#!/bin/sh
########################################################################
# Begin scriptname
#
# Description : Varnish init script
#
# Authors     : alienus at nutyx dot org
#
# Version     : LFS 7.5
#
# Notes       : NuTyX Saravane
#
########################################################################

### BEGIN INIT INFO
# Provides: varnish init script
# Required-Start:
# Should-Start:
# Required-Stop:
# Should-Stop:
# Default-Start:
# Default-Stop:
# Short-Description:
# Description:
# X-LFS-Provided-By:
### END INIT INFO

. /lib/lsb/init-functions

BIN='/usr/sbin/varnishd'
CONF='/etc/varnish/default.vcl'
PID='/var/run/varnish.pid'

#
# Change thoses vars to fit your need
#
BACKING_FILE='/var/lib/varnish'
ADMIN_IP='127.0.0.1'
ADMIN_PORT=8001
HTTP_IP='0.0.0.0'
HTTP_PORT=80
CACHE_SIZE='1g'
# ttl assigned to objects without ttl values (default 120s)
DEFAULT_TTL=604800 # 7 days
FILE_DESCRIPTORS=131072
MIN_THREADS=5
MAX_THREADS=500
THREAD_TIMEOUT=300
# maximum number of http headers (default is 64)
HTTP_HEADERS=384
# connection timout for backend (default is 0.4s)
CONNECT_TIMEOUT='4.0'

VARNISH_OPTS="-f $CONF \
              -s file,${BACKING_FILE},$CACHE_SIZE \
              -T $ADMIN_IP:${ADMIN_PORT} \
              -a $HTTP_IP:${HTTP_PORT} \
              -t $DEFAULT_TTL \
              -w${MIN_THREADS},${MAX_THREADS},${THREAD_TIMEOUT} \
              -P $PID"

VARNISH_PARAMS="-p http_headers=$HTTP_HEADERS \
                -p connect_timeout=$CONNECT_TIMEOUT"


case "${1}" in
   start)
      log_info_msg "Starting..."
      ulimit -n $FILE_DESCRIPTORS
      start_daemon $BIN $VARNISH_OPTS $VARNISH_PARAMS
      ;;

   stop)
      log_info_msg "Stopping..."
      killproc $BIN
      ;;

   restart)
      ${0} stop
      sleep 1
      ${0} start
      ;;

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

exit 0

# End scriptname