mirror of
https://github.com/k3s-io/kubernetes.git
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237 lines
6.6 KiB
Go
237 lines
6.6 KiB
Go
/*
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Copyright 2014 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package e2e
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import (
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"strconv"
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"time"
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clientapi "k8s.io/client-go/1.4/pkg/api"
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clientv1 "k8s.io/client-go/1.4/pkg/api/v1"
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"k8s.io/kubernetes/pkg/api"
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"k8s.io/kubernetes/pkg/api/v1"
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"k8s.io/kubernetes/pkg/labels"
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"k8s.io/kubernetes/pkg/runtime"
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"k8s.io/kubernetes/pkg/util/intstr"
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"k8s.io/kubernetes/pkg/util/uuid"
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"k8s.io/kubernetes/pkg/util/wait"
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"k8s.io/kubernetes/pkg/watch"
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"k8s.io/kubernetes/test/e2e/framework"
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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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)
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func stagingClientPod(name, value string) clientv1.Pod {
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return clientv1.Pod{
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ObjectMeta: clientv1.ObjectMeta{
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Name: name,
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Labels: map[string]string{
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"name": "foo",
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"time": value,
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},
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},
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Spec: clientv1.PodSpec{
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Containers: []clientv1.Container{
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{
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Name: "nginx",
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Image: "gcr.io/google_containers/nginx-slim:0.7",
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Ports: []clientv1.ContainerPort{{ContainerPort: 80}},
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},
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},
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},
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}
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}
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func testingPod(name, value string) v1.Pod {
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return v1.Pod{
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ObjectMeta: v1.ObjectMeta{
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Name: name,
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Labels: map[string]string{
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"name": "foo",
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"time": value,
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},
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},
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Spec: v1.PodSpec{
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Containers: []v1.Container{
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{
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Name: "nginx",
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Image: "gcr.io/google_containers/nginx-slim:0.7",
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Ports: []v1.ContainerPort{{ContainerPort: 80}},
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LivenessProbe: &v1.Probe{
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Handler: v1.Handler{
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HTTPGet: &v1.HTTPGetAction{
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Path: "/index.html",
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Port: intstr.FromInt(8080),
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},
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},
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InitialDelaySeconds: 30,
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},
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},
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},
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},
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}
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}
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func observePodCreation(w watch.Interface) {
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select {
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case event, _ := <-w.ResultChan():
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if event.Type != watch.Added {
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framework.Failf("Failed to observe pod creation: %v", event)
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}
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case <-time.After(framework.PodStartTimeout):
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framework.Failf("Timeout while waiting for pod creation")
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}
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}
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func observeObjectDeletion(w watch.Interface) (obj runtime.Object) {
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deleted := false
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timeout := false
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timer := time.After(60 * time.Second)
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for !deleted && !timeout {
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select {
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case event, _ := <-w.ResultChan():
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if event.Type == watch.Deleted {
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obj = event.Object
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deleted = true
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}
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case <-timer:
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timeout = true
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}
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}
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if !deleted {
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framework.Failf("Failed to observe pod deletion")
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}
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return
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}
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var _ = framework.KubeDescribe("Generated release_1_5 clientset", func() {
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f := framework.NewDefaultFramework("clientset")
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It("should create pods, delete pods, watch pods", func() {
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podClient := f.Clientset_1_5.Core().Pods(f.Namespace.Name)
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By("constructing the pod")
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name := "pod" + string(uuid.NewUUID())
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value := strconv.Itoa(time.Now().Nanosecond())
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podCopy := testingPod(name, value)
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pod := &podCopy
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By("setting up watch")
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selector := labels.SelectorFromSet(labels.Set(map[string]string{"time": value}))
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options := api.ListOptions{LabelSelector: selector}
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pods, err := podClient.List(options)
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if err != nil {
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framework.Failf("Failed to query for pods: %v", err)
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}
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Expect(len(pods.Items)).To(Equal(0))
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options = api.ListOptions{
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LabelSelector: selector,
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ResourceVersion: pods.ListMeta.ResourceVersion,
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}
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w, err := podClient.Watch(options)
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if err != nil {
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framework.Failf("Failed to set up watch: %v", err)
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}
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By("creating the pod")
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pod, err = podClient.Create(pod)
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if err != nil {
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framework.Failf("Failed to create pod: %v", err)
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}
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// We call defer here in case there is a problem with
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// the test so we can ensure that we clean up after
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// ourselves
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defer podClient.Delete(pod.Name, api.NewDeleteOptions(0))
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By("verifying the pod is in kubernetes")
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options = api.ListOptions{
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LabelSelector: selector,
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ResourceVersion: pod.ResourceVersion,
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}
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pods, err = podClient.List(options)
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if err != nil {
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framework.Failf("Failed to query for pods: %v", err)
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}
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Expect(len(pods.Items)).To(Equal(1))
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By("verifying pod creation was observed")
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observePodCreation(w)
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// We need to wait for the pod to be scheduled, otherwise the deletion
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// will be carried out immediately rather than gracefully.
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framework.ExpectNoError(f.WaitForPodRunning(pod.Name))
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By("deleting the pod gracefully")
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if err := podClient.Delete(pod.Name, api.NewDeleteOptions(30)); err != nil {
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framework.Failf("Failed to delete pod: %v", err)
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}
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By("verifying pod deletion was observed")
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obj := observeObjectDeletion(w)
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lastPod := obj.(*v1.Pod)
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Expect(lastPod.DeletionTimestamp).ToNot(BeNil())
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Expect(lastPod.Spec.TerminationGracePeriodSeconds).ToNot(BeZero())
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options = api.ListOptions{LabelSelector: selector}
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pods, err = podClient.List(options)
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if err != nil {
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framework.Failf("Failed to list pods to verify deletion: %v", err)
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}
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Expect(len(pods.Items)).To(Equal(0))
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})
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})
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var _ = framework.KubeDescribe("Staging client repo client", func() {
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f := framework.NewDefaultFramework("clientset")
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It("should create pods, delete pods, watch pods", func() {
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podClient := f.StagingClient.Core().Pods(f.Namespace.Name)
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By("constructing the pod")
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name := "pod" + string(uuid.NewUUID())
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value := strconv.Itoa(time.Now().Nanosecond())
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podCopy := stagingClientPod(name, value)
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pod := &podCopy
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By("verifying no pod exists before the test")
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pods, err := podClient.List(clientapi.ListOptions{})
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if err != nil {
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framework.Failf("Failed to query for pods: %v", err)
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}
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Expect(len(pods.Items)).To(Equal(0))
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By("creating the pod")
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pod, err = podClient.Create(pod)
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if err != nil {
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framework.Failf("Failed to create pod: %v", err)
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}
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// We call defer here in case there is a problem with
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// the test so we can ensure that we clean up after
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// ourselves
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defer podClient.Delete(pod.Name, clientapi.NewDeleteOptions(0))
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By("verifying the pod is in kubernetes")
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timeout := 1 * time.Minute
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if err := wait.PollImmediate(time.Second, timeout, func() (bool, error) {
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pods, err = podClient.List(clientapi.ListOptions{})
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if err != nil {
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return false, err
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}
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if len(pods.Items) == 1 {
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return true, nil
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}
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return false, nil
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}); err != nil {
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framework.Failf("Err : %s\n. Failed to wait for 1 pod to be created", err)
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}
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})
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})
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