591 lines
16 KiB
Go
591 lines
16 KiB
Go
/*
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Copyright 2014 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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package glusterfs
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import (
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"fmt"
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"os"
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"reflect"
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"testing"
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gapi "github.com/heketi/heketi/pkg/glusterfs/api"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/apimachinery/pkg/types"
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"k8s.io/kubernetes/pkg/api/v1"
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"k8s.io/kubernetes/pkg/client/clientset_generated/clientset/fake"
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"k8s.io/kubernetes/pkg/client/testing/core"
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"k8s.io/kubernetes/pkg/util/exec"
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"k8s.io/kubernetes/pkg/util/mount"
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utiltesting "k8s.io/kubernetes/pkg/util/testing"
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"k8s.io/kubernetes/pkg/volume"
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volumetest "k8s.io/kubernetes/pkg/volume/testing"
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)
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func TestCanSupport(t *testing.T) {
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tmpDir, err := utiltesting.MkTmpdir("glusterfs_test")
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if err != nil {
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t.Fatalf("error creating temp dir: %v", err)
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}
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defer os.RemoveAll(tmpDir)
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plugMgr := volume.VolumePluginMgr{}
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plugMgr.InitPlugins(ProbeVolumePlugins(), volumetest.NewFakeVolumeHost(tmpDir, nil, nil))
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plug, err := plugMgr.FindPluginByName("kubernetes.io/glusterfs")
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if err != nil {
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t.Errorf("Can't find the plugin by name")
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}
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if plug.GetPluginName() != "kubernetes.io/glusterfs" {
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t.Errorf("Wrong name: %s", plug.GetPluginName())
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}
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if plug.CanSupport(&volume.Spec{PersistentVolume: &v1.PersistentVolume{Spec: v1.PersistentVolumeSpec{PersistentVolumeSource: v1.PersistentVolumeSource{}}}}) {
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t.Errorf("Expected false")
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}
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if plug.CanSupport(&volume.Spec{Volume: &v1.Volume{VolumeSource: v1.VolumeSource{}}}) {
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t.Errorf("Expected false")
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}
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}
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func TestGetAccessModes(t *testing.T) {
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tmpDir, err := utiltesting.MkTmpdir("glusterfs_test")
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if err != nil {
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t.Fatalf("error creating temp dir: %v", err)
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}
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defer os.RemoveAll(tmpDir)
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plugMgr := volume.VolumePluginMgr{}
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plugMgr.InitPlugins(ProbeVolumePlugins(), volumetest.NewFakeVolumeHost(tmpDir, nil, nil))
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plug, err := plugMgr.FindPersistentPluginByName("kubernetes.io/glusterfs")
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if err != nil {
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t.Errorf("Can't find the plugin by name")
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}
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if !contains(plug.GetAccessModes(), v1.ReadWriteOnce) || !contains(plug.GetAccessModes(), v1.ReadOnlyMany) || !contains(plug.GetAccessModes(), v1.ReadWriteMany) {
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t.Errorf("Expected three AccessModeTypes: %s, %s, and %s", v1.ReadWriteOnce, v1.ReadOnlyMany, v1.ReadWriteMany)
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}
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}
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func contains(modes []v1.PersistentVolumeAccessMode, mode v1.PersistentVolumeAccessMode) bool {
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for _, m := range modes {
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if m == mode {
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return true
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}
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}
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return false
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}
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func doTestPlugin(t *testing.T, spec *volume.Spec) {
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tmpDir, err := utiltesting.MkTmpdir("glusterfs_test")
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if err != nil {
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t.Fatalf("error creating temp dir: %v", err)
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}
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defer os.RemoveAll(tmpDir)
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plugMgr := volume.VolumePluginMgr{}
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plugMgr.InitPlugins(ProbeVolumePlugins(), volumetest.NewFakeVolumeHost(tmpDir, nil, nil))
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plug, err := plugMgr.FindPluginByName("kubernetes.io/glusterfs")
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if err != nil {
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t.Errorf("Can't find the plugin by name")
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}
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ep := &v1.Endpoints{ObjectMeta: v1.ObjectMeta{Name: "foo"}, Subsets: []v1.EndpointSubset{{
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Addresses: []v1.EndpointAddress{{IP: "127.0.0.1"}}}}}
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var fcmd exec.FakeCmd
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fcmd = exec.FakeCmd{
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CombinedOutputScript: []exec.FakeCombinedOutputAction{
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// mount
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func() ([]byte, error) {
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return []byte{}, nil
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},
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},
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}
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fake := exec.FakeExec{
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CommandScript: []exec.FakeCommandAction{
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func(cmd string, args ...string) exec.Cmd { return exec.InitFakeCmd(&fcmd, cmd, args...) },
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},
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}
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pod := &v1.Pod{ObjectMeta: v1.ObjectMeta{UID: types.UID("poduid")}}
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mounter, err := plug.(*glusterfsPlugin).newMounterInternal(spec, ep, pod, &mount.FakeMounter{}, &fake)
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volumePath := mounter.GetPath()
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if err != nil {
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t.Errorf("Failed to make a new Mounter: %v", err)
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}
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if mounter == nil {
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t.Error("Got a nil Mounter")
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}
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path := mounter.GetPath()
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expectedPath := fmt.Sprintf("%s/pods/poduid/volumes/kubernetes.io~glusterfs/vol1", tmpDir)
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if path != expectedPath {
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t.Errorf("Unexpected path, expected %q, got: %q", expectedPath, path)
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}
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if err := mounter.SetUp(nil); err != nil {
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t.Errorf("Expected success, got: %v", err)
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}
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if _, err := os.Stat(volumePath); err != nil {
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if os.IsNotExist(err) {
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t.Errorf("SetUp() failed, volume path not created: %s", volumePath)
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} else {
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t.Errorf("SetUp() failed: %v", err)
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}
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}
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unmounter, err := plug.(*glusterfsPlugin).newUnmounterInternal("vol1", types.UID("poduid"), &mount.FakeMounter{})
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if err != nil {
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t.Errorf("Failed to make a new Unmounter: %v", err)
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}
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if unmounter == nil {
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t.Error("Got a nil Unmounter")
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}
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if err := unmounter.TearDown(); err != nil {
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t.Errorf("Expected success, got: %v", err)
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}
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if _, err := os.Stat(volumePath); err == nil {
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t.Errorf("TearDown() failed, volume path still exists: %s", volumePath)
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} else if !os.IsNotExist(err) {
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t.Errorf("SetUp() failed: %v", err)
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}
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}
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func TestPluginVolume(t *testing.T) {
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vol := &v1.Volume{
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Name: "vol1",
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VolumeSource: v1.VolumeSource{Glusterfs: &v1.GlusterfsVolumeSource{EndpointsName: "ep", Path: "vol", ReadOnly: false}},
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}
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doTestPlugin(t, volume.NewSpecFromVolume(vol))
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}
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func TestPluginPersistentVolume(t *testing.T) {
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vol := &v1.PersistentVolume{
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ObjectMeta: v1.ObjectMeta{
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Name: "vol1",
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},
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Spec: v1.PersistentVolumeSpec{
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PersistentVolumeSource: v1.PersistentVolumeSource{
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Glusterfs: &v1.GlusterfsVolumeSource{EndpointsName: "ep", Path: "vol", ReadOnly: false},
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},
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},
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}
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doTestPlugin(t, volume.NewSpecFromPersistentVolume(vol, false))
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}
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func TestPersistentClaimReadOnlyFlag(t *testing.T) {
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tmpDir, err := utiltesting.MkTmpdir("glusterfs_test")
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if err != nil {
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t.Fatalf("error creating temp dir: %v", err)
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}
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defer os.RemoveAll(tmpDir)
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pv := &v1.PersistentVolume{
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ObjectMeta: v1.ObjectMeta{
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Name: "pvA",
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},
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Spec: v1.PersistentVolumeSpec{
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PersistentVolumeSource: v1.PersistentVolumeSource{
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Glusterfs: &v1.GlusterfsVolumeSource{EndpointsName: "ep", Path: "vol", ReadOnly: false},
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},
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ClaimRef: &v1.ObjectReference{
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Name: "claimA",
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},
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},
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}
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claim := &v1.PersistentVolumeClaim{
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ObjectMeta: v1.ObjectMeta{
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Name: "claimA",
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Namespace: "nsA",
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},
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Spec: v1.PersistentVolumeClaimSpec{
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VolumeName: "pvA",
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},
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Status: v1.PersistentVolumeClaimStatus{
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Phase: v1.ClaimBound,
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},
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}
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ep := &v1.Endpoints{
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ObjectMeta: v1.ObjectMeta{
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Namespace: "nsA",
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Name: "ep",
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},
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Subsets: []v1.EndpointSubset{{
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Addresses: []v1.EndpointAddress{{IP: "127.0.0.1"}},
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Ports: []v1.EndpointPort{{Name: "foo", Port: 80, Protocol: v1.ProtocolTCP}},
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}},
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}
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client := fake.NewSimpleClientset(pv, claim, ep)
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plugMgr := volume.VolumePluginMgr{}
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plugMgr.InitPlugins(ProbeVolumePlugins(), volumetest.NewFakeVolumeHost(tmpDir, client, nil))
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plug, _ := plugMgr.FindPluginByName(glusterfsPluginName)
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// readOnly bool is supplied by persistent-claim volume source when its mounter creates other volumes
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spec := volume.NewSpecFromPersistentVolume(pv, true)
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pod := &v1.Pod{ObjectMeta: v1.ObjectMeta{Namespace: "nsA", UID: types.UID("poduid")}}
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mounter, _ := plug.NewMounter(spec, pod, volume.VolumeOptions{})
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if !mounter.GetAttributes().ReadOnly {
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t.Errorf("Expected true for mounter.IsReadOnly")
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}
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}
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func TestParseClassParameters(t *testing.T) {
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secret := v1.Secret{
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Type: "kubernetes.io/glusterfs",
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Data: map[string][]byte{
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"data": []byte("mypassword"),
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},
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}
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tests := []struct {
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name string
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parameters map[string]string
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secret *v1.Secret
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expectError bool
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expectConfig *provisioningConfig
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}{
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{
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"password",
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map[string]string{
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"resturl": "https://localhost:8080",
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"restuser": "admin",
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"restuserkey": "password",
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},
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nil, // secret
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false, // expect error
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&provisioningConfig{
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url: "https://localhost:8080",
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user: "admin",
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userKey: "password",
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secretValue: "password",
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gidMin: 2000,
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gidMax: 2147483647,
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volumeType: gapi.VolumeDurabilityInfo{Type: "replicate", Replicate: gapi.ReplicaDurability{Replica: 3}, Disperse: gapi.DisperseDurability{Data: 0, Redundancy: 0}},
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},
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},
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{
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"secret",
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map[string]string{
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"resturl": "https://localhost:8080",
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"restuser": "admin",
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"secretname": "mysecret",
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"secretnamespace": "default",
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},
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&secret,
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false, // expect error
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&provisioningConfig{
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url: "https://localhost:8080",
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user: "admin",
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secretName: "mysecret",
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secretNamespace: "default",
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secretValue: "mypassword",
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gidMin: 2000,
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gidMax: 2147483647,
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volumeType: gapi.VolumeDurabilityInfo{Type: "replicate", Replicate: gapi.ReplicaDurability{Replica: 3}, Disperse: gapi.DisperseDurability{Data: 0, Redundancy: 0}},
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},
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},
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{
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"no authentication",
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map[string]string{
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"resturl": "https://localhost:8080",
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"restauthenabled": "false",
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},
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&secret,
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false, // expect error
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&provisioningConfig{
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url: "https://localhost:8080",
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gidMin: 2000,
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gidMax: 2147483647,
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volumeType: gapi.VolumeDurabilityInfo{Type: "replicate", Replicate: gapi.ReplicaDurability{Replica: 3}, Disperse: gapi.DisperseDurability{Data: 0, Redundancy: 0}},
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},
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},
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{
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"missing secret",
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map[string]string{
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"resturl": "https://localhost:8080",
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"secretname": "mysecret",
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"secretnamespace": "default",
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},
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nil, // secret
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true, // expect error
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nil,
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},
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{
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"secret with no namespace",
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map[string]string{
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"resturl": "https://localhost:8080",
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"secretname": "mysecret",
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},
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&secret,
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true, // expect error
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nil,
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},
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{
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"missing url",
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map[string]string{
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"restuser": "admin",
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"restuserkey": "password",
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},
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nil, // secret
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true, // expect error
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nil,
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},
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{
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"unknown parameter",
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map[string]string{
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"unknown": "yes",
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"resturl": "https://localhost:8080",
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"restuser": "admin",
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"restuserkey": "password",
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},
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nil, // secret
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true, // expect error
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nil,
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},
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{
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"invalid gidMin #1",
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map[string]string{
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"resturl": "https://localhost:8080",
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"restauthenabled": "false",
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"gidMin": "0",
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},
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&secret,
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true, // expect error
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nil,
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},
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{
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"invalid gidMin #2",
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map[string]string{
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"resturl": "https://localhost:8080",
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"restauthenabled": "false",
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"gidMin": "1999",
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},
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&secret,
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true, // expect error
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nil,
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},
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{
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"invalid gidMin #3",
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map[string]string{
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"resturl": "https://localhost:8080",
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"restauthenabled": "false",
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"gidMin": "1999",
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},
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&secret,
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true, // expect error
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nil,
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},
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{
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"invalid gidMax #1",
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map[string]string{
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"resturl": "https://localhost:8080",
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"restauthenabled": "false",
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"gidMax": "0",
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},
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&secret,
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true, // expect error
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nil,
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},
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{
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"invalid gidMax #2",
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map[string]string{
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"resturl": "https://localhost:8080",
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"restauthenabled": "false",
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"gidMax": "1999",
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},
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&secret,
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true, // expect error
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nil,
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},
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{
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"invalid gidMax #3",
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map[string]string{
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"resturl": "https://localhost:8080",
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"restauthenabled": "false",
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"gidMax": "1999",
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},
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&secret,
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true, // expect error
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nil,
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},
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{
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"invalid gidMin:gidMax",
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map[string]string{
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"resturl": "https://localhost:8080",
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"restauthenabled": "false",
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"gidMin": "5001",
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"gidMax": "5000",
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},
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&secret,
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true, // expect error
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nil,
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},
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{
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"valid gidMin",
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map[string]string{
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"resturl": "https://localhost:8080",
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"restauthenabled": "false",
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"gidMin": "4000",
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},
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&secret,
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false, // expect error
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&provisioningConfig{
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url: "https://localhost:8080",
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gidMin: 4000,
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gidMax: 2147483647,
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volumeType: gapi.VolumeDurabilityInfo{Type: "replicate", Replicate: gapi.ReplicaDurability{Replica: 3}, Disperse: gapi.DisperseDurability{Data: 0, Redundancy: 0}},
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},
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},
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{
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"valid gidMax",
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map[string]string{
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"resturl": "https://localhost:8080",
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"restauthenabled": "false",
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"gidMax": "5000",
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},
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&secret,
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false, // expect error
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&provisioningConfig{
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url: "https://localhost:8080",
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gidMin: 2000,
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gidMax: 5000,
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volumeType: gapi.VolumeDurabilityInfo{Type: "replicate", Replicate: gapi.ReplicaDurability{Replica: 3}, Disperse: gapi.DisperseDurability{Data: 0, Redundancy: 0}},
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},
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},
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{
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"valid gidMin:gidMax",
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map[string]string{
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"resturl": "https://localhost:8080",
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"restauthenabled": "false",
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"gidMin": "4000",
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"gidMax": "5000",
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},
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&secret,
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false, // expect error
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&provisioningConfig{
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url: "https://localhost:8080",
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gidMin: 4000,
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gidMax: 5000,
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volumeType: gapi.VolumeDurabilityInfo{Type: "replicate", Replicate: gapi.ReplicaDurability{Replica: 3}, Disperse: gapi.DisperseDurability{Data: 0, Redundancy: 0}},
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},
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},
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{
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"valid volumetype: replicate",
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map[string]string{
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"resturl": "https://localhost:8080",
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"restauthenabled": "false",
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"gidMin": "4000",
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"gidMax": "5000",
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"volumetype": "replicate:4",
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},
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&secret,
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false, // expect error
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&provisioningConfig{
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url: "https://localhost:8080",
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gidMin: 4000,
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gidMax: 5000,
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volumeType: gapi.VolumeDurabilityInfo{Type: "replicate", Replicate: gapi.ReplicaDurability{Replica: 4}, Disperse: gapi.DisperseDurability{Data: 0, Redundancy: 0}},
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},
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},
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{
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"valid volumetype: disperse",
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map[string]string{
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"resturl": "https://localhost:8080",
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"restauthenabled": "false",
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"gidMin": "4000",
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"gidMax": "5000",
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"volumetype": "disperse:4:2",
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},
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&secret,
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false, // expect error
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&provisioningConfig{
|
|
url: "https://localhost:8080",
|
|
gidMin: 4000,
|
|
gidMax: 5000,
|
|
volumeType: gapi.VolumeDurabilityInfo{Type: "disperse", Replicate: gapi.ReplicaDurability{Replica: 0}, Disperse: gapi.DisperseDurability{Data: 4, Redundancy: 2}},
|
|
},
|
|
},
|
|
{
|
|
"invalid volumetype (disperse) parameter",
|
|
map[string]string{
|
|
"resturl": "https://localhost:8080",
|
|
"restauthenabled": "false",
|
|
"volumetype": "disperse:4:asd",
|
|
},
|
|
&secret,
|
|
true, // expect error
|
|
nil,
|
|
},
|
|
{
|
|
"invalid volumetype (replicate) parameter",
|
|
map[string]string{
|
|
"resturl": "https://localhost:8080",
|
|
"restauthenabled": "false",
|
|
"volumetype": "replicate:asd",
|
|
},
|
|
&secret,
|
|
true, // expect error
|
|
nil,
|
|
},
|
|
{
|
|
"invalid volumetype: unknown volumetype",
|
|
map[string]string{
|
|
"resturl": "https://localhost:8080",
|
|
"restauthenabled": "false",
|
|
"volumetype": "dispersereplicate:4:2",
|
|
},
|
|
&secret,
|
|
true, // expect error
|
|
nil,
|
|
},
|
|
{
|
|
"invalid volumetype : negative value",
|
|
map[string]string{
|
|
"resturl": "https://localhost:8080",
|
|
"restauthenabled": "false",
|
|
"volumetype": "replicate:-1000",
|
|
},
|
|
&secret,
|
|
true, // expect error
|
|
nil,
|
|
},
|
|
}
|
|
|
|
for _, test := range tests {
|
|
|
|
client := &fake.Clientset{}
|
|
client.AddReactor("get", "secrets", func(action core.Action) (handled bool, ret runtime.Object, err error) {
|
|
if test.secret != nil {
|
|
return true, test.secret, nil
|
|
}
|
|
return true, nil, fmt.Errorf("Test %s did not set a secret", test.name)
|
|
})
|
|
|
|
cfg, err := parseClassParameters(test.parameters, client)
|
|
|
|
if err != nil && !test.expectError {
|
|
t.Errorf("Test %s got unexpected error %v", test.name, err)
|
|
}
|
|
if err == nil && test.expectError {
|
|
t.Errorf("test %s expected error and got none", test.name)
|
|
}
|
|
if test.expectConfig != nil {
|
|
if !reflect.DeepEqual(cfg, test.expectConfig) {
|
|
t.Errorf("Test %s returned unexpected data, expected: %+v, got: %+v", test.name, test.expectConfig, cfg)
|
|
}
|
|
}
|
|
}
|
|
}
|