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Merge pull request #16432 from markturansky/recycler_race

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k8s-merge-robot
2015-11-25 11:54:06 -08:00
parent 46eca25d71 b9b8cf7fff
commit 7f2f7aa091
5 changed files with 341 additions and 280 deletions
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51
test/integration/persistent_volumes_test.go
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@@ -19,6 +19,8 @@ limitations under the License.
package integration
import (
"fmt"
"math/rand"
"testing"
"time"
@@ -28,6 +30,7 @@ import (
"k8s.io/kubernetes/pkg/api/unversioned"
client "k8s.io/kubernetes/pkg/client/unversioned"
persistentvolumecontroller "k8s.io/kubernetes/pkg/controller/persistentvolume"
"k8s.io/kubernetes/pkg/conversion"
"k8s.io/kubernetes/pkg/fields"
"k8s.io/kubernetes/pkg/labels"
"k8s.io/kubernetes/pkg/volume"
@@ -48,11 +51,11 @@ func TestPersistentVolumeRecycler(t *testing.T) {
recyclerClient := client.NewOrDie(&client.Config{Host: s.URL, GroupVersion: testapi.Default.GroupVersion()})
testClient := client.NewOrDie(&client.Config{Host: s.URL, GroupVersion: testapi.Default.GroupVersion()})
binder := persistentvolumecontroller.NewPersistentVolumeClaimBinder(binderClient, 1*time.Second)
binder := persistentvolumecontroller.NewPersistentVolumeClaimBinder(binderClient, 10*time.Minute)
binder.Run()
defer binder.Stop()
recycler, _ := persistentvolumecontroller.NewPersistentVolumeRecycler(recyclerClient, 1*time.Second, []volume.VolumePlugin{&volume.FakeVolumePlugin{"plugin-name", volume.NewFakeVolumeHost("/tmp/fake", nil, nil)}})
recycler, _ := persistentvolumecontroller.NewPersistentVolumeRecycler(recyclerClient, 30*time.Minute, []volume.VolumePlugin{&volume.FakeVolumePlugin{"plugin-name", volume.NewFakeVolumeHost("/tmp/fake", nil, nil)}})
recycler.Run()
defer recycler.Stop()
@@ -122,6 +125,50 @@ func TestPersistentVolumeRecycler(t *testing.T) {
break
}
}
// test the race between claims and volumes. ensure only a volume only binds to a single claim.
deleteAllEtcdKeys()
counter := 0
maxClaims := 100
claims := []*api.PersistentVolumeClaim{}
for counter <= maxClaims {
counter += 1
clone, _ := conversion.NewCloner().DeepCopy(pvc)
newPvc, _ := clone.(*api.PersistentVolumeClaim)
newPvc.ObjectMeta = api.ObjectMeta{Name: fmt.Sprintf("fake-pvc-%d", counter)}
claim, err := testClient.PersistentVolumeClaims(api.NamespaceDefault).Create(newPvc)
if err != nil {
t.Fatal("Error creating newPvc: %v", err)
}
claims = append(claims, claim)
}
// putting a bind manually on a pv should only match the claim it is bound to
rand.Seed(time.Now().Unix())
claim := claims[rand.Intn(maxClaims-1)]
claimRef, err := api.GetReference(claim)
if err != nil {
t.Fatalf("Unexpected error getting claimRef: %v", err)
}
pv.Spec.ClaimRef = claimRef
pv, err = testClient.PersistentVolumes().Create(pv)
if err != nil {
t.Fatalf("Unexpected error creating pv: %v", err)
}
waitForPersistentVolumePhase(w, api.VolumeBound)
pv, err = testClient.PersistentVolumes().Get(pv.Name)
if err != nil {
t.Fatalf("Unexpected error getting pv: %v", err)
}
if pv.Spec.ClaimRef == nil {
t.Fatalf("Unexpected nil claimRef")
}
if pv.Spec.ClaimRef.Namespace != claimRef.Namespace || pv.Spec.ClaimRef.Name != claimRef.Name {
t.Fatalf("Bind mismatch! Expected %s/%s but got %s/%s", claimRef.Namespace, claimRef.Name, pv.Spec.ClaimRef.Namespace, pv.Spec.ClaimRef.Name)
}
}
func waitForPersistentVolumePhase(w watch.Interface, phase api.PersistentVolumePhase) {