#!/bin/bash
#
# chkconfig: 345 99 8
# cache: Starts Varnish Cache Service
# description: Varnish Reverse Cache for Web Sites
# process name: cache
# Source function library.
. /etc/init.d/functions
# Configurado por Felipe Ferreira @ 5/01/10

#Edit here to your .vcl FILE
SITEID=intra
RETVAL=0

getpid() {
 pid=`ps -ef | grep 'varnishd -a :80 -T localhost:23 -n intra' | grep -v grep | awk 'NR == 1 { max = $2; maxline = $0; next; } $2 < max { max=$2; maxline=$0 }; END { print max }'`

# Should get only ONE
}

start() {
     echo -n $"Starting Varnish Cache Daemon: "
    getpid
    if [ -z "$pid" ]; then
         # in case of unclean shutdown
               nohup /bin/su root -c "/usr/local/sbin/varnishd -a :80 -T localhost:23 -n $SITEID -P /var/run/$SITEID.pid -u varnish -f /usr/local/etc/varnish/$SITEID.vcl -s file,/var/cache/varnish"
                RETVAL=$?
    fi
    if [ $RETVAL -eq 0 ]; then
        echo_success
    else
            echo_failure
    fi
    echo
    return $RETVAL
}

stop() {
    echo -n $"Stoping Varnish Cache ID: $SITEID: "
    getpid
    RETVAL=$?
    if [ -n "$pid" ]; then
        kill $pid
    sleep 6
    getpid
    if [ -z "$pid" ]; then
        rm -f /var/run/$SITEID
        echo_success
    else
        echo_failure
    fi
    else
        echo_failure
    fi
    echo
    return $RETVAL
}

# See how we were called.
case "$1" in
  start)
        start
        ;;
  stop)
        stop
        ;;
  status)
        getpid
#       echo $pid
        if [ -n "$pid" ]; then
                echo "Varnish Daemon $SITEID (pid $pid) is running..."
        else
                RETVAL=1
                echo "Varnish $SITEID is stopped"
        fi
        ;;
  stats)
         varnishadm -T localhost:23 stats |more
        ;;
  restart)
        stop
        start
        ;;
  *)
        echo $"Usage: $0 {start|stop|status|stats|restart}"
        exit 1
        ;;
esac
exit $RETVAL