batch set Disable/Enable Root SSH login with fabric tool (sshd_config PermitRootLogin)

batchPermitRootLoginByfabric.md

{
  "172.123.4.6":{"user":"abc"},
  "172.123.5.6":{"user":"abc"},
  "172.123.1.6":{"user":"abc"},
}

from invoke import Responder
from fabric import Connection
import json

# load hosts
hosts=json.load(open("nodeinfo.json",'r'), encoding='utf-8')

for key,node in hosts.items(): 
    ip = key.strip()  
    user = 
    host ="{0}@{1}".format(node['user'],key) #host forma： user@host:port
    c = Connection(host,connect_kwargs={'password':'userPassword'}) 

    # auto fill password
    sudopass = Responder(
    pattern=r'Password:', 
    response='replace with your password\n',
    ) 
    # enable
    result=c.run('su -l root -s /bin/sh -c \'sed -i "s/PermitRootLogin no/PermitRootLogin yes/g" /etc/ssh/sshd_config | service ssh restart \'',pty=True, hide='stderr', watchers=[sudopass])
    # disable
    # result=c.run('su -l root -s /bin/sh -c \'sed -i "s/PermitRootLogin yes/PermitRootLogin no/g" /etc/ssh/sshd_config | service ssh restart \'',pty=True, hide='stderr', watchers=[sudopass])
    print(host, result.ok)