批量SSH远程到交换机进行相同的配置

D:\Documents\python lab\python\python_switch>python
Python 3.8.0 (tags/v3.8.0:fa919fd, Oct 14 2019, 19:37:50) [MSC v.1916 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.

pip install paramiko

192.168.22.64
192.168.22.1

system-view
undo FTP server
vlan 28

"""
    作者：五个一斋
    功能：批量SSH配置网络设备
    版本：1.0
    日期：2021年03月17日
"""
# _*_ encoding:gbk _*_
# _*_ coding:UTF-8 _*_
import paramiko
import time
import getpass
# 为了异常处理来应对网络设备不可达引起的socket.error，必须引入socket这个Python内建模块
import socket
import io

username = input(‘Username:‘)
password = getpass.getpass(‘Password:‘)

ip_file = ‘ip_list.txt‘
cmd_file = ‘cmd_list.txt‘
log = io.open(‘log.txt‘, ‘a‘, encoding=‘utf-8‘)

# 创建两个空列表用于统计有哪些设备因为密码错误无法登录、设备本身问不可达无法登录
switch_with_authentication_issue = []
switch_not_reachable = []

iplist = open(ip_file, ‘r‘)
for line in iplist.readlines():
    try:
        ip = line.strip()
        ssh_client = paramiko.SSHClient()
        ssh_client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
        ssh_client.connect(hostname=ip, username=username, password=password)
        print("恭喜你成功登录 ", ip)
        command = ssh_client.invoke_shell()
        cmdlist = open(cmd_file, ‘r‘)
        cmdlist.seek(0)
        for line in cmdlist.readlines():
            command.send(line)
            time.sleep(1)
        cmdlist.close()
        output = command.recv(65535)
        print(bytes.decode(output))
        bs = bytes.decode(output)
        log.write(bs)
    except paramiko.ssh_exception.AuthenticationException:
        print("密码错误 " + ip + ".")
        switch_with_authentication_issue.append(ip)
    except socket.error:
        print(ip + " 无法连接")
        switch_not_reachable.append(ip)

iplist.close()
ssh_client.close()

print(‘\n因认证问题无法登录：‘)
log.write("\n\n\n\n密码错误的交换机：\n")
for i in switch_with_authentication_issue:
    print(i)
    log.write(i + "\n")
print(‘\n无法连接以下交换机：‘)
log.write("\n\n\n无法连接的交换机：\n")
for i in switch_not_reachable:
    print(i)
    log.write(i + "\n")
input("按回车关闭窗口！~")