/usr/share/munin/plugins/pgbouncer_connections is in munin-plugins-core 2.0.25-1+deb8u3.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 | #!/usr/bin/perl
# -*- cperl -*-
#
# Copyright (C) 2010 Magnus Hagander, Redpill Linpro AB
#
# 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
pgbouncer_connections - Plugin to monitor pgbouncer connections.
=head1 CONFIGURATION
Configuration is done through libpq environment variables, for example
PGUSER, PGDATABASE, etc. For more information, see L<Munin::Plugin::Pgsql>.
=head1 SEE ALSO
L<Munin::Plugin::Pgsql>
=head1 MAGIC MARKERS
#%# family=auto
#%# capabilities=autoconf
=head1 AUTHOR
Magnus Hagander <magnus@hagander.net>, Redpill Linpro AB
=head1 COPYRIGHT/License.
Copyright (c) 2010 Magnus Hagander, Redpill Linpro AB
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 strict;
use warnings;
use Munin::Plugin::Pgsql;
my $pg = Munin::Plugin::Pgsql->new(
title => 'PgBouncer connections',
info => 'Number of connections',
vlabel => 'Connections',
defaultdb => 'pgbouncer',
basequery => "SHOW POOLS",
postprocess => \&PgBouncerPoolCounter,
configquery => "SHOW POOLS",
postconfig => \&PgBouncerPoolConfig,
);
$pg->Process();
sub PgBouncerPoolConfig {
my $pgresult = shift;
return [
["cl_active", "Active clients"],
["cl_waiting", "Waiting clients"],
["sv_active", "Active servers"],
["sv_idle", "Idle servers"],
];
}
sub PgBouncerPoolCounter {
my $pgresult = shift;
my ($cl_active, $cl_waiting, $sv_active, $sv_idle) = (0, 0, 0, 0);
foreach my $row (@$pgresult) {
$cl_active += $row->[2];
$cl_waiting += $row->[3];
$sv_active += $row->[4];
$sv_idle += $row->[5];
}
return [
['cl_active', $cl_active - 1], # Subtract our own session
['cl_waiting', $cl_waiting],
['sv_active', $sv_active],
['sv_idle', $sv_idle],
];
}
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