main.py

"""
OpenStack VM Lifecycle Management API

Main application entry point.
"""

import logging
from contextlib import asynccontextmanager
from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware

from app import __version__, __description__
from app.config import settings
from app.routes.vm_routes import router as vm_router


# Configure logging
logger = logging.getLogger(__name__)


@asynccontextmanager
async def lifespan(_app: FastAPI):
    """Application lifespan event handler"""
    # Startup
    logger.info(f"Starting {settings.app_name} v{__version__}")
    logger.info(f"Environment: {settings.environment}")
    logger.info(f"API Version: {settings.api_version}")
    logger.info(f"Debug Mode: {settings.debug}")

    yield

    # Shutdown
    logger.info(f"Shutting down {settings.app_name}")


# Create FastAPI application
app = FastAPI(
    title="OpenStack VM Lifecycle Management API",
    description=__description__,
    version=__version__,
    docs_url="/docs",
    redoc_url="/redoc",
    openapi_url="/openapi.json",
    lifespan=lifespan,
)

# Configure CORS
app.add_middleware(
    CORSMiddleware,
    allow_origins=settings.cors_origins,
    allow_credentials=settings.cors_allow_credentials,
    allow_methods=["*"],
    allow_headers=["*"],
)

# Include routers
app.include_router(vm_router)


@app.get("/", tags=["Root"])
async def root():
    """Root endpoint"""
    return {
        "message": "OpenStack VM Lifecycle Management API",
        "version": __version__,
        "docs": "/docs",
        "health": f"/api/{settings.api_version}/health",
    }


if __name__ == "__main__":
    import uvicorn

    uvicorn.run(
        "main:app",
        host=settings.host,
        port=settings.port,
        reload=settings.debug,
        log_level=settings.log_level.lower(),
    )