- WebSocket 连接 B 端(注册/心跳/指数退避重连) - 命令分发(10 种远程运维命令) - 看门狗守护、日志实时流、在线升级含自动回滚 - 修复 main.py 日志格式 style 与占位符不匹配的问题 - 补充 README、配置示例、依赖清单 Co-Authored-By: Claude <noreply@anthropic.com>
96 lines
2.7 KiB
Python
96 lines
2.7 KiB
Python
# -*- coding: utf-8 -*-
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"""Agent 启动入口。
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启动方式:
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python -m agent.main (源码运行)
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hospital-agent.exe (PyInstaller 打包后)
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职责:
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1. WebSocket 主动连接 B 端管理服务器(注册/心跳/命令)
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2. 守护主程序(健康探测 + 宕机拉起)
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3. 写 PID 文件(pid/hospital-agent.pid)
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由 WinSW/NSSM Windows 服务守护本进程。
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"""
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import logging
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import os
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import signal
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import sys
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import threading
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from agent.config import AgentConfig
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from agent.main_app_client import MainAppClient
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log = logging.getLogger(__name__)
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# 组装阶段先声明,供信号处理器引用
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_dispatcher = None
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_guard = None
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_client = None
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def run():
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"""主流程:加载配置 → 写 PID → 组装组件 → 启动 → 主线程保活。"""
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global _dispatcher, _guard, _client
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logging.basicConfig(
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level=logging.INFO,
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format="{asctime} {levelname} [{name}] {message}",
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style="{",
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)
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# 源码运行时根目录即工作目录,PyInstaller 打包后同理(服务管理器负责设置工作目录)
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config = AgentConfig.load()
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log.info("Agent 启动:deviceId=%s, server=%s", config.device_id, config.server_url)
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# 写 PID 文件
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_write_pid_file()
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# 组装组件(延迟导入避免环)
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from agent.dispatcher import CommandDispatcher
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from agent.process_guard import ProcessGuard
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from agent.ws_client import AgentClient
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main_app_client = MainAppClient(config)
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dispatcher = CommandDispatcher(config, main_app_client)
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client = AgentClient(config, dispatcher)
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dispatcher.set_client(client)
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guard = ProcessGuard(config, main_app_client, client)
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_dispatcher, _guard, _client = dispatcher, guard, client
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# 优雅停机信号处理
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signal.signal(signal.SIGINT, _shutdown)
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signal.signal(signal.SIGTERM, _shutdown)
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client.start()
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guard.start()
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# 主线程保活
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threading.Event().wait()
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def _shutdown(signum, frame):
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"""优雅停机:释放日志流 → 停守护 → 断连接 → 退出。"""
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log.info("Agent 停机中...(signal=%s)", signum)
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if _dispatcher is not None:
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_dispatcher.shutdown_log_stream()
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if _guard is not None:
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_guard.stop()
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if _client is not None:
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_client.stop()
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sys.exit(0)
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def _write_pid_file():
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"""写 PID 文件(pid/hospital-agent.pid)。"""
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try:
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os.makedirs("pid", exist_ok=True)
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with open(os.path.join("pid", "hospital-agent.pid"), "w", encoding="utf-8") as f:
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f.write(str(os.getpid()))
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except Exception as e:
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log.warning("PID 文件写入失败:%s", e)
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if __name__ == "__main__":
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run()
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