247 lines
7.9 KiB
Go
247 lines
7.9 KiB
Go
package e2e
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import (
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"context"
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"flag"
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"fmt"
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"io"
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"os"
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"testing"
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"time"
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"github.com/onsi/ginkgo/v2"
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"github.com/onsi/gomega"
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corev1 "k8s.io/api/core/v1"
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apierrors "k8s.io/apimachinery/pkg/api/errors"
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"k8s.io/apimachinery/pkg/util/rand"
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"k8s.io/apimachinery/pkg/util/wait"
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"k8s.io/client-go/dynamic"
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"k8s.io/client-go/kubernetes"
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"k8s.io/client-go/rest"
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"k8s.io/client-go/tools/clientcmd"
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"sigs.k8s.io/controller-runtime/pkg/client"
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"sigs.k8s.io/kind/pkg/cluster"
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"sigs.k8s.io/kind/pkg/exec"
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clusterv1alpha1 "github.com/karmada-io/karmada/pkg/apis/cluster/v1alpha1"
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karmada "github.com/karmada-io/karmada/pkg/generated/clientset/versioned"
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"github.com/karmada-io/karmada/pkg/util"
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"github.com/karmada-io/karmada/pkg/util/gclient"
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"github.com/karmada-io/karmada/test/e2e/framework"
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"github.com/karmada-io/karmada/test/helper"
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)
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const (
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// RandomStrLength represents the random string length to combine names.
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RandomStrLength = 5
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)
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const (
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deploymentNamePrefix = "deploy-"
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serviceNamePrefix = "service-"
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podNamePrefix = "pod-"
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crdNamePrefix = "cr-"
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jobNamePrefix = "job-"
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workloadNamePrefix = "workload-"
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federatedResourceQuotaPrefix = "frq-"
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configMapNamePrefix = "configmap-"
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secretNamePrefix = "secret-"
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pvcNamePrefix = "pvc-"
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saNamePrefix = "sa-"
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ingressNamePrefix = "ingress-"
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daemonSetNamePrefix = "daemonset-"
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statefulSetNamePrefix = "statefulset-"
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roleNamePrefix = "role-"
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clusterRoleNamePrefix = "clusterrole-"
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roleBindingNamePrefix = "rolebinding-"
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clusterRoleBindingNamePrefix = "clusterrolebinding-"
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podDisruptionBudgetNamePrefix = "poddisruptionbudget-"
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federatedHPANamePrefix = "fhpa-"
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cronFedratedHPANamePrefix = "cronfhpa-"
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resourceRegistryPrefix = "rr-"
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updateDeploymentReplicas = 2
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updateStatefulSetReplicas = 2
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updateServicePort = 81
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updatePodImage = "nginx:latest"
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updateCRnamespace = "e2e-test"
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updateBackoffLimit = 3
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updateParallelism = 3
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)
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var (
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// pollInterval defines the interval time for a poll operation.
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pollInterval time.Duration
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// pollTimeout defines the time after which the poll operation times out.
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pollTimeout time.Duration
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)
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var (
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karmadaContext string
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kubeconfig string
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restConfig *rest.Config
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karmadaHost string
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kubeClient kubernetes.Interface
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karmadaClient karmada.Interface
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dynamicClient dynamic.Interface
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controlPlaneClient client.Client
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testNamespace string
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clusterProvider *cluster.Provider
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clusterLabels = map[string]string{"location": "CHN"}
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pushModeClusterLabels = map[string]string{"sync-mode": "Push"}
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)
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func init() {
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// usage ginkgo -- --poll-interval=5s --pollTimeout=5m
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// eg. ginkgo -v --race --trace --fail-fast -p --randomize-all ./test/e2e/ -- --poll-interval=5s --pollTimeout=5m
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flag.DurationVar(&pollInterval, "poll-interval", 5*time.Second, "poll-interval defines the interval time for a poll operation")
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flag.DurationVar(&pollTimeout, "poll-timeout", 300*time.Second, "poll-timeout defines the time which the poll operation times out")
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flag.StringVar(&karmadaContext, "karmada-context", karmadaContext, "Name of the cluster context in control plane kubeconfig file.")
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}
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func TestE2E(t *testing.T) {
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gomega.RegisterFailHandler(ginkgo.Fail)
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ginkgo.RunSpecs(t, "E2E Suite")
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}
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var _ = ginkgo.SynchronizedBeforeSuite(func() []byte {
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return nil
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}, func(bytes []byte) {
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kubeconfig = os.Getenv("KUBECONFIG")
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gomega.Expect(kubeconfig).ShouldNot(gomega.BeEmpty())
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clusterProvider = cluster.NewProvider()
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var err error
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restConfig, err = framework.LoadRESTClientConfig(kubeconfig, karmadaContext)
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gomega.Expect(err).ShouldNot(gomega.HaveOccurred())
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karmadaHost = restConfig.Host
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kubeClient, err = kubernetes.NewForConfig(restConfig)
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gomega.Expect(err).ShouldNot(gomega.HaveOccurred())
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karmadaClient, err = karmada.NewForConfig(restConfig)
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gomega.Expect(err).ShouldNot(gomega.HaveOccurred())
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dynamicClient, err = dynamic.NewForConfig(restConfig)
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gomega.Expect(err).ShouldNot(gomega.HaveOccurred())
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controlPlaneClient = gclient.NewForConfigOrDie(restConfig)
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framework.InitClusterInformation(karmadaClient, controlPlaneClient)
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testNamespace = fmt.Sprintf("karmadatest-%s", rand.String(RandomStrLength))
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err = setupTestNamespace(testNamespace, kubeClient)
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gomega.Expect(err).ShouldNot(gomega.HaveOccurred())
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framework.WaitNamespacePresentOnClusters(framework.ClusterNames(), testNamespace)
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})
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var _ = ginkgo.SynchronizedAfterSuite(func() {
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// cleanup all namespaces we created both in control plane and member clusters.
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// It will not return error even if there is no such namespace in there that may happen in case setup failed.
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err := cleanupTestNamespace(testNamespace, kubeClient)
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gomega.Expect(err).ShouldNot(gomega.HaveOccurred())
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}, func() {
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// cleanup clusterLabels set by the E2E test
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for _, cluster := range framework.Clusters() {
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err := deleteClusterLabel(controlPlaneClient, cluster.Name)
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gomega.Expect(err).ShouldNot(gomega.HaveOccurred())
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}
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})
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// setupTestNamespace will create a namespace in control plane and all member clusters, most of cases will run against it.
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// The reason why we need a separated namespace is it will make it easier to cleanup resources deployed by the testing.
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func setupTestNamespace(namespace string, kubeClient kubernetes.Interface) error {
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namespaceObj := helper.NewNamespace(namespace)
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_, err := util.CreateNamespace(kubeClient, namespaceObj)
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if err != nil {
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return err
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}
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return nil
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}
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// cleanupTestNamespace will remove the namespace we setup before for the whole testing.
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func cleanupTestNamespace(namespace string, kubeClient kubernetes.Interface) error {
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err := util.DeleteNamespace(kubeClient, namespace)
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if err != nil {
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return err
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}
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return nil
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}
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func createCluster(clusterName, kubeConfigPath, controlPlane, clusterContext string) error {
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err := clusterProvider.Create(clusterName, cluster.CreateWithKubeconfigPath(kubeConfigPath))
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if err != nil {
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return err
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}
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cmd := exec.Command(
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"docker", "inspect",
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"--format", "{{range .NetworkSettings.Networks}}{{.IPAddress}}{{end}}",
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controlPlane,
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)
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lines, err := exec.OutputLines(cmd)
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if err != nil {
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return err
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}
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pathOptions := clientcmd.NewDefaultPathOptions()
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pathOptions.LoadingRules.ExplicitPath = kubeConfigPath
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pathOptions.EnvVar = ""
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config, err := pathOptions.GetStartingConfig()
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if err != nil {
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return err
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}
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serverIP := fmt.Sprintf("https://%s:6443", lines[0])
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config.Clusters[clusterContext].Server = serverIP
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err = clientcmd.ModifyConfig(pathOptions, *config, true)
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if err != nil {
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return err
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}
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return nil
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}
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func deleteCluster(clusterName, kubeConfigPath string) error {
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return clusterProvider.Delete(clusterName, kubeConfigPath)
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}
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// deleteClusterLabel delete cluster label of E2E
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func deleteClusterLabel(c client.Client, clusterName string) error {
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err := wait.PollImmediate(2*time.Second, 10*time.Second, func() (done bool, err error) {
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clusterObj := &clusterv1alpha1.Cluster{}
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if err := c.Get(context.TODO(), client.ObjectKey{Name: clusterName}, clusterObj); err != nil {
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if apierrors.IsConflict(err) {
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return false, nil
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}
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return false, err
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}
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delete(clusterObj.Labels, "location")
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if err := c.Update(context.TODO(), clusterObj); err != nil {
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if apierrors.IsConflict(err) {
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return false, nil
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}
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return false, err
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}
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return true, nil
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})
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return err
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}
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func podLogs(ctx context.Context, k8s kubernetes.Interface, namespace, name string) (string, error) {
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logRequest := k8s.CoreV1().Pods(namespace).GetLogs(name, &corev1.PodLogOptions{})
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logs, err := logRequest.Stream(ctx)
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if err != nil {
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return "", err
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}
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defer logs.Close()
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data, err := io.ReadAll(logs)
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if err != nil {
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return "", err
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}
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return string(data), nil
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}
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