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/config.py

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+"""应用配置，通过环境变量注入，不支持 .env 文件"""
+
+from pydantic_settings import BaseSettings
+from typing import Optional
+
+
+class Settings(BaseSettings):
+    # ---------- 数据库 ----------
+    DATABASE_URL: str = "sqlite+aiosqlite:///./pingwatch.db"
+    # PostgreSQL: "postgresql+asyncpg://user:pass@localhost/pingwatch"
+
+    # ---------- 企业微信 ----------
+    WECOM_CORP_ID: str = ""
+    WECOM_AGENT_ID: int = 0
+    WECOM_APP_SECRET: str = ""
+
+    # ---------- Casdoor ----------
+    CASDOOR_ENDPOINT: str = "https://casdoor.dhdx.fun"
+    CASDOOR_CLIENT_ID: str = ""
+    CASDOOR_CLIENT_SECRET: str = ""
+    CASDOOR_CERTIFICATE: str = ""               # 可选，用于验证 id_token 签名
+    CASDOOR_ORGANIZATION: str = "dahua"
+    CASDOOR_APPLICATION: str = "PingWatch"
+    CASDOOR_REDIRECT_URI: str = "http://10.10.10.7:5173/login"  # 前端回调地址
+
+    # ---------- Ping 引擎 ----------
+    PING_INTERVAL_SECONDS: int = 30
+    PING_TIMEOUT_SECONDS: float = 5.0
+    DEFAULT_ALERT_THRESHOLD: int = 5
+    PING_CONCURRENCY: int = 50
+    FPING_PATH: str = "/usr/bin/fping"
+
+    # ---------- 上游心跳 ----------
+    UPSTREAM_PING_TARGET: str = "114.114.114.114"
+    UPSTREAM_PING_THRESHOLD: int = 2
+    OFFLINE_SUPPRESS_RATIO: float = 0.9
+
+    # ---------- 数据保留 ----------
+    PING_RECORD_RETENTION_DAYS: int = 90
+    ALERT_RETENTION_DAYS: int = 365
+
+    # ---------- JWT ----------
+    SECRET_KEY: str = "change-me-to-a-long-random-string"
+    ACCESS_TOKEN_EXPIRE_MINUTES: int = 480
+
+    # ---------- LogHive ----------
+    LOGHIVE_ENDPOINT: str = "http://10.10.10.14:8000"
+    LOGHIVE_PROJECT: str = "PingWatch"
+    LOGHIVE_API_KEY: str = ""
+
+    # ---------- CORS ----------
+    CORS_ORIGINS: str = "http://localhost:5173,http://10.10.10.7:5173,http://10.10.10.7"
+
+    model_config = {"env_file": ".env", "env_file_encoding": "utf-8"}
+
+
+settings = Settings()