ipvs start/stop

loadbalancer

#!/bin/bash

usage ()
{
    if [ -e $1 ]; then
        echo "Usage: $0 {start|stop|status|restart}"
        exit
    fi
}

start ()
{
    . /ucs/policy/lb.conf

    # set expired time
    #             tcp tcpfin udp
    ipvsadm --set 900 120    60

    # UDP virtual IP
    # ipvsadm -A -u $ipaddr:$LSN_PORT -s rr --pe sip -p 120 -o
    # ipvsadm -A -u $ipaddr:$LSN_PORT -s rr -p 120 -o
    ipvsadm -A -u $ipaddr:$LSN_PORT -s rr -p 120

    # UDP instances
    for i in $(seq 1 $icnt)
    do
      ipvsadm -a -u $ipaddr:$LSN_PORT -r $ipaddr:$(($INS_PORT_START + $i - 1)) -m -w 1
    done

   # TCP virtual IP
   ipvsadm -A -t $ipaddr:6061 -s rr -p 120

   #TCP instances
   for i in $(seq 1 $icnt)
   do
      ipvsadm -a -t $ipaddr:6061 -r $ipaddr:$(($INS_PORT_START + $i - 1)) -m -w 1
   done
}

stop ()
{
    ipvsadm -C
}

restart ()
{
    stop
    start
}

status ()
{
    echo
    echo "# LoadBalancer Real/Virtual Ststus"
    ipvsadm -ln | egrep -v "IP Virtual Server|IPVS"
    echo
    echo "# LoadBalancer Connection entries"
    ipvsadm -lcn | egrep -v "IP Virtual Server|IPVS"
}


case "$1" in
    stop) stop ;;
    status) status ;;
    start|restart|reload|force-reload) restart ;;
    *) usage ;;
esac