contrib-munin/plugins/asterisk/asterisk_inuse

#!/bin/sh
#
# add this into munin/plugin-conf.d/plugins.conf:
#
# [asterisk_inuse]
# user root
#

if [ "$1" = "autoconf" ]; then
    if [ which asterisk ]; then
        asterisk -rx 'sip show inuse' > /dev/null
        if [ $? = "0" ]; then
                echo yes
        else
                    echo no
            fi
    else
        echo no
    fi
    exit 0
fi

if [ "$1" = "config" ]; then
        echo 'graph_title Line use'
        echo 'graph_args --base 1000 -l 0'
        echo 'graph_vlabel line use and connected users states'
	echo 'graph_noscale true'
	echo 'graph_info will be info'
        echo 'graph_category voip'
        echo 'inuse.label inuse'
        echo 'inuse.type GAUGE'
	echo 'inuse.info sip show inuse'
	echo 'connected.label connected'
        echo 'connected.type GAUGE'
        echo 'connected.info sip show peers'
	echo 'connected.warning 10:300'
	echo 'connected.critical 1:500'
        exit 0
fi

INUSE=`asterisk -rx 'sip show inuse' | grep -v "0/0" | grep -v " 0 " | grep -v " name" | wc -l`
CONN=`asterisk -rx 'sip show peers' | grep OK | wc -l`

if [ "$INUSE" -ge "1" ]; then
	echo "inuse.value "$INUSE
else
	echo "inuse.value 0"
fi

echo "connected.value "$CONN