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84 lines
2.9 KiB
Perl
Executable File
84 lines
2.9 KiB
Perl
Executable File
#!/usr/bin/perl
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# -*- cperl -*-
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#
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# Copyright (C) 2012, Clemens Schwaighofer
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; version 2 dated June,
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# 1991.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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# 02110-1301 USA.
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=head1 NAME
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postgres_size_detail_ - Plugin to monitor PostgreSQL database size for one database in detail (data, index, sequence, view)
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=head1 CONFIGURATION
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Configuration is done through libpq environment variables, for example
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PGUSER, PGDATABASE, etc. For more information, see L<Munin::Plugin::Pgsql>.
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To monitor a specific database, link to postgres_size_<databasename>.
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This script cannot monitor all database detail sizes at the same time, a valid database name needs to be given.
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=head1 SEE ALSO
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L<Munin::Plugin::Pgsql>
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=head1 MAGIC MARKERS
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#%# family=auto
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#%# capabilities=autoconf suggest
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=head1 AUTHOR
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Magnus Hagander <magnus@hagander.net>, Redpill Linpro AB
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=head1 COPYRIGHT/License.
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Copyright (c) 2012, Clemens Schwaighofer (gullevek@gullevek.org)
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All rights reserved. This program is free software; you can
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redistribute it and/or modify it under the terms of the GNU General
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Public License as published by the Free Software Foundation; version 2
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dated June, 1991.
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=cut
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use strict;
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use warnings;
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use Munin::Plugin::Pgsql;
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my $pg = Munin::Plugin::Pgsql->new(
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basename => 'postgres_size_detail_',
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title => 'PostgreSQL detail database size',
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info => 'Size of database in detail',
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vlabel => 'Size',
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paramdatabase => 1,
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basequery => "SELECT CASE WHEN relkind = 'r' OR relkind = 't' THEN 'db_detail_data' WHEN relkind = 'i' THEN 'db_detail_index' WHEN relkind = 'v' THEN 'db_detail_view' WHEN relkind = 'S' THEN 'db_detail_sequence' ELSE 'db_detail_other' END AS state,
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SUM(relpages::bigint * 8 * 1024) AS size
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FROM pg_class pg, pg_namespace pgn WHERE pg.relnamespace = pgn.oid AND pgn.nspname NOT IN ('information_schema', 'pg_catalog') GROUP BY state",
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configquery => [
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"VALUES ('db_detail_data','Data size'),('db_detail_index','Index size'),('db_detail_sequence','Sequence size'),('db_detail_view','View size'),('db_detail_other','Other size')",
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],
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suggestquery =>
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"SELECT datname FROM pg_database WHERE datallowconn AND NOT datistemplate AND NOT datname='postgres' UNION ALL SELECT 'ALL' ORDER BY 1 LIMIT 10",
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stack => 1,
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graphmin => 0,
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graphdraw => 'AREA',
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extraconfig => 'graph_total Total'
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);
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$pg->Process();
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