Bumping k8s dependencies to 1.13
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Cheng Xing
173
vendor/k8s.io/kubernetes/test/e2e/common/lifecycle_hook.go
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173
vendor/k8s.io/kubernetes/test/e2e/common/lifecycle_hook.go
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/*
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Copyright 2016 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 common
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import (
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"time"
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"k8s.io/api/core/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/util/intstr"
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"k8s.io/kubernetes/test/e2e/framework"
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imageutils "k8s.io/kubernetes/test/utils/image"
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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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)
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var _ = framework.KubeDescribe("Container Lifecycle Hook", func() {
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f := framework.NewDefaultFramework("container-lifecycle-hook")
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var podClient *framework.PodClient
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const (
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podCheckInterval = 1 * time.Second
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postStartWaitTimeout = 2 * time.Minute
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preStopWaitTimeout = 30 * time.Second
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)
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Context("when create a pod with lifecycle hook", func() {
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var targetIP string
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podHandleHookRequest := &v1.Pod{
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ObjectMeta: metav1.ObjectMeta{
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Name: "pod-handle-http-request",
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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: "pod-handle-http-request",
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Image: imageutils.GetE2EImage(imageutils.Netexec),
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Ports: []v1.ContainerPort{
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{
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ContainerPort: 8080,
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Protocol: v1.ProtocolTCP,
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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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BeforeEach(func() {
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podClient = f.PodClient()
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By("create the container to handle the HTTPGet hook request.")
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newPod := podClient.CreateSync(podHandleHookRequest)
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targetIP = newPod.Status.PodIP
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})
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testPodWithHook := func(podWithHook *v1.Pod) {
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By("create the pod with lifecycle hook")
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podClient.CreateSync(podWithHook)
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if podWithHook.Spec.Containers[0].Lifecycle.PostStart != nil {
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By("check poststart hook")
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Eventually(func() error {
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return podClient.MatchContainerOutput(podHandleHookRequest.Name, podHandleHookRequest.Spec.Containers[0].Name,
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`GET /echo\?msg=poststart`)
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}, postStartWaitTimeout, podCheckInterval).Should(BeNil())
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}
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By("delete the pod with lifecycle hook")
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podClient.DeleteSync(podWithHook.Name, metav1.NewDeleteOptions(15), framework.DefaultPodDeletionTimeout)
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if podWithHook.Spec.Containers[0].Lifecycle.PreStop != nil {
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By("check prestop hook")
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Eventually(func() error {
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return podClient.MatchContainerOutput(podHandleHookRequest.Name, podHandleHookRequest.Spec.Containers[0].Name,
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`GET /echo\?msg=prestop`)
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}, preStopWaitTimeout, podCheckInterval).Should(BeNil())
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}
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}
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/*
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Release : v1.9
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Testname: Pod Lifecycle, post start exec hook
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Description: When a post start handler is specified in the container lifecycle using a ‘Exec’ action, then the handler MUST be invoked after the start of the container. A server pod is created that will serve http requests, create a second pod with a container lifecycle specifying a post start that invokes the server pod using ExecAction to validate that the post start is executed.
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*/
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framework.ConformanceIt("should execute poststart exec hook properly [NodeConformance]", func() {
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lifecycle := &v1.Lifecycle{
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PostStart: &v1.Handler{
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Exec: &v1.ExecAction{
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Command: []string{"sh", "-c", "curl http://" + targetIP + ":8080/echo?msg=poststart"},
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},
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},
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}
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podWithHook := getPodWithHook("pod-with-poststart-exec-hook", imageutils.GetE2EImage(imageutils.Hostexec), lifecycle)
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testPodWithHook(podWithHook)
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})
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/*
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Release : v1.9
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Testname: Pod Lifecycle, prestop exec hook
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Description: When a pre-stop handler is specified in the container lifecycle using a ‘Exec’ action, then the handler MUST be invoked before the container is terminated. A server pod is created that will serve http requests, create a second pod with a container lifecycle specifying a pre-stop that invokes the server pod using ExecAction to validate that the pre-stop is executed.
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*/
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framework.ConformanceIt("should execute prestop exec hook properly [NodeConformance]", func() {
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lifecycle := &v1.Lifecycle{
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PreStop: &v1.Handler{
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Exec: &v1.ExecAction{
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Command: []string{"sh", "-c", "curl http://" + targetIP + ":8080/echo?msg=prestop"},
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},
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},
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}
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podWithHook := getPodWithHook("pod-with-prestop-exec-hook", imageutils.GetE2EImage(imageutils.Hostexec), lifecycle)
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testPodWithHook(podWithHook)
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})
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/*
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Release : v1.9
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Testname: Pod Lifecycle, post start http hook
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Description: When a post start handler is specified in the container lifecycle using a HttpGet action, then the handler MUST be invoked after the start of the container. A server pod is created that will serve http requests, create a second pod with a container lifecycle specifying a post start that invokes the server pod to validate that the post start is executed.
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*/
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framework.ConformanceIt("should execute poststart http hook properly [NodeConformance]", func() {
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lifecycle := &v1.Lifecycle{
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PostStart: &v1.Handler{
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HTTPGet: &v1.HTTPGetAction{
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Path: "/echo?msg=poststart",
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Host: targetIP,
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Port: intstr.FromInt(8080),
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},
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},
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}
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podWithHook := getPodWithHook("pod-with-poststart-http-hook", imageutils.GetPauseImageName(), lifecycle)
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testPodWithHook(podWithHook)
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})
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/*
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Release : v1.9
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Testname: Pod Lifecycle, prestop http hook
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Description: When a pre-stop handler is specified in the container lifecycle using a ‘HttpGet’ action, then the handler MUST be invoked before the container is terminated. A server pod is created that will serve http requests, create a second pod with a container lifecycle specifying a pre-stop that invokes the server pod to validate that the pre-stop is executed.
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*/
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framework.ConformanceIt("should execute prestop http hook properly [NodeConformance]", func() {
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lifecycle := &v1.Lifecycle{
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PreStop: &v1.Handler{
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HTTPGet: &v1.HTTPGetAction{
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Path: "/echo?msg=prestop",
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Host: targetIP,
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Port: intstr.FromInt(8080),
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},
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},
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}
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podWithHook := getPodWithHook("pod-with-prestop-http-hook", imageutils.GetPauseImageName(), lifecycle)
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testPodWithHook(podWithHook)
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})
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})
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})
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func getPodWithHook(name string, image string, lifecycle *v1.Lifecycle) *v1.Pod {
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return &v1.Pod{
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ObjectMeta: metav1.ObjectMeta{
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Name: name,
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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: name,
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Image: image,
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Lifecycle: lifecycle,
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},
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},
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},
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}
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}
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