LVS Director端服务启动脚本

 #!/bin/bash
 # 手动安装lpvs前端管理工具
 # chkconfig:    -
 #
 # lvs启动脚本:director
 # lvs模式类型:nat、dr、ipip
 # lvs代理协议:tcp、udp、mark

 # 检测输入类型是否为tcp/udp/mark
 function check_type()
 {
     while true
         do
             read -p "tcp/udp/mark:" TYPE
                 if [[ $TYPE == tcp ]]
                 then
             type=t
                         break
                 elif [[ $TYPE == udp ]]
                 then
             type=u
                         break
                 elif [[ $TYPE == mark ]]
                 then
             type=f
                            break
                 else
                         echo "Type Error"
                         continue
                 fi
         done
 }

 # 检测输入模式是否为nat/dr/ipip
 function check_mode()
 {
         while true
         do
                 read -p "nat/dr/ipip:" MODE
                 if [[ $MODE == nat ]]
                 then
                         mode=m
                         break
                 elif [[ $MODE == dr ]]
                 then
                         mode=g
                         break
                 elif [[ $MODE == ipip ]]
                 then
                         mode=i
                         break
                 else
                         echo "Mode Error"
                         continue
                 fi
         done
 }

 case $ in
 start)
 # 虚拟物理接口
 #       ifconfig ethX: $VIP netmask 255.255.255.255 up
         read -p "input the IP what you will do lvs:" VIP
         read -p "input the PORT what you will do lvs:" PORT
         check_type
         check_mode
         read -p "how many RIP you need:" RIPNUM
 # 打开转发
 #    echo "" > /proc/sys/net/ipv4/ip_forward
     ipvsadm -A -$type $VIP:$PORT -s rr
     for ((i=;i<=$RIPNUM;i++))
          do
         read -p "请输入第$i个RIP:" RIP
               ipvsadm -a -$type $VIP:$PORT -r $RIP -$mode
          done
          echo "lvs $MODE on $VIP:$PORT start success"
          ;;
 stop)
 # 虚拟物理接口
 #    ifconfig ethX: down
          read -p "input the IP what you will do lvs:" VIP
          read -p "input the PORT what you will do lvs:" PORT
         check_type
 # 关闭转发
 #    echo "" > /proc/sys/net/ipv4/ip_forward
          ipvsadm -D -$type $VIP:$PORT
     echo "lvs on $VIP:$PORT is down"
          ;;
 esac