136 lines
3.9 KiB
Python
136 lines
3.9 KiB
Python
import logging
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from contextlib import asynccontextmanager
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from fastapi import FastAPI
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from fastapi.middleware.cors import CORSMiddleware
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from app.core.config import settings
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from app.api.v1.api import api_router
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from app.db.session import AsyncSessionLocal
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from app.db.init_db import init_db
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# 配置日志
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logging.basicConfig(
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level=logging.INFO,
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format='%(asctime)s - %(name)s - %(levelname)s - %(message)s',
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datefmt='%Y-%m-%d %H:%M:%S'
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)
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logger = logging.getLogger(__name__)
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# 禁用 uvicorn access log 和 LiteLLM INFO 日志
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logging.getLogger("uvicorn.access").setLevel(logging.WARNING)
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logging.getLogger("LiteLLM").setLevel(logging.WARNING)
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logging.getLogger("litellm").setLevel(logging.WARNING)
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async def check_agent_services():
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"""检查 Agent 必须服务的可用性"""
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issues = []
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# 检查 Docker/沙箱服务
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try:
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import docker
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client = docker.from_env()
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client.ping()
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logger.info(" - Docker 服务可用")
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except ImportError:
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issues.append("Docker Python 库未安装 (pip install docker)")
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except Exception as e:
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issues.append(f"Docker 服务不可用: {e}")
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# 检查 Redis 连接（可选警告）
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try:
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import redis
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import os
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redis_url = os.environ.get("REDIS_URL", "redis://localhost:6379/0")
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r = redis.from_url(redis_url)
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r.ping()
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logger.info(" - Redis 服务可用")
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except ImportError:
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logger.warning(" - Redis Python 库未安装，部分功能可能受限")
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except Exception as e:
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logger.warning(f" - Redis 服务连接失败: {e}")
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return issues
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@asynccontextmanager
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async def lifespan(app: FastAPI):
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"""
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应用生命周期管理
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启动时初始化数据库（创建默认账户等）
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"""
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logger.info("DeepAudit 后端服务启动中...")
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# 初始化数据库（创建默认账户）
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# 注意：需要先运行 alembic upgrade head 创建表结构
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try:
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async with AsyncSessionLocal() as db:
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await init_db(db)
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logger.info(" - 数据库初始化完成")
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except Exception as e:
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# 表不存在时静默跳过，等待用户运行数据库迁移
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error_msg = str(e)
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if "does not exist" in error_msg or "UndefinedTableError" in error_msg:
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logger.info("数据库表未创建，请先运行: alembic upgrade head")
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else:
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logger.warning(f"数据库初始化跳过: {e}")
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# 检查 Agent 服务
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logger.info("检查 Agent 核心服务...")
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issues = await check_agent_services()
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if issues:
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logger.warning("=" * 50)
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logger.warning("Agent 服务检查发现问题:")
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for issue in issues:
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logger.warning(f" - {issue}")
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logger.warning("部分功能可能不可用，请检查配置")
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logger.warning("=" * 50)
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else:
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logger.info(" - Agent 核心服务检查通过")
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logger.info("=" * 50)
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logger.info("DeepAudit 后端服务已启动")
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logger.info(f"API 文档: http://localhost:8000/docs")
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logger.info("=" * 50)
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logger.info("演示账户: demo@example.com / demo123")
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logger.info("=" * 50)
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yield
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logger.info("DeepAudit 后端服务已关闭")
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app = FastAPI(
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title=settings.PROJECT_NAME,
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openapi_url=f"{settings.API_V1_STR}/openapi.json",
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lifespan=lifespan
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)
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# Configure CORS - Allow all origins in development
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app.add_middleware(
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CORSMiddleware,
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allow_origins=["*"], # In production, replace with specific frontend URL
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allow_credentials=True,
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allow_methods=["*"],
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allow_headers=["*"],
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)
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app.include_router(api_router, prefix=settings.API_V1_STR)
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@app.get("/health")
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async def health_check():
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return {"status": "ok"}
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@app.get("/")
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async def root():
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return {
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"message": "Welcome to DeepAudit API",
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"docs": "/docs",
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"demo_account": {
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"email": "demo@example.com",
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"password": "demo123"
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}
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}
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