#!/usr/bin/bash

# VIP
VIP=192.168.96.200
# 真实服务器
REAL_SERVER=(192.168.96.167 192.168.96.168 192.168.96.170)
# 真实服务器权重
WEIGHT=(3 5 15)
# 调度算法
SCHEDULER=wrr
INTERFACE=ens33
NETMASK=32

case $1 in
start)
    ip addr add $VIP/$NETMASK dev $INTERFACE
    # 设置虚拟服务
    ipvsadm -A -t $VIP:80 -s $SCHEDULER
    for i in ${!REAL_SERVER[@]}
    do
        ipvsadm -a -t $VIP:80 -r ${REAL_SERVER[$i]}:80 -g -w ${WEIGHT[$i]}
    done
    ;;
stop)
    ipvsadm -C
    ;;
*)
    echo "Usage: $0 {start|stop}"
    ;;
esac