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How to use WaitForPodsReady method of k8sclient Package

Best Testkube code snippet using k8sclient.WaitForPodsReady

k8sclient.go

Source:k8sclient.go

...145		}146		return true, nil147	}148}149// WaitForPodsReady wait for pods to be running with a timeout, return error150func WaitForPodsReady(k8sClient kubernetes.Interface, namespace string, instance string, timeout time.Duration) error {151	pods, err := k8sClient.CoreV1().Pods(namespace).List(context.TODO(), metav1.ListOptions{LabelSelector: "app.kubernetes.io/instance=" + instance})152	if err != nil {153		return err154	}155	for _, pod := range pods.Items {156		if err := wait.PollImmediate(time.Second, timeout, IsPodRunning(k8sClient, pod.Name, namespace)); err != nil {157			return err158		}159		if err := wait.PollImmediate(time.Second, timeout, IsPodReady(k8sClient, pod.Name, namespace)); err != nil {160			return err161		}162	}163	return nil164}...

sync_test.go

Source:sync_test.go

...58			ns, client, deleteNs := SetupNamespace(t)59			defer deleteNs()60			stop := skaffold.Dev("--trigger", test.trigger).InDir("testdata/file-sync").WithConfig(test.config).InNs(ns.Name).RunBackground(t)61			defer stop()62			client.WaitForPodsReady("test-file-sync")63			ioutil.WriteFile("testdata/file-sync/foo", []byte("foo"), 0644)64			defer func() { os.Truncate("testdata/file-sync/foo", 0) }()65			err := wait.PollImmediate(time.Millisecond*500, 1*time.Minute, func() (bool, error) {66				out, _ := exec.Command("kubectl", "exec", "test-file-sync", "-n", ns.Name, "--", "cat", "foo").Output()67				return string(out) == "foo", nil68			})69			testutil.CheckError(t, false, err)70		})71	}72}73func TestDevSyncAPITrigger(t *testing.T) {74	if testing.Short() {75		t.Skip("skipping integration test")76	}77	if ShouldRunGCPOnlyTests() {78		t.Skip("skipping test that is not gcp only")79	}80	ns, k8sclient, deleteNs := SetupNamespace(t)81	defer deleteNs()82	skaffold.Build().InDir("testdata/file-sync").WithConfig("skaffold-manual.yaml").InNs(ns.Name).RunOrFail(t)83	rpcAddr := randomPort()84	client, shutdown := setupRPCClient(t, rpcAddr)85	defer shutdown()86	stop := skaffold.Dev("--auto-sync=false", "--rpc-port", rpcAddr).InDir("testdata/file-sync").WithConfig("skaffold-manual.yaml").InNs(ns.Name).RunBackground(t)87	defer stop()88	k8sclient.WaitForPodsReady("test-file-sync")89	ioutil.WriteFile("testdata/file-sync/foo", []byte("foo"), 0644)90	defer func() { os.Truncate("testdata/file-sync/foo", 0) }()91	client.Execute(context.Background(), &proto.UserIntentRequest{92		Intent: &proto.Intent{93			Sync: true,94		},95	})96	err := wait.PollImmediate(time.Millisecond*500, 1*time.Minute, func() (bool, error) {97		out, _ := exec.Command("kubectl", "exec", "test-file-sync", "-n", ns.Name, "--", "cat", "foo").Output()98		return string(out) == "foo", nil99	})100	testutil.CheckError(t, false, err)101}...

WaitForPodsReady

Using AI Code Generation

1import (2func main() {3	kubeconfigPath := filepath.Join(homedir.HomeDir(), ".kube", "config")4	config, err := clientcmd.BuildConfigFromFlags("", kubeconfigPath)5	if err != nil {6		config, err = rest.InClusterConfig()7		if err != nil {8			log.Fatal(err)9		}10	}11	clientset, err := kubernetes.NewForConfig(config)12	if err != nil {13		log.Fatal(err)14	}

WaitForPodsReady

Using AI Code Generation

1import (2func main() {3	if home := homedir.HomeDir(); home != "" {4		kubeconfig = flag.String("kubeconfig", filepath.Join(home, ".kube", "config"), "(optional) absolute path to the kubeconfig file")5	} else {6		kubeconfig = flag.String("kubeconfig", "", "absolute path to the kubeconfig file")7	}8	flag.Parse()9	config, err := clientcmd.BuildConfigFromFlags("", *kubeconfig)10	if err != nil {11		panic(err.Error())12	}13	clientset, err := kubernetes.NewForConfig(config)14	if err != nil {15		panic(err.Error())16	}17	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)18	defer cancel()19	pods, err := clientset.CoreV1().Pods("").List(ctx, metav1.ListOptions{})20	if err != nil {21		panic(err.Error())22	}23	fmt.Printf("There are %d pods in the cluster24", len(pods.Items))25	pods, err := clientset.CoreV1().Pods("").List(ctx, metav1.ListOptions{})26	if err != nil {27		panic(err.Error())28	}29	fmt.Printf("There are %d pods in the cluster30", len(pods.Items))31	pods, err := clientset.CoreV1().Pods("").List(ctx, metav1.ListOptions{})32	if err != nil {33		panic(err.Error())34	}35	fmt.Printf("There are %d pods in the cluster36", len(pods.Items))37}

WaitForPodsReady

Using AI Code Generation

1import (2func main() {3	var (4	flag.Parse()5	c, err := client.New(&client.Config{Host: *host, Version: "v1beta1"})6	if err != nil {7		panic(err)8	}9	pods, err := c.Pods(api.NamespaceDefault).List(labels.Everything(), fields.Everything())10	if err != nil {11		panic(err)12	}13	fmt.Printf("There are %v pods in the cluster14", len(pods.Items))15	pods, err = c.Pods(api.NamespaceDefault).List(labels.Set{"name": "redis-master"}.AsSelector(), fields.Everything())16	if err != nil {17		panic(err)18	}19	fmt.Printf("There are %v pods with labels \"name\"=\"redis-master\" in the cluster20", len(pods.Items))21	pods, err = c.Pods(api.NamespaceDefault).List(labels.Set{"name": "redis-master", "name": "redis-slave"}.AsSelector(), fields.Everything())22	if err != nil {23		panic(err)24	}25	fmt.Printf("There are %v pods with labels \"name\"=\"redis-master\" and \"name\"=\"redis-slave\" in the cluster26", len(pods.Items))27	pods, err = c.Pods(api.NamespaceDefault).List(labels.Set{"name": "redis-master"}.AsSelector().Add(labels.Set{"name": "redis-slave"}.AsSelector()), fields.Everything())28	if err != nil {29		panic(err)30	}31	fmt.Printf("There are %v pods with labels \"name\"=\"redis-master\" or \"name\"=\"redis-slave\" in the cluster32", len(pods.Items))

WaitForPodsReady

Using AI Code Generation

1import (2func main() {3	ctx := context.Background()4	k, err := k8sclient.NewClient(ctx)5	if err != nil {6		fmt.Println(err)7	}8	err = k.WaitForPodsReady(ctx, namespace, podName, timeout)9	if err != nil {10		fmt.Println(err)11	}12}13import (14func main() {15	ctx := context.Background()16	k, err := k8sclient.NewClient(ctx)17	if err != nil {18		fmt.Println(err)19	}20	err = k.WaitForPodsReady(ctx, namespace, podName, timeout)21	if err != nil {22		fmt.Println(err)23	}24}25import (26func main() {27	ctx := context.Background()28	k, err := k8sclient.NewClient(ctx)29	if err != nil {30		fmt.Println(err)31	}32	err = k.WaitForPodsReady(ctx, namespace, podName

WaitForPodsReady

Using AI Code Generation

1func (k *k8sclient) WaitForPodsReady(namespace string, selector string, timeout time.Duration) error {2    return k.waitForPods(namespace, selector, timeout, true)3}4func (k *k8sclient) WaitForPodsNotReady(namespace string, selector string, timeout time.Duration) error {5    return k.waitForPods(namespace, selector, timeout, false)6}7func (k *k8sclient) waitForPods(namespace string, selector string, timeout time.Duration, ready bool) error {8    return wait.PollImmediate(time.Second, timeout, func() (bool, error) {9        pods, err := k.GetPods(namespace, selector)10        if err != nil {11        }12        for _, pod := range pods {13            if ready && !isPodReady(pod) {14            }15            if !ready && isPodReady(pod) {16            }17        }18    })19}20func isPodReady(pod *v1.Pod) bool {21    for _, cond := range pod.Status.Conditions {22        if cond.Type == v1.PodReady {23        }24    }25}26func (k *k8sclient) GetPods(namespace string, selector string) ([]*v1.Pod, error) {27    podList, err := k.clientset.CoreV1().Pods(namespace).List(metav1.ListOptions{

WaitForPodsReady

Using AI Code Generation

1func main() {2    k8sClient := k8sclient.NewK8sClient()3    wg.Add(1)4    go k8sClient.WaitForPodsReady(&wg)5    wg.Wait()6}7func (k *K8sClient) WaitForPodsReady(wg *sync.WaitGroup) {8    k8sClient.WaitForPodsReady(wg)9    k8sClient.WaitForPodsReady(wg)10    k8sClient.WaitForPodsReady(wg)11    k8sClient.WaitForPodsReady(wg)12    k8sClient.WaitForPodsReady(wg)13    k8sClient.WaitForPodsReady(wg)14    k8sClient.WaitForPodsReady(wg)15    k8sClient.WaitForPodsReady(wg)16}17func (k *K8sClient) WaitForPodsReady(wg *sync.WaitGroup) {18    time.Sleep(10 * time.Second)19    wg.Done()20}

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