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Adding e2e test for HostProcess containers on Windows
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96
test/e2e/windows/host_process.go
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96
test/e2e/windows/host_process.go
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/*
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Copyright 2021 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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utilfeature "k8s.io/apiserver/pkg/util/feature"
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"k8s.io/kubernetes/pkg/features"
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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:WindowsHostProcessContainers] [Excluded:WindowsDocker] [MinimumKubeletVersion:1.22] HostProcess containers", func() {
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ginkgo.BeforeEach(func() {
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e2eskipper.SkipUnlessNodeOSDistroIs("windows")
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SkipUnlessWindowsHostProcessContainersEnabled()
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})
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f := framework.NewDefaultFramework("host-process-test-windows")
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ginkgo.It("should run as a 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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ginkgo.By("scheduling a pod with a container that verifies %COMPUTERNAME% matches selected node name")
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image := imageutils.GetConfig(imageutils.BusyBox)
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trueVar := true
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podName := "host-process-test-pod"
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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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},
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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: image.GetE2EImage(),
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Name: "computer-name-test",
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Command: []string{"cmd.exe", "/K", "IF", "NOT", "%COMPUTERNAME%", "==", targetNode.Name, "(", "exit", "-1", ")"},
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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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})
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})
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func SkipUnlessWindowsHostProcessContainersEnabled() {
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if !utilfeature.DefaultFeatureGate.Enabled(features.WindowsHostProcessContainers) {
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e2eskipper.Skipf("Skipping test because feature 'WindowsHostProcessContainers' is not enabled")
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}
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}
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