Merge pull request kubernetes-csi#1184 from xing-yang/remove_volumeGroupSnapshotRef_check

Remove volumeGroupSnapshotRef immutable validation rule

Author: k8s-ci-robot

client/apis/volumegroupsnapshot/v1alpha1/types.go

@@ -281,7 +281,6 @@ type VolumeGroupSnapshotContentSpec struct {
 	// This field is immutable after creation.
 	// Required.
 	// +kubebuilder:validation:XValidation:rule="has(self.name) && has(self.__namespace__)",message="both volumeGroupSnapshotRef.name and volumeGroupSnapshotRef.namespace must be set"
-	// +kubebuilder:validation:XValidation:rule="self == oldSelf",message="volumeGroupSnapshotRef is immutable"
 	VolumeGroupSnapshotRef core_v1.ObjectReference `json:"volumeGroupSnapshotRef" protobuf:"bytes,1,opt,name=volumeGroupSnapshotRef"`
 
 	// DeletionPolicy determines whether this VolumeGroupSnapshotContent and the

client/config/crd/groupsnapshot.storage.k8s.io_volumegroupsnapshotcontents.yaml

@@ -237,8 +237,6 @@ spec:
                 - message: both volumeGroupSnapshotRef.name and volumeGroupSnapshotRef.namespace
                     must be set
                   rule: has(self.name) && has(self.__namespace__)
-                - message: volumeGroupSnapshotRef is immutable
-                  rule: self == oldSelf
             required:
             - deletionPolicy
             - driver