// 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
}
},
},
},
}
return pod
}
var _ = framework.KubeDescribe("Kubelet Cgroup Manager", func() {
f := framework.NewDefaultFramework("kubelet-cgroup-manager")
Describe("QOS containers", func() {
Context("On enabling QOS cgroup hierarchy", func() {
It("Top level QoS containers should have been created", func() {
if !framework.TestContext.KubeletConfig.ExperimentalCgroupsPerQOS {
return
}
cgroupsToVerify := []cm.CgroupName{cm.CgroupName(qos.Burstable), cm.CgroupName(qos.BestEffort)}
pod := makePodToVerifyCgroups(cgroupsToVerify)
f.PodClient().Create(pod)
err := framework.WaitForPodSuccessInNamespace(f.ClientSet, pod.Name, f.Namespace.Name)
Expect(err).NotTo(HaveOccurred())
})
})
})
Describe("Pod containers", func() {
Context("On scheduling a Guaranteed Pod", func() {
It("Pod containers should have been created under the cgroup-root", func() {
if !framework.TestContext.KubeletConfig.ExperimentalCgroupsPerQOS {
return
}
var (