// makePodToVerifyCgroups returns a pod that verifies the existence of the specified cgroups.
func makePodToVerifyCgroups(cgroupNames []cm.CgroupName) *api.Pod {
	// convert the names to their literal cgroupfs forms...
	cgroupFsNames := []string{}
	for _, cgroupName := range cgroupNames {
		if framework.TestContext.KubeletConfig.CgroupDriver == "systemd" {
			cgroupFsNames = append(cgroupFsNames, cm.ConvertCgroupNameToSystemd(cgroupName, true))
		} else {
			cgroupFsNames = append(cgroupFsNames, string(cgroupName))
		}
	}

	// build the pod command to either verify cgroups exist
	command := ""
	for _, cgroupFsName := range cgroupFsNames {
		localCommand := "if [ ! -d /tmp/memory/" + cgroupFsName + " ] || [ ! -d /tmp/cpu/" + cgroupFsName + " ]; then exit 1; fi; "
		command += localCommand
	}

	pod := &api.Pod{
		ObjectMeta: api.ObjectMeta{
			Name: "pod" + string(uuid.NewUUID()),
		},
		Spec: api.PodSpec{
			RestartPolicy: api.RestartPolicyNever,
			Containers: []api.Container{
				{
					Image:   "gcr.io/google_containers/busybox:1.24",
					Name:    "container" + string(uuid.NewUUID()),
					Command: []string{"sh", "-c", command},
					VolumeMounts: []api.VolumeMount{
						{
							Name:      "sysfscgroup",
							MountPath: "/tmp",
						},
					},
				},
			},
			Volumes: []api.Volume{
				{
					Name: "sysfscgroup",
					VolumeSource: api.VolumeSource{
						HostPath: &api.HostPathVolumeSource{Path: "/sys/fs/cgroup"},
					},
				},
			},
		},
	}
	return pod
}
// makePodToVerifyCgroupRemoved verfies the specified cgroup does not exist.
func makePodToVerifyCgroupRemoved(cgroupName cm.CgroupName) *api.Pod {
	cgroupFsName := string(cgroupName)
	if framework.TestContext.KubeletConfig.CgroupDriver == "systemd" {
		cgroupFsName = cm.ConvertCgroupNameToSystemd(cm.CgroupName(cgroupName), true)
	}
	pod := &api.Pod{
		ObjectMeta: api.ObjectMeta{
			Name: "pod" + string(uuid.NewUUID()),
		},
		Spec: api.PodSpec{
			RestartPolicy: api.RestartPolicyOnFailure,
			Containers: []api.Container{
				{
					Image:   "gcr.io/google_containers/busybox:1.24",
					Name:    "container" + string(uuid.NewUUID()),
					Command: []string{"sh", "-c", "for i in `seq 1 10`; do if [ ! -d /tmp/memory/" + cgroupFsName + " ] && [ ! -d /tmp/cpu/" + cgroupFsName + " ]; then exit 0; else sleep 10; fi; done; exit 1"},
					VolumeMounts: []api.VolumeMount{
						{
							Name:      "sysfscgroup",
							MountPath: "/tmp",
						},
					},
				},
			},
			Volumes: []api.Volume{
				{
					Name: "sysfscgroup",
					VolumeSource: api.VolumeSource{
						HostPath: &api.HostPathVolumeSource{Path: "/sys/fs/cgroup"},
					},
				},
			},
		},
	}
	return pod
}