| package database |
|
|
| import ( |
| "database/sql" |
| "log" |
| "time" |
|
|
| "github.com/robfig/cron/v3" |
| ) |
|
|
| |
| func CleanupMetrics(db *sql.DB, retentionDays int) error { |
| cutoffDate := time.Now().AddDate(0, 0, -retentionDays) |
| cutoffDateStr := cutoffDate.UTC().Format(time.RFC3339Nano) |
|
|
| containerQuery := `DELETE FROM container_metrics WHERE timestamp < ?` |
| _, err := db.Exec(containerQuery, cutoffDateStr) |
| if err != nil { |
| return err |
| } |
|
|
| serverQuery := `DELETE FROM server_metrics WHERE timestamp < ?` |
| _, err = db.Exec(serverQuery, cutoffDateStr) |
| if err != nil { |
| return err |
| } |
|
|
| log.Printf("Metrics deleted (older than %d days)", retentionDays) |
| log.Printf("Cutoff date for both tables: %s", cutoffDateStr) |
| return nil |
| } |
|
|
| |
| func StartMetricsCleanup(db *sql.DB, retentionDays int, cronExpression string) (*cron.Cron, error) { |
| c := cron.New() |
|
|
| _, err := c.AddFunc(cronExpression, func() { |
| if err := CleanupMetrics(db, retentionDays); err != nil { |
| log.Printf("Error during metrics cleanup: %v", err) |
| } |
| }) |
|
|
| if err != nil { |
| return nil, err |
| } |
|
|
| c.Start() |
| log.Printf("Started metrics cleanup job (retention: %d days, cron: %s)", |
| retentionDays, cronExpression) |
|
|
| return c, nil |
| } |
|
|
