YueGuobin 629bb9194f
refactor: sink shared REST handlers into gns3_client, drop gns3fy wrappers
- Slim custom_gns3fy.py to connector-only Gns3Connector and rename to
  connector.py; delete the unused Node/Link/Project dataclasses and
  endpoint wrapper methods (~3000 lines)
- Move the MCP node/link handler implementations into
  gns3_client/api_handlers.py as the shared REST client layer consumed
  by both the MCP service and copilot tools; add available_filters
  handler (exposed as link_available_filters MCP tool) and
  build_gns3_ctx() for copilot callers
- Rewrite the tools_v2 node/link tools on top of the handlers: batch
  lifecycle actions now run in parallel, node creation is a single
  POST, project-wide status reads replace per-node GETs
- Port Project.nodes_inventory/links_summary aggregation into
  project_inventory.py (output shape preserved) and rewrite the
  topology reader / project info tools on it, dropping the unused
  stats/snapshots/drawings calls
- Delete the dead mcp/nodes.py and mcp/links.py (NODE_TOOLS/LINK_TOOLS
  had no consumers; __init__ imports handlers from api_handlers)
- Retarget mcp handler tests to patch api_handlers._get_connector and
  replace test_custom_gns3fy.py with inventory contract tests
2026-08-25 09:15:32 +08:00

102 lines
4.2 KiB
Python

#
# Copyright (C) 2026 GNS3 Technologies Inc.
# Author: Yue Guobin
#
# 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/>.
"""
MCP tool handlers for GNS3 symbol management.
"""
from typing import Any
import logging
from gns3server.services import auth_service
log = logging.getLogger(__name__)
# ── Helper ─────────────────────────────────────────────────────────────────
def _get_connector(gns3_ctx: dict[str, Any]):
from gns3server.agent.gns3_copilot.gns3_client.connector import Gns3Connector
return Gns3Connector(
url=gns3_ctx["server_url"],
jwt_token=gns3_ctx["jwt_token"],
api_version=3,
verify=False,
)
# ── Tool handlers ──────────────────────────────────────────────────────────
def get_symbols_handler(params: dict[str, Any], gns3_ctx: dict[str, Any]) -> dict[str, Any]:
conn = _get_connector(gns3_ctx)
symbols = conn.http_call("get", f"{conn.base_url}/symbols").json()
return {"symbols": symbols, "count": len(symbols)}
def get_symbol_handler(params: dict[str, Any], gns3_ctx: dict[str, Any]) -> dict[str, Any]:
symbol_id = params.get("symbol_id")
if not symbol_id:
return {"error": "symbol_id is required"}
download_url = f"{gns3_ctx['server_url']}/v3/symbols/{symbol_id}/raw"
username = gns3_ctx.get("jwt_username")
download_token = auth_service.create_access_token(username, token_version=gns3_ctx.get("jwt_token_version", 0), expires_in=10) if username else None
result = {
"symbol_id": symbol_id,
"download_url": download_url,
"note": "Symbol files are SVG images.",
}
if download_token:
safe_name = symbol_id.replace(':', '').replace('/', '_')
result["curl_command"] = f"curl -L -o '{safe_name}.svg' -H 'Authorization: Bearer {download_token}' '{download_url}'"
result["note"] += " Download link includes a 10-minute token."
return result
def get_symbol_dimensions_handler(params: dict[str, Any], gns3_ctx: dict[str, Any]) -> dict[str, Any]:
symbol_id = params.get("symbol_id")
if not symbol_id:
return {"error": "symbol_id is required"}
conn = _get_connector(gns3_ctx)
return conn.http_call("get", f"{conn.base_url}/symbols/{symbol_id}/dimensions").json()
def get_default_symbols_handler(params: dict[str, Any], gns3_ctx: dict[str, Any]) -> dict[str, Any]:
conn = _get_connector(gns3_ctx)
symbols = conn.http_call("get", f"{conn.base_url}/symbols/default_symbols").json()
return {"default_symbols": symbols}
def upload_symbol_handler(params: dict[str, Any], gns3_ctx: dict[str, Any]) -> dict[str, Any]:
symbol_id = params.get("symbol_id")
content = params.get("content")
if not symbol_id or content is None:
return {"error": "symbol_id and content (SVG data) are required"}
conn = _get_connector(gns3_ctx)
url = f"{conn.base_url}/symbols/{symbol_id}/raw"
conn.http_call("post", url, data=content, headers={"Content-Type": "image/svg+xml"})
return {"message": f"Symbol {symbol_id} uploaded", "symbol_id": symbol_id}
def delete_symbol_handler(params: dict[str, Any], gns3_ctx: dict[str, Any]) -> dict[str, Any]:
symbol_id = params.get("symbol_id")
if not symbol_id:
return {"error": "symbol_id is required"}
conn = _get_connector(gns3_ctx)
conn.http_call("delete", f"{conn.base_url}/symbols/{symbol_id}")
return {"message": f"Symbol {symbol_id} deleted", "symbol_id": symbol_id}