实现堡垒机模式下的远程命令执行#!/usr/bin/env python
import paramiko
import os,sys,time
hostname="192.168.2.121"
username="root"
password="123456"
blip="192.168.2.120"
bluser="root"
blpasswd="123456"
port=22
passinfo='\'s password: '
paramiko.util.log_to_file('syslogin.log')
ssh=paramiko.SSHClient()
ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
ssh.connect(hostname=blip,username=bluser,password=blpasswd)
#new session
channel=ssh.invoke_shell()
channel.settimeout(10)
buff = ''
resp = ''
channel.send('ssh '+username+'@'+hostname+'\n')
while not buff.endswith(passinfo):
try:
resp = channel.recv(9999)
except Exception,e:
print 'Error info:%s connection time.' % (str(e))
channel.close()
ssh.close()
sys.exit()
buff += resp
if not buff.find('yes/no')==-1:
channel.send('yes\n')
buff=''
channel.send(password+'\n')
buff=''
while not buff.endswith('# '):
resp = channel.recv(9999)
if not resp.find(passinfo)==-1:
print 'Error info: Authentication failed.'
channel.close()
ssh.close()
sys.exit()
buff += resp
channel.send('ifconfig\n')
buff=''
try:
while buff.find('# ')==-1:
resp = channel.recv(9999)
buff += resp
except Exception, e:
print "error info:"+str(e)
print buff
channel.close()
ssh.close()
结果：
[root@node110 paramiko]# python simple3.py
ifconfig
docker0 Link encap:Ethernet HWaddr 62:E1:7C:42:A3:D3
inet addr:172.17.42.1 Bcast:0.0.0.0 Mask:255.255.0.0
inet6 addr: fe80::60e1:7cff:fe42:a3d3/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:6 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:0 (0.0 b) TX bytes:468 (468.0 b)
eth2 Link encap:Ethernet HWaddr 00:0C:29:EF:E7:72
inet addr:192.168.2.121 Bcast:192.168.255.255 Mask:255.255.0.0
inet6 addr: fe80::20c:29ff:feef:e772/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:555154 errors:0 dropped:0 overruns:0 frame:0
TX packets:101 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:33353001 (31.8 MiB) TX bytes:18478 (18.0 KiB)
