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contrib-munin/plugins/mpd/mpdstats_
2012-11-06 12:37:30 +01:00

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#!/bin/sh
# vim: set ft=sh :
# -*- sh -*-
: << =cut
=head1 NAME
mpdstats_ - Munin plugin to monitor a MPD database
=head1 DEPENDENCIES
This plugin uses netcat(1) to communicate with the MPD daemon.
Tip: To see if it is already set up correctly, just run this plugin
with the parameter "autoconf". If you get a "yes", everything should
work like a charm already.
=head1 INSTALLATION
This wildcard plugin should be symlinked using one of these names:
mpdstats_artists, mpdstats_albums, mpdstats_songs
=head1 CONFIGURATION
No configuration should be required if run on the same server as
MPD. If the plugin is run from remote or in a non-default configuration,
please use the environment variables 'mpd_host' and 'mpd_port' to connect.
Also, if your netcat(1) binary is anywhere else than /bin/nc please define
it using the 'netcat' environment variable.
=head2 CONFIGURATION EXAMPLE
[mpd_*]
env.mpd_host 192.168.0.43
env.mpd_port 6606
env.netcat /usr/local/bin/nc
=head1 AUTHOR
Copyright (C) 2012 ToM <tom@leloop.org>
=head1 LICENSE
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; version 2 dated June,
1991.
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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
=head1 MAGIC MARKERS
#%# family=auto
#%# capabilities=autoconf suggest
=cut
MPDHOST=${mpd_host:-localhost}
MPDPORT=${mpd_port:-6600}
NCBIN=${netcat:-/bin/nc}
#
# FUNCTIONS
#
do_autoconf () {
case "$ACTION" in
albums|artists|songs)
;;
*)
echo "no (not a valid symlink name, please read the plugin doc)"
exit 1
;;
esac
if [ ! -x $NCBIN ] ; then
echo "no ($NCBIN: not found or not executable)"
exit 1
fi
echo version | $NCBIN -q 2 $MPDHOST $MPDPORT 1>/dev/null 2>&1
if [ "$?" != 0 ] ; then
echo "no (connection failed)"
exit 1
fi
echo "yes"
exit 0
}
#
# MAIN
#
SCRIPTNAME=${0##*/}
ACTION=${SCRIPTNAME##*_}
case "$1" in
autoconf)
do_autoconf
;;
suggest)
echo "$ACTION"
exit 0
;;
config)
echo "graph_category MPD
graph_title $ACTION in the database
graph_info Number of $ACTION in the database.
graph_vlabel $ACTION in the db
graph_args --base 1000 -l 0
graph_scale no
$ACTION.type GAUGE
$ACTION.draw LINE2
$ACTION.label $ACTION"
exit 0
;;
*)
printf "$ACTION.value "
echo stats | $NCBIN -q 2 $MPDHOST $MPDPORT | awk " /^${ACTION}/ {print \$2}"
;;
esac