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2f6c4f5eab
All code must use the context from Ginkgo when doing API calls or polling for a change, otherwise the code would not return immediately when the test gets aborted.
122 lines
3.8 KiB
Go
122 lines
3.8 KiB
Go
/*
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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 node
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import (
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"context"
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"fmt"
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"github.com/onsi/ginkgo/v2"
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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/kubernetes/test/e2e/framework"
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e2epod "k8s.io/kubernetes/test/e2e/framework/pod"
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imageutils "k8s.io/kubernetes/test/utils/image"
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admissionapi "k8s.io/pod-security-admission/api"
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)
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// PrivilegedPodTestConfig is configuration struct for privileged pod test
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// TODO: Merge with tests in security_context.go
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type PrivilegedPodTestConfig struct {
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f *framework.Framework
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privilegedPod string
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privilegedContainer string
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notPrivilegedContainer string
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pod *v1.Pod
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}
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var _ = SIGDescribe("PrivilegedPod [NodeConformance]", func() {
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f := framework.NewDefaultFramework("e2e-privileged-pod")
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f.NamespacePodSecurityEnforceLevel = admissionapi.LevelPrivileged
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config := &PrivilegedPodTestConfig{
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f: f,
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privilegedPod: "privileged-pod",
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privilegedContainer: "privileged-container",
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notPrivilegedContainer: "not-privileged-container",
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}
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ginkgo.It("should enable privileged commands [LinuxOnly]", func(ctx context.Context) {
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// Windows does not support privileged containers.
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ginkgo.By("Creating a pod with a privileged container")
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config.createPods(ctx)
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ginkgo.By("Executing in the privileged container")
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config.run(config.privilegedContainer, true)
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ginkgo.By("Executing in the non-privileged container")
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config.run(config.notPrivilegedContainer, false)
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})
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})
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func (c *PrivilegedPodTestConfig) run(containerName string, expectSuccess bool) {
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cmd := []string{"ip", "link", "add", "dummy1", "type", "dummy"}
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reverseCmd := []string{"ip", "link", "del", "dummy1"}
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stdout, stderr, err := e2epod.ExecCommandInContainerWithFullOutput(
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c.f, c.privilegedPod, containerName, cmd...)
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msg := fmt.Sprintf("cmd %v, stdout %q, stderr %q", cmd, stdout, stderr)
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if expectSuccess {
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framework.ExpectNoError(err, msg)
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// We need to clean up the dummy link that was created, as it
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// leaks out into the node level -- yuck.
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_, _, err := e2epod.ExecCommandInContainerWithFullOutput(
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c.f, c.privilegedPod, containerName, reverseCmd...)
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framework.ExpectNoError(err,
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fmt.Sprintf("could not remove dummy1 link: %v", err))
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} else {
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framework.ExpectError(err, msg)
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}
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}
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func (c *PrivilegedPodTestConfig) createPodsSpec() *v1.Pod {
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isPrivileged := true
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notPrivileged := false
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return &v1.Pod{
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ObjectMeta: metav1.ObjectMeta{
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Name: c.privilegedPod,
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Namespace: c.f.Namespace.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: c.privilegedContainer,
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Image: imageutils.GetE2EImage(imageutils.BusyBox),
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ImagePullPolicy: v1.PullIfNotPresent,
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SecurityContext: &v1.SecurityContext{Privileged: &isPrivileged},
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Command: []string{"/bin/sleep", "10000"},
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},
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{
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Name: c.notPrivilegedContainer,
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Image: imageutils.GetE2EImage(imageutils.BusyBox),
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ImagePullPolicy: v1.PullIfNotPresent,
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SecurityContext: &v1.SecurityContext{Privileged: ¬Privileged},
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Command: []string{"/bin/sleep", "10000"},
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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 (c *PrivilegedPodTestConfig) createPods(ctx context.Context) {
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podSpec := c.createPodsSpec()
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c.pod = e2epod.NewPodClient(c.f).CreateSync(ctx, podSpec)
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}
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