The project contains 2 CRDs:

• volsnap- responsible for creating backup/volumesnapshot of given PVC
• volrestore- responsible for creating PVC from given volsnap

Sample run

• cd to projects/volsnap

• install CR- make install

• create manifest - make install

• start controller - make run

• In another terminal run

  • pvc creation - kubectl apply -f config/samples/example-pvc.yaml

Creating Volsnap

• snapshot creation - kubectl apply -f config/samples/vol_v1_volsnap.yaml
• check result -
  • kubectl get volumesnapshot

/projects/volsnap$ kubectl get volumesnapshot volsnap-sample-try-3
NAME                   READYTOUSE   SOURCEPVC   SOURCESNAPSHOTCONTENT   RESTORESIZE   SNAPSHOTCLASS            SNAPSHOTCONTENT                                    CREATIONTIME   AGE
volsnap-sample-try-3   true         csi-pvc                             1Gi           csi-hostpath-snapclass   snapcontent-b5041279-f0ac-4b35-a522-fbbc8314362b   21m            21m

Restoring volsnap using volrestore:

• restore creation - kubectl apply -f config/samples/vol_v1_volrestore.yaml
• check result-

  /go/src/github.com/projects/volsnap$ kubectl get volrestore
NAME                  AGE
volrestore-sample-4   85s

/go/src/github.com/projects/volsnap$ kubectl get pvc restore-volrestore-sample-4
NAME                          STATUS   VOLUME                                     CAPACITY   ACCESS MODES   STORAGECLASS      VOLUMEATTRIBUTESCLASS   AGE
restore-volrestore-sample-4   Bound    pvc-a1f909b0-012a-4366-81dc-27ca6ebc0b50   2          RWO            csi-hostpath-sc   <unset>                 3d23h