Error en Squid3 “Unknown instance: “

Bloc original: http://zenware.net/blog/?p=155

A continuación script mejorado para squid3:


 #! /bin/sh
    #
    # squid3         Startup script for the squid3 HTTP proxy-cache.
    #
    # Version:      @(#)squid3.rc  2.20  01-Oct-2001  miquels@cistron.nl
    #
    ### BEGIN INIT INFO
    # Provides:          squid3
    # Required-Start:    $local_fs $network
    # Required-Stop:     $local_fs $network
    # Should-Start:      $named
    # Should-Stop:       $named
    # Default-Start:     2 3 4 5
    # Default-Stop:      0 1 6
    # Short-Description: squid3 HTTP Proxy
    ### END INIT INFO

    NAME=squid3
    DAEMON=/usr/sbin/squid3
    LIB=/usr/lib/squid3
    PIDFILE=/var/run/$NAME.pid
    squid3_ARGS="-D -YC"

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

    . /lib/lsb/init-functions

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

    [ -x $DAEMON ] || exit 0

    grepconf () {
    w="     " # space tab
    sq=/etc/squid3/squid3.conf
    # sed is cool.
    res='sed -ne '
    s/^'$1'['"$w"']\+\([^'"$w"']\+\).*$/\1/p;
    t end;
    d;
    :end q' < $sq'
    [ -n "$res" ] || res=$2
    echo "$res"
    }

    grepconf2 () {
    w="     " # space tab
    sq=/etc/squid3/$NAME.conf
    # sed is cool.
    res='sed -ne '
    s/^'$1'['"$w"']\+[^'"$w"']\+['"$w"']\+\([^'"$w"']\+\).*$/\1/p;
    t end;
    d;
    :end q' < $sq'
    [ -n "$res" ] || res=$2
    echo "$res"
    }

    #
    #       Try to increase the # of filedescriptors we can open.
    #
    maxfds () {
    [ -n "$squid3_MAXFD" ] || return
    [ -f /proc/sys/fs/file-max ] || return 0
    global_file_max='cat /proc/sys/fs/file-max'
    minimal_file_max=$(($squid3_MAXFD + 4096))
    if [ "$global_file_max" -lt $minimal_file_max ]
    then
    echo $minimal_file_max > /proc/sys/fs/file-max
    fi
    ulimit -n $squid3_MAXFD
    }

    start () {
    cdr='grepconf2 cache_dir /var/spool/$NAME'
    ctp='grepconf cache_dir ufs'

    case "$cdr" in
    [0-9]*)
    log_failure_msg "squid3: squid3.conf contains 2.2.5 syntax - not starting!"
    log_end_msg 1
    exit 1
    ;;
    esac

    #
    # Create spool dirs if they don’t exist.
    #
    if [ -d "$cdr" -a ! -d "$cdr/00" ] || [ "$ctp" = "coss" -a ! -f "$cdr" ]
    then
    log_warning_msg "Creating squid3 cache structure"
    $DAEMON $squid3_ARGS -z
    fi

    if [ "$CHUID" = "" ]; then
    CHUID=root
    fi

    maxfds
    umask 027
    start-stop-daemon –quiet –start \
    –pidfile $PIDFILE \
    –chuid $CHUID \
    –exec $DAEMON — $squid3_ARGS < /dev/null
    return $?
    }

    stop () {
    PID='cat $PIDFILE 2>/dev/null'
    start-stop-daemon –stop –quiet –pidfile $PIDFILE –name squid3
    #
    #       Now we have to wait until squid3 has _really_ stopped.
    #
    sleep 2
    if test -n "$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 5
    log_action_cont_msg ""
    done
    log_action_end_msg 0
    return 0
    else
    return 0
    fi
    }

    case "$1" in
    start)
    log_daemon_msg "Starting squid3 HTTP proxy" "squid3"
    if start ; then
    log_end_msg $?
    else
    log_end_msg $?
    fi
    ;;
    stop)
    log_daemon_msg "Stopping squid3 HTTP proxy" "squid3"
    if stop ; then
    log_end_msg $?
    else
    log_end_msg $?
    fi
    ;;
    reload|force-reload)
    log_action_msg "Reloading squid3 configuration files"
    $DAEMON -k reconfigure
    ;;
    restart)
    log_daemon_msg "Restarting squid3 HTTP proxy" "squid3"
    stop
    if start ; then
    log_end_msg $?
    else
    log_end_msg $?
    fi
    ;;
    status)
    status_of_proc -p "$PIDFILE" "$DAEMON" squid3 && exit 0 || exit $?
    ;;
    *)
    echo "Usage: /etc/init.d/$NAME {start|stop|reload|force-reload|restart|status}"
    exit 3
    ;;
    esac

    exit 0