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|
#!/usr/bin/perl
#
# Copyright (C) 2007 - Rodolphe Quiedeville <rodolphe@quiedeville.org>
# Copyright (C) 2003-2004 - Andreas Buer
#
# 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
# $Log$
# Revision 1.1 2007/01/17 10:41:01 rodo
# Change incorrect family
#
# Revision 1.0 2007/01/16 15:57:01 rodo
# Created by Rodolphe Quiedeville
#
# Parameters:
#
# config
# autoconf
#
# Configuration variables
#
# mysqlopts - Options to pass to mysql
# mysqladmin - Override location of mysqladmin
#
#%# family=manual
#%# capabilities=autoconf
use strict;
# unless ($0 =~ /mysql_size(?:_([^_]+)|)_(.+)\s*$/)
# {
# die "Could not parse name $0.\n";
# }
# my $db = $2;
my $COMMAND;
my $MYSQLADMIN = $ENV{mysqladmin} || "mysql";
my %WANTED = ( "Index" => "index",
"Datas" => "datas",
);
my $arg = shift();
if ($arg eq 'config') {
print_config();
exit();
} elsif ($arg eq 'autoconf') {
unless (test_service() ) {
print "yes\n";
} else {
print "no\n";
}
exit;
}
sub getDBList;
foreach my $db (getDBList()) {
my $datas = 0;
my $indexes = 0;
my (@infos,$info,$i_data,$i_index);
$COMMAND = "$MYSQLADMIN $ENV{mysqlopts} $db -e 'show table status;' | head -n 1";
open(SERVICE, "$COMMAND |")
or die("Coult not execute '$COMMAND': $!");
while (<SERVICE>) {
(@infos) = split;
}
close(SERVICE);
my $i = 0;
foreach $info (@infos) {
$i++;
if ($info eq 'Data_length') {
$i_data = $i;
next;
}
if ($info eq 'Index_length') {
$i_index = $i;
last;
}
}
my $total_size = 0;
if ($i_data>0 && $i_index>0) {
$COMMAND = "$MYSQLADMIN $ENV{mysqlopts} $db -e 'show table status;' | cut -f $i_data,$i_index | grep -v leng";
open(SERVICE, "$COMMAND |")
or die("Coult not execute '$COMMAND': $!");
while (<SERVICE>) {
(m/(\d+).*?(\d+(?:\.\d+)?)/);
$datas += $1;
$indexes += $2;
}
close(SERVICE);
$total_size = $datas+$indexes;
}
print("$db.value $total_size\n");
# print("datas.value $datas\n");
# print("index.value $indexes\n");
}
sub print_config {
my $num = 0;
my @dbs = getDBList;
print("graph_title MySQL databases size\n");
print ('graph_args --base 1024 -l 0
graph_vlabel bytes
graph_category mysql
graph_info Plugin available at <a href="http://rodolphe.quiedeville.org/hack/munin/">http://rodolphe.quiedeville.org/hack/munin/</a>
');
for my $db (@dbs) {
my $title = "$db";
print("$title.label ${title}\n",
"$title.min 0\n",
"$title.type GAUGE\n",
"$title.draw ", ($num) ? "STACK" : "AREA" , "\n",
);
$num++;
}
}
sub test_service {
my $return = 1;
system ("$MYSQLADMIN --version >/dev/null 2>/dev/null");
if ($? == 0)
{
system ("$COMMAND >/dev/null 2>/dev/null");
if ($? == 0)
{
print "yes\n";
$return = 0;
}
else
{
print "no (could not connect to mysql)\n";
}
}
else
{
print "no (mysqladmin not found)\n";
}
exit $return;
}
sub getDBList {
my @dbs;
foreach my $f (glob("/var/lib/mysql/*")) {
if (-d $f) {
$f =~ s!.*/!!;
@dbs[$#dbs+1]=$f };
}
return @dbs;
}
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