mirror of https://github.com/k3s-io/k3s
248 lines
7.2 KiB
Go
248 lines
7.2 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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package cephfs
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import (
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"os"
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"path"
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"testing"
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"k8s.io/api/core/v1"
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"k8s.io/apimachinery/pkg/types"
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utiltesting "k8s.io/client-go/util/testing"
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"k8s.io/kubernetes/pkg/util/mount"
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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("cephTest")
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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(tmpDir, nil, nil))
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plug, err := plugMgr.FindPluginByName("kubernetes.io/cephfs")
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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/cephfs" {
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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{}}}) {
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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{CephFS: &v1.CephFSVolumeSource{}}}}) {
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t.Errorf("Expected true")
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}
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}
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func TestPlugin(t *testing.T) {
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tmpDir, err := utiltesting.MkTmpdir("cephTest")
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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(tmpDir, nil, nil))
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plug, err := plugMgr.FindPluginByName("kubernetes.io/cephfs")
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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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CephFS: &v1.CephFSVolumeSource{
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Monitors: []string{"a", "b"},
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User: "user",
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SecretRef: nil,
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SecretFile: "/etc/ceph/user.secret",
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},
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},
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}
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mounter, err := plug.(*cephfsPlugin).newMounterInternal(volume.NewSpecFromVolume(spec), types.UID("poduid"), &mount.FakeMounter{}, "secrets")
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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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volumePath := mounter.GetPath()
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volpath := path.Join(tmpDir, "pods/poduid/volumes/kubernetes.io~cephfs/vol1")
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if volumePath != volpath {
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t.Errorf("Got unexpected path: %s", volumePath)
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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.(*cephfsPlugin).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.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(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("TearDown() failed: %v", err)
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}
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}
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func TestConstructVolumeSpec(t *testing.T) {
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tmpDir, err := utiltesting.MkTmpdir("cephTest")
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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(tmpDir, nil, nil))
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plug, err := plugMgr.FindPluginByName("kubernetes.io/cephfs")
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if err != nil {
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t.Errorf("can't find cephfs plugin by name")
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}
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cephfsSpec, err := plug.(*cephfsPlugin).ConstructVolumeSpec("cephfsVolume", "/cephfsVolume/")
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if cephfsSpec.Name() != "cephfsVolume" {
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t.Errorf("Get wrong cephfs spec name, got: %s", cephfsSpec.Name())
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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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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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CephFS: &v1.CephFSPersistentVolumeSource{
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Monitors: []string{"a", "b"},
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User: "user",
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SecretRef: &v1.SecretReference{
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Name: "name",
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Namespace: "ns",
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},
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SecretFile: "/etc/ceph/user.secret",
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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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CephFS: &v1.CephFSPersistentVolumeSource{
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Monitors: []string{"a", "b"},
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User: "user",
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SecretRef: &v1.SecretReference{
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Name: "name",
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},
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SecretFile: "/etc/ceph/user.secret",
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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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CephFS: &v1.CephFSVolumeSource{
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Monitors: []string{"a", "b"},
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User: "user",
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SecretRef: &v1.LocalObjectReference{
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Name: "name",
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},
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SecretFile: "/etc/ceph/user.secret",
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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 TestGetAccessModes(t *testing.T) {
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tmpDir, err := utiltesting.MkTmpdir("cephfs_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(), nil /* prober */, volumetest.NewFakeVolumeHost(tmpDir, nil, nil))
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plug, err := plugMgr.FindPersistentPluginByName("kubernetes.io/cephfs")
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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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modes := plug.GetAccessModes()
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for _, v := range modes {
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if !volumetest.ContainsAccessMode(modes, v) {
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t.Errorf("Expected AccessModeTypes: %s", v)
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}
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}
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}
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