return make(chan error)
}

func (m MockPortForwarder) WaitForStop() {
}

var _ kube.PortForwarder = MockPortForwarder{}

type MockClient struct {
	// Results is a map of podName to the results of the expected test on the pod
	Results map[string][]byte
	kube.CLIClient
}

func (c MockClient) NewPortForwarder(_, _, _ string, _, _ int) (kube.PortForwarder, error) {
	return MockPortForwarder{}, nil
}

		},
	}

	var outBuf bytes.Buffer
	var errBuf bytes.Buffer

	for i, c := range cases {
		t.Run(fmt.Sprintf("case %d %s", i, c.version), func(t *testing.T) {
			k8sClient := kube.NewFakeClient()
			k8sClient.Kube().Discovery().(*fakediscovery.FakeDiscovery).FakedServerVersion = c.version

			logger := clog.NewConsoleLogger(&outBuf, &errBuf, nil)
			IsK8VersionSupported(k8sClient, logger)

	"istio.io/api/label"
	"istio.io/istio/istioctl/pkg/cli"
	"istio.io/istio/istioctl/pkg/clioptions"
	"istio.io/istio/istioctl/pkg/multixds"
	"istio.io/istio/istioctl/pkg/xds"
	"istio.io/istio/pkg/kube"
	"istio.io/istio/pkg/test/util/assert"
)

type execTestCase struct {
	args     []string
	revision string
	noIstiod bool

	// Typically use one of the three

		},
	}
	return cmd
}

func inferMonitoringPort(client kube.Client, name, ns string) int {
	port := 15014
	pod, err := client.Kube().CoreV1().Pods(ns).Get(context.Background(), name, metav1.GetOptions{})
	if err != nil {
		return port
	}
	return kube.FindIstiodMonitoringPort(pod)
}

// port-forward to SkyWalking UI on istio-system

		t.Run(dir.Name(), func(t *testing.T) {
			createClientFunc := func(client kube.CLIClient) {
				client.Kube().CoreV1().ServiceAccounts("bar").Create(context.Background(), &v1.ServiceAccount{
					ObjectMeta: metav1.ObjectMeta{Namespace: "bar", Name: "vm-serviceaccount"},
					Secrets:    []v1.ObjectReference{{Name: "test"}},
				}, metav1.CreateOptions{})
				client.Kube().CoreV1().ConfigMaps("bar").Create(context.Background(), &v1.ConfigMap{

// Package-wide variables from generator "generated".
option go_package = "k8s.io/api/authentication/v1alpha1";

// SelfSubjectReview contains the user information that the kube-apiserver has about the user making this request.
// When using impersonation, users will receive the user info of the user being impersonated.  If impersonation or

  - ip-mask-agent addon starts to use the label `node.kubernetes.io/masq-agent-ds-ready` instead of `beta.kubernetes.io/masq-agent-ds-ready` as its node selector.
  - kube-proxy addon starts to use the label `node.kubernetes.io/kube-proxy-ds-ready` instead of `beta.kubernetes.io/kube-proxy-ds-ready` as its node selector.

         "description": "Version number of each running instance",
         "fieldConfig": {
            "defaults": {
               "custom": {
                  "fillOpacity": 10,
                  "gradientMode": "hue",
                  "showPoints": "never"
               }
            }
         },
         "gridPos": {
            "h": 5,
            "w": 24,
            "x": 0,
            "y": 1
         },

kube-system...

```mermaid
flowchart TD
    kcg["Kubernetes client-go"]
    ic["Istio kube.Client"]
    ikc["Istio kclient.Client"]
    ikrt["Istio krt.Collection"]
    ikrt--"Builds on"-->ikc--"Builds on"-->ic--"Builds on"-->kcg
```

**`kube.Client`** is a fairly light wrapper around Kubernetes clients, but offers quite a few benefits.