167 lines
5.0 KiB
Python
167 lines
5.0 KiB
Python
from fastapi import FastAPI, HTTPException
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from fastapi.middleware.cors import CORSMiddleware
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from contextlib import asynccontextmanager
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import logging
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from .core.config import settings
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from .core.logging_config import setup_logging, get_logger
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from .core.database import init_db
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from .core.db_monitor import start_monitoring, log_pool_status, get_pool_status
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from .api.account import router as account_router
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from .api.database import router as database_router
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from .api.task import router as task_router
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from .api.comprehensive_data import router as comprehensive_data_router
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from .api.export_excel import router as export_excel_router
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from .api.daily import router as daily_router
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from .api.section_data import router as section_data_router
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from .api.level_data import router as level_data_router
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from .api.checkpoint import router as checkpoint_router
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from .utils.scheduler import task_scheduler
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# 初始化日志系统
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setup_logging()
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logger = get_logger(__name__)
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@asynccontextmanager
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async def lifespan(app: FastAPI):
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"""应用生命周期管理"""
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# 启动时执行
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logger.info("应用启动中...")
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# 初始化数据库
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try:
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init_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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logger.error(f"数据库初始化失败: {e}")
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# 启动数据库监控
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try:
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start_monitoring()
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logger.info("数据库连接池监控已启动")
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# 记录初始连接池状态
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pool_stats = get_pool_status()
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logger.info(f"初始连接池状态: {pool_stats}")
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except Exception as e:
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logger.error(f"数据库监控启动失败: {e}")
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# 启动定时任务调度器
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try:
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task_scheduler.start()
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logger.info("定时任务调度器启动完成")
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except Exception as e:
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logger.error(f"定时任务调度器启动失败: {e}")
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yield
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# 关闭时执行
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logger.info("应用关闭中...")
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# 记录最终连接池状态
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try:
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pool_stats = get_pool_status()
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logger.info(f"最终连接池状态: {pool_stats}")
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except Exception as e:
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logger.error(f"获取最终连接池状态失败: {e}")
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try:
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task_scheduler.shutdown()
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logger.info("定时任务调度器已关闭")
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except Exception as e:
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logger.error(f"定时任务调度器关闭失败: {e}")
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# 创建FastAPI应用
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app = FastAPI(
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title="铁路项目管理系统",
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description="基于FastAPI、MySQL、SQLAlchemy的铁路项目管理系统",
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version="1.0.0",
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lifespan=lifespan
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)
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# 配置CORS
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app.add_middleware(
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CORSMiddleware,
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allow_origins=["*"], # 生产环境建议配置具体域名
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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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# 注册路由
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app.include_router(account_router, prefix="/api")
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app.include_router(database_router, prefix="/api")
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app.include_router(task_router, prefix="/api")
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app.include_router(comprehensive_data_router, prefix="/api")
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app.include_router(export_excel_router, prefix="/api")
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app.include_router(daily_router, prefix="/api")
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app.include_router(section_data_router, prefix="/api")
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app.include_router(level_data_router, prefix="/api")
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app.include_router(checkpoint_router, prefix="/api")
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# app.include_router(test_router, prefix="/api")
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# 根路径
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@app.get("/")
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async def root():
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"""根路径"""
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return {
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"message": "铁路项目管理系统 API",
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"version": "1.0.0",
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"docs": "/docs",
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"redoc": "/redoc"
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}
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# 健康检查
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@app.get("/health")
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async def health_check():
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"""健康检查"""
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return {
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"status": "healthy",
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"database": "connected",
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"scheduler": "running" if task_scheduler.scheduler.running else "stopped"
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}
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# 数据库监控端点
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@app.get("/api/monitor/database")
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async def get_database_monitor():
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"""获取数据库连接池监控信息"""
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from .core.db_monitor import get_monitoring_report
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return get_monitoring_report()
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# 连接池状态端点
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@app.get("/api/monitor/pool")
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async def get_pool_status():
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"""获取连接池状态"""
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from .core.db_monitor import get_pool_status
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return get_pool_status()
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# 全局异常处理
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@app.exception_handler(Exception)
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async def global_exception_handler(request, exc):
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"""全局异常处理"""
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import traceback
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from .core.db_monitor import get_pool_status
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# 获取异常详情
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error_msg = str(exc)
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error_type = type(exc).__name__
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stack_trace = traceback.format_exc()
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# 获取当前连接池状态
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try:
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pool_stats = get_pool_status()
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pool_info = f", 连接池使用率: {pool_stats.get('usage_percent', 'N/A')}%"
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except:
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pool_info = ""
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# 记录详细错误日志
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logger.error(
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f"🚨 全局异常: {error_type}: {error_msg} "
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f"请求路径: {request.url.path}, 方法: {request.method}{pool_info}\n"
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f"堆栈跟踪:\n{stack_trace}"
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)
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return HTTPException(
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status_code=500,
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detail=f"服务器内部错误: {error_type}"
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) |