mirror of
https://github.com/k3s-io/kubernetes.git
synced 2025-07-21 10:51:29 +00:00
Update to include watch tooling
This commit is contained in:
Caleb Woodbine
parent
d7d9ebf482
commit
209c05546a
@ -32,9 +32,10 @@ import (
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"k8s.io/apimachinery/pkg/types"
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"k8s.io/apimachinery/pkg/util/uuid"
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"k8s.io/apimachinery/pkg/util/wait"
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watch "k8s.io/apimachinery/pkg/watch"
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"k8s.io/client-go/dynamic"
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clientset "k8s.io/client-go/kubernetes"
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watchtools "k8s.io/client-go/tools/watch"
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watch "k8s.io/apimachinery/pkg/watch"
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"k8s.io/kubernetes/pkg/controller/replication"
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"k8s.io/kubernetes/test/e2e/framework"
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e2epod "k8s.io/kubernetes/test/e2e/framework/pod"
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@ -104,6 +105,14 @@ var _ = SIGDescribe("ReplicationController", func() {
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testRcInitialReplicaCount := int32(1)
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testRcMaxReplicaCount := int32(2)
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rcResource := schema.GroupVersionResource{Group: "", Version: "v1", Resource: "replicationcontrollers"}
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expectedWatchEvents := []watch.Event{
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{Type: watch.Added},
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{Type: watch.Modified},
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{Type: watch.Modified},
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{Type: watch.Modified},
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{Type: watch.Modified},
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{Type: watch.Deleted},
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}
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rcTest := v1.ReplicationController{
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ObjectMeta: metav1.ObjectMeta{
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@ -128,199 +137,247 @@ var _ = SIGDescribe("ReplicationController", func() {
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},
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}
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ginkgo.By("creating a ReplicationController")
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// Create a ReplicationController
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_, err := f.ClientSet.CoreV1().ReplicationControllers(testRcNamespace).Create(context.TODO(), &rcTest, metav1.CreateOptions{})
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framework.ExpectNoError(err, "Failed to create ReplicationController")
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framework.WatchEventSequenceVerifier(context.TODO(), dc, rcResource, testRcNamespace, testRcName, metav1.ListOptions{LabelSelector: "test-rc-static=true"}, expectedWatchEvents, func(retryWatcher *watchtools.RetryWatcher) (actualWatchEvents []watch.Event) {
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ginkgo.By("creating a ReplicationController")
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// Create a ReplicationController
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_, err := f.ClientSet.CoreV1().ReplicationControllers(testRcNamespace).Create(context.TODO(), &rcTest, metav1.CreateOptions{})
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framework.ExpectNoError(err, "Failed to create ReplicationController")
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// setup a watch for the RC
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rcWatchTimeoutSeconds := int64(180)
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rcWatch, err := f.ClientSet.CoreV1().ReplicationControllers(testRcNamespace).Watch(context.TODO(), metav1.ListOptions{LabelSelector: "test-rc-static=true", TimeoutSeconds: &rcWatchTimeoutSeconds})
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framework.ExpectNoError(err, "Failed to setup watch on newly created ReplicationController")
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rcWatchChan := rcWatch.ResultChan()
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ginkgo.By("waiting for RC to be added")
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eventFound := false
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for watchEvent := range rcWatchChan {
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if watchEvent.Type == watch.Added {
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ginkgo.By("waiting for RC to be added")
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eventFound := false
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ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
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defer cancel()
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_, err = framework.WatchUntilWithoutRetry(ctx, retryWatcher, func(watchEvent watch.Event) (bool, error) {
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if watchEvent.Type != watch.Added {
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return false, nil
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}
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actualWatchEvents = append(actualWatchEvents, watchEvent)
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eventFound = true
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break
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}
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}
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framework.ExpectEqual(eventFound, true, "failed to find RC %v event", watch.Added)
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return true, nil
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})
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framework.ExpectNoError(err, "Wait until condition with watch events should not return an error")
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framework.ExpectEqual(eventFound, true, "failed to find RC %v event", watch.Added)
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ginkgo.By("waiting for available Replicas")
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eventFound = false
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for watchEvent := range rcWatchChan {
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rc, ok := watchEvent.Object.(*v1.ReplicationController)
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framework.ExpectEqual(ok, true, "Unable to convert type of ReplicationController watch watchEvent")
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if rc.Status.Replicas == testRcInitialReplicaCount && rc.Status.ReadyReplicas == testRcInitialReplicaCount {
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ginkgo.By("waiting for available Replicas")
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eventFound = false
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ctx, cancel = context.WithTimeout(context.Background(), 30*time.Second)
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defer cancel()
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_, err = framework.WatchUntilWithoutRetry(ctx, retryWatcher, func(watchEvent watch.Event) (bool, error) {
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var rc *v1.ReplicationController
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rcBytes, err := json.Marshal(watchEvent.Object)
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if err != nil {
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return false, err
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}
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err = json.Unmarshal(rcBytes, &rc)
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if err != nil {
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return false, err
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}
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if rc.Status.Replicas != testRcInitialReplicaCount || rc.Status.ReadyReplicas != testRcInitialReplicaCount {
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return false, nil
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}
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eventFound = true
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break
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}
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}
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framework.ExpectEqual(eventFound, true, "failed to find event with initial replica count")
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return true, nil
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})
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framework.ExpectNoError(err, "Wait for condition with watch events should not return an error")
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framework.ExpectEqual(eventFound, true, "RC has not reached ReadyReplicas count of %v", testRcInitialReplicaCount)
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rcLabelPatchPayload, err := json.Marshal(v1.ReplicationController{
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ObjectMeta: metav1.ObjectMeta{
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Labels: map[string]string{"test-rc": "patched"},
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},
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rcLabelPatchPayload, err := json.Marshal(v1.ReplicationController{
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ObjectMeta: metav1.ObjectMeta{
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Labels: map[string]string{"test-rc": "patched"},
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},
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})
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framework.ExpectNoError(err, "failed to marshal json of replicationcontroller label patch")
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// Patch the ReplicationController
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ginkgo.By("patching ReplicationController")
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testRcPatched, err := f.ClientSet.CoreV1().ReplicationControllers(testRcNamespace).Patch(context.TODO(), testRcName, types.StrategicMergePatchType, []byte(rcLabelPatchPayload), metav1.PatchOptions{})
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framework.ExpectNoError(err, "Failed to patch ReplicationController")
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framework.ExpectEqual(testRcPatched.ObjectMeta.Labels["test-rc"], "patched", "failed to patch RC")
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ginkgo.By("waiting for RC to be modified")
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eventFound = false
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ctx, cancel = context.WithTimeout(context.Background(), 30*time.Second)
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defer cancel()
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_, err = framework.WatchUntilWithoutRetry(ctx, retryWatcher, func(watchEvent watch.Event) (bool, error) {
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if watchEvent.Type != watch.Modified {
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return false, nil
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}
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actualWatchEvents = append(actualWatchEvents, watchEvent)
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eventFound = true
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return true, nil
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})
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framework.ExpectNoError(err, "Wait until condition with watch events should not return an error")
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framework.ExpectEqual(eventFound, true, "failed to find RC %v event", watch.Added)
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rcStatusPatchPayload, err := json.Marshal(map[string]interface{}{
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"status": map[string]interface{}{
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"readyReplicas": 0,
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"availableReplicas": 0,
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},
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})
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framework.ExpectNoError(err, "Failed to marshal JSON of ReplicationController label patch")
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// Patch the ReplicationController's status
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ginkgo.By("patching ReplicationController status")
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rcStatus, err := f.ClientSet.CoreV1().ReplicationControllers(testRcNamespace).Patch(context.TODO(), testRcName, types.StrategicMergePatchType, []byte(rcStatusPatchPayload), metav1.PatchOptions{}, "status")
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framework.ExpectNoError(err, "Failed to patch ReplicationControllerStatus")
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framework.ExpectEqual(rcStatus.Status.ReadyReplicas, int32(0), "ReplicationControllerStatus's readyReplicas does not equal 0")
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ginkgo.By("waiting for RC to be modified")
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eventFound = false
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ctx, cancel = context.WithTimeout(context.Background(), 30*time.Second)
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defer cancel()
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_, err = framework.WatchUntilWithoutRetry(ctx, retryWatcher, func(watchEvent watch.Event) (bool, error) {
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if watchEvent.Type != watch.Modified {
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return false, nil
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}
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actualWatchEvents = append(actualWatchEvents, watchEvent)
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eventFound = true
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return true, nil
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})
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framework.ExpectNoError(err, "Wait until condition with watch events should not return an error")
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framework.ExpectEqual(eventFound, true, "failed to find RC %v event", watch.Added)
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ginkgo.By("waiting for available Replicas")
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_, err = framework.WatchUntilWithoutRetry(context.TODO(), retryWatcher, func(watchEvent watch.Event) (bool, error) {
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var rc *v1.ReplicationController
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rcBytes, err := json.Marshal(watchEvent.Object)
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if err != nil {
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return false, err
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}
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err = json.Unmarshal(rcBytes, &rc)
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if err != nil {
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return false, err
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}
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if rc.Status.Replicas != testRcInitialReplicaCount {
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return false, nil
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}
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return true, nil
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})
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framework.ExpectEqual(eventFound, true, "Failed to find updated ready replica count")
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ginkgo.By("fetching ReplicationController status")
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rcStatusUnstructured, err := dc.Resource(rcResource).Namespace(testRcNamespace).Get(context.TODO(), testRcName, metav1.GetOptions{}, "status")
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framework.ExpectNoError(err, "Failed to fetch ReplicationControllerStatus")
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rcStatusUjson, err := json.Marshal(rcStatusUnstructured)
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framework.ExpectNoError(err, "Failed to marshal json of replicationcontroller label patch")
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json.Unmarshal(rcStatusUjson, &rcStatus)
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framework.ExpectEqual(rcStatus.Status.Replicas, testRcInitialReplicaCount, "ReplicationController ReplicaSet cound does not match initial Replica count")
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rcScalePatchPayload, err := json.Marshal(autoscalingv1.Scale{
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Spec: autoscalingv1.ScaleSpec{
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Replicas: testRcMaxReplicaCount,
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},
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})
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framework.ExpectNoError(err, "Failed to marshal json of replicationcontroller label patch")
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// Patch the ReplicationController's scale
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ginkgo.By("patching ReplicationController scale")
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_, err = f.ClientSet.CoreV1().ReplicationControllers(testRcNamespace).Patch(context.TODO(), testRcName, types.StrategicMergePatchType, []byte(rcScalePatchPayload), metav1.PatchOptions{}, "scale")
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framework.ExpectNoError(err, "Failed to patch ReplicationControllerScale")
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ginkgo.By("waiting for RC to be modified")
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eventFound = false
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ctx, cancel = context.WithTimeout(context.Background(), 30*time.Second)
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defer cancel()
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_, err = framework.WatchUntilWithoutRetry(ctx, retryWatcher, func(watchEvent watch.Event) (bool, error) {
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if watchEvent.Type != watch.Modified {
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return false, nil
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}
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actualWatchEvents = append(actualWatchEvents, watchEvent)
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eventFound = true
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return true, nil
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})
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framework.ExpectNoError(err, "Wait until condition with watch events should not return an error")
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framework.ExpectEqual(eventFound, true, "failed to find RC %v event", watch.Added)
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ginkgo.By("waiting for ReplicationController's scale to be the max amount")
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eventFound = false
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_, err = framework.WatchUntilWithoutRetry(context.TODO(), retryWatcher, func(watchEvent watch.Event) (bool, error) {
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var rc *v1.ReplicationController
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rcBytes, err := json.Marshal(watchEvent.Object)
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if err != nil {
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return false, err
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}
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err = json.Unmarshal(rcBytes, &rc)
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if err != nil {
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return false, err
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}
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if rc.ObjectMeta.Name != testRcName || rc.ObjectMeta.Namespace != testRcNamespace || rc.Status.Replicas != testRcMaxReplicaCount || rc.Status.ReadyReplicas != testRcMaxReplicaCount {
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return false, nil
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}
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eventFound = true
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return true, nil
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})
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framework.ExpectNoError(err, "Wait until condition with watch events should not return an error")
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framework.ExpectEqual(eventFound, true, "Failed to find updated ready replica count")
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// Get the ReplicationController
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ginkgo.By("fetching ReplicationController; ensuring that it's patched")
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rc, err := f.ClientSet.CoreV1().ReplicationControllers(testRcNamespace).Get(context.TODO(), testRcName, metav1.GetOptions{})
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framework.ExpectNoError(err, "failed to fetch ReplicationController")
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framework.ExpectEqual(rc.ObjectMeta.Labels["test-rc"], "patched", "ReplicationController is missing a label from earlier patch")
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rcStatusUpdatePayload := rc
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rcStatusUpdatePayload.Status.AvailableReplicas = 1
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rcStatusUpdatePayload.Status.ReadyReplicas = 1
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// Replace the ReplicationController's status
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ginkgo.By("updating ReplicationController status")
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_, err = f.ClientSet.CoreV1().ReplicationControllers(testRcNamespace).UpdateStatus(context.TODO(), rcStatusUpdatePayload, metav1.UpdateOptions{})
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framework.ExpectNoError(err, "failed to update ReplicationControllerStatus")
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ginkgo.By("waiting for RC to be modified")
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eventFound = false
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ctx, cancel = context.WithTimeout(context.Background(), 30*time.Second)
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defer cancel()
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_, err = framework.WatchUntilWithoutRetry(ctx, retryWatcher, func(watchEvent watch.Event) (bool, error) {
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if watchEvent.Type != watch.Modified {
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return false, nil
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}
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actualWatchEvents = append(actualWatchEvents, watchEvent)
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eventFound = true
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return true, nil
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})
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framework.ExpectNoError(err, "Wait until condition with watch events should not return an error")
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framework.ExpectEqual(eventFound, true, "failed to find RC %v event", watch.Added)
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ginkgo.By("listing all ReplicationControllers")
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rcs, err := f.ClientSet.CoreV1().ReplicationControllers("").List(context.TODO(), metav1.ListOptions{LabelSelector: "test-rc-static=true"})
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framework.ExpectNoError(err, "failed to list ReplicationController")
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framework.ExpectEqual(len(rcs.Items) > 0, true)
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ginkgo.By("checking that ReplicationController has expected values")
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foundRc := false
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for _, rcItem := range rcs.Items {
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if rcItem.ObjectMeta.Name == testRcName &&
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rcItem.ObjectMeta.Namespace == testRcNamespace &&
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rcItem.ObjectMeta.Labels["test-rc-static"] == "true" &&
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rcItem.ObjectMeta.Labels["test-rc"] == "patched" {
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foundRc = true
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}
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}
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framework.ExpectEqual(foundRc, true)
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// Delete ReplicationController
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ginkgo.By("deleting ReplicationControllers by collection")
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err = f.ClientSet.CoreV1().ReplicationControllers(testRcNamespace).DeleteCollection(context.TODO(), metav1.DeleteOptions{}, metav1.ListOptions{LabelSelector: "test-rc-static=true"})
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framework.ExpectNoError(err, "Failed to delete ReplicationControllers")
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ginkgo.By("waiting for ReplicationController to have a DELETED watchEvent")
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eventFound = false
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ctx, cancel = context.WithTimeout(context.Background(), 30*time.Second)
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defer cancel()
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_, err = framework.WatchUntilWithoutRetry(ctx, retryWatcher, func(watchEvent watch.Event) (bool, error) {
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if watchEvent.Type != watch.Deleted {
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return false, nil
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}
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actualWatchEvents = append(actualWatchEvents, watchEvent)
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eventFound = true
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return true, nil
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})
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framework.ExpectNoError(err, "Wait until condition with watch events should not return an error")
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framework.ExpectEqual(eventFound, true, "failed to find RC %v event", watch.Added)
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return actualWatchEvents
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})
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framework.ExpectNoError(err, "failed to marshal json of replicationcontroller label patch")
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// Patch the ReplicationController
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ginkgo.By("patching ReplicationController")
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testRcPatched, err := f.ClientSet.CoreV1().ReplicationControllers(testRcNamespace).Patch(context.TODO(), testRcName, types.StrategicMergePatchType, []byte(rcLabelPatchPayload), metav1.PatchOptions{})
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framework.ExpectNoError(err, "Failed to patch ReplicationController")
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framework.ExpectEqual(testRcPatched.ObjectMeta.Labels["test-rc"], "patched", "failed to patch RC")
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ginkgo.By("waiting for RC to be modified")
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eventFound = false
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for watchEvent := range rcWatchChan {
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if watchEvent.Type == watch.Modified {
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eventFound = true
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break
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}
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}
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framework.ExpectEqual(eventFound, true, "failed to find RC %v event", watch.Modified)
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rcStatusPatchPayload, err := json.Marshal(map[string]interface{}{
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"status": map[string]interface{}{
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"readyReplicas": 0,
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"availableReplicas": 0,
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},
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})
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framework.ExpectNoError(err, "Failed to marshal JSON of ReplicationController label patch")
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// Patch the ReplicationController's status
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ginkgo.By("patching ReplicationController status")
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rcStatus, err := f.ClientSet.CoreV1().ReplicationControllers(testRcNamespace).Patch(context.TODO(), testRcName, types.StrategicMergePatchType, []byte(rcStatusPatchPayload), metav1.PatchOptions{}, "status")
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framework.ExpectNoError(err, "Failed to patch ReplicationControllerStatus")
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framework.ExpectEqual(rcStatus.Status.ReadyReplicas, int32(0), "ReplicationControllerStatus's readyReplicas does not equal 0")
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ginkgo.By("waiting for RC to be modified")
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eventFound = false
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for watchEvent := range rcWatchChan {
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if watchEvent.Type == watch.Modified {
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eventFound = true
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break
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}
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}
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framework.ExpectEqual(eventFound, true, "failed to find RC %v event", watch.Modified)
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eventFound = false
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for watchEvent := range rcWatchChan {
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rc, ok := watchEvent.Object.(*v1.ReplicationController)
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framework.ExpectEqual(ok, true, "Unable to convert type of ReplicationController watch watchEvent")
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if rc.Status.Replicas == testRcInitialReplicaCount {
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eventFound = true
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break
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}
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}
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framework.ExpectEqual(eventFound, true, "RC does not have initial replica count")
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ginkgo.By("fetching ReplicationController status")
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rcStatusUnstructured, err := dc.Resource(rcResource).Namespace(testRcNamespace).Get(context.TODO(), testRcName, metav1.GetOptions{}, "status")
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framework.ExpectNoError(err, "Failed to fetch ReplicationControllerStatus")
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rcStatusUjson, err := json.Marshal(rcStatusUnstructured)
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framework.ExpectNoError(err, "Failed to marshal json of replicationcontroller label patch")
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json.Unmarshal(rcStatusUjson, &rcStatus)
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framework.ExpectEqual(rcStatus.Status.Replicas, testRcInitialReplicaCount, "ReplicationController ReplicaSet cound does not match initial Replica count")
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rcScalePatchPayload, err := json.Marshal(autoscalingv1.Scale{
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Spec: autoscalingv1.ScaleSpec{
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Replicas: testRcMaxReplicaCount,
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},
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})
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framework.ExpectNoError(err, "Failed to marshal json of replicationcontroller label patch")
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// Patch the ReplicationController's scale
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ginkgo.By("patching ReplicationController scale")
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_, err = f.ClientSet.CoreV1().ReplicationControllers(testRcNamespace).Patch(context.TODO(), testRcName, types.StrategicMergePatchType, []byte(rcScalePatchPayload), metav1.PatchOptions{}, "scale")
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framework.ExpectNoError(err, "Failed to patch ReplicationControllerScale")
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ginkgo.By("waiting for RC to be modified")
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eventFound = false
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for watchEvent := range rcWatchChan {
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if watchEvent.Type == watch.Modified {
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eventFound = true
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break
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}
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}
|
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framework.ExpectEqual(eventFound, true, "failed to find RC %v event", watch.Modified)
|
||||
|
||||
var rcFromWatch *v1.ReplicationController
|
||||
ginkgo.By("waiting for ReplicationController's scale to be the max amount")
|
||||
foundRcWithMaxScale := false
|
||||
for watchEvent := range rcWatchChan {
|
||||
rc, ok := watchEvent.Object.(*v1.ReplicationController)
|
||||
framework.ExpectEqual(ok, true, "Unable to convert type of ReplicationController watch watchEvent")
|
||||
if rc.ObjectMeta.Name == testRcName && rc.ObjectMeta.Namespace == testRcNamespace && rc.Status.Replicas == testRcMaxReplicaCount && rc.Status.ReadyReplicas == testRcMaxReplicaCount {
|
||||
foundRcWithMaxScale = true
|
||||
rcFromWatch = rc
|
||||
break
|
||||
}
|
||||
}
|
||||
framework.ExpectEqual(foundRcWithMaxScale, true, "failed to locate a ReplicationController with max scale")
|
||||
framework.ExpectEqual(rcFromWatch.Status.Replicas, testRcMaxReplicaCount, "ReplicationController ReplicasSet Scale does not match the expected scale")
|
||||
|
||||
// Get the ReplicationController
|
||||
ginkgo.By("fetching ReplicationController; ensuring that it's patched")
|
||||
rc, err := f.ClientSet.CoreV1().ReplicationControllers(testRcNamespace).Get(context.TODO(), testRcName, metav1.GetOptions{})
|
||||
framework.ExpectNoError(err, "failed to fetch ReplicationController")
|
||||
framework.ExpectEqual(rc.ObjectMeta.Labels["test-rc"], "patched", "ReplicationController is missing a label from earlier patch")
|
||||
|
||||
rcStatusUpdatePayload := rc
|
||||
rcStatusUpdatePayload.Status.AvailableReplicas = 1
|
||||
rcStatusUpdatePayload.Status.ReadyReplicas = 1
|
||||
|
||||
// Replace the ReplicationController's status
|
||||
ginkgo.By("updating ReplicationController status")
|
||||
rcStatus, err = f.ClientSet.CoreV1().ReplicationControllers(testRcNamespace).UpdateStatus(context.TODO(), rcStatusUpdatePayload, metav1.UpdateOptions{})
|
||||
framework.ExpectNoError(err, "failed to update ReplicationControllerStatus")
|
||||
framework.ExpectEqual(rcStatus.Status.ReadyReplicas, int32(1), "ReplicationControllerStatus readyReplicas does not equal 1")
|
||||
ginkgo.By("waiting for RC to be modified")
|
||||
|
||||
eventFound = false
|
||||
for watchEvent := range rcWatchChan {
|
||||
if watchEvent.Type == watch.Modified {
|
||||
eventFound = true
|
||||
break
|
||||
}
|
||||
}
|
||||
framework.ExpectEqual(eventFound, true, "failed to find RC %v event", watch.Modified)
|
||||
|
||||
ginkgo.By("listing all ReplicationControllers")
|
||||
rcs, err := f.ClientSet.CoreV1().ReplicationControllers("").List(context.TODO(), metav1.ListOptions{LabelSelector: "test-rc-static=true"})
|
||||
framework.ExpectNoError(err, "failed to list ReplicationController")
|
||||
framework.ExpectEqual(len(rcs.Items) > 0, true)
|
||||
|
||||
ginkgo.By("checking that ReplicationController has expected values")
|
||||
foundRc := false
|
||||
for _, rcItem := range rcs.Items {
|
||||
if rcItem.ObjectMeta.Name == testRcName &&
|
||||
rcItem.ObjectMeta.Namespace == testRcNamespace &&
|
||||
rcItem.ObjectMeta.Labels["test-rc-static"] == "true" &&
|
||||
rcItem.ObjectMeta.Labels["test-rc"] == "patched" {
|
||||
foundRc = true
|
||||
}
|
||||
}
|
||||
framework.ExpectEqual(foundRc, true)
|
||||
|
||||
// Delete ReplicationController
|
||||
ginkgo.By("deleting ReplicationControllers by collection")
|
||||
err = f.ClientSet.CoreV1().ReplicationControllers(testRcNamespace).DeleteCollection(context.TODO(), metav1.DeleteOptions{}, metav1.ListOptions{LabelSelector: "test-rc-static=true"})
|
||||
framework.ExpectNoError(err, "Failed to delete ReplicationControllers")
|
||||
|
||||
ginkgo.By("waiting for ReplicationController to have a DELETED watchEvent")
|
||||
eventFound = false
|
||||
for watchEvent := range rcWatchChan {
|
||||
if watchEvent.Type == watch.Deleted {
|
||||
eventFound = true
|
||||
break
|
||||
}
|
||||
}
|
||||
framework.ExpectEqual(eventFound, true, "failed to find RC %v event", watch.Deleted)
|
||||
})
|
||||
})
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user