*/

package rest

import (
	nodev1 "k8s.io/api/node/v1"
	"k8s.io/apiserver/pkg/registry/generic"
	"k8s.io/apiserver/pkg/registry/rest"
	genericapiserver "k8s.io/apiserver/pkg/server"
	serverstorage "k8s.io/apiserver/pkg/server/storage"
	"k8s.io/kubernetes/pkg/api/legacyscheme"
	nodeinternal "k8s.io/kubernetes/pkg/apis/node"
	runtimeclassstorage "k8s.io/kubernetes/pkg/registry/node/runtimeclass/storage"
)

	return func() {
		close(stopCh)
	}
}

// NewRuntimeClass is a helper to generate a RuntimeClass resource with
// the given name & handler.
func NewRuntimeClass(name, handler string) *nodev1.RuntimeClass {
	return &nodev1.RuntimeClass{
		ObjectMeta: metav1.ObjectMeta{
			Name: name,
		},
		Handler: handler,
	}

	"k8s.io/client-go/informers"
	"k8s.io/client-go/kubernetes"
	nodev1client "k8s.io/client-go/kubernetes/typed/node/v1"
	nodev1listers "k8s.io/client-go/listers/node/v1"
	api "k8s.io/kubernetes/pkg/apis/core"
	node "k8s.io/kubernetes/pkg/apis/node"
	apinodev1 "k8s.io/kubernetes/pkg/apis/node/v1"
	"k8s.io/kubernetes/pkg/util/tolerations"
)

// PluginName indicates name of admission plugin.

	networkingv1 "k8s.io/api/networking/v1"
	networkingv1alpha1 "k8s.io/api/networking/v1alpha1"
	networkingv1beta1 "k8s.io/api/networking/v1beta1"
	nodev1 "k8s.io/api/node/v1"
	nodev1alpha1 "k8s.io/api/node/v1alpha1"
	nodev1beta1 "k8s.io/api/node/v1beta1"
	policyv1 "k8s.io/api/policy/v1"
	policyv1beta1 "k8s.io/api/policy/v1beta1"
	rbacv1 "k8s.io/api/rbac/v1"
	rbacv1alpha1 "k8s.io/api/rbac/v1alpha1"

  "k8s.io/api/networking/v1": "networkingv1",
  "k8s.io/api/networking/v1beta1": "networkingv1beta1",
  "k8s.io/api/networking/v1alpha1": "networkingv1alpha1",
  "k8s.io/api/node/v1alpha1": "nodev1alpha1",
  "k8s.io/api/node/v1beta1": "nodev1beta1",
  "k8s.io/api/node/v1": "nodev1",
  "k8s.io/api/policy/v1": "policyv1",
  "k8s.io/api/policy/v1beta1": "policyv1beta1",
  "k8s.io/api/rbac/v1": "rbacv1",
  "k8s.io/api/rbac/v1alpha1": "rbacv1alpha1",

	apiv1 "k8s.io/api/core/v1"
	discoveryv1 "k8s.io/api/discovery/v1"
	eventsv1 "k8s.io/api/events/v1"
	networkingapiv1 "k8s.io/api/networking/v1"
	networkingapiv1alpha1 "k8s.io/api/networking/v1alpha1"
	nodev1 "k8s.io/api/node/v1"
	policyapiv1 "k8s.io/api/policy/v1"
	rbacv1 "k8s.io/api/rbac/v1"
	resourcev1alpha2 "k8s.io/api/resource/v1alpha2"
	schedulingapiv1 "k8s.io/api/scheduling/v1"
	storageapiv1 "k8s.io/api/storage/v1"

			Volumes: []corev1.Volume{
				{VolumeSource: corev1.VolumeSource{Secret: &corev1.SecretVolumeSource{SecretName: "node1-only"}}},
				{VolumeSource: corev1.VolumeSource{Secret: &corev1.SecretVolumeSource{SecretName: "node1-node2-only"}}},
				{VolumeSource: corev1.VolumeSource{Secret: &corev1.SecretVolumeSource{SecretName: "shared-all"}}},
			},
		},
	})
	g.AddPod(&corev1.Pod{

	testCases := []struct {
		description  string
		pods         []corev1.Pod
		prevPod      *corev1.Pod
		newPod       *corev1.Pod
		oldNode      *corev1.Node
		newNode      *corev1.Node
		expectPatch  bool
		expectDelete bool
	}{
		{
			description: "existing pod2 scheduled onto tainted Node",
			pods: []corev1.Pod{
				*testutil.NewPod("pod1", "node1"),
			},
			prevPod:      testutil.NewPod("pod2", ""),

	}

	err := wait.ExponentialBackoff(backoff, func() (bool, error) {
		node, err := client.CoreV1().Nodes().Get(context.TODO(), name, metav1.GetOptions{})
		if err != nil {
			klog.Errorf("Failed to retrieve node info: %v", err)
			return false, nil
		}
		nodeIP, err = GetNodeHostIP(node)
		if err != nil {
			klog.Errorf("Failed to retrieve node IP: %v", err)
			return false, err
		}
		return true, nil
	})

	// nodes objects
	node1         = makeNode("node1").withLabel(nodeLabelKey, "node1").Node
	node2         = makeNode("node2").withLabel(nodeLabelKey, "node2").Node
	node1NoLabels = makeNode("node1").Node
	node1Zone1    = makeNode("node1").withLabel("topology.gke.io/zone", "us-east-1").Node
	node1Zone2    = makeNode("node1").withLabel("topology.gke.io/zone", "us-east-2").Node

	// csiNode objects