Munin contributed plugins

#!/usr/bin/perl

#

# Munin plugin for online users stats over a SMF forum database

#

# Copyright (C) 2013 - digger (http://simplemachines.ru)

# Based on Rowdy Schwachfer (http://rowdy.nl) 's Spotweb plugin

#

#

# 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, either version 3 of the License, or

# (at your option) any later version.

#

# 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, see <http://www.gnu.org/licenses/>.

#

#

# Configuration example

#

#[smf*]

#env.mysql               /usr/bin/mysql           # MySQL binary (optional)

#env.db                  smf                      # SMF database (required)

#env.db_prefix           smf_                     # SMF database prefix(required)

#env.db_user             myuser                   # SMF database user (required)

#env.db_password         mypassword               # SMF database password (required)

use strict;

my $MYSQL = $ENV{'mysql'} || "/usr/bin/mysql";

my $MYSQLOPTS = "-u " . $ENV{'db_user'} . " -p" . $ENV{'db_password'};

my $DATABASE = $ENV{'db'} || "smf";

my $PREFIX = $ENV{'db_prefix'} || "smf_";

# Output for config

if(defined $ARGV[0] && $ARGV[0] eq 'config') {

    print <<EOC

graph_title SMF Users Online

graph_vlabel Number of sessions

graph_category forum

guests.label Guests

graph_scale no

all.warning  1000

all.critical 10000

EOC

;

    print <<EOC

users.label Registered Users

EOC

;

    print <<EOC

spiders.label Spiders

EOC

;

    print <<EOC

all.label All

EOC

;

    exit 0;

}

#Guests count

my $guests = `$MYSQL $MYSQLOPTS -e 'SELECT COUNT(*) FROM ${DATABASE}.${PREFIX}log_online WHERE id_member = 0 AND id_spider = 0'`;

$guests =~ /(\d+)/; 

print "guests.value ".$1."\n";

#Spiders count

my $spiders = `$MYSQL $MYSQLOPTS -e 'SELECT COUNT(*) FROM ${DATABASE}.${PREFIX}log_online WHERE id_spider > 0'`;

$spiders =~ /(\d+)/; 

print "spiders.value ".$1."\n";

#Users count

my $users = `$MYSQL $MYSQLOPTS -e 'SELECT COUNT(*) FROM ${DATABASE}.${PREFIX}log_online WHERE id_member > 0'`;

$users =~/(\d+)/;

print "users.value ".$1."\n";

#All count

my $all = `$MYSQL $MYSQLOPTS -e 'SELECT COUNT(*) FROM ${DATABASE}.${PREFIX}log_online'`;

$all =~/(\d+)/;

print "all.value ".$1."\n";