Proposal: Recover in same volume

[hossainemruz]

User want to recover data in the same volume he backed up.

Use case: User may accidentally delete data from current volume and want to recover them from backed up volume without creating a new volume and re-deploying workload.

Idea: We can use init container to recover(just like offline backup). Workload will restart and init container will recover data in the same volume.

[emedina]

Notice that as a workaround, this can be already achieved by using the same PersistentVolume claim name that was used in the Deployment to create the backup from, as long as no running Pod is using it:

apiVersion: extensions/v1beta1
kind: Deployment
...
        volumeMounts:
        - mountPath: /var/www/html/config
          name: html-dir
...
      volumes:
      - name: html-dir
        persistentVolumeClaim:
          claimName: matomo-html-dir
...

apiVersion: stash.appscode.com/v1alpha1
kind: Restic
...
  volumeMounts:
  - mountPath: /var/www/html/config
    name: html-dir

apiVersion: stash.appscode.com/v1alpha1
kind: Recovery
...
    recoveredVolumes:
    - mountPath: /var/www/html/config
      persistentVolumeClaim:
        claimName: matomo-html-dir
...

[hossainemruz]

Supported by v1beta1 design: #648

Done in #675