lauadminandClaude Sonnet 5
2664cb8213
- FastAPI + SQLAlchemy async + Alembic + Postgres backend - Auth: JWT access + rotating refresh tokens, argon2, roles, audit log - React 19 + Vite frontend: login page, protected route, auth context - Docker Compose: postgres, redis, migrate, api, worker (placeholder), frontend/nginx Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
70 lines
2.1 KiB
Python
70 lines
2.1 KiB
Python
"""Проверки живости и готовности."""
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from __future__ import annotations
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from typing import Literal
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import redis.asyncio as aioredis
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from fastapi import APIRouter, Response, status
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from pydantic import BaseModel
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from sqlalchemy import text
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from app.api.deps import SessionDep
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from app.core.config import settings
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from app.core.logging import get_logger
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router = APIRouter(tags=["health"])
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log = get_logger(__name__)
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class HealthResponse(BaseModel):
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status: Literal["ok", "degraded"]
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environment: str
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database: bool
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redis: bool
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@router.get("/health", response_model=HealthResponse)
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async def health() -> HealthResponse:
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"""Liveness: процесс жив. Внешние зависимости не проверяются.
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Оркестратор не должен перезапускать контейнер из-за недоступного Postgres —
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перезапуск приложения проблему БД не решает.
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"""
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return HealthResponse(
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status="ok", environment=settings.environment, database=True, redis=True
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)
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@router.get("/health/ready", response_model=HealthResponse)
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async def readiness(session: SessionDep, response: Response) -> HealthResponse:
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"""Readiness: приложение способно обслуживать запросы."""
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db_ok = True
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redis_ok = True
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try:
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await session.execute(text("SELECT 1"))
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except Exception as exc: # noqa: BLE001 — health-check не должен падать сам
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db_ok = False
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log.warning("readiness_db_failed", error=str(exc))
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client = aioredis.from_url(settings.redis_url)
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try:
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await client.ping()
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except Exception as exc: # noqa: BLE001
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redis_ok = False
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log.warning("readiness_redis_failed", error=str(exc))
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finally:
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await client.aclose()
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healthy = db_ok and redis_ok
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if not healthy:
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response.status_code = status.HTTP_503_SERVICE_UNAVAILABLE
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return HealthResponse(
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status="ok" if healthy else "degraded",
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environment=settings.environment,
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database=db_ok,
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redis=redis_ok,
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)
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