docker-db-backup/config.go

58 lines
1.0 KiB
Go

package main
import (
"log"
"os"
"strings"
"time"
)
// Backup folder
// Backup interval
// Max backups to keep
type conf struct {
Folder string // Backup folder _with_ trailing slash
fullCurrentBackupPath string
Interval time.Duration
MaxBackups int64
}
var (
config *conf
dumpTime time.Time
)
const (
envBackupFolder = `BACKUP_FOLDER`
envInterval = `BACKUP_INTERVAL`
envMax = `BACKUP_MAX`
)
func init() {
config = &conf{
Folder: "/backups/",
Interval: time.Hour * 6,
MaxBackups: 24,
}
folder, has := os.LookupEnv(envBackupFolder)
if has {
if !strings.HasSuffix(folder, "/") {
folder = folder + "/"
}
config.Folder = folder
}
updateFullBackupPath()
}
func updateFullBackupPath() {
dumpTime = time.Now()
config.fullCurrentBackupPath = config.Folder + dumpTime.Format("02-01-2006_15-04-05") + "/"
err := os.MkdirAll(config.fullCurrentBackupPath, 0744)
if err != nil {
log.Fatalf("Could not create backup folder: %s\n", err)
}
}