func TestPluginLegacy(t *testing.T) {
plugMgr := volume.VolumePluginMgr{}
plugMgr.InitPlugins(ProbeVolumePlugins(), volume.NewFakeVolumeHost("/tmp/fake", nil, nil))
plug, err := plugMgr.FindPluginByName("gce-pd")
if err != nil {
t.Errorf("Can't find the plugin by name")
}
if plug.Name() != "gce-pd" {
t.Errorf("Wrong name: %s", plug.Name())
}
if plug.CanSupport(&volume.Spec{Name: "foo", VolumeSource: api.VolumeSource{GCEPersistentDisk: &api.GCEPersistentDiskVolumeSource{}}}) {
t.Errorf("Expected false")
}
spec := &api.Volume{VolumeSource: api.VolumeSource{GCEPersistentDisk: &api.GCEPersistentDiskVolumeSource{}}}
pod := &api.Pod{ObjectMeta: api.ObjectMeta{UID: types.UID("poduid")}}
if _, err := plug.NewBuilder(volume.NewSpecFromVolume(spec), pod, volume.VolumeOptions{""}, nil); err == nil {
t.Errorf("Expected failiure")
}
cleaner, err := plug.NewCleaner("vol1", types.UID("poduid"), nil)
if err != nil {
t.Errorf("Failed to make a new Cleaner: %v", err)
}
if cleaner == nil {
t.Errorf("Got a nil Cleaner")
}
}
func TestPlugin(t *testing.T) {
plugMgr := volume.VolumePluginMgr{}
plugMgr.InitPlugins(ProbeVolumePlugins(), newTestHost(t))
plug, err := plugMgr.FindPluginByName("qingyuan/git-repo")
if err != nil {
t.Errorf("Can't find the plugin by name")
}
spec := &api.Volume{
Name: "vol1",
VolumeSource: api.VolumeSource{
GitRepo: &api.GitRepoVolumeSource{
Repository: "https://github.com/qingyuancloud/QingYuan.git",
Revision: "2a30ce65c5ab586b98916d83385c5983edd353a1",
},
},
}
pod := &api.Pod{ObjectMeta: api.ObjectMeta{UID: types.UID("poduid")}}
builder, err := plug.NewBuilder(volume.NewSpecFromVolume(spec), pod, volume.VolumeOptions{""}, mount.New())
if err != nil {
t.Errorf("Failed to make a new Builder: %v", err)
}
if builder == nil {
t.Errorf("Got a nil Builder")
}
path := builder.GetPath()
if !strings.HasSuffix(path, "pods/poduid/volumes/qingyuan~git-repo/vol1") {
t.Errorf("Got unexpected path: %s", path)
}
testSetUp(plug, builder, t)
if _, err := os.Stat(path); err != nil {
if os.IsNotExist(err) {
t.Errorf("SetUp() failed, volume path not created: %s", path)
} else {
t.Errorf("SetUp() failed: %v", err)
}
}
cleaner, err := plug.NewCleaner("vol1", types.UID("poduid"), mount.New())
if err != nil {
t.Errorf("Failed to make a new Cleaner: %v", err)
}
if cleaner == nil {
t.Errorf("Got a nil Cleaner")
}
if err := cleaner.TearDown(); err != nil {
t.Errorf("Expected success, got: %v", err)
}
if _, err := os.Stat(path); err == nil {
t.Errorf("TearDown() failed, volume path still exists: %s", path)
} else if !os.IsNotExist(err) {
t.Errorf("SetUp() failed: %v", err)
}
}
// Test the case where the 'ready' file has been created and the pod volume dir
// is a mountpoint. Mount should not be called.
func TestPluginIdempotent(t *testing.T) {
var (
testPodUID = types.UID("test_pod_uid2")
testVolumeName = "test_volume_name"
testNamespace = "test_secret_namespace"
testName = "test_secret_name"
volumeSpec = volumeSpec(testVolumeName, testName)
secret = secret(testNamespace, testName)
client = testclient.NewSimpleFake(&secret)
pluginMgr = volume.VolumePluginMgr{}
rootDir, host = newTestHost(t, client)
)
pluginMgr.InitPlugins(ProbeVolumePlugins(), host)
plugin, err := pluginMgr.FindPluginByName(secretPluginName)
if err != nil {
t.Errorf("Can't find the plugin by name")
}
podVolumeDir := fmt.Sprintf("%v/pods/test_pod_uid2/volumes/qingyuan~secret/test_volume_name", rootDir)
podMetadataDir := fmt.Sprintf("%v/pods/test_pod_uid2/plugins/qingyuan~secret/test_volume_name", rootDir)
pod := &api.Pod{ObjectMeta: api.ObjectMeta{UID: testPodUID}}
mounter := &mount.FakeMounter{}
mounter.MountPoints = []mount.MountPoint{
{
Path: podVolumeDir,
},
}
util.SetReady(podMetadataDir)
builder, err := plugin.NewBuilder(volume.NewSpecFromVolume(volumeSpec), pod, volume.VolumeOptions{}, mounter)
if err != nil {
t.Errorf("Failed to make a new Builder: %v", err)
}
if builder == nil {
t.Errorf("Got a nil Builder")
}
volumePath := builder.GetPath()
err = builder.SetUp()
if err != nil {
t.Errorf("Failed to setup volume: %v", err)
}
if len(mounter.Log) != 0 {
t.Errorf("Unexpected calls made to mounter: %v", mounter.Log)
}
if _, err := os.Stat(volumePath); err != nil {
if !os.IsNotExist(err) {
t.Errorf("SetUp() failed unexpectedly: %v", err)
}
} else {
t.Errorf("volume path should not exist: %v", volumePath)
}
}
func doTestPlugin(t *testing.T, spec *volume.Spec) {
plugMgr := volume.VolumePluginMgr{}
plugMgr.InitPlugins(ProbeVolumePlugins(), volume.NewFakeVolumeHost("/tmp/fake", nil, nil))
plug, err := plugMgr.FindPluginByName("qingyuan/rbd")
if err != nil {
t.Errorf("Can't find the plugin by name")
}
builder, err := plug.(*RBDPlugin).newBuilderInternal(spec, types.UID("poduid"), &fakeDiskManager{}, &mount.FakeMounter{}, "secrets")
if err != nil {
t.Errorf("Failed to make a new Builder: %v", err)
}
if builder == nil {
t.Errorf("Got a nil Builder: %v")
}
path := builder.GetPath()
if path != "/tmp/fake/pods/poduid/volumes/qingyuan~rbd/vol1" {
t.Errorf("Got unexpected path: %s", path)
}
if err := builder.SetUp(); err != nil {
t.Errorf("Expected success, got: %v", err)
}
if _, err := os.Stat(path); err != nil {
if os.IsNotExist(err) {
t.Errorf("SetUp() failed, volume path not created: %s", path)
} else {
t.Errorf("SetUp() failed: %v", err)
}
}
if _, err := os.Stat(path); err != nil {
if os.IsNotExist(err) {
t.Errorf("SetUp() failed, volume path not created: %s", path)
} else {
t.Errorf("SetUp() failed: %v", err)
}
}
cleaner, err := plug.(*RBDPlugin).newCleanerInternal("vol1", types.UID("poduid"), &fakeDiskManager{}, &mount.FakeMounter{})
if err != nil {
t.Errorf("Failed to make a new Cleaner: %v", err)
}
if cleaner == nil {
t.Errorf("Got a nil Cleaner: %v")
}
if err := cleaner.TearDown(); err != nil {
t.Errorf("Expected success, got: %v", err)
}
if _, err := os.Stat(path); err == nil {
t.Errorf("TearDown() failed, volume path still exists: %s", path)
} else if !os.IsNotExist(err) {
t.Errorf("SetUp() failed: %v", err)
}
}
// Construct an instance of a plugin, by name.
func makePluginUnderTest(t *testing.T, plugName string) volume.VolumePlugin {
plugMgr := volume.VolumePluginMgr{}
plugMgr.InitPlugins(ProbeVolumePlugins(), volume.NewFakeVolumeHost(basePath, nil, nil))
plug, err := plugMgr.FindPluginByName(plugName)
if err != nil {
t.Errorf("Can't find the plugin by name")
}
return plug
}
func TestGetAccessModes(t *testing.T) {
plugMgr := volume.VolumePluginMgr{}
plugMgr.InitPlugins(ProbeVolumePlugins(), volume.NewFakeVolumeHost("/tmp/fake", nil, nil))
plug, err := plugMgr.FindPersistentPluginByName("qingyuan/gce-pd")
if err != nil {
t.Errorf("Can't find the plugin by name")
}
if !contains(plug.GetAccessModes(), api.ReadWriteOnce) || !contains(plug.GetAccessModes(), api.ReadOnlyMany) {
t.Errorf("Expected two AccessModeTypes: %s and %s", api.ReadWriteOnce, api.ReadOnlyMany)
}
}
func TestGetAccessModes(t *testing.T) {
plugMgr := volume.VolumePluginMgr{}
plugMgr.InitPlugins(ProbeVolumePlugins(), volume.NewFakeVolumeHost("/tmp/fake", nil, nil))
plug, err := plugMgr.FindPersistentPluginByName("qingyuan/host-path")
if err != nil {
t.Errorf("Can't find the plugin by name")
}
if len(plug.GetAccessModes()) != 1 || plug.GetAccessModes()[0] != api.ReadWriteOnce {
t.Errorf("Expected %s PersistentVolumeAccessMode", api.ReadWriteOnce)
}
}
// Test the case where the plugin's ready file exists, but the volume dir is not a
// mountpoint, which is the state the system will be in after reboot. The dir
// should be mounter and the secret data written to it.
func TestPluginReboot(t *testing.T) {
var (
testPodUID = types.UID("test_pod_uid3")
testVolumeName = "test_volume_name"
testNamespace = "test_secret_namespace"
testName = "test_secret_name"
volumeSpec = volumeSpec(testVolumeName, testName)
secret = secret(testNamespace, testName)
client = testclient.NewSimpleFake(&secret)
pluginMgr = volume.VolumePluginMgr{}
rootDir, host = newTestHost(t, client)
)
pluginMgr.InitPlugins(ProbeVolumePlugins(), host)
plugin, err := pluginMgr.FindPluginByName(secretPluginName)
if err != nil {
t.Errorf("Can't find the plugin by name")
}
pod := &api.Pod{ObjectMeta: api.ObjectMeta{UID: testPodUID}}
builder, err := plugin.NewBuilder(volume.NewSpecFromVolume(volumeSpec), pod, volume.VolumeOptions{}, &mount.FakeMounter{})
if err != nil {
t.Errorf("Failed to make a new Builder: %v", err)
}
if builder == nil {
t.Errorf("Got a nil Builder")
}
podMetadataDir := fmt.Sprintf("%v/pods/test_pod_uid3/plugins/qingyuan~secret/test_volume_name", rootDir)
util.SetReady(podMetadataDir)
volumePath := builder.GetPath()
if !strings.HasSuffix(volumePath, fmt.Sprintf("pods/test_pod_uid3/volumes/qingyuan~secret/test_volume_name")) {
t.Errorf("Got unexpected path: %s", volumePath)
}
err = builder.SetUp()
if err != nil {
t.Errorf("Failed to setup volume: %v", err)
}
if _, err := os.Stat(volumePath); err != nil {
if os.IsNotExist(err) {
t.Errorf("SetUp() failed, volume path not created: %s", volumePath)
} else {
t.Errorf("SetUp() failed: %v", err)
}
}
doTestSecretDataInVolume(volumePath, secret, t)
doTestCleanAndTeardown(plugin, testPodUID, testVolumeName, volumePath, t)
}
func TestCanSupport(t *testing.T) {
plugMgr := volume.VolumePluginMgr{}
plugMgr.InitPlugins(ProbeVolumePlugins(), volume.NewFakeVolumeHost("/tmp/fake", nil, nil))
plug, err := plugMgr.FindPluginByName("qingyuan/rbd")
if err != nil {
t.Errorf("Can't find the plugin by name")
}
if plug.Name() != "qingyuan/rbd" {
t.Errorf("Wrong name: %s", plug.Name())
}
if plug.CanSupport(&volume.Spec{Name: "foo", VolumeSource: api.VolumeSource{}}) {
t.Errorf("Expected false")
}
}
func TestGetAccessModes(t *testing.T) {
plugMgr := volume.VolumePluginMgr{}
plugMgr.InitPlugins(ProbeVolumePlugins(), volume.NewFakeVolumeHost("/tmp/fake", nil, nil))
plug, err := plugMgr.FindPersistentPluginByName("qingyuan/aws-ebs")
if err != nil {
t.Errorf("Can't find the plugin by name")
}
if !contains(plug.GetAccessModes(), api.ReadWriteOnce) {
t.Errorf("Expected to find AccessMode: %s", api.ReadWriteOnce)
}
if len(plug.GetAccessModes()) != 1 {
t.Errorf("Expected to find exactly one AccessMode")
}
}
func TestCanSupport(t *testing.T) {
plugMgr := volume.VolumePluginMgr{}
plugMgr.InitPlugins(ProbeVolumePlugins(), newTestHost(t))
plug, err := plugMgr.FindPluginByName("qingyuan/git-repo")
if err != nil {
t.Errorf("Can't find the plugin by name")
}
if plug.Name() != "qingyuan/git-repo" {
t.Errorf("Wrong name: %s", plug.Name())
}
if !plug.CanSupport(&volume.Spec{Name: "foo", VolumeSource: api.VolumeSource{GitRepo: &api.GitRepoVolumeSource{}}}) {
t.Errorf("Expected true")
}
}
func TestCanSupport(t *testing.T) {
pluginMgr := volume.VolumePluginMgr{}
_, host := newTestHost(t, nil)
pluginMgr.InitPlugins(ProbeVolumePlugins(), host)
plugin, err := pluginMgr.FindPluginByName(secretPluginName)
if err != nil {
t.Errorf("Can't find the plugin by name")
}
if plugin.Name() != secretPluginName {
t.Errorf("Wrong name: %s", plugin.Name())
}
if !plugin.CanSupport(&volume.Spec{Name: "foo", VolumeSource: api.VolumeSource{Secret: &api.SecretVolumeSource{SecretName: ""}}}) {
t.Errorf("Expected true")
}
}
func TestNewBuilderClaimNotBound(t *testing.T) {
pv := &api.PersistentVolume{
ObjectMeta: api.ObjectMeta{
Name: "pvC",
},
Spec: api.PersistentVolumeSpec{
PersistentVolumeSource: api.PersistentVolumeSource{
GCEPersistentDisk: &api.GCEPersistentDiskVolumeSource{},
},
},
}
claim := &api.PersistentVolumeClaim{
ObjectMeta: api.ObjectMeta{
Name: "claimC",
Namespace: "nsA",
},
}
podVolume := api.VolumeSource{
PersistentVolumeClaim: &api.PersistentVolumeClaimVolumeSource{
ReadOnly: false,
ClaimName: "claimC",
},
}
o := testclient.NewObjects(api.Scheme, api.Scheme)
o.Add(pv)
o.Add(claim)
client := &testclient.Fake{ReactFn: testclient.ObjectReaction(o, latest.RESTMapper)}
plugMgr := volume.VolumePluginMgr{}
plugMgr.InitPlugins(testProbeVolumePlugins(), newTestHost(t, client))
plug, err := plugMgr.FindPluginByName("qingyuan/persistent-claim")
if err != nil {
t.Errorf("Can't find the plugin by name")
}
spec := &volume.Spec{
Name: "vol1",
VolumeSource: podVolume,
}
pod := &api.Pod{ObjectMeta: api.ObjectMeta{UID: types.UID("poduid")}}
builder, err := plug.NewBuilder(spec, pod, volume.VolumeOptions{}, nil)
if builder != nil {
t.Errorf("Expected a nil builder if the claim wasn't bound")
}
}
func TestCanSupport(t *testing.T) {
plugMgr := volume.VolumePluginMgr{}
plugMgr.InitPlugins(ProbeVolumePlugins(), volume.NewFakeVolumeHost("/tmp/fake", nil, nil))
plug, err := plugMgr.FindPluginByName("qingyuan/aws-ebs")
if err != nil {
t.Errorf("Can't find the plugin by name")
}
if plug.Name() != "qingyuan/aws-ebs" {
t.Errorf("Wrong name: %s", plug.Name())
}
if !plug.CanSupport(&volume.Spec{Name: "foo", VolumeSource: api.VolumeSource{AWSElasticBlockStore: &api.AWSElasticBlockStoreVolumeSource{}}}) {
t.Errorf("Expected true")
}
if !plug.CanSupport(&volume.Spec{Name: "foo", PersistentVolumeSource: api.PersistentVolumeSource{AWSElasticBlockStore: &api.AWSElasticBlockStoreVolumeSource{}}}) {
t.Errorf("Expected true")
}
}
func TestPlugin(t *testing.T) {
plugMgr := volume.VolumePluginMgr{}
plugMgr.InitPlugins(ProbeVolumePlugins(), volume.NewFakeVolumeHost("fake", nil, nil))
plug, err := plugMgr.FindPluginByName("qingyuan/host-path")
if err != nil {
t.Errorf("Can't find the plugin by name")
}
spec := &api.Volume{
Name: "vol1",
VolumeSource: api.VolumeSource{HostPath: &api.HostPathVolumeSource{"/vol1"}},
}
pod := &api.Pod{ObjectMeta: api.ObjectMeta{UID: types.UID("poduid")}}
builder, err := plug.NewBuilder(volume.NewSpecFromVolume(spec), pod, volume.VolumeOptions{}, nil)
if err != nil {
t.Errorf("Failed to make a new Builder: %v", err)
}
if builder == nil {
t.Errorf("Got a nil Builder")
}
path := builder.GetPath()
if path != "/vol1" {
t.Errorf("Got unexpected path: %s", path)
}
if err := builder.SetUp(); err != nil {
t.Errorf("Expected success, got: %v", err)
}
cleaner, err := plug.NewCleaner("vol1", types.UID("poduid"), nil)
if err != nil {
t.Errorf("Failed to make a new Cleaner: %v", err)
}
if cleaner == nil {
t.Errorf("Got a nil Cleaner")
}
if err := cleaner.TearDown(); err != nil {
t.Errorf("Expected success, got: %v", err)
}
}
func TestRecycler(t *testing.T) {
plugMgr := volume.VolumePluginMgr{}
plugMgr.InitPlugins([]volume.VolumePlugin{&hostPathPlugin{nil, newMockRecycler}}, volume.NewFakeVolumeHost("/tmp/fake", nil, nil))
spec := &volume.Spec{PersistentVolumeSource: api.PersistentVolumeSource{HostPath: &api.HostPathVolumeSource{Path: "/foo"}}}
plug, err := plugMgr.FindRecyclablePluginBySpec(spec)
if err != nil {
t.Errorf("Can't find the plugin by name")
}
recycler, err := plug.NewRecycler(spec)
if err != nil {
t.Error("Failed to make a new Recyler: %v", err)
}
if recycler.GetPath() != spec.PersistentVolumeSource.HostPath.Path {
t.Errorf("Expected %s but got %s", spec.PersistentVolumeSource.HostPath.Path, recycler.GetPath())
}
if err := recycler.Recycle(); err != nil {
t.Errorf("Mock Recycler expected to return nil but got %s", err)
}
}
func TestCanSupport(t *testing.T) {
plugMgr := volume.VolumePluginMgr{}
plugMgr.InitPlugins(ProbeVolumePlugins(), volume.NewFakeVolumeHost("/tmp/fake", nil, ProbeVolumePlugins()))
plug, err := plugMgr.FindPluginByName("qingyuan/persistent-claim")
if err != nil {
t.Errorf("Can't find the plugin by name")
}
if plug.Name() != "qingyuan/persistent-claim" {
t.Errorf("Wrong name: %s", plug.Name())
}
if !plug.CanSupport(&volume.Spec{Name: "foo", VolumeSource: api.VolumeSource{PersistentVolumeClaim: &api.PersistentVolumeClaimVolumeSource{}}}) {
t.Errorf("Expected true")
}
if plug.CanSupport(&volume.Spec{VolumeSource: api.VolumeSource{GitRepo: &api.GitRepoVolumeSource{}}}) {
t.Errorf("Expected false")
}
if plug.CanSupport(&volume.Spec{VolumeSource: api.VolumeSource{}}) {
t.Errorf("Expected false")
}
}
func doTestPlugin(t *testing.T, spec *volume.Spec) {
plugMgr := volume.VolumePluginMgr{}
plugMgr.InitPlugins(ProbeVolumePlugins(), volume.NewFakeVolumeHost("/tmp/fake", nil, nil))
plug, err := plugMgr.FindPluginByName("qingyuan/glusterfs")
if err != nil {
t.Errorf("Can't find the plugin by name")
}
ep := &api.Endpoints{ObjectMeta: api.ObjectMeta{Name: "foo"}, Subsets: []api.EndpointSubset{{
Addresses: []api.EndpointAddress{{IP: "127.0.0.1"}}}}}
var fcmd exec.FakeCmd
fcmd = exec.FakeCmd{
CombinedOutputScript: []exec.FakeCombinedOutputAction{
// mount
func() ([]byte, error) {
return []byte{}, nil
},
},
}
fake := exec.FakeExec{
CommandScript: []exec.FakeCommandAction{
func(cmd string, args ...string) exec.Cmd { return exec.InitFakeCmd(&fcmd, cmd, args...) },
},
}
pod := &api.Pod{ObjectMeta: api.ObjectMeta{UID: types.UID("poduid")}}
builder, err := plug.(*glusterfsPlugin).newBuilderInternal(spec, ep, pod, &mount.FakeMounter{}, &fake)
volumePath := builder.GetPath()
if err != nil {
t.Errorf("Failed to make a new Builder: %v", err)
}
if builder == nil {
t.Errorf("Got a nil Builder: %v")
}
path := builder.GetPath()
if path != "/tmp/fake/pods/poduid/volumes/qingyuan~glusterfs/vol1" {
t.Errorf("Got unexpected path: %s", path)
}
if err := builder.SetUp(); err != nil {
t.Errorf("Expected success, got: %v", err)
}
if _, err := os.Stat(volumePath); err != nil {
if os.IsNotExist(err) {
t.Errorf("SetUp() failed, volume path not created: %s", volumePath)
} else {
t.Errorf("SetUp() failed: %v", err)
}
}
cleaner, err := plug.(*glusterfsPlugin).newCleanerInternal("vol1", types.UID("poduid"), &mount.FakeMounter{})
if err != nil {
t.Errorf("Failed to make a new Cleaner: %v", err)
}
if cleaner == nil {
t.Errorf("Got a nil Cleaner: %v")
}
if err := cleaner.TearDown(); err != nil {
t.Errorf("Expected success, got: %v", err)
}
if _, err := os.Stat(volumePath); err == nil {
t.Errorf("TearDown() failed, volume path still exists: %s", volumePath)
} else if !os.IsNotExist(err) {
t.Errorf("SetUp() failed: %v", err)
}
}
func TestPlugin(t *testing.T) {
plugMgr := volume.VolumePluginMgr{}
plugMgr.InitPlugins(ProbeVolumePlugins(), volume.NewFakeVolumeHost("/tmp/fake", nil, nil))
plug, err := plugMgr.FindPluginByName("qingyuan/aws-ebs")
if err != nil {
t.Errorf("Can't find the plugin by name")
}
spec := &api.Volume{
Name: "vol1",
VolumeSource: api.VolumeSource{
AWSElasticBlockStore: &api.AWSElasticBlockStoreVolumeSource{
VolumeID: "pd",
FSType: "ext4",
},
},
}
builder, err := plug.(*awsElasticBlockStorePlugin).newBuilderInternal(volume.NewSpecFromVolume(spec), types.UID("poduid"), &fakePDManager{}, &mount.FakeMounter{})
if err != nil {
t.Errorf("Failed to make a new Builder: %v", err)
}
if builder == nil {
t.Errorf("Got a nil Builder")
}
path := builder.GetPath()
if path != "/tmp/fake/pods/poduid/volumes/qingyuan~aws-ebs/vol1" {
t.Errorf("Got unexpected path: %s", path)
}
if err := builder.SetUp(); err != nil {
t.Errorf("Expected success, got: %v", err)
}
if _, err := os.Stat(path); err != nil {
if os.IsNotExist(err) {
t.Errorf("SetUp() failed, volume path not created: %s", path)
} else {
t.Errorf("SetUp() failed: %v", err)
}
}
if _, err := os.Stat(path); err != nil {
if os.IsNotExist(err) {
t.Errorf("SetUp() failed, volume path not created: %s", path)
} else {
t.Errorf("SetUp() failed: %v", err)
}
}
cleaner, err := plug.(*awsElasticBlockStorePlugin).newCleanerInternal("vol1", types.UID("poduid"), &fakePDManager{}, &mount.FakeMounter{})
if err != nil {
t.Errorf("Failed to make a new Cleaner: %v", err)
}
if cleaner == nil {
t.Errorf("Got a nil Cleaner")
}
if err := cleaner.TearDown(); err != nil {
t.Errorf("Expected success, got: %v", err)
}
if _, err := os.Stat(path); err == nil {
t.Errorf("TearDown() failed, volume path still exists: %s", path)
} else if !os.IsNotExist(err) {
t.Errorf("SetUp() failed: %v", err)
}
}
func TestPlugin(t *testing.T) {
plugMgr := volume.VolumePluginMgr{}
plugMgr.InitPlugins(ProbeVolumePlugins(), volume.NewFakeVolumeHost("/tmp/fake", nil, nil))
plug, err := plugMgr.FindPluginByName("qingyuan/gce-pd")
if err != nil {
t.Errorf("Can't find the plugin by name")
}
spec := &api.Volume{
Name: "vol1",
VolumeSource: api.VolumeSource{
GCEPersistentDisk: &api.GCEPersistentDiskVolumeSource{
PDName: "pd",
FSType: "ext4",
},
},
}
fakeManager := &fakePDManager{}
fakeMounter := &mount.FakeMounter{}
builder, err := plug.(*gcePersistentDiskPlugin).newBuilderInternal(volume.NewSpecFromVolume(spec), types.UID("poduid"), fakeManager, fakeMounter)
if err != nil {
t.Errorf("Failed to make a new Builder: %v", err)
}
if builder == nil {
t.Errorf("Got a nil Builder")
}
path := builder.GetPath()
if path != "/tmp/fake/pods/poduid/volumes/qingyuan~gce-pd/vol1" {
t.Errorf("Got unexpected path: %s", path)
}
if err := builder.SetUp(); err != nil {
t.Errorf("Expected success, got: %v", err)
}
if _, err := os.Stat(path); err != nil {
if os.IsNotExist(err) {
t.Errorf("SetUp() failed, volume path not created: %s", path)
} else {
t.Errorf("SetUp() failed: %v", err)
}
}
if _, err := os.Stat(path); err != nil {
if os.IsNotExist(err) {
t.Errorf("SetUp() failed, volume path not created: %s", path)
} else {
t.Errorf("SetUp() failed: %v", err)
}
}
if !fakeManager.attachCalled {
t.Errorf("Attach watch not called")
}
fakeManager = &fakePDManager{}
cleaner, err := plug.(*gcePersistentDiskPlugin).newCleanerInternal("vol1", types.UID("poduid"), fakeManager, fakeMounter)
if err != nil {
t.Errorf("Failed to make a new Cleaner: %v", err)
}
if cleaner == nil {
t.Errorf("Got a nil Cleaner")
}
if err := cleaner.TearDown(); err != nil {
t.Errorf("Expected success, got: %v", err)
}
if _, err := os.Stat(path); err == nil {
t.Errorf("TearDown() failed, volume path still exists: %s", path)
} else if !os.IsNotExist(err) {
t.Errorf("SetUp() failed: %v", err)
}
if !fakeManager.detachCalled {
t.Errorf("Detach watch not called")
}
}
func doTestPlugin(t *testing.T, spec *volume.Spec) {
plugMgr := volume.VolumePluginMgr{}
plugMgr.InitPlugins(ProbeVolumePlugins(), volume.NewFakeVolumeHost("/tmp/fake", nil, nil))
plug, err := plugMgr.FindPluginByName("qingyuan/nfs")
if err != nil {
t.Errorf("Can't find the plugin by name")
}
fake := &mount.FakeMounter{}
pod := &api.Pod{ObjectMeta: api.ObjectMeta{UID: types.UID("poduid")}}
builder, err := plug.(*nfsPlugin).newBuilderInternal(spec, pod, fake)
volumePath := builder.GetPath()
if err != nil {
t.Errorf("Failed to make a new Builder: %v", err)
}
if builder == nil {
t.Errorf("Got a nil Builder")
}
path := builder.GetPath()
if path != "/tmp/fake/pods/poduid/volumes/qingyuan~nfs/vol1" {
t.Errorf("Got unexpected path: %s", path)
}
if err := builder.SetUp(); err != nil {
t.Errorf("Expected success, got: %v", err)
}
if _, err := os.Stat(volumePath); err != nil {
if os.IsNotExist(err) {
t.Errorf("SetUp() failed, volume path not created: %s", volumePath)
} else {
t.Errorf("SetUp() failed: %v", err)
}
}
if builder.(*nfs).readOnly {
t.Errorf("The volume source should not be read-only and it is.")
}
if len(fake.Log) != 1 {
t.Errorf("Mount was not called exactly one time. It was called %d times.", len(fake.Log))
} else {
if fake.Log[0].Action != mount.FakeActionMount {
t.Errorf("Unexpected mounter action: %#v", fake.Log[0])
}
}
fake.ResetLog()
cleaner, err := plug.(*nfsPlugin).newCleanerInternal("vol1", types.UID("poduid"), fake)
if err != nil {
t.Errorf("Failed to make a new Cleaner: %v", err)
}
if cleaner == nil {
t.Errorf("Got a nil Cleaner")
}
if err := cleaner.TearDown(); err != nil {
t.Errorf("Expected success, got: %v", err)
}
if _, err := os.Stat(volumePath); err == nil {
t.Errorf("TearDown() failed, volume path still exists: %s", volumePath)
} else if !os.IsNotExist(err) {
t.Errorf("SetUp() failed: %v", err)
}
if len(fake.Log) != 1 {
t.Errorf("Unmount was not called exactly one time. It was called %d times.", len(fake.Log))
} else {
if fake.Log[0].Action != mount.FakeActionUnmount {
t.Errorf("Unexpected mounter action: %#v", fake.Log[0])
}
}
fake.ResetLog()
}
func TestBindingWithExamples(t *testing.T) {
api.ForTesting_ReferencesAllowBlankSelfLinks = true
o := testclient.NewObjects(api.Scheme, api.Scheme)
if err := testclient.AddObjectsFromPath("../../examples/persistent-volumes/claims/claim-01.yaml", o, api.Scheme); err != nil {
t.Fatal(err)
}
if err := testclient.AddObjectsFromPath("../../examples/persistent-volumes/volumes/local-01.yaml", o, api.Scheme); err != nil {
t.Fatal(err)
}
client := &testclient.Fake{ReactFn: testclient.ObjectReaction(o, latest.RESTMapper)}
pv, err := client.PersistentVolumes().Get("any")
pv.Spec.PersistentVolumeReclaimPolicy = api.PersistentVolumeReclaimRecycle
if err != nil {
t.Error("Unexpected error getting PV from client: %v", err)
}
claim, error := client.PersistentVolumeClaims("ns").Get("any")
if error != nil {
t.Errorf("Unexpected error getting PVC from client: %v", err)
}
volumeIndex := NewPersistentVolumeOrderedIndex()
mockClient := &mockBinderClient{
volume: pv,
claim: claim,
}
plugMgr := volume.VolumePluginMgr{}
plugMgr.InitPlugins(host_path.ProbeRecyclableVolumePlugins(newMockRecycler), volume.NewFakeVolumeHost("/tmp/fake", nil, nil))
recycler := &PersistentVolumeRecycler{
qingClient: client,
client: mockClient,
pluginMgr: plugMgr,
}
// adds the volume to the index, making the volume available
syncVolume(volumeIndex, mockClient, pv)
if pv.Status.Phase != api.VolumeAvailable {
t.Errorf("Expected phase %s but got %s", api.VolumeBound, pv.Status.Phase)
}
// an initial sync for a claim will bind it to an unbound volume, triggers state change
syncClaim(volumeIndex, mockClient, claim)
// state change causes another syncClaim to update statuses
syncClaim(volumeIndex, mockClient, claim)
// claim updated volume's status, causing an update and syncVolume call
syncVolume(volumeIndex, mockClient, pv)
if pv.Spec.ClaimRef == nil {
t.Errorf("Expected ClaimRef but got nil for pv.Status.ClaimRef: %+v\n", pv)
}
if pv.Status.Phase != api.VolumeBound {
t.Errorf("Expected phase %s but got %s", api.VolumeBound, pv.Status.Phase)
}
if claim.Status.Phase != api.ClaimBound {
t.Errorf("Expected phase %s but got %s", api.ClaimBound, claim.Status.Phase)
}
if len(claim.Status.AccessModes) != len(pv.Spec.AccessModes) {
t.Errorf("Expected phase %s but got %s", api.ClaimBound, claim.Status.Phase)
}
if claim.Status.AccessModes[0] != pv.Spec.AccessModes[0] {
t.Errorf("Expected access mode %s but got %s", claim.Status.AccessModes[0], pv.Spec.AccessModes[0])
}
// pretend the user deleted their claim
mockClient.claim = nil
syncVolume(volumeIndex, mockClient, pv)
if pv.Status.Phase != api.VolumeReleased {
t.Errorf("Expected phase %s but got %s", api.VolumeReleased, pv.Status.Phase)
}
if pv.Spec.ClaimRef == nil {
t.Errorf("Expected non-nil ClaimRef: %+v", pv.Spec)
}
mockClient.volume = pv
// released volumes with a PersistentVolumeReclaimPolicy (recycle/delete) can have further processing
err = recycler.reclaimVolume(pv)
if err != nil {
t.Errorf("Unexpected error reclaiming volume: %+v", err)
}
if pv.Status.Phase != api.VolumePending {
t.Errorf("Expected phase %s but got %s", api.VolumePending, pv.Status.Phase)
}
// after the recycling changes the phase to Pending, the binder picks up again
// to remove any vestiges of binding and make the volume Available again
syncVolume(volumeIndex, mockClient, pv)
if pv.Status.Phase != api.VolumeAvailable {
t.Errorf("Expected phase %s but got %s", api.VolumeAvailable, pv.Status.Phase)
}
if pv.Spec.ClaimRef != nil {
t.Errorf("Expected nil ClaimRef: %+v", pv.Spec)
}
}
func TestNewBuilder(t *testing.T) {
tests := []struct {
pv *api.PersistentVolume
claim *api.PersistentVolumeClaim
plugin volume.VolumePlugin
podVolume api.VolumeSource
testFunc func(builder volume.Builder, plugin volume.VolumePlugin) error
expectedFailure bool
}{
{
pv: &api.PersistentVolume{
ObjectMeta: api.ObjectMeta{
Name: "pvA",
},
Spec: api.PersistentVolumeSpec{
PersistentVolumeSource: api.PersistentVolumeSource{
GCEPersistentDisk: &api.GCEPersistentDiskVolumeSource{},
},
ClaimRef: &api.ObjectReference{
Name: "claimA",
},
},
},
claim: &api.PersistentVolumeClaim{
ObjectMeta: api.ObjectMeta{
Name: "claimA",
Namespace: "nsA",
},
Spec: api.PersistentVolumeClaimSpec{
VolumeName: "pvA",
},
Status: api.PersistentVolumeClaimStatus{
Phase: api.ClaimBound,
},
},
podVolume: api.VolumeSource{
PersistentVolumeClaim: &api.PersistentVolumeClaimVolumeSource{
ReadOnly: false,
ClaimName: "claimA",
},
},
plugin: gce_pd.ProbeVolumePlugins()[0],
testFunc: func(builder volume.Builder, plugin volume.VolumePlugin) error {
if !strings.Contains(builder.GetPath(), util.EscapeQualifiedNameForDisk(plugin.Name())) {
return fmt.Errorf("builder path expected to contain plugin name. Got: %s", builder.GetPath())
}
return nil
},
expectedFailure: false,
},
{
pv: &api.PersistentVolume{
ObjectMeta: api.ObjectMeta{
Name: "pvB",
},
Spec: api.PersistentVolumeSpec{
PersistentVolumeSource: api.PersistentVolumeSource{
HostPath: &api.HostPathVolumeSource{Path: "/tmp"},
},
ClaimRef: &api.ObjectReference{
Name: "claimB",
},
},
},
claim: &api.PersistentVolumeClaim{
ObjectMeta: api.ObjectMeta{
Name: "claimB",
Namespace: "nsB",
},
Spec: api.PersistentVolumeClaimSpec{
VolumeName: "pvA",
},
},
podVolume: api.VolumeSource{
PersistentVolumeClaim: &api.PersistentVolumeClaimVolumeSource{
ReadOnly: false,
ClaimName: "claimB",
},
},
plugin: host_path.ProbeVolumePlugins()[0],
testFunc: func(builder volume.Builder, plugin volume.VolumePlugin) error {
if builder.GetPath() != "/tmp" {
return fmt.Errorf("Expected HostPath.Path /tmp, got: %s", builder.GetPath())
}
return nil
},
expectedFailure: false,
},
{
pv: &api.PersistentVolume{
ObjectMeta: api.ObjectMeta{
Name: "pvA",
},
Spec: api.PersistentVolumeSpec{
PersistentVolumeSource: api.PersistentVolumeSource{
GCEPersistentDisk: &api.GCEPersistentDiskVolumeSource{},
},
},
},
claim: &api.PersistentVolumeClaim{
ObjectMeta: api.ObjectMeta{
Name: "claimA",
Namespace: "nsA",
},
Spec: api.PersistentVolumeClaimSpec{
VolumeName: "pvA",
},
Status: api.PersistentVolumeClaimStatus{
Phase: api.ClaimBound,
},
},
podVolume: api.VolumeSource{
PersistentVolumeClaim: &api.PersistentVolumeClaimVolumeSource{
ReadOnly: false,
ClaimName: "claimA",
},
},
plugin: gce_pd.ProbeVolumePlugins()[0],
testFunc: func(builder volume.Builder, plugin volume.VolumePlugin) error {
if builder != nil {
return fmt.Errorf("Unexpected non-nil builder: %+v", builder)
}
return nil
},
expectedFailure: true, // missing pv.Spec.ClaimRef
},
{
pv: &api.PersistentVolume{
ObjectMeta: api.ObjectMeta{
Name: "pvA",
},
Spec: api.PersistentVolumeSpec{
PersistentVolumeSource: api.PersistentVolumeSource{
GCEPersistentDisk: &api.GCEPersistentDiskVolumeSource{},
},
ClaimRef: &api.ObjectReference{
Name: "claimB",
UID: types.UID("abc123"),
},
},
},
claim: &api.PersistentVolumeClaim{
ObjectMeta: api.ObjectMeta{
Name: "claimA",
Namespace: "nsA",
UID: types.UID("def456"),
},
Spec: api.PersistentVolumeClaimSpec{
VolumeName: "pvA",
},
Status: api.PersistentVolumeClaimStatus{
Phase: api.ClaimBound,
},
},
podVolume: api.VolumeSource{
PersistentVolumeClaim: &api.PersistentVolumeClaimVolumeSource{
ReadOnly: false,
ClaimName: "claimA",
},
},
plugin: gce_pd.ProbeVolumePlugins()[0],
testFunc: func(builder volume.Builder, plugin volume.VolumePlugin) error {
if builder != nil {
return fmt.Errorf("Unexpected non-nil builder: %+v", builder)
}
return nil
},
expectedFailure: true, // mismatched pv.Spec.ClaimRef and pvc
},
}
for _, item := range tests {
o := testclient.NewObjects(api.Scheme, api.Scheme)
o.Add(item.pv)
o.Add(item.claim)
client := &testclient.Fake{ReactFn: testclient.ObjectReaction(o, latest.RESTMapper)}
plugMgr := volume.VolumePluginMgr{}
plugMgr.InitPlugins(testProbeVolumePlugins(), newTestHost(t, client))
plug, err := plugMgr.FindPluginByName("qingyuan/persistent-claim")
if err != nil {
t.Errorf("Can't find the plugin by name")
}
spec := &volume.Spec{
Name: "vol1",
VolumeSource: item.podVolume,
}
pod := &api.Pod{ObjectMeta: api.ObjectMeta{UID: types.UID("poduid")}}
builder, err := plug.NewBuilder(spec, pod, volume.VolumeOptions{}, nil)
if !item.expectedFailure {
if err != nil {
t.Errorf("Failed to make a new Builder: %v", err)
}
if builder == nil {
t.Errorf("Got a nil Builder: %v", builder)
}
}
if err := item.testFunc(builder, item.plugin); err != nil {
t.Errorf("Unexpected error %+v", err)
}
}
}