详解python通过paramiko模块批量执行ssh命令

多台设备批量执行ssh命令,目前是串行,后期会加入多线程实现并行,直接上源码

注意不能执行top等动态命令

#!/usr/bin/env python
# -*- coding:utf-8 -*-
__author__ = ‘babyshen’
__version__ = ‘1.0.0’
import paramiko
class ssh(object):
def __init__(self,port,username,password):
self.port = port
self.username = username
self.password = password
def ssh_con(self,host,ip,cmd):
ssh = paramiko.sshclient()
ssh.set_missing_host_key_policy(paramiko.autoaddpolicy())
ssh.connect(ip,self.port,self.username,self.password)
stdin, stdout, stderr = ssh.exec_command(cmd)
res,err = stdout.read(),stderr.read()
result = res if res else err
print(‘\033[31;1m%s %s\033[0m’ %(host,ip))
print(‘\033[32;1m%s\033[0m’ %result.decode())
ssh.close()
if __name__ == ‘__main__’:
client = {‘host1′:’1.1.1.1’,
‘host2′:’2.2.2.2’,
‘host3′:’3.3.3.3’,
‘host4′:’4.4.4.4’,
} # 主机列表 ,hostname:ip
port = 22 # 端口号
username = ‘root’ # 用户名
password = ‘123456789’ # 密码
cmd = “ip route show match 1.1.1.1 | head -1”
ssh = ssh(port,username,password)
for i in client:
host,ip = i,client[i]
try:
ssh.ssh_con(host,ip,cmd)
except windowserror:
print(‘\033[31;1m%s %s %s \033[0m\n’ %(host,ip,’连接尝试失败’))
except exception as e:
print(e)

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