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#! /bin/sh
#
# varnish Control the varnish HTTP accelerator
#
# chkconfig: - 90 10
# description: Varnish is a high-perfomance HTTP accelerator
# processname: varnishd
# config: /etc/sysconfig/varnish
# pidfile: /var/run/varnish/varnishd.pid

### BEGIN INIT INFO
# Provides: varnish
# Required-Start: $network $local_fs $remote_fs
# Required-Stop: $network $local_fs $remote_fs
# Should-Start: $syslog
# Short-Description: start and stop varnishd
# Description: Varnish is a high-perfomance HTTP accelerator
### END INIT INFO

# Source function library.
. /etc/init.d/functions

retval=0
pidfile=/var/run/varnish.pid

exec="/usr/sbin/varnishd"
prog="varnishd"
config="/etc/sysconfig/varnish"
lockfile="/var/lock/subsys/varnish"

# Include varnish defaults
[ -e /etc/sysconfig/varnish ] && . /etc/sysconfig/varnish


start() {

if [ ! -x $exec ]
then
echo $exec not found
exit 5
fi

if [ ! -f $config ]
then
echo $config not found
exit 6
fi
echo -n "Starting varnish HTTP accelerator: "

# Open files (usually 1024, which is way too small for varnish)
ulimit -n ${NFILES:-131072}

# Varnish wants to lock shared memory log in memory.
ulimit -l ${MEMLOCK:-82000}

        # $DAEMON_OPTS is set in /etc/sysconfig/varnish. At least, one
        # has to set up a backend, or /tmp will be used, which is a bad idea.
if [ "$DAEMON_OPTS" = "" ]; then
echo "\$DAEMON_OPTS empty."
echo -n "Please put configuration options in $config"
return 6
else
# Varnish always gives output on STDOUT
daemon --pidfile $pidfile $exec -P $pidfile "$DAEMON_OPTS" > /dev/null 2>&1
retval=$?
if [ $retval -eq 0 ]
then
touch $lockfile
echo_success
echo
else
echo_failure
fi
return $retval
fi
}

stop() {
echo -n "Stopping varnish HTTP accelerator: "
killproc -p $pidfile $prog
retval=$?
echo
[ $retval -eq 0 ] && rm -f $lockfile
return $retval
}

restart() {
stop
start
}

reload() {
restart
}

force_reload() {
restart
}

rh_status() {
status -p $pidfile $prog
}

rh_status_q() {
rh_status >/dev/null 2>&1
}

# See how we were called.
case "$1" in
start)
rh_status_q && exit 0
$1
;;
stop)
rh_status_q || exit 0
$1
;;
restart)
$1
;;
reload)
rh_status_q || exit 7
$1
;;
force-reload)
force_reload
;;
status)
rh_status
;;
condrestart|try-restart)
rh_status_q || exit 0
restart
;;
*)
echo "Usage: $0 {start|stop|status|restart|condrestart|try-restart|reload|force-reload}"

exit 2
esac

exit $?
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