#! /bin/sh
# Munin plugin
# Gets number of active channels
# By Eugene Varnavsky
#  Converted to /bin/sh by Steve Schnepp
# June 2012
# Version 1.0
# 
# Run as root or make sure munin user can run 'asterisk -r' command
#
# [asterisk_channels]
#   user root
#
# LGPL License

if [ "$1" = "autoconf" ]; then
        [ -z $(which asterisk) ] && echo "no" || echo "yes"
        exit 0
fi

if [ "$1" = "config" ]; then
        echo "graph_title Asterisk Channels"
        echo "graph_args --base 1000 -l 0"
        echo "graph_vlabel Channels"
        echo "graph_category asterisk"
        echo "channels.label Channels"
        exit 0
fi

asterisk -rx "core show channels" | awk '/active channels/ { print "channels.value " $1 }'
exit 0