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Adding reboot node testcase
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Wenli Wei
parent
dc96c3dfcc
commit
a2e0beb44b
253
test/e2e/windows/reboot_node.go
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253
test/e2e/windows/reboot_node.go
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/*
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Copyright 2022 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 windows
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import (
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"context"
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"time"
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"github.com/onsi/ginkgo"
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v1 "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/uuid"
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podutil "k8s.io/kubernetes/pkg/api/v1/pod"
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"k8s.io/kubernetes/test/e2e/framework"
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e2eskipper "k8s.io/kubernetes/test/e2e/framework/skipper"
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imageutils "k8s.io/kubernetes/test/utils/image"
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)
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var _ = SIGDescribe("[Feature:Windows] [Excluded:WindowsDocker] [MinimumKubeletVersion:1.22] RebootHost containers [Serial] [Disruptive] [Slow]", func() {
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ginkgo.BeforeEach(func() {
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e2eskipper.SkipUnlessNodeOSDistroIs("windows")
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})
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f := framework.NewDefaultFramework("reboot-host-test-windows")
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ginkgo.It("should run as a reboot process on the host/node", func() {
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ginkgo.By("selecting a Windows node")
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targetNode, err := findWindowsNode(f)
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framework.ExpectNoError(err, "Error finding Windows node")
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framework.Logf("Using node: %v", targetNode.Name)
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windowsImage := imageutils.GetE2EImage(imageutils.Agnhost)
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// Create Windows pod on the selected Windows node Using Agnhost
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podName := "pod-" + string(uuid.NewUUID())
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agnPod := &v1.Pod{
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TypeMeta: metav1.TypeMeta{
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Kind: "Pod",
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APIVersion: "v1",
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},
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ObjectMeta: metav1.ObjectMeta{
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Name: podName,
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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: "windows-container",
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Image: windowsImage,
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Ports: []v1.ContainerPort{{ContainerPort: 80}},
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},
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},
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RestartPolicy: v1.RestartPolicyAlways,
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NodeName: targetNode.Name,
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},
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}
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agnPod.Spec.Containers[0].Args = []string{"test-webserver"}
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ginkgo.By("creating a windows pod and waiting for it to be running")
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agnPod = f.PodClient().CreateSync(agnPod)
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// Create Linux pod to ping the windows pod
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linuxBusyBoxImage := imageutils.GetE2EImage(imageutils.Nginx)
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podName = "pod-" + string(uuid.NewUUID())
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nginxPod := &v1.Pod{
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TypeMeta: metav1.TypeMeta{
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Kind: "Pod",
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APIVersion: "v1",
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},
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ObjectMeta: metav1.ObjectMeta{
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Name: podName,
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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: "linux-container",
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Image: linuxBusyBoxImage,
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Ports: []v1.ContainerPort{{ContainerPort: 80}},
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},
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},
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NodeSelector: map[string]string{
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"kubernetes.io/os": "linux",
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},
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Tolerations: []v1.Toleration{
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{
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Operator: v1.TolerationOpExists,
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Effect: v1.TaintEffectNoSchedule,
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},
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},
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},
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}
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ginkgo.By("Waiting for the Linux pod to run")
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nginxPod = f.PodClient().CreateSync(nginxPod)
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ginkgo.By("checking connectivity to 8.8.8.8 53 (google.com) from Linux")
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assertConsistentConnectivity(f, nginxPod.ObjectMeta.Name, "linux", linuxCheck("8.8.8.8", 53))
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ginkgo.By("checking connectivity to www.google.com from Windows")
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assertConsistentConnectivity(f, agnPod.ObjectMeta.Name, "windows", windowsCheck("www.google.com"))
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ginkgo.By("checking connectivity from Linux to Windows for the first time")
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assertConsistentConnectivity(f, nginxPod.ObjectMeta.Name, "linux", linuxCheck(agnPod.Status.PodIP, 80))
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initialRestartCount := podutil.GetExistingContainerStatus(agnPod.Status.ContainerStatuses, "windows-container").RestartCount
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ginkgo.By("scheduling a pod with a container that verifies reboot selected node works as well")
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trueVar := true
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podName = "reboot-host-test-pod"
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user := "NT AUTHORITY\\SYSTEM"
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pod := &v1.Pod{
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ObjectMeta: metav1.ObjectMeta{
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Name: podName,
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},
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Spec: v1.PodSpec{
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SecurityContext: &v1.PodSecurityContext{
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WindowsOptions: &v1.WindowsSecurityContextOptions{
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HostProcess: &trueVar,
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RunAsUserName: &user,
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},
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},
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HostNetwork: true,
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Containers: []v1.Container{
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{
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Image: windowsImage,
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Name: "reboot-computer-test",
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Command: []string{
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"powershell.exe",
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"-Command",
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"$os = Get-WmiObject -Class win32_operatingsystem;",
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"[Environment]::SetEnvironmentVariable(\"TMP_BOOT_DATE\", $os.LastBootUpTime, \"Machine\");",
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"[Environment]::SetEnvironmentVariable(\"TMP_INSTALL_DATE\", $os.InstallDate, \"Machine\");",
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"shutdown.exe -r -t 30",
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},
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},
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},
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RestartPolicy: v1.RestartPolicyNever,
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NodeName: targetNode.Name,
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},
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}
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f.PodClient().Create(pod)
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ginkgo.By("Waiting for pod to run")
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f.PodClient().WaitForFinish(podName, 3*time.Minute)
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ginkgo.By("Then ensuring pod finished running successfully")
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p, err := f.ClientSet.CoreV1().Pods(f.Namespace.Name).Get(
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context.TODO(),
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podName,
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metav1.GetOptions{})
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framework.ExpectNoError(err, "Error retrieving pod")
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framework.ExpectEqual(p.Status.Phase, v1.PodSucceeded)
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ginkgo.By("Waiting for Windows worker rebooting")
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restartCount := 0
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timeout := time.After(time.Minute * 10)
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FOR:
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for {
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select {
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case <-timeout:
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break FOR
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default:
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if restartCount > 0 {
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break FOR
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}
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ginkgo.By("Then checking existed agn-test-pod is running on the rebooted host")
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agnPodOut, err := f.ClientSet.CoreV1().Pods(f.Namespace.Name).Get(context.TODO(), agnPod.Name, metav1.GetOptions{})
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if err == nil {
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lastRestartCount := podutil.GetExistingContainerStatus(agnPodOut.Status.ContainerStatuses, "windows-container").RestartCount
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restartCount = int(lastRestartCount - initialRestartCount)
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}
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time.Sleep(time.Second * 30)
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}
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}
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ginkgo.By("Checking whether agn-test-pod is rebooted")
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framework.ExpectEqual(restartCount, 1)
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agnPodOut, err := f.ClientSet.CoreV1().Pods(f.Namespace.Name).Get(context.TODO(), agnPod.Name, metav1.GetOptions{})
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framework.ExpectEqual(agnPodOut.Status.Phase, v1.PodRunning)
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framework.ExpectNoError(err, "getting pod info after reboot")
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assertConsistentConnectivity(f, nginxPod.ObjectMeta.Name, "linux", linuxCheck(agnPodOut.Status.PodIP, 80))
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// create another host process pod to check system boot time
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checkPod := &v1.Pod{
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ObjectMeta: metav1.ObjectMeta{
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Name: "check-reboot-pod",
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},
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Spec: v1.PodSpec{
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SecurityContext: &v1.PodSecurityContext{
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WindowsOptions: &v1.WindowsSecurityContextOptions{
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HostProcess: &trueVar,
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RunAsUserName: &user,
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},
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},
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HostNetwork: true,
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Containers: []v1.Container{
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{
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Image: windowsImage,
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Name: "reboot-computer-check",
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Command: []string{
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"powershell.exe",
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"-Command",
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"$os = Get-WmiObject -Class win32_operatingsystem;",
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"$lastBootTime = [Environment]::GetEnvironmentVariable(\"TMP_BOOT_DATE\", \"Machine\");",
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"$lastInstallTime = [Environment]::GetEnvironmentVariable(\"TMP_INSTALL_DATE\", \"Machine\");",
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"$timeInterval = $os.ConvertToDateTime($os.LastBootUpTime) - $os.ConvertToDateTime($lastBootTime);",
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"$installInterval = $os.ConvertToDateTime($os.InstallDate) - $os.ConvertToDateTime($lastInstallTime);",
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"if ( $timeInterval.TotalSeconds -le 0 ) {exit -1};",
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"if ( $installInterval.TotalSeconds -ne 0 ) {exit -1};",
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"[Environment]::SetEnvironmentVariable(\"TMP_BOOT_DATE\", $null, \"Machine\");",
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"[Environment]::SetEnvironmentVariable(\"TMP_INSTALL_DATE\", $null, \"Machine\");",
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},
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},
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},
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RestartPolicy: v1.RestartPolicyNever,
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NodeName: targetNode.Name,
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},
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}
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f.PodClient().Create(checkPod)
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ginkgo.By("Waiting for pod to run")
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f.PodClient().WaitForFinish("check-reboot-pod", 3*time.Minute)
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ginkgo.By("Then ensuring pod finished running successfully")
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p, err = f.ClientSet.CoreV1().Pods(f.Namespace.Name).Get(
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context.TODO(),
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"check-reboot-pod",
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metav1.GetOptions{})
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framework.ExpectNoError(err, "Error retrieving pod")
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framework.ExpectEqual(p.Status.Phase, v1.PodSucceeded)
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})
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})
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