feat: add possibility to create pvc from snapshot (#245)

Author: sbaizet-ledger

charts/common/Chart.yaml

@@ -9,4 +9,4 @@ maintainers:
     email: [email protected]
 name: common
 type: library
-version: 1.5.1
+version: 1.5.2

charts/common/README.md

@@ -1,6 +1,6 @@
 # common
 
-![Version: 1.5.1](https://img.shields.io/badge/Version-1.5.1-informational?style=flat-square) ![Type: library](https://img.shields.io/badge/Type-library-informational?style=flat-square)
+![Version: 1.5.2](https://img.shields.io/badge/Version-1.5.2-informational?style=flat-square) ![Type: library](https://img.shields.io/badge/Type-library-informational?style=flat-square)
 
 Function library for Helm charts
 
@@ -125,6 +125,7 @@ Kubernetes: `>=1.22.0-0`
 | persistence | object | See below | Configure persistence for the chart here. Additional items can be added by adding a dictionary key similar to the 'config' key. |
 | persistence.config | object | See below | Default persistence for configuration files. |
 | persistence.config.accessMode | string | `"ReadWriteOnce"` | AccessMode for the persistent volume. Make sure to select an access mode that is supported by your storage provider! [[ref]](https://kubernetes.io/docs/concepts/storage/persistent-volumes/#access-modes) |
+| persistence.config.dataSource | string | `nil` | Set dataSource to mount pvc from a snapshot |
 | persistence.config.enabled | bool | `false` | Enables or disables the persistence item |
 | persistence.config.existingClaim | string | `nil` | If you want to reuse an existing claim, the name of the existing PVC can be passed here. |
 | persistence.config.mountPath | string | `nil` | Where to mount the volume in the main container. Defaults to `/<name_of_the_volume>`, setting to '-' creates the volume but disables the volumeMount. |

charts/common/templates/classes/_pvc.tpl

@@ -42,4 +42,8 @@ spec:
   {{- if $values.volumeName }}
   volumeName: {{ $values.volumeName | quote }}
   {{- end }}
+  {{- if $values.dataSource }}
+  dataSource:
+    {{- $values.dataSource | toYaml | nindent 4 }}
+  {{- end }}
 {{- end -}}

charts/common/values.yaml

@@ -535,6 +535,12 @@ persistence:
     # -- Set to true to retain the PVC upon `helm uninstall`
     retain: false
 
+    # -- Set dataSource to mount pvc from a snapshot
+    dataSource:
+    #  name: ""
+    #  kind: VolumeSnapshot
+    #  apiGroup: snapshot.storage.k8s.io
+
   # -- Create an emptyDir volume to share between all containers
   # [[ref]]https://kubernetes.io/docs/concepts/storage/volumes/#emptydir)
   # @default -- See below