Merge branch '3.1' into api-issue-06-8s9swu

.github/workflows/testing.yml

@@ -17,7 +17,7 @@ jobs:
 
     strategy:
       matrix:
-        python-version: ["3.10", "3.11", "3.12", "3.13", "3.14"]
+        python-version: ["3.11", "3.12", "3.13", "3.14"]
 
     steps:
     - uses: actions/checkout@v7

gns3server/agent/web_wireshark/docker_client.py

@@ -23,16 +23,11 @@ This module handles Docker API operations via aiohttp Unix socket.
 
 import asyncio
 import logging
-import sys
+from asyncio import timeout as async_timeout
 from typing import Any
 
 import aiohttp
 
-if sys.version_info >= (3, 11):
-    from asyncio import timeout as async_timeout
-else:
-    from async_timeout import timeout as async_timeout
-
 from gns3server.utils import parse_version
 
 logger = logging.getLogger(__name__)

gns3server/api/routes/compute/__init__.py

@@ -31,6 +31,7 @@ from gns3server.compute.compute_error import (
 from gns3server.compute.error import ImageMissingError, NodeError
 from gns3server.compute.ubridge.ubridge_error import UbridgeError
 from gns3server.controller.gns3vm.gns3_vm_error import GNS3VMError
+from gns3server.version import __api_version__
 
 from . import (
     atm_switch_nodes,
@@ -60,7 +61,8 @@ log = logging.getLogger(__name__)
 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",
+    version=__api_version__,
+    servers=[{"url": "/v3/compute"}],
 )
 
 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.config import Config
 
 # Conditionally import AI-dependent routes
 if AI_COPILOT_AVAILABLE:
@@ -32,9 +33,11 @@ else:
     _copilot_router = APIRouter()
     _llm_router = APIRouter()
 
-    @_chat_router.api_route("/{path:path}", methods=["GET", "POST", "DELETE", "PATCH", "PUT"])
+    @_chat_router.api_route("/{path:path}", methods=["GET", "POST", "DELETE", "PATCH", "PUT"], include_in_schema=False)
-    @_copilot_router.api_route("/{path:path}", methods=["GET", "POST", "DELETE", "PATCH", "PUT"])
+    @_copilot_router.api_route(
-    @_llm_router.api_route("/{path:path}", methods=["GET", "POST", "DELETE", "PATCH", "PUT"])
+        "/{path:path}", methods=["GET", "POST", "DELETE", "PATCH", "PUT"], include_in_schema=False
+    )
+    @_llm_router.api_route("/{path:path}", methods=["GET", "POST", "DELETE", "PATCH", "PUT"], include_in_schema=False)
     async def ai_not_available(path: str = ""):
         raise HTTPException(
             status_code=status.HTTP_501_NOT_IMPLEMENTED,
@@ -67,6 +70,8 @@ from . import (
 )
 from .dependencies.authentication import get_current_active_user
 
+_include_ai_in_schema = Config.instance().settings.Server.openapi_include_ai
+
 router = APIRouter()
 
 router.include_router(controller.router, tags=["Controller"])
@@ -116,11 +121,19 @@ router.include_router(
 )
 
 router.include_router(
-    _llm_router, prefix="/access", dependencies=[Depends(get_current_active_user)], tags=["LLM Model Configurations"]
+    _llm_router,
+    prefix="/access",
+    dependencies=[Depends(get_current_active_user)],
+    tags=["LLM Model Configurations"],
+    include_in_schema=_include_ai_in_schema,
 )
 
 router.include_router(
-    _copilot_router, prefix="/copilot", dependencies=[Depends(get_current_active_user)], tags=["GNS3 Copilot"]
+    _copilot_router,
+    prefix="/copilot",
+    dependencies=[Depends(get_current_active_user)],
+    tags=["GNS3 Copilot"],
+    include_in_schema=_include_ai_in_schema,
 )
 
 router.include_router(
@@ -128,6 +141,7 @@ router.include_router(
     prefix="/copilot/projects/{project_id}/chat",
     dependencies=[Depends(get_current_active_user)],
     tags=["GNS3 Copilot"],
+    include_in_schema=_include_ai_in_schema,
 )
 
 router.include_router(api_keys.router, dependencies=[Depends(get_current_active_user)], tags=["API Keys"])

gns3server/api/routes/controller/appliances.py

@@ -19,7 +19,7 @@ API routes for appliances.
 """
 
 import logging
-from typing import List, Optional, Union
+from typing import List, Optional
 from uuid import UUID
 
 from fastapi import APIRouter, Depends, status
@@ -85,9 +85,7 @@ def get_appliance(appliance_id: UUID) -> schemas.Appliance:
     status_code=status.HTTP_201_CREATED,
     dependencies=[Depends(has_privilege("Appliance.Allocate"))],
 )
-def add_appliance_version(
+def add_appliance_version(appliance_id: UUID, appliance_version: schemas.ApplianceVersionCreate) -> dict:
-    appliance_id: UUID, appliance_version: Union[schemas.ApplianceVersion, schemas.ApplianceVersionV8]
-) -> dict:
     """
     Add a version to an appliance.
 
@@ -109,7 +107,7 @@ def add_appliance_version(
         if version.get("name") == appliance_version.name:
             raise ControllerError(message=f"Appliance '{appliance_id}' already has version '{appliance_version.name}'")
 
-    appliance.versions.append(appliance_version.model_dump(exclude_unset=True))
+    appliance.versions.append(appliance_version.model_dump(exclude_unset=True, exclude={"registry_version"}))
     return appliance.asdict()
 
 

gns3server/api/routes/controller/links.py

@@ -20,7 +20,7 @@ API routes for links.
 
 import logging
 import os
-from typing import Any, List, Optional, Union
+from typing import Any, List, Optional
 from uuid import UUID, uuid4
 
 import aiohttp
@@ -545,7 +545,7 @@ async def update_marker(marker_name: str, marker_data: schemas.MarkerUpdate, lin
 
 @router.get(
     "/{link_id}/iface",
-    response_model=Union[schemas.UDPPortInfo, schemas.EthernetPortInfo],
+    response_model=schemas.LinkIfaceInfo,
     dependencies=[Depends(has_privilege("Link.Audit"))],
 )
 async def get_iface(link: Link = Depends(dep_link)) -> dict:
@@ -576,6 +576,7 @@ async def get_iface(link: Link = Depends(dep_link)) -> dict:
                 port_type = port.get("type", "")
                 if "udp" in port_type.lower():
                     ifaces_info = {
+                        "kind": "udp",
                         "node_id": node.id,
                         "type": f"{port_type}",
                         "lport": port["lport"],
@@ -584,6 +585,7 @@ async def get_iface(link: Link = Depends(dep_link)) -> dict:
                     }
                 else:
                     ifaces_info = {
+                        "kind": "ethernet",
                         "node_id": node.id,
                         "type": f"{port_type}",
                         "interface": port["interface"],

gns3server/api/server.py

@@ -39,6 +39,7 @@ from gns3server.agent import MCP_AVAILABLE
 from gns3server.api.errors import customize_openapi_errors, error_response
 from gns3server.api.routes import controller, index
 from gns3server.api.routes.compute import compute_api
+from gns3server.config import Config
 from gns3server.controller.controller_error import (
     ComputeConflictError,
     ControllerBadRequestError,
@@ -49,6 +50,7 @@ from gns3server.controller.controller_error import (
     ControllerUnauthorizedError,
 )
 from gns3server.core import tasks
+from gns3server.version import __api_version__
 
 if MCP_AVAILABLE:
     from gns3server.agent import mcp
@@ -59,7 +61,7 @@ else:
 
     _mcp_router = APIRouter(prefix="/mcp", tags=["MCP"])
 
-    @_mcp_router.api_route("/{path:path}", methods=["GET", "POST", "DELETE", "PATCH", "PUT"])
+    @_mcp_router.api_route("/{path:path}", methods=["GET", "POST", "DELETE", "PATCH", "PUT"], include_in_schema=False)
     async def mcp_not_available(path: str = ""):
         raise HTTPException(
             status_code=status.HTTP_501_NOT_IMPLEMENTED,
@@ -84,15 +86,9 @@ def get_application() -> FastAPI:
     application = ControllerAPI(
         lifespan=tasks.lifespan,
         title="GNS3 controller API",
-        description="This page describes the public controller API for GNS3.\n\n"
+        description="This page describes the public controller API for GNS3",
-        "## Notification streams\n\n"
+        version=__api_version__,
-        "Notifications are available as HTTP streams of newline delimited JSON objects (`GET /v3/notifications` and "
+        servers=[{"url": "/"}],
-        "`GET /v3/projects/{project_id}/notifications`) and as WebSockets sending one JSON object per text frame "
-        "(`/v3/notifications/ws`, `/v3/projects/{project_id}/notifications/ws` and "
-        "`/v3/projects/{project_id}/notifications/markers/ws`). "
-        "OpenAPI cannot describe WebSocket routes, they carry the same `Notification` messages as the HTTP streams. "
-        "Marker events (`marker.match`) are only sent on the markers WebSocket.",
-        version="3.0.0",
         docs_url=None,
         redoc_url=None,
     )
@@ -111,7 +107,12 @@ def get_application() -> FastAPI:
     application.mount("/v3/compute", compute_api, name="compute")
 
     # Register MCP routes (stub returns 501 if MCP dependencies are not installed)
-    application.include_router(_mcp_router, prefix="/v3", tags=["MCP"])
+    application.include_router(
+        _mcp_router,
+        prefix="/v3",
+        tags=["MCP"],
+        include_in_schema=Config.instance().settings.Server.openapi_include_ai,
+    )
 
     return application
 

gns3server/compute/base_node.py

@@ -671,11 +671,7 @@ class BaseNode:
                 )
 
         # keep forwarding websocket data in both direction
-        if sys.version_info >= (3, 11, 0):
+        aws = [asyncio.create_task(ws_forward(telnet_writer)), asyncio.create_task(telnet_forward(telnet_reader))]
-            # Starting with Python 3.11, passing coroutine objects to wait() directly is forbidden.
-            aws = [asyncio.create_task(ws_forward(telnet_writer)), asyncio.create_task(telnet_forward(telnet_reader))]
-        else:
-            aws = [ws_forward(telnet_writer), telnet_forward(telnet_reader)]
 
         done, pending = await asyncio.wait(aws, return_when=asyncio.FIRST_COMPLETED)
         for task in done:
@@ -762,11 +758,7 @@ class BaseNode:
                 log.warning(f"Exception while forwarding VNC data to WebSocket: {e!r}")
 
         # Keep forwarding WebSocket data in both directions
-        if sys.version_info >= (3, 11, 0):
+        aws = [asyncio.create_task(ws_forward(vnc_writer)), asyncio.create_task(vnc_forward(vnc_reader))]
-            # Starting with Python 3.11, passing coroutine objects to wait() directly is forbidden.
-            aws = [asyncio.create_task(ws_forward(vnc_writer)), asyncio.create_task(vnc_forward(vnc_reader))]
-        else:
-            aws = [ws_forward(vnc_writer), vnc_forward(vnc_reader)]
 
         done, pending = await asyncio.wait(aws, return_when=asyncio.FIRST_COMPLETED)
         for task in done:

gns3server/controller/compute.py

@@ -19,19 +19,14 @@ import asyncio
 import io
 import ipaddress
 import json
+import logging
 import socket
 import sys
+from asyncio import timeout as asynctimeout
 
 import aiohttp
 from fastapi import HTTPException
 
-if sys.version_info >= (3, 11):
-    from asyncio import timeout as asynctimeout
-else:
-    from async_timeout import timeout as asynctimeout
-
-import logging
-
 from ..controller.controller_error import (
     ComputeConflictError,
     ComputeError,

gns3server/db/repositories/rbac.py

@@ -16,11 +16,11 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 import logging
-from typing import List, Optional, Union, cast
+from typing import Any, List, Optional, Union, cast
 from urllib.parse import urlparse
 from uuid import UUID
 
-from sqlalchemy import delete, select, update
+from sqlalchemy import Select, delete, select, update
 from sqlalchemy.engine import CursorResult
 from sqlalchemy.ext.asyncio import AsyncSession
 from sqlalchemy.orm import selectinload
@@ -331,7 +331,7 @@ class RbacRepository(BaseRepository):
         Retrieve all user ACEs matching the user_id and privilege name.
         """
 
-        query = (
+        query: Select[Any, Any, Any, Any] = (
             select(models.ACE.path, models.ACE.propagate, models.ACE.allowed, models.Privilege.name)
             .join(models.Privilege.roles)
             .join(models.Role.acl_entries)
@@ -349,7 +349,7 @@ class RbacRepository(BaseRepository):
         Retrieve all group ACEs matching the user_id and privilege name.
         """
 
-        query = (
+        query: Select[Any, Any, Any, Any] = (
             select(models.ACE.path, models.ACE.propagate, models.ACE.allowed, models.Privilege.name)
             .join(models.Privilege.roles)
             .join(models.Role.acl_entries)

gns3server/schemas/__init__.py

@@ -17,7 +17,7 @@
 # General schemas
 from .common import ErrorMessage
 from .config import ServerConfig
-from .controller.appliances import Appliance, ApplianceVersion, ApplianceVersionV8
+from .controller.appliances import Appliance, ApplianceVersion, ApplianceVersionCreate, ApplianceVersionV8
 from .controller.computes import (
     AutoIdlePC,
     Compute,
@@ -41,6 +41,7 @@ from .controller.links import (
     LinkFilterParameter,
     LinkFilters,
     LinkFilterType,
+    LinkIfaceInfo,
     LinkUpdate,
     MarkerCreate,
     MarkerDefinitionCreate,
@@ -167,6 +168,7 @@ __all__ = [
     "ApiKeyCreate",
     "Appliance",
     "ApplianceVersion",
+    "ApplianceVersionCreate",
     "ApplianceVersionV8",
     "AutoIdlePC",
     "BatchNIOCreate",
@@ -253,6 +255,7 @@ __all__ = [
     "LinkFilterParameter",
     "LinkFilterType",
     "LinkFilters",
+    "LinkIfaceInfo",
     "LinkUpdate",
     "LoggedInUserUpdate",
     "MarkerCreate",

gns3server/schemas/config.py

@@ -155,6 +155,9 @@ class ServerSettings(BaseModel):
         False, description="Local server mode, set by the --local command line argument (not meant to be set by hand)"
     )
     enable_http_auth: bool = Field(True, description="Enable compute HTTP authentication")
+    openapi_include_ai: bool = Field(
+        True, description="Include the AI Copilot, LLM and MCP routes in the generated OpenAPI specification"
+    )
     name: str = Field(
         f"{socket.gethostname()} (controller)",
         description="Server name, default is what is returned by socket.gethostname()",

gns3server/schemas/controller/appliances.py

@@ -20,7 +20,7 @@ from enum import Enum
 from typing import Annotated, List, Literal, Optional, Union
 from uuid import UUID
 
-from pydantic import AnyUrl, BaseModel, Discriminator, EmailStr, Field, Tag
+from pydantic import AnyUrl, BaseModel, BeforeValidator, Discriminator, EmailStr, Field, Tag
 
 from ..common import ExtraConfig
 
@@ -648,6 +648,39 @@ class ApplianceVersionV8(BaseModel):
     images: Optional[ApplianceVersionImages] = Field(None, title="Images used for this version")
 
 
+_V8_VERSION_ONLY_FIELDS = frozenset(set(ApplianceVersionV8.model_fields) - set(ApplianceVersion.model_fields))
+
+
+class ApplianceVersionCreateV1_6(ApplianceVersion):
+    """Request body to add a version to an appliance with registry version 1-6"""
+
+    registry_version: Literal[1, 2, 3, 4, 5, 6] = Field(
+        1, title="Version of the registry compatible with the appliance receiving the version"
+    )
+
+
+class ApplianceVersionCreateV8(ApplianceVersionV8):
+    """Request body to add a version to an appliance with registry version 8"""
+
+    registry_version: Literal[8] = Field(
+        8, title="Version of the registry compatible with the appliance receiving the version"
+    )
+
+
+def _infer_version_registry_version(data):
+    if isinstance(data, dict) and "registry_version" not in data:
+        data = dict(data)
+        data["registry_version"] = 8 if _V8_VERSION_ONLY_FIELDS.intersection(data) else 1
+    return data
+
+
+ApplianceVersionCreate = Annotated[
+    Union[ApplianceVersionCreateV1_6, ApplianceVersionCreateV8],
+    BeforeValidator(_infer_version_registry_version),
+    Discriminator("registry_version"),
+]
+
+
 # ============================================================================
 # Child Models with Discriminated Union
 # ============================================================================

gns3server/schemas/controller/links.py

@@ -15,10 +15,10 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 from enum import Enum
-from typing import Annotated, List, Literal, Optional, Tuple
+from typing import Annotated, List, Literal, Optional, Tuple, Union
 from uuid import UUID, uuid4
 
-from pydantic import BaseModel, ConfigDict, Field, field_validator, model_validator
+from pydantic import BaseModel, ConfigDict, Discriminator, Field, field_validator, model_validator
 
 from ..update import PartialUpdateModel
 from .labels import Label
@@ -205,6 +205,7 @@ class UDPPortInfo(BaseModel):
     rhost: str
     rport: int
     type: str
+    kind: Literal["udp"]
 
 
 class EthernetPortInfo(BaseModel):
@@ -215,6 +216,10 @@ class EthernetPortInfo(BaseModel):
     node_id: UUID
     interface: str
     type: str
+    kind: Literal["ethernet"]
+
+
+LinkIfaceInfo = Annotated[Union[UDPPortInfo, EthernetPortInfo], Discriminator("kind")]
 
 
 class LinkCapture(BaseModel):

gns3server/schemas/controller/settings.py

@@ -103,6 +103,7 @@ class ServerSettingsUpdate(BaseModel):
 
     local: Optional[bool] = None
     enable_http_auth: Optional[bool] = None
+    openapi_include_ai: Optional[bool] = None
     name: Optional[str] = None
     protocol: Optional[ServerProtocol] = None
     host: Optional[str] = None

gns3server/server.py

@@ -255,9 +255,9 @@ class Server:
         else:
             log.info(f"Compute authentication is enabled with username '{config.Server.compute_username}'")
 
-        # we only support Python 3 version >= 3.9
+        # we only support Python 3 version >= 3.11
-        if sys.version_info < (3, 9, 0):
+        if sys.version_info < (3, 11, 0):
-            raise SystemExit("Python 3.9 or higher is required")
+            raise SystemExit("Python 3.11 or higher is required")
 
         log.info(
             f"Running with Python {sys.version_info[0]}.{sys.version_info[1]}.{sys.version_info[2]} and has PID {os.getpid()}"

gns3server/version.py

@@ -35,3 +35,5 @@ if "dev" in __version__:
             __version__ += "+" + r
     except Exception as e:
         print(e)
+
+__api_version__ = __version__.split("+", 1)[0]

pyproject.toml

@@ -4,13 +4,13 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "gns3-server"
-description = "GNS3 graphical interface for the GNS3 server."
+description = "GNS3 server (controller and compute) for GNS3 network simulator"
 license-files = ["LICENSE"]
 authors = [
   { name = "Jeremy Grossmann", email = "developers@gns3.com" }
 ]
 readme = "README.md"
-requires-python = ">=3.10"
+requires-python = ">=3.11"
 classifiers = [
         "Development Status :: 5 - Production/Stable",
         "Environment :: Console",
@@ -21,10 +21,10 @@ classifiers = [
         "Natural Language :: English",
         "Operating System :: POSIX :: Linux",
         "Programming Language :: Python :: 3 :: Only",
-        "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",
         "Programming Language :: Python :: 3.12",
         "Programming Language :: Python :: 3.13",
+        "Programming Language :: Python :: 3.14",
         "Programming Language :: Python :: Implementation :: CPython"
 ]
 
@@ -219,6 +219,7 @@ extend-immutable-calls = [
 "scripts/welcome.py" = ["C901", "E722", "PLW1510", "S108", "S112", "S603", "S605", "S606", "S607"]
 "tests/agent/mcp/test_handlers.py" = ["B905"]
 "tests/agent/mcp/test_tool_params.py" = ["C901"]
+"tests/api/test_openapi_spec.py" = ["S603"]
 "tests/api/routes/controller/test_images.py" = ["S324", "W292"]
 "tests/api/routes/controller/test_links.py" = ["RUF015", "W292"]
 "tests/api/routes/controller/test_users.py" = ["F811"]

requirements.txt

@@ -1,19 +1,17 @@
 # GNS3 Server Core Dependencies
 uvicorn==0.54.0
 pydantic==2.13.5
-fastapi==0.141.1
+fastapi==0.142.4
 python-multipart==0.0.32
-websockets==16.1.1  # version 16.1.1 is the last version that supports Python 3.10
+websockets==16.1.1 # google-genai 2.10.0 has requirement websockets<17.0
-aiohttp>=3.14.3,<3.15
+aiohttp>=3.14.4,<3.15
 aiofiles>=25.1.0,<26.0
 Jinja2>=3.1.6,<3.2
 sentry-sdk>=2.70.0,<3  # optional dependency
 psutil>=7.2.2
-async-timeout>=5.0.1,<5.1; python_version < '3.11'  # this library has effectively been upstreamed into Python 3.11+
 distro>=1.9.0
 py-cpuinfo>=9.0.0,<10.0
-greenlet==3.5.3; python_version >= '3.13' # necessary to run sqlalchemy on Python >= 3.13
+sqlalchemy[asyncio]==2.1.4
-sqlalchemy==2.0.54  # version 2.0.54 is the last version that supports Python 3.10
 aiosqlite==0.22.1
 alembic==1.20
 bcrypt==5.0.0
@@ -22,7 +20,7 @@ email-validator==2.3.0
 watchdog==6.0.0
 zstandard==0.25.0
 platformdirs>=2.4.0  # fastmcp-slim >=3.4 requires >=4.0.0; upper bound removed for compatibility
-truststore>=0.10.4; python_version >= '3.10'
+truststore>=0.10.4
 
 # Shared dependencies (also used by AI Copilot)
 telnetlib3==5.0.1,<6

tests/api/routes/controller/test_appliances.py

@@ -101,3 +101,33 @@ class TestApplianceRoutes:
             app.url_path_for("add_appliance_version", appliance_id=appliance_id), json=new_version
         )
         assert response.status_code == status.HTTP_409_CONFLICT
+
+    async def test_add_v8_version_appliance(self, app: FastAPI, client: AsyncClient) -> None:
+
+        appliance_id = "1cfdf900-7c30-4cb7-8f03-3f61d2581633"  # Empty VM appliance
+        new_version = {"name": "v8-99G", "category": "guest", "images": {"hda_disk_image": "empty99G.qcow2"}}
+        response = await client.post(
+            app.url_path_for("add_appliance_version", appliance_id=appliance_id), json=new_version
+        )
+        assert response.status_code == status.HTTP_201_CREATED
+        assert new_version in response.json()["versions"]
+
+    async def test_add_version_appliance_with_registry_version(self, app: FastAPI, client: AsyncClient) -> None:
+
+        appliance_id = "1cfdf900-7c30-4cb7-8f03-3f61d2581633"  # Empty VM appliance
+        stored_version = {"name": "explicit-99G", "images": {"hda_disk_image": "empty99G.qcow2"}}
+        response = await client.post(
+            app.url_path_for("add_appliance_version", appliance_id=appliance_id),
+            json=dict(stored_version, registry_version=3),
+        )
+        assert response.status_code == status.HTTP_201_CREATED
+        assert stored_version in response.json()["versions"]
+
+    async def test_add_version_appliance_unknown_registry_version(self, app: FastAPI, client: AsyncClient) -> None:
+
+        appliance_id = "1cfdf900-7c30-4cb7-8f03-3f61d2581633"  # Empty VM appliance
+        response = await client.post(
+            app.url_path_for("add_appliance_version", appliance_id=appliance_id),
+            json={"name": "bad", "registry_version": 7, "images": {"hda_disk_image": "empty99G.qcow2"}},
+        )
+        assert response.status_code == status.HTTP_422_UNPROCESSABLE_ENTITY

tests/api/routes/controller/test_links.py

@@ -608,6 +608,7 @@ class TestLinkRoutes:
         assert result["rhost"] == "127.0.0.1"
         assert result["rport"] == 30000
         assert result["type"] == "udp"
+        assert result["kind"] == "udp"
 
     async def test_get_ethernet_interface(self, app: FastAPI, client: AsyncClient, project: Project) -> None:
         """
@@ -638,3 +639,4 @@ class TestLinkRoutes:
         assert result["node_id"] == cloud_node.id
         assert result["interface"] == "eth0"
         assert result["type"] == "ethernet"
+        assert result["kind"] == "ethernet"

tests/api/test_openapi_discriminators.py

@@ -0,0 +1,65 @@
+#!/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/>.
+
+import pytest
+from fastapi import FastAPI
+
+pytestmark = pytest.mark.asyncio
+
+
+@pytest.fixture
+def openapi(app: FastAPI) -> dict:
+    return app.openapi()
+
+
+def _ref(name: str) -> str:
+    return f"#/components/schemas/{name}"
+
+
+def _assert_discriminated(schema: dict, property_name: str, mapping: dict) -> None:
+    assert [item["$ref"] for item in schema["oneOf"]] == [_ref(name) for name in dict.fromkeys(mapping.values())]
+    assert schema["discriminator"]["propertyName"] == property_name
+    assert schema["discriminator"]["mapping"] == {key: _ref(name) for key, name in mapping.items()}
+
+
+async def test_link_iface_response_is_discriminated(openapi: dict) -> None:
+    path = "/v3/projects/{project_id}/links/{link_id}/iface"
+    schema = openapi["paths"][path]["get"]["responses"]["200"]["content"]["application/json"]["schema"]
+    _assert_discriminated(schema, "kind", {"udp": "UDPPortInfo", "ethernet": "EthernetPortInfo"})
+
+
+async def test_appliance_version_request_is_discriminated(openapi: dict) -> None:
+    schema = openapi["paths"]["/v3/appliances/{appliance_id}/version"]["post"]["requestBody"]["content"][
+        "application/json"
+    ]["schema"]
+    mapping = {str(version): "ApplianceVersionCreateV1_6" for version in range(1, 7)}
+    mapping["8"] = "ApplianceVersionCreateV8"
+    _assert_discriminated(schema, "registry_version", mapping)
+
+
+async def test_appliance_settings_are_discriminated(openapi: dict) -> None:
+    schema = openapi["components"]["schemas"]["ApplianceV8"]["properties"]["settings"]["items"]
+    _assert_discriminated(
+        schema,
+        "template_type",
+        {
+            "qemu": "QemuTemplateSetting",
+            "dynamips": "DynamipsTemplateSetting",
+            "iou": "IouTemplateSetting",
+            "docker": "DockerTemplateSetting",
+        },
+    )

tests/api/test_openapi_spec.py

@@ -0,0 +1,114 @@
+#
+# 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/>.
+
+import json
+import subprocess
+import sys
+
+import pytest
+from fastapi import FastAPI
+
+from gns3server.agent import AI_COPILOT_AVAILABLE, MCP_AVAILABLE
+from gns3server.version import __api_version__, __version__
+
+pytestmark = pytest.mark.asyncio
+
+AI_PATH_PREFIXES = (
+    "/v3/copilot",
+    "/v3/mcp",
+    "/v3/access/llm",
+    "/v3/access/users/{user_id}/llm-model-configs",
+    "/v3/access/groups/{group_id}/llm-model-configs",
+)
+
+SPEC_SCRIPT = """
+import json
+import sys
+
+from gns3server.config import Config
+
+Config.instance(files=[sys.argv[1]])
+
+from gns3server.api.server import app
+
+print(json.dumps(app.openapi()))
+"""
+
+
+def _operation_ids(spec: dict) -> list:
+    return [
+        operation["operationId"]
+        for path_item in spec["paths"].values()
+        for operation in path_item.values()
+        if isinstance(operation, dict) and "operationId" in operation
+    ]
+
+
+def _build_spec(tmp_path, include_ai: bool) -> dict:
+    config_file = tmp_path / "gns3_server.conf"
+    config_file.write_text(f"[Server]\nopenapi_include_ai = {str(include_ai).lower()}\n")
+    result = subprocess.run(
+        [sys.executable, "-c", SPEC_SCRIPT, str(config_file)],
+        capture_output=True,
+        text=True,
+        check=True,
+        timeout=120,
+    )
+    return json.loads(result.stdout.splitlines()[-1])
+
+
+class TestOpenAPISpec:
+    async def test_controller_version_matches_package(self, app: FastAPI) -> None:
+
+        spec = app.openapi()
+        assert spec["info"]["version"] == __api_version__
+        assert spec["info"]["version"] == __version__.split("+")[0]
+        assert "+" not in spec["info"]["version"]
+
+    async def test_compute_version_matches_package(self, app: FastAPI) -> None:
+
+        compute_app = next(route.app for route in app.routes if getattr(route, "path", None) == "/v3/compute")
+        assert compute_app.openapi()["info"]["version"] == __api_version__
+
+    async def test_servers_entry(self, app: FastAPI) -> None:
+
+        assert app.openapi()["servers"] == [{"url": "/"}]
+
+    async def test_no_catch_all_operations(self, app: FastAPI) -> None:
+
+        paths = app.openapi()["paths"]
+        assert [path for path in paths if "{path}" in path] == []
+
+    async def test_operation_ids_are_unique(self, app: FastAPI) -> None:
+
+        operation_ids = _operation_ids(app.openapi())
+        assert len(operation_ids) == len(set(operation_ids))
+
+    @pytest.mark.skipif(AI_COPILOT_AVAILABLE or MCP_AVAILABLE, reason="AI extras are installed")
+    async def test_ai_routes_absent_without_extras(self, app: FastAPI) -> None:
+
+        paths = app.openapi()["paths"]
+        assert [path for path in paths if path.startswith(AI_PATH_PREFIXES)] == []
+
+    async def test_setting_hides_ai_routes_and_keeps_the_rest(self, tmp_path) -> None:
+
+        with_ai = _build_spec(tmp_path, include_ai=True)
+        without_ai = _build_spec(tmp_path, include_ai=False)
+
+        assert [path for path in without_ai["paths"] if path.startswith(AI_PATH_PREFIXES)] == []
+        non_ai_paths = {path: item for path, item in with_ai["paths"].items() if not path.startswith(AI_PATH_PREFIXES)}
+        assert without_ai["paths"] == non_ai_paths
+        assert len(_operation_ids(without_ai)) == len(set(_operation_ids(without_ai)))

tests/controller/test_appliance.py

@@ -17,10 +17,21 @@
 
 import pydantic
 import pytest
+from pydantic import TypeAdapter
 
 from gns3server.controller.appliance import Appliance
 from gns3server.controller.appliance_to_template import ApplianceToTemplate
-from gns3server.schemas.controller.appliances import ApplianceModel
+from gns3server.schemas.controller.appliances import (
+    ApplianceModel,
+    ApplianceVersionCreate,
+    ApplianceVersionCreateV1_6,
+    ApplianceVersionCreateV8,
+    DockerTemplateSetting,
+    DynamipsTemplateSetting,
+    IouTemplateSetting,
+    QemuTemplateSetting,
+    TemplateSetting,
+)
 
 # v8 mirror of the XRd Control Plane appliance shape (docker, custom_adapters, no versions)
 XRD_V8 = {
@@ -242,3 +253,44 @@ def test_v8_netmiko_device_type_empty_string_clears():
     appliance = dict(XRD_V8, netmiko_device_type="")
     model = ApplianceModel.model_validate(appliance)
     assert model.netmiko_device_type == ""
+
+
+@pytest.mark.parametrize(
+    "template_type, properties, expected",
+    [
+        ("qemu", {"ram": 512}, QemuTemplateSetting),
+        ("dynamips", {"platform": "c7200", "ram": 256}, DynamipsTemplateSetting),
+        ("iou", {"ram": 256}, IouTemplateSetting),
+        ("docker", {"image": "alpine:latest"}, DockerTemplateSetting),
+    ],
+)
+def test_template_setting_decoded_through_discriminator(template_type, properties, expected):
+    setting = TypeAdapter(TemplateSetting).validate_python(
+        {"name": "a", "template_type": template_type, "template_properties": properties}
+    )
+    assert type(setting) is expected
+    assert setting.template_type == template_type
+
+
+def test_template_setting_unknown_template_type_rejected():
+    with pytest.raises(pydantic.ValidationError):
+        TypeAdapter(TemplateSetting).validate_python({"template_type": "vpcs", "template_properties": {}})
+
+
+@pytest.mark.parametrize(
+    "data, expected",
+    [
+        ({"name": "1", "registry_version": 1}, ApplianceVersionCreateV1_6),
+        ({"name": "6", "registry_version": 6}, ApplianceVersionCreateV1_6),
+        ({"name": "8", "registry_version": 8}, ApplianceVersionCreateV8),
+        ({"name": "plain", "images": {"hda_disk_image": "a.qcow2"}}, ApplianceVersionCreateV1_6),
+        ({"name": "v8", "category": "guest"}, ApplianceVersionCreateV8),
+    ],
+)
+def test_appliance_version_decoded_through_discriminator(data, expected):
+    assert type(TypeAdapter(ApplianceVersionCreate).validate_python(data)) is expected
+
+
+def test_appliance_version_unknown_registry_version_rejected():
+    with pytest.raises(pydantic.ValidationError):
+        TypeAdapter(ApplianceVersionCreate).validate_python({"name": "x", "registry_version": 7})