#!/bin/sh
#
# Plugin to monitor Alternc usage of disk space.
# 	- AlternC accounts
#	- mailboxes
#	- mysql databases
#
# Parameters:
# 	
# 	config
# 	autoconf
#
# Configuration variables
#
#	mysqlopts    - Options to pass to mysql which should include the
#  			username, password, host and alternc database.
#
# Example of the entry in plugin-conf.d/munin-node
#	[alternc*]
#	user root
#	env.mysqlopts --defaults-file=/etc/mysql/alternc.cnf
#
# $Log$
# Revision 0.1  Sat Aug  4 15:55:27 ART 2007 sebas
# On part! Ce plugin est base sur mysql_thread.
#
#
#%# family=auto
#%# capabilities=autoconf

MYSQLOPTS="$mysqlopts"
MYSQL=${mysql:-mysql}

if [ "$1" = "autoconf" ]; then
        $MYSQL --version 2>/dev/null >/dev/null
        if [ $? -eq 0 ]
        then
                $MYSQL $MYSQLOPTS -B -N -e 'SELECT size FROM size_web LIMIT 1' 2>/dev/null >/dev/null
                if [ $? -eq 0 ]
                then
                        echo yes
                        exit 0
                else
                        echo "no (could not connect to mysql)"
                fi
        else
                echo "no (mysql client not found)"
        fi
        exit 1
fi

if [ "$1" = "config" ]; then
	echo 'graph_title AlternC - disk usage'
	echo 'graph_vlabel bytes'
	echo 'graph_category alternc'
	echo 'accounts_size.label Total web disk usage'
	echo 'mailboxes_size.label Total mailboxes disk usage'
	echo 'mysqldatabases_size.label Total mysql databases disk usage'
	echo 'graph_args -l 0'
	exit 0
fi

/usr/bin/printf "accounts_size.value "
($MYSQL $MYSQLOPTS -N -B -e "SELECT SUM( size ) * 1024 FROM size_web " 2>/dev/null || echo 'U') | awk '{print $1}';

/usr/bin/printf "mailboxes_size.value "
($MYSQL $MYSQLOPTS -N -B -e "SELECT SUM( size ) * 1024 FROM size_mail " 2>/dev/null || echo 'U') | awk '{print $1}'

/usr/bin/printf "mysqldatabases_size.value "
($MYSQL $MYSQLOPTS -N -B -e "SELECT SUM( size ) FROM size_db " 2>/dev/null || echo 'U') | awk '{print $1}'