136 lines
3.7 KiB
Python
136 lines
3.7 KiB
Python
# -*- coding: utf-8 -*-
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"""
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Gunicorn 配置文件 - app.py 生产环境配置（支持 Flask-SocketIO）
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使用方式:
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# 推荐方式: 使用 geventwebsocket 支持 WebSocket + 高并发
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gunicorn -c gunicorn_app_config.py app:app
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# 或者使用 eventlet（如果 gevent 有问题）
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pip install eventlet
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gunicorn -c gunicorn_app_config.py -k eventlet app:app
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"""
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import os
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# ==================== 基础配置 ====================
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# 绑定地址和端口
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bind = '0.0.0.0:5001'
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# Worker 进程数（Flask-SocketIO 使用异步 worker，不需要太多）
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workers = 1 # geventwebsocket 要求单 worker
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# Worker 类型 - 使用 geventwebsocket 支持 WebSocket
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worker_class = 'geventwebsocket.gunicorn.workers.GeventWebSocketWorker'
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# Worker 连接数（gevent 异步模式下可以处理大量并发连接）
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worker_connections = 1000
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# 每个 worker 处理的最大请求数，超过后重启（防止内存泄漏）
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max_requests = 10000
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max_requests_jitter = 1000
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# ==================== 超时配置 ====================
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# Worker 超时时间（秒），WebSocket 需要长连接，设大一些
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timeout = 300
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# 优雅关闭超时时间（秒）
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graceful_timeout = 30
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# 保持连接超时时间（秒）
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keepalive = 65
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# ==================== SSL 配置 ====================
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cert_file = '/etc/letsencrypt/live/valuefrontier.cn/fullchain.pem'
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key_file = '/etc/letsencrypt/live/valuefrontier.cn/privkey.pem'
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if os.path.exists(cert_file) and os.path.exists(key_file):
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certfile = cert_file
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keyfile = key_file
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# ==================== 日志配置 ====================
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accesslog = '-'
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errorlog = '-'
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loglevel = 'info'
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access_log_format = '%(h)s %(l)s %(u)s %(t)s "%(r)s" %(s)s %(b)s "%(f)s" "%(a)s" %(D)sμs'
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# ==================== 进程管理 ====================
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daemon = False
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pidfile = '/tmp/gunicorn_app.pid'
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proc_name = 'vf_react_app'
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# 不预加载应用，确保 gevent monkey patch 正确
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preload_app = False
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# ==================== Hook 函数 ====================
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def on_starting(server):
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"""服务器启动时调用"""
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print("=" * 60)
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print("🚀 Gunicorn + Flask-SocketIO 服务器正在启动...")
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print(f" Workers: {server.app.cfg.workers}")
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print(f" Worker Class: {server.app.cfg.worker_class}")
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print(f" Bind: {server.app.cfg.bind}")
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print(f" Worker Connections: {server.app.cfg.worker_connections}")
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print("=" * 60)
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def when_ready(server):
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"""服务准备就绪时调用"""
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print("✅ Gunicorn 服务准备就绪! WebSocket 支持已启用")
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def post_worker_init(worker):
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"""Worker 初始化完成后调用"""
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# gevent monkey patching 在这里自动完成
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print(f"✅ Worker {worker.pid} 已初始化 (gevent 异步模式)")
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def worker_abort(worker):
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"""Worker 收到 SIGABRT 信号时调用（超时）"""
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print(f"⚠️ Worker {worker.pid} 超时被终止，正在重启...")
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def on_exit(server):
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"""服务器退出时调用"""
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print("🛑 Gunicorn 服务器已关闭")
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# ==================== systemd 服务配置示例 ====================
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"""
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保存为 /etc/systemd/system/vf_react.service:
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[Unit]
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Description=VF React Flask Application with SocketIO
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After=network.target redis.service mysql.service
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[Service]
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User=root
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Group=root
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WorkingDirectory=/path/to/vf_react
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Environment="PATH=/path/to/venv/bin"
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ExecStart=/path/to/venv/bin/gunicorn -c gunicorn_app_config.py app:app
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ExecReload=/bin/kill -s HUP $MAINPID
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Restart=always
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RestartSec=5
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TimeoutStopSec=30
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[Install]
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WantedBy=multi-user.target
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启用服务:
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sudo systemctl daemon-reload
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sudo systemctl enable vf_react
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sudo systemctl start vf_react
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sudo systemctl status vf_react
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查看日志:
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sudo journalctl -u vf_react -f
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"""
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