ns_conditions_test.go 5.6 KB

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  1. /*
  2. Copyright 2019 The Kubernetes Authors.
  3. Licensed under the Apache License, Version 2.0 (the "License");
  4. you may not use this file except in compliance with the License.
  5. You may obtain a copy of the License at
  6. http://www.apache.org/licenses/LICENSE-2.0
  7. Unless required by applicable law or agreed to in writing, software
  8. distributed under the License is distributed on an "AS IS" BASIS,
  9. WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  10. See the License for the specific language governing permissions and
  11. limitations under the License.
  12. */
  13. package namespace
  14. import (
  15. "context"
  16. "encoding/json"
  17. "testing"
  18. "time"
  19. "github.com/davecgh/go-spew/spew"
  20. appsv1 "k8s.io/api/apps/v1"
  21. corev1 "k8s.io/api/core/v1"
  22. metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
  23. "k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
  24. "k8s.io/apimachinery/pkg/util/wait"
  25. "k8s.io/client-go/dynamic"
  26. "k8s.io/client-go/informers"
  27. clientset "k8s.io/client-go/kubernetes"
  28. "k8s.io/client-go/metadata"
  29. restclient "k8s.io/client-go/rest"
  30. "k8s.io/kubernetes/pkg/controller/namespace"
  31. "k8s.io/kubernetes/test/integration/etcd"
  32. "k8s.io/kubernetes/test/integration/framework"
  33. )
  34. func TestNamespaceCondition(t *testing.T) {
  35. closeFn, nsController, informers, kubeClient, dynamicClient := namespaceLifecycleSetup(t)
  36. defer closeFn()
  37. nsName := "test-namespace-conditions"
  38. _, err := kubeClient.CoreV1().Namespaces().Create(context.TODO(), &corev1.Namespace{
  39. ObjectMeta: metav1.ObjectMeta{
  40. Name: nsName,
  41. },
  42. }, metav1.CreateOptions{})
  43. if err != nil {
  44. t.Fatal(err)
  45. }
  46. // Start informer and controllers
  47. stopCh := make(chan struct{})
  48. defer close(stopCh)
  49. informers.Start(stopCh)
  50. go nsController.Run(5, stopCh)
  51. data := etcd.GetEtcdStorageDataForNamespace(nsName)
  52. podJSON, err := jsonToUnstructured(data[corev1.SchemeGroupVersion.WithResource("pods")].Stub, "v1", "Pod")
  53. if err != nil {
  54. t.Fatal(err)
  55. }
  56. _, err = dynamicClient.Resource(corev1.SchemeGroupVersion.WithResource("pods")).Namespace(nsName).Create(podJSON, metav1.CreateOptions{})
  57. if err != nil {
  58. t.Fatal(err)
  59. }
  60. deploymentJSON, err := jsonToUnstructured(data[appsv1.SchemeGroupVersion.WithResource("deployments")].Stub, "apps/v1", "Deployment")
  61. if err != nil {
  62. t.Fatal(err)
  63. }
  64. deploymentJSON.SetFinalizers([]string{"custom.io/finalizer"})
  65. _, err = dynamicClient.Resource(appsv1.SchemeGroupVersion.WithResource("deployments")).Namespace(nsName).Create(deploymentJSON, metav1.CreateOptions{})
  66. if err != nil {
  67. t.Fatal(err)
  68. }
  69. if err = kubeClient.CoreV1().Namespaces().Delete(context.TODO(), nsName, nil); err != nil {
  70. t.Fatal(err)
  71. }
  72. err = wait.PollImmediate(1*time.Second, 60*time.Second, func() (bool, error) {
  73. curr, err := kubeClient.CoreV1().Namespaces().Get(context.TODO(), nsName, metav1.GetOptions{})
  74. if err != nil {
  75. return false, err
  76. }
  77. conditionsFound := 0
  78. for _, condition := range curr.Status.Conditions {
  79. if condition.Type == corev1.NamespaceDeletionGVParsingFailure && condition.Message == `All legacy kube types successfully parsed` {
  80. conditionsFound++
  81. }
  82. if condition.Type == corev1.NamespaceDeletionDiscoveryFailure && condition.Message == `All resources successfully discovered` {
  83. conditionsFound++
  84. }
  85. if condition.Type == corev1.NamespaceDeletionContentFailure && condition.Message == `All content successfully deleted, may be waiting on finalization` {
  86. conditionsFound++
  87. }
  88. if condition.Type == corev1.NamespaceContentRemaining && condition.Message == `Some resources are remaining: deployments.apps has 1 resource instances` {
  89. conditionsFound++
  90. }
  91. if condition.Type == corev1.NamespaceFinalizersRemaining && condition.Message == `Some content in the namespace has finalizers remaining: custom.io/finalizer in 1 resource instances` {
  92. conditionsFound++
  93. }
  94. }
  95. t.Log(spew.Sdump(curr))
  96. return conditionsFound == 5, nil
  97. })
  98. if err != nil {
  99. t.Fatal(err)
  100. }
  101. }
  102. // JSONToUnstructured converts a JSON stub to unstructured.Unstructured and
  103. // returns a dynamic resource client that can be used to interact with it
  104. func jsonToUnstructured(stub, version, kind string) (*unstructured.Unstructured, error) {
  105. typeMetaAdder := map[string]interface{}{}
  106. if err := json.Unmarshal([]byte(stub), &typeMetaAdder); err != nil {
  107. return nil, err
  108. }
  109. // we don't require GVK on the data we provide, so we fill it in here. We could, but that seems extraneous.
  110. typeMetaAdder["apiVersion"] = version
  111. typeMetaAdder["kind"] = kind
  112. return &unstructured.Unstructured{Object: typeMetaAdder}, nil
  113. }
  114. func namespaceLifecycleSetup(t *testing.T) (framework.CloseFunc, *namespace.NamespaceController, informers.SharedInformerFactory, clientset.Interface, dynamic.Interface) {
  115. masterConfig := framework.NewIntegrationTestMasterConfig()
  116. _, s, closeFn := framework.RunAMaster(masterConfig)
  117. config := restclient.Config{Host: s.URL}
  118. config.QPS = 10000
  119. config.Burst = 10000
  120. clientSet, err := clientset.NewForConfig(&config)
  121. if err != nil {
  122. t.Fatalf("error in create clientset: %v", err)
  123. }
  124. resyncPeriod := 12 * time.Hour
  125. informers := informers.NewSharedInformerFactory(clientset.NewForConfigOrDie(restclient.AddUserAgent(&config, "deployment-informers")), resyncPeriod)
  126. metadataClient, err := metadata.NewForConfig(&config)
  127. if err != nil {
  128. panic(err)
  129. }
  130. discoverResourcesFn := clientSet.Discovery().ServerPreferredNamespacedResources
  131. controller := namespace.NewNamespaceController(
  132. clientSet,
  133. metadataClient,
  134. discoverResourcesFn,
  135. informers.Core().V1().Namespaces(),
  136. 10*time.Hour,
  137. corev1.FinalizerKubernetes)
  138. if err != nil {
  139. t.Fatalf("error creating Deployment controller: %v", err)
  140. }
  141. return closeFn, controller, informers, clientSet, dynamic.NewForConfigOrDie(&config)
  142. }