Allocate application IDs for IOU nodes on the controller.

An application ID is used by IOU to generate its interface Mac addresses. They must be unique across all opened projects sharing the same computes to avoid Mac address collisions.

gns3server/handlers/api/compute/iou_handler.py

@@ -58,16 +58,17 @@ class IOUHandler:
 
         iou = IOU.instance()
         vm = await iou.create_node(request.json.pop("name"),
-                                        request.match_info["project_id"],
-                                        request.json.get("node_id"),
-                                        path=request.json.get("path"),
-                                        console=request.json.get("console"),
-                                        console_type=request.json.get("console_type", "telnet"))
+                                   request.match_info["project_id"],
+                                   request.json.get("node_id"),
+                                   application_id=request.json.get("application_id"),
+                                   path=request.json.get("path"),
+                                   console=request.json.get("console"),
+                                   console_type=request.json.get("console_type", "telnet"))
 
         for name, value in request.json.items():
             if hasattr(vm, name) and getattr(vm, name) != value:
                 if name == "application_id":
-                    continue  # we must ignore this to avoid overwriting the application_id allocated by the IOU manager
+                    continue  # we must ignore this to avoid overwriting the application_id allocated by the controller
                 if name == "startup_config_content" and (vm.startup_config_content and len(vm.startup_config_content) > 0):
                     continue
                 if name == "private_config_content" and (vm.private_config_content and len(vm.private_config_content) > 0):