刘金宝
57 lines
1.8 KiB
Python
57 lines
1.8 KiB
Python
from fastapi import APIRouter
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from fastapi.responses import JSONResponse
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from sqlalchemy import text
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from app.core.config import settings
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from app.core.response import ok
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from app.db.session import SessionLocal
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router = APIRouter()
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@router.get("/live")
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def live():
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"""存活检查：确认 FastAPI 进程已启动并可以响应请求。"""
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return ok({"status": "live", "environment": settings.app_env})
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@router.get("/ready")
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def ready():
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"""就绪检查：验证生产配置、MySQL 和 Redis 是否支持核心业务运行。"""
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checks: dict[str, object] = {
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"configuration": {"ok": True, "errors": []},
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"mysql": {"ok": False},
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"redis": {"ok": False},
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}
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config_errors = settings.deployment_config_errors()
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checks["configuration"] = {"ok": not config_errors, "errors": config_errors}
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try:
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with SessionLocal() as db:
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db.execute(text("SELECT 1"))
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checks["mysql"] = {"ok": True}
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except Exception:
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checks["mysql"] = {"ok": False, "message": "database connection failed"}
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try:
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import redis
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redis.Redis.from_url(
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settings.redis_url,
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decode_responses=True,
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socket_connect_timeout=2,
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socket_timeout=2,
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).ping()
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checks["redis"] = {"ok": True}
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except Exception:
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checks["redis"] = {"ok": False, "message": "redis connection failed"}
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is_ready = all(bool(item.get("ok")) for item in checks.values() if isinstance(item, dict))
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payload = {
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"code": "OK" if is_ready else "SERVICE_NOT_READY",
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"message": "success" if is_ready else "service dependencies are not ready",
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"data": {"status": "ready" if is_ready else "not_ready", "checks": checks},
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}
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return JSONResponse(status_code=200 if is_ready else 503, content=payload)
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