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40 lines
1.7 KiB
Python
40 lines
1.7 KiB
Python
import asyncio
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from collections.abc import AsyncGenerator
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from typing import Annotated, Any
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from fastapi import APIRouter, Depends, Request
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from fastapi.responses import JSONResponse
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from fastapi.sse import EventSourceResponse, ServerSentEvent
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from app.common.response import ResponseSchema, SuccessResponse
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from app.config.setting import Settings, get_settings
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from app.core.router_class import OperationLogRoute
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from .schema import ServiceInfoOut
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from .service import HealthService
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HealthRouter = APIRouter(route_class=OperationLogRoute, prefix="/health", tags=["健康检查"])
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@HealthRouter.get("/check", summary="健康检查", response_model=ResponseSchema[ServiceInfoOut])
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async def health_check(request: Request, settings: Annotated[Settings, Depends(get_settings)]) -> JSONResponse:
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"""健康检查：实时探测 DB / Redis 网络连通状态。"""
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redis: Any | None = getattr(request.app.state, "redis", None)
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info = await HealthService.collect(redis)
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ok = info.db_status == 1 and info.redis_status == 1
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return SuccessResponse(data=info, msg=f"系统健康-{settings.VERSION}" if ok else f"服务异常-{settings.VERSION}")
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@HealthRouter.get("/stream", summary="健康检查实时流(SSE)", response_class=EventSourceResponse)
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async def health_stream_controller(
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request: Request,
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) -> AsyncGenerator[ServerSentEvent, None]:
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"""健康检查实时流（SSE）：每 30s 实时探测 DB / Redis 后推送一帧。"""
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redis: Any | None = getattr(request.app.state, "redis", None)
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while True:
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info = await HealthService.collect(redis)
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yield ServerSentEvent(data=info.model_dump_json())
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await asyncio.sleep(30) # SSE 推送间隔（秒）
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