Munin contributed plugins

#!/bin/sh

: << =cut

=head1 NAME

freeradius_queue - Plugin to get number of waiting packets in FreeRADIUS queues

=head1 APPLICABLE SYSTEMS

FreeRADIUS 3.0.7 or later.

=head1 CONFIGURATION

This plugin uses the following configuration variables:

 [freeradius_queue]

  env.radmin     - Path to "radmin" executable.

  env.socketfile - Path to administration socket.

=head1 AUTHOR

Copyright (C) 2015 Arran Cudbard-Bell <a.cudbardb@freeradius.org>

=head1 LICENSE

 This program is free software; you can redistribute it and/or modify

 it under the terms of the GNU General Public License as published by

 the Free Software Foundation; either version 2 of the License, or

 (at your option) any later version.

 This program is distributed in the hope that it will be useful,

 but WITHOUT ANY WARRANTY; without even the implied warranty of

 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 GNU General Public License for more details.

 You should have received a copy of the GNU General Public License

 along with this program; if not, write to the Free Software

 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA

=head1 MAGIC MARKERS

 #%# family=auto

 #%# capabilities=autoconf

=cut

RADMIN=${radmin:-`which radmin 2>/dev/null`}

RADMIN=${RADMIN:-/usr/sbin/radmin}

SOCKETFILE=${socketfile:-/var/run/radiusd/radiusd.sock}

#

# Check we can execute radmin, and check that the stats queue

# command exists, and provides us with valid results.

#

# Note: Before 3.0.7 there was no separate communications channel

# for error codes or error messages, so radmin would always exit

# with 0, even on failure.

#

if [ "$1" = "autoconf" ]; then

    if [ -x $RADMIN ] && $RADMIN -f $SOCKETFILE -e "stats queue" 2>/dev/null | grep 'queue_len' > /dev/null; then

        echo yes

    else

        echo no

    fi

    exit 0

fi

if [ "$1" = "config" ]; then

    echo 'graph_title FreeRADIUS queued packets'

    echo 'graph_args --base 1000 -l 0 '

    echo 'graph_period second'

    echo 'graph_vlabel requests / ${graph_period}'

    echo 'graph_category Other'

    echo 'queue_len_internal.label Internal'

    echo 'queue_len_internal.info number of requests waiting in the internal queue'

    echo 'queue_len_internal.type DERIVE'

    echo 'queue_len_internal.min 0'

    echo 'queue_len_proxy.label Proxy'

    echo 'queue_len_proxy.info number of requests waiting in the proxy queue'

    echo 'queue_len_proxy.type DERIVE'

    echo 'queue_len_proxy.min 0'

    echo 'queue_len_auth.label Authentication'

    echo 'queue_len_auth.info number of requests waiting in the authentication queue'

    echo 'queue_len_auth.type DERIVE'

    echo 'queue_len_auth.min 0'

    echo 'queue_len_acct.label Accounting'

    echo 'queue_len_acct.info number of requests waiting in the accounting queue'

    echo 'queue_len_acct.type DERIVE'

    echo 'queue_len_acct.min 0'

    echo 'queue_len_detail.label Detail reader'

    echo 'queue_len_detail.info number of requests waiting in the detail queue'

    echo 'queue_len_detail.type DERIVE'

    echo 'queue_len_detail.min 0'

    exit 0

fi

$RADMIN -f $SOCKETFILE -e "stats queue" | grep 'queue_len*' |  awk '{print $1".value " $2}'