Detailed explanation of python batch execution of ssh commands through the paramiko module

#!/usr/bin/env python # -*- coding:utf-8 -*- __author__ = 'babyshen' __version__ = '1.0.0' import paramiko class SSh(object): def __init__(self,port,username,password): self.port = port self.username = username self.password = password def ssh_con(self,host,ip,cmd): ssh = paramiko.SSHClient() ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy()) ssh.connect(ip,self.port,self.username,self.password) stdin, stdout, stderr = ssh.exec_command(cmd) res,err = stdout.read(),stderr.read() result = res if res else err print('\033[31;1m%s %s\033[0m' %(host,ip)) print('\033[32;1m%s\033[0m' %result.decode()) ssh.close() if __name__ == '__main__': client = {'host1':'1.1.1.1', 'host2':'2.2.2.2', 'host3':'3.3.3.3', 'host4':'4.4.4.4', } # 主机列表 ，hostname:ip port = 22 # 端口号 username = 'root' # 用户名 password = '123456789' # 密码 cmd = "ip route show match 1.1.1.1 | head -1" ssh = SSh(port,username,password) for i in client: host,ip = i,client[i] try: ssh.ssh_con(host,ip,cmd) except WindowsError: print('\033[31;1m%s %s %s \033[0m\n' %(host,ip,'连接尝试失败')) except Exception as e: print(e)