pytho部署lvs

import paramiko

ssh = paramiko.SSHClient()
ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())


def direct_server():
    ssh.connect('192.168.200.12', 22, 'root', 'root',timeout=3)
    stdin, stdout, stderr = ssh.exec_command('ipvsadm -C;'
                                             'ipvsadm -A -t 192.168.200.250:80 -s wrr;'
                                             'ipvsadm -a -t 192.168.200.250:80 -r 192.168.254.20:80 -w 1 -g;'
                                             'ipvsadm -a -t 192.168.200.250:80 -r 192.168.254.25:80 -w 2 -g;'
                                             'ifconfig ens33:0 192.168.200.250 broadcast 192.168.200.250 netmask 255.255.255.255 up;'
                                             'route add -host 192.168.200.250 dev ens33:0')
    print(stderr.read().decode('utf-8'))
    print(stdout.read().decode('utf-8'))
    print('dicret_server配置完成！！！')


def real_server1():
    ssh.connect('192.168.200.20', 22, 'root', 'root', timeout=3)
    stdin, stdout, stderr = ssh.exec_command('ifconfig lo:0 192.168.200.250 broadcast 192.168.200.250 netmask 255.255.255.255 up;'
                                             'route add -host 192.168.200.250 dev lo:0;'
                                             'echo "1">/proc/sys/net/ipv4/conf/lo/arp_ignore;'
                                             'echo "2">/proc/sys/net/ipv4/conf/lo/arp_announce;'
                                             'echo "1">/proc/sys/net/ipv4/conf/all/arp_ignore;'
                                             'echo "2">/proc/sys/net/ipv4/conf/all/arp_announce;'
                                             'service httpd restart')
    print(stderr.read().decode('utf-8'))
    print(stdout.read().decode('utf-8'))
    print('real_server1配置完成！！！')

def real_server2():
    ssh.connect('192.168.200.25', 22, 'root', 'root', timeout=3)
    stdin, stdout, stderr = ssh.exec_command(
        'ifconfig lo:0 192.168.200.250 broadcast 192.168.200.250 netmask 255.255.255.255 up;'
        'route add -host 192.168.200.250 dev lo:0;'
        'echo "1">/proc/sys/net/ipv4/conf/lo/arp_ignore;'
        'echo "2">/proc/sys/net/ipv4/conf/lo/arp_announce;'
        'echo "1">/proc/sys/net/ipv4/conf/all/arp_ignore;'
        'echo "2">/proc/sys/net/ipv4/conf/all/arp_announce;'
        'service httpd restart')
    print(stderr.read().decode('utf-8'))
    print(stdout.read().decode('utf-8'))
    print('real_server2配置完成！！！')

def main():
    direct_server()
    real_server1()
    real_server2()
    ssh.close()


if __name__ == '__main__':
    main()