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Merge pull request #111343 from niulechuan/add_unit_test_for_asw

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Add unit test in kubelet volumemanager ASW: Detach a volume that had been mounted by pod should be skipped
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Kubernetes Prow Robot 2022-09-23 07:04:25 -07:00 committed by GitHub
commit 4e105c4814
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67
pkg/kubelet/volumemanager/cache/actual_state_of_world_test.go vendored
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@ -587,6 +587,73 @@ func TestActualStateOfWorld_FoundDuringReconstruction(t *testing.T) {
}
}
// Call MarkVolumeAsDetached() on a volume which mounted by pod(s) should be skipped
func Test_MarkVolumeAsDetached_Negative_PodInVolume(t *testing.T) {
// Arrange
volumePluginMgr, plugin := volumetesting.GetTestVolumePluginMgr(t)
devicePath := "fake/device/path"
asw := NewActualStateOfWorld("mynode", volumePluginMgr)
pod := &v1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: "pod1",
UID: "pod1uid",
},
Spec: v1.PodSpec{
Volumes: []v1.Volume{
{
Name: "volume-name",
VolumeSource: v1.VolumeSource{
GCEPersistentDisk: &v1.GCEPersistentDiskVolumeSource{
PDName: "fake-device1",
},
},
},
},
},
}
volumeSpec := &volume.Spec{Volume: &pod.Spec.Volumes[0]}
err := asw.MarkVolumeAsAttached(emptyVolumeName, volumeSpec, "" /* nodeName */, devicePath)
if err != nil {
t.Fatalf("MarkVolumeAsAttached failed. Expected: <no error> Actual: <%v>", err)
}
generatedVolumeName, err := util.GetUniqueVolumeNameFromSpec(plugin, volumeSpec)
if err != nil {
t.Fatalf("GetUniqueVolumeNameFromSpec failed. Expected: <no error> Actual: <%v>", err)
}
podName := util.GetUniquePodName(pod)
mounter, err := plugin.NewMounter(volumeSpec, pod, volume.VolumeOptions{})
if err != nil {
t.Fatalf("NewMounter failed. Expected: <no error> Actual: <%v>", err)
}
mapper, err := plugin.NewBlockVolumeMapper(volumeSpec, pod, volume.VolumeOptions{})
if err != nil {
t.Fatalf("NewBlockVolumeMapper failed. Expected: <no error> Actual: <%v>", err)
}
markVolumeOpts := operationexecutor.MarkVolumeOpts{
PodName: podName,
PodUID: pod.UID,
VolumeName: generatedVolumeName,
Mounter: mounter,
BlockVolumeMapper: mapper,
OuterVolumeSpecName: volumeSpec.Name(),
VolumeSpec: volumeSpec,
}
err = asw.AddPodToVolume(markVolumeOpts)
if err != nil {
t.Fatalf("AddPodToVolume failed. Expected: <no error> Actual: <%v>", err)
}
// Act
asw.MarkVolumeAsDetached(generatedVolumeName, "" /* nodeName */)
// Assert
verifyPodExistsInVolumeAsw(t, podName, generatedVolumeName, "fake/device/path" /* expectedDevicePath */, asw)
}
func getTestPod(podName, podUID, outerVolumeName, pdName string) *v1.Pod {
pod := &v1.Pod{
ObjectMeta: metav1.ObjectMeta{