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Add pod local ephemeral storage usage e2e test cases

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This commit is contained in:
NickrenREN 2017-08-29 10:20:28 +08:00
parent 9fadd3bd9a
commit 4ca27417d9
1 changed files with 134 additions and 2 deletions
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136
test/e2e_node/local_storage_isolation_eviction_test.go
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@ -36,7 +36,7 @@ type podEvictSpec struct {
}
const (
totalEvict = 4
totalEvict = 7
)
// Eviction Policy is described here:
@ -47,6 +47,9 @@ var _ = framework.KubeDescribe("LocalStorageCapacityIsolationEviction [Slow] [Se
f := framework.NewDefaultFramework("localstorage-eviction-test")
emptyDirVolumeName := "volume-emptydir-pod"
gitRepoVolumeName := "volume-gitrepo-pod"
configMapVolumeName := "volume-configmap-pod"
downwardAPIVolumeName := "volume-downwardapi-pod"
podTestSpecs := []podEvictSpec{
{evicted: true, // This pod should be evicted because emptyDir (default storage type) usage violation
pod: v1.Pod{
@ -226,10 +229,139 @@ var _ = framework.KubeDescribe("LocalStorageCapacityIsolationEviction [Slow] [Se
},
},
},
{evicted: true, // This pod should be evicted because pod ephemeral storage usage violation
pod: v1.Pod{
ObjectMeta: metav1.ObjectMeta{Name: "downward-api-container-hog-pod"},
Spec: v1.PodSpec{
RestartPolicy: v1.RestartPolicyNever,
Containers: []v1.Container{
{
Image: "gcr.io/google_containers/busybox:1.24",
Name: "downward-api-container-hog-pod",
Command: []string{
"sh",
"-c",
"sleep 5; dd if=/dev/urandom of=target-file of=/cache/target-file bs=50000 count=1; while true; do sleep 5; done",
},
Resources: v1.ResourceRequirements{
Limits: v1.ResourceList{
v1.ResourceEphemeralStorage: *resource.NewMilliQuantity(
int64(40000),
resource.BinarySI),
},
},
VolumeMounts: []v1.VolumeMount{
{
Name: downwardAPIVolumeName,
MountPath: "/cache",
},
},
},
},
Volumes: []v1.Volume{
{
Name: downwardAPIVolumeName,
VolumeSource: v1.VolumeSource{
DownwardAPI: &v1.DownwardAPIVolumeSource{},
},
},
},
},
},
},
{evicted: true, // This pod should be evicted because pod ephemeral storage usage violation
pod: v1.Pod{
ObjectMeta: metav1.ObjectMeta{Name: "configmap-container-hog-pod"},
Spec: v1.PodSpec{
RestartPolicy: v1.RestartPolicyNever,
Containers: []v1.Container{
{
Image: "gcr.io/google_containers/busybox:1.24",
Name: "configmap-container-hog-pod",
Command: []string{
"sh",
"-c",
"sleep 5; dd if=/dev/urandom of=target-file of=/cache/target-file bs=50000 count=1; while true; do sleep 5; done",
},
Resources: v1.ResourceRequirements{
Limits: v1.ResourceList{
v1.ResourceEphemeralStorage: *resource.NewMilliQuantity(
int64(40000),
resource.BinarySI),
},
},
VolumeMounts: []v1.VolumeMount{
{
Name: configMapVolumeName,
MountPath: "/cache",
},
},
},
},
Volumes: []v1.Volume{
{
Name: configMapVolumeName,
VolumeSource: v1.VolumeSource{
ConfigMap: &v1.ConfigMapVolumeSource{
LocalObjectReference: v1.LocalObjectReference{
Name: "my-cfgmap",
},
},
},
},
},
},
},
},
{evicted: true, // This pod should be evicted because pod ephemeral storage usage violation
pod: v1.Pod{
ObjectMeta: metav1.ObjectMeta{Name: "gitrepo-container-hog-pod"},
Spec: v1.PodSpec{
RestartPolicy: v1.RestartPolicyNever,
Containers: []v1.Container{
{
Image: "gcr.io/google_containers/busybox:1.24",
Name: "gitrepo-container-hog-pod",
Command: []string{
"sh",
"-c",
"sleep 5; dd if=/dev/urandom of=target-file of=/cache/target-file bs=50000 count=1; while true; do sleep 5; done",
},
Resources: v1.ResourceRequirements{
Limits: v1.ResourceList{
v1.ResourceEphemeralStorage: *resource.NewMilliQuantity(
int64(40000),
resource.BinarySI),
},
},
VolumeMounts: []v1.VolumeMount{
{
Name: gitRepoVolumeName,
MountPath: "/cache",
},
},
},
},
Volumes: []v1.Volume{
{
Name: gitRepoVolumeName,
VolumeSource: v1.VolumeSource{
GitRepo: &v1.GitRepoVolumeSource{
Repository: "my-repo",
},
},
},
},
},
},
},
}
evictionTestTimeout := 10 * time.Minute
testCondition := "EmptyDir/ContainerContainerEphemeralStorage usage limit violation"
testCondition := "PodLocalEphemeralStorage/ContainerLocalEphemeralStorage usage limit violation"
Context(fmt.Sprintf("EmptyDirEviction when we run containers that should cause %s", testCondition), func() {
tempSetCurrentKubeletConfig(f, func(initialConfig *kubeletconfig.KubeletConfiguration) {
initialConfig.FeatureGates += ", LocalStorageCapacityIsolation=true"