Files
banban/mini-program/app/middleware/request_log.py
2026-03-26 11:25:34 +08:00

66 lines
2.2 KiB
Python

import logging
import time
import uuid
from collections.abc import Awaitable, Callable
from fastapi import FastAPI, Request
from starlette.responses import Response
logger = logging.getLogger("app.request")
def install_request_logging_middleware(app: FastAPI) -> None:
@app.middleware("http")
async def request_logging_middleware(
request: Request,
call_next: Callable[[Request], Awaitable[Response]],
) -> Response:
request_id = request.headers.get("X-Request-ID") or uuid.uuid4().hex
request.state.request_id = request_id
started_at = time.perf_counter()
try:
response = await call_next(request)
except Exception:
duration_ms = round((time.perf_counter() - started_at) * 1000, 2)
logger.exception(
"request failed",
extra={
"event": "request",
"request_id": request_id,
"method": request.method,
"path": request.url.path,
"status_code": 500,
"duration_ms": duration_ms,
"client_ip": request.client.host if request.client else None,
"user_id": getattr(request.state, "user_id", None),
},
)
raise
duration_ms = round((time.perf_counter() - started_at) * 1000, 2)
status_code = response.status_code
level = logging.INFO
if status_code >= 500:
level = logging.ERROR
elif status_code >= 400:
level = logging.WARNING
logger.log(
level,
"request completed",
extra={
"event": "request",
"request_id": request_id,
"method": request.method,
"path": request.url.path,
"status_code": status_code,
"duration_ms": duration_ms,
"client_ip": request.client.host if request.client else None,
"user_id": getattr(request.state, "user_id", None),
},
)
response.headers["X-Request-ID"] = request_id
return response