ipvsadm

#!/bin/bash
# author: kuangl
# mail:kuangl@orient-media.com
# description: Starts and stops the LVS services.

# -------------------------------------------------------- #
                # LVS_CONFINGE_FILE
# -------------------------------------------------------- #

# ipvsadmin configure IP
LVS_DIP=192.168.122.5
LVS_VIP=192.168.122.15
LVS_RIP1=192.168.122.6
LVS_RIP2=192.168.122.7
NETMAST=255.255.255.255

# source function library
. /etc/rc.d/init.d/functions

RETVAL=0

start()
{
     # Start daemons.
     ipvsadm -A -t $LVS_VIP:80 -s wlc -p 10
     ipvsadm -Ln
     sleep 5
     ipvsadm -a -t $LVS_VIP:80 -r $LSV_RIP1:80 -g -w 1
     ipvsadm -a -t $LVS_VIP:80 -r $LVS_RIP2:80 -g -w 1
     ipvsadm -Ln
     sleep 5
     ifconfig eth0:0 $LVS_VIP netmask $NETMAST broadcast $LVS_VIP up
     route add -host $LVS_VIP dev eth0:0
     echo "ipvsadm started"
}

stop()
{
      # Stop daemons.
      ipvsadm -C
      ipvsadm -Z
      ifconfig eth0:0 down
      route del $LVS_VIP
      echo "ipvsadm stoped"
}

restart()
{
      stop
      start
}

case "$1" in
  start)
       start
       ;;

  stop)
      stop
      ;;

  restart)
         restart
         ;;
  *)
       echo $"Usage: $0 {start|stop|restart}"
       exit 1
esac
exit $?