"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", ""),

	// 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

	t.Helper()
	for _, node := range nodes {
		node := generateNode(node, nil)
		// add our special taint
		node.Spec.Taints = append(node.Spec.Taints, corev1.Taint{
			Key:    TaintName,
			Value:  "true",
			Effect: corev1.TaintEffectNoSchedule,
		})
		s.nc.Create(node)
	}
}

func (s *nodeTainterTestServer) addCniPod(t *testing.T, node string, markReady bool) {

		name   string
		pods   []*corev1.Pod
		nodes  []*corev1.Node
		wantAZ map[*corev1.Pod]string
	}{
		{
			name: "should return correct az for given address",
			pods: []*corev1.Pod{pod1, pod2},
			nodes: []*corev1.Node{
				generateNode("node1", map[string]string{NodeZoneLabel: "zone1", NodeRegionLabel: "region1", label.TopologySubzone.Name: "subzone1"}),

// when the given node's name is "node1"; otherwise return false.
func Node1PredicateExtender(pod *v1.Pod, node *framework.NodeInfo) *framework.Status {
	if node.Node().Name == "node1" {
		return framework.NewStatus(framework.Success)
	}
	return framework.NewStatus(framework.Unschedulable, fmt.Sprintf("node %q is not allowed", node.Node().Name))
}