批量连接机器执行命令

#！/usr/bin/env python3.9
# --*-- coding:utf-8 --*--

import paramiko

def ssh_client_con(command):
    try:
        ssh_client = paramiko.SSHClient()
        ssh_client.set_missing_host_key_policy(paramiko.AutoAddPolicy)
        ssh_client.connect(
            host=host,
            port=port,
            user=user,
            password=password
        )
        stdin,stdout,stderr = ssh_client.exec_command(comnad)
        stdout_info = stdout.read().decode('utf-8')
        print(stdout_info)
        stderr_info = stderr.read().decode('utf-8')
        print(stderr_info)
    except Exception as e:
        print(e)
try:
    with open('/tmp/host.txt','r',encode='utf-8') as host_file:
        for host_info in host_file:
            line = host_info.strip('\n')
            host,port,user,password = line.split(',')
            ssh_client_con(command)
except FileNotFoundError as e:
    print(e)

if __name__ == '__main__':
    ssh_client_con("ls -l")