#!/bin/bash

#Author: Liang WeiCheng

ip_array=($(grep "server 10.112.84" /etc/nginx/nginx.conf |awk '{print $2}'))

while true

do

        ##对当前负载均衡的所有节点挨个检查

    for((i=;i<${#ip_array[*]};i++))

    do

         egrep "^#.*${ip_array[$i]}.*" /etc/nginx/nginx.conf &>/dev/null         

         [ $? -eq  ] && continue

         status=`curl -s -w "%{http_code}" -o /dev/null ${ip_array[$i]}`

         if [ ${status} -ne  ]

             then

              sed -i "s/server ${ip_array[$i]}/#server ${ip_array[$i]}/g" /etc/nginx/nginx.conf

              /usr/sbin/nginx  -s reload

         fi

    done

        sleep

        for((i=;i<${#ip_array[*]};i++))

        do

                     a=`curl -s -w "%{http_code}" -o /dev/null ${ip_array[$i]}`

                 if [ ${a} -eq  ];then

                  egrep "^#.*${ip_array[$i]}.*" /etc/nginx/nginx.conf &>/dev/nullif [ $? -eq  ];then

                   sed -i -r "s/#(.*${ip_array[$i]}.*)/\1/g" /etc/nginx/nginx.conf

                   /usr/sbin/nginx -s reload

                  fi

                  fi

        done

done