mirror of https://github.com/k3s-io/k3s
134 lines
4.5 KiB
Go
134 lines
4.5 KiB
Go
// +build integration,!no-etcd
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/*
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Copyright 2014 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 integration
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import (
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"testing"
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"time"
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"k8s.io/kubernetes/pkg/api"
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"k8s.io/kubernetes/pkg/api/resource"
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"k8s.io/kubernetes/pkg/api/testapi"
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client "k8s.io/kubernetes/pkg/client/unversioned"
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"k8s.io/kubernetes/pkg/controller/persistentvolume"
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"k8s.io/kubernetes/pkg/fields"
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"k8s.io/kubernetes/pkg/labels"
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"k8s.io/kubernetes/pkg/volume"
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"k8s.io/kubernetes/pkg/watch"
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)
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func init() {
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requireEtcd()
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}
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func TestPersistentVolumeRecycler(t *testing.T) {
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_, s := runAMaster(t)
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defer s.Close()
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deleteAllEtcdKeys()
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binderClient := client.NewOrDie(&client.Config{Host: s.URL, Version: testapi.Default.Version()})
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recyclerClient := client.NewOrDie(&client.Config{Host: s.URL, Version: testapi.Default.Version()})
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testClient := client.NewOrDie(&client.Config{Host: s.URL, Version: testapi.Default.Version()})
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binder := volumeclaimbinder.NewPersistentVolumeClaimBinder(binderClient, 1*time.Second)
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binder.Run()
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defer binder.Stop()
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recycler, _ := volumeclaimbinder.NewPersistentVolumeRecycler(recyclerClient, 1*time.Second, []volume.VolumePlugin{&volume.FakeVolumePlugin{"plugin-name", volume.NewFakeVolumeHost("/tmp/fake", nil, nil)}})
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recycler.Run()
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defer recycler.Stop()
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// This PV will be claimed, released, and recycled.
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pv := &api.PersistentVolume{
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ObjectMeta: api.ObjectMeta{Name: "fake-pv"},
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Spec: api.PersistentVolumeSpec{
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PersistentVolumeSource: api.PersistentVolumeSource{HostPath: &api.HostPathVolumeSource{Path: "/tmp/foo"}},
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Capacity: api.ResourceList{api.ResourceName(api.ResourceStorage): resource.MustParse("10G")},
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AccessModes: []api.PersistentVolumeAccessMode{api.ReadWriteOnce},
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PersistentVolumeReclaimPolicy: api.PersistentVolumeReclaimRecycle,
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},
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}
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pvc := &api.PersistentVolumeClaim{
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ObjectMeta: api.ObjectMeta{Name: "fake-pvc"},
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Spec: api.PersistentVolumeClaimSpec{
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Resources: api.ResourceRequirements{Requests: api.ResourceList{api.ResourceName(api.ResourceStorage): resource.MustParse("5G")}},
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AccessModes: []api.PersistentVolumeAccessMode{api.ReadWriteOnce},
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},
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}
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w, _ := testClient.PersistentVolumes().Watch(labels.Everything(), fields.Everything(), "0")
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defer w.Stop()
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_, _ = testClient.PersistentVolumes().Create(pv)
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_, _ = testClient.PersistentVolumeClaims(api.NamespaceDefault).Create(pvc)
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// wait until the binder pairs the volume and claim
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waitForPersistentVolumePhase(w, api.VolumeBound)
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// deleting a claim releases the volume, after which it can be recycled
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if err := testClient.PersistentVolumeClaims(api.NamespaceDefault).Delete(pvc.Name); err != nil {
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t.Errorf("error deleting claim %s", pvc.Name)
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}
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waitForPersistentVolumePhase(w, api.VolumeReleased)
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waitForPersistentVolumePhase(w, api.VolumeAvailable)
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// end of Recycler test.
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// Deleter test begins now.
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// tests are serial because running masters concurrently that delete keys may cause similar tests to time out
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deleteAllEtcdKeys()
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// change the reclamation policy of the PV for the next test
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pv.Spec.PersistentVolumeReclaimPolicy = api.PersistentVolumeReclaimDelete
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w, _ = testClient.PersistentVolumes().Watch(labels.Everything(), fields.Everything(), "0")
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defer w.Stop()
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_, _ = testClient.PersistentVolumes().Create(pv)
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_, _ = testClient.PersistentVolumeClaims(api.NamespaceDefault).Create(pvc)
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waitForPersistentVolumePhase(w, api.VolumeBound)
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// deleting a claim releases the volume, after which it can be recycled
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if err := testClient.PersistentVolumeClaims(api.NamespaceDefault).Delete(pvc.Name); err != nil {
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t.Errorf("error deleting claim %s", pvc.Name)
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}
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waitForPersistentVolumePhase(w, api.VolumeReleased)
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for {
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event := <-w.ResultChan()
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if event.Type == watch.Deleted {
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break
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}
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}
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}
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func waitForPersistentVolumePhase(w watch.Interface, phase api.PersistentVolumePhase) {
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for {
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event := <-w.ResultChan()
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volume := event.Object.(*api.PersistentVolume)
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if volume.Status.Phase == phase {
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break
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}
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}
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}
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