python批量修改ssh密码的实现

'''
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'''
#!/usr/bin/env python
#-*-coding:utf-8-*-

import paramiko
import socket
import pandas as pd

def demo(Ip,user,old_password,new_password):
  # 建立一个sshclient对象
  ssh = paramiko.SSHClient()
  # 允许将信任的主机自动加入到host_allow 列表，此方法必须放在connect方法的前面
  ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
  # 调用connect方法连接服务器
  #如果远程执行命令错误信息是b'the input device is not a TTY\n' 去掉docker exec -it 中的t就好了
  try:
    ssh.connect(hostname=Ip, port=22, username=user, password=old_password,timeout=5)
    #ubuntu修改密码两种方法
    #方法一
    # command1 = "echo '%s:%s' | chpasswd"%(user,new_password)
    # stdin, stdout, stderr = ssh.exec_command(command1)
    # out, err = stdout.read(), stderr.read()
    # if err != '':
    #   print(err)
    #
    # else:
    #   print(out)
    # # 关闭连接
    # ssh.close()
    #方法二
    command = "passwd %s" %(user)
    stdin, stdout, stderr = ssh.exec_command(command)
    #\n模拟回车 输两次密码
    stdin.write(new_password + '\n' + new_password + '\n')
    out, err = stdout.read(), stderr.read()
    successful = 'password updated successfully'
    #print(out,err)
    if successful in str(err):
      print(Ip + " 密码修改成功！")
    else:
      print('\033[31m错误：\033[0m' + str(err))
      print(Ip + " 密码修改失败！")
    # 关闭连接
    ssh.close()
  except paramiko.ssh_exception.AuthenticationException as e:
    print(Ip + ' ' + '\033[31m账号密码错误!\033[0m')
    with open('nossh.txt','a') as f:
      f.write(Ip + '\n')
  except socket.timeout as e:
    print(Ip + ' ' + '\033[31m连接超时！\033[0m')
    with open('timeoutssh','a') as f:
      f.write(Ip + '\n')
def Red_Excel(IP):
  import sys
  import time
  file = r'E:\xxx.xlsx'
  pd.set_option('display.max_columns', None)
  pd.set_option('display.max_colwidth', 1000)
  n = pd.read_excel(file,sheet_name='xxx')  #表格中的sheet名
  #print(n.values)
  #显示含某字段的特定行
  n1 = (n.loc[n['IP']==IP])
  if not n1.empty:
    n2 = n1.values
    ip = n2[0][1]
    user = n2[0][4]
    password_old = n2[0][5]
    password_new = n2[0][22]
    houtai = n2[0][16]
    print('IP：%s 账号：%s 旧密码：%s 是否后台：%s 新密码：%s' % (ip, user, password_old, houtai,password_new))
    demo(ip,user,password_old,password_new)
  else:
    print('记录表无此IP！')

if __name__ == "__main__":
  with open('ip.txt') as f:
    for i in f:
      ip = i.split('\n')[0]
      Red_Excel(ip)