docker-db-backup/main.go

56 lines
1000 B
Go

package main
import (
"github.com/robfig/cron/v3"
"log"
"os"
)
func runBackup() {
c, err := getClient()
if err != nil {
log.Fatalf("Could not create client: %s", err)
}
updateFullBackupPath()
containers, err := getContainers(c)
if err != nil {
log.Fatalf("Could not get containers: %s", err)
}
storeContainers(c, containers)
err = cleanupOldBackups()
if err != nil {
log.Fatalf("Could not clean old backups: %s", err)
}
dumpAllDatabases(c)
err = callWebhook()
if err != nil {
log.Fatalf("Could not call completion webhook: %s", err)
}
log.Println("Done.")
}
func main() {
noCron, has := os.LookupEnv("BACKUP_NO_CRON")
if has && (noCron == "true" || noCron == "1") {
log.Println("BACKUP_NO_CRON set, running backup once, then exiting")
runBackup()
return
}
cr := cron.New()
_, err := cr.AddFunc(config.Schedule, runBackup)
if err != nil {
log.Fatalf("Could not create cron job: %s\n", err)
}
log.Println("DB backup service started.")
cr.Run()
}