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superset2/superset/mcp_service/server.py

66 lines
2.4 KiB
Python

# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
"""
Merged MCP server for Apache Superset (replaces both server.py and fastmcp_server.py)
This file provides:
- FastMCP server setup, tool registration, and middleware (init_fastmcp_server)
- Unified entrypoint for running the MCP service (HTTP)
"""
import logging
import os
from superset.mcp_service.mcp_app import mcp, init_fastmcp_server
def configure_logging(debug: bool = False) -> None:
"""Configure logging for the MCP service."""
if debug or os.environ.get("SQLALCHEMY_DEBUG"):
logging.basicConfig(
level=logging.INFO,
format='%(asctime)s - %(name)s - %(levelname)s - %(message)s'
)
for logger_name in ['sqlalchemy.engine', 'sqlalchemy.pool', 'sqlalchemy.dialects']:
logging.getLogger(logger_name).setLevel(logging.INFO)
print("🔍 SQL Debug logging enabled")
def run_server(host: str = "0.0.0.0", port: int = 5008, debug: bool = False) -> None:
"""
Run the MCP service server with REST API and FastMCP endpoints.
Only supports HTTP (streamable-http) transport.
"""
configure_logging(debug)
print(f"Creating MCP app...")
# init_flask_app()
init_fastmcp_server() # This will register middleware, etc.
env_key = f"FASTMCP_RUNNING_{port}"
if not os.environ.get(env_key):
os.environ[env_key] = "1"
try:
print(f"Starting FastMCP on {host}:{port}")
mcp.run(transport="streamable-http", host=host, port=port)
except Exception as e:
print(f"FastMCP failed: {e}")
os.environ.pop(env_key, None)
else:
print(f"FastMCP already running on {host}:{port}")
if __name__ == "__main__":
run_server()