rebase: update kubernetes to v1.21.2

Updated kubernetes packages to latest release.
resizefs package has been included into k8s.io/mount-utils
package. updated code to use the same.

Updates: #1968

Signed-off-by: Rakshith R <rar@redhat.com>

vendor/k8s.io/client-go/informers/policy/v1/interface.go

@@ -0,0 +1,45 @@
+/*
+Copyright 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 informer-gen. DO NOT EDIT.
+
+package v1
+
+import (
+	internalinterfaces "k8s.io/client-go/informers/internalinterfaces"
+)
+
+// Interface provides access to all the informers in this group version.
+type Interface interface {
+	// PodDisruptionBudgets returns a PodDisruptionBudgetInformer.
+	PodDisruptionBudgets() PodDisruptionBudgetInformer
+}
+
+type version struct {
+	factory          internalinterfaces.SharedInformerFactory
+	namespace        string
+	tweakListOptions internalinterfaces.TweakListOptionsFunc
+}
+
+// New returns a new Interface.
+func New(f internalinterfaces.SharedInformerFactory, namespace string, tweakListOptions internalinterfaces.TweakListOptionsFunc) Interface {
+	return &version{factory: f, namespace: namespace, tweakListOptions: tweakListOptions}
+}
+
+// PodDisruptionBudgets returns a PodDisruptionBudgetInformer.
+func (v *version) PodDisruptionBudgets() PodDisruptionBudgetInformer {
+	return &podDisruptionBudgetInformer{factory: v.factory, namespace: v.namespace, tweakListOptions: v.tweakListOptions}
+}

vendor/k8s.io/client-go/informers/policy/v1/poddisruptionbudget.go

@@ -0,0 +1,90 @@
+/*
+Copyright 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 informer-gen. DO NOT EDIT.
+
+package v1
+
+import (
+	"context"
+	time "time"
+
+	policyv1 "k8s.io/api/policy/v1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	runtime "k8s.io/apimachinery/pkg/runtime"
+	watch "k8s.io/apimachinery/pkg/watch"
+	internalinterfaces "k8s.io/client-go/informers/internalinterfaces"
+	kubernetes "k8s.io/client-go/kubernetes"
+	v1 "k8s.io/client-go/listers/policy/v1"
+	cache "k8s.io/client-go/tools/cache"
+)
+
+// PodDisruptionBudgetInformer provides access to a shared informer and lister for
+// PodDisruptionBudgets.
+type PodDisruptionBudgetInformer interface {
+	Informer() cache.SharedIndexInformer
+	Lister() v1.PodDisruptionBudgetLister
+}
+
+type podDisruptionBudgetInformer struct {
+	factory          internalinterfaces.SharedInformerFactory
+	tweakListOptions internalinterfaces.TweakListOptionsFunc
+	namespace        string
+}
+
+// NewPodDisruptionBudgetInformer constructs a new informer for PodDisruptionBudget type.
+// Always prefer using an informer factory to get a shared informer instead of getting an independent
+// one. This reduces memory footprint and number of connections to the server.
+func NewPodDisruptionBudgetInformer(client kubernetes.Interface, namespace string, resyncPeriod time.Duration, indexers cache.Indexers) cache.SharedIndexInformer {
+	return NewFilteredPodDisruptionBudgetInformer(client, namespace, resyncPeriod, indexers, nil)
+}
+
+// NewFilteredPodDisruptionBudgetInformer constructs a new informer for PodDisruptionBudget type.
+// Always prefer using an informer factory to get a shared informer instead of getting an independent
+// one. This reduces memory footprint and number of connections to the server.
+func NewFilteredPodDisruptionBudgetInformer(client kubernetes.Interface, namespace string, resyncPeriod time.Duration, indexers cache.Indexers, tweakListOptions internalinterfaces.TweakListOptionsFunc) cache.SharedIndexInformer {
+	return cache.NewSharedIndexInformer(
+		&cache.ListWatch{
+			ListFunc: func(options metav1.ListOptions) (runtime.Object, error) {
+				if tweakListOptions != nil {
+					tweakListOptions(&options)
+				}
+				return client.PolicyV1().PodDisruptionBudgets(namespace).List(context.TODO(), options)
+			},
+			WatchFunc: func(options metav1.ListOptions) (watch.Interface, error) {
+				if tweakListOptions != nil {
+					tweakListOptions(&options)
+				}
+				return client.PolicyV1().PodDisruptionBudgets(namespace).Watch(context.TODO(), options)
+			},
+		},
+		&policyv1.PodDisruptionBudget{},
+		resyncPeriod,
+		indexers,
+	)
+}
+
+func (f *podDisruptionBudgetInformer) defaultInformer(client kubernetes.Interface, resyncPeriod time.Duration) cache.SharedIndexInformer {
+	return NewFilteredPodDisruptionBudgetInformer(client, f.namespace, resyncPeriod, cache.Indexers{cache.NamespaceIndex: cache.MetaNamespaceIndexFunc}, f.tweakListOptions)
+}
+
+func (f *podDisruptionBudgetInformer) Informer() cache.SharedIndexInformer {
+	return f.factory.InformerFor(&policyv1.PodDisruptionBudget{}, f.defaultInformer)
+}
+
+func (f *podDisruptionBudgetInformer) Lister() v1.PodDisruptionBudgetLister {
+	return v1.NewPodDisruptionBudgetLister(f.Informer().GetIndexer())
+}