mirror of https://github.com/k3s-io/k3s
134 lines
3.8 KiB
Go
134 lines
3.8 KiB
Go
/*
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Copyright 2015 The Kubernetes Authors All rights reserved.
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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 cinder
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import (
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"os"
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"testing"
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"k8s.io/kubernetes/pkg/api"
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"k8s.io/kubernetes/pkg/types"
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"k8s.io/kubernetes/pkg/util/mount"
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"k8s.io/kubernetes/pkg/volume"
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)
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func TestCanSupport(t *testing.T) {
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plugMgr := volume.VolumePluginMgr{}
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plugMgr.InitPlugins(ProbeVolumePlugins(), volume.NewFakeVolumeHost("/tmp/fake", nil, nil))
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plug, err := plugMgr.FindPluginByName("kubernetes.io/cinder")
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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.Name() != "kubernetes.io/cinder" {
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t.Errorf("Wrong name: %s", plug.Name())
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}
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if !plug.CanSupport(&volume.Spec{Volume: &api.Volume{VolumeSource: api.VolumeSource{Cinder: &api.CinderVolumeSource{}}}}) {
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t.Errorf("Expected true")
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}
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if !plug.CanSupport(&volume.Spec{PersistentVolume: &api.PersistentVolume{Spec: api.PersistentVolumeSpec{PersistentVolumeSource: api.PersistentVolumeSource{Cinder: &api.CinderVolumeSource{}}}}}) {
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t.Errorf("Expected true")
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}
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}
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type fakePDManager struct{}
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func (fake *fakePDManager) AttachDisk(b *cinderVolumeBuilder, globalPDPath string) error {
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globalPath := makeGlobalPDName(b.plugin.host, b.pdName)
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err := os.MkdirAll(globalPath, 0750)
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if err != nil {
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return err
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}
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return nil
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}
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func (fake *fakePDManager) DetachDisk(c *cinderVolumeCleaner) error {
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globalPath := makeGlobalPDName(c.plugin.host, c.pdName)
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err := os.RemoveAll(globalPath)
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if err != nil {
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return err
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}
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return nil
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}
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func TestPlugin(t *testing.T) {
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plugMgr := volume.VolumePluginMgr{}
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plugMgr.InitPlugins(ProbeVolumePlugins(), volume.NewFakeVolumeHost("/tmp/fake", nil, nil))
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plug, err := plugMgr.FindPluginByName("kubernetes.io/cinder")
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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 := &api.Volume{
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Name: "vol1",
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VolumeSource: api.VolumeSource{
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Cinder: &api.CinderVolumeSource{
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VolumeID: "pd",
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FSType: "ext4",
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},
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},
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}
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builder, err := plug.(*cinderPlugin).newBuilderInternal(volume.NewSpecFromVolume(spec), types.UID("poduid"), &fakePDManager{}, &mount.FakeMounter{})
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if err != nil {
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t.Errorf("Failed to make a new Builder: %v", err)
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}
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if builder == nil {
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t.Errorf("Got a nil Builder: %v")
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}
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path := builder.GetPath()
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if path != "/tmp/fake/pods/poduid/volumes/kubernetes.io~cinder/vol1" {
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t.Errorf("Got unexpected path: %s", path)
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}
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if err := builder.SetUp(); 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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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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cleaner, err := plug.(*cinderPlugin).newCleanerInternal("vol1", types.UID("poduid"), &fakePDManager{}, &mount.FakeMounter{})
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if err != nil {
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t.Errorf("Failed to make a new Cleaner: %v", err)
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}
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if cleaner == nil {
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t.Errorf("Got a nil Cleaner: %v")
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}
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if err := cleaner.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("SetUp() failed: %v", err)
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}
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}
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