c0c6b082b8
Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>. Allow Ceph server some time to start Ceph server needs to create our "foo" volume on startup. It keeps the image small, however it makes the server container start slow. Add sleep before the server is usable. Without this PR, all pods that use Ceph fail to start for couple of seconds with cryptic "image foo not found" error and it clutters logs and pod logs and makes it harder to spot real errors. ```release-note NONE ``` /sig storage /sig testing /assign @jeffvance @copejon
641 lines
19 KiB
Go
641 lines
19 KiB
Go
/*
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Copyright 2015 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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/*
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* This test checks that various VolumeSources are working.
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*
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* There are two ways, how to test the volumes:
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* 1) With containerized server (NFS, Ceph, Gluster, iSCSI, ...)
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* The test creates a server pod, exporting simple 'index.html' file.
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* Then it uses appropriate VolumeSource to import this file into a client pod
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* and checks that the pod can see the file. It does so by importing the file
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* into web server root and loadind the index.html from it.
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*
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* These tests work only when privileged containers are allowed, exporting
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* various filesystems (NFS, GlusterFS, ...) usually needs some mounting or
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* other privileged magic in the server pod.
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*
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* Note that the server containers are for testing purposes only and should not
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* be used in production.
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*
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* 2) With server outside of Kubernetes (Cinder, ...)
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* Appropriate server (e.g. OpenStack Cinder) must exist somewhere outside
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* the tested Kubernetes cluster. The test itself creates a new volume,
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* and checks, that Kubernetes can use it as a volume.
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*/
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// test/e2e/common/volumes.go duplicates the GlusterFS test from this file. Any changes made to this
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// test should be made there as well.
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package storage
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import (
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"os/exec"
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"strings"
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"time"
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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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"k8s.io/api/core/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/types"
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clientset "k8s.io/client-go/kubernetes"
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kubeletapis "k8s.io/kubernetes/pkg/kubelet/apis"
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"k8s.io/kubernetes/test/e2e/framework"
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"k8s.io/kubernetes/test/e2e/storage/utils"
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vspheretest "k8s.io/kubernetes/test/e2e/storage/vsphere"
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imageutils "k8s.io/kubernetes/test/utils/image"
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)
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func DeleteCinderVolume(name string) error {
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// Try to delete the volume for several seconds - it takes
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// a while for the plugin to detach it.
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var output []byte
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var err error
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timeout := time.Second * 120
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framework.Logf("Waiting up to %v for removal of cinder volume %s", timeout, name)
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for start := time.Now(); time.Since(start) < timeout; time.Sleep(5 * time.Second) {
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output, err = exec.Command("cinder", "delete", name).CombinedOutput()
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if err == nil {
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framework.Logf("Cinder volume %s deleted", name)
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return nil
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} else {
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framework.Logf("Failed to delete volume %s: %v", name, err)
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}
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}
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framework.Logf("Giving up deleting volume %s: %v\n%s", name, err, string(output[:]))
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return err
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}
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// These tests need privileged containers, which are disabled by default.
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var _ = utils.SIGDescribe("Volumes", func() {
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f := framework.NewDefaultFramework("volume")
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// note that namespace deletion is handled by delete-namespace flag
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// filled inside BeforeEach
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var cs clientset.Interface
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var namespace *v1.Namespace
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BeforeEach(func() {
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cs = f.ClientSet
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namespace = f.Namespace
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})
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////////////////////////////////////////////////////////////////////////
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// NFS
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////////////////////////////////////////////////////////////////////////
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Describe("NFS", func() {
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It("should be mountable", func() {
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config, _, serverIP := framework.NewNFSServer(cs, namespace.Name, []string{})
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defer framework.VolumeTestCleanup(f, config)
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tests := []framework.VolumeTest{
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{
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Volume: v1.VolumeSource{
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NFS: &v1.NFSVolumeSource{
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Server: serverIP,
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Path: "/",
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ReadOnly: true,
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},
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},
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File: "index.html",
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// Must match content of test/images/volumes-tester/nfs/index.html
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ExpectedContent: "Hello from NFS!",
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},
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}
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framework.TestVolumeClient(cs, config, nil, tests)
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})
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})
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////////////////////////////////////////////////////////////////////////
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// Gluster
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////////////////////////////////////////////////////////////////////////
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Describe("GlusterFS", func() {
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It("should be mountable", func() {
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//TODO (copejon) GFS is not supported on debian image.
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framework.SkipUnlessNodeOSDistroIs("gci", "ubuntu")
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// create gluster server and endpoints
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config, _, _ := framework.NewGlusterfsServer(cs, namespace.Name)
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name := config.Prefix + "-server"
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defer func() {
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framework.VolumeTestCleanup(f, config)
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err := cs.CoreV1().Endpoints(namespace.Name).Delete(name, nil)
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Expect(err).NotTo(HaveOccurred(), "defer: Gluster delete endpoints failed")
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}()
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tests := []framework.VolumeTest{
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{
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Volume: v1.VolumeSource{
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Glusterfs: &v1.GlusterfsVolumeSource{
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EndpointsName: name,
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// 'test_vol' comes from test/images/volumes-tester/gluster/run_gluster.sh
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Path: "test_vol",
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ReadOnly: true,
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},
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},
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File: "index.html",
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// Must match content of test/images/volumes-tester/gluster/index.html
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ExpectedContent: "Hello from GlusterFS!",
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},
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}
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framework.TestVolumeClient(cs, config, nil, tests)
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})
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})
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////////////////////////////////////////////////////////////////////////
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// iSCSI
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////////////////////////////////////////////////////////////////////////
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// The test needs privileged containers, which are disabled by default.
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// Also, make sure that iscsiadm utility and iscsi target kernel modules
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// are installed on all nodes!
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// Run the test with "go run hack/e2e.go ... --ginkgo.focus=iSCSI"
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Describe("iSCSI [Feature:Volumes]", func() {
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It("should be mountable", func() {
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config, _, serverIP := framework.NewISCSIServer(cs, namespace.Name)
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defer framework.VolumeTestCleanup(f, config)
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tests := []framework.VolumeTest{
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{
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Volume: v1.VolumeSource{
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ISCSI: &v1.ISCSIVolumeSource{
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TargetPortal: serverIP + ":3260",
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// from test/images/volumes-tester/iscsi/initiatorname.iscsi
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IQN: "iqn.2003-01.org.linux-iscsi.f21.x8664:sn.4b0aae584f7c",
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Lun: 0,
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FSType: "ext2",
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},
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},
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File: "index.html",
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// Must match content of test/images/volumes-tester/iscsi/block.tar.gz
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ExpectedContent: "Hello from iSCSI",
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},
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}
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fsGroup := int64(1234)
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framework.TestVolumeClient(cs, config, &fsGroup, tests)
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})
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})
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////////////////////////////////////////////////////////////////////////
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// Ceph RBD
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////////////////////////////////////////////////////////////////////////
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Describe("Ceph RBD [Feature:Volumes]", func() {
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It("should be mountable", func() {
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config, _, serverIP := framework.NewRBDServer(cs, namespace.Name)
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defer framework.VolumeTestCleanup(f, config)
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// create secrets for the server
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secret := v1.Secret{
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TypeMeta: metav1.TypeMeta{
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Kind: "Secret",
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APIVersion: "v1",
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},
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ObjectMeta: metav1.ObjectMeta{
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Name: config.Prefix + "-secret",
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},
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Data: map[string][]byte{
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// from test/images/volumes-tester/rbd/keyring
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"key": []byte("AQDRrKNVbEevChAAEmRC+pW/KBVHxa0w/POILA=="),
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},
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Type: "kubernetes.io/rbd",
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}
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secClient := cs.CoreV1().Secrets(config.Namespace)
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defer func() {
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secClient.Delete(config.Prefix+"-secret", nil)
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}()
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if _, err := secClient.Create(&secret); err != nil {
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framework.Failf("Failed to create secrets for Ceph RBD: %v", err)
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}
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tests := []framework.VolumeTest{
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{
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Volume: v1.VolumeSource{
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RBD: &v1.RBDVolumeSource{
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CephMonitors: []string{serverIP},
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RBDPool: "rbd",
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RBDImage: "foo",
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RadosUser: "admin",
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SecretRef: &v1.LocalObjectReference{
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Name: config.Prefix + "-secret",
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},
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FSType: "ext2",
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},
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},
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File: "index.html",
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// Must match content of test/images/volumes-tester/rbd/create_block.sh
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ExpectedContent: "Hello from RBD",
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},
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}
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fsGroup := int64(1234)
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framework.TestVolumeClient(cs, config, &fsGroup, tests)
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})
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})
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////////////////////////////////////////////////////////////////////////
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// Ceph
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////////////////////////////////////////////////////////////////////////
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Describe("CephFS [Feature:Volumes]", func() {
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It("should be mountable", func() {
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config := framework.VolumeTestConfig{
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Namespace: namespace.Name,
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Prefix: "cephfs",
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ServerImage: imageutils.GetE2EImage(imageutils.VolumeCephServer),
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ServerPorts: []int{6789},
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}
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defer framework.VolumeTestCleanup(f, config)
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_, serverIP := framework.CreateStorageServer(cs, config)
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By("sleeping a bit to give ceph server time to initialize")
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time.Sleep(framework.VolumeServerPodStartupSleep)
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// create ceph secret
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secret := &v1.Secret{
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TypeMeta: metav1.TypeMeta{
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Kind: "Secret",
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APIVersion: "v1",
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},
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ObjectMeta: metav1.ObjectMeta{
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Name: config.Prefix + "-secret",
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},
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// Must use the ceph keyring at contrib/for-tests/volumes-ceph/ceph/init.sh
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// and encode in base64
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Data: map[string][]byte{
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"key": []byte("AQAMgXhVwBCeDhAA9nlPaFyfUSatGD4drFWDvQ=="),
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},
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Type: "kubernetes.io/cephfs",
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}
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defer func() {
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if err := cs.CoreV1().Secrets(namespace.Name).Delete(secret.Name, nil); err != nil {
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framework.Failf("unable to delete secret %v: %v", secret.Name, err)
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}
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}()
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var err error
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if secret, err = cs.CoreV1().Secrets(namespace.Name).Create(secret); err != nil {
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framework.Failf("unable to create test secret %s: %v", secret.Name, err)
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}
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tests := []framework.VolumeTest{
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{
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Volume: v1.VolumeSource{
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CephFS: &v1.CephFSVolumeSource{
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Monitors: []string{serverIP + ":6789"},
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User: "kube",
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SecretRef: &v1.LocalObjectReference{Name: config.Prefix + "-secret"},
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ReadOnly: true,
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},
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},
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File: "index.html",
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// Must match content of test/images/volumes-tester/ceph/index.html
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ExpectedContent: "Hello Ceph!",
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},
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}
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framework.TestVolumeClient(cs, config, nil, tests)
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})
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})
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////////////////////////////////////////////////////////////////////////
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// OpenStack Cinder
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////////////////////////////////////////////////////////////////////////
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// This test assumes that OpenStack client tools are installed
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// (/usr/bin/nova, /usr/bin/cinder and /usr/bin/keystone)
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// and that the usual OpenStack authentication env. variables are set
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// (OS_USERNAME, OS_PASSWORD, OS_TENANT_NAME at least).
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Describe("Cinder [Feature:Volumes]", func() {
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It("should be mountable", func() {
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framework.SkipUnlessProviderIs("openstack")
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config := framework.VolumeTestConfig{
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Namespace: namespace.Name,
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Prefix: "cinder",
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}
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// We assume that namespace.Name is a random string
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volumeName := namespace.Name
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By("creating a test Cinder volume")
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output, err := exec.Command("cinder", "create", "--display-name="+volumeName, "1").CombinedOutput()
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outputString := string(output[:])
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framework.Logf("cinder output:\n%s", outputString)
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Expect(err).NotTo(HaveOccurred())
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defer DeleteCinderVolume(volumeName)
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// Parse 'id'' from stdout. Expected format:
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// | attachments | [] |
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// | availability_zone | nova |
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// ...
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// | id | 1d6ff08f-5d1c-41a4-ad72-4ef872cae685 |
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volumeID := ""
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for _, line := range strings.Split(outputString, "\n") {
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fields := strings.Fields(line)
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if len(fields) != 5 {
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continue
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}
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if fields[1] != "id" {
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continue
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}
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volumeID = fields[3]
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break
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}
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framework.Logf("Volume ID: %s", volumeID)
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Expect(volumeID).NotTo(Equal(""))
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defer func() {
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framework.Logf("Running volumeTestCleanup")
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framework.VolumeTestCleanup(f, config)
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}()
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tests := []framework.VolumeTest{
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{
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Volume: v1.VolumeSource{
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Cinder: &v1.CinderVolumeSource{
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VolumeID: volumeID,
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FSType: "ext3",
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ReadOnly: false,
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},
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},
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File: "index.html",
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// Randomize index.html to make sure we don't see the
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// content from previous test runs.
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ExpectedContent: "Hello from Cinder from namespace " + volumeName,
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},
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}
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framework.InjectHtml(cs, config, tests[0].Volume, tests[0].ExpectedContent)
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fsGroup := int64(1234)
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framework.TestVolumeClient(cs, config, &fsGroup, tests)
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})
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})
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////////////////////////////////////////////////////////////////////////
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// GCE PD
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////////////////////////////////////////////////////////////////////////
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Describe("PD", func() {
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var config framework.VolumeTestConfig
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BeforeEach(func() {
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framework.SkipUnlessProviderIs("gce", "gke")
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config = framework.VolumeTestConfig{
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Namespace: namespace.Name,
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Prefix: "pd",
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// PD will be created in framework.TestContext.CloudConfig.Zone zone,
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// so pods should be also scheduled there.
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NodeSelector: map[string]string{
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kubeletapis.LabelZoneFailureDomain: framework.TestContext.CloudConfig.Zone,
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},
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}
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})
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It("should be mountable with ext3", func() {
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testGCEPD(f, config, cs, "ext3")
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})
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It("should be mountable with ext4", func() {
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testGCEPD(f, config, cs, "ext4")
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})
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It("should be mountable with xfs", func() {
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// xfs is not supported on gci
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// and not installed by default on debian
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framework.SkipUnlessNodeOSDistroIs("ubuntu")
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testGCEPD(f, config, cs, "xfs")
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})
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})
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|
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////////////////////////////////////////////////////////////////////////
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// ConfigMap
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////////////////////////////////////////////////////////////////////////
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Describe("ConfigMap", func() {
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It("should be mountable", func() {
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config := framework.VolumeTestConfig{
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Namespace: namespace.Name,
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Prefix: "configmap",
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}
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defer framework.VolumeTestCleanup(f, config)
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configMap := &v1.ConfigMap{
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TypeMeta: metav1.TypeMeta{
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Kind: "ConfigMap",
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APIVersion: "v1",
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},
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ObjectMeta: metav1.ObjectMeta{
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Name: config.Prefix + "-map",
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},
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Data: map[string]string{
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"first": "this is the first file",
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"second": "this is the second file",
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"third": "this is the third file",
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},
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}
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if _, err := cs.CoreV1().ConfigMaps(namespace.Name).Create(configMap); err != nil {
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framework.Failf("unable to create test configmap: %v", err)
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}
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defer func() {
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_ = cs.CoreV1().ConfigMaps(namespace.Name).Delete(configMap.Name, nil)
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}()
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|
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// Test one ConfigMap mounted several times to test #28502
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tests := []framework.VolumeTest{
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{
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Volume: v1.VolumeSource{
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ConfigMap: &v1.ConfigMapVolumeSource{
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LocalObjectReference: v1.LocalObjectReference{
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Name: config.Prefix + "-map",
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},
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Items: []v1.KeyToPath{
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{
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Key: "first",
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Path: "firstfile",
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},
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},
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},
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},
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File: "firstfile",
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ExpectedContent: "this is the first file",
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},
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{
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Volume: v1.VolumeSource{
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ConfigMap: &v1.ConfigMapVolumeSource{
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LocalObjectReference: v1.LocalObjectReference{
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Name: config.Prefix + "-map",
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},
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Items: []v1.KeyToPath{
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{
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Key: "second",
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Path: "secondfile",
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},
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},
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},
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},
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File: "secondfile",
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ExpectedContent: "this is the second file",
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},
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}
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framework.TestVolumeClient(cs, config, nil, tests)
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})
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})
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|
|
////////////////////////////////////////////////////////////////////////
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// vSphere
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////////////////////////////////////////////////////////////////////////
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Describe("vsphere [Feature:Volumes]", func() {
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It("should be mountable", func() {
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framework.SkipUnlessProviderIs("vsphere")
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var volumePath string
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config := framework.VolumeTestConfig{
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Namespace: namespace.Name,
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Prefix: "vsphere",
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}
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By("creating a test vsphere volume")
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c, err := framework.LoadClientset()
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if err != nil {
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return
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}
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vsp, err := vspheretest.GetVSphere(c)
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Expect(err).NotTo(HaveOccurred())
|
|
|
|
volumePath, err = vspheretest.CreateVSphereVolume(vsp, nil)
|
|
Expect(err).NotTo(HaveOccurred())
|
|
|
|
defer func() {
|
|
vsp.DeleteVolume(volumePath)
|
|
}()
|
|
|
|
defer func() {
|
|
framework.Logf("Running volumeTestCleanup")
|
|
framework.VolumeTestCleanup(f, config)
|
|
}()
|
|
|
|
tests := []framework.VolumeTest{
|
|
{
|
|
Volume: v1.VolumeSource{
|
|
VsphereVolume: &v1.VsphereVirtualDiskVolumeSource{
|
|
VolumePath: volumePath,
|
|
FSType: "ext4",
|
|
},
|
|
},
|
|
File: "index.html",
|
|
// Randomize index.html to make sure we don't see the
|
|
// content from previous test runs.
|
|
ExpectedContent: "Hello from vSphere from namespace " + namespace.Name,
|
|
},
|
|
}
|
|
|
|
framework.InjectHtml(cs, config, tests[0].Volume, tests[0].ExpectedContent)
|
|
|
|
fsGroup := int64(1234)
|
|
framework.TestVolumeClient(cs, config, &fsGroup, tests)
|
|
})
|
|
})
|
|
|
|
////////////////////////////////////////////////////////////////////////
|
|
// Azure Disk
|
|
////////////////////////////////////////////////////////////////////////
|
|
Describe("Azure Disk [Feature:Volumes]", func() {
|
|
It("should be mountable [Slow]", func() {
|
|
framework.SkipUnlessProviderIs("azure")
|
|
config := framework.VolumeTestConfig{
|
|
Namespace: namespace.Name,
|
|
Prefix: "azure",
|
|
}
|
|
|
|
By("creating a test azure disk volume")
|
|
volumeName, err := framework.CreatePDWithRetry()
|
|
Expect(err).NotTo(HaveOccurred())
|
|
defer func() {
|
|
framework.DeletePDWithRetry(volumeName)
|
|
}()
|
|
|
|
defer func() {
|
|
framework.Logf("Running volumeTestCleanup")
|
|
framework.VolumeTestCleanup(f, config)
|
|
}()
|
|
fsType := "ext4"
|
|
readOnly := false
|
|
diskName := volumeName[(strings.LastIndex(volumeName, "/") + 1):]
|
|
tests := []framework.VolumeTest{
|
|
{
|
|
Volume: v1.VolumeSource{
|
|
AzureDisk: &v1.AzureDiskVolumeSource{
|
|
DiskName: diskName,
|
|
DataDiskURI: volumeName,
|
|
FSType: &fsType,
|
|
ReadOnly: &readOnly,
|
|
},
|
|
},
|
|
File: "index.html",
|
|
// Randomize index.html to make sure we don't see the
|
|
// content from previous test runs.
|
|
ExpectedContent: "Hello from Azure from namespace " + volumeName,
|
|
},
|
|
}
|
|
|
|
framework.InjectHtml(cs, config, tests[0].Volume, tests[0].ExpectedContent)
|
|
|
|
fsGroup := int64(1234)
|
|
framework.TestVolumeClient(cs, config, &fsGroup, tests)
|
|
})
|
|
})
|
|
})
|
|
|
|
func testGCEPD(f *framework.Framework, config framework.VolumeTestConfig, cs clientset.Interface, fs string) {
|
|
By("creating a test gce pd volume")
|
|
volumeName, err := framework.CreatePDWithRetry()
|
|
Expect(err).NotTo(HaveOccurred())
|
|
defer func() {
|
|
// - Get NodeName from the pod spec to which the volume is mounted.
|
|
// - Force detach and delete.
|
|
pod, err := f.PodClient().Get(config.Prefix+"-client", metav1.GetOptions{})
|
|
Expect(err).NotTo(HaveOccurred(), "Failed getting pod %q.", config.Prefix+"-client")
|
|
detachAndDeletePDs(volumeName, []types.NodeName{types.NodeName(pod.Spec.NodeName)})
|
|
}()
|
|
|
|
defer func() {
|
|
framework.Logf("Running volumeTestCleanup")
|
|
framework.VolumeTestCleanup(f, config)
|
|
}()
|
|
|
|
tests := []framework.VolumeTest{
|
|
{
|
|
Volume: v1.VolumeSource{
|
|
GCEPersistentDisk: &v1.GCEPersistentDiskVolumeSource{
|
|
PDName: volumeName,
|
|
FSType: fs,
|
|
ReadOnly: false,
|
|
},
|
|
},
|
|
File: "index.html",
|
|
// Randomize index.html to make sure we don't see the
|
|
// content from previous test runs.
|
|
ExpectedContent: "Hello from GCE from namespace " + volumeName,
|
|
},
|
|
}
|
|
|
|
framework.InjectHtml(cs, config, tests[0].Volume, tests[0].ExpectedContent)
|
|
|
|
fsGroup := int64(1234)
|
|
framework.TestVolumeClient(cs, config, &fsGroup, tests)
|
|
}
|