Kubernetes CronJob ile Periyodik Yedekleme Otomatikleştirme

1apiVersion: batch/v1
2kind: CronJob
3metadata:
4name: db-backup
5namespace: default
6spec:
7schedule: "0 2 * * *" # Her gün 02:00'de
8jobTemplate:
9spec:
10template:
11spec:
12serviceAccountName: backup-user
13containers:
14- name: backup
15image: postgres:15
16command:
17- /bin/sh
18- -c
19- |
20BACKUP_FILE="/backups/db_$(date +%Y%m%d_%H%M%S).sql"
21pg_dump -h postgres-service -U postgres -d mydb > $BACKUP_FILE
22echo "Yedek tamamlandı: $BACKUP_FILE"
23# Son 7 günü tut, eski dosyaları sil
24find /backups -name "db_*.sql" -mtime +7 -delete
25env:
26- name: PGPASSWORD
27valueFrom:
28secretKeyRef:
29name: postgres-secret
30key: password
31volumeMounts:
32- name: backup-storage
33mountPath: /backups
34resources:
35requests:
36memory: "256Mi"
37cpu: "100m"
38limits:
39memory: "512Mi"
40cpu: "500m"
41volumes:
42- name: backup-storage
43persistentVolumeClaim:
44claimName: backup-pvc
45restartPolicy: OnFailure
46backoffLimit: 3

1# PostgreSQL şifresi için Secret
2kubectl create secret generic postgres-secret \
3--from-literal=password=your-secure-password
4
5# Yedekleme depolama alanı
6apiVersion: v1
7kind: PersistentVolumeClaim
8metadata:
9name: backup-pvc
10spec:
11accessModes:
12- ReadWriteOnce
13resources:
14requests:
15storage: 50Gi
16storageClassName: standard

1kubectl apply -f cronjob.yaml
2kubectl get cronjob db-backup
3kubectl describe cronjob db-backup
4kubectl logs -l job-name=db-backup-xxxxx