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#!/usr/bin/sh
# -*- sh -*-
: << =cut
=head1 NAME
ejabberd_ - Munin wildcard plugin to monitor ejabberd2
=head1 CONFIGURATION
As connected users, registered users and server-connections have
somewhat different scales, this plugin uses munins suggest feature to
create the following graphs:
ejabberd_connections
ejabberd_memory
ejabberd_registrations
ejabberd_statuses
ejabberd_threads
ejabberd_uptime
ejabberd_users
ejabberd_usersindays
If the autodetect-feature for vhosts breaks, you can set
=over 4
[ejabberd_*]
env.vhosts foo.com bar.com
=back
in a file in plugin-conf.d to override it. ("user root" may also be
smart/not so smart depending on your setup).
For monitoring user statuses - define statuses environment variable:
(you can monitor only some of them)
=over 4
[ejabberd_*]
env.statuses available away chat xa
=back
For usersindays statistics define days environment variable. Be
careful on high loaded servers, because it will plot all days in one
graph.
=over 4
[ejabberd_*]
env.days 1 7 30
=back
If your ejabberd.cfg cannot be found you can se it this way
=over 4
[ejabberd_*]
env.configfile /etc/ejabberd/ejabberd.cfg
=back
=head1 MAGIC MARKERS
#%# family=contrib
#%# capabilities=autoconf suggest
=head1 AUTHOR
Written by Lasse Karstensen <lkarsten@hyse.org>. Based on
ejabberd-plugin by Christian Dröge <Christian@draugr.de>
Status, memory, threads, uptime, usersindays, ejabberd2 and other code
optimisation by Peter Viskup <skupko.sk@gmail.com>
=head1 LICENSE
Unknown
=head1 BUGS
Previously the documentation for this plugin mentioned RRDs limit on
data series names. Munin works around this limit and the restriction
does not apply.
There is no way to configure the path to ejabberdctl.
=cut
EJCTL=$(which ejabberdctl 2>/dev/null)
if [ "$1" = "autoconf" ]; then
if [ -n "$EJCTL" -a -x "$EJCTL" ]; then
echo yes
exit 0
fi
echo "no (ejabberdctl not found in path)"
exit 0
fi
if [ "$1" = "suggest" ]; then
echo "connections"
echo "users"
echo "registrations"
echo "statuses"
echo "memory"
echo "threads"
echo "usersindays"
echo "uptime"
exit 0
fi
# trying to autodetect running vhosts.
if [ -z "$vhosts" ]; then
if [ -z "$configfile" ]; then
for CFGPATH in /etc/ejabberd /etc/ejabber /usr/local/ejabberd/etc; do
if [ -f "$CFGPATH/ejabberd.cfg" ]; then
configfile=$CFGPATH/ejabberd.cfg;
fi
done
fi
if [ -z "$configfile" ]; then
echo "Unable to find ejabberd.cfg. Exiting." >&2
exit 1
fi
# you have to have all of vhosts defined on one line in $EJCFG or in plugins-conf.d/munin-node config file
vhosts=$(awk '/^\s*{hosts/ {gsub( /\{\s?hosts\s?,|[\",\[\]]|\}\s?.|localhost/ ,""); print;}' $EJCFG);
fi
# get ejabberd PID
# in GNU/Linux Debian Lenny release the pidof command can be executed only by root
#EJPID=$(pidof -s /usr/lib/erlang/erts-5.6.3/bin/beam.smp)
EJPID=$(ps -ef | awk '/ejabberd/ && /\/bin\/beam(.smp)?/ {print $2}')
if [ -z "$vhosts" ]; then
echo "No vhosts to sample." >&2
echo "Please set env.vhosts in plugins-conf.d/munin-node." >&2
exit 1
fi
MODE=`basename $0 | sed 's/^ejabberd_//g'`
if ! [ "$MODE" = "connections" -o "$MODE" = "users" \
-o "$MODE" = "registrations" -o "$MODE" = "statuses" \
-o "$MODE" = "memory" -o "$MODE" = "threads" \
-o "$MODE" = "usersindays" -o "$MODE" = "uptime" ]; then
echo "ERROR: Unknown mode \"$MODE\". Exiting." >&2
exit 1
fi
if [ "$1" = "config" ]; then
if [ "$MODE" = "memory" ]; then
echo 'graph_args --base 1024 -l 0'
echo 'graph_scale yes'
echo 'graph_category ejabberd'
echo 'graph_info This graph shows a statistic of ejabberd'
echo 'graph_title Memory of ejabberd process'
echo 'graph_vlabel Bytes'
echo "ejabberd_memory_size.label actual memory";
echo "ejabberd_memory_size.info Memory used by ejabberd process in Bytes";
echo "ejabberd_memory_peak.label memory peak";
echo "ejabberd_memory_peak.info Memory peak of ejabberd process in Bytes";
else
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 [ "$MODE" = "connections" ]; then
echo 'graph_title Server-to-server connections'
echo 'graph_vlabel s2s'
echo 's2s_connections_out.label incoming s2s connections'
echo 's2s_connections_out.info Number of outgoing server to server connections'
echo 's2s_connections_in.label outgoing s2s connections'
echo 's2s_connections_in.info Number of incoming server to server connections'
elif [ "$MODE" = "users" ]; then
echo 'graph_title Connected users'
echo 'graph_vlabel users'
for host in $vhosts; do
formathost=$(echo $host | tr '.' '_' | tr '-' '_')
echo "connected_users_$formathost.label $host connected users";
echo "connected_unique_users_$formathost.label $host unique connected users";
done;
elif [ "$MODE" = "registrations" ]; then
echo 'graph_title Number of registered users'
echo 'graph_vlabel users'
for host in $vhosts; do
formathost=$(echo $host | tr '.' '_' | tr '-' '_')
echo "registered_$formathost.label $host registered users";
echo "registered_$formathost.info Registered users for vhost $host"
done;
elif [ "$MODE" = "statuses" ]; then
echo 'graph_title Users with statuses'
echo 'graph_vlabel users'
for host in $vhosts; do
for status in $statuses; do
formathost=$(echo $host | tr '.' '_' | tr '-' '_')
echo "status_${formathost}_${status}.label $status on $host";
echo "status_${formathost}_${status}.info Number of users with status $status on $host [available, away, xa=not available, dnd=(do not disturb) or (busy), chat=free for chat]";
done;
done;
elif [ "$MODE" = "threads" ]; then
echo 'graph_title Threads of ejabberd process'
echo 'graph_vlabel threads'
echo "ejabberd_threads.label number of threads";
echo "ejabberd_threads.info Number of threads of ejabberd process";
elif [ "$MODE" = "usersindays" ]; then
echo 'graph_title Active users in last days'
echo 'graph_vlabel users'
for host in $vhosts; do
for num in $days; do
formathost=$(echo $host | tr '.' '_' | tr '-' '_')
echo "usersindays_${formathost}_${num}.label active users on $host in last $num days";
echo "usersindays_${formathost}_${num}.info Number of users active on $host in last $num days";
done;
done;
elif [ "$MODE" = "uptime" ]; then
echo 'graph_title Uptime of ejabberd server'
echo 'graph_vlabel uptime in days'
echo "uptime.label uptime"
echo 'uptime.draw AREA'
fi
fi
exit 0
fi
if [ "$MODE" = "connections" ]; then
echo "s2s_connections_out.value $($EJCTL outgoing-s2s-number)"
echo "s2s_connections_in.value $($EJCTL incoming-s2s-number)"
exit 0
fi
if [ "$MODE" = "users" ]; then
for host in $vhosts; do
formathost=$(echo $host | tr '.' '_' | tr '-' '_')
echo "connected_users_$formathost.value $($EJCTL stats-host onlineusers $host)";
echo "connected_unique_users_$formathost.value $($EJCTL connected-users | awk -v var=$host -v count=0 -F/ '{users[$1]} END {for (user in users) {if (index(user,var)) {count++}} print count}')";
done
exit 0
fi
if [ "$MODE" = "registrations" ]; then
for host in $vhosts; do
formathost=$(echo $host | tr '.' '_' | tr '-' '_')
num=$($EJCTL stats-host registeredusers $host)
if [ "$?" != 0 ]; then
num="U"
fi
echo "registered_$formathost.value $num";
done
exit 0
fi
if [ "$MODE" = "statuses" ]; then
for host in $vhosts; do
formathost=$(echo $host | tr '.' '_' | tr '-' '_')
for status in $statuses; do
num=$($EJCTL status-num-host $host $status)
if [ "$?" != 0 ]; then
num="U"
fi
echo "status_${formathost}_${status}.value $num";
done
done
exit 0
fi
if [ "$MODE" = "memory" ]; then
echo "ejabberd_memory_size.value $(awk '/VmSize/ {print $2*1024}' /proc/${EJPID}/status)"
echo "ejabberd_memory_peak.value $(awk '/VmPeak/ {print $2*1024}' /proc/${EJPID}/status)"
exit 0
fi
if [ "$MODE" = "threads" ]; then
echo "ejabberd_threads.value $(awk '/Threads/ {print $2}' /proc/${EJPID}/status)"
exit 0
fi
if [ "$MODE" = "usersindays" ]; then
for host in $vhosts; do
for num in $days; do
formathost=$(echo $host | tr '.' '_' | tr '-' '_')
echo "usersindays_${formathost}_${num}.value $($EJCTL num-active-users $host $num)";
done;
done;
exit 0
fi
if [ "$MODE" = "uptime" ]; then
echo "uptime.value $($EJCTL stats uptimeseconds | awk '{printf "%.2f", $1/86400}')"
fi