Final debug pass

This commit is contained in:
2025-10-24 19:03:06 +00:00
parent 4e281cff01
commit f014a20b10
12 changed files with 802 additions and 321 deletions

View File

@ -5,7 +5,8 @@ import (
"path/filepath"
"runtime"
"strconv"
"strings"
"dbbackup/internal/cpu"
)
@ -34,7 +35,7 @@ type Config struct {
MaxCores int
AutoDetectCores bool
CPUWorkloadType string // "cpu-intensive", "io-intensive", "balanced"
// CPU detection
CPUDetector *cpu.Detector
CPUInfo *cpu.CPUInfo
@ -64,15 +65,41 @@ func New() *Config {
cpuDetector := cpu.NewDetector()
cpuInfo, _ := cpuDetector.DetectCPU()
return &Config{
dbTypeRaw := getEnvString("DB_TYPE", "postgres")
canonicalType, ok := canonicalDatabaseType(dbTypeRaw)
if !ok {
canonicalType = "postgres"
}
host := getEnvString("PG_HOST", "localhost")
port := getEnvInt("PG_PORT", postgresDefaultPort)
user := getEnvString("PG_USER", getCurrentUser())
databaseName := getEnvString("PG_DATABASE", "postgres")
password := getEnvString("PGPASSWORD", "")
sslMode := getEnvString("PG_SSLMODE", "prefer")
if canonicalType == "mysql" {
host = getEnvString("MYSQL_HOST", host)
port = getEnvInt("MYSQL_PORT", mysqlDefaultPort)
user = getEnvString("MYSQL_USER", user)
if db := getEnvString("MYSQL_DATABASE", ""); db != "" {
databaseName = db
}
if pwd := getEnvString("MYSQL_PWD", ""); pwd != "" {
password = pwd
}
sslMode = ""
}
cfg := &Config{
// Database defaults
Host: getEnvString("PG_HOST", "localhost"),
Port: getEnvInt("PG_PORT", 5432),
User: getEnvString("PG_USER", getCurrentUser()),
Database: getEnvString("PG_DATABASE", "postgres"),
Password: getEnvString("PGPASSWORD", ""),
DatabaseType: getEnvString("DB_TYPE", "postgres"),
SSLMode: getEnvString("PG_SSLMODE", "prefer"),
Host: host,
Port: port,
User: user,
Database: databaseName,
Password: password,
DatabaseType: canonicalType,
SSLMode: sslMode,
Insecure: getEnvBool("INSECURE", false),
// Backup defaults
@ -103,6 +130,15 @@ func New() *Config {
SingleDBName: getEnvString("SINGLE_DB_NAME", ""),
RestoreDBName: getEnvString("RESTORE_DB_NAME", ""),
}
// Ensure canonical defaults are enforced
if err := cfg.SetDatabaseType(cfg.DatabaseType); err != nil {
cfg.DatabaseType = "postgres"
cfg.Port = postgresDefaultPort
cfg.SSLMode = "prefer"
}
return cfg
}
// UpdateFromEnvironment updates configuration from environment variables
@ -117,18 +153,18 @@ func (c *Config) UpdateFromEnvironment() {
// Validate validates the configuration
func (c *Config) Validate() error {
if c.DatabaseType != "postgres" && c.DatabaseType != "mysql" {
return &ConfigError{Field: "database-type", Value: c.DatabaseType, Message: "must be 'postgres' or 'mysql'"}
if err := c.SetDatabaseType(c.DatabaseType); err != nil {
return err
}
if c.CompressionLevel < 0 || c.CompressionLevel > 9 {
return &ConfigError{Field: "compression", Value: string(rune(c.CompressionLevel)), Message: "must be between 0-9"}
}
if c.Jobs < 1 {
return &ConfigError{Field: "jobs", Value: string(rune(c.Jobs)), Message: "must be at least 1"}
}
if c.DumpJobs < 1 {
return &ConfigError{Field: "dump-jobs", Value: string(rune(c.DumpJobs)), Message: "must be at least 1"}
}
@ -154,12 +190,61 @@ func (c *Config) GetDefaultPort() int {
return 5432
}
// DisplayDatabaseType returns a human-friendly name for the database type
func (c *Config) DisplayDatabaseType() string {
switch c.DatabaseType {
case "postgres":
return "PostgreSQL"
case "mysql":
return "MySQL/MariaDB"
default:
return c.DatabaseType
}
}
// SetDatabaseType normalizes the database type and updates dependent defaults
func (c *Config) SetDatabaseType(dbType string) error {
normalized, ok := canonicalDatabaseType(dbType)
if !ok {
return &ConfigError{Field: "database-type", Value: dbType, Message: "must be 'postgres' or 'mysql'"}
}
previous := c.DatabaseType
previousPort := c.Port
c.DatabaseType = normalized
if c.Port == 0 {
c.Port = defaultPortFor(normalized)
}
if normalized != previous {
if previousPort == defaultPortFor(previous) || previousPort == 0 {
c.Port = defaultPortFor(normalized)
}
}
// Adjust SSL mode defaults when switching engines. Preserve explicit user choices.
switch normalized {
case "mysql":
if strings.EqualFold(c.SSLMode, "prefer") || strings.EqualFold(c.SSLMode, "preferred") {
c.SSLMode = ""
}
case "postgres":
if c.SSLMode == "" {
c.SSLMode = "prefer"
}
}
return nil
}
// OptimizeForCPU optimizes job settings based on detected CPU
func (c *Config) OptimizeForCPU() error {
if c.CPUDetector == nil {
c.CPUDetector = cpu.NewDetector()
}
if c.CPUInfo == nil {
info, err := c.CPUDetector.DetectCPU()
if err != nil {
@ -167,13 +252,13 @@ func (c *Config) OptimizeForCPU() error {
}
c.CPUInfo = info
}
if c.AutoDetectCores {
// Optimize jobs based on workload type
if jobs, err := c.CPUDetector.CalculateOptimalJobs(c.CPUWorkloadType, c.MaxCores); err == nil {
c.Jobs = jobs
}
// Optimize dump jobs (more conservative for database dumps)
if dumpJobs, err := c.CPUDetector.CalculateOptimalJobs("cpu-intensive", c.MaxCores/2); err == nil {
c.DumpJobs = dumpJobs
@ -182,7 +267,7 @@ func (c *Config) OptimizeForCPU() error {
}
}
}
return nil
}
@ -191,16 +276,16 @@ func (c *Config) GetCPUInfo() (*cpu.CPUInfo, error) {
if c.CPUInfo != nil {
return c.CPUInfo, nil
}
if c.CPUDetector == nil {
c.CPUDetector = cpu.NewDetector()
}
info, err := c.CPUDetector.DetectCPU()
if err != nil {
return nil, err
}
c.CPUInfo = info
return info, nil
}
@ -216,6 +301,33 @@ func (e *ConfigError) Error() string {
return "config error in field '" + e.Field + "' with value '" + e.Value + "': " + e.Message
}
const (
postgresDefaultPort = 5432
mysqlDefaultPort = 3306
)
func canonicalDatabaseType(input string) (string, bool) {
switch strings.ToLower(strings.TrimSpace(input)) {
case "postgres", "postgresql", "pg":
return "postgres", true
case "mysql", "mariadb", "mariadb-server", "maria":
return "mysql", true
default:
return "", false
}
}
func defaultPortFor(dbType string) int {
switch dbType {
case "postgres":
return postgresDefaultPort
case "mysql":
return mysqlDefaultPort
default:
return postgresDefaultPort
}
}
// Helper functions
func getEnvString(key, defaultValue string) string {
if value := os.Getenv(key); value != "" {
@ -258,17 +370,17 @@ func getDefaultBackupDir() string {
if homeDir != "" {
return filepath.Join(homeDir, "db_backups")
}
// Fallback based on OS
if runtime.GOOS == "windows" {
return "C:\\db_backups"
}
// For PostgreSQL user on Linux/Unix
if getCurrentUser() == "postgres" {
return "/var/lib/pgsql/pg_backups"
}
return "/tmp/db_backups"
}
@ -316,4 +428,4 @@ func getDefaultMaxCores(cpuInfo *cpu.CPUInfo) int {
maxCores = 64
}
return maxCores
}
}