Add error check and ignore unused variable (SA4006)

pkg/cloudprovider/providers/vsphere/vclib/diskmanagers/vmdm.go

@@ -127,6 +127,10 @@ func (vmdisk vmDiskManager) Create(ctx context.Context, datastore *vclib.Datasto
 	virtualMachineConfigSpec.DeviceChange = append(virtualMachineConfigSpec.DeviceChange, deviceConfigSpec)
 	fileAlreadyExist := false
 	task, err := dummyVM.Reconfigure(ctx, virtualMachineConfigSpec)
+	if err != nil {
+		glog.Errorf("Failed to reconfig. err: %v", err)
+		return "", err
+	}
 	err = task.Wait(ctx)
 	if err != nil {
 		fileAlreadyExist = isAlreadyExists(vmdisk.diskPath, err)

pkg/cloudprovider/providers/vsphere/vsphere_test.go

@@ -357,7 +357,7 @@ func TestInstances(t *testing.T) {
 	}
 	t.Logf("Found InstanceID(%s) = %s\n", nodeName, instanceID)
 
-	instanceID, err = i.InstanceID(context.TODO(), nonExistingVM)
+	_, err = i.InstanceID(context.TODO(), nonExistingVM)
 	if err == cloudprovider.InstanceNotFound {
 		t.Logf("VM %s was not found as expected\n", nonExistingVM)
 	} else if err == nil {