107 lines
3.8 KiB
Go
107 lines
3.8 KiB
Go
/*
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Copyright 2019 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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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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"k8s.io/kubernetes/test/e2e/framework"
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testutils "k8s.io/kubernetes/test/utils"
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imageutils "k8s.io/kubernetes/test/utils/image"
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"github.com/onsi/ginkgo"
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)
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const runAsUserNameContainerName = "run-as-username-container"
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var _ = SIGDescribe("[Feature:Windows] SecurityContext RunAsUserName", func() {
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f := framework.NewDefaultFramework("windows-run-as-username")
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ginkgo.It("should be able create pods and run containers with a given username", func() {
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ginkgo.By("Creating 2 pods: 1 with the default user, and one with a custom one.")
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podDefault := runAsUserNamePod(nil)
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f.TestContainerOutput("check default user", podDefault, 0, []string{"ContainerUser"})
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podUserName := runAsUserNamePod(toPtr("ContainerAdministrator"))
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f.TestContainerOutput("check set user", podUserName, 0, []string{"ContainerAdministrator"})
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})
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ginkgo.It("should not be able to create pods with unknown usernames", func() {
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ginkgo.By("Creating a pod with an invalid username")
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podInvalid := f.PodClient().Create(runAsUserNamePod(toPtr("FooLish")))
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framework.Logf("Waiting for pod %s to enter the error state.", podInvalid.Name)
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framework.ExpectNoError(f.WaitForPodTerminated(podInvalid.Name, ""))
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podInvalid, _ = f.PodClient().Get(context.TODO(), podInvalid.Name, metav1.GetOptions{})
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podTerminatedReason := testutils.TerminatedContainers(podInvalid)[runAsUserNameContainerName]
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if podTerminatedReason != "ContainerCannotRun" && podTerminatedReason != "StartError" {
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framework.Failf("The container terminated reason was supposed to be: 'ContainerCannotRun' or 'StartError', not: '%q'", podTerminatedReason)
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}
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})
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ginkgo.It("should override SecurityContext username if set", func() {
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ginkgo.By("Creating a pod with 2 containers with different username configurations.")
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pod := runAsUserNamePod(toPtr("ContainerAdministrator"))
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pod.Spec.Containers[0].SecurityContext.WindowsOptions.RunAsUserName = toPtr("ContainerUser")
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pod.Spec.Containers = append(pod.Spec.Containers, v1.Container{
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Name: "run-as-username-new-container",
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Image: imageutils.GetE2EImage(imageutils.NonRoot),
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Command: []string{"cmd", "/S", "/C", "echo %username%"},
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})
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f.TestContainerOutput("check overridden username", pod, 0, []string{"ContainerUser"})
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f.TestContainerOutput("check pod SecurityContext username", pod, 1, []string{"ContainerAdministrator"})
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})
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})
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func runAsUserNamePod(username *string) *v1.Pod {
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podName := "run-as-username-" + string(uuid.NewUUID())
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return &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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Containers: []v1.Container{
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{
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Name: runAsUserNameContainerName,
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Image: imageutils.GetE2EImage(imageutils.NonRoot),
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Command: []string{"cmd", "/S", "/C", "echo %username%"},
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SecurityContext: &v1.SecurityContext{
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WindowsOptions: &v1.WindowsSecurityContextOptions{
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RunAsUserName: username,
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},
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},
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},
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},
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SecurityContext: &v1.PodSecurityContext{
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WindowsOptions: &v1.WindowsSecurityContextOptions{
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RunAsUserName: username,
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},
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},
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RestartPolicy: v1.RestartPolicyNever,
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},
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}
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}
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func toPtr(s string) *string {
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return &s
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}
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