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contrib-munin/plugins/other/zapchans

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2008-12-17 21:16:06 +01:00
#!/bin/sh
# -*- sh -*-
#
# Plugin to monitor voip statistics.
#
# Parameters:
#
# config (required)
# autoconf (optional - only used by munin-config)
#
# Bugs:
# At least one SuSE netstat appears to report
# "passive connections rejected because of time stamp"
# We have never seen that, patch requested.
#
# Magic markers (optional - used by munin-config and some installation
# scripts):
#%# family=auto
#%# capabilities=autoconf
if [ "$1" = "autoconf" ]; then
echo yes
exit 0
fi
if [ "$1" = "config" ]; then
echo 'graph_title PRI channels in use'
# Most T1s have 23 channels, with one control channel. If you have more than
# one T1, increase the limit here appropriately
echo 'graph_args --upper-limit 22 -l 0'
echo 'graph_scale no'
echo 'graph_vlabel active connections'
echo 'graph_category VOIP'
echo 'graph_period second'
echo 'graph_info This graph shows the number of PRI lines in use.'
echo 'calls.label calls'
echo 'calls.min 0'
echo 'calls.info The number of calls per second.'
exit 0
fi
# it would be wise to put the following in a separate shell script that runs as root in
# cron, and dumps its output to a separate file for this plugin to read later on. Letting
# Munin plugins run as root is a security hole.
zap=`asterisk -rx 'zap show channels' |grep -v "[[:digit:]]*[[:space:]] local" |grep -vc "Chan Extension"`
echo "calls.value $zap"