59 lines
1.3 KiB
Python
59 lines
1.3 KiB
Python
import sys
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from contextlib import asynccontextmanager
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import uvicorn
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from fastapi import FastAPI
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from fastapi.responses import JSONResponse
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from loguru import logger
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from sqlalchemy.exc import SQLAlchemyError
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from app.database import check_database, engine
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logger.remove()
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logger.add(
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sys.stderr,
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format="<green>{time:YYYY-MM-DD HH:mm:ss}</green> | <level>{level: <8}</level> | <cyan>{name}</cyan>:<cyan>{function}</cyan> - <level>{message}</level>",
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)
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@asynccontextmanager
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async def lifespan(app: FastAPI):
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await check_database()
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logger.info("Database connection verified")
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yield
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await engine.dispose()
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logger.info("Database engine disposed")
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app = FastAPI(
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title="Operation Room Monitor",
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lifespan=lifespan,
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)
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@app.get("/health")
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async def health():
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logger.debug("Health check")
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try:
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await check_database()
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except SQLAlchemyError as exc:
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logger.warning("Health check: database unavailable: {}", exc)
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return JSONResponse(
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status_code=503,
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content={"status": "degraded", "database": "unavailable"},
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)
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return {"status": "ok", "database": "connected"}
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def main() -> None:
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uvicorn.run(
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"main:app",
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host="0.0.0.0",
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port=8000,
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reload=True,
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)
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if __name__ == "__main__":
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main()
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