利用python 更新ssh 远程代码 操作远程服务器的实现代码

import paramiko
import sys

def sshclient_execmd(hostname, port, username, password, execmd):
  paramiko.util.log_to_file("paramiko.log")

  s = paramiko.SSHClient()
  s.set_missing_host_key_policy(paramiko.AutoAddPolicy())
  if(port==0):
    s.connect(hostname=hostname, username=username, password=password)
  else:
    s.connect(hostname=hostname, port=port, username=username, password=password)
  stdin, stdout, stderr = s.exec_command(execmd)
  stdin.write("Y") # Generally speaking, the first connection, need a simple interaction.

  print stdout.read()

  s.close()


def main(server,project):
# def main():
  server_list = {'2108':{'hostname':'112.22.22.22','username':'root','password':'123456','port':2108},
         '11':{'hostname':'192.168.1.11','username':'root','password':'123456','port':0}
          }

  if(server == '118'):
    execmd = "cd /workspace/" + project + "/ && git pull"
    info = os.popen(execmd).read()  # 这里是更新本地的，可以返回打印出cmd 的回显结果
    print info

  up_list = server_list[server]
  hostname = up_list['hostname']
  port = up_list['port']
  username = up_list['username']
  password = up_list['password']

  execmd = "cd /workspace/" + project +  "/ && git pull"
  sshclient_execmd(hostname, port, username, password, execmd)


if __name__ == "__main__":
  server = str(sys.argv[1])
  project = str(sys.argv[2])
  main(server,project)

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

import pexpect

def ssh_cmd(ip, passwd, cmd):
  ret = -1
  ssh = pexpect.spawn('ssh root@%s "%s"' % (ip, cmd))
  try:
    i = ssh.expect(['password:', 'continue connecting (yes/no)?'], timeout=5)
    if i == 0 :
      ssh.sendline(passwd)
    elif i == 1:
      ssh.sendline('yes\n')
      ssh.expect('password: ')
      ssh.sendline(passwd)
    ssh.sendline(cmd)
    r = ssh.read()
    print r
    ret = 0
  except pexpect.EOF:
    print "EOF"
    ssh.close()
    ret = -1
  except pexpect.TIMEOUT:
    print "TIMEOUT"
    ssh.close()
    ret = -2
  return ret