mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-11-13 01:40:23 +00:00
114 lines
3.3 KiB
Go
114 lines
3.3 KiB
Go
/*
|
|
Copyright 2016 The Kubernetes Authors.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
package common
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
. "github.com/onsi/ginkgo"
|
|
. "github.com/onsi/gomega"
|
|
"k8s.io/api/core/v1"
|
|
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
|
"k8s.io/kubernetes/test/e2e/framework"
|
|
)
|
|
|
|
type PrivilegedPodTestConfig struct {
|
|
f *framework.Framework
|
|
|
|
privilegedPod string
|
|
privilegedContainer string
|
|
notPrivilegedContainer string
|
|
|
|
pod *v1.Pod
|
|
}
|
|
|
|
var _ = framework.KubeDescribe("PrivilegedPod", func() {
|
|
config := &PrivilegedPodTestConfig{
|
|
f: framework.NewDefaultFramework("e2e-privileged-pod"),
|
|
privilegedPod: "privileged-pod",
|
|
privilegedContainer: "privileged-container",
|
|
notPrivilegedContainer: "not-privileged-container",
|
|
}
|
|
|
|
It("should enable privileged commands", func() {
|
|
By("Creating a pod with a privileged container")
|
|
config.createPods()
|
|
|
|
By("Executing in the privileged container")
|
|
config.run(config.privilegedContainer, true)
|
|
|
|
By("Executing in the non-privileged container")
|
|
config.run(config.notPrivilegedContainer, false)
|
|
})
|
|
})
|
|
|
|
func (c *PrivilegedPodTestConfig) run(containerName string, expectSuccess bool) {
|
|
cmd := []string{"ip", "link", "add", "dummy1", "type", "dummy"}
|
|
reverseCmd := []string{"ip", "link", "del", "dummy1"}
|
|
|
|
stdout, stderr, err := c.f.ExecCommandInContainerWithFullOutput(
|
|
c.privilegedPod, containerName, cmd...)
|
|
msg := fmt.Sprintf("cmd %v, stdout %q, stderr %q", cmd, stdout, stderr)
|
|
|
|
if expectSuccess {
|
|
Expect(err).NotTo(HaveOccurred(), msg)
|
|
// We need to clean up the dummy link that was created, as it
|
|
// leaks out into the node level -- yuck.
|
|
_, _, err := c.f.ExecCommandInContainerWithFullOutput(
|
|
c.privilegedPod, containerName, reverseCmd...)
|
|
Expect(err).NotTo(HaveOccurred(),
|
|
fmt.Sprintf("could not remove dummy1 link: %v", err))
|
|
} else {
|
|
Expect(err).To(HaveOccurred(), msg)
|
|
}
|
|
}
|
|
|
|
func (c *PrivilegedPodTestConfig) createPodsSpec() *v1.Pod {
|
|
isPrivileged := true
|
|
notPrivileged := false
|
|
|
|
return &v1.Pod{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: c.privilegedPod,
|
|
Namespace: c.f.Namespace.Name,
|
|
},
|
|
Spec: v1.PodSpec{
|
|
Containers: []v1.Container{
|
|
{
|
|
Name: c.privilegedContainer,
|
|
Image: busyboxImage,
|
|
ImagePullPolicy: v1.PullIfNotPresent,
|
|
SecurityContext: &v1.SecurityContext{Privileged: &isPrivileged},
|
|
Command: []string{"/bin/sleep", "10000"},
|
|
},
|
|
{
|
|
Name: c.notPrivilegedContainer,
|
|
Image: busyboxImage,
|
|
ImagePullPolicy: v1.PullIfNotPresent,
|
|
SecurityContext: &v1.SecurityContext{Privileged: ¬Privileged},
|
|
Command: []string{"/bin/sleep", "10000"},
|
|
},
|
|
},
|
|
},
|
|
}
|
|
}
|
|
|
|
func (c *PrivilegedPodTestConfig) createPods() {
|
|
podSpec := c.createPodsSpec()
|
|
c.pod = c.f.PodClient().CreateSync(podSpec)
|
|
}
|