Add VolumeGroupSnapshot API definition, including CRD, client,

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

client/listers/volumegroupsnapshot/v1alpha1/expansion_generated.go

@@ -0,0 +1,35 @@
+/*
+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 lister-gen. DO NOT EDIT.
+
+package v1alpha1
+
+// VolumeGroupSnapshotListerExpansion allows custom methods to be added to
+// VolumeGroupSnapshotLister.
+type VolumeGroupSnapshotListerExpansion interface{}
+
+// VolumeGroupSnapshotNamespaceListerExpansion allows custom methods to be added to
+// VolumeGroupSnapshotNamespaceLister.
+type VolumeGroupSnapshotNamespaceListerExpansion interface{}
+
+// VolumeGroupSnapshotClassListerExpansion allows custom methods to be added to
+// VolumeGroupSnapshotClassLister.
+type VolumeGroupSnapshotClassListerExpansion interface{}
+
+// VolumeGroupSnapshotContentListerExpansion allows custom methods to be added to
+// VolumeGroupSnapshotContentLister.
+type VolumeGroupSnapshotContentListerExpansion interface{}

client/listers/volumegroupsnapshot/v1alpha1/volumegroupsnapshot.go

@@ -0,0 +1,99 @@
+/*
+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 lister-gen. DO NOT EDIT.
+
+package v1alpha1
+
+import (
+	v1alpha1 "github.com/kubernetes-csi/external-snapshotter/client/v6/apis/volumegroupsnapshot/v1alpha1"
+	"k8s.io/apimachinery/pkg/api/errors"
+	"k8s.io/apimachinery/pkg/labels"
+	"k8s.io/client-go/tools/cache"
+)
+
+// VolumeGroupSnapshotLister helps list VolumeGroupSnapshots.
+// All objects returned here must be treated as read-only.
+type VolumeGroupSnapshotLister interface {
+	// List lists all VolumeGroupSnapshots in the indexer.
+	// Objects returned here must be treated as read-only.
+	List(selector labels.Selector) (ret []*v1alpha1.VolumeGroupSnapshot, err error)
+	// VolumeGroupSnapshots returns an object that can list and get VolumeGroupSnapshots.
+	VolumeGroupSnapshots(namespace string) VolumeGroupSnapshotNamespaceLister
+	VolumeGroupSnapshotListerExpansion
+}
+
+// volumeGroupSnapshotLister implements the VolumeGroupSnapshotLister interface.
+type volumeGroupSnapshotLister struct {
+	indexer cache.Indexer
+}
+
+// NewVolumeGroupSnapshotLister returns a new VolumeGroupSnapshotLister.
+func NewVolumeGroupSnapshotLister(indexer cache.Indexer) VolumeGroupSnapshotLister {
+	return &volumeGroupSnapshotLister{indexer: indexer}
+}
+
+// List lists all VolumeGroupSnapshots in the indexer.
+func (s *volumeGroupSnapshotLister) List(selector labels.Selector) (ret []*v1alpha1.VolumeGroupSnapshot, err error) {
+	err = cache.ListAll(s.indexer, selector, func(m interface{}) {
+		ret = append(ret, m.(*v1alpha1.VolumeGroupSnapshot))
+	})
+	return ret, err
+}
+
+// VolumeGroupSnapshots returns an object that can list and get VolumeGroupSnapshots.
+func (s *volumeGroupSnapshotLister) VolumeGroupSnapshots(namespace string) VolumeGroupSnapshotNamespaceLister {
+	return volumeGroupSnapshotNamespaceLister{indexer: s.indexer, namespace: namespace}
+}
+
+// VolumeGroupSnapshotNamespaceLister helps list and get VolumeGroupSnapshots.
+// All objects returned here must be treated as read-only.
+type VolumeGroupSnapshotNamespaceLister interface {
+	// List lists all VolumeGroupSnapshots in the indexer for a given namespace.
+	// Objects returned here must be treated as read-only.
+	List(selector labels.Selector) (ret []*v1alpha1.VolumeGroupSnapshot, err error)
+	// Get retrieves the VolumeGroupSnapshot from the indexer for a given namespace and name.
+	// Objects returned here must be treated as read-only.
+	Get(name string) (*v1alpha1.VolumeGroupSnapshot, error)
+	VolumeGroupSnapshotNamespaceListerExpansion
+}
+
+// volumeGroupSnapshotNamespaceLister implements the VolumeGroupSnapshotNamespaceLister
+// interface.
+type volumeGroupSnapshotNamespaceLister struct {
+	indexer   cache.Indexer
+	namespace string
+}
+
+// List lists all VolumeGroupSnapshots in the indexer for a given namespace.
+func (s volumeGroupSnapshotNamespaceLister) List(selector labels.Selector) (ret []*v1alpha1.VolumeGroupSnapshot, err error) {
+	err = cache.ListAllByNamespace(s.indexer, s.namespace, selector, func(m interface{}) {
+		ret = append(ret, m.(*v1alpha1.VolumeGroupSnapshot))
+	})
+	return ret, err
+}
+
+// Get retrieves the VolumeGroupSnapshot from the indexer for a given namespace and name.
+func (s volumeGroupSnapshotNamespaceLister) Get(name string) (*v1alpha1.VolumeGroupSnapshot, error) {
+	obj, exists, err := s.indexer.GetByKey(s.namespace + "/" + name)
+	if err != nil {
+		return nil, err
+	}
+	if !exists {
+		return nil, errors.NewNotFound(v1alpha1.Resource("volumegroupsnapshot"), name)
+	}
+	return obj.(*v1alpha1.VolumeGroupSnapshot), nil
+}

client/listers/volumegroupsnapshot/v1alpha1/volumegroupsnapshotclass.go

@@ -0,0 +1,68 @@
+/*
+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 lister-gen. DO NOT EDIT.
+
+package v1alpha1
+
+import (
+	v1alpha1 "github.com/kubernetes-csi/external-snapshotter/client/v6/apis/volumegroupsnapshot/v1alpha1"
+	"k8s.io/apimachinery/pkg/api/errors"
+	"k8s.io/apimachinery/pkg/labels"
+	"k8s.io/client-go/tools/cache"
+)
+
+// VolumeGroupSnapshotClassLister helps list VolumeGroupSnapshotClasses.
+// All objects returned here must be treated as read-only.
+type VolumeGroupSnapshotClassLister interface {
+	// List lists all VolumeGroupSnapshotClasses in the indexer.
+	// Objects returned here must be treated as read-only.
+	List(selector labels.Selector) (ret []*v1alpha1.VolumeGroupSnapshotClass, err error)
+	// Get retrieves the VolumeGroupSnapshotClass from the index for a given name.
+	// Objects returned here must be treated as read-only.
+	Get(name string) (*v1alpha1.VolumeGroupSnapshotClass, error)
+	VolumeGroupSnapshotClassListerExpansion
+}
+
+// volumeGroupSnapshotClassLister implements the VolumeGroupSnapshotClassLister interface.
+type volumeGroupSnapshotClassLister struct {
+	indexer cache.Indexer
+}
+
+// NewVolumeGroupSnapshotClassLister returns a new VolumeGroupSnapshotClassLister.
+func NewVolumeGroupSnapshotClassLister(indexer cache.Indexer) VolumeGroupSnapshotClassLister {
+	return &volumeGroupSnapshotClassLister{indexer: indexer}
+}
+
+// List lists all VolumeGroupSnapshotClasses in the indexer.
+func (s *volumeGroupSnapshotClassLister) List(selector labels.Selector) (ret []*v1alpha1.VolumeGroupSnapshotClass, err error) {
+	err = cache.ListAll(s.indexer, selector, func(m interface{}) {
+		ret = append(ret, m.(*v1alpha1.VolumeGroupSnapshotClass))
+	})
+	return ret, err
+}
+
+// Get retrieves the VolumeGroupSnapshotClass from the index for a given name.
+func (s *volumeGroupSnapshotClassLister) Get(name string) (*v1alpha1.VolumeGroupSnapshotClass, error) {
+	obj, exists, err := s.indexer.GetByKey(name)
+	if err != nil {
+		return nil, err
+	}
+	if !exists {
+		return nil, errors.NewNotFound(v1alpha1.Resource("volumegroupsnapshotclass"), name)
+	}
+	return obj.(*v1alpha1.VolumeGroupSnapshotClass), nil
+}

client/listers/volumegroupsnapshot/v1alpha1/volumegroupsnapshotcontent.go

@@ -0,0 +1,68 @@
+/*
+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 lister-gen. DO NOT EDIT.
+
+package v1alpha1
+
+import (
+	v1alpha1 "github.com/kubernetes-csi/external-snapshotter/client/v6/apis/volumegroupsnapshot/v1alpha1"
+	"k8s.io/apimachinery/pkg/api/errors"
+	"k8s.io/apimachinery/pkg/labels"
+	"k8s.io/client-go/tools/cache"
+)
+
+// VolumeGroupSnapshotContentLister helps list VolumeGroupSnapshotContents.
+// All objects returned here must be treated as read-only.
+type VolumeGroupSnapshotContentLister interface {
+	// List lists all VolumeGroupSnapshotContents in the indexer.
+	// Objects returned here must be treated as read-only.
+	List(selector labels.Selector) (ret []*v1alpha1.VolumeGroupSnapshotContent, err error)
+	// Get retrieves the VolumeGroupSnapshotContent from the index for a given name.
+	// Objects returned here must be treated as read-only.
+	Get(name string) (*v1alpha1.VolumeGroupSnapshotContent, error)
+	VolumeGroupSnapshotContentListerExpansion
+}
+
+// volumeGroupSnapshotContentLister implements the VolumeGroupSnapshotContentLister interface.
+type volumeGroupSnapshotContentLister struct {
+	indexer cache.Indexer
+}
+
+// NewVolumeGroupSnapshotContentLister returns a new VolumeGroupSnapshotContentLister.
+func NewVolumeGroupSnapshotContentLister(indexer cache.Indexer) VolumeGroupSnapshotContentLister {
+	return &volumeGroupSnapshotContentLister{indexer: indexer}
+}
+
+// List lists all VolumeGroupSnapshotContents in the indexer.
+func (s *volumeGroupSnapshotContentLister) List(selector labels.Selector) (ret []*v1alpha1.VolumeGroupSnapshotContent, err error) {
+	err = cache.ListAll(s.indexer, selector, func(m interface{}) {
+		ret = append(ret, m.(*v1alpha1.VolumeGroupSnapshotContent))
+	})
+	return ret, err
+}
+
+// Get retrieves the VolumeGroupSnapshotContent from the index for a given name.
+func (s *volumeGroupSnapshotContentLister) Get(name string) (*v1alpha1.VolumeGroupSnapshotContent, error) {
+	obj, exists, err := s.indexer.GetByKey(name)
+	if err != nil {
+		return nil, err
+	}
+	if !exists {
+		return nil, errors.NewNotFound(v1alpha1.Resource("volumegroupsnapshotcontent"), name)
+	}
+	return obj.(*v1alpha1.VolumeGroupSnapshotContent), nil
+}

client/listers/volumesnapshot/v1/expansion_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.

client/listers/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/listers/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/listers/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.