{"id":14286,"date":"2025-04-18T21:02:52","date_gmt":"2025-04-18T13:02:52","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/14286.html"},"modified":"2025-04-18T21:02:52","modified_gmt":"2025-04-18T13:02:52","slug":"python%e8%87%aa%e5%8a%a8%e5%8c%96%e8%bf%90%e7%bb%b4%ef%bc%9a%e4%b8%80%e9%94%ae%e6%8e%8c%e6%8e%a7%e6%9c%8d%e5%8a%a1%e5%99%a8%e7%9a%84%e9%ab%98%e6%95%88%e4%b9%8b%e9%81%93","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/14286.html","title":{"rendered":"Python\u81ea\u52a8\u5316\u8fd0\u7ef4\uff1a\u4e00\u952e\u638c\u63a7\u670d\u52a1\u5668\u7684\u9ad8\u6548\u4e4b\u9053"},"content":{"rendered":"

\u300aPython OpenCV\u4ece\u83dc\u9e1f\u5230\u9ad8\u624b\u300b\u5e26\u4f60\u8fdb\u5165\u56fe\u50cf\u5904\u7406\u4e0e\u8ba1\u7b97\u673a\u89c6\u89c9\u7684\u5927\u95e8\uff01<\/p>\n

\u89e3\u9501Python\u7f16\u7a0b\u7684\u65e0\u9650\u53ef\u80fd\uff1a\u300a\u5947\u5999\u7684Python\u300b\u5e26\u4f60\u6f2b\u6e38\u4ee3\u7801\u4e16\u754c<\/p>\n

\u5728\u4e92\u8054\u7f51\u548c\u4e91\u8ba1\u7b97\u9ad8\u901f\u53d1\u5c55\u7684\u4eca\u5929\uff0c\u670d\u52a1\u5668\u6570\u91cf\u7684\u6307\u6570\u589e\u957f\u4f7f\u5f97\u624b\u52a8\u8fd0\u7ef4\u548c\u7ba1\u7406\u53d8\u5f97\u5f02\u5e38\u7e41\u7410\u3002Python\u51ed\u501f\u5176\u5f3a\u5927\u7684\u53ef\u8bfb\u6027\u548c\u4e30\u5bcc\u7684\u751f\u6001\u7cfb\u7edf\uff0c\u6210\u4e3a\u5b9e\u73b0\u81ea\u52a8\u5316\u8fd0\u7ef4\u7684\u7406\u60f3\u8bed\u8a00\u3002\u672c\u6587\u4ee5\u201cPython\u81ea\u52a8\u5316\u8fd0\u7ef4\uff1a\u7f16\u5199\u81ea\u52a8\u5316\u811a\u672c\u8fdb\u884c\u670d\u52a1\u5668\u7ba1\u7406\u201d\u4e3a\u4e3b\u9898\uff0c\u6df1\u5165\u63a2\u8ba8\u4e86\u5982\u4f55\u5229\u7528Python\u5728\u6279\u91cf\u5904\u7406\u3001\u5b9a\u65f6\u4efb\u52a1\u548c\u65e5\u5fd7\u6e05\u7406\u7b49\u65b9\u9762\u89e3\u653e\u8fd0\u7ef4\u4eba\u5458\u7684\u53cc\u624b\u3002\u6587\u7ae0\u4eceSSH\u8fde\u63a5\u3001\u6279\u91cf\u90e8\u7f72\u811a\u672c\u5230\u65e5\u5fd7\u5f52\u6863\u3001\u81ea\u52a8\u5316\u62a5\u8b66\u7b49\u591a\u4e2a\u89d2\u5ea6\u8fdb\u884c\u4e86\u8be6\u7ec6\u9610\u8ff0\u4e0e\u4ee3\u7801\u793a\u4f8b\uff0c\u5e76\u5206\u4eab\u4e86\u5e38\u89c1\u7684\u6700\u4f73\u5b9e\u8df5\u548c\u6027\u80fd\u4f18\u5316\u601d\u8def\u3002\u901a\u8fc7\u9605\u8bfb\u672c\u6587\uff0c\u8bfb\u8005\u53ef\u4ee5\u5feb\u901f\u638c\u63e1Python\u81ea\u52a8\u5316\u8fd0\u7ef4\u7684\u6838\u5fc3\u6280\u80fd\uff0c\u8fdb\u4e00\u6b65\u63d0\u5347\u8fd0\u7ef4\u6548\u7387\u4e0e\u7cfb\u7edf\u7a33\u5b9a\u6027\u3002<\/p>\n

\n

\u5f15\u8a00<\/h3>\n

\u5728\u670d\u52a1\u5668\u6570\u91cf\u8f83\u5c11\u7684\u65f6\u5019\uff0c\u8fd0\u7ef4\u4eba\u5458\u5f80\u5f80\u53ef\u4ee5\u624b\u52a8\u767b\u5f55\u6bcf\u53f0\u670d\u52a1\u5668\uff0c\u6267\u884c\u66f4\u65b0\u3001\u91cd\u542f\u3001\u65e5\u5fd7\u67e5\u770b\u7b49\u64cd\u4f5c\u3002\u7136\u800c\uff0c\u968f\u7740\u4e1a\u52a1\u7684\u5feb\u901f\u6269\u5f20\u4ee5\u53ca\u4e91\u8ba1\u7b97\u3001\u5bb9\u5668\u5316\u6280\u672f\u7684\u666e\u53ca\uff0c\u670d\u52a1\u5668\u89c4\u6a21\u8fc5\u901f\u589e\u5927\uff0c\u624b\u52a8\u64cd\u4f5c\u5e26\u6765\u7684\u6548\u7387\u95ee\u9898\u3001\u51fa\u9519\u98ce\u9669\u3001\u53ef\u91cd\u590d\u6027\u4f4e\u7b49\u7f3a\u70b9\u53d8\u5f97\u975e\u5e38\u7a81\u51fa\u3002\u4e3a\u4e86\u6ee1\u8db3\u5927\u89c4\u6a21\u96c6\u7fa4\u7ba1\u7406\u7684\u9700\u6c42\uff0c\u81ea\u52a8\u5316\u8fd0\u7ef4\u6210\u4e3a\u8d8a\u6765\u8d8a\u591a\u4f01\u4e1a\u7684\u5fc5\u7136\u9009\u62e9\u3002<\/p>\n

Python\u5728\u81ea\u52a8\u5316\u8fd0\u7ef4\u9886\u57df\u4f18\u52bf\u660e\u663e\uff1a<\/p>\n

  • \u8bed\u6cd5\u7b80\u6d01\uff1a\u4f4e\u95e8\u69db\u3001\u6613\u4e0a\u624b\uff0c\u6709\u5229\u4e8e\u5feb\u901f\u7f16\u5199\u811a\u672c\u3002<\/li>\n
  • \u751f\u6001\u5b8c\u5584\uff1a\u62e5\u6709\u4e30\u5bcc\u7684\u7b2c\u4e09\u65b9\u5e93\uff0c\u5982Paramiko\u3001Fabric\u3001psutil\u7b49\uff0c\u4e3a\u8fdc\u7a0b\u8fde\u63a5\u3001\u8d44\u6e90\u76d1\u63a7\u3001\u6279\u91cf\u64cd\u4f5c\u63d0\u4f9b\u4fbf\u5229\u3002<\/li>\n
  • \u53ef\u6269\u5c55\u6027\u5f3a\uff1a\u53ef\u4ee5\u4e0e\u5176\u4ed6\u7f16\u7a0b\u8bed\u8a00\u6216\u7cfb\u7edf\u5de5\u5177\u7ed3\u5408\uff0c\u6784\u5efa\u7075\u6d3b\u7684\u8fd0\u7ef4\u5e73\u53f0\u3002<\/li>\n

    \u5728\u672c\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u4eec\u5c06\u56f4\u7ed5\u201cPython\u81ea\u52a8\u5316\u8fd0\u7ef4\uff1a\u7f16\u5199\u81ea\u52a8\u5316\u811a\u672c\u8fdb\u884c\u670d\u52a1\u5668\u7ba1\u7406\u201d\u8fd9\u4e00\u4e3b\u9898\uff0c\u7cfb\u7edf\u4ecb\u7ecd\u5982\u4f55\u501f\u52a9Python\u8fdb\u884c\u6279\u91cf\u64cd\u4f5c\u3001\u5b9a\u65f6\u4efb\u52a1\u548c\u65e5\u5fd7\u6e05\u7406\u7b49\u81ea\u52a8\u5316\u8fd0\u7ef4\u4efb\u52a1\u3002\u6587\u7ae0\u4e0d\u4ec5\u4f1a\u7ed9\u51fa\u5927\u91cf\u7684\u793a\u4f8b\u4ee3\u7801\uff0c\u8fd8\u4f1a\u5bf9\u6bcf\u6bb5\u4ee3\u7801\u8fdb\u884c\u8be6\u5c3d\u7684\u4e2d\u6587\u6ce8\u91ca\u548c\u89e3\u91ca\uff0c\u4ee5\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u638c\u63e1Python\u81ea\u52a8\u5316\u8fd0\u7ef4\u7684\u76f8\u5173\u6280\u672f\uff0c\u5e76\u5728\u5b9e\u9645\u751f\u4ea7\u73af\u5883\u4e2d\u5f97\u4ee5\u843d\u5730\u5b9e\u65bd\u3002<\/p>\n

    \u63d0\u793a\uff1a\u5982\u679c\u60a8\u5bf9\u5e76\u53d1\u7f16\u7a0b\u3001\u7f51\u7edc\u534f\u8bae\u6216\u7cfb\u7edf\u7ba1\u7406\u6709\u4e00\u5b9a\u7684\u4e86\u89e3\uff0c\u5c06\u66f4\u6709\u52a9\u4e8e\u7406\u89e3\u672c\u7bc7\u5185\u5bb9\uff1b\u4f46\u5373\u4f7f\u662f\u521d\u5b66\u8005\uff0c\u4e5f\u80fd\u901a\u8fc7\u793a\u4f8b\u4ee3\u7801\u548c\u8be6\u7ec6\u89e3\u8bf4\uff0c\u9010\u6b65\u638c\u63e1\u81ea\u52a8\u5316\u8fd0\u7ef4\u811a\u672c\u7684\u7f16\u5199\u65b9\u6cd5\u3002<\/p>\n

    \n

    \u4e00\u3001Python\u5728\u8fd0\u7ef4\u81ea\u52a8\u5316\u4e2d\u7684\u89d2\u8272<\/h3>\n

    \u5728\u4f01\u4e1a\u65e5\u5e38\u8fd0\u7ef4\u5de5\u4f5c\u4e2d\uff0c\u5e38\u89c1\u7684\u81ea\u52a8\u5316\u9700\u6c42\u5305\u62ec\uff1a<\/p>\n

  • \u6279\u91cf\u64cd\u4f5c\uff1a\u4f8b\u5982\u540c\u65f6\u5bf9\u591a\u53f0\u670d\u52a1\u5668\u5b89\u88c5\u8f6f\u4ef6\u3001\u66f4\u65b0\u914d\u7f6e\u6587\u4ef6\u6216\u6267\u884c\u91cd\u542f\u64cd\u4f5c\u3002<\/li>\n
  • \u5b9a\u65f6\u4efb\u52a1\uff1a\u4f7f\u7528\u811a\u672c\u66ff\u4ee3\u624b\u52a8\u6392\u67e5\u548c\u5904\u7406\uff0c\u5982\u5b9a\u671f\u6e05\u7406\u65e5\u5fd7\u3001\u5907\u4efd\u6570\u636e\u7b49\u3002<\/li>\n
  • \u76d1\u63a7\u548c\u62a5\u8b66\uff1a\u83b7\u53d6CPU\u3001\u5185\u5b58\u7b49\u8d44\u6e90\u4f7f\u7528\u60c5\u51b5\uff0c\u6216\u8005\u6536\u96c6\u5f02\u5e38\u65e5\u5fd7\u540e\u53d1\u9001\u62a5\u8b66\u901a\u77e5\u3002<\/li>\n
  • \u65e5\u5fd7\u7ba1\u7406\uff1a\u5b9a\u671f\u6e05\u7406\u8fc7\u671f\u65e5\u5fd7\u5e76\u5c06\u91cd\u8981\u65e5\u5fd7\u8fdb\u884c\u5f52\u6863\u6216\u5907\u4efd\u3002<\/li>\n
  • \u81ea\u52a8\u5316\u90e8\u7f72\uff1a\u5728\u6301\u7eed\u96c6\u6210\u548c\u6301\u7eed\u4ea4\u4ed8\uff08CI\/CD\uff09\u6d41\u7a0b\u4e2d\uff0c\u5b9e\u73b0\u4e00\u952e\u90e8\u7f72\u548c\u56de\u6eda\u3002<\/li>\n

    Python\u53ef\u4ee5\u901a\u8fc7\u7b2c\u4e09\u65b9\u5e93\u6216\u539f\u751f\u529f\u80fd\uff0c\u8f7b\u677e\u5b8c\u6210\u4ee5\u4e0a\u4efb\u52a1\uff0c\u5e76\u4e14\u53ef\u6269\u5c55\u4e3a\u4e00\u6574\u5957\u81ea\u52a8\u5316\u8fd0\u7ef4\u5e73\u53f0\u3002\u4f8b\u5982\uff0c\u901a\u8fc7Paramiko\u6216Fabric\u5e93\u5b9e\u73b0SSH\u8fdc\u7a0b\u64cd\u4f5c\uff0c\u901a\u8fc7crontab\u6216schedule\u5e93\u5b9e\u73b0\u5b9a\u65f6\u4efb\u52a1\uff0c\u901a\u8fc7logging\u6a21\u5757\u5b9e\u73b0\u65e5\u5fd7\u7684\u7ba1\u7406\u4e0e\u5f52\u6863\uff0c\u914d\u5408psutil\u5e93\u76d1\u63a7\u7cfb\u7edf\u8d44\u6e90\u7b49\u3002<\/p>\n

    \n

    \u4e8c\u3001\u6279\u91cf\u5904\u7406\uff1a\u63d0\u5347\u5927\u89c4\u6a21\u670d\u52a1\u5668\u7ba1\u7406\u6548\u7387<\/h3>\n

    2.1 Paramiko\u4e0eFabric\uff1aSSH\u81ea\u52a8\u5316\u5229\u5668<\/h4>\n

    2.1.1 Paramiko\u7b80\u4ecb<\/h5>\n

    Paramiko\u662f\u4e00\u4e2a\u7eafPython\u5b9e\u73b0\u7684SSHv2\u534f\u8bae\u5e93\uff0c\u652f\u6301\u52a0\u5bc6\u4e0e\u9a8c\u8bc1\uff0c\u53ef\u4ee5\u7528\u6765\u8fdc\u7a0b\u6267\u884c\u547d\u4ee4\u3001\u6587\u4ef6\u4e0a\u4f20\u4e0b\u8f7d\u7b49\u3002\u4f7f\u7528Paramiko\u65f6\uff0c\u5178\u578b\u7684\u6d41\u7a0b\u5982\u4e0b\uff1a<\/p>\n

      \n
    • \u521b\u5efaSSHClient\u5bf9\u8c61<\/li>\n
    • \u8bbe\u7f6e\u81ea\u5b9a\u4e49\u7684\u670d\u52a1\u5668\u4e3b\u673a\u5bc6\u94a5\u7b56\u7565<\/li>\n
    • \u8c03\u7528connect\u65b9\u6cd5\u8fde\u63a5\u5230\u76ee\u6807\u670d\u52a1\u5668<\/li>\n
    • \u4f7f\u7528exec_command\u6267\u884c\u8fdc\u7a0b\u547d\u4ee4<\/li>\n
    • \u901a\u8fc7\u6807\u51c6\u8f93\u5165\/\u8f93\u51fa\u901a\u9053\u83b7\u53d6\u6267\u884c\u7ed3\u679c<\/li>\n
    • \u5173\u95ed\u8fde\u63a5<\/li>\n<\/ul>\n

      \u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528Paramiko\u8fde\u63a5\u5230\u8fdc\u7a0b\u670d\u52a1\u5668\u5e76\u6267\u884c\u547d\u4ee4\u7684\u793a\u4f8b\u811a\u672c\uff1a<\/p>\n

      #!\/usr\/bin\/env python3<\/span>
      \n# -*- coding: utf-8 -*-<\/span><\/p>\n

      import<\/span> paramiko<\/p>\n

      def<\/span> execute_remote_command<\/span>(<\/span>host,<\/span> port,<\/span> username,<\/span> password,<\/span> command)<\/span>:<\/span>
      \n \\”\\”\\”
      \n \u5728\u8fdc\u7a0b\u670d\u52a1\u5668\u4e0a\u6267\u884c\u547d\u4ee4\u5e76\u8fd4\u56de\u8f93\u51fa\u7ed3\u679c
      \n :param host: \u670d\u52a1\u5668IP\u6216\u57df\u540d
      \n :param port: SSH\u7aef\u53e3\uff0c\u4e00\u822c\u4e3a22
      \n :param username: \u767b\u5f55\u7528\u6237\u540d
      \n :param password: \u767b\u5f55\u5bc6\u7801
      \n :param command: \u8981\u6267\u884c\u7684\u547d\u4ee4
      \n :return: \u6267\u884c\u7ed3\u679c\u5b57\u7b26\u4e32
      \n \\”\\”\\”<\/span>
      \n # \u521b\u5efaSSHClient\u5bf9\u8c61<\/span>
      \n ssh_client =<\/span> paramiko.<\/span>SSHClient(<\/span>)<\/span>
      \n # \u81ea\u52a8\u6dfb\u52a0\u76ee\u6807\u670d\u52a1\u5668\u7684\u4e3b\u673a\u5bc6\u94a5\uff08\u4e0d\u5b89\u5168\uff0c\u4ec5\u4f9b\u6d4b\u8bd5\u4f7f\u7528\uff09<\/span>
      \n ssh_client.<\/span>set_missing_host_key_policy(<\/span>paramiko.<\/span>AutoAddPolicy(<\/span>)<\/span>)<\/span>
      \n # \u8fde\u63a5\u670d\u52a1\u5668<\/span>
      \n ssh_client.<\/span>connect(<\/span>hostname=<\/span>host,<\/span> port=<\/span>port,<\/span> username=<\/span>username,<\/span> password=<\/span>password)<\/span><\/p>\n

      # \u6267\u884c\u547d\u4ee4<\/span>
      \n stdin,<\/span> stdout,<\/span> stderr =<\/span> ssh_client.<\/span>exec_command(<\/span>command)<\/span>
      \n # \u83b7\u53d6\u6267\u884c\u7ed3\u679c<\/span>
      \n result_out =<\/span> stdout.<\/span>read(<\/span>)<\/span>.<\/span>decode(<\/span>\\’utf-8\\’<\/span>)<\/span>
      \n result_err =<\/span> stderr.<\/span>read(<\/span>)<\/span>.<\/span>decode(<\/span>\\’utf-8\\’<\/span>)<\/span><\/p>\n

      # \u5173\u95ed\u8fde\u63a5<\/span>
      \n ssh_client.<\/span>close(<\/span>)<\/span><\/p>\n

      if<\/span> result_err:<\/span>
      \n return<\/span> f\\”Error: <\/span>{
      \n <\/span>result_err}<\/span><\/span>\\”<\/span><\/span>
      \n else<\/span>:<\/span>
      \n return<\/span> result_out<\/p>\n

      if<\/span> __name__ ==<\/span> \\”__main__\\”<\/span>:<\/span>
      \n # \u6d4b\u8bd5\u8fde\u63a5<\/span>
      \n host =<\/span> \\”192.168.0.100\\”<\/span>
      \n port =<\/span> 22<\/span>
      \n username =<\/span> \\”root\\”<\/span>
      \n password =<\/span> \\”123456\\”<\/span>
      \n command =<\/span> \\”uname -a\\”<\/span> # \u67e5\u770b\u64cd\u4f5c\u7cfb\u7edf\u4fe1\u606f<\/span><\/p>\n

      output =<\/span> execute_remote_command(<\/span>host,<\/span> port,<\/span> username,<\/span> password,<\/span> command)<\/span>
      \n print<\/span>(<\/span>\\”\u8fdc\u7a0b\u6267\u884c\u7ed3\u679c:\\\\n\\”<\/span>,<\/span> output)<\/span><\/p>\n

      \u4ee3\u7801\u89e3\u91ca<\/h6>\n
    • Paramiko\u5e93\u7684\u4f7f\u7528\uff1a\u5148\u521b\u5efaSSHClient\u5bf9\u8c61\uff0c\u7136\u540e\u4f7f\u7528set_missing_host_key_policy\u8bbe\u7f6e\u4e3a\u81ea\u52a8\u6dfb\u52a0\u670d\u52a1\u5668\u6307\u7eb9\u3002<\/li>\n
    • \u8fde\u63a5\u670d\u52a1\u5668\uff1a\u901a\u8fc7connect\u65b9\u6cd5\u4f20\u5165\u670d\u52a1\u5668IP\u3001\u7aef\u53e3\u3001\u7528\u6237\u540d\u548c\u5bc6\u7801\u3002<\/li>\n
    • \u547d\u4ee4\u6267\u884c\uff1a\u4f7f\u7528exec_command\uff0c\u53ef\u83b7\u53d6\u6807\u51c6\u8f93\u5165\u3001\u6807\u51c6\u8f93\u51fa\u548c\u6807\u51c6\u9519\u8bef\u3002<\/li>\n
    • \u7ed3\u679c\u5904\u7406\uff1a\u5c06\u8f93\u51fa\u548c\u9519\u8bef\u6d88\u606f\u5206\u522b\u8bfb\u53d6\u5e76\u8f6c\u6362\u4e3aUTF-8\u5b57\u7b26\u4e32\u3002<\/li>\n
    • \u8fde\u63a5\u5173\u95ed\uff1a\u64cd\u4f5c\u5b8c\u6210\u540e\u8c03\u7528close\uff0c\u91ca\u653e\u8fde\u63a5\u8d44\u6e90\u3002<\/li>\n
      2.1.2 Fabric\u7b80\u4ecb<\/h5>\n

      Fabric\u57fa\u4e8eParamiko\u5f00\u53d1\uff0c\u7b80\u5316\u4e86\u591a\u670d\u52a1\u5668\u6279\u91cf\u64cd\u4f5c\u7684\u6d41\u7a0b\uff0c\u5c24\u5176\u9002\u7528\u4e8e\u81ea\u52a8\u5316\u90e8\u7f72\u548c\u6279\u91cf\u547d\u4ee4\u6267\u884c\u3002\u5b83\u63d0\u4f9b\u4e86\u66f4\u9ad8\u5c42\u6b21\u7684API\uff0c\u4f8b\u5982fab\u547d\u4ee4\u884c\u5de5\u5177\uff0c\u53ef\u4ee5\u5728fabfile.py\u4e2d\u5b9a\u4e49\u4e00\u7cfb\u5217\u4efb\u52a1\uff0c\u7136\u540e\u5728\u547d\u4ee4\u884c\u4e2d\u901a\u8fc7fab \u4efb\u52a1\u540d\u6267\u884c\u3002\u4e0b\u9762\u5c55\u793a\u4e00\u4e2a\u7b80\u5355\u7684Fabric\u793a\u4f8b\uff0c\u7528\u4e8e\u6279\u91cf\u83b7\u53d6\u670d\u52a1\u5668\u7684\u64cd\u4f5c\u7cfb\u7edf\u4fe1\u606f\u3002<\/p>\n

      \u5148\u5b89\u88c5Fabric\uff1a<\/p>\n

      pip install<\/span> fabric<\/span>==<\/span>2.6<\/span>.0<\/p>\n

      \u6ce8\u610f\uff1aFabric 2.x\u548c1.x\u7248\u672cAPI\u5dee\u5f02\u8f83\u5927\uff0c\u793a\u4f8b\u57fa\u4e8e2.x\u7248\u672c\u3002<\/p>\n

      \u5728\u9879\u76ee\u76ee\u5f55\u4e0b\u521b\u5efafabfile.py\uff0c\u793a\u4f8b\u5982\u4e0b\uff1a<\/p>\n

      #!\/usr\/bin\/env python3<\/span>
      \n# -*- coding: utf-8 -*-<\/span><\/p>\n

      from<\/span> fabric import<\/span> Connection<\/p>\n

      # \u5b9a\u4e49\u670d\u52a1\u5668\u5217\u8868<\/span>
      \nservers =<\/span> [<\/span>
      \n {
      \n <\/span>\\”host\\”<\/span>:<\/span> \\”192.168.0.101\\”<\/span>,<\/span> \\”user\\”<\/span>:<\/span> \\”root\\”<\/span>,<\/span> \\”connect_kwargs\\”<\/span>:<\/span> {
      \n <\/span>\\”password\\”<\/span>:<\/span> \\”123456\\”<\/span>}<\/span>}<\/span>,<\/span>
      \n {
      \n <\/span>\\”host\\”<\/span>:<\/span> \\”192.168.0.102\\”<\/span>,<\/span> \\”user\\”<\/span>:<\/span> \\”root\\”<\/span>,<\/span> \\”connect_kwargs\\”<\/span>:<\/span> {
      \n <\/span>\\”password\\”<\/span>:<\/span> \\”123456\\”<\/span>}<\/span>}<\/span>,<\/span>
      \n]<\/span><\/p>\n

      def<\/span> get_os_info<\/span>(<\/span>)<\/span>:<\/span>
      \n \\”\\”\\”
      \n \u83b7\u53d6\u670d\u52a1\u5668\u64cd\u4f5c\u7cfb\u7edf\u4fe1\u606f
      \n \\”\\”\\”<\/span>
      \n for<\/span> srv in<\/span> servers:<\/span>
      \n # \u521b\u5efa\u8fde\u63a5<\/span>
      \n conn =<\/span> Connection(<\/span>**<\/span>srv)<\/span>
      \n print<\/span>(<\/span>f\\”\u8fde\u63a5\u5230\u670d\u52a1\u5668: <\/span>{
      \n <\/span>srv[<\/span>\\’host\\’<\/span>]<\/span>}<\/span><\/span>\\”<\/span><\/span>)<\/span>
      \n result =<\/span> conn.<\/span>run(<\/span>\\”uname -a\\”<\/span>,<\/span> hide=<\/span>True<\/span>)<\/span>
      \n print<\/span>(<\/span>f\\”\u64cd\u4f5c\u7cfb\u7edf\u4fe1\u606f: <\/span>{
      \n <\/span>result.<\/span>stdout.<\/span>strip(<\/span>)<\/span>}<\/span><\/span>\\”<\/span><\/span>)<\/span>
      \n conn.<\/span>close(<\/span>)<\/span><\/p>\n

      \u7136\u540e\u5728\u547d\u4ee4\u884c\u4e2d\u6267\u884c\uff1a<\/p>\n

      fab get_os_info<\/p>\n

      \u4ee3\u7801\u89e3\u91ca<\/h6>\n
    • \u670d\u52a1\u5668\u5217\u8868\uff1a\u5b9a\u4e49\u4e00\u4e2aPython\u5217\u8868\uff0c\u5b58\u50a8\u591a\u53f0\u670d\u52a1\u5668\u7684\u8fde\u63a5\u4fe1\u606f\uff0c\u5305\u62ec\u4e3b\u673a\u540d\u3001\u7528\u6237\u53ca\u5bc6\u7801\u3002<\/li>\n
    • Connection\u5bf9\u8c61\uff1aFabric\u63d0\u4f9b\u4e86Connection\u5bf9\u8c61\uff0c\u7528\u4e8e\u5efa\u7acbSSH\u4f1a\u8bdd\u3002<\/li>\n
    • \u6279\u91cf\u6267\u884c\uff1a\u5faa\u73af\u670d\u52a1\u5668\u5217\u8868\uff0c\u6bcf\u6b21\u521b\u5efaConnection\uff0c\u6267\u884c\u547d\u4ee4\u5e76\u6253\u5370\u7ed3\u679c\u3002<\/li>\n
    • \u5173\u95ed\u8fde\u63a5\uff1a\u5b8c\u6210\u64cd\u4f5c\u540e\u8c03\u7528close\uff0c\u907f\u514d\u8d44\u6e90\u6cc4\u6f0f\u3002<\/li>\n

      \u65e0\u8bba\u662fParamiko\u8fd8\u662fFabric\uff0c\u90fd\u80fd\u6781\u5927\u5730\u65b9\u4fbf\u6279\u91cf\u5904\u7406\u4efb\u52a1\u3002\u540e\u6587\u4e2d\uff0c\u6211\u4eec\u8fd8\u4f1a\u8fdb\u4e00\u6b65\u7ed3\u5408\u5b9a\u65f6\u4efb\u52a1\u4e0e\u65e5\u5fd7\u7ba1\u7406\u8fdb\u884c\u7efc\u5408\u793a\u4f8b\u3002<\/p>\n

      \n

      2.2 \u5e76\u53d1\u6279\u91cf\u5904\u7406<\/h4>\n

      \u5728\u5927\u89c4\u6a21\u96c6\u7fa4\u73af\u5883\u4e0b\uff0c\u4f9d\u6b21\u8fde\u63a5\u6bcf\u53f0\u670d\u52a1\u5668\u7684\u65b9\u5f0f\u6548\u7387\u4e0d\u9ad8\u3002\u4e3a\u63d0\u9ad8\u6279\u91cf\u5904\u7406\u901f\u5ea6\uff0c\u53ef\u4ee5\u4f7f\u7528\u5e76\u53d1\u6216\u591a\u7ebf\u7a0b\u65b9\u5f0f\uff0c\u540c\u65f6\u8fde\u63a5\u591a\u53f0\u670d\u52a1\u5668\u5e76\u6267\u884c\u64cd\u4f5c\u3002<\/p>\n

      \u4ee5\u4e0b\u793a\u4f8b\u57fa\u4e8eparamiko\u548cPython\u7684ThreadPoolExecutor\u5b9e\u73b0\u591a\u7ebf\u7a0b\u5e76\u53d1\u6279\u91cf\u7ba1\u7406\uff1a<\/p>\n

      #!\/usr\/bin\/env python3<\/span>
      \n# -*- coding: utf-8 -*-<\/span><\/p>\n

      import<\/span> paramiko
      \nimport<\/span> concurrent.<\/span>futures<\/p>\n

      def<\/span> execute_command<\/span>(<\/span>host,<\/span> username,<\/span> password,<\/span> command)<\/span>:<\/span>
      \n \\”\\”\\”
      \n \u5728\u5355\u53f0\u670d\u52a1\u5668\u4e0a\u6267\u884c\u547d\u4ee4
      \n \\”\\”\\”<\/span>
      \n ssh_client =<\/span> paramiko.<\/span>SSHClient(<\/span>)<\/span>
      \n ssh_client.<\/span>set_missing_host_key_policy(<\/span>paramiko.<\/span>AutoAddPolicy(<\/span>)<\/span>)<\/span>
      \n ssh_client.<\/span>connect(<\/span>hostname=<\/span>host,<\/span> port=<\/span>22<\/span>,<\/span> username=<\/span>username,<\/span> password=<\/span>password)<\/span>
      \n stdin,<\/span> stdout,<\/span> stderr =<\/span> ssh_client.<\/span>exec_command(<\/span>command)<\/span>
      \n result_out =<\/span> stdout.<\/span>read(<\/span>)<\/span>.<\/span>decode(<\/span>\\’utf-8\\’<\/span>)<\/span>
      \n result_err =<\/span> stderr.<\/span>read(<\/span>)<\/span>.<\/span>decode(<\/span>\\’utf-8\\’<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

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