fix detch azure disk issue by clean vm cache

pkg/cloudprovider/providers/azure/azure_controller_standard.go

@@ -77,6 +77,9 @@ func (as *availabilitySet) AttachDisk(isManagedDisk bool, diskName, diskURI stri
 	ctx, cancel := getContextWithCancel()
 	defer cancel()
 
+	// Invalidate the cache right after updating
+	defer as.cloud.vmCache.Delete(vmName)
+
 	_, err = as.VirtualMachinesClient.CreateOrUpdate(ctx, nodeResourceGroup, vmName, newVM)
 	if err != nil {
 		klog.Errorf("azureDisk - attach disk(%s) failed, err: %v", diskName, err)
@@ -88,8 +91,6 @@ func (as *availabilitySet) AttachDisk(isManagedDisk bool, diskName, diskURI stri
 		}
 	} else {
 		klog.V(2).Infof("azureDisk - attach disk(%s) succeeded", diskName)
-		// Invalidate the cache right after updating
-		as.cloud.vmCache.Delete(vmName)
 	}
 	return err
 }
@@ -139,13 +140,15 @@ func (as *availabilitySet) DetachDiskByName(diskName, diskURI string, nodeName t
 	klog.V(2).Infof("azureDisk - update(%s): vm(%s) - detach disk(%s)", nodeResourceGroup, vmName, diskName)
 	ctx, cancel := getContextWithCancel()
 	defer cancel()
+
+	// Invalidate the cache right after updating
+	defer as.cloud.vmCache.Delete(vmName)
+
 	_, err = as.VirtualMachinesClient.CreateOrUpdate(ctx, nodeResourceGroup, vmName, newVM)
 	if err != nil {
 		klog.Errorf("azureDisk - detach disk(%s) failed, err: %v", diskName, err)
 	} else {
 		klog.V(2).Infof("azureDisk - detach disk(%s) succeeded", diskName)
-		// Invalidate the cache right after updating
-		as.cloud.vmCache.Delete(vmName)
 	}
 	return err
 }

pkg/cloudprovider/providers/azure/azure_controller_vmss.go

@@ -71,8 +71,12 @@ func (ss *scaleSet) AttachDisk(isManagedDisk bool, diskName, diskURI string, nod
 
 	ctx, cancel := getContextWithCancel()
 	defer cancel()
-	klog.V(2).Infof("azureDisk - update(%s): vm(%s) - attach disk(%s)", nodeResourceGroup, nodeName, diskName)
 
+	// Invalidate the cache right after updating
+	key := buildVmssCacheKey(nodeResourceGroup, ss.makeVmssVMName(ssName, instanceID))
+	defer ss.vmssVMCache.Delete(key)
+
+	klog.V(2).Infof("azureDisk - update(%s): vm(%s) - attach disk(%s)", nodeResourceGroup, nodeName, diskName)
 	_, err = ss.VirtualMachineScaleSetVMsClient.Update(ctx, nodeResourceGroup, ssName, instanceID, vm)
 	if err != nil {
 		detail := err.Error()
@@ -83,9 +87,6 @@ func (ss *scaleSet) AttachDisk(isManagedDisk bool, diskName, diskURI string, nod
 		}
 	} else {
 		klog.V(2).Infof("azureDisk - attach disk(%s) succeeded", diskName)
-		// Invalidate the cache right after updating
-		key := buildVmssCacheKey(nodeResourceGroup, ss.makeVmssVMName(ssName, instanceID))
-		ss.vmssVMCache.Delete(key)
 	}
 	return err
 }
@@ -128,15 +129,17 @@ func (ss *scaleSet) DetachDiskByName(diskName, diskURI string, nodeName types.No
 	vm.StorageProfile.DataDisks = &disks
 	ctx, cancel := getContextWithCancel()
 	defer cancel()
+
+	// Invalidate the cache right after updating
+	key := buildVmssCacheKey(nodeResourceGroup, ss.makeVmssVMName(ssName, instanceID))
+	defer ss.vmssVMCache.Delete(key)
+
 	klog.V(2).Infof("azureDisk - update(%s): vm(%s) - detach disk(%s)", nodeResourceGroup, nodeName, diskName)
 	_, err = ss.VirtualMachineScaleSetVMsClient.Update(ctx, nodeResourceGroup, ssName, instanceID, vm)
 	if err != nil {
 		klog.Errorf("azureDisk - detach disk(%s) from %s failed, err: %v", diskName, nodeName, err)
 	} else {
 		klog.V(2).Infof("azureDisk - detach disk(%s) succeeded", diskName)
-		// Invalidate the cache right after updating
-		key := buildVmssCacheKey(nodeResourceGroup, ss.makeVmssVMName(ssName, instanceID))
-		ss.vmssVMCache.Delete(key)
 	}
 
 	return err