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f4df7d0eb27b51a0f47a49616b8b32e0bf9c18a7
kubernetes/pkg/volume/glusterfs/glusterfs_test.go

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/*
Copyright 2014 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package glusterfs
import (
"fmt"
"os"
"reflect"
"testing"
gapi "github.com/heketi/heketi/pkg/glusterfs/api"
"k8s.io/mount-utils"
v1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/types"
"k8s.io/client-go/kubernetes/fake"
core "k8s.io/client-go/testing"
utiltesting "k8s.io/client-go/util/testing"
"k8s.io/kubernetes/pkg/volume"
volumetest "k8s.io/kubernetes/pkg/volume/testing"
)
func TestCanSupport(t *testing.T) {
tmpDir, err := utiltesting.MkTmpdir("glusterfs_test")
if err != nil {
t.Fatalf("error creating temp dir: %v", err)
}
defer os.RemoveAll(tmpDir)
plugMgr := volume.VolumePluginMgr{}
plugMgr.InitPlugins(ProbeVolumePlugins(), nil /* prober */, volumetest.NewFakeVolumeHost(t, tmpDir, nil, nil))
plug, err := plugMgr.FindPluginByName("kubernetes.io/glusterfs")
if err != nil {
t.Fatal("Can't find the plugin by name")
}
if plug.GetPluginName() != "kubernetes.io/glusterfs" {
t.Errorf("Wrong name: %s", plug.GetPluginName())
}
if plug.CanSupport(&volume.Spec{}) {
t.Errorf("Expected false")
}
if plug.CanSupport(&volume.Spec{Volume: &v1.Volume{VolumeSource: v1.VolumeSource{}}}) {
t.Errorf("Expected false")
}
if !plug.CanSupport(&volume.Spec{Volume: &v1.Volume{VolumeSource: v1.VolumeSource{Glusterfs: &v1.GlusterfsVolumeSource{}}}}) {
t.Errorf("Expected true")
}
if plug.CanSupport(&volume.Spec{PersistentVolume: &v1.PersistentVolume{Spec: v1.PersistentVolumeSpec{}}}) {
t.Errorf("Expected false")
}
if plug.CanSupport(&volume.Spec{PersistentVolume: &v1.PersistentVolume{Spec: v1.PersistentVolumeSpec{PersistentVolumeSource: v1.PersistentVolumeSource{}}}}) {
t.Errorf("Expected false")
}
if !plug.CanSupport(&volume.Spec{PersistentVolume: &v1.PersistentVolume{Spec: v1.PersistentVolumeSpec{PersistentVolumeSource: v1.PersistentVolumeSource{Glusterfs: &v1.GlusterfsPersistentVolumeSource{}}}}}) {
t.Errorf("Expected true")
}
}
func TestGetAccessModes(t *testing.T) {
tmpDir, err := utiltesting.MkTmpdir("glusterfs_test")
if err != nil {
t.Fatalf("error creating temp dir: %v", err)
}
defer os.RemoveAll(tmpDir)
plugMgr := volume.VolumePluginMgr{}
plugMgr.InitPlugins(ProbeVolumePlugins(), nil /* prober */, volumetest.NewFakeVolumeHost(t, tmpDir, nil, nil))
plug, err := plugMgr.FindPersistentPluginByName("kubernetes.io/glusterfs")
if err != nil {
t.Errorf("Can't find the plugin by name")
}
if !volumetest.ContainsAccessMode(plug.GetAccessModes(), v1.ReadWriteOnce) || !volumetest.ContainsAccessMode(plug.GetAccessModes(), v1.ReadOnlyMany) || !volumetest.ContainsAccessMode(plug.GetAccessModes(), v1.ReadWriteMany) {
t.Errorf("Expected three AccessModeTypes: %s, %s, and %s", v1.ReadWriteOnce, v1.ReadOnlyMany, v1.ReadWriteMany)
}
}
func doTestPlugin(t *testing.T, spec *volume.Spec) {
tmpDir, err := utiltesting.MkTmpdir("glusterfs_test")
if err != nil {
t.Fatalf("error creating temp dir: %v", err)
}
defer os.RemoveAll(tmpDir)
plugMgr := volume.VolumePluginMgr{}
plugMgr.InitPlugins(ProbeVolumePlugins(), nil /* prober */, volumetest.NewFakeVolumeHost(t, tmpDir, nil, nil))
plug, err := plugMgr.FindPluginByName("kubernetes.io/glusterfs")
if err != nil {
t.Errorf("Can't find the plugin by name")
}
ep := &v1.Endpoints{ObjectMeta: metav1.ObjectMeta{Name: "foo"}, Subsets: []v1.EndpointSubset{{
Addresses: []v1.EndpointAddress{{IP: "127.0.0.1"}}}}}
pod := &v1.Pod{ObjectMeta: metav1.ObjectMeta{UID: types.UID("poduid")}}
mounter, err := plug.(*glusterfsPlugin).newMounterInternal(spec, ep, pod, mount.NewFakeMounter(nil))
volumePath := mounter.GetPath()
if err != nil {
t.Errorf("Failed to make a new Mounter: %v", err)
}
if mounter == nil {
t.Error("Got a nil Mounter")
}
expectedPath := fmt.Sprintf("%s/pods/poduid/volumes/kubernetes.io~glusterfs/vol1", tmpDir)
if volumePath != expectedPath {
t.Errorf("Unexpected path, expected %q, got: %q", expectedPath, volumePath)
}
if err := mounter.SetUp(volume.MounterArgs{}); 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)
}
}
unmounter, err := plug.(*glusterfsPlugin).newUnmounterInternal("vol1", types.UID("poduid"), mount.NewFakeMounter(nil))
if err != nil {
t.Errorf("Failed to make a new Unmounter: %v", err)
}
if unmounter == nil {
t.Error("Got a nil Unmounter")
}
if err := unmounter.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("TearDown() failed: %v", err)
}
}
func TestPluginVolume(t *testing.T) {
vol := &v1.Volume{
Name: "vol1",
VolumeSource: v1.VolumeSource{Glusterfs: &v1.GlusterfsVolumeSource{EndpointsName: "ep", Path: "vol", ReadOnly: false}},
}
doTestPlugin(t, volume.NewSpecFromVolume(vol))
}
func TestPluginPersistentVolume(t *testing.T) {
vol := &v1.PersistentVolume{
ObjectMeta: metav1.ObjectMeta{
Name: "vol1",
},
Spec: v1.PersistentVolumeSpec{
PersistentVolumeSource: v1.PersistentVolumeSource{
Glusterfs: &v1.GlusterfsPersistentVolumeSource{EndpointsName: "ep", Path: "vol", ReadOnly: false},
},
},
}
doTestPlugin(t, volume.NewSpecFromPersistentVolume(vol, false))
}
func TestPersistentClaimReadOnlyFlag(t *testing.T) {
tmpDir, err := utiltesting.MkTmpdir("glusterfs_test")
if err != nil {
t.Fatalf("error creating temp dir: %v", err)
}
defer os.RemoveAll(tmpDir)
pv := &v1.PersistentVolume{
ObjectMeta: metav1.ObjectMeta{
Name: "pvA",
},
Spec: v1.PersistentVolumeSpec{
PersistentVolumeSource: v1.PersistentVolumeSource{
Glusterfs: &v1.GlusterfsPersistentVolumeSource{EndpointsName: "ep", Path: "vol", ReadOnly: false},
},
ClaimRef: &v1.ObjectReference{
Name: "claimA",
},
},
}
claim := &v1.PersistentVolumeClaim{
ObjectMeta: metav1.ObjectMeta{
Name: "claimA",
Namespace: "nsA",
},
Spec: v1.PersistentVolumeClaimSpec{
VolumeName: "pvA",
},
Status: v1.PersistentVolumeClaimStatus{
Phase: v1.ClaimBound,
},
}
ep := &v1.Endpoints{
ObjectMeta: metav1.ObjectMeta{
Namespace: "nsA",
Name: "ep",
},
Subsets: []v1.EndpointSubset{{
Addresses: []v1.EndpointAddress{{IP: "127.0.0.1"}},
Ports: []v1.EndpointPort{{Name: "foo", Port: 80, Protocol: v1.ProtocolTCP}},
}},
}
client := fake.NewSimpleClientset(pv, claim, ep)
plugMgr := volume.VolumePluginMgr{}
plugMgr.InitPlugins(ProbeVolumePlugins(), nil /* prober */, volumetest.NewFakeVolumeHost(t, tmpDir, client, nil))
plug, _ := plugMgr.FindPluginByName(glusterfsPluginName)
// readOnly bool is supplied by persistent-claim volume source when its mounter creates other volumes
spec := volume.NewSpecFromPersistentVolume(pv, true)
pod := &v1.Pod{ObjectMeta: metav1.ObjectMeta{Namespace: "nsA", UID: types.UID("poduid")}}
mounter, _ := plug.NewMounter(spec, pod, volume.VolumeOptions{})
if !mounter.GetAttributes().ReadOnly {
t.Errorf("Expected true for mounter.IsReadOnly")
}
}
func TestParseClassParameters(t *testing.T) {
secret := v1.Secret{
Type: "kubernetes.io/glusterfs",
Data: map[string][]byte{
"data": []byte("mypassword"),
},
}
tests := []struct {
name string
parameters map[string]string
secret *v1.Secret
expectError bool
expectConfig *provisionerConfig
}{
{
"password",
map[string]string{
"resturl": "https://localhost:8080",
"restuser": "admin",
"restuserkey": "password",
},
nil, // secret
false, // expect error
&provisionerConfig{
url: "https://localhost:8080",
user: "admin",
userKey: "password",
secretValue: "password",
gidMin: 2000,
gidMax: 2147483647,
volumeType: gapi.VolumeDurabilityInfo{Type: "replicate", Replicate: gapi.ReplicaDurability{Replica: 3}, Disperse: gapi.DisperseDurability{Data: 0, Redundancy: 0}},
thinPoolSnapFactor: float32(1.0),
customEpNamePrefix: "glusterfs-dynamic",
},
},
{
"secret",
map[string]string{
"resturl": "https://localhost:8080",
"restuser": "admin",
"secretname": "mysecret",
"secretnamespace": "default",
},
&secret,
false, // expect error
&provisionerConfig{
url: "https://localhost:8080",
user: "admin",
secretName: "mysecret",
secretNamespace: "default",
secretValue: "mypassword",
gidMin: 2000,
gidMax: 2147483647,
volumeType: gapi.VolumeDurabilityInfo{Type: "replicate", Replicate: gapi.ReplicaDurability{Replica: 3}, Disperse: gapi.DisperseDurability{Data: 0, Redundancy: 0}},
thinPoolSnapFactor: float32(1.0),
customEpNamePrefix: "glusterfs-dynamic",
},
},
{
"no authentication",
map[string]string{
"resturl": "https://localhost:8080",
"restauthenabled": "false",
},
&secret,
false, // expect error
&provisionerConfig{
url: "https://localhost:8080",
gidMin: 2000,
gidMax: 2147483647,
volumeType: gapi.VolumeDurabilityInfo{Type: "replicate", Replicate: gapi.ReplicaDurability{Replica: 3}, Disperse: gapi.DisperseDurability{Data: 0, Redundancy: 0}},
thinPoolSnapFactor: float32(1.0),
customEpNamePrefix: "glusterfs-dynamic",
},
},
{
"missing secret",
map[string]string{
"resturl": "https://localhost:8080",
"secretname": "mysecret",
"secretnamespace": "default",
},
nil, // secret
true, // expect error
nil,
},
{
"secret with no namespace",
map[string]string{
"resturl": "https://localhost:8080",
"secretname": "mysecret",
},
&secret,
true, // expect error
nil,
},
{
"missing url",
map[string]string{
"restuser": "admin",
"restuserkey": "password",
},
nil, // secret
true, // expect error
nil,
},
{
"unknown parameter",
map[string]string{
"unknown": "yes",
"resturl": "https://localhost:8080",
"restuser": "admin",
"restuserkey": "password",
},
nil, // secret
true, // expect error
nil,
},
{
"invalid gidMin #1",
map[string]string{
"resturl": "https://localhost:8080",
"restauthenabled": "false",
"gidMin": "0",
},
&secret,
true, // expect error
nil,
},
{
"invalid gidMin #2",
map[string]string{
"resturl": "https://localhost:8080",
"restauthenabled": "false",
"gidMin": "1999",
},
&secret,
true, // expect error
nil,
},
{
"invalid gidMin #3",
map[string]string{
"resturl": "https://localhost:8080",
"restauthenabled": "false",
"gidMin": "1999",
},
&secret,
true, // expect error
nil,
},
{
"invalid gidMax #1",
map[string]string{
"resturl": "https://localhost:8080",
"restauthenabled": "false",
"gidMax": "0",
},
&secret,
true, // expect error
nil,
},
{
"invalid gidMax #2",
map[string]string{
"resturl": "https://localhost:8080",
"restauthenabled": "false",
"gidMax": "1999",
},
&secret,
true, // expect error
nil,
},
{
"invalid gidMax #3",
map[string]string{
"resturl": "https://localhost:8080",
"restauthenabled": "false",
"gidMax": "1999",
},
&secret,
true, // expect error
nil,
},
{
"invalid gidMin:gidMax",
map[string]string{
"resturl": "https://localhost:8080",
"restauthenabled": "false",
"gidMin": "5001",
"gidMax": "5000",
},
&secret,
true, // expect error
nil,
},
{
"valid gidMin",
map[string]string{
"resturl": "https://localhost:8080",
"restauthenabled": "false",
"gidMin": "4000",
},
&secret,
false, // expect error
&provisionerConfig{
url: "https://localhost:8080",
gidMin: 4000,
gidMax: 2147483647,
volumeType: gapi.VolumeDurabilityInfo{Type: "replicate", Replicate: gapi.ReplicaDurability{Replica: 3}, Disperse: gapi.DisperseDurability{Data: 0, Redundancy: 0}},
thinPoolSnapFactor: float32(1.0),
customEpNamePrefix: "glusterfs-dynamic",
},
},
{
"valid gidMax",
map[string]string{
"resturl": "https://localhost:8080",
"restauthenabled": "false",
"gidMax": "5000",
},
&secret,
false, // expect error
&provisionerConfig{
url: "https://localhost:8080",
gidMin: 2000,
gidMax: 5000,
volumeType: gapi.VolumeDurabilityInfo{Type: "replicate", Replicate: gapi.ReplicaDurability{Replica: 3}, Disperse: gapi.DisperseDurability{Data: 0, Redundancy: 0}},
thinPoolSnapFactor: float32(1.0),
customEpNamePrefix: "glusterfs-dynamic",
},
},
{
"valid gidMin:gidMax",
map[string]string{
"resturl": "https://localhost:8080",
"restauthenabled": "false",
"gidMin": "4000",
"gidMax": "5000",
},
&secret,
false, // expect error
&provisionerConfig{
url: "https://localhost:8080",
gidMin: 4000,
gidMax: 5000,
volumeType: gapi.VolumeDurabilityInfo{Type: "replicate", Replicate: gapi.ReplicaDurability{Replica: 3}, Disperse: gapi.DisperseDurability{Data: 0, Redundancy: 0}},
thinPoolSnapFactor: float32(1.0),
customEpNamePrefix: "glusterfs-dynamic",
},
},
{
"valid volumetype: replicate",
map[string]string{
"resturl": "https://localhost:8080",
"restauthenabled": "false",
"gidMin": "4000",
"gidMax": "5000",
"volumetype": "replicate:4",
},
&secret,
false, // expect error
&provisionerConfig{
url: "https://localhost:8080",
gidMin: 4000,
gidMax: 5000,
volumeType: gapi.VolumeDurabilityInfo{Type: "replicate", Replicate: gapi.ReplicaDurability{Replica: 4}, Disperse: gapi.DisperseDurability{Data: 0, Redundancy: 0}},
thinPoolSnapFactor: float32(1.0),
customEpNamePrefix: "glusterfs-dynamic",
},
},
{
"valid volumetype: disperse",
map[string]string{
"resturl": "https://localhost:8080",
"restauthenabled": "false",
"gidMin": "4000",
"gidMax": "5000",
"volumetype": "disperse:4:2",
},
&secret,
false, // expect error
&provisionerConfig{
url: "https://localhost:8080",
gidMin: 4000,
gidMax: 5000,
volumeType: gapi.VolumeDurabilityInfo{Type: "disperse", Replicate: gapi.ReplicaDurability{Replica: 0}, Disperse: gapi.DisperseDurability{Data: 4, Redundancy: 2}},
thinPoolSnapFactor: float32(1.0),
customEpNamePrefix: "glusterfs-dynamic",
},
},
{
"valid snapfactor: 50",
map[string]string{
"resturl": "https://localhost:8080",
"restauthenabled": "false",
"gidMin": "4000",
"gidMax": "5000",
"volumetype": "disperse:4:2",
"snapfactor": "50",
},
&secret,
false, // expect error
&provisionerConfig{
url: "https://localhost:8080",
gidMin: 4000,
gidMax: 5000,
volumeType: gapi.VolumeDurabilityInfo{Type: "disperse", Replicate: gapi.ReplicaDurability{Replica: 0}, Disperse: gapi.DisperseDurability{Data: 4, Redundancy: 2}},
thinPoolSnapFactor: float32(50),
customEpNamePrefix: "glusterfs-dynamic",
},
},
{
"valid volumenameprefix: dept-dev",
map[string]string{
"resturl": "https://localhost:8080",
"restauthenabled": "false",
"gidMin": "4000",
"gidMax": "5000",
"volumetype": "disperse:4:2",
"snapfactor": "50",
"volumenameprefix": "dept-dev",
},
&secret,
false, // expect error
&provisionerConfig{
url: "https://localhost:8080",
gidMin: 4000,
gidMax: 5000,
volumeType: gapi.VolumeDurabilityInfo{Type: "disperse", Replicate: gapi.ReplicaDurability{Replica: 0}, Disperse: gapi.DisperseDurability{Data: 4, Redundancy: 2}},
thinPoolSnapFactor: float32(50),
volumeNamePrefix: "dept-dev",
customEpNamePrefix: "glusterfs-dynamic",
},
},
{
"invalid volumetype (disperse) parameter",
map[string]string{
"resturl": "https://localhost:8080",
"restauthenabled": "false",
"volumetype": "disperse:4:asd",
},
&secret,
true, // expect error
nil,
},
{
"invalid volumetype (replicate) parameter",
map[string]string{
"resturl": "https://localhost:8080",
"restauthenabled": "false",
"volumetype": "replicate:asd",
},
&secret,
true, // expect error
nil,
},
{
"invalid volumetype: unknown volumetype",
map[string]string{
"resturl": "https://localhost:8080",
"restauthenabled": "false",
"volumetype": "dispersereplicate:4:2",
},
&secret,
true, // expect error
nil,
},
{
"invalid volumetype : negative value",
map[string]string{
"resturl": "https://localhost:8080",
"restauthenabled": "false",
"volumetype": "replicate:-1000",
},
&secret,
true, // expect error
nil,
},
{
"invalid thinPoolSnapFactor: value out of range",
map[string]string{
"resturl": "https://localhost:8080",
"restauthenabled": "false",
"snapfactor": "0.5",
},
&secret,
true, // expect error
nil,
},
{
"invalid volumenameprefix: string starting with '_'",
map[string]string{
"resturl": "https://localhost:8080",
"restauthenabled": "false",
"volumenameprefix": "_",
},
&secret,
true, // expect error
nil,
},
{
"invalid volumenameprefix: string with '_'",
map[string]string{
"resturl": "https://localhost:8080",
"restauthenabled": "false",
"volumenameprefix": "qe_dept",
},
&secret,
true, // expect error
nil,
},
{
"invalid thinPoolSnapFactor: value out of range",
map[string]string{
"resturl": "https://localhost:8080",
"restauthenabled": "false",
"snapfactor": "120",
},
&secret,
true, // expect error
nil,
},
{
"enable custom ep/svc name: customEpNamePrefix: myprefix",
map[string]string{
"resturl": "https://localhost:8080",
"restauthenabled": "false",
"gidMin": "4000",
"gidMax": "5000",
"volumetype": "replicate:4",
"customEpNamePrefix": "myprefix",
},
&secret,
false, // expect error
&provisionerConfig{
url: "https://localhost:8080",
gidMin: 4000,
gidMax: 5000,
volumeType: gapi.VolumeDurabilityInfo{Type: "replicate", Replicate: gapi.ReplicaDurability{Replica: 4}, Disperse: gapi.DisperseDurability{Data: 0, Redundancy: 0}},
thinPoolSnapFactor: float32(1.0),
customEpNamePrefix: "myprefix",
},
},
{
"empty custom ep/svc name: customEpNamePrefix:''",
map[string]string{
"resturl": "https://localhost:8080",
"restauthenabled": "false",
"gidMin": "4000",
"gidMax": "5000",
"volumetype": "replicate:4",
"customEpNamePrefix": "",
},
&secret,
false, // expect error
&provisionerConfig{
url: "https://localhost:8080",
gidMin: 4000,
gidMax: 5000,
volumeType: gapi.VolumeDurabilityInfo{Type: "replicate", Replicate: gapi.ReplicaDurability{Replica: 4}, Disperse: gapi.DisperseDurability{Data: 0, Redundancy: 0}},
thinPoolSnapFactor: float32(1.0),
customEpNamePrefix: "",
},
},
{
"custom ep/svc name with 26 chars: customEpNamePrefix:'charstringhastwentysixchar'",
map[string]string{
"resturl": "https://localhost:8080",
"restauthenabled": "false",
"gidMin": "4000",
"gidMax": "5000",
"volumetype": "replicate:4",
"customEpNamePrefix": "charstringhastwentysixchar",
},
&secret,
false, // expect error
&provisionerConfig{
url: "https://localhost:8080",
gidMin: 4000,
gidMax: 5000,
volumeType: gapi.VolumeDurabilityInfo{Type: "replicate", Replicate: gapi.ReplicaDurability{Replica: 4}, Disperse: gapi.DisperseDurability{Data: 0, Redundancy: 0}},
thinPoolSnapFactor: float32(1.0),
customEpNamePrefix: "charstringhastwentysixchar",
},
},
{
"invalid customepnameprefix ( ie >26 chars) parameter",
map[string]string{
"resturl": "https://localhost:8080",
"restauthenabled": "false",
"gidMin": "4000",
"gidMax": "5000",
"volumetype": "replicate:4",
"customEpNamePrefix": "myprefixhasmorethan26characters",
},
&secret,
true, // expect error
nil,
},
}
for _, test := range tests {
client := &fake.Clientset{}
client.AddReactor("get", "secrets", func(action core.Action) (handled bool, ret runtime.Object, err error) {
if test.secret != nil {
return true, test.secret, nil
}
return true, nil, fmt.Errorf("test %s did not set a secret", test.name)
})
cfg, err := parseClassParameters(test.parameters, client)
if err != nil && !test.expectError {
t.Errorf("Test %s got unexpected error %v", test.name, err)
}
if err == nil && test.expectError {
t.Errorf("test %s expected error and got none", test.name)
}
if test.expectConfig != nil {
if !reflect.DeepEqual(cfg, test.expectConfig) {
t.Errorf("Test %s returned unexpected data, expected: %+v, got: %+v", test.name, test.expectConfig, cfg)
}
}
}
}
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