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contrib-munin/plugins/cyrus/cyrus-imapd
Pierre Schweitzer 888d91f4e6 cyrus-imapd:
First, try to look for proc_path: config parameter.
If it doesn't exist, fallback to old method, and extrapolate the configdirectory: config parameter
2015-05-20 15:24:30 +02:00

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#!/bin/sh
#
# Copyright (C) 2009 - 2012 Andreas Thienemann <andreas@bawue.net>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU Library General Public License as published by
# the Free Software Foundation; version 2 only
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Library General Public License for more details.
#
# You should have received a copy of the GNU Library General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
: <<=cut
=head1 NAME
cyrus-imapd - Munin plugin to monitor the load on a cyrus imapd server
=head1 CONFIGURATION
The user running this plugin needs read and write access to the
cyrus-imapd proc directory. You will need to add the following to the
munin-node/plugin configuration:
[cyrus-imapd]
user root
=head1 INTERPRETATION
This plugin should be pretty self explanatory.
It displays the following three datapoints:
- Total number of open connections (both in authenticated and
non-authenticated state)
- Number of authenticated sessions
- Number of unique users
=head1 MAGIC MARKERS
#%# family=contrib
#%# capabilities=autoconf
=head1 VERSION
0.0.20120307
=head1 BUGS
None known. If you find any, please put in a ticket at <https://trac.bawue.org/munin/newticket>.
=head1 AUTHOR
Andreas Thienemann <andreas@bawue.net>
=head1 LICENSE
GPLv2
=cut
# IMAP Configuration Directory
PROCDIR=$(awk -F : '/^proc_path:/ { gsub(/ /, "", $2); print $2 }' /etc/imapd.conf 2> /dev/null)
if [ "x${PROCDIR}x" = "xx" ]; then
CONFIGDIR=$(awk -F : '/^configdirectory:/ { gsub(/ /, "", $2); print $2 }' /etc/imapd.conf 2> /dev/null)
PROCDIR="${CONFIGDIR}/proc"
fi
if [ "$1" = "autoconf" ]; then
if [ "x${PROCDIR}x" != "xx" ] && [ -d ${PROCDIR} ]; then
echo yes
else
echo "no (no cyrus-imapd procdir found)"
fi
exit 0
fi
# Check if we actually got some sensible data
if [ "x${PROCDIR}x" = "xx" ]; then
exit 1
fi
# If run with the "config"-parameter, give out information on how the
# graphs should look.
if [ "$1" = "config" ]; then
echo 'graph_title Cyrus IMAPd Load'
echo 'graph_args --base 1000 -l 0'
echo 'graph_vlabel connections'
echo 'graph_scale no'
echo 'graph_category cyrus'
echo 'graph_info Current connections to the imap server. <a href="http://trac.bawue.org/">bawue.net e.V. Trac repository</a>.'
echo 'graph_order connections authenticated_users unique_users'
echo 'connections.label Connections'
echo 'connections.info Number of connections to the imap server.'
echo 'authenticated_users.label Authenticated Users'
echo 'authenticated_users.info Number of authenticated users logged into the imap server.'
echo 'unique_users.label Unique Users'
echo 'unique_users.info Number of unique users on the imap server.'
# Last, if run with the "config"-parameter, quit here (don't
# display any data)
exit 0
fi
cons=$(ls ${PROCDIR} | wc -l)
if [ $cons -gt 0 ]; then
# Print the number of connections to the imap server
echo "connections.value $cons"
# Read the proc files and get the logged in users
echo -n "authenticated_users.value "
awk '{ split(substr($0, match($0, "]")+1), a); if (a[1] != "") print a[1] }' ${PROCDIR}/* | wc -l
# Read the proc files and get the number of unique users
echo -n "unique_users.value "
awk '{ split(substr($0, match($0, "]")+1), a); if (a[1] != "") print a[1] }' ${PROCDIR}/* | sort -u | wc -l
else
echo "connections.value 0"
echo "authenticated_users.value 0"
echo "unique_users.value 0"
fi