railway_start.py

#!/usr/bin/env python3
"""
Railway startup script for AGS SPARQL Agent MCP Server
This ensures proper environment variable handling for Railway deployment
"""

import os
import sys
import subprocess

def main():
    print("🚀 Railway Startup Script")
    print("=" * 50)
    
    # Get Railway environment variables
    host = os.getenv('HOST', '0.0.0.0')
    port = os.getenv('PORT', '8000')
    
    print(f"📋 Configuration:")
    print(f"   HOST: {host}")
    print(f"   PORT: {port}")
    print(f"   Python: {sys.version}")
    print(f"   Working Directory: {os.getcwd()}")
    
    # Check required environment variables
    required_vars = ['ANZO_SERVER', 'ANZO_USERNAME', 'ANZO_PASSWORD']
    missing = [var for var in required_vars if not os.getenv(var)]
    
    if missing:
        print(f"⚠️  Warning: Missing environment variables: {missing}")
    else:
        print("✅ All required environment variables found")
    
    # Ensure HOST and PORT are set (Railway provides them)
    os.environ['HOST'] = host
    os.environ['PORT'] = str(port)
    
    print(f"\n🚀 Starting Streamable HTTP server...")
    print(f"🌐 MCP endpoint: http://{host}:{port}/mcp")
    print("=" * 50)
    print()
    
    # Start the server directly
    try:
        # Run the Python script directly in the same process
        sys.path.insert(0, os.path.join(os.getcwd(), 'src'))
        
        # Import and run the main function
        from ags_sparql_agent_server import main as server_main
        
        server_main()
    except Exception as e:
        print(f"❌ Failed to start server: {e}", file=sys.stderr)
        import traceback
        traceback.print_exc()
        sys.exit(1)

if __name__ == "__main__":
    main()