Backup and restore Kubernetes clusters and persistent volumes
What is this?
Velero backs up Kubernetes resources and volumes to S3 (or other storage) for disaster recovery.
Step 01
1# Install Velero CLI2wget https://github.com/vmware-tanzu/velero/releases/download/v1.14.0/velero-v1.14.0-linux-amd64.tar.gz3tar xf velero-v1.14.0-linux-amd64.tar.gz4sudo mv velero-v1.14.0-linux-amd64/velero /usr/local/bin/Step 02
1# Install Velero in cluster (Minikube example — use your bucket provider)2velero install \3 --provider aws \4 --plugins velero/velero-plugin-for-aws:v1.10.0 \5 --bucket my-backup-bucket \6 --secret-file ./credentials-velero \7 --use-volume-snapshots=false8 9velero backup create first-backup --include-namespaces defaultStep 03
1velero backup get2velero schedule getStep 04
1velero restore create --from-backup first-backup2velero backup delete first-backup2 YAML templates for Velero. Copy and deploy after setup.
2 ready-to-copy templates. Expand one, copy the YAML, then run the deploy commands.
pvc.yml
1apiVersion: v12kind: PersistentVolumeClaim3metadata:4 name: data-pvc5spec:6 accessModes:7 - ReadWriteOnce8 resources:9 requests:10 storage: 1Gi11 storageClassName: standardstatefulset.yml
StatefulSet mounting the PVC at /data
1apiVersion: apps/v12kind: StatefulSet3metadata:4 name: app-with-storage5spec:6 serviceName: app-svc7 replicas: 18 selector:9 matchLabels:10 app: app-with-storage11 template:12 metadata:13 labels:14 app: app-with-storage15 spec:16 containers:17 - name: app18 image: nginx:alpine19 ports:20 - containerPort: 8021 volumeMounts:22 - name: data23 mountPath: /data24 volumes:25 - name: data26 persistentVolumeClaim:27 claimName: data-pvcStep 01
1kubectl apply -f pvc.yml2kubectl get pvc3kubectl apply -f statefulset.yml4kubectl get pods,pvc5kubectl exec app-with-storage-0 -- ls /data