Munin contributed plugins

#!/usr/bin/perl

#

# Munin plugin for the average filesize of the spots by categories in a MySQL database

#

# Copyright (C) 2011 - Rowdy Schwachofer (http://rowdy.nl)

#

# Spotweb       : http://github.com/spotweb/spotweb

#

# 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

#

# [spotweb*]

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

# env.mysqlopts -u <MYSQL_USERNAME> -p<MYSQL_PASSWORD>   # How to connect to the database (optional if no password is set)

# env.database spotweb                                   # Spotweb database (optional)

#

# [spotweb_catsize_average]

# env.period 1800                                        # The period over which to check in seconds, default to 30 minutes (1800 seconds)

# env.countporn 'no'                                     # Also count porn? Default is 'yes'

#

use strict;

# Environment variables

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

my $MYSQLOPTS  = $ENV{mysqlopts}  || "";

my $DATABASE   = $ENV{database}   || "spotweb";

my $PERIOD     = $ENV{period}     || 1800;

my $COUNTPORN 	= $ENV{countporn} || "yes";

# Local variables

my $FROMSTAMP  = time - $PERIOD;

my $TITLE      = "Spotweb filesize by Category (".($PERIOD / 60)." minute average)";

# Output for config

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

    print <<EOC

graph_title $TITLE

graph_vlabel Size

graph_category other

cat0.label Videos/images

cat0.colour 008edf

cat1.label Music

cat1.colour e9a213

cat2.label Games

cat2.colour 00de00

cat3.label Applications

cat3.colour de2500

EOC

;

    exit 0;

}

# Output of values. We just call a subroutine here to prevent much duplicate code

if($COUNTPORN eq 'yes') { 

    &print_value(0);

}

else { 

# 11-04-2011 - New pr0n filters

#   &print_value(0, " AND subcatd NOT LIKE '%23%' AND subcatd NOT LIKE '%24%' AND subcatd NOT LIKE '%25%' AND subcatd NOT LIKE '%26%'");

    &print_value(0, " AND (subcatz IS NULL OR subcatz NOT LIKE '%4%') AND subcatd NOT LIKE '%23%' AND subcatd NOT LIKE '%24%' AND subcatd NOT LIKE '%25%' AND subcatd NOT LIKE '%26%' AND subcatd NOT LIKE '%72%' AND subcatd NOT LIKE '%73%' AND subcatd NOT LIKE '%74%' AND subcatd NOT LIKE '%75%' AND subcatd NOT LIKE '%76%' AND subcatd NOT LIKE '%77%' AND subcatd NOT LIKE '%78%' AND subcatd NOT LIKE '%79%' AND subcatd NOT LIKE '%80%' AND subcatd NOT LIKE '%81%' AND subcatd NOT LIKE '%82%' AND subcatd NOT LIKE '%83%' AND subcatd NOT LIKE '%84%' AND subcatd NOT LIKE '%85%' AND subcatd NOT LIKE '%86%' AND subcatd NOT LIKE '%87%' AND subcatd NOT LIKE '%88%' AND subcatd NOT LIKE '%88%' AND subcatd NOT LIKE '%89%'"); 

}

&print_value(1);

&print_value(2);

&print_value(3);

# Subroutine to print the values

sub print_value {

    my $spots = `$MYSQL $MYSQLOPTS -e "SELECT sum(filesize) AS size_mb FROM $DATABASE.spots WHERE stamp > $FROMSTAMP AND category = $_[0]$_[1];"`;

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

    if($1 eq '') {

        print "cat".$_[0].".value 0\n";

    }

    else {

        print "cat".$_[0].".value ".$1."\n"; 

    }

}