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116 lines
3.3 KiB
Go
116 lines
3.3 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 common
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import (
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"fmt"
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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/kubernetes/pkg/api/v1"
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"k8s.io/kubernetes/test/e2e/framework"
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)
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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 _ = framework.KubeDescribe("PrivilegedPod", func() {
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config := &PrivilegedPodTestConfig{
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f: framework.NewDefaultFramework("e2e-privileged-pod"),
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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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It("should enable privileged commands", func() {
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By("Creating a pod with a privileged container")
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config.createPods()
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By("Executing in the privileged container")
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config.run(config.privilegedContainer, true)
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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 := c.f.ExecCommandInContainerWithFullOutput(
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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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Expect(err).NotTo(HaveOccurred(), 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 := c.f.ExecCommandInContainerWithFullOutput(
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c.privilegedPod, containerName, reverseCmd...)
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Expect(err).NotTo(HaveOccurred(),
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fmt.Sprintf("could not remove dummy1 link: %v", err))
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} else {
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Expect(err).To(HaveOccurred(), 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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const image = "gcr.io/google_containers/busybox:1.24"
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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: image,
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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: image,
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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() {
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podSpec := c.createPodsSpec()
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c.pod = c.f.PodClient().CreateSync(podSpec)
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}
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