Python远程linux执行命令实现

#远程登陆操作系统
def ssh(sys_ip,username,password,cmds):
  try
    #创建ssh客户端
    client = paramiko.SSHClient()
    #第一次ssh远程时会提示输入yes或者no
    client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
    #密码方式远程连接
    client.connect(sys_ip, 22, username=username, password=password, timeout=20)
    #互信方式远程连接
    #key_file = paramiko.RSAKey.from_private_key_file("/root/.ssh/id_rsa")
    #ssh.connect(sys_ip, 22, username=username, pkey=key_file, timeout=20)
    #执行命令
    stdin, stdout, stderr = ssh.exec_command(cmds[key])
    #获取命令执行结果,返回的数据是一个list
    result = stdout.readlines()
    return result
  except Exception, e:
    print e
  finally:
    client.close()
 
if __name__=="__main__":
  sys_ip = "192.168.0.102"
  username = "root"
  password = "1"
  cmds = "pwd"
  print ssh(sys_ip,username,password,cmds)

#!/usr/bin/expect
set timeout 2
set local_file [lindex $argv 0]
set username  [lindex $argv 1]
set password  [lindex $argv 2]
set hostname  [lindex $argv 3]
set remote_file [lindex $argv 4]
 
spawn scp $local_file $username@$hostname:$remote_file
expect {
"yes/no"#是为了捕获首次登录，要手动输入yes/no的情况
{send "yes\r";}
"password:"#为例捕获需要输入密码的行为
{send "$password\r";}
}
expect eof

import os
cpFileCmd = "./remotecp.sh 1.txt root 1 192.168.0.102 /opt/1.txt"
os.system(cpFileCmd)