PingWatch 网络设备离线监控系统

- FastAPI 后端 + Vue 3 前端
- Docker Compose 一键部署
- Casdoor OAuth 认证集成
- LogHive 集中式日志
- 设备批量 CSV 导入/导出
- WebSocket 实时状态推送
- 企业微信告警通知
- fping 高性能并发 Ping 检测

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

backend/app/main.py

@@ -0,0 +1,99 @@
+"""
+PingWatch — 网络设备离线监控系统
+FastAPI 后端入口
+"""
+
+import asyncio
+import logging
+from contextlib import asynccontextmanager
+
+from fastapi import FastAPI
+from fastapi.middleware.cors import CORSMiddleware
+
+from app.config import settings
+from app.core.deps import init_db
+from app.core.loghive import LogHiveHandler
+from app.services.scheduler import scheduler
+from app.services.cleanup import cleanup_old_data
+from app.api import devices, alerts, stats, auth, ws, users
+
+# 日志配置
+logging.basicConfig(
+    level=logging.INFO,
+    format="%(asctime)s [%(name)s] %(levelname)s: %(message)s",
+)
+
+# 接入 LogHive 日志系统
+loghive_handler = LogHiveHandler(
+    endpoint=settings.LOGHIVE_ENDPOINT,
+    project=settings.LOGHIVE_PROJECT,
+    api_key=settings.LOGHIVE_API_KEY,
+)
+if settings.LOGHIVE_API_KEY:
+    logging.getLogger().addHandler(loghive_handler)
+
+logger = logging.getLogger("pingwatch")
+
+
+@asynccontextmanager
+async def lifespan(app: FastAPI):
+    """应用生命周期"""
+    logger.info("PingWatch 启动中...")
+
+    # 初始化数据库
+    await init_db()
+    logger.info("数据库初始化完成")
+
+    # 启动 Ping 调度器
+    scheduler.start()
+    logger.info("Ping 调度器已启动")
+
+    # 启动定时清理任务
+    async def cleanup_loop():
+        while True:
+            await asyncio.sleep(3600 * 6)  # 每 6 小时
+            try:
+                await cleanup_old_data()
+            except Exception as e:
+                logger.error(f"清理任务异常: {e}")
+
+    cleanup_task = asyncio.create_task(cleanup_loop())
+
+    yield
+
+    # 关闭
+    await scheduler.stop()
+    cleanup_task.cancel()
+    loghive_handler.close()
+    logger.info("PingWatch 已关闭")
+
+
+app = FastAPI(
+    title="PingWatch",
+    description="网络设备离线监控系统",
+    version="1.0.0",
+    lifespan=lifespan,
+)
+
+# CORS
+origins = [o.strip() for o in settings.CORS_ORIGINS.split(",")]
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=origins,
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
+# 注册路由
+app.include_router(auth.router)
+app.include_router(devices.router)
+app.include_router(alerts.router)
+app.include_router(stats.router)
+app.include_router(ws.router)
+app.include_router(users.router)
+
+
+@app.get("/api/health")
+async def health():
+    return {"status": "ok"}