mirror of
https://github.com/optim-enterprises-bv/kubernetes.git
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449 lines
13 KiB
Go
449 lines
13 KiB
Go
// +build !providerless
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/*
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Copyright 2016 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 azure_file
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import (
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"fmt"
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"io/ioutil"
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"os"
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"path/filepath"
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"reflect"
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"strings"
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"testing"
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"github.com/Azure/go-autorest/autorest/to"
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v1 "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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"k8s.io/client-go/kubernetes/fake"
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fakecloud "k8s.io/cloud-provider/fake"
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"k8s.io/mount-utils"
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"k8s.io/kubernetes/pkg/volume"
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volumetest "k8s.io/kubernetes/pkg/volume/testing"
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"k8s.io/legacy-cloud-providers/azure"
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)
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func TestCanSupport(t *testing.T) {
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tmpDir, err := ioutil.TempDir(os.TempDir(), "azureFileTest")
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if err != nil {
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t.Fatalf("can't make a 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(), nil /* prober */, volumetest.NewFakeVolumeHost(t, tmpDir, nil, nil))
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plug, err := plugMgr.FindPluginByName("kubernetes.io/azure-file")
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if err != nil {
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t.Fatal("Can't find the plugin by name")
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}
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if plug.GetPluginName() != "kubernetes.io/azure-file" {
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t.Errorf("Wrong name: %s", plug.GetPluginName())
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}
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if !plug.CanSupport(&volume.Spec{Volume: &v1.Volume{VolumeSource: v1.VolumeSource{AzureFile: &v1.AzureFileVolumeSource{}}}}) {
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t.Errorf("Expected true")
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}
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if !plug.CanSupport(&volume.Spec{PersistentVolume: &v1.PersistentVolume{Spec: v1.PersistentVolumeSpec{PersistentVolumeSource: v1.PersistentVolumeSource{AzureFile: &v1.AzureFilePersistentVolumeSource{}}}}}) {
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t.Errorf("Expected true")
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}
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}
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func TestGetAccessModes(t *testing.T) {
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tmpDir, err := ioutil.TempDir(os.TempDir(), "azureFileTest")
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if err != nil {
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t.Fatalf("can't make a 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(), nil /* prober */, volumetest.NewFakeVolumeHost(t, tmpDir, nil, nil))
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plug, err := plugMgr.FindPersistentPluginByName("kubernetes.io/azure-file")
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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 !volumetest.ContainsAccessMode(plug.GetAccessModes(), v1.ReadWriteOnce) || !volumetest.ContainsAccessMode(plug.GetAccessModes(), v1.ReadOnlyMany) || !volumetest.ContainsAccessMode(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 getAzureTestCloud(t *testing.T) *azure.Cloud {
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config := `{
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"aadClientId": "--aad-client-id--",
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"aadClientSecret": "--aad-client-secret--"
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}`
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configReader := strings.NewReader(config)
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azureCloud, err := azure.NewCloudWithoutFeatureGates(configReader)
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if err != nil {
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t.Error(err)
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}
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return azureCloud
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}
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func getTestTempDir(t *testing.T) string {
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tmpDir, err := ioutil.TempDir(os.TempDir(), "azurefileTest")
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if err != nil {
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t.Fatalf("can't make a temp dir: %v", err)
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}
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return tmpDir
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}
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func TestPluginAzureCloudProvider(t *testing.T) {
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tmpDir := getTestTempDir(t)
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defer os.RemoveAll(tmpDir)
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testPlugin(t, tmpDir, volumetest.NewFakeVolumeHostWithCloudProvider(t, tmpDir, nil, nil, getAzureTestCloud(t)))
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}
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func TestPluginWithoutCloudProvider(t *testing.T) {
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tmpDir := getTestTempDir(t)
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defer os.RemoveAll(tmpDir)
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testPlugin(t, tmpDir, volumetest.NewFakeVolumeHost(t, tmpDir, nil, nil))
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}
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func TestPluginWithOtherCloudProvider(t *testing.T) {
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tmpDir := getTestTempDir(t)
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defer os.RemoveAll(tmpDir)
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cloud := &fakecloud.Cloud{}
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testPlugin(t, tmpDir, volumetest.NewFakeVolumeHostWithCloudProvider(t, tmpDir, nil, nil, cloud))
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}
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func testPlugin(t *testing.T, tmpDir string, volumeHost volume.VolumeHost) {
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plugMgr := volume.VolumePluginMgr{}
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plugMgr.InitPlugins(ProbeVolumePlugins(), nil /* prober */, volumeHost)
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plug, err := plugMgr.FindPluginByName("kubernetes.io/azure-file")
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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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spec := &v1.Volume{
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Name: "vol1",
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VolumeSource: v1.VolumeSource{
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AzureFile: &v1.AzureFileVolumeSource{
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SecretName: "secret",
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ShareName: "share",
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},
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},
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}
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fake := mount.NewFakeMounter(nil)
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pod := &v1.Pod{ObjectMeta: metav1.ObjectMeta{UID: types.UID("poduid")}}
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mounter, err := plug.(*azureFilePlugin).newMounterInternal(volume.NewSpecFromVolume(spec), pod, &fakeAzureSvc{}, fake)
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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.Errorf("Got a nil Mounter")
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}
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volPath := filepath.Join(tmpDir, "pods/poduid/volumes/kubernetes.io~azure-file/vol1")
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path := mounter.GetPath()
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if path != volPath {
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t.Errorf("Got unexpected path: %s", path)
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}
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if err := mounter.SetUp(volume.MounterArgs{}); 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(path); err != nil {
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if os.IsNotExist(err) {
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t.Errorf("SetUp() failed, volume path not created: %s", path)
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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.(*azureFilePlugin).newUnmounterInternal("vol1", types.UID("poduid"), mount.NewFakeMounter(nil))
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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.Errorf("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(path); err == nil {
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t.Errorf("TearDown() failed, volume path still exists: %s", path)
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} else if !os.IsNotExist(err) {
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t.Errorf("TearDown() failed: %v", err)
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}
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}
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func TestPersistentClaimReadOnlyFlag(t *testing.T) {
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pv := &v1.PersistentVolume{
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ObjectMeta: metav1.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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AzureFile: &v1.AzureFilePersistentVolumeSource{},
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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: metav1.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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client := fake.NewSimpleClientset(pv, claim)
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plugMgr := volume.VolumePluginMgr{}
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plugMgr.InitPlugins(ProbeVolumePlugins(), nil /* prober */, volumetest.NewFakeVolumeHost(t, "/tmp/fake", client, nil))
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plug, _ := plugMgr.FindPluginByName(azureFilePluginName)
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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: metav1.ObjectMeta{UID: types.UID("poduid")}}
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mounter, _ := plug.NewMounter(spec, pod, volume.VolumeOptions{})
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if mounter == nil {
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t.Fatalf("Got a nil Mounter")
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}
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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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type fakeAzureSvc struct{}
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func (s *fakeAzureSvc) GetAzureCredentials(host volume.VolumeHost, nameSpace, secretName string) (string, string, error) {
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return "name", "key", nil
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}
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func (s *fakeAzureSvc) SetAzureCredentials(host volume.VolumeHost, nameSpace, accountName, accountKey string) (string, error) {
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return "secret", nil
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}
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func TestMounterAndUnmounterTypeAssert(t *testing.T) {
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tmpDir, err := ioutil.TempDir(os.TempDir(), "azurefileTest")
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if err != nil {
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t.Fatalf("can't make a 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(), nil /* prober */, volumetest.NewFakeVolumeHost(t, tmpDir, nil, nil))
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plug, err := plugMgr.FindPluginByName("kubernetes.io/azure-file")
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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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spec := &v1.Volume{
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Name: "vol1",
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VolumeSource: v1.VolumeSource{
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AzureFile: &v1.AzureFileVolumeSource{
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SecretName: "secret",
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ShareName: "share",
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},
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},
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}
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fake := mount.NewFakeMounter(nil)
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pod := &v1.Pod{ObjectMeta: metav1.ObjectMeta{UID: types.UID("poduid")}}
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mounter, err := plug.(*azureFilePlugin).newMounterInternal(volume.NewSpecFromVolume(spec), pod, &fakeAzureSvc{}, fake)
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if err != nil {
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t.Errorf("MounterInternal() failed: %v", err)
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}
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if _, ok := mounter.(volume.Unmounter); ok {
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t.Errorf("Volume Mounter can be type-assert to Unmounter")
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}
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unmounter, err := plug.(*azureFilePlugin).newUnmounterInternal("vol1", types.UID("poduid"), mount.NewFakeMounter(nil))
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if err != nil {
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t.Errorf("MounterInternal() failed: %v", err)
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}
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if _, ok := unmounter.(volume.Mounter); ok {
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t.Errorf("Volume Unmounter can be type-assert to Mounter")
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}
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}
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type testcase struct {
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name string
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defaultNs string
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spec *volume.Spec
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// Expected return of the test
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expectedName string
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expectedNs string
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expectedError error
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}
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func TestGetSecretNameAndNamespaceForPV(t *testing.T) {
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secretNs := "ns"
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tests := []testcase{
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{
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name: "persistent volume source",
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defaultNs: "default",
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spec: &volume.Spec{
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PersistentVolume: &v1.PersistentVolume{
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Spec: v1.PersistentVolumeSpec{
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PersistentVolumeSource: v1.PersistentVolumeSource{
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AzureFile: &v1.AzureFilePersistentVolumeSource{
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ShareName: "share",
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SecretName: "name",
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SecretNamespace: &secretNs,
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},
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},
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},
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},
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},
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expectedName: "name",
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expectedNs: "ns",
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expectedError: nil,
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},
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{
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name: "persistent volume source without namespace",
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defaultNs: "default",
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spec: &volume.Spec{
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PersistentVolume: &v1.PersistentVolume{
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Spec: v1.PersistentVolumeSpec{
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PersistentVolumeSource: v1.PersistentVolumeSource{
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AzureFile: &v1.AzureFilePersistentVolumeSource{
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ShareName: "share",
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SecretName: "name",
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},
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},
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},
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},
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},
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expectedName: "name",
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expectedNs: "default",
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expectedError: nil,
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},
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{
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name: "pod volume source",
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defaultNs: "default",
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spec: &volume.Spec{
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Volume: &v1.Volume{
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VolumeSource: v1.VolumeSource{
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AzureFile: &v1.AzureFileVolumeSource{
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ShareName: "share",
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SecretName: "name",
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},
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},
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},
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},
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expectedName: "name",
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expectedNs: "default",
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expectedError: nil,
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},
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}
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for _, testcase := range tests {
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resultName, resultNs, err := getSecretNameAndNamespace(testcase.spec, testcase.defaultNs)
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if err != testcase.expectedError || resultName != testcase.expectedName || resultNs != testcase.expectedNs {
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t.Errorf("%s failed: expected err=%v ns=%q name=%q, got %v/%q/%q", testcase.name, testcase.expectedError, testcase.expectedNs, testcase.expectedName,
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err, resultNs, resultName)
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}
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}
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}
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func TestAppendDefaultMountOptions(t *testing.T) {
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tests := []struct {
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options []string
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fsGroup *int64
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expected []string
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}{
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{
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options: []string{"dir_mode=0777"},
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fsGroup: nil,
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expected: []string{"dir_mode=0777",
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fmt.Sprintf("%s=%s", fileMode, defaultFileMode),
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fmt.Sprintf("%s=%s", vers, defaultVers),
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fmt.Sprintf("%s=%s", actimeo, defaultActimeo),
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mfsymlinks,
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},
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},
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{
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options: []string{"file_mode=0777"},
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fsGroup: to.Int64Ptr(0),
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expected: []string{"file_mode=0777",
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fmt.Sprintf("%s=%s", dirMode, defaultDirMode),
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fmt.Sprintf("%s=%s", vers, defaultVers),
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fmt.Sprintf("%s=0", gid),
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fmt.Sprintf("%s=%s", actimeo, defaultActimeo),
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mfsymlinks,
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},
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},
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{
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options: []string{"vers=2.1"},
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fsGroup: to.Int64Ptr(1000),
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expected: []string{"vers=2.1",
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fmt.Sprintf("%s=%s", fileMode, defaultFileMode),
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fmt.Sprintf("%s=%s", dirMode, defaultDirMode),
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fmt.Sprintf("%s=1000", gid),
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fmt.Sprintf("%s=%s", actimeo, defaultActimeo),
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mfsymlinks,
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},
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},
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{
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options: []string{""},
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expected: []string{"", fmt.Sprintf("%s=%s",
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fileMode, defaultFileMode),
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fmt.Sprintf("%s=%s", dirMode, defaultDirMode),
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fmt.Sprintf("%s=%s", vers, defaultVers),
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fmt.Sprintf("%s=%s", actimeo, defaultActimeo),
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mfsymlinks,
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},
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},
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{
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options: []string{"file_mode=0777", "dir_mode=0777"},
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expected: []string{"file_mode=0777", "dir_mode=0777",
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fmt.Sprintf("%s=%s", vers, defaultVers),
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fmt.Sprintf("%s=%s", actimeo, defaultActimeo),
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mfsymlinks,
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},
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},
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{
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options: []string{"gid=2000"},
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fsGroup: to.Int64Ptr(1000),
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expected: []string{"gid=2000",
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fmt.Sprintf("%s=%s", fileMode, defaultFileMode),
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fmt.Sprintf("%s=%s", dirMode, defaultDirMode),
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"vers=3.0",
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fmt.Sprintf("%s=%s", actimeo, defaultActimeo),
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mfsymlinks,
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},
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},
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{
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options: []string{"actimeo=3"},
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expected: []string{
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"actimeo=3",
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fmt.Sprintf("%s=%s", fileMode, defaultFileMode),
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fmt.Sprintf("%s=%s", dirMode, defaultDirMode),
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fmt.Sprintf("%s=%s", vers, defaultVers),
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mfsymlinks,
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},
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},
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}
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for _, test := range tests {
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result := appendDefaultMountOptions(test.options, test.fsGroup)
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if !reflect.DeepEqual(result, test.expected) {
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t.Errorf("input: %q, appendDefaultMountOptions result: %q, expected: %q", test.options, result, test.expected)
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}
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}
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}
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