Always populate volume status from node

pkg/controller/volume/attachdetach/attach_detach_controller.go

@@ -294,7 +294,7 @@ func (adc *attachDetachController) populateActualStateOfWorld() error {
 				glog.Errorf("Failed to mark the volume as attached: %v", err)
 				continue
 			}
-			adc.processVolumesInUse(nodeName, node.Status.VolumesInUse, true /* forceUnmount */)
+			adc.processVolumesInUse(nodeName, node.Status.VolumesInUse)
 			adc.addNodeToDswp(node, types.NodeName(node.Name))
 		}
 	}
@@ -463,7 +463,7 @@ func (adc *attachDetachController) nodeUpdate(oldObj, newObj interface{}) {
 
 	nodeName := types.NodeName(node.Name)
 	adc.addNodeToDswp(node, nodeName)
-	adc.processVolumesInUse(nodeName, node.Status.VolumesInUse, false /* forceUnmount */)
+	adc.processVolumesInUse(nodeName, node.Status.VolumesInUse)
 }
 
 func (adc *attachDetachController) nodeDelete(obj interface{}) {
@@ -478,7 +478,7 @@ func (adc *attachDetachController) nodeDelete(obj interface{}) {
 		glog.Infof("error removing node %q from desired-state-of-world: %v", nodeName, err)
 	}
 
-	adc.processVolumesInUse(nodeName, node.Status.VolumesInUse, false /* forceUnmount */)
+	adc.processVolumesInUse(nodeName, node.Status.VolumesInUse)
 }
 
 // processVolumesInUse processes the list of volumes marked as "in-use"
@@ -486,7 +486,7 @@ func (adc *attachDetachController) nodeDelete(obj interface{}) {
 // corresponding volume in the actual state of the world to indicate that it is
 // mounted.
 func (adc *attachDetachController) processVolumesInUse(
-	nodeName types.NodeName, volumesInUse []v1.UniqueVolumeName, forceUnmount bool) {
+	nodeName types.NodeName, volumesInUse []v1.UniqueVolumeName) {
 	glog.V(4).Infof("processVolumesInUse for node %q", nodeName)
 	for _, attachedVolume := range adc.actualStateOfWorld.GetAttachedVolumesForNode(nodeName) {
 		mounted := false
@@ -496,8 +496,7 @@ func (adc *attachDetachController) processVolumesInUse(
 				break
 			}
 		}
-		err := adc.actualStateOfWorld.SetVolumeMountedByNode(
-			attachedVolume.VolumeName, nodeName, mounted, forceUnmount)
+		err := adc.actualStateOfWorld.SetVolumeMountedByNode(attachedVolume.VolumeName, nodeName, mounted)
 		if err != nil {
 			glog.Warningf(
 				"SetVolumeMountedByNode(%q, %q, %q) returned an error: %v",

pkg/controller/volume/attachdetach/cache/actual_state_of_world.go

@@ -68,7 +68,7 @@ type ActualStateOfWorld interface {
 	// returned.
 	// If no node with the name nodeName exists in list of attached nodes for
 	// the specified volume, an error is returned.
-	SetVolumeMountedByNode(volumeName v1.UniqueVolumeName, nodeName types.NodeName, mounted bool, forceUnmount bool) error
+	SetVolumeMountedByNode(volumeName v1.UniqueVolumeName, nodeName types.NodeName, mounted bool) error
 
 	// SetNodeStatusUpdateNeeded sets statusUpdateNeeded for the specified
 	// node to true indicating the AttachedVolume field in the Node's Status
@@ -331,7 +331,7 @@ func (asw *actualStateOfWorld) AddVolumeNode(
 }
 
 func (asw *actualStateOfWorld) SetVolumeMountedByNode(
-	volumeName v1.UniqueVolumeName, nodeName types.NodeName, mounted bool, forceUnmount bool) error {
+	volumeName v1.UniqueVolumeName, nodeName types.NodeName, mounted bool) error {
 	asw.Lock()
 	defer asw.Unlock()
 
@@ -343,11 +343,6 @@ func (asw *actualStateOfWorld) SetVolumeMountedByNode(
 	if mounted {
 		// Increment set count
 		nodeObj.mountedByNodeSetCount = nodeObj.mountedByNodeSetCount + 1
-	} else {
-		// Do not allow value to be reset unless it has been set at least once
-		if nodeObj.mountedByNodeSetCount == 0 && !forceUnmount {
-			return nil
-		}
 	}
 
 	nodeObj.mountedByNode = mounted

pkg/controller/volume/attachdetach/cache/actual_state_of_world_test.go

@@ -506,8 +506,8 @@ func Test_SetVolumeMountedByNode_Positive_UnsetWithInitialSet(t *testing.T) {
 	}
 
 	// Act
-	setVolumeMountedErr1 := asw.SetVolumeMountedByNode(generatedVolumeName, nodeName, true /* mounted */, false /* force unmount */)
-	setVolumeMountedErr2 := asw.SetVolumeMountedByNode(generatedVolumeName, nodeName, false /* mounted */, false /* force unmount */)
+	setVolumeMountedErr1 := asw.SetVolumeMountedByNode(generatedVolumeName, nodeName, true /* mounted */)
+	setVolumeMountedErr2 := asw.SetVolumeMountedByNode(generatedVolumeName, nodeName, false /* mounted */)
 
 	// Assert
 	if setVolumeMountedErr1 != nil {
@@ -527,7 +527,7 @@ func Test_SetVolumeMountedByNode_Positive_UnsetWithInitialSet(t *testing.T) {
 
 // Populates data struct with one volume/node entry.
 // Calls SetVolumeMountedByNode once, setting mounted to false.
-// Verifies mountedByNode is still true (since there was no SetVolumeMountedByNode to true call first)
+// Verifies mountedByNode is false because value is overwritten
 func Test_SetVolumeMountedByNode_Positive_UnsetWithoutInitialSet(t *testing.T) {
 	// Arrange
 	volumePluginMgr, _ := volumetesting.GetTestVolumePluginMgr(t)
@@ -541,20 +541,27 @@ func Test_SetVolumeMountedByNode_Positive_UnsetWithoutInitialSet(t *testing.T) {
 		t.Fatalf("AddVolumeNode failed. Expected: <no error> Actual: <%v>", addErr)
 	}
 
+	attachedVolumes := asw.GetAttachedVolumes()
+	if len(attachedVolumes) != 1 {
+		t.Fatalf("len(attachedVolumes) Expected: <1> Actual: <%v>", len(attachedVolumes))
+	}
+
+	verifyAttachedVolume(t, attachedVolumes, generatedVolumeName, string(volumeName), nodeName, devicePath, true /* expectedMountedByNode */, false /* expectNonZeroDetachRequestedTime */)
+
 	// Act
-	setVolumeMountedErr := asw.SetVolumeMountedByNode(generatedVolumeName, nodeName, false /* mounted */, false /* force unmount */)
+	setVolumeMountedErr := asw.SetVolumeMountedByNode(generatedVolumeName, nodeName, false /* mounted */)
 
 	// Assert
 	if setVolumeMountedErr != nil {
 		t.Fatalf("SetVolumeMountedByNode failed. Expected <no error> Actual: <%v>", setVolumeMountedErr)
 	}
 
-	attachedVolumes := asw.GetAttachedVolumes()
+	attachedVolumes = asw.GetAttachedVolumes()
 	if len(attachedVolumes) != 1 {
 		t.Fatalf("len(attachedVolumes) Expected: <1> Actual: <%v>", len(attachedVolumes))
 	}
 
-	verifyAttachedVolume(t, attachedVolumes, generatedVolumeName, string(volumeName), nodeName, devicePath, true /* expectedMountedByNode */, false /* expectNonZeroDetachRequestedTime */)
+	verifyAttachedVolume(t, attachedVolumes, generatedVolumeName, string(volumeName), nodeName, devicePath, false /* expectedMountedByNode */, false /* expectNonZeroDetachRequestedTime */)
 }
 
 // Populates data struct with one volume/node entry.
@@ -575,8 +582,8 @@ func Test_SetVolumeMountedByNode_Positive_UnsetWithInitialSetAddVolumeNodeNotRes
 	}
 
 	// Act
-	setVolumeMountedErr1 := asw.SetVolumeMountedByNode(generatedVolumeName, nodeName, true /* mounted */, false /* force unmount */)
-	setVolumeMountedErr2 := asw.SetVolumeMountedByNode(generatedVolumeName, nodeName, false /* mounted */, false /* force unmount */)
+	setVolumeMountedErr1 := asw.SetVolumeMountedByNode(generatedVolumeName, nodeName, true /* mounted */)
+	setVolumeMountedErr2 := asw.SetVolumeMountedByNode(generatedVolumeName, nodeName, false /* mounted */)
 	generatedVolumeName, addErr = asw.AddVolumeNode(volumeName, volumeSpec, nodeName, devicePath)
 
 	// Assert
@@ -625,8 +632,8 @@ func Test_SetVolumeMountedByNode_Positive_UnsetWithInitialSetVerifyDetachRequest
 	expectedDetachRequestedTime := asw.GetAttachedVolumes()[0].DetachRequestedTime
 
 	// Act
-	setVolumeMountedErr1 := asw.SetVolumeMountedByNode(generatedVolumeName, nodeName, true /* mounted */, false /* force unmount */)
-	setVolumeMountedErr2 := asw.SetVolumeMountedByNode(generatedVolumeName, nodeName, false /* mounted */, false /* force unmount */)
+	setVolumeMountedErr1 := asw.SetVolumeMountedByNode(generatedVolumeName, nodeName, true /* mounted */)
+	setVolumeMountedErr2 := asw.SetVolumeMountedByNode(generatedVolumeName, nodeName, false /* mounted */)
 
 	// Assert
 	if setVolumeMountedErr1 != nil {
@@ -767,8 +774,8 @@ func Test_RemoveVolumeFromReportAsAttached_Positive_UnsetWithInitialSetVolumeMou
 	if addErr != nil {
 		t.Fatalf("AddVolumeNode failed. Expected: <no error> Actual: <%v>", addErr)
 	}
-	setVolumeMountedErr1 := asw.SetVolumeMountedByNode(generatedVolumeName, nodeName, true /* mounted */, false /* force unmount */)
-	setVolumeMountedErr2 := asw.SetVolumeMountedByNode(generatedVolumeName, nodeName, false /* mounted */, false /* force unmount */)
+	setVolumeMountedErr1 := asw.SetVolumeMountedByNode(generatedVolumeName, nodeName, true /* mounted */)
+	setVolumeMountedErr2 := asw.SetVolumeMountedByNode(generatedVolumeName, nodeName, false /* mounted */)
 	if setVolumeMountedErr1 != nil {
 		t.Fatalf("SetVolumeMountedByNode1 failed. Expected <no error> Actual: <%v>", setVolumeMountedErr1)
 	}

pkg/controller/volume/attachdetach/reconciler/reconciler_test.go

@@ -170,8 +170,8 @@ func Test_Run_Positive_OneDesiredVolumeAttachThenDetachWithUnmountedVolume(t *te
 			generatedVolumeName,
 			nodeName)
 	}
-	asw.SetVolumeMountedByNode(generatedVolumeName, nodeName, true /* mounted */, false)
-	asw.SetVolumeMountedByNode(generatedVolumeName, nodeName, false /* mounted */, false)
+	asw.SetVolumeMountedByNode(generatedVolumeName, nodeName, true /* mounted */)
+	asw.SetVolumeMountedByNode(generatedVolumeName, nodeName, false /* mounted */)
 
 	// Assert
 	waitForNewDetacherCallCount(t, 1 /* expectedCallCount */, fakePlugin)
@@ -304,8 +304,8 @@ func Test_Run_Negative_OneDesiredVolumeAttachThenDetachWithUnmountedVolumeUpdate
 			generatedVolumeName,
 			nodeName)
 	}
-	asw.SetVolumeMountedByNode(generatedVolumeName, nodeName, true /* mounted */, false)
-	asw.SetVolumeMountedByNode(generatedVolumeName, nodeName, false /* mounted */, false)
+	asw.SetVolumeMountedByNode(generatedVolumeName, nodeName, true /* mounted */)
+	asw.SetVolumeMountedByNode(generatedVolumeName, nodeName, false /* mounted */)
 
 	// Assert
 	verifyNewDetacherCallCount(t, true /* expectZeroNewDetacherCallCount */, fakePlugin)