什么是Fabric?
Fabrci是一个python 工具，让你能够在python中 ssh 到目标主机然后执行命令
其实本质就是ssh ， 和ansible 差不多，创建一个和目标主机的session ,然后执行任务，我们可以和jenkins结合起来然后通过jenkins来调用python脚本然后登陆远程服务器执行命令，不要问我为啥不直接让jenkins调用ansible，我也不知道，我就是是个写代码的，我懂个屁….
脚本如下
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#!/usr/bin/python # vim: expandtab:tabstop=4:shiftwidth=4 ''' script ssh to host and run command ''' # Reason: disable invalid-name because pylint does not like our naming convention # pylint: disable=invalid-name import sys import argparse from fabric import Connection def connect_host(hostname, port, username, keyfile, commands): s = Connection( host=hostname, port=port, user=username, connect_kwargs={ 'key_filename': [keyfile] } ) s.run(commands) s.close() def main(): parser=argparse.ArgumentParser(description='''use fabric to connect host and run command ''') parser.add_argument('-i', '--hostname', required=True, help="IP or hostname you want to login") parser.add_argument('-p', '--port', default=22, help="hostPort you want to login") parser.add_argument('-u', '--username', required=True, help="username you want to login") parser.add_argument('-k', '--keyfile', required=True, help="ssh key you want to use to login") parser.add_argument('-c', '--commands', required=True, help="commands you want to run") args=parser.parse_args() print(args.keyfile) connect_host(args.hostname, args.port, args.username, args.keyfile, args.commands) if __name__ == "__main__": main() |
调用方式；
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python3 fabric_example.py -i "test.com" -p 22 -u root -k "/home/abc/.ssh/id_rsa" -c date |
显示的结果：
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Thu Mar 19 22:27:56 CST 2020 |
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