mlogclub
110 lines
2.3 KiB
Go
110 lines
2.3 KiB
Go
package bootstrap
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import (
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"fmt"
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"log"
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"os"
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"path/filepath"
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"strings"
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"time"
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"cs-agent/internal/pkg/config"
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"github.com/mlogclub/simple/sqls"
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"gorm.io/driver/mysql"
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// "gorm.io/driver/sqlite" // Sqlite driver based on CGO
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"github.com/glebarez/sqlite" // Pure go SQLite driver, checkout https://github.com/glebarez/sqlite for details
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"gorm.io/gorm"
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// "gorm.io/gorm/logger"
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"gorm.io/gorm/logger"
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"gorm.io/gorm/schema"
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)
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func InitDB(cfg config.DBConfig) (*gorm.DB, error) {
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var dialector gorm.Dialector
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switch cfg.Type {
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case "sqlite":
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if err := ensureSQLiteDir(cfg.DSN); err != nil {
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return nil, err
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}
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dialector = sqlite.Open(cfg.DSN)
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case "mysql":
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dialector = mysql.Open(cfg.DSN)
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default:
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return nil, fmt.Errorf("unsupported db type: %s", cfg.Type)
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}
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db, err := gorm.Open(dialector, &gorm.Config{
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Logger: logger.New(
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log.New(os.Stdout, "\r\n", log.LstdFlags),
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logger.Config{
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SlowThreshold: time.Second,
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LogLevel: logger.Warn,
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IgnoreRecordNotFoundError: true,
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Colorful: true,
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},
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),
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NamingStrategy: schema.NamingStrategy{
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TablePrefix: "t_",
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SingularTable: true,
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},
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})
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if err != nil {
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return nil, err
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}
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sqlDB, err := db.DB()
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if err != nil {
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return nil, err
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}
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if cfg.MaxIdleConns > 0 {
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sqlDB.SetMaxIdleConns(cfg.MaxIdleConns)
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}
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if cfg.MaxOpenConns > 0 {
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sqlDB.SetMaxOpenConns(cfg.MaxOpenConns)
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}
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if cfg.ConnMaxIdleTimeSeconds > 0 {
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sqlDB.SetConnMaxIdleTime(time.Duration(cfg.ConnMaxIdleTimeSeconds) * time.Second)
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}
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if cfg.ConnMaxLifetimeSeconds > 0 {
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sqlDB.SetConnMaxLifetime(time.Duration(cfg.ConnMaxLifetimeSeconds) * time.Second)
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}
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sqls.SetDB(db)
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return db, nil
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}
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func ensureSQLiteDir(dsn string) error {
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dbPath := sqliteFilePath(dsn)
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if dbPath == "" {
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return nil
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}
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dir := filepath.Dir(dbPath)
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if dir == "." || dir == "" {
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return nil
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}
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return os.MkdirAll(dir, 0o755)
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}
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func sqliteFilePath(dsn string) string {
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if dsn == "" {
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return ""
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}
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path := dsn
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if after, ok := strings.CutPrefix(path, "file:"); ok {
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path = after
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}
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if idx := strings.Index(path, "?"); idx >= 0 {
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path = path[:idx]
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}
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normalized := strings.TrimSpace(path)
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if normalized == "" || normalized == ":memory:" || strings.Contains(normalized, "mode=memory") {
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return ""
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}
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return normalized
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}
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