continue
} }
pids = append(pids, pid) pids = append(pids, pid)
} }
return pids, nil return pids, nil
} }
@@ -158,17 +158,17 @@ func killProcessGroup(pid int) error {
// Process might already be gone // Process might already be gone
return nil return nil
} }
// Kill the entire process group (negative PID kills the group) // Kill the entire process group (negative PID kills the group)
// This catches pipelines like "pg_dump | gzip" // This catches pipelines like "pg_dump | gzip"
if err := syscall.Kill(-pgid, syscall.SIGTERM); err != nil { if err := syscall.Kill(-pgid, syscall.SIGTERM); err != nil {
// If SIGTERM fails, try SIGKILL // If SIGTERM fails, try SIGKILL
syscall.Kill(-pgid, syscall.SIGKILL) syscall.Kill(-pgid, syscall.SIGKILL)
} }
// Also kill the specific PID in case it's not in a group // Also kill the specific PID in case it's not in a group
syscall.Kill(pid, syscall.SIGTERM) syscall.Kill(pid, syscall.SIGTERM)
return nil return nil
} }
@@ -186,21 +186,21 @@ func KillCommandGroup(cmd *exec.Cmd) error {
if cmd.Process == nil { if cmd.Process == nil {
return nil return nil
} }
pid := cmd.Process.Pid pid := cmd.Process.Pid
// Get the process group ID // Get the process group ID
pgid, err := syscall.Getpgid(pid) pgid, err := syscall.Getpgid(pid)
if err != nil { if err != nil {
// Process might already be gone // Process might already be gone
return nil return nil
} }
// Kill the entire process group // Kill the entire process group
if err := syscall.Kill(-pgid, syscall.SIGTERM); err != nil { if err := syscall.Kill(-pgid, syscall.SIGTERM); err != nil {
// If SIGTERM fails, use SIGKILL // If SIGTERM fails, use SIGKILL
syscall.Kill(-pgid, syscall.SIGKILL) syscall.Kill(-pgid, syscall.SIGKILL)
} }
return nil return nil
} }

28
internal/cleanup/processes_windows.go
View File

@@ -17,18 +17,18 @@ import (
// KillOrphanedProcesses finds and kills any orphaned pg_dump, pg_restore, gzip, or pigz processes (Windows implementation) // KillOrphanedProcesses finds and kills any orphaned pg_dump, pg_restore, gzip, or pigz processes (Windows implementation)
func KillOrphanedProcesses(log logger.Logger) error { func KillOrphanedProcesses(log logger.Logger) error {
processNames := []string{"pg_dump.exe", "pg_restore.exe", "gzip.exe", "pigz.exe", "gunzip.exe"} processNames := []string{"pg_dump.exe", "pg_restore.exe", "gzip.exe", "pigz.exe", "gunzip.exe"}
myPID := os.Getpid() myPID := os.Getpid()
var killed []string var killed []string
var errors []error var errors []error
for _, procName := range processNames { for _, procName := range processNames {
pids, err := findProcessesByNameWindows(procName, myPID) pids, err := findProcessesByNameWindows(procName, myPID)
if err != nil { if err != nil {
log.Warn("Failed to search for processes", "process", procName, "error", err) log.Warn("Failed to search for processes", "process", procName, "error", err)
continue continue
} }
for _, pid := range pids { for _, pid := range pids {
if err := killProcessWindows(pid); err != nil { if err := killProcessWindows(pid); err != nil {
errors = append(errors, fmt.Errorf("failed to kill %s (PID %d): %w", procName, pid, err)) errors = append(errors, fmt.Errorf("failed to kill %s (PID %d): %w", procName, pid, err))
@@ -37,15 +37,15 @@ func KillOrphanedProcesses(log logger.Logger) error {
} }
} }
} }
if len(killed) > 0 { if len(killed) > 0 {
log.Info("Cleaned up orphaned processes", "count", len(killed), "processes", strings.Join(killed, ", ")) log.Info("Cleaned up orphaned processes", "count", len(killed), "processes", strings.Join(killed, ", "))
} }
if len(errors) > 0 { if len(errors) > 0 {
return fmt.Errorf("some processes could not be killed: %v", errors) return fmt.Errorf("some processes could not be killed: %v", errors)
} }
return nil return nil
} }
@@ -58,35 +58,35 @@ func findProcessesByNameWindows(name string, excludePID int) ([]int, error) {
// No processes found or command failed // No processes found or command failed
return []int{}, nil return []int{}, nil
} }
var pids []int var pids []int
lines := strings.Split(strings.TrimSpace(string(output)), "\n") lines := strings.Split(strings.TrimSpace(string(output)), "\n")
for _, line := range lines { for _, line := range lines {
if line == "" { if line == "" {
continue continue
} }
// Parse CSV output: "name","pid","session","mem" // Parse CSV output: "name","pid","session","mem"
fields := strings.Split(line, ",") fields := strings.Split(line, ",")
if len(fields) < 2 { if len(fields) < 2 {
continue continue
} }
// Remove quotes from PID field // Remove quotes from PID field
pidStr := strings.Trim(fields[1], `"`) pidStr := strings.Trim(fields[1], `"`)
pid, err := strconv.Atoi(pidStr) pid, err := strconv.Atoi(pidStr)
if err != nil { if err != nil {
continue continue
} }
// Don't kill our own process // Don't kill our own process
if pid == excludePID { if pid == excludePID {
continue continue
} }
pids = append(pids, pid) pids = append(pids, pid)
} }
return pids, nil return pids, nil
} }
@@ -111,7 +111,7 @@ func KillCommandGroup(cmd *exec.Cmd) error {
if cmd.Process == nil { if cmd.Process == nil {
return nil return nil
} }
// On Windows, just kill the process directly // On Windows, just kill the process directly
return cmd.Process.Kill() return cmd.Process.Kill()
} }

24
internal/cloud/interface.go
View File

@@ -11,22 +11,22 @@ import (
type Backend interface { type Backend interface {
// Upload uploads a file to cloud storage // Upload uploads a file to cloud storage
Upload(ctx context.Context, localPath, remotePath string, progress ProgressCallback) error Upload(ctx context.Context, localPath, remotePath string, progress ProgressCallback) error
// Download downloads a file from cloud storage // Download downloads a file from cloud storage
Download(ctx context.Context, remotePath, localPath string, progress ProgressCallback) error Download(ctx context.Context, remotePath, localPath string, progress ProgressCallback) error
// List lists all backup files in cloud storage // List lists all backup files in cloud storage
List(ctx context.Context, prefix string) ([]BackupInfo, error) List(ctx context.Context, prefix string) ([]BackupInfo, error)
// Delete deletes a file from cloud storage // Delete deletes a file from cloud storage
Delete(ctx context.Context, remotePath string) error Delete(ctx context.Context, remotePath string) error
// Exists checks if a file exists in cloud storage // Exists checks if a file exists in cloud storage
Exists(ctx context.Context, remotePath string) (bool, error) Exists(ctx context.Context, remotePath string) (bool, error)
// GetSize returns the size of a remote file // GetSize returns the size of a remote file
GetSize(ctx context.Context, remotePath string) (int64, error) GetSize(ctx context.Context, remotePath string) (int64, error)
// Name returns the backend name (e.g., "s3", "azure", "gcs") // Name returns the backend name (e.g., "s3", "azure", "gcs")
Name() string Name() string
} }
@@ -137,10 +137,10 @@ func (c *Config) Validate() error {
// ProgressReader wraps an io.Reader to track progress // ProgressReader wraps an io.Reader to track progress
type ProgressReader struct { type ProgressReader struct {
reader io.Reader reader io.Reader
total int64 total int64
read int64 read int64
callback ProgressCallback callback ProgressCallback
lastReport time.Time lastReport time.Time
} }
@@ -157,7 +157,7 @@ func NewProgressReader(r io.Reader, total int64, callback ProgressCallback) *Pro
func (pr *ProgressReader) Read(p []byte) (int, error) { func (pr *ProgressReader) Read(p []byte) (int, error) {
n, err := pr.reader.Read(p) n, err := pr.reader.Read(p)
pr.read += int64(n) pr.read += int64(n)
// Report progress every 100ms or when complete // Report progress every 100ms or when complete
now := time.Now() now := time.Now()
if now.Sub(pr.lastReport) > 100*time.Millisecond || err == io.EOF { if now.Sub(pr.lastReport) > 100*time.Millisecond || err == io.EOF {
@@ -166,6 +166,6 @@ func (pr *ProgressReader) Read(p []byte) (int, error) {
} }
pr.lastReport = now pr.lastReport = now
} }
return n, err return n, err
} }

38
internal/cloud/s3.go
View File

@@ -30,11 +30,11 @@ func NewS3Backend(cfg *Config) (*S3Backend, error) {
} }
ctx := context.Background() ctx := context.Background()
// Build AWS config // Build AWS config
var awsCfg aws.Config var awsCfg aws.Config
var err error var err error
if cfg.AccessKey != "" && cfg.SecretKey != "" { if cfg.AccessKey != "" && cfg.SecretKey != "" {
// Use explicit credentials // Use explicit credentials
credsProvider := credentials.NewStaticCredentialsProvider( credsProvider := credentials.NewStaticCredentialsProvider(
@@ -42,7 +42,7 @@ func NewS3Backend(cfg *Config) (*S3Backend, error) {
cfg.SecretKey, cfg.SecretKey,
"", "",
) )
awsCfg, err = config.LoadDefaultConfig(ctx, awsCfg, err = config.LoadDefaultConfig(ctx,
config.WithCredentialsProvider(credsProvider), config.WithCredentialsProvider(credsProvider),
config.WithRegion(cfg.Region), config.WithRegion(cfg.Region),
@@ -53,7 +53,7 @@ func NewS3Backend(cfg *Config) (*S3Backend, error) {
config.WithRegion(cfg.Region), config.WithRegion(cfg.Region),
) )
} }
if err != nil { if err != nil {
return nil, fmt.Errorf("failed to load AWS config: %w", err) return nil, fmt.Errorf("failed to load AWS config: %w", err)
} }
@@ -69,7 +69,7 @@ func NewS3Backend(cfg *Config) (*S3Backend, error) {
} }
}, },
} }
client := s3.NewFromConfig(awsCfg, clientOptions...) client := s3.NewFromConfig(awsCfg, clientOptions...)
return &S3Backend{ return &S3Backend{
@@ -114,7 +114,7 @@ func (s *S3Backend) Upload(ctx context.Context, localPath, remotePath string, pr
// Use multipart upload for files larger than 100MB // Use multipart upload for files larger than 100MB
const multipartThreshold = 100 * 1024 * 1024 // 100 MB const multipartThreshold = 100 * 1024 * 1024 // 100 MB
if fileSize > multipartThreshold { if fileSize > multipartThreshold {
return s.uploadMultipart(ctx, file, key, fileSize, progress) return s.uploadMultipart(ctx, file, key, fileSize, progress)
} }
@@ -137,7 +137,7 @@ func (s *S3Backend) uploadSimple(ctx context.Context, file *os.File, key string,
Key: aws.String(key), Key: aws.String(key),
Body: reader, Body: reader,
}) })
if err != nil { if err != nil {
return fmt.Errorf("failed to upload to S3: %w", err) return fmt.Errorf("failed to upload to S3: %w", err)
} }
@@ -151,10 +151,10 @@ func (s *S3Backend) uploadMultipart(ctx context.Context, file *os.File, key stri
uploader := manager.NewUploader(s.client, func(u *manager.Uploader) { uploader := manager.NewUploader(s.client, func(u *manager.Uploader) {
// Part size: 10MB // Part size: 10MB
u.PartSize = 10 * 1024 * 1024 u.PartSize = 10 * 1024 * 1024
// Upload up to 10 parts concurrently // Upload up to 10 parts concurrently
u.Concurrency = 10 u.Concurrency = 10
// Leave parts on failure for debugging // Leave parts on failure for debugging
u.LeavePartsOnError = false u.LeavePartsOnError = false
}) })
@@ -245,10 +245,10 @@ func (s *S3Backend) List(ctx context.Context, prefix string) ([]BackupInfo, erro
if obj.Key == nil { if obj.Key == nil {
continue continue
} }
key := *obj.Key key := *obj.Key
name := filepath.Base(key) name := filepath.Base(key)
// Skip if it's just a directory marker // Skip if it's just a directory marker
if strings.HasSuffix(key, "/") { if strings.HasSuffix(key, "/") {
continue continue
@@ -260,11 +260,11 @@ func (s *S3Backend) List(ctx context.Context, prefix string) ([]BackupInfo, erro
Size: *obj.Size, Size: *obj.Size,
LastModified: *obj.LastModified, LastModified: *obj.LastModified,
} }
if obj.ETag != nil { if obj.ETag != nil {
info.ETag = *obj.ETag info.ETag = *obj.ETag
} }
if obj.StorageClass != "" { if obj.StorageClass != "" {
info.StorageClass = string(obj.StorageClass) info.StorageClass = string(obj.StorageClass)
} else { } else {
@@ -285,7 +285,7 @@ func (s *S3Backend) Delete(ctx context.Context, remotePath string) error {
Bucket: aws.String(s.bucket), Bucket: aws.String(s.bucket),
Key: aws.String(key), Key: aws.String(key),
}) })
if err != nil { if err != nil {
return fmt.Errorf("failed to delete object: %w", err) return fmt.Errorf("failed to delete object: %w", err)
} }
@@ -301,7 +301,7 @@ func (s *S3Backend) Exists(ctx context.Context, remotePath string) (bool, error)
Bucket: aws.String(s.bucket), Bucket: aws.String(s.bucket),
Key: aws.String(key), Key: aws.String(key),
}) })
if err != nil { if err != nil {
// Check if it's a "not found" error // Check if it's a "not found" error
if strings.Contains(err.Error(), "NotFound") || strings.Contains(err.Error(), "404") { if strings.Contains(err.Error(), "NotFound") || strings.Contains(err.Error(), "404") {
@@ -321,7 +321,7 @@ func (s *S3Backend) GetSize(ctx context.Context, remotePath string) (int64, erro
Bucket: aws.String(s.bucket), Bucket: aws.String(s.bucket),
Key: aws.String(key), Key: aws.String(key),
}) })
if err != nil { if err != nil {
return 0, fmt.Errorf("failed to get object metadata: %w", err) return 0, fmt.Errorf("failed to get object metadata: %w", err)
} }
@@ -338,7 +338,7 @@ func (s *S3Backend) BucketExists(ctx context.Context) (bool, error) {
_, err := s.client.HeadBucket(ctx, &s3.HeadBucketInput{ _, err := s.client.HeadBucket(ctx, &s3.HeadBucketInput{
Bucket: aws.String(s.bucket), Bucket: aws.String(s.bucket),
}) })
if err != nil { if err != nil {
if strings.Contains(err.Error(), "NotFound") || strings.Contains(err.Error(), "404") { if strings.Contains(err.Error(), "NotFound") || strings.Contains(err.Error(), "404") {
return false, nil return false, nil
@@ -355,7 +355,7 @@ func (s *S3Backend) CreateBucket(ctx context.Context) error {
if err != nil { if err != nil {
return err return err
} }
if exists { if exists {
return nil return nil
} }
@@ -363,7 +363,7 @@ func (s *S3Backend) CreateBucket(ctx context.Context) error {
_, err = s.client.CreateBucket(ctx, &s3.CreateBucketInput{ _, err = s.client.CreateBucket(ctx, &s3.CreateBucketInput{
Bucket: aws.String(s.bucket), Bucket: aws.String(s.bucket),
}) })
if err != nil { if err != nil {
return fmt.Errorf("failed to create bucket: %w", err) return fmt.Errorf("failed to create bucket: %w", err)
} }

2
internal/cloud/uri.go
View File

@@ -76,7 +76,7 @@ func ParseCloudURI(uri string) (*CloudURI, error) {
if len(parts) >= 3 { if len(parts) >= 3 {
// Extract bucket name (first part) // Extract bucket name (first part)
bucket = parts[0] bucket = parts[0]
// Extract region if present // Extract region if present
// bucket.s3.us-west-2.amazonaws.com -> us-west-2 // bucket.s3.us-west-2.amazonaws.com -> us-west-2
// bucket.s3-us-west-2.amazonaws.com -> us-west-2 // bucket.s3-us-west-2.amazonaws.com -> us-west-2

20
internal/config/config.go
View File

@@ -45,11 +45,11 @@ type Config struct {
SampleValue int SampleValue int
// Output options // Output options
NoColor bool NoColor bool
Debug bool Debug bool
LogLevel string LogLevel string
LogFormat string LogFormat string
// Config persistence // Config persistence
NoSaveConfig bool NoSaveConfig bool
NoLoadConfig bool NoLoadConfig bool
@@ -194,11 +194,11 @@ func New() *Config {
AutoSwap: getEnvBool("AUTO_SWAP", false), AutoSwap: getEnvBool("AUTO_SWAP", false),
// Security defaults (MEDIUM priority) // Security defaults (MEDIUM priority)
RetentionDays: getEnvInt("RETENTION_DAYS", 30), // Keep backups for 30 days RetentionDays: getEnvInt("RETENTION_DAYS", 30), // Keep backups for 30 days
MinBackups: getEnvInt("MIN_BACKUPS", 5), // Keep at least 5 backups MinBackups: getEnvInt("MIN_BACKUPS", 5), // Keep at least 5 backups
MaxRetries: getEnvInt("MAX_RETRIES", 3), // Maximum 3 retry attempts MaxRetries: getEnvInt("MAX_RETRIES", 3), // Maximum 3 retry attempts
AllowRoot: getEnvBool("ALLOW_ROOT", false), // Disallow root by default AllowRoot: getEnvBool("ALLOW_ROOT", false), // Disallow root by default
CheckResources: getEnvBool("CHECK_RESOURCES", true), // Check resources by default CheckResources: getEnvBool("CHECK_RESOURCES", true), // Check resources by default
// TUI automation defaults (for testing) // TUI automation defaults (for testing)
TUIAutoSelect: getEnvInt("TUI_AUTO_SELECT", -1), // -1 = disabled TUIAutoSelect: getEnvInt("TUI_AUTO_SELECT", -1), // -1 = disabled

6
internal/config/persist.go
View File

@@ -39,7 +39,7 @@ type LocalConfig struct {
// LoadLocalConfig loads configuration from .dbbackup.conf in current directory // LoadLocalConfig loads configuration from .dbbackup.conf in current directory
func LoadLocalConfig() (*LocalConfig, error) { func LoadLocalConfig() (*LocalConfig, error) {
configPath := filepath.Join(".", ConfigFileName) configPath := filepath.Join(".", ConfigFileName)
data, err := os.ReadFile(configPath) data, err := os.ReadFile(configPath)
if err != nil { if err != nil {
if os.IsNotExist(err) { if os.IsNotExist(err) {
@@ -54,7 +54,7 @@ func LoadLocalConfig() (*LocalConfig, error) {
for _, line := range lines { for _, line := range lines {
line = strings.TrimSpace(line) line = strings.TrimSpace(line)
// Skip empty lines and comments // Skip empty lines and comments
if line == "" || strings.HasPrefix(line, "#") { if line == "" || strings.HasPrefix(line, "#") {
continue continue
@@ -143,7 +143,7 @@ func LoadLocalConfig() (*LocalConfig, error) {
// SaveLocalConfig saves configuration to .dbbackup.conf in current directory // SaveLocalConfig saves configuration to .dbbackup.conf in current directory
func SaveLocalConfig(cfg *LocalConfig) error { func SaveLocalConfig(cfg *LocalConfig) error {
var sb strings.Builder var sb strings.Builder
sb.WriteString("# dbbackup configuration\n") sb.WriteString("# dbbackup configuration\n")
sb.WriteString("# This file is auto-generated. Edit with care.\n\n") sb.WriteString("# This file is auto-generated. Edit with care.\n\n")

30
internal/cpu/detection.go
View File

@@ -1,24 +1,24 @@
package cpu package cpu
import ( import (
"bufio"
"fmt" "fmt"
"os"
"os/exec"
"runtime" "runtime"
"strconv" "strconv"
"strings" "strings"
"os"
"os/exec"
"bufio"
) )
// CPUInfo holds information about the system CPU // CPUInfo holds information about the system CPU
type CPUInfo struct { type CPUInfo struct {
LogicalCores int `json:"logical_cores"` LogicalCores int `json:"logical_cores"`
PhysicalCores int `json:"physical_cores"` PhysicalCores int `json:"physical_cores"`
Architecture string `json:"architecture"` Architecture string `json:"architecture"`
ModelName string `json:"model_name"` ModelName string `json:"model_name"`
MaxFrequency float64 `json:"max_frequency_mhz"` MaxFrequency float64 `json:"max_frequency_mhz"`
CacheSize string `json:"cache_size"` CacheSize string `json:"cache_size"`
Vendor string `json:"vendor"` Vendor string `json:"vendor"`
Features []string `json:"features"` Features []string `json:"features"`
} }
@@ -78,7 +78,7 @@ func (d *Detector) detectLinux(info *CPUInfo) error {
scanner := bufio.NewScanner(file) scanner := bufio.NewScanner(file)
physicalCoreCount := make(map[string]bool) physicalCoreCount := make(map[string]bool)
for scanner.Scan() { for scanner.Scan() {
line := scanner.Text() line := scanner.Text()
if strings.TrimSpace(line) == "" { if strings.TrimSpace(line) == "" {
@@ -324,11 +324,11 @@ func (d *Detector) GetCPUInfo() *CPUInfo {
// FormatCPUInfo returns a formatted string representation of CPU info // FormatCPUInfo returns a formatted string representation of CPU info
func (info *CPUInfo) FormatCPUInfo() string { func (info *CPUInfo) FormatCPUInfo() string {
var sb strings.Builder var sb strings.Builder
sb.WriteString(fmt.Sprintf("Architecture: %s\n", info.Architecture)) sb.WriteString(fmt.Sprintf("Architecture: %s\n", info.Architecture))
sb.WriteString(fmt.Sprintf("Logical Cores: %d\n", info.LogicalCores)) sb.WriteString(fmt.Sprintf("Logical Cores: %d\n", info.LogicalCores))
sb.WriteString(fmt.Sprintf("Physical Cores: %d\n", info.PhysicalCores)) sb.WriteString(fmt.Sprintf("Physical Cores: %d\n", info.PhysicalCores))
if info.ModelName != "" { if info.ModelName != "" {
sb.WriteString(fmt.Sprintf("Model: %s\n", info.ModelName)) sb.WriteString(fmt.Sprintf("Model: %s\n", info.ModelName))
} }
@@ -341,6 +341,6 @@ func (info *CPUInfo) FormatCPUInfo() string {
if info.CacheSize != "" { if info.CacheSize != "" {
sb.WriteString(fmt.Sprintf("Cache Size: %s\n", info.CacheSize)) sb.WriteString(fmt.Sprintf("Cache Size: %s\n", info.CacheSize))
} }
return sb.String() return sb.String()
} }

60
internal/database/interface.go
View File

@@ -8,9 +8,9 @@ import (
"dbbackup/internal/config" "dbbackup/internal/config"
"dbbackup/internal/logger" "dbbackup/internal/logger"
_ "github.com/jackc/pgx/v5/stdlib" // PostgreSQL driver (pgx - high performance) _ "github.com/go-sql-driver/mysql" // MySQL driver
_ "github.com/go-sql-driver/mysql" // MySQL driver _ "github.com/jackc/pgx/v5/stdlib" // PostgreSQL driver (pgx - high performance)
) )
// Database represents a database connection and operations // Database represents a database connection and operations
@@ -19,43 +19,43 @@ type Database interface {
Connect(ctx context.Context) error Connect(ctx context.Context) error
Close() error Close() error
Ping(ctx context.Context) error Ping(ctx context.Context) error
// Database discovery // Database discovery
ListDatabases(ctx context.Context) ([]string, error) ListDatabases(ctx context.Context) ([]string, error)
ListTables(ctx context.Context, database string) ([]string, error) ListTables(ctx context.Context, database string) ([]string, error)
// Database operations // Database operations
CreateDatabase(ctx context.Context, name string) error CreateDatabase(ctx context.Context, name string) error
DropDatabase(ctx context.Context, name string) error DropDatabase(ctx context.Context, name string) error
DatabaseExists(ctx context.Context, name string) (bool, error) DatabaseExists(ctx context.Context, name string) (bool, error)
// Information // Information
GetVersion(ctx context.Context) (string, error) GetVersion(ctx context.Context) (string, error)
GetDatabaseSize(ctx context.Context, database string) (int64, error) GetDatabaseSize(ctx context.Context, database string) (int64, error)
GetTableRowCount(ctx context.Context, database, table string) (int64, error) GetTableRowCount(ctx context.Context, database, table string) (int64, error)
// Backup/Restore command building // Backup/Restore command building
BuildBackupCommand(database, outputFile string, options BackupOptions) []string BuildBackupCommand(database, outputFile string, options BackupOptions) []string
BuildRestoreCommand(database, inputFile string, options RestoreOptions) []string BuildRestoreCommand(database, inputFile string, options RestoreOptions) []string
BuildSampleQuery(database, table string, strategy SampleStrategy) string BuildSampleQuery(database, table string, strategy SampleStrategy) string
// Validation // Validation
ValidateBackupTools() error ValidateBackupTools() error
} }
// BackupOptions holds options for backup operations // BackupOptions holds options for backup operations
type BackupOptions struct { type BackupOptions struct {
Compression int Compression int
Parallel int Parallel int
Format string // "custom", "plain", "directory" Format string // "custom", "plain", "directory"
Blobs bool Blobs bool
SchemaOnly bool SchemaOnly bool
DataOnly bool DataOnly bool
NoOwner bool NoOwner bool
NoPrivileges bool NoPrivileges bool
Clean bool Clean bool
IfExists bool IfExists bool
Role string Role string
} }
// RestoreOptions holds options for restore operations // RestoreOptions holds options for restore operations
@@ -77,12 +77,12 @@ type SampleStrategy struct {
// DatabaseInfo holds database metadata // DatabaseInfo holds database metadata
type DatabaseInfo struct { type DatabaseInfo struct {
Name string Name string
Size int64 Size int64
Owner string Owner string
Encoding string Encoding string
Collation string Collation string
Tables []TableInfo Tables []TableInfo
} }
// TableInfo holds table metadata // TableInfo holds table metadata
@@ -105,10 +105,10 @@ func New(cfg *config.Config, log logger.Logger) (Database, error) {
// Common database implementation // Common database implementation
type baseDatabase struct { type baseDatabase struct {
cfg *config.Config cfg *config.Config
log logger.Logger log logger.Logger
db *sql.DB db *sql.DB
dsn string dsn string
} }
func (b *baseDatabase) Close() error { func (b *baseDatabase) Close() error {
@@ -131,4 +131,4 @@ func buildTimeout(ctx context.Context, timeout time.Duration) (context.Context,
timeout = 30 * time.Second timeout = 30 * time.Second
} }
return context.WithTimeout(ctx, timeout) return context.WithTimeout(ctx, timeout)
} }

4
internal/database/mysql.go
View File

@@ -387,7 +387,7 @@ func (m *MySQL) buildDSN() string {
"/tmp/mysql.sock", "/tmp/mysql.sock",
"/var/lib/mysql/mysql.sock", "/var/lib/mysql/mysql.sock",
} }
// Use the first available socket path, fallback to TCP if none found // Use the first available socket path, fallback to TCP if none found
socketFound := false socketFound := false
for _, socketPath := range socketPaths { for _, socketPath := range socketPaths {
@@ -397,7 +397,7 @@ func (m *MySQL) buildDSN() string {
break break
} }
} }
// If no socket found, use TCP localhost // If no socket found, use TCP localhost
if !socketFound { if !socketFound {
dsn += "tcp(localhost:" + strconv.Itoa(m.cfg.Port) + ")" dsn += "tcp(localhost:" + strconv.Itoa(m.cfg.Port) + ")"

160
internal/database/postgresql.go
View File

@@ -12,7 +12,7 @@ import (
"dbbackup/internal/auth" "dbbackup/internal/auth"
"dbbackup/internal/config" "dbbackup/internal/config"
"dbbackup/internal/logger" "dbbackup/internal/logger"
"github.com/jackc/pgx/v5/pgxpool" "github.com/jackc/pgx/v5/pgxpool"
"github.com/jackc/pgx/v5/stdlib" "github.com/jackc/pgx/v5/stdlib"
_ "github.com/jackc/pgx/v5/stdlib" // PostgreSQL driver (pgx) _ "github.com/jackc/pgx/v5/stdlib" // PostgreSQL driver (pgx)
@@ -43,51 +43,51 @@ func (p *PostgreSQL) Connect(ctx context.Context) error {
p.log.Debug("Loaded password from .pgpass file") p.log.Debug("Loaded password from .pgpass file")
} }
} }
// Check for authentication mismatch before attempting connection // Check for authentication mismatch before attempting connection
if mismatch, msg := auth.CheckAuthenticationMismatch(p.cfg); mismatch { if mismatch, msg := auth.CheckAuthenticationMismatch(p.cfg); mismatch {
fmt.Println(msg) fmt.Println(msg)
return fmt.Errorf("authentication configuration required") return fmt.Errorf("authentication configuration required")
} }
// Build PostgreSQL DSN (pgx format) // Build PostgreSQL DSN (pgx format)
dsn := p.buildPgxDSN() dsn := p.buildPgxDSN()
p.dsn = dsn p.dsn = dsn
p.log.Debug("Connecting to PostgreSQL with pgx", "dsn", sanitizeDSN(dsn)) p.log.Debug("Connecting to PostgreSQL with pgx", "dsn", sanitizeDSN(dsn))
// Parse config with optimizations for large databases // Parse config with optimizations for large databases
config, err := pgxpool.ParseConfig(dsn) config, err := pgxpool.ParseConfig(dsn)
if err != nil { if err != nil {
return fmt.Errorf("failed to parse pgx config: %w", err) return fmt.Errorf("failed to parse pgx config: %w", err)
} }
// Optimize connection pool for backup workloads // Optimize connection pool for backup workloads
config.MaxConns = 10 // Max concurrent connections config.MaxConns = 10 // Max concurrent connections
config.MinConns = 2 // Keep minimum connections ready config.MinConns = 2 // Keep minimum connections ready
config.MaxConnLifetime = 0 // No limit on connection lifetime config.MaxConnLifetime = 0 // No limit on connection lifetime
config.MaxConnIdleTime = 0 // No idle timeout config.MaxConnIdleTime = 0 // No idle timeout
config.HealthCheckPeriod = 1 * time.Minute // Health check every minute config.HealthCheckPeriod = 1 * time.Minute // Health check every minute
// Optimize for large query results (BLOB data) // Optimize for large query results (BLOB data)
config.ConnConfig.RuntimeParams["work_mem"] = "64MB" config.ConnConfig.RuntimeParams["work_mem"] = "64MB"
config.ConnConfig.RuntimeParams["maintenance_work_mem"] = "256MB" config.ConnConfig.RuntimeParams["maintenance_work_mem"] = "256MB"
// Create connection pool // Create connection pool
pool, err := pgxpool.NewWithConfig(ctx, config) pool, err := pgxpool.NewWithConfig(ctx, config)
if err != nil { if err != nil {
return fmt.Errorf("failed to create pgx pool: %w", err) return fmt.Errorf("failed to create pgx pool: %w", err)
} }
// Test connection // Test connection
if err := pool.Ping(ctx); err != nil { if err := pool.Ping(ctx); err != nil {
pool.Close() pool.Close()
return fmt.Errorf("failed to ping PostgreSQL: %w", err) return fmt.Errorf("failed to ping PostgreSQL: %w", err)
} }
// Also create stdlib connection for compatibility // Also create stdlib connection for compatibility
db := stdlib.OpenDBFromPool(pool) db := stdlib.OpenDBFromPool(pool)
p.pool = pool p.pool = pool
p.db = db p.db = db
p.log.Info("Connected to PostgreSQL successfully", "driver", "pgx", "max_conns", config.MaxConns) p.log.Info("Connected to PostgreSQL successfully", "driver", "pgx", "max_conns", config.MaxConns)
@@ -111,17 +111,17 @@ func (p *PostgreSQL) ListDatabases(ctx context.Context) ([]string, error) {
if p.db == nil { if p.db == nil {
return nil, fmt.Errorf("not connected to database") return nil, fmt.Errorf("not connected to database")
} }
query := `SELECT datname FROM pg_database query := `SELECT datname FROM pg_database
WHERE datistemplate = false WHERE datistemplate = false
ORDER BY datname` ORDER BY datname`
rows, err := p.db.QueryContext(ctx, query) rows, err := p.db.QueryContext(ctx, query)
if err != nil { if err != nil {
return nil, fmt.Errorf("failed to query databases: %w", err) return nil, fmt.Errorf("failed to query databases: %w", err)
} }
defer rows.Close() defer rows.Close()
var databases []string var databases []string
for rows.Next() { for rows.Next() {
var name string var name string
@@ -130,7 +130,7 @@ func (p *PostgreSQL) ListDatabases(ctx context.Context) ([]string, error) {
} }
databases = append(databases, name) databases = append(databases, name)
} }
return databases, rows.Err() return databases, rows.Err()
} }
@@ -139,18 +139,18 @@ func (p *PostgreSQL) ListTables(ctx context.Context, database string) ([]string,
if p.db == nil { if p.db == nil {
return nil, fmt.Errorf("not connected to database") return nil, fmt.Errorf("not connected to database")
} }
query := `SELECT schemaname||'.'||tablename as full_name query := `SELECT schemaname||'.'||tablename as full_name
FROM pg_tables FROM pg_tables
WHERE schemaname NOT IN ('information_schema', 'pg_catalog', 'pg_toast') WHERE schemaname NOT IN ('information_schema', 'pg_catalog', 'pg_toast')
ORDER BY schemaname, tablename` ORDER BY schemaname, tablename`
rows, err := p.db.QueryContext(ctx, query) rows, err := p.db.QueryContext(ctx, query)
if err != nil { if err != nil {
return nil, fmt.Errorf("failed to query tables: %w", err) return nil, fmt.Errorf("failed to query tables: %w", err)
} }
defer rows.Close() defer rows.Close()
var tables []string var tables []string
for rows.Next() { for rows.Next() {
var name string var name string
@@ -159,7 +159,7 @@ func (p *PostgreSQL) ListTables(ctx context.Context, database string) ([]string,
} }
tables = append(tables, name) tables = append(tables, name)
} }
return tables, rows.Err() return tables, rows.Err()
} }
@@ -168,14 +168,14 @@ func (p *PostgreSQL) CreateDatabase(ctx context.Context, name string) error {
if p.db == nil { if p.db == nil {
return fmt.Errorf("not connected to database") return fmt.Errorf("not connected to database")
} }
// PostgreSQL doesn't support CREATE DATABASE in transactions or prepared statements // PostgreSQL doesn't support CREATE DATABASE in transactions or prepared statements
query := fmt.Sprintf("CREATE DATABASE %s", name) query := fmt.Sprintf("CREATE DATABASE %s", name)
_, err := p.db.ExecContext(ctx, query) _, err := p.db.ExecContext(ctx, query)
if err != nil { if err != nil {
return fmt.Errorf("failed to create database %s: %w", name, err) return fmt.Errorf("failed to create database %s: %w", name, err)
} }
p.log.Info("Created database", "name", name) p.log.Info("Created database", "name", name)
return nil return nil
} }
@@ -185,14 +185,14 @@ func (p *PostgreSQL) DropDatabase(ctx context.Context, name string) error {
if p.db == nil { if p.db == nil {
return fmt.Errorf("not connected to database") return fmt.Errorf("not connected to database")
} }
// Force drop connections and drop database // Force drop connections and drop database
query := fmt.Sprintf("DROP DATABASE IF EXISTS %s", name) query := fmt.Sprintf("DROP DATABASE IF EXISTS %s", name)
_, err := p.db.ExecContext(ctx, query) _, err := p.db.ExecContext(ctx, query)
if err != nil { if err != nil {
return fmt.Errorf("failed to drop database %s: %w", name, err) return fmt.Errorf("failed to drop database %s: %w", name, err)
} }
p.log.Info("Dropped database", "name", name) p.log.Info("Dropped database", "name", name)
return nil return nil
} }
@@ -202,14 +202,14 @@ func (p *PostgreSQL) DatabaseExists(ctx context.Context, name string) (bool, err
if p.db == nil { if p.db == nil {
return false, fmt.Errorf("not connected to database") return false, fmt.Errorf("not connected to database")
} }
query := `SELECT EXISTS(SELECT 1 FROM pg_database WHERE datname = $1)` query := `SELECT EXISTS(SELECT 1 FROM pg_database WHERE datname = $1)`
var exists bool var exists bool
err := p.db.QueryRowContext(ctx, query, name).Scan(&exists) err := p.db.QueryRowContext(ctx, query, name).Scan(&exists)
if err != nil { if err != nil {
return false, fmt.Errorf("failed to check database existence: %w", err) return false, fmt.Errorf("failed to check database existence: %w", err)
} }
return exists, nil return exists, nil
} }
@@ -218,13 +218,13 @@ func (p *PostgreSQL) GetVersion(ctx context.Context) (string, error) {
if p.db == nil { if p.db == nil {
return "", fmt.Errorf("not connected to database") return "", fmt.Errorf("not connected to database")
} }
var version string var version string
err := p.db.QueryRowContext(ctx, "SELECT version()").Scan(&version) err := p.db.QueryRowContext(ctx, "SELECT version()").Scan(&version)
if err != nil { if err != nil {
return "", fmt.Errorf("failed to get version: %w", err) return "", fmt.Errorf("failed to get version: %w", err)
} }
return version, nil return version, nil
} }
@@ -233,14 +233,14 @@ func (p *PostgreSQL) GetDatabaseSize(ctx context.Context, database string) (int6
if p.db == nil { if p.db == nil {
return 0, fmt.Errorf("not connected to database") return 0, fmt.Errorf("not connected to database")
} }
query := `SELECT pg_database_size($1)` query := `SELECT pg_database_size($1)`
var size int64 var size int64
err := p.db.QueryRowContext(ctx, query, database).Scan(&size) err := p.db.QueryRowContext(ctx, query, database).Scan(&size)
if err != nil { if err != nil {
return 0, fmt.Errorf("failed to get database size: %w", err) return 0, fmt.Errorf("failed to get database size: %w", err)
} }
return size, nil return size, nil
} }
@@ -249,16 +249,16 @@ func (p *PostgreSQL) GetTableRowCount(ctx context.Context, database, table strin
if p.db == nil { if p.db == nil {
return 0, fmt.Errorf("not connected to database") return 0, fmt.Errorf("not connected to database")
} }
// Use pg_stat_user_tables for approximate count (faster) // Use pg_stat_user_tables for approximate count (faster)
parts := strings.Split(table, ".") parts := strings.Split(table, ".")
if len(parts) != 2 { if len(parts) != 2 {
return 0, fmt.Errorf("table name must be in format schema.table") return 0, fmt.Errorf("table name must be in format schema.table")
} }
query := `SELECT COALESCE(n_tup_ins, 0) FROM pg_stat_user_tables query := `SELECT COALESCE(n_tup_ins, 0) FROM pg_stat_user_tables
WHERE schemaname = $1 AND relname = $2` WHERE schemaname = $1 AND relname = $2`
var count int64 var count int64
err := p.db.QueryRowContext(ctx, query, parts[0], parts[1]).Scan(&count) err := p.db.QueryRowContext(ctx, query, parts[0], parts[1]).Scan(&count)
if err != nil { if err != nil {
@@ -269,14 +269,14 @@ func (p *PostgreSQL) GetTableRowCount(ctx context.Context, database, table strin
return 0, fmt.Errorf("failed to get table row count: %w", err) return 0, fmt.Errorf("failed to get table row count: %w", err)
} }
} }
return count, nil return count, nil
} }
// BuildBackupCommand builds pg_dump command // BuildBackupCommand builds pg_dump command
func (p *PostgreSQL) BuildBackupCommand(database, outputFile string, options BackupOptions) []string { func (p *PostgreSQL) BuildBackupCommand(database, outputFile string, options BackupOptions) []string {
cmd := []string{"pg_dump"} cmd := []string{"pg_dump"}
// Connection parameters // Connection parameters
if p.cfg.Host != "localhost" { if p.cfg.Host != "localhost" {
cmd = append(cmd, "-h", p.cfg.Host) cmd = append(cmd, "-h", p.cfg.Host)
@@ -284,27 +284,27 @@ func (p *PostgreSQL) BuildBackupCommand(database, outputFile string, options Bac
cmd = append(cmd, "--no-password") cmd = append(cmd, "--no-password")
} }
cmd = append(cmd, "-U", p.cfg.User) cmd = append(cmd, "-U", p.cfg.User)
// Format and compression // Format and compression
if options.Format != "" { if options.Format != "" {
cmd = append(cmd, "--format="+options.Format) cmd = append(cmd, "--format="+options.Format)
} else { } else {
cmd = append(cmd, "--format=custom") cmd = append(cmd, "--format=custom")
} }
// For plain format with compression==0, we want to stream to stdout so external // For plain format with compression==0, we want to stream to stdout so external
// compression can be used. Set a marker flag so caller knows to pipe stdout. // compression can be used. Set a marker flag so caller knows to pipe stdout.
usesStdout := (options.Format == "plain" && options.Compression == 0) usesStdout := (options.Format == "plain" && options.Compression == 0)
if options.Compression > 0 { if options.Compression > 0 {
cmd = append(cmd, "--compress="+strconv.Itoa(options.Compression)) cmd = append(cmd, "--compress="+strconv.Itoa(options.Compression))
} }
// Parallel jobs (only for directory format) // Parallel jobs (only for directory format)
if options.Parallel > 1 && options.Format == "directory" { if options.Parallel > 1 && options.Format == "directory" {
cmd = append(cmd, "--jobs="+strconv.Itoa(options.Parallel)) cmd = append(cmd, "--jobs="+strconv.Itoa(options.Parallel))
} }
// Options // Options
if options.Blobs { if options.Blobs {
cmd = append(cmd, "--blobs") cmd = append(cmd, "--blobs")
@@ -324,23 +324,23 @@ func (p *PostgreSQL) BuildBackupCommand(database, outputFile string, options Bac
if options.Role != "" { if options.Role != "" {
cmd = append(cmd, "--role="+options.Role) cmd = append(cmd, "--role="+options.Role)
} }
// Database // Database
cmd = append(cmd, "--dbname="+database) cmd = append(cmd, "--dbname="+database)
// Output: For plain format with external compression, omit --file so pg_dump // Output: For plain format with external compression, omit --file so pg_dump
// writes to stdout (caller will pipe to compressor). Otherwise specify output file. // writes to stdout (caller will pipe to compressor). Otherwise specify output file.
if !usesStdout { if !usesStdout {
cmd = append(cmd, "--file="+outputFile) cmd = append(cmd, "--file="+outputFile)
} }
return cmd return cmd
} }
// BuildRestoreCommand builds pg_restore command // BuildRestoreCommand builds pg_restore command
func (p *PostgreSQL) BuildRestoreCommand(database, inputFile string, options RestoreOptions) []string { func (p *PostgreSQL) BuildRestoreCommand(database, inputFile string, options RestoreOptions) []string {
cmd := []string{"pg_restore"} cmd := []string{"pg_restore"}
// Connection parameters // Connection parameters
if p.cfg.Host != "localhost" { if p.cfg.Host != "localhost" {
cmd = append(cmd, "-h", p.cfg.Host) cmd = append(cmd, "-h", p.cfg.Host)
@@ -348,12 +348,12 @@ func (p *PostgreSQL) BuildRestoreCommand(database, inputFile string, options Res
cmd = append(cmd, "--no-password") cmd = append(cmd, "--no-password")
} }
cmd = append(cmd, "-U", p.cfg.User) cmd = append(cmd, "-U", p.cfg.User)
// Parallel jobs (incompatible with --single-transaction per PostgreSQL docs) // Parallel jobs (incompatible with --single-transaction per PostgreSQL docs)
if options.Parallel > 1 && !options.SingleTransaction { if options.Parallel > 1 && !options.SingleTransaction {
cmd = append(cmd, "--jobs="+strconv.Itoa(options.Parallel)) cmd = append(cmd, "--jobs="+strconv.Itoa(options.Parallel))
} }
// Options // Options
if options.Clean { if options.Clean {
cmd = append(cmd, "--clean") cmd = append(cmd, "--clean")
@@ -370,23 +370,23 @@ func (p *PostgreSQL) BuildRestoreCommand(database, inputFile string, options Res
if options.SingleTransaction { if options.SingleTransaction {
cmd = append(cmd, "--single-transaction") cmd = append(cmd, "--single-transaction")
} }
// NOTE: --exit-on-error removed because it causes entire restore to fail on // NOTE: --exit-on-error removed because it causes entire restore to fail on
// "already exists" errors. PostgreSQL continues on ignorable errors by default // "already exists" errors. PostgreSQL continues on ignorable errors by default
// and reports error count at the end, which is correct behavior for restores. // and reports error count at the end, which is correct behavior for restores.
// Skip data restore if table creation fails (prevents duplicate data errors) // Skip data restore if table creation fails (prevents duplicate data errors)
cmd = append(cmd, "--no-data-for-failed-tables") cmd = append(cmd, "--no-data-for-failed-tables")
// Add verbose flag ONLY if requested (WARNING: can cause OOM on large cluster restores) // Add verbose flag ONLY if requested (WARNING: can cause OOM on large cluster restores)
if options.Verbose { if options.Verbose {
cmd = append(cmd, "--verbose") cmd = append(cmd, "--verbose")
} }
// Database and input // Database and input
cmd = append(cmd, "--dbname="+database) cmd = append(cmd, "--dbname="+database)
cmd = append(cmd, inputFile) cmd = append(cmd, inputFile)
return cmd return cmd
} }
@@ -395,7 +395,7 @@ func (p *PostgreSQL) BuildSampleQuery(database, table string, strategy SampleStr
switch strategy.Type { switch strategy.Type {
case "ratio": case "ratio":
// Every Nth record using row_number // Every Nth record using row_number
return fmt.Sprintf("SELECT * FROM (SELECT *, row_number() OVER () as rn FROM %s) t WHERE rn %% %d = 1", return fmt.Sprintf("SELECT * FROM (SELECT *, row_number() OVER () as rn FROM %s) t WHERE rn %% %d = 1",
table, strategy.Value) table, strategy.Value)
case "percent": case "percent":
// Percentage sampling using TABLESAMPLE (PostgreSQL 9.5+) // Percentage sampling using TABLESAMPLE (PostgreSQL 9.5+)
@@ -411,24 +411,24 @@ func (p *PostgreSQL) BuildSampleQuery(database, table string, strategy SampleStr
// ValidateBackupTools checks if required PostgreSQL tools are available // ValidateBackupTools checks if required PostgreSQL tools are available
func (p *PostgreSQL) ValidateBackupTools() error { func (p *PostgreSQL) ValidateBackupTools() error {
tools := []string{"pg_dump", "pg_restore", "pg_dumpall", "psql"} tools := []string{"pg_dump", "pg_restore", "pg_dumpall", "psql"}
for _, tool := range tools { for _, tool := range tools {
if _, err := exec.LookPath(tool); err != nil { if _, err := exec.LookPath(tool); err != nil {
return fmt.Errorf("required tool not found: %s", tool) return fmt.Errorf("required tool not found: %s", tool)
} }
} }
return nil return nil
} }
// buildDSN constructs PostgreSQL connection string // buildDSN constructs PostgreSQL connection string
func (p *PostgreSQL) buildDSN() string { func (p *PostgreSQL) buildDSN() string {
dsn := fmt.Sprintf("user=%s dbname=%s", p.cfg.User, p.cfg.Database) dsn := fmt.Sprintf("user=%s dbname=%s", p.cfg.User, p.cfg.Database)
if p.cfg.Password != "" { if p.cfg.Password != "" {
dsn += " password=" + p.cfg.Password dsn += " password=" + p.cfg.Password
} }
// For localhost connections, try socket first for peer auth // For localhost connections, try socket first for peer auth
if p.cfg.Host == "localhost" && p.cfg.Password == "" { if p.cfg.Host == "localhost" && p.cfg.Password == "" {
// Try Unix socket connection for peer authentication // Try Unix socket connection for peer authentication
@@ -438,7 +438,7 @@ func (p *PostgreSQL) buildDSN() string {
"/tmp", "/tmp",
"/var/lib/pgsql", "/var/lib/pgsql",
} }
for _, dir := range socketDirs { for _, dir := range socketDirs {
socketPath := fmt.Sprintf("%s/.s.PGSQL.%d", dir, p.cfg.Port) socketPath := fmt.Sprintf("%s/.s.PGSQL.%d", dir, p.cfg.Port)
if _, err := os.Stat(socketPath); err == nil { if _, err := os.Stat(socketPath); err == nil {
@@ -452,7 +452,7 @@ func (p *PostgreSQL) buildDSN() string {
dsn += " host=" + p.cfg.Host dsn += " host=" + p.cfg.Host
dsn += " port=" + strconv.Itoa(p.cfg.Port) dsn += " port=" + strconv.Itoa(p.cfg.Port)
} }
if p.cfg.SSLMode != "" && !p.cfg.Insecure { if p.cfg.SSLMode != "" && !p.cfg.Insecure {
// Map SSL modes to supported values for lib/pq // Map SSL modes to supported values for lib/pq
switch strings.ToLower(p.cfg.SSLMode) { switch strings.ToLower(p.cfg.SSLMode) {
@@ -472,7 +472,7 @@ func (p *PostgreSQL) buildDSN() string {
} else if p.cfg.Insecure { } else if p.cfg.Insecure {
dsn += " sslmode=disable" dsn += " sslmode=disable"
} }
return dsn return dsn
} }
@@ -480,7 +480,7 @@ func (p *PostgreSQL) buildDSN() string {
func (p *PostgreSQL) buildPgxDSN() string { func (p *PostgreSQL) buildPgxDSN() string {
// pgx supports both URL and keyword=value formats // pgx supports both URL and keyword=value formats
// Use keyword format for Unix sockets, URL for TCP // Use keyword format for Unix sockets, URL for TCP
// Try Unix socket first for localhost without password // Try Unix socket first for localhost without password
if p.cfg.Host == "localhost" && p.cfg.Password == "" { if p.cfg.Host == "localhost" && p.cfg.Password == "" {
socketDirs := []string{ socketDirs := []string{
@@ -488,7 +488,7 @@ func (p *PostgreSQL) buildPgxDSN() string {
"/tmp", "/tmp",
"/var/lib/pgsql", "/var/lib/pgsql",
} }
for _, dir := range socketDirs { for _, dir := range socketDirs {
socketPath := fmt.Sprintf("%s/.s.PGSQL.%d", dir, p.cfg.Port) socketPath := fmt.Sprintf("%s/.s.PGSQL.%d", dir, p.cfg.Port)
if _, err := os.Stat(socketPath); err == nil { if _, err := os.Stat(socketPath); err == nil {
@@ -500,34 +500,34 @@ func (p *PostgreSQL) buildPgxDSN() string {
} }
} }
} }
// Use URL format for TCP connections // Use URL format for TCP connections
var dsn strings.Builder var dsn strings.Builder
dsn.WriteString("postgres://") dsn.WriteString("postgres://")
// User // User
dsn.WriteString(p.cfg.User) dsn.WriteString(p.cfg.User)
// Password // Password
if p.cfg.Password != "" { if p.cfg.Password != "" {
dsn.WriteString(":") dsn.WriteString(":")
dsn.WriteString(p.cfg.Password) dsn.WriteString(p.cfg.Password)
} }
dsn.WriteString("@") dsn.WriteString("@")
// Host and Port // Host and Port
dsn.WriteString(p.cfg.Host) dsn.WriteString(p.cfg.Host)
dsn.WriteString(":") dsn.WriteString(":")
dsn.WriteString(strconv.Itoa(p.cfg.Port)) dsn.WriteString(strconv.Itoa(p.cfg.Port))
// Database // Database
dsn.WriteString("/") dsn.WriteString("/")
dsn.WriteString(p.cfg.Database) dsn.WriteString(p.cfg.Database)
// Parameters // Parameters
params := make([]string, 0) params := make([]string, 0)
// SSL Mode // SSL Mode
if p.cfg.Insecure { if p.cfg.Insecure {
params = append(params, "sslmode=disable") params = append(params, "sslmode=disable")
@@ -550,21 +550,21 @@ func (p *PostgreSQL) buildPgxDSN() string {
} else { } else {
params = append(params, "sslmode=prefer") params = append(params, "sslmode=prefer")
} }
// Connection pool settings // Connection pool settings
params = append(params, "pool_max_conns=10") params = append(params, "pool_max_conns=10")
params = append(params, "pool_min_conns=2") params = append(params, "pool_min_conns=2")
// Performance tuning for large queries // Performance tuning for large queries
params = append(params, "application_name=dbbackup") params = append(params, "application_name=dbbackup")
params = append(params, "connect_timeout=30") params = append(params, "connect_timeout=30")
// Add parameters to DSN // Add parameters to DSN
if len(params) > 0 { if len(params) > 0 {
dsn.WriteString("?") dsn.WriteString("?")
dsn.WriteString(strings.Join(params, "&")) dsn.WriteString(strings.Join(params, "&"))
} }
return dsn.String() return dsn.String()
} }
@@ -573,7 +573,7 @@ func sanitizeDSN(dsn string) string {
// Simple password removal for logging // Simple password removal for logging
parts := strings.Split(dsn, " ") parts := strings.Split(dsn, " ")
var sanitized []string var sanitized []string
for _, part := range parts { for _, part := range parts {
if strings.HasPrefix(part, "password=") { if strings.HasPrefix(part, "password=") {
sanitized = append(sanitized, "password=***") sanitized = append(sanitized, "password=***")
@@ -581,6 +581,6 @@ func sanitizeDSN(dsn string) string {
sanitized = append(sanitized, part) sanitized = append(sanitized, part)
} }
} }
return strings.Join(sanitized, " ") return strings.Join(sanitized, " ")
} }

98
internal/encryption/encryption.go
View File

@@ -14,38 +14,38 @@ import (
const ( const (
// AES-256 requires 32-byte keys // AES-256 requires 32-byte keys
KeySize = 32 KeySize = 32
// Nonce size for GCM // Nonce size for GCM
NonceSize = 12 NonceSize = 12
// Salt size for key derivation // Salt size for key derivation
SaltSize = 32 SaltSize = 32
// PBKDF2 iterations (100,000 is recommended minimum) // PBKDF2 iterations (100,000 is recommended minimum)
PBKDF2Iterations = 100000 PBKDF2Iterations = 100000
// Magic header to identify encrypted files // Magic header to identify encrypted files
EncryptedFileMagic = "DBBACKUP_ENCRYPTED_V1" EncryptedFileMagic = "DBBACKUP_ENCRYPTED_V1"
) )
// EncryptionHeader stores metadata for encrypted files // EncryptionHeader stores metadata for encrypted files
type EncryptionHeader struct { type EncryptionHeader struct {
Magic [22]byte // "DBBACKUP_ENCRYPTED_V1" (21 bytes + null) Magic [22]byte // "DBBACKUP_ENCRYPTED_V1" (21 bytes + null)
Version uint8 // Version number (1) Version uint8 // Version number (1)
Algorithm uint8 // Algorithm ID (1 = AES-256-GCM) Algorithm uint8 // Algorithm ID (1 = AES-256-GCM)
Salt [32]byte // Salt for key derivation Salt [32]byte // Salt for key derivation
Nonce [12]byte // GCM nonce Nonce [12]byte // GCM nonce
Reserved [32]byte // Reserved for future use Reserved [32]byte // Reserved for future use
} }
// EncryptionOptions configures encryption behavior // EncryptionOptions configures encryption behavior
type EncryptionOptions struct { type EncryptionOptions struct {
// Key is the encryption key (32 bytes for AES-256) // Key is the encryption key (32 bytes for AES-256)
Key []byte Key []byte
// Passphrase for key derivation (alternative to direct key) // Passphrase for key derivation (alternative to direct key)
Passphrase string Passphrase string
// Salt for key derivation (if empty, will be generated) // Salt for key derivation (if empty, will be generated)
Salt []byte Salt []byte
} }
@@ -79,7 +79,7 @@ func NewEncryptionWriter(w io.Writer, opts EncryptionOptions) (*EncryptionWriter
// Derive or validate key // Derive or validate key
var key []byte var key []byte
var salt []byte var salt []byte
if opts.Passphrase != "" { if opts.Passphrase != "" {
// Derive key from passphrase // Derive key from passphrase
if len(opts.Salt) == 0 { if len(opts.Salt) == 0 {
@@ -106,25 +106,25 @@ func NewEncryptionWriter(w io.Writer, opts EncryptionOptions) (*EncryptionWriter
} else { } else {
return nil, fmt.Errorf("either Key or Passphrase must be provided") return nil, fmt.Errorf("either Key or Passphrase must be provided")
} }
// Create AES cipher // Create AES cipher
block, err := aes.NewCipher(key) block, err := aes.NewCipher(key)
if err != nil { if err != nil {
return nil, fmt.Errorf("failed to create cipher: %w", err) return nil, fmt.Errorf("failed to create cipher: %w", err)
} }
// Create GCM mode // Create GCM mode
gcm, err := cipher.NewGCM(block) gcm, err := cipher.NewGCM(block)
if err != nil { if err != nil {
return nil, fmt.Errorf("failed to create GCM: %w", err) return nil, fmt.Errorf("failed to create GCM: %w", err)
} }
// Generate nonce // Generate nonce
nonce := make([]byte, NonceSize) nonce := make([]byte, NonceSize)
if _, err := rand.Read(nonce); err != nil { if _, err := rand.Read(nonce); err != nil {
return nil, fmt.Errorf("failed to generate nonce: %w", err) return nil, fmt.Errorf("failed to generate nonce: %w", err)
} }
// Write header // Write header
header := EncryptionHeader{ header := EncryptionHeader{
Version: 1, Version: 1,
@@ -133,11 +133,11 @@ func NewEncryptionWriter(w io.Writer, opts EncryptionOptions) (*EncryptionWriter
copy(header.Magic[:], []byte(EncryptedFileMagic)) copy(header.Magic[:], []byte(EncryptedFileMagic))
copy(header.Salt[:], salt) copy(header.Salt[:], salt)
copy(header.Nonce[:], nonce) copy(header.Nonce[:], nonce)
if err := writeHeader(w, &header); err != nil { if err := writeHeader(w, &header); err != nil {
return nil, fmt.Errorf("failed to write header: %w", err) return nil, fmt.Errorf("failed to write header: %w", err)
} }
return &EncryptionWriter{ return &EncryptionWriter{
writer: w, writer: w,
gcm: gcm, gcm: gcm,
@@ -160,16 +160,16 @@ func (ew *EncryptionWriter) Write(p []byte) (n int, err error) {
if ew.closed { if ew.closed {
return 0, fmt.Errorf("writer is closed") return 0, fmt.Errorf("writer is closed")
} }
// Accumulate data in buffer // Accumulate data in buffer
ew.buffer = append(ew.buffer, p...) ew.buffer = append(ew.buffer, p...)
// If buffer is large enough, encrypt and write // If buffer is large enough, encrypt and write
const chunkSize = 64 * 1024 // 64KB chunks const chunkSize = 64 * 1024 // 64KB chunks
for len(ew.buffer) >= chunkSize { for len(ew.buffer) >= chunkSize {
chunk := ew.buffer[:chunkSize] chunk := ew.buffer[:chunkSize]
encrypted := ew.gcm.Seal(nil, ew.nonce, chunk, nil) encrypted := ew.gcm.Seal(nil, ew.nonce, chunk, nil)
// Write encrypted chunk size (4 bytes) then chunk // Write encrypted chunk size (4 bytes) then chunk
size := uint32(len(encrypted)) size := uint32(len(encrypted))
sizeBytes := []byte{ sizeBytes := []byte{
@@ -184,15 +184,15 @@ func (ew *EncryptionWriter) Write(p []byte) (n int, err error) {
if _, err := ew.writer.Write(encrypted); err != nil { if _, err := ew.writer.Write(encrypted); err != nil {
return n, err return n, err
} }
// Move remaining data to start of buffer // Move remaining data to start of buffer
ew.buffer = ew.buffer[chunkSize:] ew.buffer = ew.buffer[chunkSize:]
n += chunkSize n += chunkSize
// Increment nonce for next chunk // Increment nonce for next chunk
incrementNonce(ew.nonce) incrementNonce(ew.nonce)
} }
return len(p), nil return len(p), nil
} }
@@ -202,11 +202,11 @@ func (ew *EncryptionWriter) Close() error {
return nil return nil
} }
ew.closed = true ew.closed = true
// Encrypt and write remaining buffer // Encrypt and write remaining buffer
if len(ew.buffer) > 0 { if len(ew.buffer) > 0 {
encrypted := ew.gcm.Seal(nil, ew.nonce, ew.buffer, nil) encrypted := ew.gcm.Seal(nil, ew.nonce, ew.buffer, nil)
size := uint32(len(encrypted)) size := uint32(len(encrypted))
sizeBytes := []byte{ sizeBytes := []byte{
byte(size >> 24), byte(size >> 24),
@@ -221,12 +221,12 @@ func (ew *EncryptionWriter) Close() error {
return err return err
} }
} }
// Write final zero-length chunk to signal end // Write final zero-length chunk to signal end
if _, err := ew.writer.Write([]byte{0, 0, 0, 0}); err != nil { if _, err := ew.writer.Write([]byte{0, 0, 0, 0}); err != nil {
return err return err
} }
return nil return nil
} }
@@ -237,22 +237,22 @@ func NewDecryptionReader(r io.Reader, opts EncryptionOptions) (*DecryptionReader
if err != nil { if err != nil {
return nil, fmt.Errorf("failed to read header: %w", err) return nil, fmt.Errorf("failed to read header: %w", err)
} }
// Verify magic // Verify magic
if string(header.Magic[:len(EncryptedFileMagic)]) != EncryptedFileMagic { if string(header.Magic[:len(EncryptedFileMagic)]) != EncryptedFileMagic {
return nil, fmt.Errorf("not an encrypted backup file") return nil, fmt.Errorf("not an encrypted backup file")
} }
// Verify version // Verify version
if header.Version != 1 { if header.Version != 1 {
return nil, fmt.Errorf("unsupported encryption version: %d", header.Version) return nil, fmt.Errorf("unsupported encryption version: %d", header.Version)
} }
// Verify algorithm // Verify algorithm
if header.Algorithm != 1 { if header.Algorithm != 1 {
return nil, fmt.Errorf("unsupported encryption algorithm: %d", header.Algorithm) return nil, fmt.Errorf("unsupported encryption algorithm: %d", header.Algorithm)
} }
// Derive or validate key // Derive or validate key
var key []byte var key []byte
if opts.Passphrase != "" { if opts.Passphrase != "" {
@@ -265,22 +265,22 @@ func NewDecryptionReader(r io.Reader, opts EncryptionOptions) (*DecryptionReader
} else { } else {
return nil, fmt.Errorf("either Key or Passphrase must be provided") return nil, fmt.Errorf("either Key or Passphrase must be provided")
} }
// Create AES cipher // Create AES cipher
block, err := aes.NewCipher(key) block, err := aes.NewCipher(key)
if err != nil { if err != nil {
return nil, fmt.Errorf("failed to create cipher: %w", err) return nil, fmt.Errorf("failed to create cipher: %w", err)
} }
// Create GCM mode // Create GCM mode
gcm, err := cipher.NewGCM(block) gcm, err := cipher.NewGCM(block)
if err != nil { if err != nil {
return nil, fmt.Errorf("failed to create GCM: %w", err) return nil, fmt.Errorf("failed to create GCM: %w", err)
} }
nonce := make([]byte, NonceSize) nonce := make([]byte, NonceSize)
copy(nonce, header.Nonce[:]) copy(nonce, header.Nonce[:])
return &DecryptionReader{ return &DecryptionReader{
reader: r, reader: r,
gcm: gcm, gcm: gcm,
@@ -306,12 +306,12 @@ func (dr *DecryptionReader) Read(p []byte) (n int, err error) {
dr.buffer = dr.buffer[n:] dr.buffer = dr.buffer[n:]
return n, nil return n, nil
} }
// If EOF reached, return EOF // If EOF reached, return EOF
if dr.eof { if dr.eof {
return 0, io.EOF return 0, io.EOF
} }
// Read next chunk size // Read next chunk size
sizeBytes := make([]byte, 4) sizeBytes := make([]byte, 4)
if _, err := io.ReadFull(dr.reader, sizeBytes); err != nil { if _, err := io.ReadFull(dr.reader, sizeBytes); err != nil {
@@ -321,36 +321,36 @@ func (dr *DecryptionReader) Read(p []byte) (n int, err error) {
} }
return 0, err return 0, err
} }
size := uint32(sizeBytes[0])<<24 | uint32(sizeBytes[1])<<16 | uint32(sizeBytes[2])<<8 | uint32(sizeBytes[3]) size := uint32(sizeBytes[0])<<24 | uint32(sizeBytes[1])<<16 | uint32(sizeBytes[2])<<8 | uint32(sizeBytes[3])
// Zero-length chunk signals end of stream // Zero-length chunk signals end of stream
if size == 0 { if size == 0 {
dr.eof = true dr.eof = true
return 0, io.EOF return 0, io.EOF
} }
// Read encrypted chunk // Read encrypted chunk
encrypted := make([]byte, size) encrypted := make([]byte, size)
if _, err := io.ReadFull(dr.reader, encrypted); err != nil { if _, err := io.ReadFull(dr.reader, encrypted); err != nil {
return 0, err return 0, err
} }
// Decrypt chunk // Decrypt chunk
decrypted, err := dr.gcm.Open(nil, dr.nonce, encrypted, nil) decrypted, err := dr.gcm.Open(nil, dr.nonce, encrypted, nil)
if err != nil { if err != nil {
return 0, fmt.Errorf("decryption failed (wrong key?): %w", err) return 0, fmt.Errorf("decryption failed (wrong key?): %w", err)
} }
// Increment nonce for next chunk // Increment nonce for next chunk
incrementNonce(dr.nonce) incrementNonce(dr.nonce)
// Return as much as fits in p, buffer the rest // Return as much as fits in p, buffer the rest
n = copy(p, decrypted) n = copy(p, decrypted)
if n < len(decrypted) { if n < len(decrypted) {
dr.buffer = decrypted[n:] dr.buffer = decrypted[n:]
} }
return n, nil return n, nil
} }
@@ -364,7 +364,7 @@ func writeHeader(w io.Writer, h *EncryptionHeader) error {
copy(data[24:56], h.Salt[:]) copy(data[24:56], h.Salt[:])
copy(data[56:68], h.Nonce[:]) copy(data[56:68], h.Nonce[:])
copy(data[68:100], h.Reserved[:]) copy(data[68:100], h.Reserved[:])
_, err := w.Write(data) _, err := w.Write(data)
return err return err
} }
@@ -374,7 +374,7 @@ func readHeader(r io.Reader) (*EncryptionHeader, error) {
if _, err := io.ReadFull(r, data); err != nil { if _, err := io.ReadFull(r, data); err != nil {
return nil, err return nil, err
} }
header := &EncryptionHeader{ header := &EncryptionHeader{
Version: data[22], Version: data[22],
Algorithm: data[23], Algorithm: data[23],
@@ -383,7 +383,7 @@ func readHeader(r io.Reader) (*EncryptionHeader, error) {
copy(header.Salt[:], data[24:56]) copy(header.Salt[:], data[24:56])
copy(header.Nonce[:], data[56:68]) copy(header.Nonce[:], data[56:68])
copy(header.Reserved[:], data[68:100]) copy(header.Reserved[:], data[68:100])
return header, nil return header, nil
} }

86
internal/encryption/encryption_test.go
View File

@@ -9,11 +9,11 @@ import (
func TestEncryptDecrypt(t *testing.T) { func TestEncryptDecrypt(t *testing.T) {
// Test data // Test data
original := []byte("This is a secret database backup that needs encryption! 🔒") original := []byte("This is a secret database backup that needs encryption! 🔒")
// Test with passphrase // Test with passphrase
t.Run("Passphrase", func(t *testing.T) { t.Run("Passphrase", func(t *testing.T) {
var encrypted bytes.Buffer var encrypted bytes.Buffer
// Encrypt // Encrypt
writer, err := NewEncryptionWriter(&encrypted, EncryptionOptions{ writer, err := NewEncryptionWriter(&encrypted, EncryptionOptions{
Passphrase: "super-secret-password", Passphrase: "super-secret-password",
@@ -21,23 +21,23 @@ func TestEncryptDecrypt(t *testing.T) {
if err != nil { if err != nil {
t.Fatalf("Failed to create encryption writer: %v", err) t.Fatalf("Failed to create encryption writer: %v", err)
} }
if _, err := writer.Write(original); err != nil { if _, err := writer.Write(original); err != nil {
t.Fatalf("Failed to write data: %v", err) t.Fatalf("Failed to write data: %v", err)
} }
if err := writer.Close(); err != nil { if err := writer.Close(); err != nil {
t.Fatalf("Failed to close writer: %v", err) t.Fatalf("Failed to close writer: %v", err)
} }
t.Logf("Original size: %d bytes", len(original)) t.Logf("Original size: %d bytes", len(original))
t.Logf("Encrypted size: %d bytes", encrypted.Len()) t.Logf("Encrypted size: %d bytes", encrypted.Len())
// Verify encrypted data is different from original // Verify encrypted data is different from original
if bytes.Contains(encrypted.Bytes(), original) { if bytes.Contains(encrypted.Bytes(), original) {
t.Error("Encrypted data contains plaintext - encryption failed!") t.Error("Encrypted data contains plaintext - encryption failed!")
} }
// Decrypt // Decrypt
reader, err := NewDecryptionReader(&encrypted, EncryptionOptions{ reader, err := NewDecryptionReader(&encrypted, EncryptionOptions{
Passphrase: "super-secret-password", Passphrase: "super-secret-password",
@@ -45,30 +45,30 @@ func TestEncryptDecrypt(t *testing.T) {
if err != nil { if err != nil {
t.Fatalf("Failed to create decryption reader: %v", err) t.Fatalf("Failed to create decryption reader: %v", err)
} }
decrypted, err := io.ReadAll(reader) decrypted, err := io.ReadAll(reader)
if err != nil { if err != nil {
t.Fatalf("Failed to read decrypted data: %v", err) t.Fatalf("Failed to read decrypted data: %v", err)
} }
// Verify decrypted matches original // Verify decrypted matches original
if !bytes.Equal(decrypted, original) { if !bytes.Equal(decrypted, original) {
t.Errorf("Decrypted data doesn't match original\nOriginal: %s\nDecrypted: %s", t.Errorf("Decrypted data doesn't match original\nOriginal: %s\nDecrypted: %s",
string(original), string(decrypted)) string(original), string(decrypted))
} }
t.Log("✅ Encryption/decryption successful") t.Log("✅ Encryption/decryption successful")
}) })
// Test with direct key // Test with direct key
t.Run("DirectKey", func(t *testing.T) { t.Run("DirectKey", func(t *testing.T) {
key, err := GenerateKey() key, err := GenerateKey()
if err != nil { if err != nil {
t.Fatalf("Failed to generate key: %v", err) t.Fatalf("Failed to generate key: %v", err)
} }
var encrypted bytes.Buffer var encrypted bytes.Buffer
// Encrypt // Encrypt
writer, err := NewEncryptionWriter(&encrypted, EncryptionOptions{ writer, err := NewEncryptionWriter(&encrypted, EncryptionOptions{
Key: key, Key: key,
@@ -76,15 +76,15 @@ func TestEncryptDecrypt(t *testing.T) {
if err != nil { if err != nil {
t.Fatalf("Failed to create encryption writer: %v", err) t.Fatalf("Failed to create encryption writer: %v", err)
} }
if _, err := writer.Write(original); err != nil { if _, err := writer.Write(original); err != nil {
t.Fatalf("Failed to write data: %v", err) t.Fatalf("Failed to write data: %v", err)
} }
if err := writer.Close(); err != nil { if err := writer.Close(); err != nil {
t.Fatalf("Failed to close writer: %v", err) t.Fatalf("Failed to close writer: %v", err)
} }
// Decrypt // Decrypt
reader, err := NewDecryptionReader(&encrypted, EncryptionOptions{ reader, err := NewDecryptionReader(&encrypted, EncryptionOptions{
Key: key, Key: key,
@@ -92,23 +92,23 @@ func TestEncryptDecrypt(t *testing.T) {
if err != nil { if err != nil {
t.Fatalf("Failed to create decryption reader: %v", err) t.Fatalf("Failed to create decryption reader: %v", err)
} }
decrypted, err := io.ReadAll(reader) decrypted, err := io.ReadAll(reader)
if err != nil { if err != nil {
t.Fatalf("Failed to read decrypted data: %v", err) t.Fatalf("Failed to read decrypted data: %v", err)
} }
if !bytes.Equal(decrypted, original) { if !bytes.Equal(decrypted, original) {
t.Errorf("Decrypted data doesn't match original") t.Errorf("Decrypted data doesn't match original")
} }
t.Log("✅ Direct key encryption/decryption successful") t.Log("✅ Direct key encryption/decryption successful")
}) })
// Test wrong password // Test wrong password
t.Run("WrongPassword", func(t *testing.T) { t.Run("WrongPassword", func(t *testing.T) {
var encrypted bytes.Buffer var encrypted bytes.Buffer
// Encrypt // Encrypt
writer, err := NewEncryptionWriter(&encrypted, EncryptionOptions{ writer, err := NewEncryptionWriter(&encrypted, EncryptionOptions{
Passphrase: "correct-password", Passphrase: "correct-password",
@@ -116,10 +116,10 @@ func TestEncryptDecrypt(t *testing.T) {
if err != nil { if err != nil {
t.Fatalf("Failed to create encryption writer: %v", err) t.Fatalf("Failed to create encryption writer: %v", err)
} }
writer.Write(original) writer.Write(original)
writer.Close() writer.Close()
// Try to decrypt with wrong password // Try to decrypt with wrong password
reader, err := NewDecryptionReader(&encrypted, EncryptionOptions{ reader, err := NewDecryptionReader(&encrypted, EncryptionOptions{
Passphrase: "wrong-password", Passphrase: "wrong-password",
@@ -127,12 +127,12 @@ func TestEncryptDecrypt(t *testing.T) {
if err != nil { if err != nil {
t.Fatalf("Failed to create decryption reader: %v", err) t.Fatalf("Failed to create decryption reader: %v", err)
} }
_, err = io.ReadAll(reader) _, err = io.ReadAll(reader)
if err == nil { if err == nil {
t.Error("Expected decryption to fail with wrong password, but it succeeded") t.Error("Expected decryption to fail with wrong password, but it succeeded")
} }
t.Logf("✅ Wrong password correctly rejected: %v", err) t.Logf("✅ Wrong password correctly rejected: %v", err)
}) })
} }
@@ -143,9 +143,9 @@ func TestLargeData(t *testing.T) {
for i := range original { for i := range original {
original[i] = byte(i % 256) original[i] = byte(i % 256)
} }
var encrypted bytes.Buffer var encrypted bytes.Buffer
// Encrypt // Encrypt
writer, err := NewEncryptionWriter(&encrypted, EncryptionOptions{ writer, err := NewEncryptionWriter(&encrypted, EncryptionOptions{
Passphrase: "test-password", Passphrase: "test-password",
@@ -153,19 +153,19 @@ func TestLargeData(t *testing.T) {
if err != nil { if err != nil {
t.Fatalf("Failed to create encryption writer: %v", err) t.Fatalf("Failed to create encryption writer: %v", err)
} }
if _, err := writer.Write(original); err != nil { if _, err := writer.Write(original); err != nil {
t.Fatalf("Failed to write data: %v", err) t.Fatalf("Failed to write data: %v", err)
} }
if err := writer.Close(); err != nil { if err := writer.Close(); err != nil {
t.Fatalf("Failed to close writer: %v", err) t.Fatalf("Failed to close writer: %v", err)
} }
t.Logf("Original size: %d bytes", len(original)) t.Logf("Original size: %d bytes", len(original))
t.Logf("Encrypted size: %d bytes", encrypted.Len()) t.Logf("Encrypted size: %d bytes", encrypted.Len())
t.Logf("Overhead: %.2f%%", float64(encrypted.Len()-len(original))/float64(len(original))*100) t.Logf("Overhead: %.2f%%", float64(encrypted.Len()-len(original))/float64(len(original))*100)
// Decrypt // Decrypt
reader, err := NewDecryptionReader(&encrypted, EncryptionOptions{ reader, err := NewDecryptionReader(&encrypted, EncryptionOptions{
Passphrase: "test-password", Passphrase: "test-password",
@@ -173,16 +173,16 @@ func TestLargeData(t *testing.T) {
if err != nil { if err != nil {
t.Fatalf("Failed to create decryption reader: %v", err) t.Fatalf("Failed to create decryption reader: %v", err)
} }
decrypted, err := io.ReadAll(reader) decrypted, err := io.ReadAll(reader)
if err != nil { if err != nil {
t.Fatalf("Failed to read decrypted data: %v", err) t.Fatalf("Failed to read decrypted data: %v", err)
} }
if !bytes.Equal(decrypted, original) { if !bytes.Equal(decrypted, original) {
t.Errorf("Large data decryption failed") t.Errorf("Large data decryption failed")
} }
t.Log("✅ Large data encryption/decryption successful") t.Log("✅ Large data encryption/decryption successful")
} }
@@ -192,43 +192,43 @@ func TestKeyGeneration(t *testing.T) {
if err != nil { if err != nil {
t.Fatalf("Failed to generate key: %v", err) t.Fatalf("Failed to generate key: %v", err)
} }
if len(key1) != KeySize { if len(key1) != KeySize {
t.Errorf("Key size mismatch: expected %d, got %d", KeySize, len(key1)) t.Errorf("Key size mismatch: expected %d, got %d", KeySize, len(key1))
} }
// Generate another key and verify it's different // Generate another key and verify it's different
key2, err := GenerateKey() key2, err := GenerateKey()
if err != nil { if err != nil {
t.Fatalf("Failed to generate second key: %v", err) t.Fatalf("Failed to generate second key: %v", err)
} }
if bytes.Equal(key1, key2) { if bytes.Equal(key1, key2) {
t.Error("Generated keys are identical - randomness broken!") t.Error("Generated keys are identical - randomness broken!")
} }
t.Log("✅ Key generation successful") t.Log("✅ Key generation successful")
} }
func TestKeyDerivation(t *testing.T) { func TestKeyDerivation(t *testing.T) {
passphrase := "my-secret-passphrase" passphrase := "my-secret-passphrase"
salt1, _ := GenerateSalt() salt1, _ := GenerateSalt()
// Derive key twice with same salt - should be identical // Derive key twice with same salt - should be identical
key1 := DeriveKey(passphrase, salt1) key1 := DeriveKey(passphrase, salt1)
key2 := DeriveKey(passphrase, salt1) key2 := DeriveKey(passphrase, salt1)
if !bytes.Equal(key1, key2) { if !bytes.Equal(key1, key2) {
t.Error("Key derivation not deterministic") t.Error("Key derivation not deterministic")
} }
// Derive with different salt - should be different // Derive with different salt - should be different
salt2, _ := GenerateSalt() salt2, _ := GenerateSalt()
key3 := DeriveKey(passphrase, salt2) key3 := DeriveKey(passphrase, salt2)
if bytes.Equal(key1, key3) { if bytes.Equal(key1, key3) {
t.Error("Different salts produced same key") t.Error("Different salts produced same key")
} }
t.Log("✅ Key derivation successful") t.Log("✅ Key derivation successful")
} }

22
internal/logger/logger.go
View File

@@ -16,7 +16,7 @@ type Logger interface {
Info(msg string, keysAndValues ...interface{}) Info(msg string, keysAndValues ...interface{})
Warn(msg string, keysAndValues ...interface{}) Warn(msg string, keysAndValues ...interface{})
Error(msg string, keysAndValues ...interface{}) Error(msg string, keysAndValues ...interface{})
// Structured logging methods // Structured logging methods
WithFields(fields map[string]interface{}) Logger WithFields(fields map[string]interface{}) Logger
WithField(key string, value interface{}) Logger WithField(key string, value interface{}) Logger
@@ -113,7 +113,7 @@ func (l *logger) Error(msg string, args ...any) {
} }
func (l *logger) Time(msg string, args ...any) { func (l *logger) Time(msg string, args ...any) {
// Time logs are always at info level with special formatting // Time logs are always at info level with special formatting
l.logWithFields(logrus.InfoLevel, "[TIME] "+msg, args...) l.logWithFields(logrus.InfoLevel, "[TIME] "+msg, args...)
} }
@@ -225,7 +225,7 @@ type CleanFormatter struct{}
// Format implements logrus.Formatter interface // Format implements logrus.Formatter interface
func (f *CleanFormatter) Format(entry *logrus.Entry) ([]byte, error) { func (f *CleanFormatter) Format(entry *logrus.Entry) ([]byte, error) {
timestamp := entry.Time.Format("2006-01-02T15:04:05") timestamp := entry.Time.Format("2006-01-02T15:04:05")
// Color codes for different log levels // Color codes for different log levels
var levelColor, levelText string var levelColor, levelText string
switch entry.Level { switch entry.Level {
@@ -246,24 +246,24 @@ func (f *CleanFormatter) Format(entry *logrus.Entry) ([]byte, error) {
levelText = "INFO " levelText = "INFO "
} }
resetColor := "\033[0m" resetColor := "\033[0m"
// Build the message with perfectly aligned columns // Build the message with perfectly aligned columns
var output strings.Builder var output strings.Builder
// Column 1: Level (with color, fixed width 5 chars) // Column 1: Level (with color, fixed width 5 chars)
output.WriteString(levelColor) output.WriteString(levelColor)
output.WriteString(levelText) output.WriteString(levelText)
output.WriteString(resetColor) output.WriteString(resetColor)
output.WriteString(" ") output.WriteString(" ")
// Column 2: Timestamp (fixed format) // Column 2: Timestamp (fixed format)
output.WriteString("[") output.WriteString("[")
output.WriteString(timestamp) output.WriteString(timestamp)
output.WriteString("] ") output.WriteString("] ")
// Column 3: Message // Column 3: Message
output.WriteString(entry.Message) output.WriteString(entry.Message)
// Append important fields in a clean format (skip internal/redundant fields) // Append important fields in a clean format (skip internal/redundant fields)
if len(entry.Data) > 0 { if len(entry.Data) > 0 {
// Only show truly important fields, skip verbose ones // Only show truly important fields, skip verbose ones
@@ -272,7 +272,7 @@ func (f *CleanFormatter) Format(entry *logrus.Entry) ([]byte, error) {
if k == "elapsed" || k == "operation_id" || k == "step" || k == "timestamp" || k == "message" { if k == "elapsed" || k == "operation_id" || k == "step" || k == "timestamp" || k == "message" {
continue continue
} }
// Format duration nicely at the end // Format duration nicely at the end
if k == "duration" { if k == "duration" {
if str, ok := v.(string); ok { if str, ok := v.(string); ok {
@@ -280,14 +280,14 @@ func (f *CleanFormatter) Format(entry *logrus.Entry) ([]byte, error) {
} }
continue continue
} }
// Only show critical fields (driver, errors, etc) // Only show critical fields (driver, errors, etc)
if k == "driver" || k == "max_conns" || k == "error" || k == "database" { if k == "driver" || k == "max_conns" || k == "error" || k == "database" {
output.WriteString(fmt.Sprintf(" %s=%v", k, v)) output.WriteString(fmt.Sprintf(" %s=%v", k, v))
} }
} }
} }
output.WriteString("\n") output.WriteString("\n")
return []byte(output.String()), nil return []byte(output.String()), nil
} }

36
internal/metadata/metadata.go
View File

@@ -29,11 +29,11 @@ type BackupMetadata struct {
BaseBackup string `json:"base_backup,omitempty"` BaseBackup string `json:"base_backup,omitempty"`
Duration float64 `json:"duration_seconds"` Duration float64 `json:"duration_seconds"`
ExtraInfo map[string]string `json:"extra_info,omitempty"` ExtraInfo map[string]string `json:"extra_info,omitempty"`
// Encryption fields (v2.3+) // Encryption fields (v2.3+)
Encrypted bool `json:"encrypted"` // Whether backup is encrypted Encrypted bool `json:"encrypted"` // Whether backup is encrypted
EncryptionAlgorithm string `json:"encryption_algorithm,omitempty"` // e.g., "aes-256-gcm" EncryptionAlgorithm string `json:"encryption_algorithm,omitempty"` // e.g., "aes-256-gcm"
// Incremental backup fields (v2.2+) // Incremental backup fields (v2.2+)
Incremental *IncrementalMetadata `json:"incremental,omitempty"` // Only present for incremental backups Incremental *IncrementalMetadata `json:"incremental,omitempty"` // Only present for incremental backups
} }
@@ -50,16 +50,16 @@ type IncrementalMetadata struct {
// ClusterMetadata contains metadata for cluster backups // ClusterMetadata contains metadata for cluster backups
type ClusterMetadata struct { type ClusterMetadata struct {
Version string `json:"version"` Version string `json:"version"`
Timestamp time.Time `json:"timestamp"` Timestamp time.Time `json:"timestamp"`
ClusterName string `json:"cluster_name"` ClusterName string `json:"cluster_name"`
DatabaseType string `json:"database_type"` DatabaseType string `json:"database_type"`
Host string `json:"host"` Host string `json:"host"`
Port int `json:"port"` Port int `json:"port"`
Databases []BackupMetadata `json:"databases"` Databases []BackupMetadata `json:"databases"`
TotalSize int64 `json:"total_size_bytes"` TotalSize int64 `json:"total_size_bytes"`
Duration float64 `json:"duration_seconds"` Duration float64 `json:"duration_seconds"`
ExtraInfo map[string]string `json:"extra_info,omitempty"` ExtraInfo map[string]string `json:"extra_info,omitempty"`
} }
// CalculateSHA256 computes the SHA-256 checksum of a file // CalculateSHA256 computes the SHA-256 checksum of a file
@@ -81,7 +81,7 @@ func CalculateSHA256(filePath string) (string, error) {
// Save writes metadata to a .meta.json file // Save writes metadata to a .meta.json file
func (m *BackupMetadata) Save() error { func (m *BackupMetadata) Save() error {
metaPath := m.BackupFile + ".meta.json" metaPath := m.BackupFile + ".meta.json"
data, err := json.MarshalIndent(m, "", " ") data, err := json.MarshalIndent(m, "", " ")
if err != nil { if err != nil {
return fmt.Errorf("failed to marshal metadata: %w", err) return fmt.Errorf("failed to marshal metadata: %w", err)
@@ -97,7 +97,7 @@ func (m *BackupMetadata) Save() error {
// Load reads metadata from a .meta.json file // Load reads metadata from a .meta.json file
func Load(backupFile string) (*BackupMetadata, error) { func Load(backupFile string) (*BackupMetadata, error) {
metaPath := backupFile + ".meta.json" metaPath := backupFile + ".meta.json"
data, err := os.ReadFile(metaPath) data, err := os.ReadFile(metaPath)
if err != nil { if err != nil {
return nil, fmt.Errorf("failed to read metadata file: %w", err) return nil, fmt.Errorf("failed to read metadata file: %w", err)
@@ -114,7 +114,7 @@ func Load(backupFile string) (*BackupMetadata, error) {
// SaveCluster writes cluster metadata to a .meta.json file // SaveCluster writes cluster metadata to a .meta.json file
func (m *ClusterMetadata) Save(targetFile string) error { func (m *ClusterMetadata) Save(targetFile string) error {
metaPath := targetFile + ".meta.json" metaPath := targetFile + ".meta.json"
data, err := json.MarshalIndent(m, "", " ") data, err := json.MarshalIndent(m, "", " ")
if err != nil { if err != nil {
return fmt.Errorf("failed to marshal cluster metadata: %w", err) return fmt.Errorf("failed to marshal cluster metadata: %w", err)
@@ -130,7 +130,7 @@ func (m *ClusterMetadata) Save(targetFile string) error {
// LoadCluster reads cluster metadata from a .meta.json file // LoadCluster reads cluster metadata from a .meta.json file
func LoadCluster(targetFile string) (*ClusterMetadata, error) { func LoadCluster(targetFile string) (*ClusterMetadata, error) {
metaPath := targetFile + ".meta.json" metaPath := targetFile + ".meta.json"
data, err := os.ReadFile(metaPath) data, err := os.ReadFile(metaPath)
if err != nil { if err != nil {
return nil, fmt.Errorf("failed to read cluster metadata file: %w", err) return nil, fmt.Errorf("failed to read cluster metadata file: %w", err)
@@ -156,13 +156,13 @@ func ListBackups(dir string) ([]*BackupMetadata, error) {
for _, metaFile := range matches { for _, metaFile := range matches {
// Extract backup file path (remove .meta.json suffix) // Extract backup file path (remove .meta.json suffix)
backupFile := metaFile[:len(metaFile)-len(".meta.json")] backupFile := metaFile[:len(metaFile)-len(".meta.json")]
meta, err := Load(backupFile) meta, err := Load(backupFile)
if err != nil { if err != nil {
// Skip invalid metadata files // Skip invalid metadata files
continue continue
} }
backups = append(backups, meta) backups = append(backups, meta)
} }

34
internal/metrics/collector.go
View File

@@ -39,7 +39,7 @@ func NewMetricsCollector(log logger.Logger) *MetricsCollector {
func (mc *MetricsCollector) RecordOperation(operation, database string, start time.Time, sizeBytes int64, success bool, errorCount int) { func (mc *MetricsCollector) RecordOperation(operation, database string, start time.Time, sizeBytes int64, success bool, errorCount int) {
duration := time.Since(start) duration := time.Since(start)
throughput := calculateThroughput(sizeBytes, duration) throughput := calculateThroughput(sizeBytes, duration)
metric := OperationMetrics{ metric := OperationMetrics{
Operation: operation, Operation: operation,
Database: database, Database: database,
@@ -50,11 +50,11 @@ func (mc *MetricsCollector) RecordOperation(operation, database string, start ti
ErrorCount: errorCount, ErrorCount: errorCount,
Success: success, Success: success,
} }
mc.mu.Lock() mc.mu.Lock()
mc.metrics = append(mc.metrics, metric) mc.metrics = append(mc.metrics, metric)
mc.mu.Unlock() mc.mu.Unlock()
// Log structured metrics // Log structured metrics
if mc.logger != nil { if mc.logger != nil {
fields := map[string]interface{}{ fields := map[string]interface{}{
@@ -67,7 +67,7 @@ func (mc *MetricsCollector) RecordOperation(operation, database string, start ti
"error_count": errorCount, "error_count": errorCount,
"success": success, "success": success,
} }
if success { if success {
mc.logger.WithFields(fields).Info("Operation completed successfully") mc.logger.WithFields(fields).Info("Operation completed successfully")
} else { } else {
@@ -80,7 +80,7 @@ func (mc *MetricsCollector) RecordOperation(operation, database string, start ti
func (mc *MetricsCollector) RecordCompressionRatio(operation, database string, ratio float64) { func (mc *MetricsCollector) RecordCompressionRatio(operation, database string, ratio float64) {
mc.mu.Lock() mc.mu.Lock()
defer mc.mu.Unlock() defer mc.mu.Unlock()
// Find and update the most recent matching operation // Find and update the most recent matching operation
for i := len(mc.metrics) - 1; i >= 0; i-- { for i := len(mc.metrics) - 1; i >= 0; i-- {
if mc.metrics[i].Operation == operation && mc.metrics[i].Database == database { if mc.metrics[i].Operation == operation && mc.metrics[i].Database == database {
@@ -94,7 +94,7 @@ func (mc *MetricsCollector) RecordCompressionRatio(operation, database string, r
func (mc *MetricsCollector) GetMetrics() []OperationMetrics { func (mc *MetricsCollector) GetMetrics() []OperationMetrics {
mc.mu.RLock() mc.mu.RLock()
defer mc.mu.RUnlock() defer mc.mu.RUnlock()
result := make([]OperationMetrics, len(mc.metrics)) result := make([]OperationMetrics, len(mc.metrics))
copy(result, mc.metrics) copy(result, mc.metrics)
return result return result
@@ -104,15 +104,15 @@ func (mc *MetricsCollector) GetMetrics() []OperationMetrics {
func (mc *MetricsCollector) GetAverages() map[string]interface{} { func (mc *MetricsCollector) GetAverages() map[string]interface{} {
mc.mu.RLock() mc.mu.RLock()
defer mc.mu.RUnlock() defer mc.mu.RUnlock()
if len(mc.metrics) == 0 { if len(mc.metrics) == 0 {
return map[string]interface{}{} return map[string]interface{}{}
} }
var totalDuration time.Duration var totalDuration time.Duration
var totalSize, totalThroughput float64 var totalSize, totalThroughput float64
var successCount, errorCount int var successCount, errorCount int
for _, m := range mc.metrics { for _, m := range mc.metrics {
totalDuration += m.Duration totalDuration += m.Duration
totalSize += float64(m.SizeBytes) totalSize += float64(m.SizeBytes)
@@ -122,15 +122,15 @@ func (mc *MetricsCollector) GetAverages() map[string]interface{} {
} }
errorCount += m.ErrorCount errorCount += m.ErrorCount
} }
count := len(mc.metrics) count := len(mc.metrics)
return map[string]interface{}{ return map[string]interface{}{
"total_operations": count, "total_operations": count,
"success_rate": float64(successCount) / float64(count) * 100, "success_rate": float64(successCount) / float64(count) * 100,
"avg_duration_ms": totalDuration.Milliseconds() / int64(count), "avg_duration_ms": totalDuration.Milliseconds() / int64(count),
"avg_size_mb": totalSize / float64(count) / 1024 / 1024, "avg_size_mb": totalSize / float64(count) / 1024 / 1024,
"avg_throughput_mbps": totalThroughput / float64(count), "avg_throughput_mbps": totalThroughput / float64(count),
"total_errors": errorCount, "total_errors": errorCount,
} }
} }
@@ -159,4 +159,4 @@ var GlobalMetrics *MetricsCollector
// InitGlobalMetrics initializes the global metrics collector // InitGlobalMetrics initializes the global metrics collector
func InitGlobalMetrics(log logger.Logger) { func InitGlobalMetrics(log logger.Logger) {
GlobalMetrics = NewMetricsCollector(log) GlobalMetrics = NewMetricsCollector(log)
} }

22
internal/pitr/recovery_config.go
View File

@@ -24,18 +24,18 @@ func NewRecoveryConfigGenerator(log logger.Logger) *RecoveryConfigGenerator {
// RecoveryConfig holds all recovery configuration parameters // RecoveryConfig holds all recovery configuration parameters
type RecoveryConfig struct { type RecoveryConfig struct {
// Core recovery settings // Core recovery settings
Target *RecoveryTarget Target *RecoveryTarget
WALArchiveDir string WALArchiveDir string
RestoreCommand string RestoreCommand string
// PostgreSQL version // PostgreSQL version
PostgreSQLVersion int // Major version (12, 13, 14, etc.) PostgreSQLVersion int // Major version (12, 13, 14, etc.)
// Additional settings // Additional settings
PrimaryConnInfo string // For standby mode PrimaryConnInfo string // For standby mode
PrimarySlotName string // Replication slot name PrimarySlotName string // Replication slot name
RecoveryMinApplyDelay string // Min delay for replay RecoveryMinApplyDelay string // Min delay for replay
// Paths // Paths
DataDir string // PostgreSQL data directory DataDir string // PostgreSQL data directory
} }
@@ -61,7 +61,7 @@ func (rcg *RecoveryConfigGenerator) generateModernRecoveryConfig(config *Recover
// Create recovery.signal file (empty file that triggers recovery mode) // Create recovery.signal file (empty file that triggers recovery mode)
recoverySignalPath := filepath.Join(config.DataDir, "recovery.signal") recoverySignalPath := filepath.Join(config.DataDir, "recovery.signal")
rcg.log.Info("Creating recovery.signal file", "path", recoverySignalPath) rcg.log.Info("Creating recovery.signal file", "path", recoverySignalPath)
signalFile, err := os.Create(recoverySignalPath) signalFile, err := os.Create(recoverySignalPath)
if err != nil { if err != nil {
return fmt.Errorf("failed to create recovery.signal: %w", err) return fmt.Errorf("failed to create recovery.signal: %w", err)
@@ -180,7 +180,7 @@ func (rcg *RecoveryConfigGenerator) generateLegacyRecoveryConfig(config *Recover
func (rcg *RecoveryConfigGenerator) generateRestoreCommand(walArchiveDir string) string { func (rcg *RecoveryConfigGenerator) generateRestoreCommand(walArchiveDir string) string {
// The restore_command is executed by PostgreSQL to fetch WAL files // The restore_command is executed by PostgreSQL to fetch WAL files
// %f = WAL filename, %p = full path to copy WAL file to // %f = WAL filename, %p = full path to copy WAL file to
// Try multiple extensions (.gz.enc, .enc, .gz, plain) // Try multiple extensions (.gz.enc, .enc, .gz, plain)
// This handles compressed and/or encrypted WAL files // This handles compressed and/or encrypted WAL files
return fmt.Sprintf(`bash -c 'for ext in .gz.enc .enc .gz ""; do [ -f "%s/%%f$ext" ] && { [ -z "$ext" ] && cp "%s/%%f$ext" "%%p" || case "$ext" in *.gz.enc) gpg -d "%s/%%f$ext" | gunzip > "%%p" ;; *.enc) gpg -d "%s/%%f$ext" > "%%p" ;; *.gz) gunzip -c "%s/%%f$ext" > "%%p" ;; esac; exit 0; }; done; exit 1'`, return fmt.Sprintf(`bash -c 'for ext in .gz.enc .enc .gz ""; do [ -f "%s/%%f$ext" ] && { [ -z "$ext" ] && cp "%s/%%f$ext" "%%p" || case "$ext" in *.gz.enc) gpg -d "%s/%%f$ext" | gunzip > "%%p" ;; *.enc) gpg -d "%s/%%f$ext" > "%%p" ;; *.gz) gunzip -c "%s/%%f$ext" > "%%p" ;; esac; exit 0; }; done; exit 1'`,
@@ -232,14 +232,14 @@ func (rcg *RecoveryConfigGenerator) ValidateDataDirectory(dataDir string) error
// DetectPostgreSQLVersion detects the PostgreSQL version from the data directory // DetectPostgreSQLVersion detects the PostgreSQL version from the data directory
func (rcg *RecoveryConfigGenerator) DetectPostgreSQLVersion(dataDir string) (int, error) { func (rcg *RecoveryConfigGenerator) DetectPostgreSQLVersion(dataDir string) (int, error) {
pgVersionPath := filepath.Join(dataDir, "PG_VERSION") pgVersionPath := filepath.Join(dataDir, "PG_VERSION")
content, err := os.ReadFile(pgVersionPath) content, err := os.ReadFile(pgVersionPath)
if err != nil { if err != nil {
return 0, fmt.Errorf("failed to read PG_VERSION: %w", err) return 0, fmt.Errorf("failed to read PG_VERSION: %w", err)
} }
versionStr := strings.TrimSpace(string(content)) versionStr := strings.TrimSpace(string(content))
// Parse major version (e.g., "14" or "14.2") // Parse major version (e.g., "14" or "14.2")
parts := strings.Split(versionStr, ".") parts := strings.Split(versionStr, ".")
if len(parts) == 0 { if len(parts) == 0 {

34
internal/pitr/recovery_target.go
View File

@@ -10,10 +10,10 @@ import (
// RecoveryTarget represents a PostgreSQL recovery target // RecoveryTarget represents a PostgreSQL recovery target
type RecoveryTarget struct { type RecoveryTarget struct {
Type string // "time", "xid", "lsn", "name", "immediate" Type string // "time", "xid", "lsn", "name", "immediate"
Value string // The target value (timestamp, XID, LSN, or restore point name) Value string // The target value (timestamp, XID, LSN, or restore point name)
Action string // "promote", "pause", "shutdown" Action string // "promote", "pause", "shutdown"
Timeline string // Timeline to follow ("latest" or timeline ID) Timeline string // Timeline to follow ("latest" or timeline ID)
Inclusive bool // Whether target is inclusive (default: true) Inclusive bool // Whether target is inclusive (default: true)
} }
@@ -128,13 +128,13 @@ func (rt *RecoveryTarget) validateTime() error {
// Try parsing various timestamp formats // Try parsing various timestamp formats
formats := []string{ formats := []string{
"2006-01-02 15:04:05", // Standard format "2006-01-02 15:04:05", // Standard format
"2006-01-02 15:04:05.999999", // With microseconds "2006-01-02 15:04:05.999999", // With microseconds
"2006-01-02T15:04:05", // ISO 8601 "2006-01-02T15:04:05", // ISO 8601
"2006-01-02T15:04:05Z", // ISO 8601 with UTC "2006-01-02T15:04:05Z", // ISO 8601 with UTC
"2006-01-02T15:04:05-07:00", // ISO 8601 with timezone "2006-01-02T15:04:05-07:00", // ISO 8601 with timezone
time.RFC3339, // RFC3339 time.RFC3339, // RFC3339
time.RFC3339Nano, // RFC3339 with nanoseconds time.RFC3339Nano, // RFC3339 with nanoseconds
} }
var parseErr error var parseErr error
@@ -283,24 +283,24 @@ func FormatConfigLine(key, value string) string {
// String returns a human-readable representation of the recovery target // String returns a human-readable representation of the recovery target
func (rt *RecoveryTarget) String() string { func (rt *RecoveryTarget) String() string {
var sb strings.Builder var sb strings.Builder
sb.WriteString("Recovery Target:\n") sb.WriteString("Recovery Target:\n")
sb.WriteString(fmt.Sprintf(" Type: %s\n", rt.Type)) sb.WriteString(fmt.Sprintf(" Type: %s\n", rt.Type))
if rt.Type != TargetTypeImmediate { if rt.Type != TargetTypeImmediate {
sb.WriteString(fmt.Sprintf(" Value: %s\n", rt.Value)) sb.WriteString(fmt.Sprintf(" Value: %s\n", rt.Value))
} }
sb.WriteString(fmt.Sprintf(" Action: %s\n", rt.Action)) sb.WriteString(fmt.Sprintf(" Action: %s\n", rt.Action))
if rt.Timeline != "" { if rt.Timeline != "" {
sb.WriteString(fmt.Sprintf(" Timeline: %s\n", rt.Timeline)) sb.WriteString(fmt.Sprintf(" Timeline: %s\n", rt.Timeline))
} }
if rt.Type != TargetTypeImmediate && rt.Type != TargetTypeName { if rt.Type != TargetTypeImmediate && rt.Type != TargetTypeName {
sb.WriteString(fmt.Sprintf(" Inclusive: %v\n", rt.Inclusive)) sb.WriteString(fmt.Sprintf(" Inclusive: %v\n", rt.Inclusive))
} }
return sb.String() return sb.String()
} }

8
internal/pitr/restore.go
View File

@@ -284,7 +284,7 @@ func (ro *RestoreOrchestrator) startPostgreSQL(ctx context.Context, opts *Restor
} }
cmd := exec.CommandContext(ctx, pgCtl, "-D", opts.TargetDataDir, "-l", filepath.Join(opts.TargetDataDir, "logfile"), "start") cmd := exec.CommandContext(ctx, pgCtl, "-D", opts.TargetDataDir, "-l", filepath.Join(opts.TargetDataDir, "logfile"), "start")
output, err := cmd.CombinedOutput() output, err := cmd.CombinedOutput()
if err != nil { if err != nil {
ro.log.Error("PostgreSQL startup failed", "output", string(output)) ro.log.Error("PostgreSQL startup failed", "output", string(output))
@@ -321,18 +321,18 @@ func (ro *RestoreOrchestrator) monitorRecovery(ctx context.Context, opts *Restor
pidFile := filepath.Join(opts.TargetDataDir, "postmaster.pid") pidFile := filepath.Join(opts.TargetDataDir, "postmaster.pid")
if _, err := os.Stat(pidFile); err == nil { if _, err := os.Stat(pidFile); err == nil {
ro.log.Info("✅ PostgreSQL is running") ro.log.Info("✅ PostgreSQL is running")
// Check if recovery files still exist // Check if recovery files still exist
recoverySignal := filepath.Join(opts.TargetDataDir, "recovery.signal") recoverySignal := filepath.Join(opts.TargetDataDir, "recovery.signal")
recoveryConf := filepath.Join(opts.TargetDataDir, "recovery.conf") recoveryConf := filepath.Join(opts.TargetDataDir, "recovery.conf")
if _, err := os.Stat(recoverySignal); os.IsNotExist(err) { if _, err := os.Stat(recoverySignal); os.IsNotExist(err) {
if _, err := os.Stat(recoveryConf); os.IsNotExist(err) { if _, err := os.Stat(recoveryConf); os.IsNotExist(err) {
ro.log.Info("✅ Recovery completed - PostgreSQL promoted to primary") ro.log.Info("✅ Recovery completed - PostgreSQL promoted to primary")
return nil return nil
} }
} }
ro.log.Info("Recovery in progress...") ro.log.Info("Recovery in progress...")
} else { } else {
ro.log.Info("PostgreSQL not yet started or crashed") ro.log.Info("PostgreSQL not yet started or crashed")

86
internal/progress/detailed.go
View File

@@ -17,32 +17,32 @@ type DetailedReporter struct {
// OperationStatus represents the status of a backup/restore operation // OperationStatus represents the status of a backup/restore operation
type OperationStatus struct { type OperationStatus struct {
ID string `json:"id"` ID string `json:"id"`
Name string `json:"name"` Name string `json:"name"`
Type string `json:"type"` // "backup", "restore", "verify" Type string `json:"type"` // "backup", "restore", "verify"
Status string `json:"status"` // "running", "completed", "failed" Status string `json:"status"` // "running", "completed", "failed"
StartTime time.Time `json:"start_time"` StartTime time.Time `json:"start_time"`
EndTime *time.Time `json:"end_time,omitempty"` EndTime *time.Time `json:"end_time,omitempty"`
Duration time.Duration `json:"duration"` Duration time.Duration `json:"duration"`
Progress int `json:"progress"` // 0-100 Progress int `json:"progress"` // 0-100
Message string `json:"message"` Message string `json:"message"`
Details map[string]string `json:"details"` Details map[string]string `json:"details"`
Steps []StepStatus `json:"steps"` Steps []StepStatus `json:"steps"`
BytesTotal int64 `json:"bytes_total"` BytesTotal int64 `json:"bytes_total"`
BytesDone int64 `json:"bytes_done"` BytesDone int64 `json:"bytes_done"`
FilesTotal int `json:"files_total"` FilesTotal int `json:"files_total"`
FilesDone int `json:"files_done"` FilesDone int `json:"files_done"`
Errors []string `json:"errors,omitempty"` Errors []string `json:"errors,omitempty"`
} }
// StepStatus represents individual steps within an operation // StepStatus represents individual steps within an operation
type StepStatus struct { type StepStatus struct {
Name string `json:"name"` Name string `json:"name"`
Status string `json:"status"` Status string `json:"status"`
StartTime time.Time `json:"start_time"` StartTime time.Time `json:"start_time"`
EndTime *time.Time `json:"end_time,omitempty"` EndTime *time.Time `json:"end_time,omitempty"`
Duration time.Duration `json:"duration"` Duration time.Duration `json:"duration"`
Message string `json:"message"` Message string `json:"message"`
} }
// Logger interface for detailed reporting // Logger interface for detailed reporting
@@ -79,7 +79,7 @@ func (dr *DetailedReporter) StartOperation(id, name, opType string) *OperationTr
} }
dr.operations = append(dr.operations, operation) dr.operations = append(dr.operations, operation)
if dr.startTime.IsZero() { if dr.startTime.IsZero() {
dr.startTime = time.Now() dr.startTime = time.Now()
} }
@@ -90,9 +90,9 @@ func (dr *DetailedReporter) StartOperation(id, name, opType string) *OperationTr
} }
// Log operation start // Log operation start
dr.logger.Info("Operation started", dr.logger.Info("Operation started",
"id", id, "id", id,
"name", name, "name", name,
"type", opType, "type", opType,
"timestamp", operation.StartTime.Format(time.RFC3339)) "timestamp", operation.StartTime.Format(time.RFC3339))
@@ -117,7 +117,7 @@ func (ot *OperationTracker) UpdateProgress(progress int, message string) {
if ot.reporter.operations[i].ID == ot.operationID { if ot.reporter.operations[i].ID == ot.operationID {
ot.reporter.operations[i].Progress = progress ot.reporter.operations[i].Progress = progress
ot.reporter.operations[i].Message = message ot.reporter.operations[i].Message = message
// Update visual indicator // Update visual indicator
if ot.reporter.indicator != nil { if ot.reporter.indicator != nil {
progressMsg := fmt.Sprintf("[%d%%] %s", progress, message) progressMsg := fmt.Sprintf("[%d%%] %s", progress, message)
@@ -150,7 +150,7 @@ func (ot *OperationTracker) AddStep(name, message string) *StepTracker {
for i := range ot.reporter.operations { for i := range ot.reporter.operations {
if ot.reporter.operations[i].ID == ot.operationID { if ot.reporter.operations[i].ID == ot.operationID {
ot.reporter.operations[i].Steps = append(ot.reporter.operations[i].Steps, step) ot.reporter.operations[i].Steps = append(ot.reporter.operations[i].Steps, step)
// Log step start // Log step start
ot.reporter.logger.Info("Step started", ot.reporter.logger.Info("Step started",
"operation_id", ot.operationID, "operation_id", ot.operationID,
@@ -190,7 +190,7 @@ func (ot *OperationTracker) SetFileProgress(filesDone, filesTotal int) {
if ot.reporter.operations[i].ID == ot.operationID { if ot.reporter.operations[i].ID == ot.operationID {
ot.reporter.operations[i].FilesDone = filesDone ot.reporter.operations[i].FilesDone = filesDone
ot.reporter.operations[i].FilesTotal = filesTotal ot.reporter.operations[i].FilesTotal = filesTotal
if filesTotal > 0 { if filesTotal > 0 {
progress := (filesDone * 100) / filesTotal progress := (filesDone * 100) / filesTotal
ot.reporter.operations[i].Progress = progress ot.reporter.operations[i].Progress = progress
@@ -209,25 +209,25 @@ func (ot *OperationTracker) SetByteProgress(bytesDone, bytesTotal int64) {
if ot.reporter.operations[i].ID == ot.operationID { if ot.reporter.operations[i].ID == ot.operationID {
ot.reporter.operations[i].BytesDone = bytesDone ot.reporter.operations[i].BytesDone = bytesDone
ot.reporter.operations[i].BytesTotal = bytesTotal ot.reporter.operations[i].BytesTotal = bytesTotal
if bytesTotal > 0 { if bytesTotal > 0 {
progress := int((bytesDone * 100) / bytesTotal) progress := int((bytesDone * 100) / bytesTotal)
ot.reporter.operations[i].Progress = progress ot.reporter.operations[i].Progress = progress
// Calculate ETA and speed // Calculate ETA and speed
elapsed := time.Since(ot.reporter.operations[i].StartTime).Seconds() elapsed := time.Since(ot.reporter.operations[i].StartTime).Seconds()
if elapsed > 0 && bytesDone > 0 { if elapsed > 0 && bytesDone > 0 {
speed := float64(bytesDone) / elapsed // bytes/sec speed := float64(bytesDone) / elapsed // bytes/sec
remaining := bytesTotal - bytesDone remaining := bytesTotal - bytesDone
eta := time.Duration(float64(remaining)/speed) * time.Second eta := time.Duration(float64(remaining)/speed) * time.Second
// Update progress message with ETA and speed // Update progress message with ETA and speed
if ot.reporter.indicator != nil { if ot.reporter.indicator != nil {
speedStr := formatSpeed(int64(speed)) speedStr := formatSpeed(int64(speed))
etaStr := formatDuration(eta) etaStr := formatDuration(eta)
progressMsg := fmt.Sprintf("[%d%%] %s / %s (%s/s, ETA: %s)", progressMsg := fmt.Sprintf("[%d%%] %s / %s (%s/s, ETA: %s)",
progress, progress,
formatBytes(bytesDone), formatBytes(bytesDone),
formatBytes(bytesTotal), formatBytes(bytesTotal),
speedStr, speedStr,
etaStr) etaStr)
@@ -253,7 +253,7 @@ func (ot *OperationTracker) Complete(message string) {
ot.reporter.operations[i].EndTime = &now ot.reporter.operations[i].EndTime = &now
ot.reporter.operations[i].Duration = now.Sub(ot.reporter.operations[i].StartTime) ot.reporter.operations[i].Duration = now.Sub(ot.reporter.operations[i].StartTime)
ot.reporter.operations[i].Message = message ot.reporter.operations[i].Message = message
// Complete visual indicator // Complete visual indicator
if ot.reporter.indicator != nil { if ot.reporter.indicator != nil {
ot.reporter.indicator.Complete(fmt.Sprintf("✅ %s", message)) ot.reporter.indicator.Complete(fmt.Sprintf("✅ %s", message))
@@ -283,7 +283,7 @@ func (ot *OperationTracker) Fail(err error) {
ot.reporter.operations[i].Duration = now.Sub(ot.reporter.operations[i].StartTime) ot.reporter.operations[i].Duration = now.Sub(ot.reporter.operations[i].StartTime)
ot.reporter.operations[i].Message = err.Error() ot.reporter.operations[i].Message = err.Error()
ot.reporter.operations[i].Errors = append(ot.reporter.operations[i].Errors, err.Error()) ot.reporter.operations[i].Errors = append(ot.reporter.operations[i].Errors, err.Error())
// Fail visual indicator // Fail visual indicator
if ot.reporter.indicator != nil { if ot.reporter.indicator != nil {
ot.reporter.indicator.Fail(fmt.Sprintf("❌ %s", err.Error())) ot.reporter.indicator.Fail(fmt.Sprintf("❌ %s", err.Error()))
@@ -321,7 +321,7 @@ func (st *StepTracker) Complete(message string) {
st.reporter.operations[i].Steps[j].EndTime = &now st.reporter.operations[i].Steps[j].EndTime = &now
st.reporter.operations[i].Steps[j].Duration = now.Sub(st.reporter.operations[i].Steps[j].StartTime) st.reporter.operations[i].Steps[j].Duration = now.Sub(st.reporter.operations[i].Steps[j].StartTime)
st.reporter.operations[i].Steps[j].Message = message st.reporter.operations[i].Steps[j].Message = message
// Log step completion // Log step completion
st.reporter.logger.Info("Step completed", st.reporter.logger.Info("Step completed",
"operation_id", st.operationID, "operation_id", st.operationID,
@@ -351,7 +351,7 @@ func (st *StepTracker) Fail(err error) {
st.reporter.operations[i].Steps[j].EndTime = &now st.reporter.operations[i].Steps[j].EndTime = &now
st.reporter.operations[i].Steps[j].Duration = now.Sub(st.reporter.operations[i].Steps[j].StartTime) st.reporter.operations[i].Steps[j].Duration = now.Sub(st.reporter.operations[i].Steps[j].StartTime)
st.reporter.operations[i].Steps[j].Message = err.Error() st.reporter.operations[i].Steps[j].Message = err.Error()
// Log step failure // Log step failure
st.reporter.logger.Error("Step failed", st.reporter.logger.Error("Step failed",
"operation_id", st.operationID, "operation_id", st.operationID,
@@ -428,8 +428,8 @@ type OperationSummary struct {
func (os *OperationSummary) FormatSummary() string { func (os *OperationSummary) FormatSummary() string {
return fmt.Sprintf( return fmt.Sprintf(
"📊 Operations Summary:\n"+ "📊 Operations Summary:\n"+
" Total: %d | Completed: %d | Failed: %d | Running: %d\n"+ " Total: %d | Completed: %d | Failed: %d | Running: %d\n"+
" Total Duration: %s", " Total Duration: %s",
os.TotalOperations, os.TotalOperations,
os.CompletedOperations, os.CompletedOperations,
os.FailedOperations, os.FailedOperations,
@@ -461,7 +461,7 @@ func formatBytes(bytes int64) string {
GB = 1024 * MB GB = 1024 * MB
TB = 1024 * GB TB = 1024 * GB
) )
switch { switch {
case bytes >= TB: case bytes >= TB:
return fmt.Sprintf("%.2f TB", float64(bytes)/float64(TB)) return fmt.Sprintf("%.2f TB", float64(bytes)/float64(TB))
@@ -483,7 +483,7 @@ func formatSpeed(bytesPerSec int64) string {
MB = 1024 * KB MB = 1024 * KB
GB = 1024 * MB GB = 1024 * MB
) )
switch { switch {
case bytesPerSec >= GB: case bytesPerSec >= GB:
return fmt.Sprintf("%.2f GB", float64(bytesPerSec)/float64(GB)) return fmt.Sprintf("%.2f GB", float64(bytesPerSec)/float64(GB))
@@ -494,4 +494,4 @@ func formatSpeed(bytesPerSec int64) string {
default: default:
return fmt.Sprintf("%d B", bytesPerSec) return fmt.Sprintf("%d B", bytesPerSec)
} }
} }

24
internal/progress/estimator.go
View File

@@ -42,11 +42,11 @@ func (e *ETAEstimator) GetETA() time.Duration {
if e.itemsComplete == 0 || e.totalItems == 0 { if e.itemsComplete == 0 || e.totalItems == 0 {
return 0 return 0
} }
elapsed := e.GetElapsed() elapsed := e.GetElapsed()
avgTimePerItem := elapsed / time.Duration(e.itemsComplete) avgTimePerItem := elapsed / time.Duration(e.itemsComplete)
remainingItems := e.totalItems - e.itemsComplete remainingItems := e.totalItems - e.itemsComplete
return avgTimePerItem * time.Duration(remainingItems) return avgTimePerItem * time.Duration(remainingItems)
} }
@@ -83,12 +83,12 @@ func (e *ETAEstimator) GetFullStatus(baseMessage string) string {
// No items to track, just show elapsed // No items to track, just show elapsed
return fmt.Sprintf("%s | Elapsed: %s", baseMessage, e.FormatElapsed()) return fmt.Sprintf("%s | Elapsed: %s", baseMessage, e.FormatElapsed())
} }
if e.itemsComplete == 0 { if e.itemsComplete == 0 {
// Just started // Just started
return fmt.Sprintf("%s | 0/%d | Starting...", baseMessage, e.totalItems) return fmt.Sprintf("%s | 0/%d | Starting...", baseMessage, e.totalItems)
} }
// Full status with progress and ETA // Full status with progress and ETA
return fmt.Sprintf("%s | %s | Elapsed: %s | ETA: %s", return fmt.Sprintf("%s | %s | Elapsed: %s | ETA: %s",
baseMessage, baseMessage,
@@ -102,44 +102,44 @@ func FormatDuration(d time.Duration) string {
if d < time.Second { if d < time.Second {
return "< 1s" return "< 1s"
} }
hours := int(d.Hours()) hours := int(d.Hours())
minutes := int(d.Minutes()) % 60 minutes := int(d.Minutes()) % 60
seconds := int(d.Seconds()) % 60 seconds := int(d.Seconds()) % 60
if hours > 0 { if hours > 0 {
if minutes > 0 { if minutes > 0 {
return fmt.Sprintf("%dh %dm", hours, minutes) return fmt.Sprintf("%dh %dm", hours, minutes)
} }
return fmt.Sprintf("%dh", hours) return fmt.Sprintf("%dh", hours)
} }
if minutes > 0 { if minutes > 0 {
if seconds > 5 { // Only show seconds if > 5 if seconds > 5 { // Only show seconds if > 5
return fmt.Sprintf("%dm %ds", minutes, seconds) return fmt.Sprintf("%dm %ds", minutes, seconds)
} }
return fmt.Sprintf("%dm", minutes) return fmt.Sprintf("%dm", minutes)
} }
return fmt.Sprintf("%ds", seconds) return fmt.Sprintf("%ds", seconds)
} }
// EstimateSizeBasedDuration estimates duration based on size (fallback when no progress tracking) // EstimateSizeBasedDuration estimates duration based on size (fallback when no progress tracking)
func EstimateSizeBasedDuration(sizeBytes int64, cores int) time.Duration { func EstimateSizeBasedDuration(sizeBytes int64, cores int) time.Duration {
sizeMB := float64(sizeBytes) / (1024 * 1024) sizeMB := float64(sizeBytes) / (1024 * 1024)
// Base estimate: ~100MB per minute on average hardware // Base estimate: ~100MB per minute on average hardware
baseMinutes := sizeMB / 100.0 baseMinutes := sizeMB / 100.0
// Adjust for CPU cores (more cores = faster, but not linear) // Adjust for CPU cores (more cores = faster, but not linear)
// Use square root to represent diminishing returns // Use square root to represent diminishing returns
if cores > 1 { if cores > 1 {
speedup := 1.0 + (0.3 * (float64(cores) - 1)) // 30% improvement per core speedup := 1.0 + (0.3 * (float64(cores) - 1)) // 30% improvement per core
baseMinutes = baseMinutes / speedup baseMinutes = baseMinutes / speedup
} }
// Add 20% buffer for safety // Add 20% buffer for safety
baseMinutes = baseMinutes * 1.2 baseMinutes = baseMinutes * 1.2
return time.Duration(baseMinutes * float64(time.Minute)) return time.Duration(baseMinutes * float64(time.Minute))
} }

73
internal/progress/estimator_test.go
View File

@@ -7,19 +7,19 @@ import (
func TestNewETAEstimator(t *testing.T) { func TestNewETAEstimator(t *testing.T) {
estimator := NewETAEstimator("Test Operation", 10) estimator := NewETAEstimator("Test Operation", 10)
if estimator.operation != "Test Operation" { if estimator.operation != "Test Operation" {
t.Errorf("Expected operation 'Test Operation', got '%s'", estimator.operation) t.Errorf("Expected operation 'Test Operation', got '%s'", estimator.operation)
} }
if estimator.totalItems != 10 { if estimator.totalItems != 10 {
t.Errorf("Expected totalItems 10, got %d", estimator.totalItems) t.Errorf("Expected totalItems 10, got %d", estimator.totalItems)
} }
if estimator.itemsComplete != 0 { if estimator.itemsComplete != 0 {
t.Errorf("Expected itemsComplete 0, got %d", estimator.itemsComplete) t.Errorf("Expected itemsComplete 0, got %d", estimator.itemsComplete)
} }
if estimator.startTime.IsZero() { if estimator.startTime.IsZero() {
t.Error("Expected startTime to be set") t.Error("Expected startTime to be set")
} }
@@ -27,12 +27,12 @@ func TestNewETAEstimator(t *testing.T) {
func TestUpdateProgress(t *testing.T) { func TestUpdateProgress(t *testing.T) {
estimator := NewETAEstimator("Test", 10) estimator := NewETAEstimator("Test", 10)
estimator.UpdateProgress(5) estimator.UpdateProgress(5)
if estimator.itemsComplete != 5 { if estimator.itemsComplete != 5 {
t.Errorf("Expected itemsComplete 5, got %d", estimator.itemsComplete) t.Errorf("Expected itemsComplete 5, got %d", estimator.itemsComplete)
} }
estimator.UpdateProgress(8) estimator.UpdateProgress(8)
if estimator.itemsComplete != 8 { if estimator.itemsComplete != 8 {
t.Errorf("Expected itemsComplete 8, got %d", estimator.itemsComplete) t.Errorf("Expected itemsComplete 8, got %d", estimator.itemsComplete)
@@ -41,24 +41,24 @@ func TestUpdateProgress(t *testing.T) {
func TestGetProgress(t *testing.T) { func TestGetProgress(t *testing.T) {
estimator := NewETAEstimator("Test", 10) estimator := NewETAEstimator("Test", 10)
// Test 0% progress // Test 0% progress
if progress := estimator.GetProgress(); progress != 0 { if progress := estimator.GetProgress(); progress != 0 {
t.Errorf("Expected 0%%, got %.2f%%", progress) t.Errorf("Expected 0%%, got %.2f%%", progress)
} }
// Test 50% progress // Test 50% progress
estimator.UpdateProgress(5) estimator.UpdateProgress(5)
if progress := estimator.GetProgress(); progress != 50.0 { if progress := estimator.GetProgress(); progress != 50.0 {
t.Errorf("Expected 50%%, got %.2f%%", progress) t.Errorf("Expected 50%%, got %.2f%%", progress)
} }
// Test 100% progress // Test 100% progress
estimator.UpdateProgress(10) estimator.UpdateProgress(10)
if progress := estimator.GetProgress(); progress != 100.0 { if progress := estimator.GetProgress(); progress != 100.0 {
t.Errorf("Expected 100%%, got %.2f%%", progress) t.Errorf("Expected 100%%, got %.2f%%", progress)
} }
// Test zero division // Test zero division
zeroEstimator := NewETAEstimator("Test", 0) zeroEstimator := NewETAEstimator("Test", 0)
if progress := zeroEstimator.GetProgress(); progress != 0 { if progress := zeroEstimator.GetProgress(); progress != 0 {
@@ -68,10 +68,10 @@ func TestGetProgress(t *testing.T) {
func TestGetElapsed(t *testing.T) { func TestGetElapsed(t *testing.T) {
estimator := NewETAEstimator("Test", 10) estimator := NewETAEstimator("Test", 10)
// Wait a bit // Wait a bit
time.Sleep(100 * time.Millisecond) time.Sleep(100 * time.Millisecond)
elapsed := estimator.GetElapsed() elapsed := estimator.GetElapsed()
if elapsed < 100*time.Millisecond { if elapsed < 100*time.Millisecond {
t.Errorf("Expected elapsed time >= 100ms, got %v", elapsed) t.Errorf("Expected elapsed time >= 100ms, got %v", elapsed)
@@ -80,16 +80,16 @@ func TestGetElapsed(t *testing.T) {
func TestGetETA(t *testing.T) { func TestGetETA(t *testing.T) {
estimator := NewETAEstimator("Test", 10) estimator := NewETAEstimator("Test", 10)
// No progress yet, ETA should be 0 // No progress yet, ETA should be 0
if eta := estimator.GetETA(); eta != 0 { if eta := estimator.GetETA(); eta != 0 {
t.Errorf("Expected ETA 0 for no progress, got %v", eta) t.Errorf("Expected ETA 0 for no progress, got %v", eta)
} }
// Simulate 5 items completed in 5 seconds // Simulate 5 items completed in 5 seconds
estimator.startTime = time.Now().Add(-5 * time.Second) estimator.startTime = time.Now().Add(-5 * time.Second)
estimator.UpdateProgress(5) estimator.UpdateProgress(5)
eta := estimator.GetETA() eta := estimator.GetETA()
// Should be approximately 5 seconds (5 items remaining at 1 sec/item) // Should be approximately 5 seconds (5 items remaining at 1 sec/item)
if eta < 4*time.Second || eta > 6*time.Second { if eta < 4*time.Second || eta > 6*time.Second {
@@ -99,18 +99,18 @@ func TestGetETA(t *testing.T) {
func TestFormatProgress(t *testing.T) { func TestFormatProgress(t *testing.T) {
estimator := NewETAEstimator("Test", 13) estimator := NewETAEstimator("Test", 13)
// Test at 0% // Test at 0%
if result := estimator.FormatProgress(); result != "0/13 (0%)" { if result := estimator.FormatProgress(); result != "0/13 (0%)" {
t.Errorf("Expected '0/13 (0%%)', got '%s'", result) t.Errorf("Expected '0/13 (0%%)', got '%s'", result)
} }
// Test at 38% // Test at 38%
estimator.UpdateProgress(5) estimator.UpdateProgress(5)
if result := estimator.FormatProgress(); result != "5/13 (38%)" { if result := estimator.FormatProgress(); result != "5/13 (38%)" {
t.Errorf("Expected '5/13 (38%%)', got '%s'", result) t.Errorf("Expected '5/13 (38%%)', got '%s'", result)
} }
// Test at 100% // Test at 100%
estimator.UpdateProgress(13) estimator.UpdateProgress(13)
if result := estimator.FormatProgress(); result != "13/13 (100%)" { if result := estimator.FormatProgress(); result != "13/13 (100%)" {
@@ -125,16 +125,16 @@ func TestFormatDuration(t *testing.T) {
}{ }{
{500 * time.Millisecond, "< 1s"}, {500 * time.Millisecond, "< 1s"},
{5 * time.Second, "5s"}, {5 * time.Second, "5s"},
{65 * time.Second, "1m"}, // 5 seconds not shown (<=5) {65 * time.Second, "1m"}, // 5 seconds not shown (<=5)
{125 * time.Second, "2m"}, // 5 seconds not shown (<=5) {125 * time.Second, "2m"}, // 5 seconds not shown (<=5)
{3 * time.Minute, "3m"}, {3 * time.Minute, "3m"},
{3*time.Minute + 3*time.Second, "3m"}, // < 5 seconds not shown {3*time.Minute + 3*time.Second, "3m"}, // < 5 seconds not shown
{3*time.Minute + 10*time.Second, "3m 10s"}, // > 5 seconds shown {3*time.Minute + 10*time.Second, "3m 10s"}, // > 5 seconds shown
{90 * time.Minute, "1h 30m"}, {90 * time.Minute, "1h 30m"},
{120 * time.Minute, "2h"}, {120 * time.Minute, "2h"},
{150 * time.Minute, "2h 30m"}, {150 * time.Minute, "2h 30m"},
} }
for _, tt := range tests { for _, tt := range tests {
result := FormatDuration(tt.duration) result := FormatDuration(tt.duration)
if result != tt.expected { if result != tt.expected {
@@ -145,16 +145,16 @@ func TestFormatDuration(t *testing.T) {
func TestFormatETA(t *testing.T) { func TestFormatETA(t *testing.T) {
estimator := NewETAEstimator("Test", 10) estimator := NewETAEstimator("Test", 10)
// No progress - should show "calculating..." // No progress - should show "calculating..."
if result := estimator.FormatETA(); result != "calculating..." { if result := estimator.FormatETA(); result != "calculating..." {
t.Errorf("Expected 'calculating...', got '%s'", result) t.Errorf("Expected 'calculating...', got '%s'", result)
} }
// With progress // With progress
estimator.startTime = time.Now().Add(-10 * time.Second) estimator.startTime = time.Now().Add(-10 * time.Second)
estimator.UpdateProgress(5) estimator.UpdateProgress(5)
result := estimator.FormatETA() result := estimator.FormatETA()
if result != "~10s remaining" { if result != "~10s remaining" {
t.Errorf("Expected '~10s remaining', got '%s'", result) t.Errorf("Expected '~10s remaining', got '%s'", result)
@@ -164,7 +164,7 @@ func TestFormatETA(t *testing.T) {
func TestFormatElapsed(t *testing.T) { func TestFormatElapsed(t *testing.T) {
estimator := NewETAEstimator("Test", 10) estimator := NewETAEstimator("Test", 10)
estimator.startTime = time.Now().Add(-45 * time.Second) estimator.startTime = time.Now().Add(-45 * time.Second)
result := estimator.FormatElapsed() result := estimator.FormatElapsed()
if result != "45s" { if result != "45s" {
t.Errorf("Expected '45s', got '%s'", result) t.Errorf("Expected '45s', got '%s'", result)
@@ -173,23 +173,23 @@ func TestFormatElapsed(t *testing.T) {
func TestGetFullStatus(t *testing.T) { func TestGetFullStatus(t *testing.T) {
estimator := NewETAEstimator("Backing up cluster", 13) estimator := NewETAEstimator("Backing up cluster", 13)
// Just started (0 items) // Just started (0 items)
result := estimator.GetFullStatus("Backing up cluster") result := estimator.GetFullStatus("Backing up cluster")
if result != "Backing up cluster | 0/13 | Starting..." { if result != "Backing up cluster | 0/13 | Starting..." {
t.Errorf("Unexpected result for 0 items: '%s'", result) t.Errorf("Unexpected result for 0 items: '%s'", result)
} }
// With progress // With progress
estimator.startTime = time.Now().Add(-30 * time.Second) estimator.startTime = time.Now().Add(-30 * time.Second)
estimator.UpdateProgress(5) estimator.UpdateProgress(5)
result = estimator.GetFullStatus("Backing up cluster") result = estimator.GetFullStatus("Backing up cluster")
// Should contain all components // Should contain all components
if len(result) < 50 { // Reasonable minimum length if len(result) < 50 { // Reasonable minimum length
t.Errorf("Result too short: '%s'", result) t.Errorf("Result too short: '%s'", result)
} }
// Check it contains key elements (format may vary slightly) // Check it contains key elements (format may vary slightly)
if !contains(result, "5/13") { if !contains(result, "5/13") {
t.Errorf("Result missing progress '5/13': '%s'", result) t.Errorf("Result missing progress '5/13': '%s'", result)
@@ -208,7 +208,7 @@ func TestGetFullStatus(t *testing.T) {
func TestGetFullStatusWithZeroItems(t *testing.T) { func TestGetFullStatusWithZeroItems(t *testing.T) {
estimator := NewETAEstimator("Test Operation", 0) estimator := NewETAEstimator("Test Operation", 0)
estimator.startTime = time.Now().Add(-5 * time.Second) estimator.startTime = time.Now().Add(-5 * time.Second)
result := estimator.GetFullStatus("Test Operation") result := estimator.GetFullStatus("Test Operation")
// Should only show elapsed time when no items to track // Should only show elapsed time when no items to track
if !contains(result, "Test Operation") || !contains(result, "Elapsed:") { if !contains(result, "Test Operation") || !contains(result, "Elapsed:") {
@@ -226,13 +226,13 @@ func TestEstimateSizeBasedDuration(t *testing.T) {
if duration < 60*time.Second || duration > 90*time.Second { if duration < 60*time.Second || duration > 90*time.Second {
t.Errorf("Expected ~1.2 minutes for 100MB/1core, got %v", duration) t.Errorf("Expected ~1.2 minutes for 100MB/1core, got %v", duration)
} }
// Test 100MB with 8 cores (should be faster) // Test 100MB with 8 cores (should be faster)
duration8cores := EstimateSizeBasedDuration(100*1024*1024, 8) duration8cores := EstimateSizeBasedDuration(100*1024*1024, 8)
if duration8cores >= duration { if duration8cores >= duration {
t.Errorf("Expected faster with more cores: %v vs %v", duration8cores, duration) t.Errorf("Expected faster with more cores: %v vs %v", duration8cores, duration)
} }
// Test larger file // Test larger file
duration1GB := EstimateSizeBasedDuration(1024*1024*1024, 1) duration1GB := EstimateSizeBasedDuration(1024*1024*1024, 1)
if duration1GB <= duration { if duration1GB <= duration {
@@ -242,9 +242,8 @@ func TestEstimateSizeBasedDuration(t *testing.T) {
// Helper function // Helper function
func contains(s, substr string) bool { func contains(s, substr string) bool {
return len(s) >= len(substr) && (s == substr || return len(s) >= len(substr) && (s == substr ||
len(s) > len(substr) && ( len(s) > len(substr) && (s[:len(substr)] == substr ||
s[:len(substr)] == substr ||
s[len(s)-len(substr):] == substr || s[len(s)-len(substr):] == substr ||
indexHelper(s, substr) >= 0)) indexHelper(s, substr) >= 0))
} }

46
internal/progress/progress.go
View File

@@ -43,11 +43,11 @@ func NewSpinner() *Spinner {
func (s *Spinner) Start(message string) { func (s *Spinner) Start(message string) {
s.message = message s.message = message
s.active = true s.active = true
go func() { go func() {
ticker := time.NewTicker(s.interval) ticker := time.NewTicker(s.interval)
defer ticker.Stop() defer ticker.Stop()
i := 0 i := 0
lastMessage := "" lastMessage := ""
for { for {
@@ -57,12 +57,12 @@ func (s *Spinner) Start(message string) {
case <-ticker.C: case <-ticker.C:
if s.active { if s.active {
displayMsg := s.message displayMsg := s.message
// Add ETA info if estimator is available // Add ETA info if estimator is available
if s.estimator != nil { if s.estimator != nil {
displayMsg = s.estimator.GetFullStatus(s.message) displayMsg = s.estimator.GetFullStatus(s.message)
} }
currentFrame := fmt.Sprintf("%s %s", s.frames[i%len(s.frames)], displayMsg) currentFrame := fmt.Sprintf("%s %s", s.frames[i%len(s.frames)], displayMsg)
if s.message != lastMessage { if s.message != lastMessage {
// Print new line for new messages // Print new line for new messages
@@ -130,13 +130,13 @@ func NewDots() *Dots {
func (d *Dots) Start(message string) { func (d *Dots) Start(message string) {
d.message = message d.message = message
d.active = true d.active = true
fmt.Fprint(d.writer, message) fmt.Fprint(d.writer, message)
go func() { go func() {
ticker := time.NewTicker(500 * time.Millisecond) ticker := time.NewTicker(500 * time.Millisecond)
defer ticker.Stop() defer ticker.Stop()
count := 0 count := 0
for { for {
select { select {
@@ -191,13 +191,13 @@ func (d *Dots) SetEstimator(estimator *ETAEstimator) {
// ProgressBar creates a visual progress bar // ProgressBar creates a visual progress bar
type ProgressBar struct { type ProgressBar struct {
writer io.Writer writer io.Writer
message string message string
total int total int
current int current int
width int width int
active bool active bool
stopCh chan bool stopCh chan bool
} }
// NewProgressBar creates a new progress bar // NewProgressBar creates a new progress bar
@@ -265,12 +265,12 @@ func (p *ProgressBar) render() {
if !p.active { if !p.active {
return return
} }
percent := float64(p.current) / float64(p.total) percent := float64(p.current) / float64(p.total)
filled := int(percent * float64(p.width)) filled := int(percent * float64(p.width))
bar := strings.Repeat("█", filled) + strings.Repeat("░", p.width-filled) bar := strings.Repeat("█", filled) + strings.Repeat("░", p.width-filled)
fmt.Fprintf(p.writer, "\n%s [%s] %d%%", p.message, bar, int(percent*100)) fmt.Fprintf(p.writer, "\n%s [%s] %d%%", p.message, bar, int(percent*100))
} }
@@ -432,7 +432,7 @@ func NewIndicator(interactive bool, indicatorType string) Indicator {
if !interactive { if !interactive {
return NewLineByLine() // Use line-by-line for non-interactive mode return NewLineByLine() // Use line-by-line for non-interactive mode
} }
switch indicatorType { switch indicatorType {
case "spinner": case "spinner":
return NewSpinner() return NewSpinner()
@@ -457,9 +457,9 @@ func NewNullIndicator() *NullIndicator {
return &NullIndicator{} return &NullIndicator{}
} }
func (n *NullIndicator) Start(message string) {} func (n *NullIndicator) Start(message string) {}
func (n *NullIndicator) Update(message string) {} func (n *NullIndicator) Update(message string) {}
func (n *NullIndicator) Complete(message string) {} func (n *NullIndicator) Complete(message string) {}
func (n *NullIndicator) Fail(message string) {} func (n *NullIndicator) Fail(message string) {}
func (n *NullIndicator) Stop() {} func (n *NullIndicator) Stop() {}
func (n *NullIndicator) SetEstimator(estimator *ETAEstimator) {} func (n *NullIndicator) SetEstimator(estimator *ETAEstimator) {}

1
internal/restore/diskspace_bsd.go
View File

@@ -1,3 +1,4 @@
//go:build openbsd
// +build openbsd // +build openbsd
package restore package restore

1
internal/restore/diskspace_netbsd.go
View File

@@ -1,3 +1,4 @@
//go:build netbsd
// +build netbsd // +build netbsd
package restore package restore

1
internal/restore/diskspace_unix.go
View File

@@ -1,3 +1,4 @@
//go:build !windows && !openbsd && !netbsd
// +build !windows,!openbsd,!netbsd // +build !windows,!openbsd,!netbsd
package restore package restore

1
internal/restore/diskspace_windows.go
View File

@@ -1,3 +1,4 @@
//go:build windows
// +build windows // +build windows
package restore package restore

88
internal/restore/engine.go
View File

@@ -358,21 +358,21 @@ func (e *Engine) executeRestoreCommand(ctx context.Context, cmdArgs []string) er
e.log.Warn("Restore completed with ignorable errors", "error_count", errorCount, "last_error", lastError) e.log.Warn("Restore completed with ignorable errors", "error_count", errorCount, "last_error", lastError)
return nil // Success despite ignorable errors return nil // Success despite ignorable errors
} }
// Classify error and provide helpful hints // Classify error and provide helpful hints
if lastError != "" { if lastError != "" {
classification := checks.ClassifyError(lastError) classification := checks.ClassifyError(lastError)
e.log.Error("Restore command failed", e.log.Error("Restore command failed",
"error", err, "error", err,
"last_stderr", lastError, "last_stderr", lastError,
"error_count", errorCount, "error_count", errorCount,
"error_type", classification.Type, "error_type", classification.Type,
"hint", classification.Hint, "hint", classification.Hint,
"action", classification.Action) "action", classification.Action)
return fmt.Errorf("restore failed: %w (last error: %s, total errors: %d) - %s", return fmt.Errorf("restore failed: %w (last error: %s, total errors: %d) - %s",
err, lastError, errorCount, classification.Hint) err, lastError, errorCount, classification.Hint)
} }
e.log.Error("Restore command failed", "error", err, "last_stderr", lastError, "error_count", errorCount) e.log.Error("Restore command failed", "error", err, "last_stderr", lastError, "error_count", errorCount)
return fmt.Errorf("restore failed: %w", err) return fmt.Errorf("restore failed: %w", err)
} }
@@ -440,21 +440,21 @@ func (e *Engine) executeRestoreWithDecompression(ctx context.Context, archivePat
e.log.Warn("Restore with decompression completed with ignorable errors", "error_count", errorCount, "last_error", lastError) e.log.Warn("Restore with decompression completed with ignorable errors", "error_count", errorCount, "last_error", lastError)
return nil // Success despite ignorable errors return nil // Success despite ignorable errors
} }
// Classify error and provide helpful hints // Classify error and provide helpful hints
if lastError != "" { if lastError != "" {
classification := checks.ClassifyError(lastError) classification := checks.ClassifyError(lastError)
e.log.Error("Restore with decompression failed", e.log.Error("Restore with decompression failed",
"error", err, "error", err,
"last_stderr", lastError, "last_stderr", lastError,
"error_count", errorCount, "error_count", errorCount,
"error_type", classification.Type, "error_type", classification.Type,
"hint", classification.Hint, "hint", classification.Hint,
"action", classification.Action) "action", classification.Action)
return fmt.Errorf("restore failed: %w (last error: %s, total errors: %d) - %s", return fmt.Errorf("restore failed: %w (last error: %s, total errors: %d) - %s",
err, lastError, errorCount, classification.Hint) err, lastError, errorCount, classification.Hint)
} }
e.log.Error("Restore with decompression failed", "error", err, "last_stderr", lastError, "error_count", errorCount) e.log.Error("Restore with decompression failed", "error", err, "last_stderr", lastError, "error_count", errorCount)
return fmt.Errorf("restore failed: %w", err) return fmt.Errorf("restore failed: %w", err)
} }
@@ -530,20 +530,20 @@ func (e *Engine) RestoreCluster(ctx context.Context, archivePath string) error {
operation.Fail("Invalid cluster archive format") operation.Fail("Invalid cluster archive format")
return fmt.Errorf("not a cluster archive: %s (detected format: %s)", archivePath, format) return fmt.Errorf("not a cluster archive: %s (detected format: %s)", archivePath, format)
} }
// Check disk space before starting restore // Check disk space before starting restore
e.log.Info("Checking disk space for restore") e.log.Info("Checking disk space for restore")
archiveInfo, err := os.Stat(archivePath) archiveInfo, err := os.Stat(archivePath)
if err == nil { if err == nil {
spaceCheck := checks.CheckDiskSpaceForRestore(e.cfg.BackupDir, archiveInfo.Size()) spaceCheck := checks.CheckDiskSpaceForRestore(e.cfg.BackupDir, archiveInfo.Size())
if spaceCheck.Critical { if spaceCheck.Critical {
operation.Fail("Insufficient disk space") operation.Fail("Insufficient disk space")
return fmt.Errorf("insufficient disk space for restore: %.1f%% used - need at least 4x archive size", spaceCheck.UsedPercent) return fmt.Errorf("insufficient disk space for restore: %.1f%% used - need at least 4x archive size", spaceCheck.UsedPercent)
} }
if spaceCheck.Warning { if spaceCheck.Warning {
e.log.Warn("Low disk space - restore may fail", e.log.Warn("Low disk space - restore may fail",
"available_gb", float64(spaceCheck.AvailableBytes)/(1024*1024*1024), "available_gb", float64(spaceCheck.AvailableBytes)/(1024*1024*1024),
"used_percent", spaceCheck.UsedPercent) "used_percent", spaceCheck.UsedPercent)
} }
@@ -638,13 +638,13 @@ func (e *Engine) RestoreCluster(ctx context.Context, archivePath string) error {
// Check for large objects in dump files and adjust parallelism // Check for large objects in dump files and adjust parallelism
hasLargeObjects := e.detectLargeObjectsInDumps(dumpsDir, entries) hasLargeObjects := e.detectLargeObjectsInDumps(dumpsDir, entries)
// Use worker pool for parallel restore // Use worker pool for parallel restore
parallelism := e.cfg.ClusterParallelism parallelism := e.cfg.ClusterParallelism
if parallelism < 1 { if parallelism < 1 {
parallelism = 1 // Ensure at least sequential parallelism = 1 // Ensure at least sequential
} }
// Automatically reduce parallelism if large objects detected // Automatically reduce parallelism if large objects detected
if hasLargeObjects && parallelism > 1 { if hasLargeObjects && parallelism > 1 {
e.log.Warn("Large objects detected in dump files - reducing parallelism to avoid lock contention", e.log.Warn("Large objects detected in dump files - reducing parallelism to avoid lock contention",
@@ -731,13 +731,13 @@ func (e *Engine) RestoreCluster(ctx context.Context, archivePath string) error {
mu.Lock() mu.Lock()
e.log.Error("Failed to restore database", "name", dbName, "file", dumpFile, "error", restoreErr) e.log.Error("Failed to restore database", "name", dbName, "file", dumpFile, "error", restoreErr)
mu.Unlock() mu.Unlock()
// Check for specific recoverable errors // Check for specific recoverable errors
errMsg := restoreErr.Error() errMsg := restoreErr.Error()
if strings.Contains(errMsg, "max_locks_per_transaction") { if strings.Contains(errMsg, "max_locks_per_transaction") {
mu.Lock() mu.Lock()
e.log.Warn("Database restore failed due to insufficient locks - this is a PostgreSQL configuration issue", e.log.Warn("Database restore failed due to insufficient locks - this is a PostgreSQL configuration issue",
"database", dbName, "database", dbName,
"solution", "increase max_locks_per_transaction in postgresql.conf") "solution", "increase max_locks_per_transaction in postgresql.conf")
mu.Unlock() mu.Unlock()
} else if strings.Contains(errMsg, "total errors:") && strings.Contains(errMsg, "2562426") { } else if strings.Contains(errMsg, "total errors:") && strings.Contains(errMsg, "2562426") {
@@ -747,7 +747,7 @@ func (e *Engine) RestoreCluster(ctx context.Context, archivePath string) error {
"errors", "2562426") "errors", "2562426")
mu.Unlock() mu.Unlock()
} }
failedDBsMu.Lock() failedDBsMu.Lock()
// Include more context in the error message // Include more context in the error message
failedDBs = append(failedDBs, fmt.Sprintf("%s: restore failed: %v", dbName, restoreErr)) failedDBs = append(failedDBs, fmt.Sprintf("%s: restore failed: %v", dbName, restoreErr))
@@ -770,16 +770,16 @@ func (e *Engine) RestoreCluster(ctx context.Context, archivePath string) error {
if failCountFinal > 0 { if failCountFinal > 0 {
failedList := strings.Join(failedDBs, "\n ") failedList := strings.Join(failedDBs, "\n ")
// Log summary // Log summary
e.log.Info("Cluster restore completed with failures", e.log.Info("Cluster restore completed with failures",
"succeeded", successCountFinal, "succeeded", successCountFinal,
"failed", failCountFinal, "failed", failCountFinal,
"total", totalDBs) "total", totalDBs)
e.progress.Fail(fmt.Sprintf("Cluster restore: %d succeeded, %d failed out of %d total", successCountFinal, failCountFinal, totalDBs)) e.progress.Fail(fmt.Sprintf("Cluster restore: %d succeeded, %d failed out of %d total", successCountFinal, failCountFinal, totalDBs))
operation.Complete(fmt.Sprintf("Partial restore: %d/%d databases succeeded", successCountFinal, totalDBs)) operation.Complete(fmt.Sprintf("Partial restore: %d/%d databases succeeded", successCountFinal, totalDBs))
return fmt.Errorf("cluster restore completed with %d failures:\n %s", failCountFinal, failedList) return fmt.Errorf("cluster restore completed with %d failures:\n %s", failCountFinal, failedList)
} }
@@ -1079,48 +1079,48 @@ func (e *Engine) detectLargeObjectsInDumps(dumpsDir string, entries []os.DirEntr
hasLargeObjects := false hasLargeObjects := false
checkedCount := 0 checkedCount := 0
maxChecks := 5 // Only check first 5 dumps to avoid slowdown maxChecks := 5 // Only check first 5 dumps to avoid slowdown
for _, entry := range entries { for _, entry := range entries {
if entry.IsDir() || checkedCount >= maxChecks { if entry.IsDir() || checkedCount >= maxChecks {
continue continue
} }
dumpFile := filepath.Join(dumpsDir, entry.Name()) dumpFile := filepath.Join(dumpsDir, entry.Name())
// Skip compressed SQL files (can't easily check without decompressing) // Skip compressed SQL files (can't easily check without decompressing)
if strings.HasSuffix(dumpFile, ".sql.gz") { if strings.HasSuffix(dumpFile, ".sql.gz") {
continue continue
} }
// Use pg_restore -l to list contents (fast, doesn't restore data) // Use pg_restore -l to list contents (fast, doesn't restore data)
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second) ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
defer cancel() defer cancel()
cmd := exec.CommandContext(ctx, "pg_restore", "-l", dumpFile) cmd := exec.CommandContext(ctx, "pg_restore", "-l", dumpFile)
output, err := cmd.Output() output, err := cmd.Output()
if err != nil { if err != nil {
// If pg_restore -l fails, it might not be custom format - skip // If pg_restore -l fails, it might not be custom format - skip
continue continue
} }
checkedCount++ checkedCount++
// Check if output contains "BLOB" or "LARGE OBJECT" entries // Check if output contains "BLOB" or "LARGE OBJECT" entries
outputStr := string(output) outputStr := string(output)
if strings.Contains(outputStr, "BLOB") || if strings.Contains(outputStr, "BLOB") ||
strings.Contains(outputStr, "LARGE OBJECT") || strings.Contains(outputStr, "LARGE OBJECT") ||
strings.Contains(outputStr, " BLOBS ") { strings.Contains(outputStr, " BLOBS ") {
e.log.Info("Large objects detected in dump file", "file", entry.Name()) e.log.Info("Large objects detected in dump file", "file", entry.Name())
hasLargeObjects = true hasLargeObjects = true
// Don't break - log all files with large objects // Don't break - log all files with large objects
} }
} }
if hasLargeObjects { if hasLargeObjects {
e.log.Warn("Cluster contains databases with large objects - parallel restore may cause lock contention") e.log.Warn("Cluster contains databases with large objects - parallel restore may cause lock contention")
} }
return hasLargeObjects return hasLargeObjects
} }
@@ -1128,13 +1128,13 @@ func (e *Engine) detectLargeObjectsInDumps(dumpsDir string, entries []os.DirEntr
func (e *Engine) isIgnorableError(errorMsg string) bool { func (e *Engine) isIgnorableError(errorMsg string) bool {
// Convert to lowercase for case-insensitive matching // Convert to lowercase for case-insensitive matching
lowerMsg := strings.ToLower(errorMsg) lowerMsg := strings.ToLower(errorMsg)
// CRITICAL: Syntax errors are NOT ignorable - indicates corrupted dump // CRITICAL: Syntax errors are NOT ignorable - indicates corrupted dump
if strings.Contains(lowerMsg, "syntax error") { if strings.Contains(lowerMsg, "syntax error") {
e.log.Error("CRITICAL: Syntax error in dump file - dump may be corrupted", "error", errorMsg) e.log.Error("CRITICAL: Syntax error in dump file - dump may be corrupted", "error", errorMsg)
return false return false
} }
// CRITICAL: If error count is extremely high (>100k), dump is likely corrupted // CRITICAL: If error count is extremely high (>100k), dump is likely corrupted
if strings.Contains(errorMsg, "total errors:") { if strings.Contains(errorMsg, "total errors:") {
// Extract error count if present in message // Extract error count if present in message
@@ -1149,21 +1149,21 @@ func (e *Engine) isIgnorableError(errorMsg string) bool {
} }
} }
} }
// List of ignorable error patterns (objects that already exist) // List of ignorable error patterns (objects that already exist)
ignorablePatterns := []string{ ignorablePatterns := []string{
"already exists", "already exists",
"duplicate key", "duplicate key",
"does not exist, skipping", // For DROP IF EXISTS "does not exist, skipping", // For DROP IF EXISTS
"no pg_hba.conf entry", // Permission warnings (not fatal) "no pg_hba.conf entry", // Permission warnings (not fatal)
} }
for _, pattern := range ignorablePatterns { for _, pattern := range ignorablePatterns {
if strings.Contains(lowerMsg, pattern) { if strings.Contains(lowerMsg, pattern) {
return true return true
} }
} }
return false return false
} }

32
internal/restore/formats.go
View File

@@ -1,24 +1,24 @@
package restore package restore
import ( import (
"compress/gzip" "compress/gzip"
"io" "io"
"os" "os"
"strings" "strings"
) )
// ArchiveFormat represents the type of backup archive // ArchiveFormat represents the type of backup archive
type ArchiveFormat string type ArchiveFormat string
const ( const (
FormatPostgreSQLDump ArchiveFormat = "PostgreSQL Dump (.dump)" FormatPostgreSQLDump ArchiveFormat = "PostgreSQL Dump (.dump)"
FormatPostgreSQLDumpGz ArchiveFormat = "PostgreSQL Dump Compressed (.dump.gz)" FormatPostgreSQLDumpGz ArchiveFormat = "PostgreSQL Dump Compressed (.dump.gz)"
FormatPostgreSQLSQL ArchiveFormat = "PostgreSQL SQL (.sql)" FormatPostgreSQLSQL ArchiveFormat = "PostgreSQL SQL (.sql)"
FormatPostgreSQLSQLGz ArchiveFormat = "PostgreSQL SQL Compressed (.sql.gz)" FormatPostgreSQLSQLGz ArchiveFormat = "PostgreSQL SQL Compressed (.sql.gz)"
FormatMySQLSQL ArchiveFormat = "MySQL SQL (.sql)" FormatMySQLSQL ArchiveFormat = "MySQL SQL (.sql)"
FormatMySQLSQLGz ArchiveFormat = "MySQL SQL Compressed (.sql.gz)" FormatMySQLSQLGz ArchiveFormat = "MySQL SQL Compressed (.sql.gz)"
FormatClusterTarGz ArchiveFormat = "Cluster Archive (.tar.gz)" FormatClusterTarGz ArchiveFormat = "Cluster Archive (.tar.gz)"
FormatUnknown ArchiveFormat = "Unknown" FormatUnknown ArchiveFormat = "Unknown"
) )
// DetectArchiveFormat detects the format of a backup archive from its filename and content // DetectArchiveFormat detects the format of a backup archive from its filename and content
@@ -37,7 +37,7 @@ func DetectArchiveFormat(filename string) ArchiveFormat {
result := isCustomFormat(filename, true) result := isCustomFormat(filename, true)
// If file doesn't exist or we can't read it, trust the extension // If file doesn't exist or we can't read it, trust the extension
// If file exists and has PGDMP signature, it's custom format // If file exists and has PGDMP signature, it's custom format
// If file exists but doesn't have signature, it might be SQL named as .dump // If file exists but doesn't have signature, it might be SQL named as .dump
if result == formatCheckCustom || result == formatCheckFileNotFound { if result == formatCheckCustom || result == formatCheckFileNotFound {
return FormatPostgreSQLDumpGz return FormatPostgreSQLDumpGz
} }
@@ -81,9 +81,9 @@ func DetectArchiveFormat(filename string) ArchiveFormat {
type formatCheckResult int type formatCheckResult int
const ( const (
formatCheckFileNotFound formatCheckResult = iota formatCheckFileNotFound formatCheckResult = iota
formatCheckCustom formatCheckCustom
formatCheckNotCustom formatCheckNotCustom
) )
// isCustomFormat checks if a file is PostgreSQL custom format (has PGDMP signature) // isCustomFormat checks if a file is PostgreSQL custom format (has PGDMP signature)

22
internal/restore/safety.go
View File

@@ -242,7 +242,7 @@ func (s *Safety) CheckDiskSpaceAt(archivePath string, checkDir string, multiplie
} }
archiveSize := stat.Size() archiveSize := stat.Size()
// Estimate required space (archive size * multiplier for decompression/extraction) // Estimate required space (archive size * multiplier for decompression/extraction)
requiredSpace := int64(float64(archiveSize) * multiplier) requiredSpace := int64(float64(archiveSize) * multiplier)
@@ -323,12 +323,12 @@ func (s *Safety) checkPostgresDatabaseExists(ctx context.Context, dbName string)
"-d", "postgres", "-d", "postgres",
"-tAc", fmt.Sprintf("SELECT 1 FROM pg_database WHERE datname='%s'", dbName), "-tAc", fmt.Sprintf("SELECT 1 FROM pg_database WHERE datname='%s'", dbName),
} }
// Only add -h flag if host is not localhost (to use Unix socket for peer auth) // Only add -h flag if host is not localhost (to use Unix socket for peer auth)
if s.cfg.Host != "localhost" && s.cfg.Host != "127.0.0.1" && s.cfg.Host != "" { if s.cfg.Host != "localhost" && s.cfg.Host != "127.0.0.1" && s.cfg.Host != "" {
args = append([]string{"-h", s.cfg.Host}, args...) args = append([]string{"-h", s.cfg.Host}, args...)
} }
cmd := exec.CommandContext(ctx, "psql", args...) cmd := exec.CommandContext(ctx, "psql", args...)
// Set password if provided // Set password if provided
@@ -351,12 +351,12 @@ func (s *Safety) checkMySQLDatabaseExists(ctx context.Context, dbName string) (b
"-u", s.cfg.User, "-u", s.cfg.User,
"-e", fmt.Sprintf("SELECT SCHEMA_NAME FROM INFORMATION_SCHEMA.SCHEMATA WHERE SCHEMA_NAME='%s'", dbName), "-e", fmt.Sprintf("SELECT SCHEMA_NAME FROM INFORMATION_SCHEMA.SCHEMATA WHERE SCHEMA_NAME='%s'", dbName),
} }
// Only add -h flag if host is not localhost (to use Unix socket) // Only add -h flag if host is not localhost (to use Unix socket)
if s.cfg.Host != "localhost" && s.cfg.Host != "127.0.0.1" && s.cfg.Host != "" { if s.cfg.Host != "localhost" && s.cfg.Host != "127.0.0.1" && s.cfg.Host != "" {
args = append([]string{"-h", s.cfg.Host}, args...) args = append([]string{"-h", s.cfg.Host}, args...)
} }
cmd := exec.CommandContext(ctx, "mysql", args...) cmd := exec.CommandContext(ctx, "mysql", args...)
if s.cfg.Password != "" { if s.cfg.Password != "" {
@@ -386,7 +386,7 @@ func (s *Safety) ListUserDatabases(ctx context.Context) ([]string, error) {
func (s *Safety) listPostgresUserDatabases(ctx context.Context) ([]string, error) { func (s *Safety) listPostgresUserDatabases(ctx context.Context) ([]string, error) {
// Query to get non-template databases excluding 'postgres' system DB // Query to get non-template databases excluding 'postgres' system DB
query := "SELECT datname FROM pg_database WHERE datistemplate = false AND datname != 'postgres' ORDER BY datname" query := "SELECT datname FROM pg_database WHERE datistemplate = false AND datname != 'postgres' ORDER BY datname"
args := []string{ args := []string{
"-p", fmt.Sprintf("%d", s.cfg.Port), "-p", fmt.Sprintf("%d", s.cfg.Port),
"-U", s.cfg.User, "-U", s.cfg.User,
@@ -394,12 +394,12 @@ func (s *Safety) listPostgresUserDatabases(ctx context.Context) ([]string, error
"-tA", // Tuples only, unaligned "-tA", // Tuples only, unaligned
"-c", query, "-c", query,
} }
// Only add -h flag if host is not localhost (to use Unix socket for peer auth) // Only add -h flag if host is not localhost (to use Unix socket for peer auth)
if s.cfg.Host != "localhost" && s.cfg.Host != "127.0.0.1" && s.cfg.Host != "" { if s.cfg.Host != "localhost" && s.cfg.Host != "127.0.0.1" && s.cfg.Host != "" {
args = append([]string{"-h", s.cfg.Host}, args...) args = append([]string{"-h", s.cfg.Host}, args...)
} }
cmd := exec.CommandContext(ctx, "psql", args...) cmd := exec.CommandContext(ctx, "psql", args...)
// Set password if provided // Set password if provided
@@ -429,19 +429,19 @@ func (s *Safety) listPostgresUserDatabases(ctx context.Context) ([]string, error
func (s *Safety) listMySQLUserDatabases(ctx context.Context) ([]string, error) { func (s *Safety) listMySQLUserDatabases(ctx context.Context) ([]string, error) {
// Exclude system databases // Exclude system databases
query := "SELECT SCHEMA_NAME FROM INFORMATION_SCHEMA.SCHEMATA WHERE SCHEMA_NAME NOT IN ('information_schema', 'mysql', 'performance_schema', 'sys') ORDER BY SCHEMA_NAME" query := "SELECT SCHEMA_NAME FROM INFORMATION_SCHEMA.SCHEMATA WHERE SCHEMA_NAME NOT IN ('information_schema', 'mysql', 'performance_schema', 'sys') ORDER BY SCHEMA_NAME"
args := []string{ args := []string{
"-P", fmt.Sprintf("%d", s.cfg.Port), "-P", fmt.Sprintf("%d", s.cfg.Port),
"-u", s.cfg.User, "-u", s.cfg.User,
"-N", // Skip column names "-N", // Skip column names
"-e", query, "-e", query,
} }
// Only add -h flag if host is not localhost (to use Unix socket) // Only add -h flag if host is not localhost (to use Unix socket)
if s.cfg.Host != "localhost" && s.cfg.Host != "127.0.0.1" && s.cfg.Host != "" { if s.cfg.Host != "localhost" && s.cfg.Host != "127.0.0.1" && s.cfg.Host != "" {
args = append([]string{"-h", s.cfg.Host}, args...) args = append([]string{"-h", s.cfg.Host}, args...)
} }
cmd := exec.CommandContext(ctx, "mysql", args...) cmd := exec.CommandContext(ctx, "mysql", args...)
if s.cfg.Password != "" { if s.cfg.Password != "" {

4
internal/restore/safety_test.go
View File

@@ -23,7 +23,7 @@ func TestValidateArchive_FileNotFound(t *testing.T) {
func TestValidateArchive_EmptyFile(t *testing.T) { func TestValidateArchive_EmptyFile(t *testing.T) {
tmpDir := t.TempDir() tmpDir := t.TempDir()
emptyFile := filepath.Join(tmpDir, "empty.dump") emptyFile := filepath.Join(tmpDir, "empty.dump")
if err := os.WriteFile(emptyFile, []byte{}, 0644); err != nil { if err := os.WriteFile(emptyFile, []byte{}, 0644); err != nil {
t.Fatalf("Failed to create empty file: %v", err) t.Fatalf("Failed to create empty file: %v", err)
} }
@@ -43,7 +43,7 @@ func TestCheckDiskSpace_InsufficientSpace(t *testing.T) {
// Just ensure the function doesn't panic // Just ensure the function doesn't panic
tmpDir := t.TempDir() tmpDir := t.TempDir()
testFile := filepath.Join(tmpDir, "test.dump") testFile := filepath.Join(tmpDir, "test.dump")
// Create a small test file // Create a small test file
if err := os.WriteFile(testFile, []byte("test"), 0644); err != nil { if err := os.WriteFile(testFile, []byte("test"), 0644); err != nil {
t.Fatalf("Failed to create test file: %v", err) t.Fatalf("Failed to create test file: %v", err)

46
internal/restore/version_check.go
View File

@@ -23,21 +23,21 @@ func ParsePostgreSQLVersion(versionStr string) (*VersionInfo, error) {
// Match patterns like "PostgreSQL 17.7", "PostgreSQL 13.11", "PostgreSQL 10.23" // Match patterns like "PostgreSQL 17.7", "PostgreSQL 13.11", "PostgreSQL 10.23"
re := regexp.MustCompile(`PostgreSQL\s+(\d+)\.(\d+)`) re := regexp.MustCompile(`PostgreSQL\s+(\d+)\.(\d+)`)
matches := re.FindStringSubmatch(versionStr) matches := re.FindStringSubmatch(versionStr)
if len(matches) < 3 { if len(matches) < 3 {
return nil, fmt.Errorf("could not parse PostgreSQL version from: %s", versionStr) return nil, fmt.Errorf("could not parse PostgreSQL version from: %s", versionStr)
} }
major, err := strconv.Atoi(matches[1]) major, err := strconv.Atoi(matches[1])
if err != nil { if err != nil {
return nil, fmt.Errorf("invalid major version: %s", matches[1]) return nil, fmt.Errorf("invalid major version: %s", matches[1])
} }
minor, err := strconv.Atoi(matches[2]) minor, err := strconv.Atoi(matches[2])
if err != nil { if err != nil {
return nil, fmt.Errorf("invalid minor version: %s", matches[2]) return nil, fmt.Errorf("invalid minor version: %s", matches[2])
} }
return &VersionInfo{ return &VersionInfo{
Major: major, Major: major,
Minor: minor, Minor: minor,
@@ -53,24 +53,24 @@ func GetDumpFileVersion(dumpPath string) (*VersionInfo, error) {
if err != nil { if err != nil {
return nil, fmt.Errorf("failed to read dump file metadata: %w (output: %s)", err, string(output)) return nil, fmt.Errorf("failed to read dump file metadata: %w (output: %s)", err, string(output))
} }
// Look for "Dumped from database version: X.Y.Z" in output // Look for "Dumped from database version: X.Y.Z" in output
re := regexp.MustCompile(`Dumped from database version:\s+(\d+)\.(\d+)`) re := regexp.MustCompile(`Dumped from database version:\s+(\d+)\.(\d+)`)
matches := re.FindStringSubmatch(string(output)) matches := re.FindStringSubmatch(string(output))
if len(matches) < 3 { if len(matches) < 3 {
// Try alternate format in some dumps // Try alternate format in some dumps
re = regexp.MustCompile(`PostgreSQL database dump.*(\d+)\.(\d+)`) re = regexp.MustCompile(`PostgreSQL database dump.*(\d+)\.(\d+)`)
matches = re.FindStringSubmatch(string(output)) matches = re.FindStringSubmatch(string(output))
} }
if len(matches) < 3 { if len(matches) < 3 {
return nil, fmt.Errorf("could not find version information in dump file") return nil, fmt.Errorf("could not find version information in dump file")
} }
major, _ := strconv.Atoi(matches[1]) major, _ := strconv.Atoi(matches[1])
minor, _ := strconv.Atoi(matches[2]) minor, _ := strconv.Atoi(matches[2])
return &VersionInfo{ return &VersionInfo{
Major: major, Major: major,
Minor: minor, Minor: minor,
@@ -81,18 +81,18 @@ func GetDumpFileVersion(dumpPath string) (*VersionInfo, error) {
// CheckVersionCompatibility checks if restoring from source version to target version is safe // CheckVersionCompatibility checks if restoring from source version to target version is safe
func CheckVersionCompatibility(sourceVer, targetVer *VersionInfo) *VersionCompatibilityResult { func CheckVersionCompatibility(sourceVer, targetVer *VersionInfo) *VersionCompatibilityResult {
result := &VersionCompatibilityResult{ result := &VersionCompatibilityResult{
Compatible: true, Compatible: true,
SourceVersion: sourceVer, SourceVersion: sourceVer,
TargetVersion: targetVer, TargetVersion: targetVer,
} }
// Same major version - always compatible // Same major version - always compatible
if sourceVer.Major == targetVer.Major { if sourceVer.Major == targetVer.Major {
result.Level = CompatibilityLevelSafe result.Level = CompatibilityLevelSafe
result.Message = "Same major version - fully compatible" result.Message = "Same major version - fully compatible"
return result return result
} }
// Downgrade - not supported // Downgrade - not supported
if sourceVer.Major > targetVer.Major { if sourceVer.Major > targetVer.Major {
result.Compatible = false result.Compatible = false
@@ -101,10 +101,10 @@ func CheckVersionCompatibility(sourceVer, targetVer *VersionInfo) *VersionCompat
result.Warnings = append(result.Warnings, "Database downgrades require pg_dump from the target version") result.Warnings = append(result.Warnings, "Database downgrades require pg_dump from the target version")
return result return result
} }
// Upgrade - check how many major versions // Upgrade - check how many major versions
versionDiff := targetVer.Major - sourceVer.Major versionDiff := targetVer.Major - sourceVer.Major
if versionDiff == 1 { if versionDiff == 1 {
// One major version upgrade - generally safe // One major version upgrade - generally safe
result.Level = CompatibilityLevelSafe result.Level = CompatibilityLevelSafe
@@ -113,7 +113,7 @@ func CheckVersionCompatibility(sourceVer, targetVer *VersionInfo) *VersionCompat
// 2-3 major versions - should work but review release notes // 2-3 major versions - should work but review release notes
result.Level = CompatibilityLevelWarning result.Level = CompatibilityLevelWarning
result.Message = fmt.Sprintf("Upgrading from PostgreSQL %d to %d - supported but review release notes", sourceVer.Major, targetVer.Major) result.Message = fmt.Sprintf("Upgrading from PostgreSQL %d to %d - supported but review release notes", sourceVer.Major, targetVer.Major)
result.Warnings = append(result.Warnings, result.Warnings = append(result.Warnings,
fmt.Sprintf("You are jumping %d major versions - some features may have changed", versionDiff)) fmt.Sprintf("You are jumping %d major versions - some features may have changed", versionDiff))
result.Warnings = append(result.Warnings, result.Warnings = append(result.Warnings,
"Review release notes for deprecated features or behavior changes") "Review release notes for deprecated features or behavior changes")
@@ -134,13 +134,13 @@ func CheckVersionCompatibility(sourceVer, targetVer *VersionInfo) *VersionCompat
result.Recommendations = append(result.Recommendations, result.Recommendations = append(result.Recommendations,
"Review PostgreSQL release notes for versions "+strconv.Itoa(sourceVer.Major)+" through "+strconv.Itoa(targetVer.Major)) "Review PostgreSQL release notes for versions "+strconv.Itoa(sourceVer.Major)+" through "+strconv.Itoa(targetVer.Major))
} }
// Add general upgrade advice // Add general upgrade advice
if versionDiff > 0 { if versionDiff > 0 {
result.Recommendations = append(result.Recommendations, result.Recommendations = append(result.Recommendations,
"Run ANALYZE on all tables after restore for optimal query performance") "Run ANALYZE on all tables after restore for optimal query performance")
} }
return result return result
} }
@@ -189,33 +189,33 @@ func (e *Engine) CheckRestoreVersionCompatibility(ctx context.Context, dumpPath
e.log.Warn("Could not determine dump file version", "error", err) e.log.Warn("Could not determine dump file version", "error", err)
return nil, nil return nil, nil
} }
// Get target database version // Get target database version
targetVerStr, err := e.db.GetVersion(ctx) targetVerStr, err := e.db.GetVersion(ctx)
if err != nil { if err != nil {
return nil, fmt.Errorf("failed to get target database version: %w", err) return nil, fmt.Errorf("failed to get target database version: %w", err)
} }
targetVer, err := ParsePostgreSQLVersion(targetVerStr) targetVer, err := ParsePostgreSQLVersion(targetVerStr)
if err != nil { if err != nil {
return nil, fmt.Errorf("failed to parse target version: %w", err) return nil, fmt.Errorf("failed to parse target version: %w", err)
} }
// Check compatibility // Check compatibility
result := CheckVersionCompatibility(dumpVer, targetVer) result := CheckVersionCompatibility(dumpVer, targetVer)
// Log the results // Log the results
e.log.Info("Version compatibility check", e.log.Info("Version compatibility check",
"source", dumpVer.Full, "source", dumpVer.Full,
"target", targetVer.Full, "target", targetVer.Full,
"level", result.Level.String()) "level", result.Level.String())
if len(result.Warnings) > 0 { if len(result.Warnings) > 0 {
for _, warning := range result.Warnings { for _, warning := range result.Warnings {
e.log.Warn(warning) e.log.Warn(warning)
} }
} }
return result, nil return result, nil
} }

16
internal/retention/retention.go
View File

@@ -19,12 +19,12 @@ type Policy struct {
// CleanupResult contains information about cleanup operations // CleanupResult contains information about cleanup operations
type CleanupResult struct { type CleanupResult struct {
TotalBackups int TotalBackups int
EligibleForDeletion int EligibleForDeletion int
Deleted []string Deleted []string
Kept []string Kept []string
SpaceFreed int64 SpaceFreed int64
Errors []error Errors []error
} }
// ApplyPolicy enforces the retention policy on backups in a directory // ApplyPolicy enforces the retention policy on backups in a directory
@@ -63,13 +63,13 @@ func ApplyPolicy(backupDir string, policy Policy) (*CleanupResult, error) {
// Check if backup is older than retention period // Check if backup is older than retention period
if backup.Timestamp.Before(cutoffDate) { if backup.Timestamp.Before(cutoffDate) {
result.EligibleForDeletion++ result.EligibleForDeletion++
if policy.DryRun { if policy.DryRun {
result.Deleted = append(result.Deleted, backup.BackupFile) result.Deleted = append(result.Deleted, backup.BackupFile)
} else { } else {
// Delete backup file and associated metadata // Delete backup file and associated metadata
if err := deleteBackup(backup.BackupFile); err != nil { if err := deleteBackup(backup.BackupFile); err != nil {
result.Errors = append(result.Errors, result.Errors = append(result.Errors,
fmt.Errorf("failed to delete %s: %w", backup.BackupFile, err)) fmt.Errorf("failed to delete %s: %w", backup.BackupFile, err))
} else { } else {
result.Deleted = append(result.Deleted, backup.BackupFile) result.Deleted = append(result.Deleted, backup.BackupFile)
@@ -204,7 +204,7 @@ func CleanupByPattern(backupDir, pattern string, policy Policy) (*CleanupResult,
if backup.Timestamp.Before(cutoffDate) { if backup.Timestamp.Before(cutoffDate) {
result.EligibleForDeletion++ result.EligibleForDeletion++
if policy.DryRun { if policy.DryRun {
result.Deleted = append(result.Deleted, backup.BackupFile) result.Deleted = append(result.Deleted, backup.BackupFile)
} else { } else {

16
internal/security/audit.go
View File

@@ -9,18 +9,18 @@ import (
// AuditEvent represents an auditable event // AuditEvent represents an auditable event
type AuditEvent struct { type AuditEvent struct {
Timestamp time.Time Timestamp time.Time
User string User string
Action string Action string
Resource string Resource string
Result string Result string
Details map[string]interface{} Details map[string]interface{}
} }
// AuditLogger provides audit logging functionality // AuditLogger provides audit logging functionality
type AuditLogger struct { type AuditLogger struct {
log logger.Logger log logger.Logger
enabled bool enabled bool
} }
// NewAuditLogger creates a new audit logger // NewAuditLogger creates a new audit logger

4
internal/security/checksum.go
View File

@@ -42,7 +42,7 @@ func VerifyChecksum(path string, expectedChecksum string) error {
func SaveChecksum(archivePath string, checksum string) error { func SaveChecksum(archivePath string, checksum string) error {
checksumPath := archivePath + ".sha256" checksumPath := archivePath + ".sha256"
content := fmt.Sprintf("%s %s\n", checksum, archivePath) content := fmt.Sprintf("%s %s\n", checksum, archivePath)
if err := os.WriteFile(checksumPath, []byte(content), 0644); err != nil { if err := os.WriteFile(checksumPath, []byte(content), 0644); err != nil {
return fmt.Errorf("failed to save checksum: %w", err) return fmt.Errorf("failed to save checksum: %w", err)
} }
@@ -53,7 +53,7 @@ func SaveChecksum(archivePath string, checksum string) error {
// LoadChecksum loads checksum from a .sha256 file // LoadChecksum loads checksum from a .sha256 file
func LoadChecksum(archivePath string) (string, error) { func LoadChecksum(archivePath string) (string, error) {
checksumPath := archivePath + ".sha256" checksumPath := archivePath + ".sha256"
data, err := os.ReadFile(checksumPath) data, err := os.ReadFile(checksumPath)
if err != nil { if err != nil {
return "", fmt.Errorf("failed to read checksum file: %w", err) return "", fmt.Errorf("failed to read checksum file: %w", err)

2
internal/security/paths.go
View File

@@ -49,7 +49,7 @@ func ValidateArchivePath(path string) (string, error) {
// Must have a valid archive extension // Must have a valid archive extension
ext := strings.ToLower(filepath.Ext(cleaned)) ext := strings.ToLower(filepath.Ext(cleaned))
validExtensions := []string{".dump", ".sql", ".gz", ".tar"} validExtensions := []string{".dump", ".sql", ".gz", ".tar"}
valid := false valid := false
for _, validExt := range validExtensions { for _, validExt := range validExtensions {
if strings.HasSuffix(cleaned, validExt) { if strings.HasSuffix(cleaned, validExt) {

18
internal/security/privileges.go
View File

@@ -23,20 +23,20 @@ func NewPrivilegeChecker(log logger.Logger) *PrivilegeChecker {
// CheckAndWarn checks if running with elevated privileges and warns // CheckAndWarn checks if running with elevated privileges and warns
func (pc *PrivilegeChecker) CheckAndWarn(allowRoot bool) error { func (pc *PrivilegeChecker) CheckAndWarn(allowRoot bool) error {
isRoot, user := pc.isRunningAsRoot() isRoot, user := pc.isRunningAsRoot()
if isRoot { if isRoot {
pc.log.Warn("⚠️ Running with elevated privileges (root/Administrator)") pc.log.Warn("⚠️ Running with elevated privileges (root/Administrator)")
pc.log.Warn("Security recommendation: Create a dedicated backup user with minimal privileges") pc.log.Warn("Security recommendation: Create a dedicated backup user with minimal privileges")
if !allowRoot { if !allowRoot {
return fmt.Errorf("running as root is not recommended, use --allow-root to override") return fmt.Errorf("running as root is not recommended, use --allow-root to override")
} }
pc.log.Warn("Proceeding with root privileges (--allow-root specified)") pc.log.Warn("Proceeding with root privileges (--allow-root specified)")
} else { } else {
pc.log.Debug("Running as non-privileged user", "user", user) pc.log.Debug("Running as non-privileged user", "user", user)
} }
return nil return nil
} }
@@ -52,7 +52,7 @@ func (pc *PrivilegeChecker) isRunningAsRoot() (bool, string) {
func (pc *PrivilegeChecker) isUnixRoot() (bool, string) { func (pc *PrivilegeChecker) isUnixRoot() (bool, string) {
uid := os.Getuid() uid := os.Getuid()
user := GetCurrentUser() user := GetCurrentUser()
isRoot := uid == 0 || user == "root" isRoot := uid == 0 || user == "root"
return isRoot, user return isRoot, user
} }
@@ -62,10 +62,10 @@ func (pc *PrivilegeChecker) isWindowsAdmin() (bool, string) {
// Check if running as Administrator on Windows // Check if running as Administrator on Windows
// This is a simplified check - full implementation would use Windows API // This is a simplified check - full implementation would use Windows API
user := GetCurrentUser() user := GetCurrentUser()
// Common admin user patterns on Windows // Common admin user patterns on Windows
isAdmin := user == "Administrator" || user == "SYSTEM" isAdmin := user == "Administrator" || user == "SYSTEM"
return isAdmin, user return isAdmin, user
} }
@@ -89,11 +89,11 @@ func (pc *PrivilegeChecker) GetSecurityRecommendations() []string {
"Regularly rotate database passwords", "Regularly rotate database passwords",
"Monitor audit logs for unauthorized access attempts", "Monitor audit logs for unauthorized access attempts",
} }
if runtime.GOOS != "windows" { if runtime.GOOS != "windows" {
recommendations = append(recommendations, recommendations = append(recommendations,
fmt.Sprintf("Run as non-root user: sudo -u %s dbbackup ...", pc.GetRecommendedUser())) fmt.Sprintf("Run as non-root user: sudo -u %s dbbackup ...", pc.GetRecommendedUser()))
} }
return recommendations return recommendations
} }

1
internal/security/resources_other.go
View File

@@ -1,4 +1,5 @@
// go:build !linux // go:build !linux
//go:build !linux
// +build !linux // +build !linux
package security package security

3
internal/security/resources_unix.go
View File

@@ -1,3 +1,4 @@
//go:build !windows
// +build !windows // +build !windows
package security package security
@@ -19,7 +20,7 @@ func (rc *ResourceChecker) checkPlatformLimits() (*ResourceLimits, error) {
if err := syscall.Getrlimit(syscall.RLIMIT_NOFILE, &rLimit); err == nil { if err := syscall.Getrlimit(syscall.RLIMIT_NOFILE, &rLimit); err == nil {
limits.MaxOpenFiles = uint64(rLimit.Cur) limits.MaxOpenFiles = uint64(rLimit.Cur)
rc.log.Debug("Resource limit: max open files", "limit", rLimit.Cur, "max", rLimit.Max) rc.log.Debug("Resource limit: max open files", "limit", rLimit.Cur, "max", rLimit.Max)
if rLimit.Cur < 1024 { if rLimit.Cur < 1024 {
rc.log.Warn("⚠️ Low file descriptor limit detected", rc.log.Warn("⚠️ Low file descriptor limit detected",
"current", rLimit.Cur, "current", rLimit.Cur,

3
internal/security/resources_windows.go
View File

@@ -1,3 +1,4 @@
//go:build windows
// +build windows // +build windows
package security package security
@@ -23,5 +24,3 @@ func (rc *ResourceChecker) checkPlatformLimits() (*ResourceLimits, error) {
return limits, nil return limits, nil
} }

18
internal/security/retention.go
View File

@@ -46,13 +46,13 @@ func (rp *RetentionPolicy) CleanupOldBackups(backupDir string) (int, int64, erro
} }
if len(archives) <= rp.MinBackups { if len(archives) <= rp.MinBackups {
rp.log.Debug("Keeping all backups (below minimum threshold)", rp.log.Debug("Keeping all backups (below minimum threshold)",
"count", len(archives), "min_backups", rp.MinBackups) "count", len(archives), "min_backups", rp.MinBackups)
return 0, 0, nil return 0, 0, nil
} }
cutoffTime := time.Now().AddDate(0, 0, -rp.RetentionDays) cutoffTime := time.Now().AddDate(0, 0, -rp.RetentionDays)
// Sort by modification time (oldest first) // Sort by modification time (oldest first)
sort.Slice(archives, func(i, j int) bool { sort.Slice(archives, func(i, j int) bool {
return archives[i].ModTime.Before(archives[j].ModTime) return archives[i].ModTime.Before(archives[j].ModTime)
@@ -65,14 +65,14 @@ func (rp *RetentionPolicy) CleanupOldBackups(backupDir string) (int, int64, erro
// Keep minimum number of backups // Keep minimum number of backups
remaining := len(archives) - i remaining := len(archives) - i
if remaining <= rp.MinBackups { if remaining <= rp.MinBackups {
rp.log.Debug("Stopped cleanup to maintain minimum backups", rp.log.Debug("Stopped cleanup to maintain minimum backups",
"remaining", remaining, "min_backups", rp.MinBackups) "remaining", remaining, "min_backups", rp.MinBackups)
break break
} }
// Delete if older than retention period // Delete if older than retention period
if archive.ModTime.Before(cutoffTime) { if archive.ModTime.Before(cutoffTime) {
rp.log.Info("Removing old backup", rp.log.Info("Removing old backup",
"file", filepath.Base(archive.Path), "file", filepath.Base(archive.Path),
"age_days", int(time.Since(archive.ModTime).Hours()/24), "age_days", int(time.Since(archive.ModTime).Hours()/24),
"size_mb", archive.Size/1024/1024) "size_mb", archive.Size/1024/1024)
@@ -100,7 +100,7 @@ func (rp *RetentionPolicy) CleanupOldBackups(backupDir string) (int, int64, erro
} }
if deletedCount > 0 { if deletedCount > 0 {
rp.log.Info("Cleanup completed", rp.log.Info("Cleanup completed",
"deleted_backups", deletedCount, "deleted_backups", deletedCount,
"freed_space_mb", freedSpace/1024/1024, "freed_space_mb", freedSpace/1024/1024,
"retention_days", rp.RetentionDays) "retention_days", rp.RetentionDays)
@@ -124,7 +124,7 @@ func (rp *RetentionPolicy) scanBackupArchives(backupDir string) ([]ArchiveInfo,
} }
name := entry.Name() name := entry.Name()
// Skip non-backup files // Skip non-backup files
if !isBackupArchive(name) { if !isBackupArchive(name) {
continue continue
@@ -161,7 +161,7 @@ func isBackupArchive(name string) bool {
// extractDatabaseName extracts database name from archive filename // extractDatabaseName extracts database name from archive filename
func extractDatabaseName(filename string) string { func extractDatabaseName(filename string) string {
base := filepath.Base(filename) base := filepath.Base(filename)
// Remove extensions // Remove extensions
for { for {
oldBase := base oldBase := base
@@ -170,7 +170,7 @@ func extractDatabaseName(filename string) string {
break break
} }
} }
// Remove timestamp patterns // Remove timestamp patterns
if len(base) > 20 { if len(base) > 20 {
// Typically: db_name_20240101_120000 // Typically: db_name_20240101_120000
@@ -184,7 +184,7 @@ func extractDatabaseName(filename string) string {
} }
} }
} }
return base return base
} }

6
internal/swap/swap.go
View File

@@ -171,9 +171,9 @@ func (m *Manager) Setup() error {
// Log current swap status // Log current swap status
if total, used, free, err := m.GetCurrentSwap(); err == nil { if total, used, free, err := m.GetCurrentSwap(); err == nil {
m.log.Info("Swap status after setup", m.log.Info("Swap status after setup",
"total_mb", total, "total_mb", total,
"used_mb", used, "used_mb", used,
"free_mb", free, "free_mb", free,
"added_gb", m.sizeGB) "added_gb", m.sizeGB)
} }

34
internal/tui/archive_browser.go
View File

@@ -41,13 +41,13 @@ var (
// ArchiveInfo holds information about a backup archive // ArchiveInfo holds information about a backup archive
type ArchiveInfo struct { type ArchiveInfo struct {
Name string Name string
Path string Path string
Format restore.ArchiveFormat Format restore.ArchiveFormat
Size int64 Size int64
Modified time.Time Modified time.Time
DatabaseName string DatabaseName string
Valid bool Valid bool
ValidationMsg string ValidationMsg string
} }
@@ -132,13 +132,13 @@ func loadArchives(cfg *config.Config, log logger.Logger) tea.Cmd {
} }
archives = append(archives, ArchiveInfo{ archives = append(archives, ArchiveInfo{
Name: name, Name: name,
Path: fullPath, Path: fullPath,
Format: format, Format: format,
Size: info.Size(), Size: info.Size(),
Modified: info.ModTime(), Modified: info.ModTime(),
DatabaseName: dbName, DatabaseName: dbName,
Valid: valid, Valid: valid,
ValidationMsg: validationMsg, ValidationMsg: validationMsg,
}) })
} }
@@ -196,13 +196,13 @@ func (m ArchiveBrowserModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
case "enter", " ": case "enter", " ":
if len(m.archives) > 0 && m.cursor < len(m.archives) { if len(m.archives) > 0 && m.cursor < len(m.archives) {
selected := m.archives[m.cursor] selected := m.archives[m.cursor]
// Validate selection based on mode // Validate selection based on mode
if m.mode == "restore-cluster" && !selected.Format.IsClusterBackup() { if m.mode == "restore-cluster" && !selected.Format.IsClusterBackup() {
m.message = errorStyle.Render("❌ Please select a cluster backup (.tar.gz)") m.message = errorStyle.Render("❌ Please select a cluster backup (.tar.gz)")
return m, nil return m, nil
} }
if m.mode == "restore-single" && selected.Format.IsClusterBackup() { if m.mode == "restore-single" && selected.Format.IsClusterBackup() {
m.message = errorStyle.Render("❌ Please select a single database backup") m.message = errorStyle.Render("❌ Please select a single database backup")
return m, nil return m, nil
@@ -239,7 +239,7 @@ func (m ArchiveBrowserModel) View() string {
} else if m.mode == "restore-cluster" { } else if m.mode == "restore-cluster" {
title = "📦 Select Archive to Restore (Cluster)" title = "📦 Select Archive to Restore (Cluster)"
} }
s.WriteString(titleStyle.Render(title)) s.WriteString(titleStyle.Render(title))
s.WriteString("\n\n") s.WriteString("\n\n")

16
internal/tui/backup_exec.go
View File

@@ -78,10 +78,10 @@ type backupCompleteMsg struct {
func executeBackupWithTUIProgress(parentCtx context.Context, cfg *config.Config, log logger.Logger, backupType, dbName string, ratio int) tea.Cmd { func executeBackupWithTUIProgress(parentCtx context.Context, cfg *config.Config, log logger.Logger, backupType, dbName string, ratio int) tea.Cmd {
return func() tea.Msg { return func() tea.Msg {
// Use configurable cluster timeout (minutes) from config; default set in config.New() // Use configurable cluster timeout (minutes) from config; default set in config.New()
// Use parent context to inherit cancellation from TUI // Use parent context to inherit cancellation from TUI
clusterTimeout := time.Duration(cfg.ClusterTimeoutMinutes) * time.Minute clusterTimeout := time.Duration(cfg.ClusterTimeoutMinutes) * time.Minute
ctx, cancel := context.WithTimeout(parentCtx, clusterTimeout) ctx, cancel := context.WithTimeout(parentCtx, clusterTimeout)
defer cancel() defer cancel()
start := time.Now() start := time.Now()
@@ -151,10 +151,10 @@ func (m BackupExecutionModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
if !m.done { if !m.done {
// Increment spinner frame for smooth animation // Increment spinner frame for smooth animation
m.spinnerFrame = (m.spinnerFrame + 1) % len(spinnerFrames) m.spinnerFrame = (m.spinnerFrame + 1) % len(spinnerFrames)
// Update status based on elapsed time to show progress // Update status based on elapsed time to show progress
elapsedSec := int(time.Since(m.startTime).Seconds()) elapsedSec := int(time.Since(m.startTime).Seconds())
if elapsedSec < 2 { if elapsedSec < 2 {
m.status = "Initializing backup..." m.status = "Initializing backup..."
} else if elapsedSec < 5 { } else if elapsedSec < 5 {
@@ -180,7 +180,7 @@ func (m BackupExecutionModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
m.status = fmt.Sprintf("Backing up database '%s'...", m.databaseName) m.status = fmt.Sprintf("Backing up database '%s'...", m.databaseName)
} }
} }
return m, backupTickCmd() return m, backupTickCmd()
} }
return m, nil return m, nil
@@ -239,7 +239,7 @@ func (m BackupExecutionModel) View() string {
s.WriteString(fmt.Sprintf(" %s %s\n", spinnerFrames[m.spinnerFrame], m.status)) s.WriteString(fmt.Sprintf(" %s %s\n", spinnerFrames[m.spinnerFrame], m.status))
} else { } else {
s.WriteString(fmt.Sprintf(" %s\n\n", m.status)) s.WriteString(fmt.Sprintf(" %s\n\n", m.status))
if m.err != nil { if m.err != nil {
s.WriteString(fmt.Sprintf(" ❌ Error: %v\n", m.err)) s.WriteString(fmt.Sprintf(" ❌ Error: %v\n", m.err))
} else if m.result != "" { } else if m.result != "" {

4
internal/tui/backup_manager.go
View File

@@ -52,13 +52,13 @@ func (m BackupManagerModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
return m, nil return m, nil
} }
m.archives = msg.archives m.archives = msg.archives
// Calculate total size // Calculate total size
m.totalSize = 0 m.totalSize = 0
for _, archive := range m.archives { for _, archive := range m.archives {
m.totalSize += archive.Size m.totalSize += archive.Size
} }
// Get free space (simplified - just show message) // Get free space (simplified - just show message)
m.message = fmt.Sprintf("Loaded %d archive(s)", len(m.archives)) m.message = fmt.Sprintf("Loaded %d archive(s)", len(m.archives))
return m, nil return m, nil

10
internal/tui/dbselector.go
View File

@@ -84,7 +84,7 @@ func (m DatabaseSelectorModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
m.databases = []string{"Error loading databases"} m.databases = []string{"Error loading databases"}
} else { } else {
m.databases = msg.databases m.databases = msg.databases
// Auto-select database if specified // Auto-select database if specified
if m.config.TUIAutoDatabase != "" { if m.config.TUIAutoDatabase != "" {
for i, db := range m.databases { for i, db := range m.databases {
@@ -92,7 +92,7 @@ func (m DatabaseSelectorModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
m.cursor = i m.cursor = i
m.selected = db m.selected = db
m.logger.Info("Auto-selected database", "database", db) m.logger.Info("Auto-selected database", "database", db)
// If sample backup, ask for ratio (or auto-use default) // If sample backup, ask for ratio (or auto-use default)
if m.backupType == "sample" { if m.backupType == "sample" {
if m.config.TUIDryRun { if m.config.TUIDryRun {
@@ -107,7 +107,7 @@ func (m DatabaseSelectorModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
ValidateInt(1, 100)) ValidateInt(1, 100))
return inputModel, nil return inputModel, nil
} }
// For single backup, go directly to execution // For single backup, go directly to execution
executor := NewBackupExecution(m.config, m.logger, m.parent, m.ctx, m.backupType, m.selected, 0) executor := NewBackupExecution(m.config, m.logger, m.parent, m.ctx, m.backupType, m.selected, 0)
return executor, executor.Init() return executor, executor.Init()
@@ -136,7 +136,7 @@ func (m DatabaseSelectorModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
case "enter": case "enter":
if !m.loading && m.err == nil && len(m.databases) > 0 { if !m.loading && m.err == nil && len(m.databases) > 0 {
m.selected = m.databases[m.cursor] m.selected = m.databases[m.cursor]
// If sample backup, ask for ratio first // If sample backup, ask for ratio first
if m.backupType == "sample" { if m.backupType == "sample" {
inputModel := NewInputModel(m.config, m.logger, m, inputModel := NewInputModel(m.config, m.logger, m,
@@ -146,7 +146,7 @@ func (m DatabaseSelectorModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
ValidateInt(1, 100)) ValidateInt(1, 100))
return inputModel, nil return inputModel, nil
} }
// For single backup, go directly to execution // For single backup, go directly to execution
executor := NewBackupExecution(m.config, m.logger, m.parent, m.ctx, m.backupType, m.selected, 0) executor := NewBackupExecution(m.config, m.logger, m.parent, m.ctx, m.backupType, m.selected, 0)
return executor, executor.Init() return executor, executor.Init()

10
internal/tui/dirbrowser.go
View File

@@ -111,7 +111,7 @@ func (db *DirectoryBrowser) Render() string {
} }
var lines []string var lines []string
// Header // Header
lines = append(lines, fmt.Sprintf(" Current: %s", db.CurrentPath)) lines = append(lines, fmt.Sprintf(" Current: %s", db.CurrentPath))
lines = append(lines, fmt.Sprintf(" Found %d directories (cursor: %d)", len(db.items), db.cursor)) lines = append(lines, fmt.Sprintf(" Found %d directories (cursor: %d)", len(db.items), db.cursor))
@@ -121,7 +121,7 @@ func (db *DirectoryBrowser) Render() string {
maxItems := 5 // Show max 5 items to keep it compact maxItems := 5 // Show max 5 items to keep it compact
start := 0 start := 0
end := len(db.items) end := len(db.items)
if len(db.items) > maxItems { if len(db.items) > maxItems {
// Center the cursor in the view // Center the cursor in the view
start = db.cursor - maxItems/2 start = db.cursor - maxItems/2
@@ -144,14 +144,14 @@ func (db *DirectoryBrowser) Render() string {
if i == db.cursor { if i == db.cursor {
prefix = " >> " prefix = " >> "
} }
displayName := item displayName := item
if item == ".." { if item == ".." {
displayName = "../ (parent directory)" displayName = "../ (parent directory)"
} else if item != "[Error reading directory]" { } else if item != "[Error reading directory]" {
displayName = item + "/" displayName = item + "/"
} }
lines = append(lines, prefix+displayName) lines = append(lines, prefix+displayName)
} }
@@ -164,4 +164,4 @@ func (db *DirectoryBrowser) Render() string {
lines = append(lines, " ↑/↓: Navigate | Enter/→: Open | ←: Parent | Space: Select | Esc: Cancel") lines = append(lines, " ↑/↓: Navigate | Enter/→: Open | ←: Parent | Space: Select | Esc: Cancel")
return strings.Join(lines, "\n") return strings.Join(lines, "\n")
} }

28
internal/tui/dirpicker.go
View File

@@ -14,12 +14,12 @@ import (
// DirectoryPicker is a simple, fast directory and file picker // DirectoryPicker is a simple, fast directory and file picker
type DirectoryPicker struct { type DirectoryPicker struct {
currentPath string currentPath string
items []FileItem items []FileItem
cursor int cursor int
callback func(string) callback func(string)
allowFiles bool // Allow file selection for restore operations allowFiles bool // Allow file selection for restore operations
styles DirectoryPickerStyles styles DirectoryPickerStyles
} }
type FileItem struct { type FileItem struct {
@@ -98,26 +98,26 @@ func (dp *DirectoryPicker) loadItems() {
// Collect directories and optionally files // Collect directories and optionally files
var dirs []FileItem var dirs []FileItem
var files []FileItem var files []FileItem
for _, entry := range entries { for _, entry := range entries {
if strings.HasPrefix(entry.Name(), ".") { if strings.HasPrefix(entry.Name(), ".") {
continue // Skip hidden files continue // Skip hidden files
} }
item := FileItem{ item := FileItem{
Name: entry.Name(), Name: entry.Name(),
IsDir: entry.IsDir(), IsDir: entry.IsDir(),
Path: filepath.Join(dp.currentPath, entry.Name()), Path: filepath.Join(dp.currentPath, entry.Name()),
} }
if entry.IsDir() { if entry.IsDir() {
dirs = append(dirs, item) dirs = append(dirs, item)
} else if dp.allowFiles { } else if dp.allowFiles {
// Only include backup-related files // Only include backup-related files
if strings.HasSuffix(entry.Name(), ".sql") || if strings.HasSuffix(entry.Name(), ".sql") ||
strings.HasSuffix(entry.Name(), ".dump") || strings.HasSuffix(entry.Name(), ".dump") ||
strings.HasSuffix(entry.Name(), ".gz") || strings.HasSuffix(entry.Name(), ".gz") ||
strings.HasSuffix(entry.Name(), ".tar") { strings.HasSuffix(entry.Name(), ".tar") {
files = append(files, item) files = append(files, item)
} }
} }
@@ -242,4 +242,4 @@ func (dp *DirectoryPicker) View() string {
content.WriteString(dp.styles.Help.Render(help)) content.WriteString(dp.styles.Help.Render(help))
return dp.styles.Container.Render(content.String()) return dp.styles.Container.Render(content.String())
} }

24
internal/tui/history.go
View File

@@ -37,14 +37,14 @@ func NewHistoryView(cfg *config.Config, log logger.Logger, parent tea.Model) His
if lastIndex < 0 { if lastIndex < 0 {
lastIndex = 0 lastIndex = 0
} }
// Calculate initial viewport to show the last item // Calculate initial viewport to show the last item
maxVisible := 15 maxVisible := 15
viewOffset := lastIndex - maxVisible + 1 viewOffset := lastIndex - maxVisible + 1
if viewOffset < 0 { if viewOffset < 0 {
viewOffset = 0 viewOffset = 0
} }
return HistoryViewModel{ return HistoryViewModel{
config: cfg, config: cfg,
logger: log, logger: log,
@@ -112,7 +112,7 @@ func (m HistoryViewModel) Init() tea.Cmd {
func (m HistoryViewModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) { func (m HistoryViewModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
maxVisible := 15 // Show max 15 items at once maxVisible := 15 // Show max 15 items at once
switch msg := msg.(type) { switch msg := msg.(type) {
case tea.KeyMsg: case tea.KeyMsg:
switch msg.String() { switch msg.String() {
@@ -136,7 +136,7 @@ func (m HistoryViewModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
m.viewOffset = m.cursor - maxVisible + 1 m.viewOffset = m.cursor - maxVisible + 1
} }
} }
case "pgup": case "pgup":
// Page up - jump by maxVisible items // Page up - jump by maxVisible items
m.cursor -= maxVisible m.cursor -= maxVisible
@@ -147,7 +147,7 @@ func (m HistoryViewModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
if m.cursor < m.viewOffset { if m.cursor < m.viewOffset {
m.viewOffset = m.cursor m.viewOffset = m.cursor
} }
case "pgdown": case "pgdown":
// Page down - jump by maxVisible items // Page down - jump by maxVisible items
m.cursor += maxVisible m.cursor += maxVisible
@@ -158,12 +158,12 @@ func (m HistoryViewModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
if m.cursor >= m.viewOffset+maxVisible { if m.cursor >= m.viewOffset+maxVisible {
m.viewOffset = m.cursor - maxVisible + 1 m.viewOffset = m.cursor - maxVisible + 1
} }
case "home", "g": case "home", "g":
// Jump to first item // Jump to first item
m.cursor = 0 m.cursor = 0
m.viewOffset = 0 m.viewOffset = 0
case "end", "G": case "end", "G":
// Jump to last item // Jump to last item
m.cursor = len(m.history) - 1 m.cursor = len(m.history) - 1
@@ -187,15 +187,15 @@ func (m HistoryViewModel) View() string {
s.WriteString("📭 No backup history found\n\n") s.WriteString("📭 No backup history found\n\n")
} else { } else {
maxVisible := 15 // Show max 15 items at once maxVisible := 15 // Show max 15 items at once
// Calculate visible range // Calculate visible range
start := m.viewOffset start := m.viewOffset
end := start + maxVisible end := start + maxVisible
if end > len(m.history) { if end > len(m.history) {
end = len(m.history) end = len(m.history)
} }
s.WriteString(fmt.Sprintf("Found %d backup operations (Viewing %d/%d):\n\n", s.WriteString(fmt.Sprintf("Found %d backup operations (Viewing %d/%d):\n\n",
len(m.history), m.cursor+1, len(m.history))) len(m.history), m.cursor+1, len(m.history)))
// Show scroll indicators // Show scroll indicators
@@ -219,12 +219,12 @@ func (m HistoryViewModel) View() string {
s.WriteString(fmt.Sprintf(" %s\n", line)) s.WriteString(fmt.Sprintf(" %s\n", line))
} }
} }
// Show scroll indicator if more entries below // Show scroll indicator if more entries below
if end < len(m.history) { if end < len(m.history) {
s.WriteString(fmt.Sprintf(" ▼ %d more entries below...\n", len(m.history)-end)) s.WriteString(fmt.Sprintf(" ▼ %d more entries below...\n", len(m.history)-end))
} }
s.WriteString("\n") s.WriteString("\n")
} }

2
internal/tui/input.go
View File

@@ -61,7 +61,7 @@ func (m InputModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
} }
} }
m.done = true m.done = true
// If this is from database selector, execute backup with ratio // If this is from database selector, execute backup with ratio
if selector, ok := m.parent.(DatabaseSelectorModel); ok { if selector, ok := m.parent.(DatabaseSelectorModel); ok {
ratio, _ := strconv.Atoi(m.value) ratio, _ := strconv.Atoi(m.value)

26
internal/tui/menu.go
View File

@@ -53,14 +53,14 @@ type dbTypeOption struct {
// MenuModel represents the simple menu state // MenuModel represents the simple menu state
type MenuModel struct { type MenuModel struct {
choices []string choices []string
cursor int cursor int
config *config.Config config *config.Config
logger logger.Logger logger logger.Logger
quitting bool quitting bool
message string message string
dbTypes []dbTypeOption dbTypes []dbTypeOption
dbTypeCursor int dbTypeCursor int
// Background operations // Background operations
ctx context.Context ctx context.Context
@@ -133,7 +133,7 @@ func (m MenuModel) Init() tea.Cmd {
// Auto-select menu option if specified // Auto-select menu option if specified
if m.config.TUIAutoSelect >= 0 && m.config.TUIAutoSelect < len(m.choices) { if m.config.TUIAutoSelect >= 0 && m.config.TUIAutoSelect < len(m.choices) {
m.logger.Info("TUI Auto-select enabled", "option", m.config.TUIAutoSelect, "label", m.choices[m.config.TUIAutoSelect]) m.logger.Info("TUI Auto-select enabled", "option", m.config.TUIAutoSelect, "label", m.choices[m.config.TUIAutoSelect])
// Return command to trigger auto-selection // Return command to trigger auto-selection
return func() tea.Msg { return func() tea.Msg {
return autoSelectMsg{} return autoSelectMsg{}
@@ -150,7 +150,7 @@ func (m MenuModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
if m.config.TUIAutoSelect >= 0 && m.config.TUIAutoSelect < len(m.choices) { if m.config.TUIAutoSelect >= 0 && m.config.TUIAutoSelect < len(m.choices) {
m.cursor = m.config.TUIAutoSelect m.cursor = m.config.TUIAutoSelect
m.logger.Info("Auto-selecting option", "cursor", m.cursor, "choice", m.choices[m.cursor]) m.logger.Info("Auto-selecting option", "cursor", m.cursor, "choice", m.choices[m.cursor])
// Trigger the selection based on cursor position // Trigger the selection based on cursor position
switch m.cursor { switch m.cursor {
case 0: // Single Database Backup case 0: // Single Database Backup
@@ -184,7 +184,7 @@ func (m MenuModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
} }
} }
return m, nil return m, nil
case tea.KeyMsg: case tea.KeyMsg:
switch msg.String() { switch msg.String() {
case "ctrl+c", "q": case "ctrl+c", "q":
@@ -192,13 +192,13 @@ func (m MenuModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
if m.cancel != nil { if m.cancel != nil {
m.cancel() m.cancel()
} }
// Clean up any orphaned processes before exit // Clean up any orphaned processes before exit
m.logger.Info("Cleaning up processes before exit") m.logger.Info("Cleaning up processes before exit")
if err := cleanup.KillOrphanedProcesses(m.logger); err != nil { if err := cleanup.KillOrphanedProcesses(m.logger); err != nil {
m.logger.Warn("Failed to clean up all processes", "error", err) m.logger.Warn("Failed to clean up all processes", "error", err)
} }
m.quitting = true m.quitting = true
return m, tea.Quit return m, tea.Quit

10
internal/tui/progress.go
View File

@@ -269,11 +269,11 @@ func (s *SilentOperation) Fail(message string, args ...any) {}
// SilentProgressIndicator implements progress.Indicator but doesn't output anything // SilentProgressIndicator implements progress.Indicator but doesn't output anything
type SilentProgressIndicator struct{} type SilentProgressIndicator struct{}
func (s *SilentProgressIndicator) Start(message string) {} func (s *SilentProgressIndicator) Start(message string) {}
func (s *SilentProgressIndicator) Update(message string) {} func (s *SilentProgressIndicator) Update(message string) {}
func (s *SilentProgressIndicator) Complete(message string) {} func (s *SilentProgressIndicator) Complete(message string) {}
func (s *SilentProgressIndicator) Fail(message string) {} func (s *SilentProgressIndicator) Fail(message string) {}
func (s *SilentProgressIndicator) Stop() {} func (s *SilentProgressIndicator) Stop() {}
func (s *SilentProgressIndicator) SetEstimator(estimator *progress.ETAEstimator) {} func (s *SilentProgressIndicator) SetEstimator(estimator *progress.ETAEstimator) {}
// RunBackupInTUI runs a backup operation with TUI-compatible progress reporting // RunBackupInTUI runs a backup operation with TUI-compatible progress reporting

107
internal/tui/restore_exec.go
View File

@@ -20,54 +20,54 @@ var spinnerFrames = []string{"⠋", "⠙", "⠹", "⠸", "⠼", "⠴", "⠦", "
// RestoreExecutionModel handles restore execution with progress // RestoreExecutionModel handles restore execution with progress
type RestoreExecutionModel struct { type RestoreExecutionModel struct {
config *config.Config config *config.Config
logger logger.Logger logger logger.Logger
parent tea.Model parent tea.Model
ctx context.Context ctx context.Context
archive ArchiveInfo archive ArchiveInfo
targetDB string targetDB string
cleanFirst bool cleanFirst bool
createIfMissing bool createIfMissing bool
restoreType string restoreType string
cleanClusterFirst bool // Drop all user databases before cluster restore cleanClusterFirst bool // Drop all user databases before cluster restore
existingDBs []string // List of databases to drop existingDBs []string // List of databases to drop
// Progress tracking // Progress tracking
status string status string
phase string phase string
progress int progress int
details []string details []string
startTime time.Time startTime time.Time
spinnerFrame int spinnerFrame int
spinnerFrames []string spinnerFrames []string
// Results // Results
done bool done bool
err error err error
result string result string
elapsed time.Duration elapsed time.Duration
} }
// NewRestoreExecution creates a new restore execution model // NewRestoreExecution creates a new restore execution model
func NewRestoreExecution(cfg *config.Config, log logger.Logger, parent tea.Model, ctx context.Context, archive ArchiveInfo, targetDB string, cleanFirst, createIfMissing bool, restoreType string, cleanClusterFirst bool, existingDBs []string) RestoreExecutionModel { func NewRestoreExecution(cfg *config.Config, log logger.Logger, parent tea.Model, ctx context.Context, archive ArchiveInfo, targetDB string, cleanFirst, createIfMissing bool, restoreType string, cleanClusterFirst bool, existingDBs []string) RestoreExecutionModel {
return RestoreExecutionModel{ return RestoreExecutionModel{
config: cfg, config: cfg,
logger: log, logger: log,
parent: parent, parent: parent,
ctx: ctx, ctx: ctx,
archive: archive, archive: archive,
targetDB: targetDB, targetDB: targetDB,
cleanFirst: cleanFirst, cleanFirst: cleanFirst,
createIfMissing: createIfMissing, createIfMissing: createIfMissing,
restoreType: restoreType, restoreType: restoreType,
cleanClusterFirst: cleanClusterFirst, cleanClusterFirst: cleanClusterFirst,
existingDBs: existingDBs, existingDBs: existingDBs,
status: "Initializing...", status: "Initializing...",
phase: "Starting", phase: "Starting",
startTime: time.Now(), startTime: time.Now(),
details: []string{}, details: []string{},
spinnerFrames: spinnerFrames, // Use package-level constant spinnerFrames: spinnerFrames, // Use package-level constant
spinnerFrame: 0, spinnerFrame: 0,
} }
} }
@@ -123,7 +123,7 @@ func executeRestoreWithTUIProgress(parentCtx context.Context, cfg *config.Config
// STEP 1: Clean cluster if requested (drop all existing user databases) // STEP 1: Clean cluster if requested (drop all existing user databases)
if restoreType == "restore-cluster" && cleanClusterFirst && len(existingDBs) > 0 { if restoreType == "restore-cluster" && cleanClusterFirst && len(existingDBs) > 0 {
log.Info("Dropping existing user databases before cluster restore", "count", len(existingDBs)) log.Info("Dropping existing user databases before cluster restore", "count", len(existingDBs))
// Drop databases using command-line psql (no connection required) // Drop databases using command-line psql (no connection required)
// This matches how cluster restore works - uses CLI tools, not database connections // This matches how cluster restore works - uses CLI tools, not database connections
droppedCount := 0 droppedCount := 0
@@ -139,13 +139,13 @@ func executeRestoreWithTUIProgress(parentCtx context.Context, cfg *config.Config
} }
dropCancel() // Clean up context dropCancel() // Clean up context
} }
log.Info("Cluster cleanup completed", "dropped", droppedCount, "total", len(existingDBs)) log.Info("Cluster cleanup completed", "dropped", droppedCount, "total", len(existingDBs))
} }
// STEP 2: Create restore engine with silent progress (no stdout interference with TUI) // STEP 2: Create restore engine with silent progress (no stdout interference with TUI)
engine := restore.NewSilent(cfg, log, dbClient) engine := restore.NewSilent(cfg, log, dbClient)
// Set up progress callback (but it won't work in goroutine - progress is already sent via logs) // Set up progress callback (but it won't work in goroutine - progress is already sent via logs)
// The TUI will just use spinner animation to show activity // The TUI will just use spinner animation to show activity
@@ -186,11 +186,11 @@ func (m RestoreExecutionModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
if !m.done { if !m.done {
m.spinnerFrame = (m.spinnerFrame + 1) % len(m.spinnerFrames) m.spinnerFrame = (m.spinnerFrame + 1) % len(m.spinnerFrames)
m.elapsed = time.Since(m.startTime) m.elapsed = time.Since(m.startTime)
// Update status based on elapsed time to show progress // Update status based on elapsed time to show progress
// This provides visual feedback even though we don't have real-time progress // This provides visual feedback even though we don't have real-time progress
elapsedSec := int(m.elapsed.Seconds()) elapsedSec := int(m.elapsed.Seconds())
if elapsedSec < 2 { if elapsedSec < 2 {
m.status = "Initializing restore..." m.status = "Initializing restore..."
m.phase = "Starting" m.phase = "Starting"
@@ -222,7 +222,7 @@ func (m RestoreExecutionModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
m.phase = "Restore" m.phase = "Restore"
} }
} }
return m, restoreTickCmd() return m, restoreTickCmd()
} }
return m, nil return m, nil
@@ -245,7 +245,7 @@ func (m RestoreExecutionModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
m.err = msg.err m.err = msg.err
m.result = msg.result m.result = msg.result
m.elapsed = msg.elapsed m.elapsed = msg.elapsed
if m.err == nil { if m.err == nil {
m.status = "Restore completed successfully" m.status = "Restore completed successfully"
m.phase = "Done" m.phase = "Done"
@@ -311,7 +311,7 @@ func (m RestoreExecutionModel) View() string {
} else { } else {
// Show progress // Show progress
s.WriteString(fmt.Sprintf("Phase: %s\n", m.phase)) s.WriteString(fmt.Sprintf("Phase: %s\n", m.phase))
// Show status with rotating spinner (unified indicator for all operations) // Show status with rotating spinner (unified indicator for all operations)
spinner := m.spinnerFrames[m.spinnerFrame] spinner := m.spinnerFrames[m.spinnerFrame]
s.WriteString(fmt.Sprintf("Status: %s %s\n", spinner, m.status)) s.WriteString(fmt.Sprintf("Status: %s %s\n", spinner, m.status))
@@ -339,10 +339,10 @@ func (m RestoreExecutionModel) View() string {
func renderProgressBar(percent int) string { func renderProgressBar(percent int) string {
width := 40 width := 40
filled := (percent * width) / 100 filled := (percent * width) / 100
bar := strings.Repeat("█", filled) bar := strings.Repeat("█", filled)
empty := strings.Repeat("░", width-filled) empty := strings.Repeat("░", width-filled)
return successStyle.Render(bar) + infoStyle.Render(empty) return successStyle.Render(bar) + infoStyle.Render(empty)
} }
@@ -370,24 +370,23 @@ func dropDatabaseCLI(ctx context.Context, cfg *config.Config, dbName string) err
"-d", "postgres", // Connect to postgres maintenance DB "-d", "postgres", // Connect to postgres maintenance DB
"-c", fmt.Sprintf("DROP DATABASE IF EXISTS %s", dbName), "-c", fmt.Sprintf("DROP DATABASE IF EXISTS %s", dbName),
} }
// Only add -h flag if host is not localhost (to use Unix socket for peer auth) // Only add -h flag if host is not localhost (to use Unix socket for peer auth)
if cfg.Host != "localhost" && cfg.Host != "127.0.0.1" && cfg.Host != "" { if cfg.Host != "localhost" && cfg.Host != "127.0.0.1" && cfg.Host != "" {
args = append([]string{"-h", cfg.Host}, args...) args = append([]string{"-h", cfg.Host}, args...)
} }
cmd := exec.CommandContext(ctx, "psql", args...) cmd := exec.CommandContext(ctx, "psql", args...)
// Set password if provided // Set password if provided
if cfg.Password != "" { if cfg.Password != "" {
cmd.Env = append(cmd.Environ(), fmt.Sprintf("PGPASSWORD=%s", cfg.Password)) cmd.Env = append(cmd.Environ(), fmt.Sprintf("PGPASSWORD=%s", cfg.Password))
} }
output, err := cmd.CombinedOutput() output, err := cmd.CombinedOutput()
if err != nil { if err != nil {
return fmt.Errorf("failed to drop database %s: %w\nOutput: %s", dbName, err, string(output)) return fmt.Errorf("failed to drop database %s: %w\nOutput: %s", dbName, err, string(output))
} }
return nil return nil
} }

68
internal/tui/restore_preview.go
View File

@@ -43,22 +43,22 @@ type SafetyCheck struct {
// RestorePreviewModel shows restore preview and safety checks // RestorePreviewModel shows restore preview and safety checks
type RestorePreviewModel struct { type RestorePreviewModel struct {
config *config.Config config *config.Config
logger logger.Logger logger logger.Logger
parent tea.Model parent tea.Model
ctx context.Context ctx context.Context
archive ArchiveInfo archive ArchiveInfo
mode string mode string
targetDB string targetDB string
cleanFirst bool cleanFirst bool
createIfMissing bool createIfMissing bool
cleanClusterFirst bool // For cluster restore: drop all user databases first cleanClusterFirst bool // For cluster restore: drop all user databases first
existingDBCount int // Number of existing user databases existingDBCount int // Number of existing user databases
existingDBs []string // List of existing user databases existingDBs []string // List of existing user databases
safetyChecks []SafetyCheck safetyChecks []SafetyCheck
checking bool checking bool
canProceed bool canProceed bool
message string message string
} }
// NewRestorePreview creates a new restore preview // NewRestorePreview creates a new restore preview
@@ -70,16 +70,16 @@ func NewRestorePreview(cfg *config.Config, log logger.Logger, parent tea.Model,
} }
return RestorePreviewModel{ return RestorePreviewModel{
config: cfg, config: cfg,
logger: log, logger: log,
parent: parent, parent: parent,
ctx: ctx, ctx: ctx,
archive: archive, archive: archive,
mode: mode, mode: mode,
targetDB: targetDB, targetDB: targetDB,
cleanFirst: false, cleanFirst: false,
createIfMissing: true, createIfMissing: true,
checking: true, checking: true,
safetyChecks: []SafetyCheck{ safetyChecks: []SafetyCheck{
{Name: "Archive integrity", Status: "pending", Critical: true}, {Name: "Archive integrity", Status: "pending", Critical: true},
{Name: "Disk space", Status: "pending", Critical: true}, {Name: "Disk space", Status: "pending", Critical: true},
@@ -156,7 +156,7 @@ func runSafetyChecks(cfg *config.Config, log logger.Logger, archive ArchiveInfo,
// 4. Target database check (skip for cluster restores) // 4. Target database check (skip for cluster restores)
existingDBCount := 0 existingDBCount := 0
existingDBs := []string{} existingDBs := []string{}
if !archive.Format.IsClusterBackup() { if !archive.Format.IsClusterBackup() {
check = SafetyCheck{Name: "Target database", Status: "checking", Critical: false} check = SafetyCheck{Name: "Target database", Status: "checking", Critical: false}
exists, err := safety.CheckDatabaseExists(ctx, targetDB) exists, err := safety.CheckDatabaseExists(ctx, targetDB)
@@ -174,7 +174,7 @@ func runSafetyChecks(cfg *config.Config, log logger.Logger, archive ArchiveInfo,
} else { } else {
// For cluster restores, detect existing user databases // For cluster restores, detect existing user databases
check = SafetyCheck{Name: "Existing databases", Status: "checking", Critical: false} check = SafetyCheck{Name: "Existing databases", Status: "checking", Critical: false}
// Get list of existing user databases (exclude templates and system DBs) // Get list of existing user databases (exclude templates and system DBs)
dbList, err := safety.ListUserDatabases(ctx) dbList, err := safety.ListUserDatabases(ctx)
if err != nil { if err != nil {
@@ -183,7 +183,7 @@ func runSafetyChecks(cfg *config.Config, log logger.Logger, archive ArchiveInfo,
} else { } else {
existingDBCount = len(dbList) existingDBCount = len(dbList)
existingDBs = dbList existingDBs = dbList
if existingDBCount > 0 { if existingDBCount > 0 {
check.Status = "warning" check.Status = "warning"
check.Message = fmt.Sprintf("Found %d existing user database(s) - can be cleaned before restore", existingDBCount) check.Message = fmt.Sprintf("Found %d existing user database(s) - can be cleaned before restore", existingDBCount)
@@ -288,13 +288,13 @@ func (m RestorePreviewModel) View() string {
s.WriteString("\n") s.WriteString("\n")
s.WriteString(fmt.Sprintf(" Database: %s\n", m.targetDB)) s.WriteString(fmt.Sprintf(" Database: %s\n", m.targetDB))
s.WriteString(fmt.Sprintf(" Host: %s:%d\n", m.config.Host, m.config.Port)) s.WriteString(fmt.Sprintf(" Host: %s:%d\n", m.config.Host, m.config.Port))
cleanIcon := "✗" cleanIcon := "✗"
if m.cleanFirst { if m.cleanFirst {
cleanIcon = "✓" cleanIcon = "✓"
} }
s.WriteString(fmt.Sprintf(" Clean First: %s %v\n", cleanIcon, m.cleanFirst)) s.WriteString(fmt.Sprintf(" Clean First: %s %v\n", cleanIcon, m.cleanFirst))
createIcon := "✗" createIcon := "✗"
if m.createIfMissing { if m.createIfMissing {
createIcon = "✓" createIcon = "✓"
@@ -305,10 +305,10 @@ func (m RestorePreviewModel) View() string {
s.WriteString(archiveHeaderStyle.Render("🎯 Cluster Restore Options")) s.WriteString(archiveHeaderStyle.Render("🎯 Cluster Restore Options"))
s.WriteString("\n") s.WriteString("\n")
s.WriteString(fmt.Sprintf(" Host: %s:%d\n", m.config.Host, m.config.Port)) s.WriteString(fmt.Sprintf(" Host: %s:%d\n", m.config.Host, m.config.Port))
if m.existingDBCount > 0 { if m.existingDBCount > 0 {
s.WriteString(fmt.Sprintf(" Existing Databases: %d found\n", m.existingDBCount)) s.WriteString(fmt.Sprintf(" Existing Databases: %d found\n", m.existingDBCount))
// Show first few database names // Show first few database names
maxShow := 5 maxShow := 5
for i, db := range m.existingDBs { for i, db := range m.existingDBs {
@@ -319,7 +319,7 @@ func (m RestorePreviewModel) View() string {
} }
s.WriteString(fmt.Sprintf(" - %s\n", db)) s.WriteString(fmt.Sprintf(" - %s\n", db))
} }
cleanIcon := "✗" cleanIcon := "✗"
cleanStyle := infoStyle cleanStyle := infoStyle
if m.cleanClusterFirst { if m.cleanClusterFirst {
@@ -344,7 +344,7 @@ func (m RestorePreviewModel) View() string {
for _, check := range m.safetyChecks { for _, check := range m.safetyChecks {
icon := "○" icon := "○"
style := checkPendingStyle style := checkPendingStyle
switch check.Status { switch check.Status {
case "passed": case "passed":
icon = "✓" icon = "✓"

14
internal/tui/settings.go
View File

@@ -75,7 +75,7 @@ func NewSettingsModel(cfg *config.Config, log logger.Logger, parent tea.Model) S
} }
nextIdx := (currentIdx + 1) % len(workloads) nextIdx := (currentIdx + 1) % len(workloads)
c.CPUWorkloadType = workloads[nextIdx] c.CPUWorkloadType = workloads[nextIdx]
// Recalculate Jobs and DumpJobs based on workload type // Recalculate Jobs and DumpJobs based on workload type
if c.CPUInfo != nil && c.AutoDetectCores { if c.CPUInfo != nil && c.AutoDetectCores {
switch c.CPUWorkloadType { switch c.CPUWorkloadType {
@@ -329,7 +329,7 @@ func NewSettingsModel(cfg *config.Config, log logger.Logger, parent tea.Model) S
{ {
Key: "cloud_access_key", Key: "cloud_access_key",
DisplayName: "Cloud Access Key", DisplayName: "Cloud Access Key",
Value: func(c *config.Config) string { Value: func(c *config.Config) string {
if c.CloudAccessKey != "" { if c.CloudAccessKey != "" {
return "***" + c.CloudAccessKey[len(c.CloudAccessKey)-4:] return "***" + c.CloudAccessKey[len(c.CloudAccessKey)-4:]
} }
@@ -624,7 +624,7 @@ func (m SettingsModel) saveSettings() (tea.Model, tea.Cmd) {
// cycleDatabaseType cycles through database type options // cycleDatabaseType cycles through database type options
func (m SettingsModel) cycleDatabaseType() (tea.Model, tea.Cmd) { func (m SettingsModel) cycleDatabaseType() (tea.Model, tea.Cmd) {
dbTypes := []string{"postgres", "mysql", "mariadb"} dbTypes := []string{"postgres", "mysql", "mariadb"}
// Find current index // Find current index
currentIdx := 0 currentIdx := 0
for i, dbType := range dbTypes { for i, dbType := range dbTypes {
@@ -633,17 +633,17 @@ func (m SettingsModel) cycleDatabaseType() (tea.Model, tea.Cmd) {
break break
} }
} }
// Cycle to next // Cycle to next
nextIdx := (currentIdx + 1) % len(dbTypes) nextIdx := (currentIdx + 1) % len(dbTypes)
newType := dbTypes[nextIdx] newType := dbTypes[nextIdx]
// Update config // Update config
if err := m.config.SetDatabaseType(newType); err != nil { if err := m.config.SetDatabaseType(newType); err != nil {
m.message = errorStyle.Render(fmt.Sprintf("❌ Failed to set database type: %s", err.Error())) m.message = errorStyle.Render(fmt.Sprintf("❌ Failed to set database type: %s", err.Error()))
return m, nil return m, nil
} }
m.message = successStyle.Render(fmt.Sprintf("✅ Database type set to %s", m.config.DisplayDatabaseType())) m.message = successStyle.Render(fmt.Sprintf("✅ Database type set to %s", m.config.DisplayDatabaseType()))
return m, nil return m, nil
} }
@@ -726,7 +726,7 @@ func (m SettingsModel) View() string {
fmt.Sprintf("Compression: Level %d", m.config.CompressionLevel), fmt.Sprintf("Compression: Level %d", m.config.CompressionLevel),
fmt.Sprintf("Jobs: %d parallel, %d dump", m.config.Jobs, m.config.DumpJobs), fmt.Sprintf("Jobs: %d parallel, %d dump", m.config.Jobs, m.config.DumpJobs),
} }
if m.config.CloudEnabled { if m.config.CloudEnabled {
cloudInfo := fmt.Sprintf("Cloud: %s (%s)", m.config.CloudProvider, m.config.CloudBucket) cloudInfo := fmt.Sprintf("Cloud: %s (%s)", m.config.CloudProvider, m.config.CloudBucket)
if m.config.CloudAutoUpload { if m.config.CloudAutoUpload {

22
internal/verification/verification.go
View File

@@ -9,14 +9,14 @@ import (
// Result represents the outcome of a verification operation // Result represents the outcome of a verification operation
type Result struct { type Result struct {
Valid bool Valid bool
BackupFile string BackupFile string
ExpectedSHA256 string ExpectedSHA256 string
CalculatedSHA256 string CalculatedSHA256 string
SizeMatch bool SizeMatch bool
FileExists bool FileExists bool
MetadataExists bool MetadataExists bool
Error error Error error
} }
// Verify checks the integrity of a backup file // Verify checks the integrity of a backup file
@@ -47,7 +47,7 @@ func Verify(backupFile string) (*Result, error) {
// Check size match // Check size match
if info.Size() != meta.SizeBytes { if info.Size() != meta.SizeBytes {
result.SizeMatch = false result.SizeMatch = false
result.Error = fmt.Errorf("size mismatch: expected %d bytes, got %d bytes", result.Error = fmt.Errorf("size mismatch: expected %d bytes, got %d bytes",
meta.SizeBytes, info.Size()) meta.SizeBytes, info.Size())
return result, nil return result, nil
} }
@@ -64,7 +64,7 @@ func Verify(backupFile string) (*Result, error) {
// Compare checksums // Compare checksums
if actualSHA256 != meta.SHA256 { if actualSHA256 != meta.SHA256 {
result.Valid = false result.Valid = false
result.Error = fmt.Errorf("checksum mismatch: expected %s, got %s", result.Error = fmt.Errorf("checksum mismatch: expected %s, got %s",
meta.SHA256, actualSHA256) meta.SHA256, actualSHA256)
return result, nil return result, nil
} }
@@ -77,7 +77,7 @@ func Verify(backupFile string) (*Result, error) {
// VerifyMultiple verifies multiple backup files // VerifyMultiple verifies multiple backup files
func VerifyMultiple(backupFiles []string) ([]*Result, error) { func VerifyMultiple(backupFiles []string) ([]*Result, error) {
var results []*Result var results []*Result
for _, file := range backupFiles { for _, file := range backupFiles {
result, err := Verify(file) result, err := Verify(file)
if err != nil { if err != nil {
@@ -106,7 +106,7 @@ func QuickCheck(backupFile string) error {
// Check size // Check size
if info.Size() != meta.SizeBytes { if info.Size() != meta.SizeBytes {
return fmt.Errorf("size mismatch: expected %d bytes, got %d bytes", return fmt.Errorf("size mismatch: expected %d bytes, got %d bytes",
meta.SizeBytes, info.Size()) meta.SizeBytes, info.Size())
} }

44
internal/wal/archiver.go
View File

@@ -21,26 +21,26 @@ type Archiver struct {
// ArchiveConfig holds WAL archiving configuration // ArchiveConfig holds WAL archiving configuration
type ArchiveConfig struct { type ArchiveConfig struct {
ArchiveDir string // Directory to store archived WAL files ArchiveDir string // Directory to store archived WAL files
CompressWAL bool // Compress WAL files with gzip CompressWAL bool // Compress WAL files with gzip
EncryptWAL bool // Encrypt WAL files EncryptWAL bool // Encrypt WAL files
EncryptionKey []byte // 32-byte key for AES-256-GCM encryption EncryptionKey []byte // 32-byte key for AES-256-GCM encryption
RetentionDays int // Days to keep WAL archives RetentionDays int // Days to keep WAL archives
VerifyChecksum bool // Verify WAL file checksums VerifyChecksum bool // Verify WAL file checksums
} }
// WALArchiveInfo contains metadata about an archived WAL file // WALArchiveInfo contains metadata about an archived WAL file
type WALArchiveInfo struct { type WALArchiveInfo struct {
WALFileName string `json:"wal_filename"` WALFileName string `json:"wal_filename"`
ArchivePath string `json:"archive_path"` ArchivePath string `json:"archive_path"`
OriginalSize int64 `json:"original_size"` OriginalSize int64 `json:"original_size"`
ArchivedSize int64 `json:"archived_size"` ArchivedSize int64 `json:"archived_size"`
Checksum string `json:"checksum"` Checksum string `json:"checksum"`
Timeline uint32 `json:"timeline"` Timeline uint32 `json:"timeline"`
Segment uint64 `json:"segment"` Segment uint64 `json:"segment"`
ArchivedAt time.Time `json:"archived_at"` ArchivedAt time.Time `json:"archived_at"`
Compressed bool `json:"compressed"` Compressed bool `json:"compressed"`
Encrypted bool `json:"encrypted"` Encrypted bool `json:"encrypted"`
} }
// NewArchiver creates a new WAL archiver // NewArchiver creates a new WAL archiver
@@ -77,7 +77,7 @@ func (a *Archiver) ArchiveWALFile(ctx context.Context, walFilePath, walFileName
// Process WAL file: compression and/or encryption // Process WAL file: compression and/or encryption
var archivePath string var archivePath string
var archivedSize int64 var archivedSize int64
if config.CompressWAL && config.EncryptWAL { if config.CompressWAL && config.EncryptWAL {
// Compress then encrypt // Compress then encrypt
archivePath, archivedSize, err = a.compressAndEncryptWAL(walFilePath, walFileName, config) archivePath, archivedSize, err = a.compressAndEncryptWAL(walFilePath, walFileName, config)
@@ -150,7 +150,7 @@ func (a *Archiver) copyWAL(walFilePath, walFileName string, config ArchiveConfig
// compressWAL compresses a WAL file using gzip // compressWAL compresses a WAL file using gzip
func (a *Archiver) compressWAL(walFilePath, walFileName string, config ArchiveConfig) (string, int64, error) { func (a *Archiver) compressWAL(walFilePath, walFileName string, config ArchiveConfig) (string, int64, error) {
archivePath := filepath.Join(config.ArchiveDir, walFileName+".gz") archivePath := filepath.Join(config.ArchiveDir, walFileName+".gz")
compressor := NewCompressor(a.log) compressor := NewCompressor(a.log)
compressedSize, err := compressor.CompressWALFile(walFilePath, archivePath, 6) // gzip level 6 (balanced) compressedSize, err := compressor.CompressWALFile(walFilePath, archivePath, 6) // gzip level 6 (balanced)
if err != nil { if err != nil {
@@ -163,12 +163,12 @@ func (a *Archiver) compressWAL(walFilePath, walFileName string, config ArchiveCo
// encryptWAL encrypts a WAL file // encryptWAL encrypts a WAL file
func (a *Archiver) encryptWAL(walFilePath, walFileName string, config ArchiveConfig) (string, int64, error) { func (a *Archiver) encryptWAL(walFilePath, walFileName string, config ArchiveConfig) (string, int64, error) {
archivePath := filepath.Join(config.ArchiveDir, walFileName+".enc") archivePath := filepath.Join(config.ArchiveDir, walFileName+".enc")
encryptor := NewEncryptor(a.log) encryptor := NewEncryptor(a.log)
encOpts := EncryptionOptions{ encOpts := EncryptionOptions{
Key: config.EncryptionKey, Key: config.EncryptionKey,
} }
encryptedSize, err := encryptor.EncryptWALFile(walFilePath, archivePath, encOpts) encryptedSize, err := encryptor.EncryptWALFile(walFilePath, archivePath, encOpts)
if err != nil { if err != nil {
return "", 0, fmt.Errorf("WAL encryption failed: %w", err) return "", 0, fmt.Errorf("WAL encryption failed: %w", err)
@@ -199,7 +199,7 @@ func (a *Archiver) compressAndEncryptWAL(walFilePath, walFileName string, config
encOpts := EncryptionOptions{ encOpts := EncryptionOptions{
Key: config.EncryptionKey, Key: config.EncryptionKey,
} }
encryptedSize, err := encryptor.EncryptWALFile(tempCompressed, archivePath, encOpts) encryptedSize, err := encryptor.EncryptWALFile(tempCompressed, archivePath, encOpts)
if err != nil { if err != nil {
return "", 0, fmt.Errorf("WAL encryption failed: %w", err) return "", 0, fmt.Errorf("WAL encryption failed: %w", err)
@@ -340,7 +340,7 @@ func (a *Archiver) GetArchiveStats(config ArchiveConfig) (*ArchiveStats, error)
for _, archive := range archives { for _, archive := range archives {
stats.TotalSize += archive.ArchivedSize stats.TotalSize += archive.ArchivedSize
if archive.Compressed { if archive.Compressed {
stats.CompressedFiles++ stats.CompressedFiles++
} }

1
internal/wal/encryption.go
View File

@@ -11,6 +11,7 @@ import (
"path/filepath" "path/filepath"
"dbbackup/internal/logger" "dbbackup/internal/logger"
"golang.org/x/crypto/pbkdf2" "golang.org/x/crypto/pbkdf2"
) )

36
internal/wal/pitr_config.go
View File

@@ -23,14 +23,14 @@ type PITRManager struct {
// PITRConfig holds PITR settings // PITRConfig holds PITR settings
type PITRConfig struct { type PITRConfig struct {
Enabled bool Enabled bool
ArchiveMode string // "on", "off", "always" ArchiveMode string // "on", "off", "always"
ArchiveCommand string ArchiveCommand string
ArchiveDir string ArchiveDir string
WALLevel string // "minimal", "replica", "logical" WALLevel string // "minimal", "replica", "logical"
MaxWALSenders int MaxWALSenders int
WALKeepSize string // e.g., "1GB" WALKeepSize string // e.g., "1GB"
RestoreCommand string RestoreCommand string
} }
// RecoveryTarget specifies the point-in-time to recover to // RecoveryTarget specifies the point-in-time to recover to
@@ -87,11 +87,11 @@ func (pm *PITRManager) EnablePITR(ctx context.Context, archiveDir string) error
// Settings to enable PITR // Settings to enable PITR
settings := map[string]string{ settings := map[string]string{
"wal_level": "replica", // Required for PITR "wal_level": "replica", // Required for PITR
"archive_mode": "on", "archive_mode": "on",
"archive_command": archiveCommand, "archive_command": archiveCommand,
"max_wal_senders": "3", "max_wal_senders": "3",
"wal_keep_size": "1GB", // Keep at least 1GB of WAL "wal_keep_size": "1GB", // Keep at least 1GB of WAL
} }
// Update postgresql.conf // Update postgresql.conf
@@ -156,7 +156,7 @@ func (pm *PITRManager) GetCurrentPITRConfig(ctx context.Context) (*PITRConfig, e
for scanner.Scan() { for scanner.Scan() {
line := strings.TrimSpace(scanner.Text()) line := strings.TrimSpace(scanner.Text())
// Skip comments and empty lines // Skip comments and empty lines
if line == "" || strings.HasPrefix(line, "#") { if line == "" || strings.HasPrefix(line, "#") {
continue continue
@@ -226,11 +226,11 @@ func (pm *PITRManager) createRecoverySignal(ctx context.Context, dataDir string,
// Recovery settings go in postgresql.auto.conf (PostgreSQL 12+) // Recovery settings go in postgresql.auto.conf (PostgreSQL 12+)
autoConfPath := filepath.Join(dataDir, "postgresql.auto.conf") autoConfPath := filepath.Join(dataDir, "postgresql.auto.conf")
// Build recovery settings // Build recovery settings
var settings []string var settings []string
settings = append(settings, fmt.Sprintf("restore_command = 'cp %s/%%f %%p'", walArchiveDir)) settings = append(settings, fmt.Sprintf("restore_command = 'cp %s/%%f %%p'", walArchiveDir))
if target.TargetTime != nil { if target.TargetTime != nil {
settings = append(settings, fmt.Sprintf("recovery_target_time = '%s'", target.TargetTime.Format("2006-01-02 15:04:05"))) settings = append(settings, fmt.Sprintf("recovery_target_time = '%s'", target.TargetTime.Format("2006-01-02 15:04:05")))
} else if target.TargetXID != "" { } else if target.TargetXID != "" {
@@ -270,11 +270,11 @@ func (pm *PITRManager) createRecoverySignal(ctx context.Context, dataDir string,
// createLegacyRecoveryConf creates recovery.conf for PostgreSQL < 12 // createLegacyRecoveryConf creates recovery.conf for PostgreSQL < 12
func (pm *PITRManager) createLegacyRecoveryConf(dataDir string, target RecoveryTarget, walArchiveDir string) error { func (pm *PITRManager) createLegacyRecoveryConf(dataDir string, target RecoveryTarget, walArchiveDir string) error {
recoveryConfPath := filepath.Join(dataDir, "recovery.conf") recoveryConfPath := filepath.Join(dataDir, "recovery.conf")
var content strings.Builder var content strings.Builder
content.WriteString("# Recovery Configuration (created by dbbackup)\n") content.WriteString("# Recovery Configuration (created by dbbackup)\n")
content.WriteString(fmt.Sprintf("restore_command = 'cp %s/%%f %%p'\n", walArchiveDir)) content.WriteString(fmt.Sprintf("restore_command = 'cp %s/%%f %%p'\n", walArchiveDir))
if target.TargetTime != nil { if target.TargetTime != nil {
content.WriteString(fmt.Sprintf("recovery_target_time = '%s'\n", target.TargetTime.Format("2006-01-02 15:04:05"))) content.WriteString(fmt.Sprintf("recovery_target_time = '%s'\n", target.TargetTime.Format("2006-01-02 15:04:05")))
} }

40
internal/wal/timeline.go
View File

@@ -40,9 +40,9 @@ type TimelineInfo struct {
// TimelineHistory represents the complete timeline branching structure // TimelineHistory represents the complete timeline branching structure
type TimelineHistory struct { type TimelineHistory struct {
Timelines []*TimelineInfo // All timelines sorted by ID Timelines []*TimelineInfo // All timelines sorted by ID
CurrentTimeline uint32 // Current active timeline CurrentTimeline uint32 // Current active timeline
TimelineMap map[uint32]*TimelineInfo // Quick lookup by timeline ID TimelineMap map[uint32]*TimelineInfo // Quick lookup by timeline ID
} }
// ParseTimelineHistory parses timeline history from an archive directory // ParseTimelineHistory parses timeline history from an archive directory
@@ -74,10 +74,10 @@ func (tm *TimelineManager) ParseTimelineHistory(ctx context.Context, archiveDir
// Always add timeline 1 (base timeline) if not present // Always add timeline 1 (base timeline) if not present
if _, exists := history.TimelineMap[1]; !exists { if _, exists := history.TimelineMap[1]; !exists {
baseTimeline := &TimelineInfo{ baseTimeline := &TimelineInfo{
TimelineID: 1, TimelineID: 1,
ParentTimeline: 0, ParentTimeline: 0,
SwitchPoint: "0/0", SwitchPoint: "0/0",
Reason: "Base timeline", Reason: "Base timeline",
FirstWALSegment: 0, FirstWALSegment: 0,
} }
history.Timelines = append(history.Timelines, baseTimeline) history.Timelines = append(history.Timelines, baseTimeline)
@@ -201,7 +201,7 @@ func (tm *TimelineManager) scanWALSegments(archiveDir string, history *TimelineH
// Process each WAL file // Process each WAL file
for _, walFile := range walFiles { for _, walFile := range walFiles {
filename := filepath.Base(walFile) filename := filepath.Base(walFile)
// Remove extensions // Remove extensions
filename = strings.TrimSuffix(filename, ".gz.enc") filename = strings.TrimSuffix(filename, ".gz.enc")
filename = strings.TrimSuffix(filename, ".enc") filename = strings.TrimSuffix(filename, ".enc")
@@ -255,7 +255,7 @@ func (tm *TimelineManager) ValidateTimelineConsistency(ctx context.Context, hist
parent, exists := history.TimelineMap[tl.ParentTimeline] parent, exists := history.TimelineMap[tl.ParentTimeline]
if !exists { if !exists {
return fmt.Errorf("timeline %d references non-existent parent timeline %d", return fmt.Errorf("timeline %d references non-existent parent timeline %d",
tl.TimelineID, tl.ParentTimeline) tl.TimelineID, tl.ParentTimeline)
} }
@@ -274,29 +274,29 @@ func (tm *TimelineManager) ValidateTimelineConsistency(ctx context.Context, hist
// GetTimelinePath returns the path from timeline 1 to the target timeline // GetTimelinePath returns the path from timeline 1 to the target timeline
func (tm *TimelineManager) GetTimelinePath(history *TimelineHistory, targetTimeline uint32) ([]*TimelineInfo, error) { func (tm *TimelineManager) GetTimelinePath(history *TimelineHistory, targetTimeline uint32) ([]*TimelineInfo, error) {
path := make([]*TimelineInfo, 0) path := make([]*TimelineInfo, 0)
currentTL := targetTimeline currentTL := targetTimeline
for currentTL > 0 { for currentTL > 0 {
tl, exists := history.TimelineMap[currentTL] tl, exists := history.TimelineMap[currentTL]
if !exists { if !exists {
return nil, fmt.Errorf("timeline %d not found in history", currentTL) return nil, fmt.Errorf("timeline %d not found in history", currentTL)
} }
// Prepend to path (we're walking backwards) // Prepend to path (we're walking backwards)
path = append([]*TimelineInfo{tl}, path...) path = append([]*TimelineInfo{tl}, path...)
// Move to parent // Move to parent
if currentTL == 1 { if currentTL == 1 {
break // Reached base timeline break // Reached base timeline
} }
currentTL = tl.ParentTimeline currentTL = tl.ParentTimeline
// Prevent infinite loops // Prevent infinite loops
if len(path) > 100 { if len(path) > 100 {
return nil, fmt.Errorf("timeline path too long (possible cycle)") return nil, fmt.Errorf("timeline path too long (possible cycle)")
} }
} }
return path, nil return path, nil
} }
@@ -305,13 +305,13 @@ func (tm *TimelineManager) FindTimelineAtPoint(history *TimelineHistory, targetL
// Start from current timeline and walk backwards // Start from current timeline and walk backwards
for i := len(history.Timelines) - 1; i >= 0; i-- { for i := len(history.Timelines) - 1; i >= 0; i-- {
tl := history.Timelines[i] tl := history.Timelines[i]
// Compare LSNs (simplified - in production would need proper LSN comparison) // Compare LSNs (simplified - in production would need proper LSN comparison)
if tl.SwitchPoint <= targetLSN || tl.SwitchPoint == "0/0" { if tl.SwitchPoint <= targetLSN || tl.SwitchPoint == "0/0" {
return tl.TimelineID, nil return tl.TimelineID, nil
} }
} }
// Default to timeline 1 // Default to timeline 1
return 1, nil return 1, nil
} }
@@ -384,23 +384,23 @@ func (tm *TimelineManager) formatTimelineNode(sb *strings.Builder, history *Time
} }
sb.WriteString(fmt.Sprintf("%s%s Timeline %d", indent, marker, tl.TimelineID)) sb.WriteString(fmt.Sprintf("%s%s Timeline %d", indent, marker, tl.TimelineID))
if tl.TimelineID == history.CurrentTimeline { if tl.TimelineID == history.CurrentTimeline {
sb.WriteString(" [CURRENT]") sb.WriteString(" [CURRENT]")
} }
if tl.SwitchPoint != "" && tl.SwitchPoint != "0/0" { if tl.SwitchPoint != "" && tl.SwitchPoint != "0/0" {
sb.WriteString(fmt.Sprintf(" (switched at %s)", tl.SwitchPoint)) sb.WriteString(fmt.Sprintf(" (switched at %s)", tl.SwitchPoint))
} }
if tl.FirstWALSegment > 0 { if tl.FirstWALSegment > 0 {
sb.WriteString(fmt.Sprintf("\n%s WAL segments: %d files", indent, tl.LastWALSegment-tl.FirstWALSegment+1)) sb.WriteString(fmt.Sprintf("\n%s WAL segments: %d files", indent, tl.LastWALSegment-tl.FirstWALSegment+1))
} }
if tl.Reason != "" { if tl.Reason != "" {
sb.WriteString(fmt.Sprintf("\n%s Reason: %s", indent, tl.Reason)) sb.WriteString(fmt.Sprintf("\n%s Reason: %s", indent, tl.Reason))
} }
sb.WriteString("\n") sb.WriteString("\n")
// Find and format children // Find and format children

10
main.go
View File

@@ -28,12 +28,12 @@ func main() {
// Initialize configuration // Initialize configuration
cfg := config.New() cfg := config.New()
// Set version information // Set version information
cfg.Version = version cfg.Version = version
cfg.BuildTime = buildTime cfg.BuildTime = buildTime
cfg.GitCommit = gitCommit cfg.GitCommit = gitCommit
// Optimize CPU settings if auto-detect is enabled // Optimize CPU settings if auto-detect is enabled
if cfg.AutoDetectCores { if cfg.AutoDetectCores {
if err := cfg.OptimizeForCPU(); err != nil { if err := cfg.OptimizeForCPU(); err != nil {
@@ -46,13 +46,13 @@ func main() {
// Initialize global metrics // Initialize global metrics
metrics.InitGlobalMetrics(log) metrics.InitGlobalMetrics(log)
// Show session summary on exit // Show session summary on exit
defer func() { defer func() {
if metrics.GlobalMetrics != nil { if metrics.GlobalMetrics != nil {
avgs := metrics.GlobalMetrics.GetAverages() avgs := metrics.GlobalMetrics.GetAverages()
if ops, ok := avgs["total_operations"].(int); ok && ops > 0 { if ops, ok := avgs["total_operations"].(int); ok && ops > 0 {
fmt.Printf("\n📊 Session Summary: %d operations, %.1f%% success rate\n", fmt.Printf("\n📊 Session Summary: %d operations, %.1f%% success rate\n",
ops, avgs["success_rate"]) ops, avgs["success_rate"])
} }
} }
@@ -63,4 +63,4 @@ func main() {
log.Error("Application failed", "error", err) log.Error("Application failed", "error", err)
os.Exit(1) os.Exit(1)
} }
} }

8
tests/pitr_complete_test.go
View File

@@ -250,7 +250,7 @@ func TestWALArchiving(t *testing.T) {
if err := os.MkdirAll(walDir, 0700); err != nil { if err := os.MkdirAll(walDir, 0700); err != nil {
t.Fatalf("Failed to create WAL dir: %v", err) t.Fatalf("Failed to create WAL dir: %v", err)
} }
walFileName := "000000010000000000000001" walFileName := "000000010000000000000001"
walFilePath := filepath.Join(walDir, walFileName) walFilePath := filepath.Join(walDir, walFileName)
walContent := []byte("mock WAL file content for testing") walContent := []byte("mock WAL file content for testing")
@@ -657,9 +657,9 @@ func TestDataDirectoryValidation(t *testing.T) {
// Helper function // Helper function
func contains(s, substr string) bool { func contains(s, substr string) bool {
return len(s) >= len(substr) && (s == substr || len(s) > len(substr) && return len(s) >= len(substr) && (s == substr || len(s) > len(substr) &&
(s[:len(substr)] == substr || s[len(s)-len(substr):] == substr || (s[:len(substr)] == substr || s[len(s)-len(substr):] == substr ||
len(s) > len(substr)+1 && containsMiddle(s, substr))) len(s) > len(substr)+1 && containsMiddle(s, substr)))
} }
func containsMiddle(s, substr string) bool { func containsMiddle(s, substr string) bool {