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Merge pull request #88588 from ii/create-replication-controller-lifecycle-test
Create ReplicationController lifecycle test - +7 endpoint coverage
This commit is contained in:
Kubernetes Prow Robot
GitHub
commit
7b1a531976
@ -38,6 +38,7 @@ go_library(
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"//pkg/master/ports:go_default_library",
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"//pkg/scheduler/nodeinfo:go_default_library",
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"//staging/src/k8s.io/api/apps/v1:go_default_library",
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"//staging/src/k8s.io/api/autoscaling/v1:go_default_library",
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"//staging/src/k8s.io/api/batch/v1:go_default_library",
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"//staging/src/k8s.io/api/batch/v1beta1:go_default_library",
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"//staging/src/k8s.io/api/core/v1:go_default_library",
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@ -18,16 +18,21 @@ package apps
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import (
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"context"
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"encoding/json"
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"fmt"
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"time"
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autoscalingv1 "k8s.io/api/autoscaling/v1"
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v1 "k8s.io/api/core/v1"
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apierrors "k8s.io/apimachinery/pkg/api/errors"
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"k8s.io/apimachinery/pkg/api/resource"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/labels"
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"k8s.io/apimachinery/pkg/runtime/schema"
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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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"k8s.io/client-go/dynamic"
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clientset "k8s.io/client-go/kubernetes"
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"k8s.io/kubernetes/pkg/controller/replication"
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"k8s.io/kubernetes/test/e2e/framework"
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@ -41,6 +46,14 @@ import (
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var _ = SIGDescribe("ReplicationController", func() {
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f := framework.NewDefaultFramework("replication-controller")
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var ns string
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var dc dynamic.Interface
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ginkgo.BeforeEach(func() {
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ns = f.Namespace.Name
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dc = f.DynamicClient
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})
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/*
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Release : v1.9
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Testname: Replication Controller, run basic image
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@ -83,6 +96,175 @@ var _ = SIGDescribe("ReplicationController", func() {
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framework.ConformanceIt("should release no longer matching pods", func() {
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testRCReleaseControlledNotMatching(f)
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})
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ginkgo.It("should test the lifecycle of a ReplicationController", func() {
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testRcName := "rc-test"
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testRcNamespace := ns
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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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rcTest := v1.ReplicationController{
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ObjectMeta: metav1.ObjectMeta{
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Name: testRcName,
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Labels: map[string]string{"test-rc-static": "true"},
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},
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Spec: v1.ReplicationControllerSpec{
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Replicas: &testRcInitialReplicaCount,
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Selector: map[string]string{"test-rc-static": "true"},
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Template: &v1.PodTemplateSpec{
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ObjectMeta: metav1.ObjectMeta{
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Name: testRcName,
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Labels: map[string]string{"test-rc-static": "true"},
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},
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Spec: v1.PodSpec{
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Containers: []v1.Container{{
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Name: testRcName,
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Image: "nginx",
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}},
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},
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},
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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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// 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 available Replicas")
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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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break
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}
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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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_, 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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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("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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var rcFromWatch *v1.ReplicationController
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ginkgo.By("waiting for ReplicationController's scale to be the max amount")
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foundRcWithMaxScale := 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.ObjectMeta.Name == testRcName && rc.ObjectMeta.Namespace == testRcNamespace && rc.Status.Replicas == testRcMaxReplicaCount && rc.Status.ReadyReplicas == testRcMaxReplicaCount {
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foundRcWithMaxScale = true
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rcFromWatch = rc
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break
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}
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}
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framework.ExpectEqual(foundRcWithMaxScale, true, "failed to locate a ReplicationController with max scale")
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framework.ExpectEqual(rcFromWatch.Status.Replicas, testRcMaxReplicaCount, "ReplicationController ReplicasSet Scale does not match the expected scale")
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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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rcStatus, 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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framework.ExpectEqual(rcStatus.Status.ReadyReplicas, int32(1), "ReplicationControllerStatus readyReplicas does not equal 1")
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ginkgo.By(fmt.Sprintf("waiting for ReplicationController readyReplicas to be equal to %v", testRcMaxReplicaCount))
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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 == testRcMaxReplicaCount && rc.Status.ReadyReplicas == testRcMaxReplicaCount {
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break
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}
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}
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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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rcItem.Status.Replicas == testRcMaxReplicaCount &&
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rcItem.Status.ReadyReplicas == testRcMaxReplicaCount {
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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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for watchEvent := range rcWatchChan {
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if watchEvent.Type == "DELETED" {
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break
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}
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}
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})
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})
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func newRC(rsName string, replicas int32, rcPodLabels map[string]string, imageName string, image string, args []string) *v1.ReplicationController {
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