Golang MinikubeRunner.CheckStatus方法代码示例

func TestStartStop(t *testing.T) {

	runner := util.MinikubeRunner{
		Args:       *args,
		BinaryPath: *binaryPath,
		T:          t}
	runner.RunCommand("delete", false)
	runner.CheckStatus("Does Not Exist")

	runner.Start()
	runner.CheckStatus("Running")

	ip := runner.RunCommand("ip", true)
	ip = strings.TrimRight(ip, "\n")
	if net.ParseIP(ip) == nil {
		t.Fatalf("IP command returned an invalid address: %s", ip)
	}

	runner.RunCommand("stop", true)
	runner.CheckStatus("Stopped")

	runner.Start()
	runner.CheckStatus("Running")

	runner.RunCommand("delete", true)
	runner.CheckStatus("Does Not Exist")
}

func TestDashboard(t *testing.T) {
	minikubeRunner := util.MinikubeRunner{
		BinaryPath: *binaryPath,
		Args:       *args,
		T:          t}
	minikubeRunner.Start()
	minikubeRunner.CheckStatus("Running")
	kubectlRunner := util.NewKubectlRunner(t)

	checkDashboard := func() error {
		rc := api.ReplicationController{}
		svc := api.Service{}
		if err := kubectlRunner.RunCommandParseOutput(dashboardRcCmd, &rc); err != nil {
			return err
		}

		if err := kubectlRunner.RunCommandParseOutput(dashboardSvcCmd, &svc); err != nil {
			return err
		}

		if rc.Status.Replicas != rc.Status.FullyLabeledReplicas {
			return fmt.Errorf("Not enough pods running. Expected %s, got %s.", rc.Status.Replicas, rc.Status.FullyLabeledReplicas)
		}

		if svc.Spec.Ports[0].NodePort != 30000 {
			return fmt.Errorf("Dashboard is not exposed on port {}", svc.Spec.Ports[0].NodePort)
		}

		return nil
	}

	if err := commonutil.RetryAfter(10, checkDashboard, 5*time.Second); err != nil {
		t.Fatalf("Dashboard is unhealthy: %s", err)
	}
}

func TestPersistence(t *testing.T) {
	minikubeRunner := util.MinikubeRunner{BinaryPath: *binaryPath, T: t}
	minikubeRunner.EnsureRunning()

	kubectlRunner := util.NewKubectlRunner(t)
	podName := "busybox"
	podPath, _ := filepath.Abs("testdata/busybox.yaml")

	podNamespace := kubectlRunner.CreateRandomNamespace()
	defer kubectlRunner.DeleteNamespace(podNamespace)

	// Create a pod and wait for it to be running.
	if _, err := kubectlRunner.RunCommand([]string{"create", "-f", podPath, "--namespace=" + podNamespace}); err != nil {
		t.Fatalf("Error creating test pod: %s", err)
	}

	checkPod := func() error {
		p := kubectlRunner.GetPod(podName, podNamespace)
		if util.IsPodReady(p) {
			return nil
		}
		return fmt.Errorf("Pod %s is not ready yet.", podName)
	}

	if err := commonutil.RetryAfter(20, checkPod, 6*time.Second); err != nil {
		t.Fatalf("Error checking the status of pod %s. Err: %s", podName, err)
	}

	checkDashboard := func() error {
		pods := api.PodList{}
		cmd := []string{"get", "pods", "--namespace=kube-system", "--selector=app=kubernetes-dashboard"}
		if err := kubectlRunner.RunCommandParseOutput(cmd, &pods); err != nil {
			return err
		}
		if len(pods.Items) < 1 {
			return fmt.Errorf("No pods found matching query: %v", cmd)
		}
		db := pods.Items[0]
		if util.IsPodReady(&db) {
			return nil
		}
		return fmt.Errorf("Dashboard pod is not ready yet.")
	}

	// Make sure the dashboard is running before we stop the VM.
	// On slow networks it can take several minutes to pull the addon-manager then the dashboard image.
	if err := commonutil.RetryAfter(20, checkDashboard, 6*time.Second); err != nil {
		t.Fatalf("Dashboard pod is not healthy: %s", err)
	}

	// Now restart minikube and make sure the pod is still there.
	minikubeRunner.RunCommand("stop", true)
	minikubeRunner.CheckStatus("Stopped")

	minikubeRunner.RunCommand("start", true)
	minikubeRunner.CheckStatus("Running")

	if err := commonutil.RetryAfter(5, checkPod, 3*time.Second); err != nil {
		t.Fatalf("Error checking the status of pod %s. Err: %s", podName, err)
	}

	// Now make sure it's still running after.
	if err := commonutil.RetryAfter(5, checkDashboard, 3*time.Second); err != nil {
		t.Fatalf("Dashboard pod is not healthy: %s", err)
	}
}