pexpect的使用,
linux主机通过测试
华为交换机的ssh,用不了,郁闷。
ssh -v 查看登录过程
[root@pc0003 glpi_switch_ocs]# cat ssh3.py
#!/usr/bin/env python
# -*- coding: utf-8 -*-
import pexpect
import getpass, os
def ssh_command (user, host, password, command):
ssh_newkey = 'Are you sure you want to continue connecting'
child = pexpect.spawn('ssh -l %s %s %s'%(user, host, command))
i = child.expect([pexpect.TIMEOUT, ssh_newkey, 'password: '])
# 如果登录超时,打印出错信息,并退出.
if i == 0: # Timeout
print 'ERROR!'
print 'SSH could not login. Here is what SSH said:'
print child.before, child.after
return None
# 如果 ssh 没有 public key,接受它.
if i == 1: # SSH does not have the public key. Just accept it.
child.sendline ('yes')
child.expect ('password: ')
i = child.expect([pexpect.TIMEOUT, 'password: '])
if i == 0: # Timeout
print 'SSH could not login. Here is what SSH said:'
print child.before, child.after
return None
child.sendline(password)
return child
def main ():
host = raw_input('Hostname: ')
user = raw_input('User: ')
password = getpass.getpass()
command = raw_input('Enter the command: ')
child = ssh_command (user, host, password, command)
child.expect(pexpect.EOF)
print child.before
if __name__ == '__main__':
try:
main()
except Exception, e:
print str(e)
traceback.print_exc()
os._exit(1)
[root@pc0003 glpi_switch_ocs]# python ssh3.py
Hostname: 172.16.66.132
User: root
Password:
Enter the command: lsb_release -a
No LSB modules are available.
Distributor ID: Debian
Description: Debian GNU/Linux 7.9 (wheezy)
Release: 7.9
Codename: wheezy
paramiko ssh 交互
华为交换机的ssh,还是用不了,更郁闷。
ssh -v 查看登录过程
登录ssh,显示文件,切换目录
import paramiko
client = paramiko.SSHClient()
client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
client.connect('172.16.66.132', 22, username='user', password='password ', timeout=4)
stdin, stdout, stderr = client.exec_command('ls -l')
for std in stdout.readlines():
print std,
stdin, stdout, stderr = client.exec_command('cd /etc;pwd')
for std in stdout.readlines():
print std,
client.close()
输出结果
[root@pc0003 glpi_switch_ocs]# python ssh.py
total 12
-rw-r--r-- 1 root root 1542 Oct 21 16:31 ceph.log
-rw-r--r-- 1 root root 1645 Oct 21 14:43 release.asc
-rw-r--r-- 1 root root 26 Nov 23 10:00 test
/etc
[root@pc0003 glpi_switch_ocs]#