mirror of https://github.com/k3s-io/k3s
129 lines
4.0 KiB
Go
129 lines
4.0 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 e2e_node
|
|
|
|
import (
|
|
"time"
|
|
|
|
"k8s.io/api/core/v1"
|
|
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
|
"k8s.io/apimachinery/pkg/util/uuid"
|
|
"k8s.io/kubernetes/test/e2e/framework"
|
|
|
|
"fmt"
|
|
|
|
. "github.com/onsi/ginkgo"
|
|
. "github.com/onsi/gomega"
|
|
)
|
|
|
|
var _ = framework.KubeDescribe("Kubelet Volume Manager", func() {
|
|
f := framework.NewDefaultFramework("kubelet-volume-manager")
|
|
Describe("Volume Manager", func() {
|
|
Context("On terminatation of pod with memory backed volume", func() {
|
|
It("should remove the volume from the node [NodeConformance]", func() {
|
|
var (
|
|
memoryBackedPod *v1.Pod
|
|
volumeName string
|
|
)
|
|
By("Creating a pod with a memory backed volume that exits success without restart", func() {
|
|
volumeName = "memory-volume"
|
|
memoryBackedPod = f.PodClient().Create(&v1.Pod{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: "pod" + string(uuid.NewUUID()),
|
|
Namespace: f.Namespace.Name,
|
|
},
|
|
Spec: v1.PodSpec{
|
|
RestartPolicy: v1.RestartPolicyNever,
|
|
Containers: []v1.Container{
|
|
{
|
|
Image: busyboxImage,
|
|
Name: "container" + string(uuid.NewUUID()),
|
|
Command: []string{"sh", "-c", "echo"},
|
|
VolumeMounts: []v1.VolumeMount{
|
|
{
|
|
Name: volumeName,
|
|
MountPath: "/tmp",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
Volumes: []v1.Volume{
|
|
{
|
|
Name: volumeName,
|
|
VolumeSource: v1.VolumeSource{
|
|
EmptyDir: &v1.EmptyDirVolumeSource{Medium: v1.StorageMediumMemory},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
})
|
|
err := framework.WaitForPodSuccessInNamespace(f.ClientSet, memoryBackedPod.Name, f.Namespace.Name)
|
|
Expect(err).NotTo(HaveOccurred())
|
|
})
|
|
By("Verifying the memory backed volume was removed from node", func() {
|
|
volumePath := fmt.Sprintf("/tmp/%s/volumes/kubernetes.io~empty-dir/%s", string(memoryBackedPod.UID), volumeName)
|
|
var err error
|
|
for i := 0; i < 10; i++ {
|
|
// need to create a new verification pod on each pass since updates
|
|
//to the HostPath volume aren't propogated to the pod
|
|
pod := f.PodClient().Create(&v1.Pod{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: "pod" + string(uuid.NewUUID()),
|
|
Namespace: f.Namespace.Name,
|
|
},
|
|
Spec: v1.PodSpec{
|
|
RestartPolicy: v1.RestartPolicyNever,
|
|
Containers: []v1.Container{
|
|
{
|
|
Image: busyboxImage,
|
|
Name: "container" + string(uuid.NewUUID()),
|
|
Command: []string{"sh", "-c", "if [ -d " + volumePath + " ]; then exit 1; fi;"},
|
|
VolumeMounts: []v1.VolumeMount{
|
|
{
|
|
Name: "kubelet-pods",
|
|
MountPath: "/tmp",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
Volumes: []v1.Volume{
|
|
{
|
|
Name: "kubelet-pods",
|
|
VolumeSource: v1.VolumeSource{
|
|
// TODO: remove hardcoded kubelet volume directory path
|
|
// framework.TestContext.KubeVolumeDir is currently not populated for node e2e
|
|
HostPath: &v1.HostPathVolumeSource{Path: "/var/lib/kubelet/pods"},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
})
|
|
err = framework.WaitForPodSuccessInNamespace(f.ClientSet, pod.Name, f.Namespace.Name)
|
|
gp := int64(1)
|
|
f.PodClient().Delete(pod.Name, &metav1.DeleteOptions{GracePeriodSeconds: &gp})
|
|
if err == nil {
|
|
break
|
|
}
|
|
<-time.After(10 * time.Second)
|
|
}
|
|
Expect(err).NotTo(HaveOccurred())
|
|
})
|
|
})
|
|
})
|
|
})
|
|
})
|