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#!/bin/bash
#
# Munin plugin for ejabberd.
#
# Written by Lasse Karstensen <lkarsten@hyse.org> 2007-05-27.
# Based on ejabberd-plugin by Christian Dröge <Christian@draugr.de>
#
# As connected users, registered users and server-connections have somewhat
# different scales, this plugin uses munins suggest feature to create three
# different graphs.
#
# ejabberd_connections
# ejabberd_users
# ejabberd_registrations
#
# use ln -s ejabberd ejabberd_(connections|users|registrations)
# to activate.
#
# If the autodetect-feature for vhosts breaks, you can set
# """
# [ejabberd*]
# env.vhosts foo.com bar.com
# """
# in plugin-conf.d/munin-node to override it.
# (user root may also be smart/not so smart depending on your setup.)
#
#%# family=auto
#%# capabilities=autoconf suggest
EJCTL=$ejctl
if [ "$EJCTL" == "" ]; then
EJCTL=`which ejabberdctl||echo "/usr/sbin/ejabberdctl"`
fi
if [ "$1" == "autoconf" ]; then
if [ -x $EJCTL > /dev/null ]; then
echo yes
exit 0
fi
echo "no (ejabberdctl not found)"
exit 1
fi
if [ "$1" == "suggest" ]; then
echo "connections"
echo "users"
echo "registrations"
exit 0
fi
# trying to autodetect running vhosts.
if [ -z "$vhosts" ]; then
for CFGPATH in /etc/ejabberd /usr/local/ejabberd/etc; do
if [ -f "$CFGPATH/ejabberd.cfg" ]; then
EJCFG=$CFGPATH/ejabberd.cfg;
fi
done
if [ -z "$EJCFG" ]; then
echo "Unable to find ejabberd.cfg. Exiting." > /dev/stderr
exit -1
fi
# this is pretty trivial, and may break if you have many vhosts.
vhosts=$(egrep -A5 '^\{hosts' $EJCFG | \
egrep -v "^#" | \
# make it one whole line.
tr '\n' ' ' | \
# eat what is before [ and after ] on the line.
sed -e 's/.*\[//' -e 's/\].*//' | \
# remove the "s
sed -e 's/\"//g' | \
# clean up whitespaces
sed -e 's/ //g' | \
sed -e 's/,/ /g' | \
# hmm, wonder if this should be here.
sed -e 's/localhost//' )
# all set!
# okay, not so trivial. hope it works. if you get funky results,
# try adjusting the "egrep -Ax" above.
fi
if [ -z "$vhosts" ]; then
echo "No vhosts to sample." > /dev/stderr
echo "Please set env.vhosts in plugins-conf.d/munin-node." > /dev/stderr
exit -1
fi
MODE=`basename $0 | sed 's/^ejabberd_//g'`
if ! [ "$MODE" == "connections" -o "$MODE" == "users" \
-o "$MODE" == "registrations" ]; then
echo "ERROR: Unknown mode \"$MODE\". Exiting." > /dev/stderr
exit -1
fi
if [ "$1" = "config" ]; then
echo 'graph_args --base 1000 -l 0'
echo 'graph_scale no'
echo 'graph_category ejabberd'
echo 'graph_info This graph shows a statistic of ejabberd '
if [ "$MODE" == "connections" ]; then
echo 's2s_connections_out.label incoming s2s connections'
echo 's2s_connections_out.info Number of outgoing server to server connections'
echo 's2s_connections_in.label outgoing s2s connections'
echo 's2s_connections_in.info Number of incoming server to server connections'
elif [ "$MODE" == "users" ]; then
echo 'graph_title ejabberd connected users'
echo 'graph_vlabel users'
for host in $vhosts; do
formathost=$(echo $host | tr '.-' '_')
echo "connected_users_$formathost.label $host connected users";
echo "connected_unique_users_$formathost.label $host unique connected users";
done;
elif [ "$MODE" == "registrations" ]; then
echo 'graph_title ejabberd registrations'
echo 'graph_vlabel users'
for host in $vhosts; do
formathost=$(echo $host | tr '.-' '_')
echo "registered_$formathost.label $host registered users";
echo "registered_$formathost.info Registered users for vhost $host"
done;
fi
exit 0
fi
if [ "$MODE" == "connections" ]; then
echo -n "s2s_connections_out.value "
$EJCTL outgoing-s2s-number
echo -n "s2s_connections_in.value "
$EJCTL incoming-s2s-number
exit 0
fi
if [ "$MODE" == "users" ]; then
connected_users=`$EJCTL connected-users`
for host in $vhosts; do
formathost=$(echo $host | tr '.-' '_')
echo -n "connected_users_$formathost.value ";
echo $connected_users | grep "@$host" | wc -l
echo -n "connected_unique_users_$formathost.value ";
echo $connected_users | grep "@$host" | awk -F/ '{print $1}' | sort | uniq | wc -l
done
exit 0
fi
if [ "$MODE" == "registrations" ]; then
for host in $vhosts; do
formathost=$(echo $host | tr '.-' '_')
echo -n "registered_$formathost.value ";
stat_file="/var/lib/munin/plugin-state/ejabberd_registrations_${host}"
if [ -f $stat_file ]; then
num=$(cat $stat_file)
else
num=$($EJCTL registered-users $host)
fi
if [ "$?" != 0 ]; then
echo "U"
else
echo $num | wc -w
fi
done
exit 0
fi
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