Files
kubernetes/test/e2e/gke_local_ssd.go
k8s-merge-robot 7ea1a25490 Merge pull request #26862 from fabioy/node_pool_test
Automatic merge from submit-queue

Add GKE node pool e2e test. Fix GKE local SSD test to only run under GKE.

Just adding a node pool e2e test for GKE runs. And minor fix to local SSD test to only run under GKE.

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2016-06-18 14:50:45 -07:00

112 lines
3.1 KiB
Go

/*
Copyright 2016 The Kubernetes Authors All rights reserved.
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
import (
"fmt"
"os/exec"
"k8s.io/kubernetes/pkg/api"
"k8s.io/kubernetes/pkg/api/unversioned"
"k8s.io/kubernetes/pkg/apimachinery/registered"
"k8s.io/kubernetes/pkg/util"
"k8s.io/kubernetes/test/e2e/framework"
. "github.com/onsi/ginkgo"
)
var _ = framework.KubeDescribe("GKE local SSD [Feature:GKELocalSSD]", func() {
f := framework.NewDefaultFramework("localssd")
BeforeEach(func() {
framework.SkipUnlessProviderIs("gke")
})
It("should write and read from node local SSD [Feature:GKELocalSSD]", func() {
framework.Logf("Start local SSD test")
createNodePoolWithLocalSsds("np-ssd")
doTestWriteAndReadToLocalSsd(f)
})
})
func createNodePoolWithLocalSsds(nodePoolName string) {
framework.Logf("Create node pool: %s with local SSDs in cluster: %s ",
nodePoolName, framework.TestContext.CloudConfig.Cluster)
out, err := exec.Command("gcloud", "alpha", "container", "node-pools", "create",
nodePoolName,
fmt.Sprintf("--cluster=%s", framework.TestContext.CloudConfig.Cluster),
"--local-ssd-count=1").CombinedOutput()
if err != nil {
framework.Failf("Failed to create node pool %s: Err: %v\n%v", nodePoolName, err, string(out))
}
framework.Logf("Successfully created node pool %s:\n%v", nodePoolName, string(out))
}
func doTestWriteAndReadToLocalSsd(f *framework.Framework) {
var pod = testPodWithSsd("echo 'hello world' > /mnt/disks/ssd0/data && sleep 1 && cat /mnt/disks/ssd0/data")
var msg string
var out = []string{"hello world"}
f.TestContainerOutput(msg, pod, 0, out)
}
func testPodWithSsd(command string) *api.Pod {
containerName := "test-container"
volumeName := "test-ssd-volume"
path := "/mnt/disks/ssd0"
podName := "pod-" + string(util.NewUUID())
image := "ubuntu:14.04"
return &api.Pod{
TypeMeta: unversioned.TypeMeta{
Kind: "Pod",
APIVersion: registered.GroupOrDie(api.GroupName).GroupVersion.String(),
},
ObjectMeta: api.ObjectMeta{
Name: podName,
},
Spec: api.PodSpec{
Containers: []api.Container{
{
Name: containerName,
Image: image,
Command: []string{"/bin/sh"},
Args: []string{"-c", command},
VolumeMounts: []api.VolumeMount{
{
Name: volumeName,
MountPath: path,
},
},
},
},
RestartPolicy: api.RestartPolicyNever,
Volumes: []api.Volume{
{
Name: volumeName,
VolumeSource: api.VolumeSource{
HostPath: &api.HostPathVolumeSource{
Path: path,
},
},
},
},
NodeSelector: map[string]string{"cloud.google.com/gke-local-ssd": "true"},
},
}
}