Squid : script d'init

Script (ancienne mode avec "service") adapté du script fourni par Debian :

#! /bin/sh
#
# squid       Startup script for the SQUID HTTP proxy-cache.
#
# Version:   @(#)squid3.rc 1.0 07-Jul-2006 luigi@debian.org
#
### BEGIN INIT INFO
# Provides:          squid
# Required-Start:    $network $remote_fs $syslog
# Required-Stop:     $network $remote_fs $syslog
# Should-Start:      $named
# Should-Stop:       $named
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Squid HTTP Proxy version 3.x
### END INIT INFO

NAME=squid
DESC="Squid HTTP Proxy 3.x"
DAEMON=/usr/local/squid/sbin/squid
PIDFILE=/usr/local/squid/var/run/$NAME.pid
CONFIG=/usr/local/squid/etc/squid.conf
SQUID_ARGS="-YC -f $CONFIG"

[ ! -f /etc/default/squid3 ] || . /etc/default/squid3

. /lib/lsb/init-functions

PATH=/bin:/usr/bin:/sbin:/usr/sbin

[ -x $DAEMON ] || exit 0

ulimit -n 65535

find_cache_dir () {
        w="     " # space tab
        res=`sed -ne '
                s/^'$1'['"$w"']\+[^'"$w"']\+['"$w"']\+$[^'"$w"']\+$.*$/\1/p;
                t end;
                d;
                :end q' < $CONFIG`
        [ -n "$res" ] || res=$2
        echo "$res"
}

find_cache_type () {
   w="    " # space tab
   res=`sed -ne '
       s/^'$1'['"$w"']\+$[^'"$w"']\+$.*$/\1/p;
       t end;
       d;
       :end q' < $CONFIG`
   [ -n "$res" ] || res=$2
   echo "$res"
}

start () {
    killall -u squid
    cache_dir=`find_cache_dir cache_dir`
   cache_type=`find_cache_type cache_dir`

   #
    # Create spool dirs if they don't exist.
    #
   if [ "$cache_type" = "coss" -a -d "$cache_dir" -a ! -f "$cache_dir/stripe" ] || [ "$cache_type" != "coss" -a -d "$cache_dir" -a ! -d "$cache_dir/00" ]
   then
       log_warning_msg "Creating $DESC cache structure"
       $DAEMON -z -f $CONFIG
   fi

   umask 027
   ulimit -n 65535
   cd $cache_dir
   start-stop-daemon --quiet --start \
       --pidfile $PIDFILE \
       --exec $DAEMON -- $SQUID_ARGS < /dev/null
   return $?
}

stop () {
   PID=`cat $PIDFILE 2>/dev/null`
   start-stop-daemon --stop --quiet --pidfile $PIDFILE --exec $DAEMON
   #
   #   Now we have to wait until squid has _really_ stopped.
   #
   sleep 2
   if test -n "$PID" && kill -0 $PID 2>/dev/null
   then
       log_action_begin_msg " Waiting"
       cnt=0
       while kill -0 $PID 2>/dev/null
       do
           cnt=`expr $cnt + 1`
           if [ $cnt -gt 24 ]
           then
               log_action_end_msg 1
               return 1
           fi
           sleep 1
           log_action_cont_msg ""
       done
       log_action_end_msg 0
        killall -u squid
        return 0
   else
       return 0
   fi
}

case "$1" in
    start)
   log_daemon_msg "Starting $DESC" "$NAME"
   if start ; then
       log_end_msg $?
   else
       log_end_msg $?
   fi
   ;;
    stop)
   log_daemon_msg "Stopping $DESC" "$NAME"
   if stop ; then
       log_end_msg $?
   else
       log_end_msg $?
   fi
   ;;
    reload|force-reload)
   log_action_msg "Reloading $DESC configuration files"
   start-stop-daemon --stop --signal 1 \
       --pidfile $PIDFILE --quiet --exec $DAEMON
   log_action_end_msg 0
   ;;
    restart)
   log_daemon_msg "Restarting $DESC" "$NAME"
   stop
   if start ; then
       log_end_msg $?
   else
       log_end_msg $?
   fi
   ;;
    status)
   status_of_proc -p $PIDFILE $DAEMON $NAME && exit 0 || exit 3
   ;;
    *)
   echo "Usage: /etc/init.d/$NAME {start|stop|reload|force-reload|restart|status}"
   exit 3
   ;;
esac

exit 0

Version imprimable