mirror of https://github.com/k3s-io/k3s
303 lines
9.6 KiB
Go
303 lines
9.6 KiB
Go
/*
|
|
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 aws_ebs
|
|
|
|
import (
|
|
"fmt"
|
|
"os"
|
|
"path"
|
|
"testing"
|
|
|
|
"k8s.io/api/core/v1"
|
|
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
|
"k8s.io/apimachinery/pkg/types"
|
|
"k8s.io/client-go/kubernetes/fake"
|
|
utiltesting "k8s.io/client-go/util/testing"
|
|
"k8s.io/kubernetes/pkg/cloudprovider/providers/aws"
|
|
"k8s.io/kubernetes/pkg/util/mount"
|
|
"k8s.io/kubernetes/pkg/volume"
|
|
volumetest "k8s.io/kubernetes/pkg/volume/testing"
|
|
)
|
|
|
|
func TestCanSupport(t *testing.T) {
|
|
tmpDir, err := utiltesting.MkTmpdir("awsebsTest")
|
|
if err != nil {
|
|
t.Fatalf("can't make a temp dir: %v", err)
|
|
}
|
|
defer os.RemoveAll(tmpDir)
|
|
plugMgr := volume.VolumePluginMgr{}
|
|
plugMgr.InitPlugins(ProbeVolumePlugins(), nil /* prober */, volumetest.NewFakeVolumeHost(tmpDir, nil, nil))
|
|
|
|
plug, err := plugMgr.FindPluginByName("kubernetes.io/aws-ebs")
|
|
if err != nil {
|
|
t.Errorf("Can't find the plugin by name")
|
|
}
|
|
if plug.GetPluginName() != "kubernetes.io/aws-ebs" {
|
|
t.Errorf("Wrong name: %s", plug.GetPluginName())
|
|
}
|
|
if !plug.CanSupport(&volume.Spec{Volume: &v1.Volume{VolumeSource: v1.VolumeSource{AWSElasticBlockStore: &v1.AWSElasticBlockStoreVolumeSource{}}}}) {
|
|
t.Errorf("Expected true")
|
|
}
|
|
if !plug.CanSupport(&volume.Spec{PersistentVolume: &v1.PersistentVolume{Spec: v1.PersistentVolumeSpec{PersistentVolumeSource: v1.PersistentVolumeSource{AWSElasticBlockStore: &v1.AWSElasticBlockStoreVolumeSource{}}}}}) {
|
|
t.Errorf("Expected true")
|
|
}
|
|
}
|
|
|
|
func TestGetAccessModes(t *testing.T) {
|
|
tmpDir, err := utiltesting.MkTmpdir("awsebsTest")
|
|
if err != nil {
|
|
t.Fatalf("can't make a temp dir: %v", err)
|
|
}
|
|
defer os.RemoveAll(tmpDir)
|
|
plugMgr := volume.VolumePluginMgr{}
|
|
plugMgr.InitPlugins(ProbeVolumePlugins(), nil /* prober */, volumetest.NewFakeVolumeHost(tmpDir, nil, nil))
|
|
|
|
plug, err := plugMgr.FindPersistentPluginByName("kubernetes.io/aws-ebs")
|
|
if err != nil {
|
|
t.Errorf("Can't find the plugin by name")
|
|
}
|
|
|
|
if !volumetest.ContainsAccessMode(plug.GetAccessModes(), v1.ReadWriteOnce) {
|
|
t.Errorf("Expected to support AccessModeTypes: %s", v1.ReadWriteOnce)
|
|
}
|
|
if volumetest.ContainsAccessMode(plug.GetAccessModes(), v1.ReadOnlyMany) {
|
|
t.Errorf("Expected not to support AccessModeTypes: %s", v1.ReadOnlyMany)
|
|
}
|
|
}
|
|
|
|
type fakePDManager struct {
|
|
}
|
|
|
|
// TODO(jonesdl) To fully test this, we could create a loopback device
|
|
// and mount that instead.
|
|
func (fake *fakePDManager) CreateVolume(c *awsElasticBlockStoreProvisioner) (volumeID aws.KubernetesVolumeID, volumeSizeGB int, labels map[string]string, fstype string, err error) {
|
|
labels = make(map[string]string)
|
|
labels["fakepdmanager"] = "yes"
|
|
return "test-aws-volume-name", 100, labels, "", nil
|
|
}
|
|
|
|
func (fake *fakePDManager) DeleteVolume(cd *awsElasticBlockStoreDeleter) error {
|
|
if cd.volumeID != "test-aws-volume-name" {
|
|
return fmt.Errorf("Deleter got unexpected volume name: %s", cd.volumeID)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func TestPlugin(t *testing.T) {
|
|
tmpDir, err := utiltesting.MkTmpdir("awsebsTest")
|
|
if err != nil {
|
|
t.Fatalf("can't make a temp dir: %v", err)
|
|
}
|
|
defer os.RemoveAll(tmpDir)
|
|
plugMgr := volume.VolumePluginMgr{}
|
|
plugMgr.InitPlugins(ProbeVolumePlugins(), nil /* prober */, volumetest.NewFakeVolumeHost(tmpDir, nil, nil))
|
|
|
|
plug, err := plugMgr.FindPluginByName("kubernetes.io/aws-ebs")
|
|
if err != nil {
|
|
t.Errorf("Can't find the plugin by name")
|
|
}
|
|
spec := &v1.Volume{
|
|
Name: "vol1",
|
|
VolumeSource: v1.VolumeSource{
|
|
AWSElasticBlockStore: &v1.AWSElasticBlockStoreVolumeSource{
|
|
VolumeID: "pd",
|
|
FSType: "ext4",
|
|
},
|
|
},
|
|
}
|
|
fakeManager := &fakePDManager{}
|
|
fakeMounter := &mount.FakeMounter{}
|
|
mounter, err := plug.(*awsElasticBlockStorePlugin).newMounterInternal(volume.NewSpecFromVolume(spec), types.UID("poduid"), fakeManager, fakeMounter)
|
|
if err != nil {
|
|
t.Errorf("Failed to make a new Mounter: %v", err)
|
|
}
|
|
if mounter == nil {
|
|
t.Errorf("Got a nil Mounter")
|
|
}
|
|
|
|
volPath := path.Join(tmpDir, "pods/poduid/volumes/kubernetes.io~aws-ebs/vol1")
|
|
path := mounter.GetPath()
|
|
if path != volPath {
|
|
t.Errorf("Got unexpected path: %s", path)
|
|
}
|
|
|
|
if err := mounter.SetUp(nil); 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)
|
|
}
|
|
}
|
|
|
|
fakeManager = &fakePDManager{}
|
|
unmounter, err := plug.(*awsElasticBlockStorePlugin).newUnmounterInternal("vol1", types.UID("poduid"), fakeManager, fakeMounter)
|
|
if err != nil {
|
|
t.Errorf("Failed to make a new Unmounter: %v", err)
|
|
}
|
|
if unmounter == nil {
|
|
t.Errorf("Got a nil Unmounter")
|
|
}
|
|
|
|
if err := unmounter.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("TearDown() failed: %v", err)
|
|
}
|
|
|
|
// Test Provisioner
|
|
options := volume.VolumeOptions{
|
|
PVC: volumetest.CreateTestPVC("100Mi", []v1.PersistentVolumeAccessMode{v1.ReadWriteOnce}),
|
|
PersistentVolumeReclaimPolicy: v1.PersistentVolumeReclaimDelete,
|
|
}
|
|
provisioner, err := plug.(*awsElasticBlockStorePlugin).newProvisionerInternal(options, &fakePDManager{})
|
|
if err != nil {
|
|
t.Errorf("Error creating new provisioner:%v", err)
|
|
}
|
|
persistentSpec, err := provisioner.Provision()
|
|
if err != nil {
|
|
t.Errorf("Provision() failed: %v", err)
|
|
}
|
|
|
|
if persistentSpec.Spec.PersistentVolumeSource.AWSElasticBlockStore.VolumeID != "test-aws-volume-name" {
|
|
t.Errorf("Provision() returned unexpected volume ID: %s", persistentSpec.Spec.PersistentVolumeSource.AWSElasticBlockStore.VolumeID)
|
|
}
|
|
cap := persistentSpec.Spec.Capacity[v1.ResourceStorage]
|
|
size := cap.Value()
|
|
if size != 100*1024*1024*1024 {
|
|
t.Errorf("Provision() returned unexpected volume size: %v", size)
|
|
}
|
|
|
|
if persistentSpec.Labels["fakepdmanager"] != "yes" {
|
|
t.Errorf("Provision() returned unexpected labels: %v", persistentSpec.Labels)
|
|
}
|
|
|
|
// Test Deleter
|
|
volSpec := &volume.Spec{
|
|
PersistentVolume: persistentSpec,
|
|
}
|
|
deleter, err := plug.(*awsElasticBlockStorePlugin).newDeleterInternal(volSpec, &fakePDManager{})
|
|
if err != nil {
|
|
t.Errorf("Error creating new deleter:%v", err)
|
|
}
|
|
err = deleter.Delete()
|
|
if err != nil {
|
|
t.Errorf("Deleter() failed: %v", err)
|
|
}
|
|
}
|
|
|
|
func TestPersistentClaimReadOnlyFlag(t *testing.T) {
|
|
pv := &v1.PersistentVolume{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: "pvA",
|
|
},
|
|
Spec: v1.PersistentVolumeSpec{
|
|
PersistentVolumeSource: v1.PersistentVolumeSource{
|
|
AWSElasticBlockStore: &v1.AWSElasticBlockStoreVolumeSource{},
|
|
},
|
|
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,
|
|
},
|
|
}
|
|
|
|
clientset := fake.NewSimpleClientset(pv, claim)
|
|
|
|
tmpDir, err := utiltesting.MkTmpdir("awsebsTest")
|
|
if err != nil {
|
|
t.Fatalf("can't make a temp dir: %v", err)
|
|
}
|
|
defer os.RemoveAll(tmpDir)
|
|
plugMgr := volume.VolumePluginMgr{}
|
|
plugMgr.InitPlugins(ProbeVolumePlugins(), nil /* prober */, volumetest.NewFakeVolumeHost(tmpDir, clientset, nil))
|
|
plug, _ := plugMgr.FindPluginByName(awsElasticBlockStorePluginName)
|
|
|
|
// 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{UID: types.UID("poduid")}}
|
|
mounter, _ := plug.NewMounter(spec, pod, volume.VolumeOptions{})
|
|
|
|
if !mounter.GetAttributes().ReadOnly {
|
|
t.Errorf("Expected true for mounter.IsReadOnly")
|
|
}
|
|
}
|
|
|
|
func TestMounterAndUnmounterTypeAssert(t *testing.T) {
|
|
tmpDir, err := utiltesting.MkTmpdir("awsebsTest")
|
|
if err != nil {
|
|
t.Fatalf("can't make a temp dir: %v", err)
|
|
}
|
|
defer os.RemoveAll(tmpDir)
|
|
plugMgr := volume.VolumePluginMgr{}
|
|
plugMgr.InitPlugins(ProbeVolumePlugins(), nil /* prober */, volumetest.NewFakeVolumeHost(tmpDir, nil, nil))
|
|
|
|
plug, err := plugMgr.FindPluginByName("kubernetes.io/aws-ebs")
|
|
if err != nil {
|
|
t.Errorf("Can't find the plugin by name")
|
|
}
|
|
spec := &v1.Volume{
|
|
Name: "vol1",
|
|
VolumeSource: v1.VolumeSource{
|
|
AWSElasticBlockStore: &v1.AWSElasticBlockStoreVolumeSource{
|
|
VolumeID: "pd",
|
|
FSType: "ext4",
|
|
},
|
|
},
|
|
}
|
|
|
|
mounter, err := plug.(*awsElasticBlockStorePlugin).newMounterInternal(volume.NewSpecFromVolume(spec), types.UID("poduid"), &fakePDManager{}, &mount.FakeMounter{})
|
|
if err != nil {
|
|
t.Errorf("Error creating new mounter:%v", err)
|
|
}
|
|
if _, ok := mounter.(volume.Unmounter); ok {
|
|
t.Errorf("Volume Mounter can be type-assert to Unmounter")
|
|
}
|
|
|
|
unmounter, err := plug.(*awsElasticBlockStorePlugin).newUnmounterInternal("vol1", types.UID("poduid"), &fakePDManager{}, &mount.FakeMounter{})
|
|
if err != nil {
|
|
t.Errorf("Error creating new unmounter:%v", err)
|
|
}
|
|
if _, ok := unmounter.(volume.Mounter); ok {
|
|
t.Errorf("Volume Unmounter can be type-assert to Mounter")
|
|
}
|
|
}
|