Add VolumeGroupSnapshot API definition, including CRD, client,

informer and lister generated code.
Update ./client/hack/README with instructions to update the client
directory.

client/clientset/versioned/clientset.go

@@ -1,5 +1,5 @@
 /*
-Copyright 2022 The Kubernetes Authors.
+Copyright 2023 The Kubernetes Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -22,6 +22,7 @@ import (
 	"fmt"
 	"net/http"
 
+	snapshotv1alpha1 "github.com/kubernetes-csi/external-snapshotter/client/v6/clientset/versioned/typed/volumegroupsnapshot/v1alpha1"
 	snapshotv1 "github.com/kubernetes-csi/external-snapshotter/client/v6/clientset/versioned/typed/volumesnapshot/v1"
 	discovery "k8s.io/client-go/discovery"
 	rest "k8s.io/client-go/rest"
@@ -30,14 +31,20 @@ import (
 
 type Interface interface {
 	Discovery() discovery.DiscoveryInterface
+	SnapshotV1alpha1() snapshotv1alpha1.SnapshotV1alpha1Interface
 	SnapshotV1() snapshotv1.SnapshotV1Interface
 }
 
-// Clientset contains the clients for groups. Each group has exactly one
-// version included in a Clientset.
+// Clientset contains the clients for groups.
 type Clientset struct {
 	*discovery.DiscoveryClient
-	snapshotV1 *snapshotv1.SnapshotV1Client
+	snapshotV1alpha1 *snapshotv1alpha1.SnapshotV1alpha1Client
+	snapshotV1       *snapshotv1.SnapshotV1Client
+}
+
+// SnapshotV1alpha1 retrieves the SnapshotV1alpha1Client
+func (c *Clientset) SnapshotV1alpha1() snapshotv1alpha1.SnapshotV1alpha1Interface {
+	return c.snapshotV1alpha1
 }
 
 // SnapshotV1 retrieves the SnapshotV1Client
@@ -89,6 +96,10 @@ func NewForConfigAndClient(c *rest.Config, httpClient *http.Client) (*Clientset,
 
 	var cs Clientset
 	var err error
+	cs.snapshotV1alpha1, err = snapshotv1alpha1.NewForConfigAndClient(&configShallowCopy, httpClient)
+	if err != nil {
+		return nil, err
+	}
 	cs.snapshotV1, err = snapshotv1.NewForConfigAndClient(&configShallowCopy, httpClient)
 	if err != nil {
 		return nil, err
@@ -114,6 +125,7 @@ func NewForConfigOrDie(c *rest.Config) *Clientset {
 // New creates a new Clientset for the given RESTClient.
 func New(c rest.Interface) *Clientset {
 	var cs Clientset
+	cs.snapshotV1alpha1 = snapshotv1alpha1.New(c)
 	cs.snapshotV1 = snapshotv1.New(c)
 
 	cs.DiscoveryClient = discovery.NewDiscoveryClient(c)

client/clientset/versioned/doc.go

@@ -1,5 +1,5 @@
 /*
-Copyright 2022 The Kubernetes Authors.
+Copyright 2023 The Kubernetes Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.

client/clientset/versioned/fake/clientset_generated.go

@@ -1,5 +1,5 @@
 /*
-Copyright 2022 The Kubernetes Authors.
+Copyright 2023 The Kubernetes Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -20,6 +20,8 @@ package fake
 
 import (
 	clientset "github.com/kubernetes-csi/external-snapshotter/client/v6/clientset/versioned"
+	snapshotv1alpha1 "github.com/kubernetes-csi/external-snapshotter/client/v6/clientset/versioned/typed/volumegroupsnapshot/v1alpha1"
+	fakesnapshotv1alpha1 "github.com/kubernetes-csi/external-snapshotter/client/v6/clientset/versioned/typed/volumegroupsnapshot/v1alpha1/fake"
 	snapshotv1 "github.com/kubernetes-csi/external-snapshotter/client/v6/clientset/versioned/typed/volumesnapshot/v1"
 	fakesnapshotv1 "github.com/kubernetes-csi/external-snapshotter/client/v6/clientset/versioned/typed/volumesnapshot/v1/fake"
 	"k8s.io/apimachinery/pkg/runtime"
@@ -79,6 +81,11 @@ var (
 	_ testing.FakeClient  = &Clientset{}
 )
 
+// SnapshotV1alpha1 retrieves the SnapshotV1alpha1Client
+func (c *Clientset) SnapshotV1alpha1() snapshotv1alpha1.SnapshotV1alpha1Interface {
+	return &fakesnapshotv1alpha1.FakeSnapshotV1alpha1{Fake: &c.Fake}
+}
+
 // SnapshotV1 retrieves the SnapshotV1Client
 func (c *Clientset) SnapshotV1() snapshotv1.SnapshotV1Interface {
 	return &fakesnapshotv1.FakeSnapshotV1{Fake: &c.Fake}

client/clientset/versioned/fake/doc.go

@@ -1,5 +1,5 @@
 /*
-Copyright 2022 The Kubernetes Authors.
+Copyright 2023 The Kubernetes Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.

client/clientset/versioned/fake/register.go

@@ -1,5 +1,5 @@
 /*
-Copyright 2022 The Kubernetes Authors.
+Copyright 2023 The Kubernetes Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -19,6 +19,7 @@ limitations under the License.
 package fake
 
 import (
+	snapshotv1alpha1 "github.com/kubernetes-csi/external-snapshotter/client/v6/apis/volumegroupsnapshot/v1alpha1"
 	snapshotv1 "github.com/kubernetes-csi/external-snapshotter/client/v6/apis/volumesnapshot/v1"
 	v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	runtime "k8s.io/apimachinery/pkg/runtime"
@@ -31,6 +32,7 @@ var scheme = runtime.NewScheme()
 var codecs = serializer.NewCodecFactory(scheme)
 
 var localSchemeBuilder = runtime.SchemeBuilder{
+	snapshotv1alpha1.AddToScheme,
 	snapshotv1.AddToScheme,
 }
 

client/clientset/versioned/scheme/doc.go

@@ -1,5 +1,5 @@
 /*
-Copyright 2022 The Kubernetes Authors.
+Copyright 2023 The Kubernetes Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.

client/clientset/versioned/scheme/register.go

@@ -1,5 +1,5 @@
 /*
-Copyright 2022 The Kubernetes Authors.
+Copyright 2023 The Kubernetes Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -19,6 +19,7 @@ limitations under the License.
 package scheme
 
 import (
+	snapshotv1alpha1 "github.com/kubernetes-csi/external-snapshotter/client/v6/apis/volumegroupsnapshot/v1alpha1"
 	snapshotv1 "github.com/kubernetes-csi/external-snapshotter/client/v6/apis/volumesnapshot/v1"
 	v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	runtime "k8s.io/apimachinery/pkg/runtime"
@@ -31,6 +32,7 @@ var Scheme = runtime.NewScheme()
 var Codecs = serializer.NewCodecFactory(Scheme)
 var ParameterCodec = runtime.NewParameterCodec(Scheme)
 var localSchemeBuilder = runtime.SchemeBuilder{
+	snapshotv1alpha1.AddToScheme,
 	snapshotv1.AddToScheme,
 }
 

client/clientset/versioned/typed/volumegroupsnapshot/v1alpha1/doc.go

@@ -0,0 +1,20 @@
+/*
+Copyright 2023 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by client-gen. DO NOT EDIT.
+
+// This package has the automatically generated typed clients.
+package v1alpha1

client/clientset/versioned/typed/volumegroupsnapshot/v1alpha1/fake/doc.go

@@ -0,0 +1,20 @@
+/*
+Copyright 2023 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by client-gen. DO NOT EDIT.
+
+// Package fake has the automatically generated clients.
+package fake

client/clientset/versioned/typed/volumegroupsnapshot/v1alpha1/fake/fake_volumegroupsnapshot.go

@@ -0,0 +1,142 @@
+/*
+Copyright 2023 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by client-gen. DO NOT EDIT.
+
+package fake
+
+import (
+	"context"
+
+	v1alpha1 "github.com/kubernetes-csi/external-snapshotter/client/v6/apis/volumegroupsnapshot/v1alpha1"
+	v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	labels "k8s.io/apimachinery/pkg/labels"
+	schema "k8s.io/apimachinery/pkg/runtime/schema"
+	types "k8s.io/apimachinery/pkg/types"
+	watch "k8s.io/apimachinery/pkg/watch"
+	testing "k8s.io/client-go/testing"
+)
+
+// FakeVolumeGroupSnapshots implements VolumeGroupSnapshotInterface
+type FakeVolumeGroupSnapshots struct {
+	Fake *FakeSnapshotV1alpha1
+	ns   string
+}
+
+var volumegroupsnapshotsResource = schema.GroupVersionResource{Group: "snapshot.storage.k8s.io", Version: "v1alpha1", Resource: "volumegroupsnapshots"}
+
+var volumegroupsnapshotsKind = schema.GroupVersionKind{Group: "snapshot.storage.k8s.io", Version: "v1alpha1", Kind: "VolumeGroupSnapshot"}
+
+// Get takes name of the volumeGroupSnapshot, and returns the corresponding volumeGroupSnapshot object, and an error if there is any.
+func (c *FakeVolumeGroupSnapshots) Get(ctx context.Context, name string, options v1.GetOptions) (result *v1alpha1.VolumeGroupSnapshot, err error) {
+	obj, err := c.Fake.
+		Invokes(testing.NewGetAction(volumegroupsnapshotsResource, c.ns, name), &v1alpha1.VolumeGroupSnapshot{})
+
+	if obj == nil {
+		return nil, err
+	}
+	return obj.(*v1alpha1.VolumeGroupSnapshot), err
+}
+
+// List takes label and field selectors, and returns the list of VolumeGroupSnapshots that match those selectors.
+func (c *FakeVolumeGroupSnapshots) List(ctx context.Context, opts v1.ListOptions) (result *v1alpha1.VolumeGroupSnapshotList, err error) {
+	obj, err := c.Fake.
+		Invokes(testing.NewListAction(volumegroupsnapshotsResource, volumegroupsnapshotsKind, c.ns, opts), &v1alpha1.VolumeGroupSnapshotList{})
+
+	if obj == nil {
+		return nil, err
+	}
+
+	label, _, _ := testing.ExtractFromListOptions(opts)
+	if label == nil {
+		label = labels.Everything()
+	}
+	list := &v1alpha1.VolumeGroupSnapshotList{ListMeta: obj.(*v1alpha1.VolumeGroupSnapshotList).ListMeta}
+	for _, item := range obj.(*v1alpha1.VolumeGroupSnapshotList).Items {
+		if label.Matches(labels.Set(item.Labels)) {
+			list.Items = append(list.Items, item)
+		}
+	}
+	return list, err
+}
+
+// Watch returns a watch.Interface that watches the requested volumeGroupSnapshots.
+func (c *FakeVolumeGroupSnapshots) Watch(ctx context.Context, opts v1.ListOptions) (watch.Interface, error) {
+	return c.Fake.
+		InvokesWatch(testing.NewWatchAction(volumegroupsnapshotsResource, c.ns, opts))
+
+}
+
+// Create takes the representation of a volumeGroupSnapshot and creates it.  Returns the server's representation of the volumeGroupSnapshot, and an error, if there is any.
+func (c *FakeVolumeGroupSnapshots) Create(ctx context.Context, volumeGroupSnapshot *v1alpha1.VolumeGroupSnapshot, opts v1.CreateOptions) (result *v1alpha1.VolumeGroupSnapshot, err error) {
+	obj, err := c.Fake.
+		Invokes(testing.NewCreateAction(volumegroupsnapshotsResource, c.ns, volumeGroupSnapshot), &v1alpha1.VolumeGroupSnapshot{})
+
+	if obj == nil {
+		return nil, err
+	}
+	return obj.(*v1alpha1.VolumeGroupSnapshot), err
+}
+
+// Update takes the representation of a volumeGroupSnapshot and updates it. Returns the server's representation of the volumeGroupSnapshot, and an error, if there is any.
+func (c *FakeVolumeGroupSnapshots) Update(ctx context.Context, volumeGroupSnapshot *v1alpha1.VolumeGroupSnapshot, opts v1.UpdateOptions) (result *v1alpha1.VolumeGroupSnapshot, err error) {
+	obj, err := c.Fake.
+		Invokes(testing.NewUpdateAction(volumegroupsnapshotsResource, c.ns, volumeGroupSnapshot), &v1alpha1.VolumeGroupSnapshot{})
+
+	if obj == nil {
+		return nil, err
+	}
+	return obj.(*v1alpha1.VolumeGroupSnapshot), err
+}
+
+// UpdateStatus was generated because the type contains a Status member.
+// Add a +genclient:noStatus comment above the type to avoid generating UpdateStatus().
+func (c *FakeVolumeGroupSnapshots) UpdateStatus(ctx context.Context, volumeGroupSnapshot *v1alpha1.VolumeGroupSnapshot, opts v1.UpdateOptions) (*v1alpha1.VolumeGroupSnapshot, error) {
+	obj, err := c.Fake.
+		Invokes(testing.NewUpdateSubresourceAction(volumegroupsnapshotsResource, "status", c.ns, volumeGroupSnapshot), &v1alpha1.VolumeGroupSnapshot{})
+
+	if obj == nil {
+		return nil, err
+	}
+	return obj.(*v1alpha1.VolumeGroupSnapshot), err
+}
+
+// Delete takes name of the volumeGroupSnapshot and deletes it. Returns an error if one occurs.
+func (c *FakeVolumeGroupSnapshots) Delete(ctx context.Context, name string, opts v1.DeleteOptions) error {
+	_, err := c.Fake.
+		Invokes(testing.NewDeleteActionWithOptions(volumegroupsnapshotsResource, c.ns, name, opts), &v1alpha1.VolumeGroupSnapshot{})
+
+	return err
+}
+
+// DeleteCollection deletes a collection of objects.
+func (c *FakeVolumeGroupSnapshots) DeleteCollection(ctx context.Context, opts v1.DeleteOptions, listOpts v1.ListOptions) error {
+	action := testing.NewDeleteCollectionAction(volumegroupsnapshotsResource, c.ns, listOpts)
+
+	_, err := c.Fake.Invokes(action, &v1alpha1.VolumeGroupSnapshotList{})
+	return err
+}
+
+// Patch applies the patch and returns the patched volumeGroupSnapshot.
+func (c *FakeVolumeGroupSnapshots) Patch(ctx context.Context, name string, pt types.PatchType, data []byte, opts v1.PatchOptions, subresources ...string) (result *v1alpha1.VolumeGroupSnapshot, err error) {
+	obj, err := c.Fake.
+		Invokes(testing.NewPatchSubresourceAction(volumegroupsnapshotsResource, c.ns, name, pt, data, subresources...), &v1alpha1.VolumeGroupSnapshot{})
+
+	if obj == nil {
+		return nil, err
+	}
+	return obj.(*v1alpha1.VolumeGroupSnapshot), err
+}

client/clientset/versioned/typed/volumegroupsnapshot/v1alpha1/fake/fake_volumegroupsnapshot_client.go

@@ -0,0 +1,48 @@
+/*
+Copyright 2023 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by client-gen. DO NOT EDIT.
+
+package fake
+
+import (
+	v1alpha1 "github.com/kubernetes-csi/external-snapshotter/client/v6/clientset/versioned/typed/volumegroupsnapshot/v1alpha1"
+	rest "k8s.io/client-go/rest"
+	testing "k8s.io/client-go/testing"
+)
+
+type FakeSnapshotV1alpha1 struct {
+	*testing.Fake
+}
+
+func (c *FakeSnapshotV1alpha1) VolumeGroupSnapshots(namespace string) v1alpha1.VolumeGroupSnapshotInterface {
+	return &FakeVolumeGroupSnapshots{c, namespace}
+}
+
+func (c *FakeSnapshotV1alpha1) VolumeGroupSnapshotClasses() v1alpha1.VolumeGroupSnapshotClassInterface {
+	return &FakeVolumeGroupSnapshotClasses{c}
+}
+
+func (c *FakeSnapshotV1alpha1) VolumeGroupSnapshotContents() v1alpha1.VolumeGroupSnapshotContentInterface {
+	return &FakeVolumeGroupSnapshotContents{c}
+}
+
+// RESTClient returns a RESTClient that is used to communicate
+// with API server by this client implementation.
+func (c *FakeSnapshotV1alpha1) RESTClient() rest.Interface {
+	var ret *rest.RESTClient
+	return ret
+}

client/clientset/versioned/typed/volumegroupsnapshot/v1alpha1/fake/fake_volumegroupsnapshotclass.go

@@ -0,0 +1,122 @@
+/*
+Copyright 2023 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by client-gen. DO NOT EDIT.
+
+package fake
+
+import (
+	"context"
+
+	v1alpha1 "github.com/kubernetes-csi/external-snapshotter/client/v6/apis/volumegroupsnapshot/v1alpha1"
+	v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	labels "k8s.io/apimachinery/pkg/labels"
+	schema "k8s.io/apimachinery/pkg/runtime/schema"
+	types "k8s.io/apimachinery/pkg/types"
+	watch "k8s.io/apimachinery/pkg/watch"
+	testing "k8s.io/client-go/testing"
+)
+
+// FakeVolumeGroupSnapshotClasses implements VolumeGroupSnapshotClassInterface
+type FakeVolumeGroupSnapshotClasses struct {
+	Fake *FakeSnapshotV1alpha1
+}
+
+var volumegroupsnapshotclassesResource = schema.GroupVersionResource{Group: "snapshot.storage.k8s.io", Version: "v1alpha1", Resource: "volumegroupsnapshotclasses"}
+
+var volumegroupsnapshotclassesKind = schema.GroupVersionKind{Group: "snapshot.storage.k8s.io", Version: "v1alpha1", Kind: "VolumeGroupSnapshotClass"}
+
+// Get takes name of the volumeGroupSnapshotClass, and returns the corresponding volumeGroupSnapshotClass object, and an error if there is any.
+func (c *FakeVolumeGroupSnapshotClasses) Get(ctx context.Context, name string, options v1.GetOptions) (result *v1alpha1.VolumeGroupSnapshotClass, err error) {
+	obj, err := c.Fake.
+		Invokes(testing.NewRootGetAction(volumegroupsnapshotclassesResource, name), &v1alpha1.VolumeGroupSnapshotClass{})
+	if obj == nil {
+		return nil, err
+	}
+	return obj.(*v1alpha1.VolumeGroupSnapshotClass), err
+}
+
+// List takes label and field selectors, and returns the list of VolumeGroupSnapshotClasses that match those selectors.
+func (c *FakeVolumeGroupSnapshotClasses) List(ctx context.Context, opts v1.ListOptions) (result *v1alpha1.VolumeGroupSnapshotClassList, err error) {
+	obj, err := c.Fake.
+		Invokes(testing.NewRootListAction(volumegroupsnapshotclassesResource, volumegroupsnapshotclassesKind, opts), &v1alpha1.VolumeGroupSnapshotClassList{})
+	if obj == nil {
+		return nil, err
+	}
+
+	label, _, _ := testing.ExtractFromListOptions(opts)
+	if label == nil {
+		label = labels.Everything()
+	}
+	list := &v1alpha1.VolumeGroupSnapshotClassList{ListMeta: obj.(*v1alpha1.VolumeGroupSnapshotClassList).ListMeta}
+	for _, item := range obj.(*v1alpha1.VolumeGroupSnapshotClassList).Items {
+		if label.Matches(labels.Set(item.Labels)) {
+			list.Items = append(list.Items, item)
+		}
+	}
+	return list, err
+}
+
+// Watch returns a watch.Interface that watches the requested volumeGroupSnapshotClasses.
+func (c *FakeVolumeGroupSnapshotClasses) Watch(ctx context.Context, opts v1.ListOptions) (watch.Interface, error) {
+	return c.Fake.
+		InvokesWatch(testing.NewRootWatchAction(volumegroupsnapshotclassesResource, opts))
+}
+
+// Create takes the representation of a volumeGroupSnapshotClass and creates it.  Returns the server's representation of the volumeGroupSnapshotClass, and an error, if there is any.
+func (c *FakeVolumeGroupSnapshotClasses) Create(ctx context.Context, volumeGroupSnapshotClass *v1alpha1.VolumeGroupSnapshotClass, opts v1.CreateOptions) (result *v1alpha1.VolumeGroupSnapshotClass, err error) {
+	obj, err := c.Fake.
+		Invokes(testing.NewRootCreateAction(volumegroupsnapshotclassesResource, volumeGroupSnapshotClass), &v1alpha1.VolumeGroupSnapshotClass{})
+	if obj == nil {
+		return nil, err
+	}
+	return obj.(*v1alpha1.VolumeGroupSnapshotClass), err
+}
+
+// Update takes the representation of a volumeGroupSnapshotClass and updates it. Returns the server's representation of the volumeGroupSnapshotClass, and an error, if there is any.
+func (c *FakeVolumeGroupSnapshotClasses) Update(ctx context.Context, volumeGroupSnapshotClass *v1alpha1.VolumeGroupSnapshotClass, opts v1.UpdateOptions) (result *v1alpha1.VolumeGroupSnapshotClass, err error) {
+	obj, err := c.Fake.
+		Invokes(testing.NewRootUpdateAction(volumegroupsnapshotclassesResource, volumeGroupSnapshotClass), &v1alpha1.VolumeGroupSnapshotClass{})
+	if obj == nil {
+		return nil, err
+	}
+	return obj.(*v1alpha1.VolumeGroupSnapshotClass), err
+}
+
+// Delete takes name of the volumeGroupSnapshotClass and deletes it. Returns an error if one occurs.
+func (c *FakeVolumeGroupSnapshotClasses) Delete(ctx context.Context, name string, opts v1.DeleteOptions) error {
+	_, err := c.Fake.
+		Invokes(testing.NewRootDeleteActionWithOptions(volumegroupsnapshotclassesResource, name, opts), &v1alpha1.VolumeGroupSnapshotClass{})
+	return err
+}
+
+// DeleteCollection deletes a collection of objects.
+func (c *FakeVolumeGroupSnapshotClasses) DeleteCollection(ctx context.Context, opts v1.DeleteOptions, listOpts v1.ListOptions) error {
+	action := testing.NewRootDeleteCollectionAction(volumegroupsnapshotclassesResource, listOpts)
+
+	_, err := c.Fake.Invokes(action, &v1alpha1.VolumeGroupSnapshotClassList{})
+	return err
+}
+
+// Patch applies the patch and returns the patched volumeGroupSnapshotClass.
+func (c *FakeVolumeGroupSnapshotClasses) Patch(ctx context.Context, name string, pt types.PatchType, data []byte, opts v1.PatchOptions, subresources ...string) (result *v1alpha1.VolumeGroupSnapshotClass, err error) {
+	obj, err := c.Fake.
+		Invokes(testing.NewRootPatchSubresourceAction(volumegroupsnapshotclassesResource, name, pt, data, subresources...), &v1alpha1.VolumeGroupSnapshotClass{})
+	if obj == nil {
+		return nil, err
+	}
+	return obj.(*v1alpha1.VolumeGroupSnapshotClass), err
+}

client/clientset/versioned/typed/volumegroupsnapshot/v1alpha1/fake/fake_volumegroupsnapshotcontent.go

@@ -0,0 +1,133 @@
+/*
+Copyright 2023 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by client-gen. DO NOT EDIT.
+
+package fake
+
+import (
+	"context"
+
+	v1alpha1 "github.com/kubernetes-csi/external-snapshotter/client/v6/apis/volumegroupsnapshot/v1alpha1"
+	v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	labels "k8s.io/apimachinery/pkg/labels"
+	schema "k8s.io/apimachinery/pkg/runtime/schema"
+	types "k8s.io/apimachinery/pkg/types"
+	watch "k8s.io/apimachinery/pkg/watch"
+	testing "k8s.io/client-go/testing"
+)
+
+// FakeVolumeGroupSnapshotContents implements VolumeGroupSnapshotContentInterface
+type FakeVolumeGroupSnapshotContents struct {
+	Fake *FakeSnapshotV1alpha1
+}
+
+var volumegroupsnapshotcontentsResource = schema.GroupVersionResource{Group: "snapshot.storage.k8s.io", Version: "v1alpha1", Resource: "volumegroupsnapshotcontents"}
+
+var volumegroupsnapshotcontentsKind = schema.GroupVersionKind{Group: "snapshot.storage.k8s.io", Version: "v1alpha1", Kind: "VolumeGroupSnapshotContent"}
+
+// Get takes name of the volumeGroupSnapshotContent, and returns the corresponding volumeGroupSnapshotContent object, and an error if there is any.
+func (c *FakeVolumeGroupSnapshotContents) Get(ctx context.Context, name string, options v1.GetOptions) (result *v1alpha1.VolumeGroupSnapshotContent, err error) {
+	obj, err := c.Fake.
+		Invokes(testing.NewRootGetAction(volumegroupsnapshotcontentsResource, name), &v1alpha1.VolumeGroupSnapshotContent{})
+	if obj == nil {
+		return nil, err
+	}
+	return obj.(*v1alpha1.VolumeGroupSnapshotContent), err
+}
+
+// List takes label and field selectors, and returns the list of VolumeGroupSnapshotContents that match those selectors.
+func (c *FakeVolumeGroupSnapshotContents) List(ctx context.Context, opts v1.ListOptions) (result *v1alpha1.VolumeGroupSnapshotContentList, err error) {
+	obj, err := c.Fake.
+		Invokes(testing.NewRootListAction(volumegroupsnapshotcontentsResource, volumegroupsnapshotcontentsKind, opts), &v1alpha1.VolumeGroupSnapshotContentList{})
+	if obj == nil {
+		return nil, err
+	}
+
+	label, _, _ := testing.ExtractFromListOptions(opts)
+	if label == nil {
+		label = labels.Everything()
+	}
+	list := &v1alpha1.VolumeGroupSnapshotContentList{ListMeta: obj.(*v1alpha1.VolumeGroupSnapshotContentList).ListMeta}
+	for _, item := range obj.(*v1alpha1.VolumeGroupSnapshotContentList).Items {
+		if label.Matches(labels.Set(item.Labels)) {
+			list.Items = append(list.Items, item)
+		}
+	}
+	return list, err
+}
+
+// Watch returns a watch.Interface that watches the requested volumeGroupSnapshotContents.
+func (c *FakeVolumeGroupSnapshotContents) Watch(ctx context.Context, opts v1.ListOptions) (watch.Interface, error) {
+	return c.Fake.
+		InvokesWatch(testing.NewRootWatchAction(volumegroupsnapshotcontentsResource, opts))
+}
+
+// Create takes the representation of a volumeGroupSnapshotContent and creates it.  Returns the server's representation of the volumeGroupSnapshotContent, and an error, if there is any.
+func (c *FakeVolumeGroupSnapshotContents) Create(ctx context.Context, volumeGroupSnapshotContent *v1alpha1.VolumeGroupSnapshotContent, opts v1.CreateOptions) (result *v1alpha1.VolumeGroupSnapshotContent, err error) {
+	obj, err := c.Fake.
+		Invokes(testing.NewRootCreateAction(volumegroupsnapshotcontentsResource, volumeGroupSnapshotContent), &v1alpha1.VolumeGroupSnapshotContent{})
+	if obj == nil {
+		return nil, err
+	}
+	return obj.(*v1alpha1.VolumeGroupSnapshotContent), err
+}
+
+// Update takes the representation of a volumeGroupSnapshotContent and updates it. Returns the server's representation of the volumeGroupSnapshotContent, and an error, if there is any.
+func (c *FakeVolumeGroupSnapshotContents) Update(ctx context.Context, volumeGroupSnapshotContent *v1alpha1.VolumeGroupSnapshotContent, opts v1.UpdateOptions) (result *v1alpha1.VolumeGroupSnapshotContent, err error) {
+	obj, err := c.Fake.
+		Invokes(testing.NewRootUpdateAction(volumegroupsnapshotcontentsResource, volumeGroupSnapshotContent), &v1alpha1.VolumeGroupSnapshotContent{})
+	if obj == nil {
+		return nil, err
+	}
+	return obj.(*v1alpha1.VolumeGroupSnapshotContent), err
+}
+
+// UpdateStatus was generated because the type contains a Status member.
+// Add a +genclient:noStatus comment above the type to avoid generating UpdateStatus().
+func (c *FakeVolumeGroupSnapshotContents) UpdateStatus(ctx context.Context, volumeGroupSnapshotContent *v1alpha1.VolumeGroupSnapshotContent, opts v1.UpdateOptions) (*v1alpha1.VolumeGroupSnapshotContent, error) {
+	obj, err := c.Fake.
+		Invokes(testing.NewRootUpdateSubresourceAction(volumegroupsnapshotcontentsResource, "status", volumeGroupSnapshotContent), &v1alpha1.VolumeGroupSnapshotContent{})
+	if obj == nil {
+		return nil, err
+	}
+	return obj.(*v1alpha1.VolumeGroupSnapshotContent), err
+}
+
+// Delete takes name of the volumeGroupSnapshotContent and deletes it. Returns an error if one occurs.
+func (c *FakeVolumeGroupSnapshotContents) Delete(ctx context.Context, name string, opts v1.DeleteOptions) error {
+	_, err := c.Fake.
+		Invokes(testing.NewRootDeleteActionWithOptions(volumegroupsnapshotcontentsResource, name, opts), &v1alpha1.VolumeGroupSnapshotContent{})
+	return err
+}
+
+// DeleteCollection deletes a collection of objects.
+func (c *FakeVolumeGroupSnapshotContents) DeleteCollection(ctx context.Context, opts v1.DeleteOptions, listOpts v1.ListOptions) error {
+	action := testing.NewRootDeleteCollectionAction(volumegroupsnapshotcontentsResource, listOpts)
+
+	_, err := c.Fake.Invokes(action, &v1alpha1.VolumeGroupSnapshotContentList{})
+	return err
+}
+
+// Patch applies the patch and returns the patched volumeGroupSnapshotContent.
+func (c *FakeVolumeGroupSnapshotContents) Patch(ctx context.Context, name string, pt types.PatchType, data []byte, opts v1.PatchOptions, subresources ...string) (result *v1alpha1.VolumeGroupSnapshotContent, err error) {
+	obj, err := c.Fake.
+		Invokes(testing.NewRootPatchSubresourceAction(volumegroupsnapshotcontentsResource, name, pt, data, subresources...), &v1alpha1.VolumeGroupSnapshotContent{})
+	if obj == nil {
+		return nil, err
+	}
+	return obj.(*v1alpha1.VolumeGroupSnapshotContent), err
+}

client/clientset/versioned/typed/volumegroupsnapshot/v1alpha1/generated_expansion.go

@@ -0,0 +1,25 @@
+/*
+Copyright 2023 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by client-gen. DO NOT EDIT.
+
+package v1alpha1
+
+type VolumeGroupSnapshotExpansion interface{}
+
+type VolumeGroupSnapshotClassExpansion interface{}
+
+type VolumeGroupSnapshotContentExpansion interface{}

client/clientset/versioned/typed/volumegroupsnapshot/v1alpha1/volumegroupsnapshot.go

@@ -0,0 +1,195 @@
+/*
+Copyright 2023 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by client-gen. DO NOT EDIT.
+
+package v1alpha1
+
+import (
+	"context"
+	"time"
+
+	v1alpha1 "github.com/kubernetes-csi/external-snapshotter/client/v6/apis/volumegroupsnapshot/v1alpha1"
+	scheme "github.com/kubernetes-csi/external-snapshotter/client/v6/clientset/versioned/scheme"
+	v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	types "k8s.io/apimachinery/pkg/types"
+	watch "k8s.io/apimachinery/pkg/watch"
+	rest "k8s.io/client-go/rest"
+)
+
+// VolumeGroupSnapshotsGetter has a method to return a VolumeGroupSnapshotInterface.
+// A group's client should implement this interface.
+type VolumeGroupSnapshotsGetter interface {
+	VolumeGroupSnapshots(namespace string) VolumeGroupSnapshotInterface
+}
+
+// VolumeGroupSnapshotInterface has methods to work with VolumeGroupSnapshot resources.
+type VolumeGroupSnapshotInterface interface {
+	Create(ctx context.Context, volumeGroupSnapshot *v1alpha1.VolumeGroupSnapshot, opts v1.CreateOptions) (*v1alpha1.VolumeGroupSnapshot, error)
+	Update(ctx context.Context, volumeGroupSnapshot *v1alpha1.VolumeGroupSnapshot, opts v1.UpdateOptions) (*v1alpha1.VolumeGroupSnapshot, error)
+	UpdateStatus(ctx context.Context, volumeGroupSnapshot *v1alpha1.VolumeGroupSnapshot, opts v1.UpdateOptions) (*v1alpha1.VolumeGroupSnapshot, error)
+	Delete(ctx context.Context, name string, opts v1.DeleteOptions) error
+	DeleteCollection(ctx context.Context, opts v1.DeleteOptions, listOpts v1.ListOptions) error
+	Get(ctx context.Context, name string, opts v1.GetOptions) (*v1alpha1.VolumeGroupSnapshot, error)
+	List(ctx context.Context, opts v1.ListOptions) (*v1alpha1.VolumeGroupSnapshotList, error)
+	Watch(ctx context.Context, opts v1.ListOptions) (watch.Interface, error)
+	Patch(ctx context.Context, name string, pt types.PatchType, data []byte, opts v1.PatchOptions, subresources ...string) (result *v1alpha1.VolumeGroupSnapshot, err error)
+	VolumeGroupSnapshotExpansion
+}
+
+// volumeGroupSnapshots implements VolumeGroupSnapshotInterface
+type volumeGroupSnapshots struct {
+	client rest.Interface
+	ns     string
+}
+
+// newVolumeGroupSnapshots returns a VolumeGroupSnapshots
+func newVolumeGroupSnapshots(c *SnapshotV1alpha1Client, namespace string) *volumeGroupSnapshots {
+	return &volumeGroupSnapshots{
+		client: c.RESTClient(),
+		ns:     namespace,
+	}
+}
+
+// Get takes name of the volumeGroupSnapshot, and returns the corresponding volumeGroupSnapshot object, and an error if there is any.
+func (c *volumeGroupSnapshots) Get(ctx context.Context, name string, options v1.GetOptions) (result *v1alpha1.VolumeGroupSnapshot, err error) {
+	result = &v1alpha1.VolumeGroupSnapshot{}
+	err = c.client.Get().
+		Namespace(c.ns).
+		Resource("volumegroupsnapshots").
+		Name(name).
+		VersionedParams(&options, scheme.ParameterCodec).
+		Do(ctx).
+		Into(result)
+	return
+}
+
+// List takes label and field selectors, and returns the list of VolumeGroupSnapshots that match those selectors.
+func (c *volumeGroupSnapshots) List(ctx context.Context, opts v1.ListOptions) (result *v1alpha1.VolumeGroupSnapshotList, err error) {
+	var timeout time.Duration
+	if opts.TimeoutSeconds != nil {
+		timeout = time.Duration(*opts.TimeoutSeconds) * time.Second
+	}
+	result = &v1alpha1.VolumeGroupSnapshotList{}
+	err = c.client.Get().
+		Namespace(c.ns).
+		Resource("volumegroupsnapshots").
+		VersionedParams(&opts, scheme.ParameterCodec).
+		Timeout(timeout).
+		Do(ctx).
+		Into(result)
+	return
+}
+
+// Watch returns a watch.Interface that watches the requested volumeGroupSnapshots.
+func (c *volumeGroupSnapshots) Watch(ctx context.Context, opts v1.ListOptions) (watch.Interface, error) {
+	var timeout time.Duration
+	if opts.TimeoutSeconds != nil {
+		timeout = time.Duration(*opts.TimeoutSeconds) * time.Second
+	}
+	opts.Watch = true
+	return c.client.Get().
+		Namespace(c.ns).
+		Resource("volumegroupsnapshots").
+		VersionedParams(&opts, scheme.ParameterCodec).
+		Timeout(timeout).
+		Watch(ctx)
+}
+
+// Create takes the representation of a volumeGroupSnapshot and creates it.  Returns the server's representation of the volumeGroupSnapshot, and an error, if there is any.
+func (c *volumeGroupSnapshots) Create(ctx context.Context, volumeGroupSnapshot *v1alpha1.VolumeGroupSnapshot, opts v1.CreateOptions) (result *v1alpha1.VolumeGroupSnapshot, err error) {
+	result = &v1alpha1.VolumeGroupSnapshot{}
+	err = c.client.Post().
+		Namespace(c.ns).
+		Resource("volumegroupsnapshots").
+		VersionedParams(&opts, scheme.ParameterCodec).
+		Body(volumeGroupSnapshot).
+		Do(ctx).
+		Into(result)
+	return
+}
+
+// Update takes the representation of a volumeGroupSnapshot and updates it. Returns the server's representation of the volumeGroupSnapshot, and an error, if there is any.
+func (c *volumeGroupSnapshots) Update(ctx context.Context, volumeGroupSnapshot *v1alpha1.VolumeGroupSnapshot, opts v1.UpdateOptions) (result *v1alpha1.VolumeGroupSnapshot, err error) {
+	result = &v1alpha1.VolumeGroupSnapshot{}
+	err = c.client.Put().
+		Namespace(c.ns).
+		Resource("volumegroupsnapshots").
+		Name(volumeGroupSnapshot.Name).
+		VersionedParams(&opts, scheme.ParameterCodec).
+		Body(volumeGroupSnapshot).
+		Do(ctx).
+		Into(result)
+	return
+}
+
+// UpdateStatus was generated because the type contains a Status member.
+// Add a +genclient:noStatus comment above the type to avoid generating UpdateStatus().
+func (c *volumeGroupSnapshots) UpdateStatus(ctx context.Context, volumeGroupSnapshot *v1alpha1.VolumeGroupSnapshot, opts v1.UpdateOptions) (result *v1alpha1.VolumeGroupSnapshot, err error) {
+	result = &v1alpha1.VolumeGroupSnapshot{}
+	err = c.client.Put().
+		Namespace(c.ns).
+		Resource("volumegroupsnapshots").
+		Name(volumeGroupSnapshot.Name).
+		SubResource("status").
+		VersionedParams(&opts, scheme.ParameterCodec).
+		Body(volumeGroupSnapshot).
+		Do(ctx).
+		Into(result)
+	return
+}
+
+// Delete takes name of the volumeGroupSnapshot and deletes it. Returns an error if one occurs.
+func (c *volumeGroupSnapshots) Delete(ctx context.Context, name string, opts v1.DeleteOptions) error {
+	return c.client.Delete().
+		Namespace(c.ns).
+		Resource("volumegroupsnapshots").
+		Name(name).
+		Body(&opts).
+		Do(ctx).
+		Error()
+}
+
+// DeleteCollection deletes a collection of objects.
+func (c *volumeGroupSnapshots) DeleteCollection(ctx context.Context, opts v1.DeleteOptions, listOpts v1.ListOptions) error {
+	var timeout time.Duration
+	if listOpts.TimeoutSeconds != nil {
+		timeout = time.Duration(*listOpts.TimeoutSeconds) * time.Second
+	}
+	return c.client.Delete().
+		Namespace(c.ns).
+		Resource("volumegroupsnapshots").
+		VersionedParams(&listOpts, scheme.ParameterCodec).
+		Timeout(timeout).
+		Body(&opts).
+		Do(ctx).
+		Error()
+}
+
+// Patch applies the patch and returns the patched volumeGroupSnapshot.
+func (c *volumeGroupSnapshots) Patch(ctx context.Context, name string, pt types.PatchType, data []byte, opts v1.PatchOptions, subresources ...string) (result *v1alpha1.VolumeGroupSnapshot, err error) {
+	result = &v1alpha1.VolumeGroupSnapshot{}
+	err = c.client.Patch(pt).
+		Namespace(c.ns).
+		Resource("volumegroupsnapshots").
+		Name(name).
+		SubResource(subresources...).
+		VersionedParams(&opts, scheme.ParameterCodec).
+		Body(data).
+		Do(ctx).
+		Into(result)
+	return
+}

client/clientset/versioned/typed/volumegroupsnapshot/v1alpha1/volumegroupsnapshot_client.go

@@ -0,0 +1,117 @@
+/*
+Copyright 2023 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by client-gen. DO NOT EDIT.
+
+package v1alpha1
+
+import (
+	"net/http"
+
+	v1alpha1 "github.com/kubernetes-csi/external-snapshotter/client/v6/apis/volumegroupsnapshot/v1alpha1"
+	"github.com/kubernetes-csi/external-snapshotter/client/v6/clientset/versioned/scheme"
+	rest "k8s.io/client-go/rest"
+)
+
+type SnapshotV1alpha1Interface interface {
+	RESTClient() rest.Interface
+	VolumeGroupSnapshotsGetter
+	VolumeGroupSnapshotClassesGetter
+	VolumeGroupSnapshotContentsGetter
+}
+
+// SnapshotV1alpha1Client is used to interact with features provided by the snapshot.storage.k8s.io group.
+type SnapshotV1alpha1Client struct {
+	restClient rest.Interface
+}
+
+func (c *SnapshotV1alpha1Client) VolumeGroupSnapshots(namespace string) VolumeGroupSnapshotInterface {
+	return newVolumeGroupSnapshots(c, namespace)
+}
+
+func (c *SnapshotV1alpha1Client) VolumeGroupSnapshotClasses() VolumeGroupSnapshotClassInterface {
+	return newVolumeGroupSnapshotClasses(c)
+}
+
+func (c *SnapshotV1alpha1Client) VolumeGroupSnapshotContents() VolumeGroupSnapshotContentInterface {
+	return newVolumeGroupSnapshotContents(c)
+}
+
+// NewForConfig creates a new SnapshotV1alpha1Client for the given config.
+// NewForConfig is equivalent to NewForConfigAndClient(c, httpClient),
+// where httpClient was generated with rest.HTTPClientFor(c).
+func NewForConfig(c *rest.Config) (*SnapshotV1alpha1Client, error) {
+	config := *c
+	if err := setConfigDefaults(&config); err != nil {
+		return nil, err
+	}
+	httpClient, err := rest.HTTPClientFor(&config)
+	if err != nil {
+		return nil, err
+	}
+	return NewForConfigAndClient(&config, httpClient)
+}
+
+// NewForConfigAndClient creates a new SnapshotV1alpha1Client for the given config and http client.
+// Note the http client provided takes precedence over the configured transport values.
+func NewForConfigAndClient(c *rest.Config, h *http.Client) (*SnapshotV1alpha1Client, error) {
+	config := *c
+	if err := setConfigDefaults(&config); err != nil {
+		return nil, err
+	}
+	client, err := rest.RESTClientForConfigAndClient(&config, h)
+	if err != nil {
+		return nil, err
+	}
+	return &SnapshotV1alpha1Client{client}, nil
+}
+
+// NewForConfigOrDie creates a new SnapshotV1alpha1Client for the given config and
+// panics if there is an error in the config.
+func NewForConfigOrDie(c *rest.Config) *SnapshotV1alpha1Client {
+	client, err := NewForConfig(c)
+	if err != nil {
+		panic(err)
+	}
+	return client
+}
+
+// New creates a new SnapshotV1alpha1Client for the given RESTClient.
+func New(c rest.Interface) *SnapshotV1alpha1Client {
+	return &SnapshotV1alpha1Client{c}
+}
+
+func setConfigDefaults(config *rest.Config) error {
+	gv := v1alpha1.SchemeGroupVersion
+	config.GroupVersion = &gv
+	config.APIPath = "/apis"
+	config.NegotiatedSerializer = scheme.Codecs.WithoutConversion()
+
+	if config.UserAgent == "" {
+		config.UserAgent = rest.DefaultKubernetesUserAgent()
+	}
+
+	return nil
+}
+
+// RESTClient returns a RESTClient that is used to communicate
+// with API server by this client implementation.
+func (c *SnapshotV1alpha1Client) RESTClient() rest.Interface {
+	if c == nil {
+		return nil
+	}
+	return c.restClient
+}

client/clientset/versioned/typed/volumegroupsnapshot/v1alpha1/volumegroupsnapshotclass.go

@@ -0,0 +1,168 @@
+/*
+Copyright 2023 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by client-gen. DO NOT EDIT.
+
+package v1alpha1
+
+import (
+	"context"
+	"time"
+
+	v1alpha1 "github.com/kubernetes-csi/external-snapshotter/client/v6/apis/volumegroupsnapshot/v1alpha1"
+	scheme "github.com/kubernetes-csi/external-snapshotter/client/v6/clientset/versioned/scheme"
+	v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	types "k8s.io/apimachinery/pkg/types"
+	watch "k8s.io/apimachinery/pkg/watch"
+	rest "k8s.io/client-go/rest"
+)
+
+// VolumeGroupSnapshotClassesGetter has a method to return a VolumeGroupSnapshotClassInterface.
+// A group's client should implement this interface.
+type VolumeGroupSnapshotClassesGetter interface {
+	VolumeGroupSnapshotClasses() VolumeGroupSnapshotClassInterface
+}
+
+// VolumeGroupSnapshotClassInterface has methods to work with VolumeGroupSnapshotClass resources.
+type VolumeGroupSnapshotClassInterface interface {
+	Create(ctx context.Context, volumeGroupSnapshotClass *v1alpha1.VolumeGroupSnapshotClass, opts v1.CreateOptions) (*v1alpha1.VolumeGroupSnapshotClass, error)
+	Update(ctx context.Context, volumeGroupSnapshotClass *v1alpha1.VolumeGroupSnapshotClass, opts v1.UpdateOptions) (*v1alpha1.VolumeGroupSnapshotClass, error)
+	Delete(ctx context.Context, name string, opts v1.DeleteOptions) error
+	DeleteCollection(ctx context.Context, opts v1.DeleteOptions, listOpts v1.ListOptions) error
+	Get(ctx context.Context, name string, opts v1.GetOptions) (*v1alpha1.VolumeGroupSnapshotClass, error)
+	List(ctx context.Context, opts v1.ListOptions) (*v1alpha1.VolumeGroupSnapshotClassList, error)
+	Watch(ctx context.Context, opts v1.ListOptions) (watch.Interface, error)
+	Patch(ctx context.Context, name string, pt types.PatchType, data []byte, opts v1.PatchOptions, subresources ...string) (result *v1alpha1.VolumeGroupSnapshotClass, err error)
+	VolumeGroupSnapshotClassExpansion
+}
+
+// volumeGroupSnapshotClasses implements VolumeGroupSnapshotClassInterface
+type volumeGroupSnapshotClasses struct {
+	client rest.Interface
+}
+
+// newVolumeGroupSnapshotClasses returns a VolumeGroupSnapshotClasses
+func newVolumeGroupSnapshotClasses(c *SnapshotV1alpha1Client) *volumeGroupSnapshotClasses {
+	return &volumeGroupSnapshotClasses{
+		client: c.RESTClient(),
+	}
+}
+
+// Get takes name of the volumeGroupSnapshotClass, and returns the corresponding volumeGroupSnapshotClass object, and an error if there is any.
+func (c *volumeGroupSnapshotClasses) Get(ctx context.Context, name string, options v1.GetOptions) (result *v1alpha1.VolumeGroupSnapshotClass, err error) {
+	result = &v1alpha1.VolumeGroupSnapshotClass{}
+	err = c.client.Get().
+		Resource("volumegroupsnapshotclasses").
+		Name(name).
+		VersionedParams(&options, scheme.ParameterCodec).
+		Do(ctx).
+		Into(result)
+	return
+}
+
+// List takes label and field selectors, and returns the list of VolumeGroupSnapshotClasses that match those selectors.
+func (c *volumeGroupSnapshotClasses) List(ctx context.Context, opts v1.ListOptions) (result *v1alpha1.VolumeGroupSnapshotClassList, err error) {
+	var timeout time.Duration
+	if opts.TimeoutSeconds != nil {
+		timeout = time.Duration(*opts.TimeoutSeconds) * time.Second
+	}
+	result = &v1alpha1.VolumeGroupSnapshotClassList{}
+	err = c.client.Get().
+		Resource("volumegroupsnapshotclasses").
+		VersionedParams(&opts, scheme.ParameterCodec).
+		Timeout(timeout).
+		Do(ctx).
+		Into(result)
+	return
+}
+
+// Watch returns a watch.Interface that watches the requested volumeGroupSnapshotClasses.
+func (c *volumeGroupSnapshotClasses) Watch(ctx context.Context, opts v1.ListOptions) (watch.Interface, error) {
+	var timeout time.Duration
+	if opts.TimeoutSeconds != nil {
+		timeout = time.Duration(*opts.TimeoutSeconds) * time.Second
+	}
+	opts.Watch = true
+	return c.client.Get().
+		Resource("volumegroupsnapshotclasses").
+		VersionedParams(&opts, scheme.ParameterCodec).
+		Timeout(timeout).
+		Watch(ctx)
+}
+
+// Create takes the representation of a volumeGroupSnapshotClass and creates it.  Returns the server's representation of the volumeGroupSnapshotClass, and an error, if there is any.
+func (c *volumeGroupSnapshotClasses) Create(ctx context.Context, volumeGroupSnapshotClass *v1alpha1.VolumeGroupSnapshotClass, opts v1.CreateOptions) (result *v1alpha1.VolumeGroupSnapshotClass, err error) {
+	result = &v1alpha1.VolumeGroupSnapshotClass{}
+	err = c.client.Post().
+		Resource("volumegroupsnapshotclasses").
+		VersionedParams(&opts, scheme.ParameterCodec).
+		Body(volumeGroupSnapshotClass).
+		Do(ctx).
+		Into(result)
+	return
+}
+
+// Update takes the representation of a volumeGroupSnapshotClass and updates it. Returns the server's representation of the volumeGroupSnapshotClass, and an error, if there is any.
+func (c *volumeGroupSnapshotClasses) Update(ctx context.Context, volumeGroupSnapshotClass *v1alpha1.VolumeGroupSnapshotClass, opts v1.UpdateOptions) (result *v1alpha1.VolumeGroupSnapshotClass, err error) {
+	result = &v1alpha1.VolumeGroupSnapshotClass{}
+	err = c.client.Put().
+		Resource("volumegroupsnapshotclasses").
+		Name(volumeGroupSnapshotClass.Name).
+		VersionedParams(&opts, scheme.ParameterCodec).
+		Body(volumeGroupSnapshotClass).
+		Do(ctx).
+		Into(result)
+	return
+}
+
+// Delete takes name of the volumeGroupSnapshotClass and deletes it. Returns an error if one occurs.
+func (c *volumeGroupSnapshotClasses) Delete(ctx context.Context, name string, opts v1.DeleteOptions) error {
+	return c.client.Delete().
+		Resource("volumegroupsnapshotclasses").
+		Name(name).
+		Body(&opts).
+		Do(ctx).
+		Error()
+}
+
+// DeleteCollection deletes a collection of objects.
+func (c *volumeGroupSnapshotClasses) DeleteCollection(ctx context.Context, opts v1.DeleteOptions, listOpts v1.ListOptions) error {
+	var timeout time.Duration
+	if listOpts.TimeoutSeconds != nil {
+		timeout = time.Duration(*listOpts.TimeoutSeconds) * time.Second
+	}
+	return c.client.Delete().
+		Resource("volumegroupsnapshotclasses").
+		VersionedParams(&listOpts, scheme.ParameterCodec).
+		Timeout(timeout).
+		Body(&opts).
+		Do(ctx).
+		Error()
+}
+
+// Patch applies the patch and returns the patched volumeGroupSnapshotClass.
+func (c *volumeGroupSnapshotClasses) Patch(ctx context.Context, name string, pt types.PatchType, data []byte, opts v1.PatchOptions, subresources ...string) (result *v1alpha1.VolumeGroupSnapshotClass, err error) {
+	result = &v1alpha1.VolumeGroupSnapshotClass{}
+	err = c.client.Patch(pt).
+		Resource("volumegroupsnapshotclasses").
+		Name(name).
+		SubResource(subresources...).
+		VersionedParams(&opts, scheme.ParameterCodec).
+		Body(data).
+		Do(ctx).
+		Into(result)
+	return
+}

client/clientset/versioned/typed/volumegroupsnapshot/v1alpha1/volumegroupsnapshotcontent.go

@@ -0,0 +1,184 @@
+/*
+Copyright 2023 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+// Code generated by client-gen. DO NOT EDIT.
+
+package v1alpha1
+
+import (
+	"context"
+	"time"
+
+	v1alpha1 "github.com/kubernetes-csi/external-snapshotter/client/v6/apis/volumegroupsnapshot/v1alpha1"
+	scheme "github.com/kubernetes-csi/external-snapshotter/client/v6/clientset/versioned/scheme"
+	v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	types "k8s.io/apimachinery/pkg/types"
+	watch "k8s.io/apimachinery/pkg/watch"
+	rest "k8s.io/client-go/rest"
+)
+
+// VolumeGroupSnapshotContentsGetter has a method to return a VolumeGroupSnapshotContentInterface.
+// A group's client should implement this interface.
+type VolumeGroupSnapshotContentsGetter interface {
+	VolumeGroupSnapshotContents() VolumeGroupSnapshotContentInterface
+}
+
+// VolumeGroupSnapshotContentInterface has methods to work with VolumeGroupSnapshotContent resources.
+type VolumeGroupSnapshotContentInterface interface {
+	Create(ctx context.Context, volumeGroupSnapshotContent *v1alpha1.VolumeGroupSnapshotContent, opts v1.CreateOptions) (*v1alpha1.VolumeGroupSnapshotContent, error)
+	Update(ctx context.Context, volumeGroupSnapshotContent *v1alpha1.VolumeGroupSnapshotContent, opts v1.UpdateOptions) (*v1alpha1.VolumeGroupSnapshotContent, error)
+	UpdateStatus(ctx context.Context, volumeGroupSnapshotContent *v1alpha1.VolumeGroupSnapshotContent, opts v1.UpdateOptions) (*v1alpha1.VolumeGroupSnapshotContent, error)
+	Delete(ctx context.Context, name string, opts v1.DeleteOptions) error
+	DeleteCollection(ctx context.Context, opts v1.DeleteOptions, listOpts v1.ListOptions) error
+	Get(ctx context.Context, name string, opts v1.GetOptions) (*v1alpha1.VolumeGroupSnapshotContent, error)
+	List(ctx context.Context, opts v1.ListOptions) (*v1alpha1.VolumeGroupSnapshotContentList, error)
+	Watch(ctx context.Context, opts v1.ListOptions) (watch.Interface, error)
+	Patch(ctx context.Context, name string, pt types.PatchType, data []byte, opts v1.PatchOptions, subresources ...string) (result *v1alpha1.VolumeGroupSnapshotContent, err error)
+	VolumeGroupSnapshotContentExpansion
+}
+
+// volumeGroupSnapshotContents implements VolumeGroupSnapshotContentInterface
+type volumeGroupSnapshotContents struct {
+	client rest.Interface
+}
+
+// newVolumeGroupSnapshotContents returns a VolumeGroupSnapshotContents
+func newVolumeGroupSnapshotContents(c *SnapshotV1alpha1Client) *volumeGroupSnapshotContents {
+	return &volumeGroupSnapshotContents{
+		client: c.RESTClient(),
+	}
+}
+
+// Get takes name of the volumeGroupSnapshotContent, and returns the corresponding volumeGroupSnapshotContent object, and an error if there is any.
+func (c *volumeGroupSnapshotContents) Get(ctx context.Context, name string, options v1.GetOptions) (result *v1alpha1.VolumeGroupSnapshotContent, err error) {
+	result = &v1alpha1.VolumeGroupSnapshotContent{}
+	err = c.client.Get().
+		Resource("volumegroupsnapshotcontents").
+		Name(name).
+		VersionedParams(&options, scheme.ParameterCodec).
+		Do(ctx).
+		Into(result)
+	return
+}
+
+// List takes label and field selectors, and returns the list of VolumeGroupSnapshotContents that match those selectors.
+func (c *volumeGroupSnapshotContents) List(ctx context.Context, opts v1.ListOptions) (result *v1alpha1.VolumeGroupSnapshotContentList, err error) {
+	var timeout time.Duration
+	if opts.TimeoutSeconds != nil {
+		timeout = time.Duration(*opts.TimeoutSeconds) * time.Second
+	}
+	result = &v1alpha1.VolumeGroupSnapshotContentList{}
+	err = c.client.Get().
+		Resource("volumegroupsnapshotcontents").
+		VersionedParams(&opts, scheme.ParameterCodec).
+		Timeout(timeout).
+		Do(ctx).
+		Into(result)
+	return
+}
+
+// Watch returns a watch.Interface that watches the requested volumeGroupSnapshotContents.
+func (c *volumeGroupSnapshotContents) Watch(ctx context.Context, opts v1.ListOptions) (watch.Interface, error) {
+	var timeout time.Duration
+	if opts.TimeoutSeconds != nil {
+		timeout = time.Duration(*opts.TimeoutSeconds) * time.Second
+	}
+	opts.Watch = true
+	return c.client.Get().
+		Resource("volumegroupsnapshotcontents").
+		VersionedParams(&opts, scheme.ParameterCodec).
+		Timeout(timeout).
+		Watch(ctx)
+}
+
+// Create takes the representation of a volumeGroupSnapshotContent and creates it.  Returns the server's representation of the volumeGroupSnapshotContent, and an error, if there is any.
+func (c *volumeGroupSnapshotContents) Create(ctx context.Context, volumeGroupSnapshotContent *v1alpha1.VolumeGroupSnapshotContent, opts v1.CreateOptions) (result *v1alpha1.VolumeGroupSnapshotContent, err error) {
+	result = &v1alpha1.VolumeGroupSnapshotContent{}
+	err = c.client.Post().
+		Resource("volumegroupsnapshotcontents").
+		VersionedParams(&opts, scheme.ParameterCodec).
+		Body(volumeGroupSnapshotContent).
+		Do(ctx).
+		Into(result)
+	return
+}
+
+// Update takes the representation of a volumeGroupSnapshotContent and updates it. Returns the server's representation of the volumeGroupSnapshotContent, and an error, if there is any.
+func (c *volumeGroupSnapshotContents) Update(ctx context.Context, volumeGroupSnapshotContent *v1alpha1.VolumeGroupSnapshotContent, opts v1.UpdateOptions) (result *v1alpha1.VolumeGroupSnapshotContent, err error) {
+	result = &v1alpha1.VolumeGroupSnapshotContent{}
+	err = c.client.Put().
+		Resource("volumegroupsnapshotcontents").
+		Name(volumeGroupSnapshotContent.Name).
+		VersionedParams(&opts, scheme.ParameterCodec).
+		Body(volumeGroupSnapshotContent).
+		Do(ctx).
+		Into(result)
+	return
+}
+
+// UpdateStatus was generated because the type contains a Status member.
+// Add a +genclient:noStatus comment above the type to avoid generating UpdateStatus().
+func (c *volumeGroupSnapshotContents) UpdateStatus(ctx context.Context, volumeGroupSnapshotContent *v1alpha1.VolumeGroupSnapshotContent, opts v1.UpdateOptions) (result *v1alpha1.VolumeGroupSnapshotContent, err error) {
+	result = &v1alpha1.VolumeGroupSnapshotContent{}
+	err = c.client.Put().
+		Resource("volumegroupsnapshotcontents").
+		Name(volumeGroupSnapshotContent.Name).
+		SubResource("status").
+		VersionedParams(&opts, scheme.ParameterCodec).
+		Body(volumeGroupSnapshotContent).
+		Do(ctx).
+		Into(result)
+	return
+}
+
+// Delete takes name of the volumeGroupSnapshotContent and deletes it. Returns an error if one occurs.
+func (c *volumeGroupSnapshotContents) Delete(ctx context.Context, name string, opts v1.DeleteOptions) error {
+	return c.client.Delete().
+		Resource("volumegroupsnapshotcontents").
+		Name(name).
+		Body(&opts).
+		Do(ctx).
+		Error()
+}
+
+// DeleteCollection deletes a collection of objects.
+func (c *volumeGroupSnapshotContents) DeleteCollection(ctx context.Context, opts v1.DeleteOptions, listOpts v1.ListOptions) error {
+	var timeout time.Duration
+	if listOpts.TimeoutSeconds != nil {
+		timeout = time.Duration(*listOpts.TimeoutSeconds) * time.Second
+	}
+	return c.client.Delete().
+		Resource("volumegroupsnapshotcontents").
+		VersionedParams(&listOpts, scheme.ParameterCodec).
+		Timeout(timeout).
+		Body(&opts).
+		Do(ctx).
+		Error()
+}
+
+// Patch applies the patch and returns the patched volumeGroupSnapshotContent.
+func (c *volumeGroupSnapshotContents) Patch(ctx context.Context, name string, pt types.PatchType, data []byte, opts v1.PatchOptions, subresources ...string) (result *v1alpha1.VolumeGroupSnapshotContent, err error) {
+	result = &v1alpha1.VolumeGroupSnapshotContent{}
+	err = c.client.Patch(pt).
+		Resource("volumegroupsnapshotcontents").
+		Name(name).
+		SubResource(subresources...).
+		VersionedParams(&opts, scheme.ParameterCodec).
+		Body(data).
+		Do(ctx).
+		Into(result)
+	return
+}

client/clientset/versioned/typed/volumesnapshot/v1/doc.go

@@ -1,5 +1,5 @@
 /*
-Copyright 2022 The Kubernetes Authors.
+Copyright 2023 The Kubernetes Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.

client/clientset/versioned/typed/volumesnapshot/v1/fake/doc.go

@@ -1,5 +1,5 @@
 /*
-Copyright 2022 The Kubernetes Authors.
+Copyright 2023 The Kubernetes Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.

client/clientset/versioned/typed/volumesnapshot/v1/fake/fake_volumesnapshot.go

@@ -1,5 +1,5 @@
 /*
-Copyright 2022 The Kubernetes Authors.
+Copyright 2023 The Kubernetes Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.

client/clientset/versioned/typed/volumesnapshot/v1/fake/fake_volumesnapshot_client.go

@@ -1,5 +1,5 @@
 /*
-Copyright 2022 The Kubernetes Authors.
+Copyright 2023 The Kubernetes Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.

client/clientset/versioned/typed/volumesnapshot/v1/fake/fake_volumesnapshotclass.go

@@ -1,5 +1,5 @@
 /*
-Copyright 2022 The Kubernetes Authors.
+Copyright 2023 The Kubernetes Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.

client/clientset/versioned/typed/volumesnapshot/v1/fake/fake_volumesnapshotcontent.go

@@ -1,5 +1,5 @@
 /*
-Copyright 2022 The Kubernetes Authors.
+Copyright 2023 The Kubernetes Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.

client/clientset/versioned/typed/volumesnapshot/v1/generated_expansion.go

@@ -1,5 +1,5 @@
 /*
-Copyright 2022 The Kubernetes Authors.
+Copyright 2023 The Kubernetes Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.

client/clientset/versioned/typed/volumesnapshot/v1/volumesnapshot.go

@@ -1,5 +1,5 @@
 /*
-Copyright 2022 The Kubernetes Authors.
+Copyright 2023 The Kubernetes Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.

client/clientset/versioned/typed/volumesnapshot/v1/volumesnapshot_client.go

@@ -1,5 +1,5 @@
 /*
-Copyright 2022 The Kubernetes Authors.
+Copyright 2023 The Kubernetes Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.

client/clientset/versioned/typed/volumesnapshot/v1/volumesnapshotclass.go

@@ -1,5 +1,5 @@
 /*
-Copyright 2022 The Kubernetes Authors.
+Copyright 2023 The Kubernetes Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.

client/clientset/versioned/typed/volumesnapshot/v1/volumesnapshotcontent.go

@@ -1,5 +1,5 @@
 /*
-Copyright 2022 The Kubernetes Authors.
+Copyright 2023 The Kubernetes Authors.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.