feat(api): generate unique readable OpenAPI operationIds

gns3server/api/operation_ids.py

@@ -0,0 +1,55 @@
+#!/usr/bin/env python
+#
+# Copyright (C) 2026 GNS3 Technologies Inc.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+"""
+Readable and unique OpenAPI operationIds.
+"""
+
+import re
+from typing import Callable
+
+from fastapi import APIRouter
+from fastapi.routing import APIRoute
+
+STUB_METHODS = ("GET", "POST", "DELETE", "PATCH", "PUT")
+
+
+def _slug(value: str) -> str:
+
+    return re.sub(r"[^a-z0-9]+", "_", value.lower()).strip("_")
+
+
+def generate_operation_id(route: APIRoute) -> str:
+    """
+    Builds an operationId such as "nodes_get_node" from the first tag and the route name.
+    """
+
+    name = _slug(route.name)
+    if route.tags:
+        tag = _slug(str(route.tags[0]))
+        if tag:
+            return f"{tag}_{name}"
+    return name
+
+
+def add_stub_routes(router: APIRouter, endpoint: Callable, name: str) -> None:
+    """
+    Registers a catch-all route per HTTP method so that every method gets its own operationId.
+    """
+
+    for method in STUB_METHODS:
+        router.add_api_route("/{path:path}", endpoint, methods=[method], name=f"{name}_{method.lower()}")

gns3server/api/routes/compute/__init__.py

@@ -21,6 +21,7 @@ from fastapi import Depends, FastAPI, Request
 from fastapi.responses import JSONResponse
 from starlette.exceptions import HTTPException as StarletteHTTPException
 
+from gns3server.api.operation_ids import generate_operation_id
 from gns3server.compute.compute_error import (
     ComputeError,
     ComputeForbiddenError,
@@ -61,6 +62,7 @@ compute_api = FastAPI(
     title="GNS3 compute API",
     description="This page describes the private compute API for GNS3. PLEASE DO NOT USE DIRECTLY!",
     version="3.0.0",
+    generate_unique_id_function=generate_operation_id,
 )
 
 compute_api.state.controller_host = None

gns3server/api/routes/controller/__init__.py

@@ -18,6 +18,7 @@ from fastapi import APIRouter, Depends, HTTPException, status
 
 # Check AI Copilot availability
 from gns3server.agent import AI_COPILOT_AVAILABLE
+from gns3server.api.operation_ids import add_stub_routes
 
 # Conditionally import AI-dependent routes
 if AI_COPILOT_AVAILABLE:
@@ -32,15 +33,16 @@ else:
     _copilot_router = APIRouter()
     _llm_router = APIRouter()
 
-    @_chat_router.api_route("/{path:path}", methods=["GET", "POST", "DELETE", "PATCH", "PUT"])
-    @_copilot_router.api_route("/{path:path}", methods=["GET", "POST", "DELETE", "PATCH", "PUT"])
-    @_llm_router.api_route("/{path:path}", methods=["GET", "POST", "DELETE", "PATCH", "PUT"])
     async def ai_not_available(path: str = ""):
         raise HTTPException(
             status_code=status.HTTP_501_NOT_IMPLEMENTED,
             detail="AI Copilot is not available. Install AI dependencies with: pip install gns3-server[ai-features]",
         )
 
+    add_stub_routes(_chat_router, ai_not_available, "chat_not_available")
+    add_stub_routes(_copilot_router, ai_not_available, "copilot_not_available")
+    add_stub_routes(_llm_router, ai_not_available, "llm_not_available")
+
 
 from . import (
     acl,

gns3server/api/server.py

@@ -36,6 +36,7 @@ from uvicorn.main import Server as UvicornServer
 
 # MCP is an optional feature — import only if dependencies are installed
 from gns3server.agent import MCP_AVAILABLE
+from gns3server.api.operation_ids import add_stub_routes, generate_operation_id
 from gns3server.api.routes import controller, index
 from gns3server.api.routes.compute import compute_api
 from gns3server.controller.controller_error import (
@@ -58,13 +59,14 @@ else:
 
     _mcp_router = APIRouter(prefix="/mcp", tags=["MCP"])
 
-    @_mcp_router.api_route("/{path:path}", methods=["GET", "POST", "DELETE", "PATCH", "PUT"])
     async def mcp_not_available(path: str = ""):
         raise HTTPException(
             status_code=status.HTTP_501_NOT_IMPLEMENTED,
             detail="MCP is not available. Install AI dependencies with: pip install gns3-server[ai-features]",
         )
 
+    add_stub_routes(_mcp_router, mcp_not_available, "not_available")
+
 
 import logging
 
@@ -80,6 +82,7 @@ def get_application() -> FastAPI:
         version="3.0.0",
         docs_url=None,
         redoc_url=None,
+        generate_unique_id_function=generate_operation_id,
     )
 
     application.add_middleware(