// Calls Run()
// Verifies there are no calls to attach, detach, mount, unmount, etc.
func Test_Run_Positive_DoNothing(t *testing.T) {
// Arrange
volumePluginMgr, fakePlugin := volumetesting.GetTestVolumePluginMgr(t)
dsw := cache.NewDesiredStateOfWorld(volumePluginMgr)
asw := cache.NewActualStateOfWorld(nodeName, volumePluginMgr)
kubeClient := createTestClient()
oex := operationexecutor.NewOperationExecutor(kubeClient, volumePluginMgr)
reconciler := NewReconciler(
kubeClient,
false, /* controllerAttachDetachEnabled */
reconcilerLoopSleepDuration,
reconcilerReconstructSleepPeriod,
waitForAttachTimeout,
nodeName,
dsw,
asw,
oex,
&mount.FakeMounter{},
volumePluginMgr,
kubeletPodsDir)
// Act
runReconciler(reconciler)
// Assert
assert.NoError(t, volumetesting.VerifyZeroAttachCalls(fakePlugin))
assert.NoError(t, volumetesting.VerifyZeroWaitForAttachCallCount(fakePlugin))
assert.NoError(t, volumetesting.VerifyZeroMountDeviceCallCount(fakePlugin))
assert.NoError(t, volumetesting.VerifyZeroSetUpCallCount(fakePlugin))
assert.NoError(t, volumetesting.VerifyZeroTearDownCallCount(fakePlugin))
assert.NoError(t, volumetesting.VerifyZeroDetachCallCount(fakePlugin))
}
// Populates desiredStateOfWorld cache with one volume/pod.
// Enables controllerAttachDetachEnabled.
// Calls Run()
// Verifies there is one mount call and no unmount calls.
// Verifies there are no attach/detach calls.
func Test_Run_Positive_VolumeMountControllerAttachEnabled(t *testing.T) {
// Arrange
volumePluginMgr, fakePlugin := volumetesting.GetTestVolumePluginMgr(t)
dsw := cache.NewDesiredStateOfWorld(volumePluginMgr)
asw := cache.NewActualStateOfWorld(nodeName, volumePluginMgr)
kubeClient := createTestClient()
oex := operationexecutor.NewOperationExecutor(kubeClient, volumePluginMgr)
reconciler := NewReconciler(
kubeClient,
true, /* controllerAttachDetachEnabled */
reconcilerLoopSleepDuration,
waitForAttachTimeout,
nodeName,
dsw,
asw,
oex)
pod := &api.Pod{
ObjectMeta: api.ObjectMeta{
Name: "pod1",
UID: "pod1uid",
},
Spec: api.PodSpec{
Volumes: []api.Volume{
{
Name: "volume-name",
VolumeSource: api.VolumeSource{
GCEPersistentDisk: &api.GCEPersistentDiskVolumeSource{
PDName: "fake-device1",
},
},
},
},
},
}
volumeSpec := &volume.Spec{Volume: &pod.Spec.Volumes[0]}
podName := volumehelper.GetUniquePodName(pod)
_, err := dsw.AddPodToVolume(
podName, pod, volumeSpec, volumeSpec.Name(), "" /* volumeGidValue */)
// Assert
if err != nil {
t.Fatalf("AddPodToVolume failed. Expected: <no error> Actual: <%v>", err)
}
// Act
go reconciler.Run(wait.NeverStop)
waitForAttach(t, fakePlugin, asw)
// Assert
assert.NoError(t, volumetesting.VerifyZeroAttachCalls(fakePlugin))
assert.NoError(t, volumetesting.VerifyWaitForAttachCallCount(
1 /* expectedWaitForAttachCallCount */, fakePlugin))
assert.NoError(t, volumetesting.VerifyMountDeviceCallCount(
1 /* expectedMountDeviceCallCount */, fakePlugin))
assert.NoError(t, volumetesting.VerifySetUpCallCount(
1 /* expectedSetUpCallCount */, fakePlugin))
assert.NoError(t, volumetesting.VerifyZeroTearDownCallCount(fakePlugin))
assert.NoError(t, volumetesting.VerifyZeroDetachCallCount(fakePlugin))
}
// Calls Run()
// Verifies there are no calls to attach, detach, mount, unmount, etc.
func Test_Run_Positive_DoNothing(t *testing.T) {
// Arrange
nodeName := "myhostname"
volumePluginMgr, fakePlugin := volumetesting.GetTestVolumePluginMgr(t)
dsw := cache.NewDesiredStateOfWorld(volumePluginMgr)
asw := cache.NewActualStateOfWorld(nodeName, volumePluginMgr)
oex := operationexecutor.NewOperationExecutor(volumePluginMgr)
reconciler := NewReconciler(
false, /* controllerAttachDetachEnabled */
reconcilerLoopSleepDuration,
waitForAttachTimeout,
nodeName,
dsw,
asw,
oex)
// Act
go reconciler.Run(wait.NeverStop)
// Assert
assert.NoError(t, volumetesting.VerifyZeroAttachCalls(fakePlugin))
assert.NoError(t, volumetesting.VerifyZeroWaitForAttachCallCount(fakePlugin))
assert.NoError(t, volumetesting.VerifyZeroMountDeviceCallCount(fakePlugin))
assert.NoError(t, volumetesting.VerifyZeroSetUpCallCount(fakePlugin))
assert.NoError(t, volumetesting.VerifyZeroTearDownCallCount(fakePlugin))
assert.NoError(t, volumetesting.VerifyZeroDetachCallCount(fakePlugin))
}
// Populates desiredStateOfWorld cache with one volume/pod.
// Calls Run()
// Verifies there is one attach/mount/etc call and no detach calls.
// Deletes volume/pod from desired state of world.
// Verifies detach/unmount calls are issued.
func Test_Run_Positive_VolumeAttachMountUnmountDetach(t *testing.T) {
// Arrange
volumePluginMgr, fakePlugin := volumetesting.GetTestVolumePluginMgr(t)
dsw := cache.NewDesiredStateOfWorld(volumePluginMgr)
asw := cache.NewActualStateOfWorld(nodeName, volumePluginMgr)
kubeClient := createTestClient()
fakeRecorder := &record.FakeRecorder{}
oex := operationexecutor.NewOperationExecutor(kubeClient, volumePluginMgr, fakeRecorder)
reconciler := NewReconciler(
kubeClient,
false, /* controllerAttachDetachEnabled */
reconcilerLoopSleepDuration,
reconcilerReconstructSleepPeriod,
waitForAttachTimeout,
nodeName,
dsw,
asw,
oex,
&mount.FakeMounter{},
volumePluginMgr,
kubeletPodsDir)
pod := &api.Pod{
ObjectMeta: api.ObjectMeta{
Name: "pod1",
UID: "pod1uid",
},
Spec: api.PodSpec{
Volumes: []api.Volume{
{
Name: "volume-name",
VolumeSource: api.VolumeSource{
GCEPersistentDisk: &api.GCEPersistentDiskVolumeSource{
PDName: "fake-device1",
},
},
},
},
},
}
volumeSpec := &volume.Spec{Volume: &pod.Spec.Volumes[0]}
podName := volumehelper.GetUniquePodName(pod)
generatedVolumeName, err := dsw.AddPodToVolume(
podName, pod, volumeSpec, volumeSpec.Name(), "" /* volumeGidValue */)
// Assert
if err != nil {
t.Fatalf("AddPodToVolume failed. Expected: <no error> Actual: <%v>", err)
}
// Act
runReconciler(reconciler)
waitForMount(t, fakePlugin, generatedVolumeName, asw)
// Assert
assert.NoError(t, volumetesting.VerifyAttachCallCount(
1 /* expectedAttachCallCount */, fakePlugin))
assert.NoError(t, volumetesting.VerifyWaitForAttachCallCount(
1 /* expectedWaitForAttachCallCount */, fakePlugin))
assert.NoError(t, volumetesting.VerifyMountDeviceCallCount(
1 /* expectedMountDeviceCallCount */, fakePlugin))
assert.NoError(t, volumetesting.VerifySetUpCallCount(
1 /* expectedSetUpCallCount */, fakePlugin))
assert.NoError(t, volumetesting.VerifyZeroTearDownCallCount(fakePlugin))
assert.NoError(t, volumetesting.VerifyZeroDetachCallCount(fakePlugin))
// Act
dsw.DeletePodFromVolume(podName, generatedVolumeName)
waitForDetach(t, fakePlugin, generatedVolumeName, asw)
// Assert
assert.NoError(t, volumetesting.VerifyTearDownCallCount(
1 /* expectedTearDownCallCount */, fakePlugin))
assert.NoError(t, volumetesting.VerifyDetachCallCount(
1 /* expectedDetachCallCount */, fakePlugin))
}