add checks

pkg/client/instances.go

@@ -473,24 +473,36 @@ func (a *InstancesAPIService) GetStorageVolTypeID(ctx context.Context, cloudID,
 
 func (a *InstancesAPIService) GetStorageControllerMount(ctx context.Context, instanceID int, controllerType string,
 	busNumber, unitNumber int) (ControllerMount string, err error) {
-	controllerType = strings.ToLower(controllerType)
+	controllerTypeInput := strings.ToLower(controllerType)
+	if controllerTypeInput == "ide" {
+		controllerTypeInput = fmt.Sprintf("%s %d", controllerTypeInput, busNumber)
+	} else if controllerTypeInput == "scsi" {
+		controllerTypeInput = fmt.Sprintf("%s controller %d", controllerTypeInput, busNumber)
+	} else {
+		err = fmt.Errorf("invalid controller type '%s'", controllerType)
+		return
+	}
 	instanceResp, err := a.GetASpecificInstance(ctx, instanceID)
 	if err != nil {
 		return
 	}
 	if instanceResp.Instance.Controllers == nil {
-		err = fmt.Errorf("no controllers found in the instance response")
+		err = fmt.Errorf("no storage controllers found in the instance response")
 		return
 	}
 	for _, controller := range instanceResp.Instance.Controllers {
-		if strings.ToLower(controller.Type.Name) == controllerType {
+		controllerName := strings.TrimSpace(strings.ToLower(controller.Name))
+		if controllerName == controllerTypeInput {
 			if controller.MaxDevices <= unitNumber {
-				err = fmt.Errorf("max allowed devices exceed for controller '%s'", controllerType)
+				err = fmt.Errorf("max allowed devices exceed for controller '%s'", controllerTypeInput)
 				return
 			}
 			ControllerMount = fmt.Sprintf("%d:%d:%d:%d", controller.ID, busNumber, controller.Type.ID, unitNumber)
+			break
 		}
 	}
-
+	if ControllerMount == "" {
+		err = fmt.Errorf("storage controller '%s' not found", controllerTypeInput)
+	}
 	return
 }