Munin contributed plugins

#!/usr/bin/perl

# -*- cperl -*-

#

# Copyright (C) 2013 Gilles Fauvie, OPENDBTEAM.com (INTEGER S.P.R.L)

#

# 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 NAME

postgres_tuplesratio_ - Plugin to monitor PostgreSQL live/dead tuples ratio.

=head1 CONFIGURATION

Configuration is done through libpq environment variables, for example

PGUSER, PGDATABASE, etc. For more information, see L<Munin::Plugin::Pgsql>.

To monitor a specific database, link to postgres_tuplesratio_<databasename>.

To monitor all databases, link to postgres_tuplesratio_ALL.

=head1 SEE ALSO

L<Munin::Plugin::Pgsql>

=head1 MAGIC MARKERS

 #%# family=auto

 #%# capabilities=autoconf suggest

=head1 AUTHOR

Gilles Fauvie <gfauvie@opendbteam.com>, OPENDBTEAM.com (INTEGER S.P.R.L)

=head1 COPYRIGHT/License.

Copyright (c) 2013 Gilles Fauvie, OPENDBTEAM.com (INTEGER S.P.R.L)

All rights reserved. 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.

=cut

use warnings;

use strict;

use Munin::Plugin::Pgsql;

my $pg = Munin::Plugin::Pgsql->new(

    basename => 'postgres_tuplesratio_',

    title    => 'PostgreSQL tuples ratio',

    info     => 'Ratio dead/live tuples of a database',

    vlabel   => 'Nbr',

    paramdatabase => 1,

    pivotquery => 1,

    basequery =>

	"select sum(n_live_tup) as livetup, sum(n_dead_tup) as deadtup from pg_stat_user_tables",

    configquery    => "values('livetup', 'livetup'), ('deadtup', 'deadtup')",

    suggestquery =>

        "SELECT datname FROM pg_database WHERE datallowconn AND NOT datistemplate AND NOT datname='postgres' UNION ALL SELECT 'ALL' ORDER BY 1 LIMIT 10",

    graphdraw => 'AREA',

    stack     => 1

);

$pg->Process();

exit(0);

# for Munin Plugin Gallery

# graph_category db