Fix flapping snapshot.storage.k8s.io CRDs (#566)

* Fix flapping `snapshot.storage.k8s.io` CRDs

* Add back keep-object annotation for `VolumeSnapshotClass` CRD

charts/internal/shoot-crds/charts/volumesnapshots/templates/crd-volumesnapshotclasses.yaml

@@ -3,8 +3,11 @@ apiVersion: apiextensions.k8s.io/v1
 kind: CustomResourceDefinition
 metadata:
   annotations:
-    controller-gen.kubebuilder.io/version: v0.4.0
-    api-approved.kubernetes.io: "https://github.com/kubernetes-csi/external-snapshotter/pull/419"
+    # WARNING: Do not remove this annotation when updating the CRD!
+    # See https://github.com/gardener/gardener-extension-provider-azure/pull/302.
+    resources.gardener.cloud/keep-object: "true"
+    controller-gen.kubebuilder.io/version: v0.8.0
+    api-approved.kubernetes.io: "https://github.com/kubernetes-csi/external-snapshotter/pull/665"
   creationTimestamp: null
   name: volumesnapshotclasses.snapshot.storage.k8s.io
 spec:
@@ -13,14 +16,18 @@ spec:
     kind: VolumeSnapshotClass
     listKind: VolumeSnapshotClassList
     plural: volumesnapshotclasses
+    shortNames:
+    - vsclass
+    - vsclasses
     singular: volumesnapshotclass
   scope: Cluster
   versions:
   - additionalPrinterColumns:
     - jsonPath: .driver
       name: Driver
       type: string
-    - description: Determines whether a VolumeSnapshotContent created through the VolumeSnapshotClass should be deleted when its bound VolumeSnapshot is deleted.
+    - description: Determines whether a VolumeSnapshotContent created through the
+        VolumeSnapshotClass should be deleted when its bound VolumeSnapshot is deleted.
       jsonPath: .deletionPolicy
       name: DeletionPolicy
       type: string
@@ -30,27 +37,42 @@ spec:
     name: v1
     schema:
       openAPIV3Schema:
-        description: VolumeSnapshotClass specifies parameters that a underlying storage system uses when creating a volume snapshot. A specific VolumeSnapshotClass is used by specifying its name in a VolumeSnapshot object. VolumeSnapshotClasses are non-namespaced
+        description: VolumeSnapshotClass specifies parameters that a underlying storage
+          system uses when creating a volume snapshot. A specific VolumeSnapshotClass
+          is used by specifying its name in a VolumeSnapshot object. VolumeSnapshotClasses
+          are non-namespaced
         properties:
           apiVersion:
-            description: 'APIVersion defines the versioned schema of this representation of an object. Servers should convert recognized schemas to the latest internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
+            description: 'APIVersion defines the versioned schema of this representation
+              of an object. Servers should convert recognized schemas to the latest
+              internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources'
             type: string
           deletionPolicy:
-            description: deletionPolicy determines whether a VolumeSnapshotContent created through the VolumeSnapshotClass should be deleted when its bound VolumeSnapshot is deleted. Supported values are "Retain" and "Delete". "Retain" means that the VolumeSnapshotContent and its physical snapshot on underlying storage system are kept. "Delete" means that the VolumeSnapshotContent and its physical snapshot on underlying storage system are deleted. Required.
+            description: deletionPolicy determines whether a VolumeSnapshotContent
+              created through the VolumeSnapshotClass should be deleted when its bound
+              VolumeSnapshot is deleted. Supported values are "Retain" and "Delete".
+              "Retain" means that the VolumeSnapshotContent and its physical snapshot
+              on underlying storage system are kept. "Delete" means that the VolumeSnapshotContent
+              and its physical snapshot on underlying storage system are deleted.
+              Required.
             enum:
             - Delete
             - Retain
             type: string
           driver:
-            description: driver is the name of the storage driver that handles this VolumeSnapshotClass. Required.
+            description: driver is the name of the storage driver that handles this
+              VolumeSnapshotClass. Required.
             type: string
           kind:
-            description: 'Kind is a string value representing the REST resource this object represents. Servers may infer this from the endpoint the client submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
+            description: 'Kind is a string value representing the REST resource this
+              object represents. Servers may infer this from the endpoint the client
+              submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
             type: string
           parameters:
             additionalProperties:
               type: string
-            description: parameters is a key-value map with storage driver specific parameters for creating snapshots. These values are opaque to Kubernetes.
+            description: parameters is a key-value map with storage driver specific
+              parameters for creating snapshots. These values are opaque to Kubernetes.
             type: object
         required:
         - deletionPolicy
@@ -104,12 +126,12 @@ spec:
         - deletionPolicy
         - driver
         type: object
-    served: true
+    served: false
     storage: false
     subresources: {}
 status:
   acceptedNames:
     kind: ""
     plural: ""
   conditions: []
-  storedVersions: []
+  storedVersions: []