169 lines
3.6 KiB
Perl
Executable File
169 lines
3.6 KiB
Perl
Executable File
#!/usr/bin/perl
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#
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# Copyright (C) 2007 - Rodolphe Quiédeville <rodolphe@quiedeville.org>
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# Copyright (C) 2003-2004 - Andreas Buer
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; version 2 dated June,
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# 1991.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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#
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# $Log$
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# Revision 1.1 2007/01/17 10:41:01 rodo
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# Change incorrect family
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#
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# Revision 1.0 2007/01/16 15:57:01 rodo
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# Created by Rodolphe Quiédeville
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#
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# Parameters:
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#
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# config
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# autoconf
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#
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# Configuration variables
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#
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# mysqlopts - Options to pass to mysql
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# mysqladmin - Override location of mysqladmin
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#
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#%# family=manual
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#%# capabilities=autoconf
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use strict;
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use Munin::Plugin;
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my $COMMAND;
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my $MYSQLADMIN = $ENV{mysqladmin} || "mysql";
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my $arg = shift();
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if ($arg eq 'config') {
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print_config();
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exit();
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} elsif ($arg eq 'autoconf') {
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unless (test_service() ) {
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print "yes\n";
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} else {
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print "no\n";
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}
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exit;
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}
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sub getDBList;
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foreach my $db (getDBList()) {
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my (@infos,$info,$i_data,$i_index);
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$COMMAND = "$MYSQLADMIN $ENV{mysqlopts} $db -e 'show table status;' | head -n 1";
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open(SERVICE, "$COMMAND |")
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or die("Could not execute '$COMMAND': $!");
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while (<SERVICE>) {
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(@infos) = split;
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}
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close(SERVICE);
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my $i = 0;
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foreach $info (@infos) {
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$i++;
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if ($info eq 'Data_length') {
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$i_data = $i;
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next;
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}
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if ($info eq 'Index_length') {
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$i_index = $i;
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last;
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}
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}
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my $total_size = 0;
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if ($i_data>0 && $i_index>0) {
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$COMMAND = "$MYSQLADMIN $ENV{mysqlopts} $db -e 'show table status;' | cut -f $i_data,$i_index | grep -v leng";
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open(SERVICE, "$COMMAND |")
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or die("Could not execute '$COMMAND': $!");
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while (<SERVICE>) {
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(m/(\d+).*?(\d+(?:\.\d+)?)/);
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$total_size += $1 + $2;
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}
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close(SERVICE);
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}
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my $fieldname = clean_fieldname($db);
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print("$fieldname.value $total_size\n");
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}
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sub print_config {
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my $num = 0;
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my @dbs = getDBList;
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print("graph_title MySQL databases size\n");
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print ('graph_args --base 1024 -l 0
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graph_vlabel bytes
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graph_category db
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graph_info Plugin available at <a href="http://rodolphe.quiedeville.org/hack/munin/">http://rodolphe.quiedeville.org/hack/munin/</a>
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');
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for my $db (@dbs) {
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my $fieldname = clean_fieldname($db);
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print("$fieldname.label $db\n",
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"$fieldname.min 0\n",
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"$fieldname.type GAUGE\n",
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"$fieldname.draw AREASTACK\n",
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);
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$num++;
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}
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}
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sub test_service {
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my $return = 1;
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system ("$MYSQLADMIN --version >/dev/null 2>/dev/null");
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if ($? == 0)
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{
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system ("$COMMAND >/dev/null 2>/dev/null");
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if ($? == 0)
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{
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print "yes\n";
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$return = 0;
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}
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else
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{
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print "no (could not connect to mysql)\n";
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}
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}
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else
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{
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print "no (mysqladmin not found)\n";
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}
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exit $return;
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}
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sub getDBList {
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my @dbs;
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foreach my $f (glob("/var/lib/mysql/*")) {
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if (-d $f) {
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$f =~ s/\@002d/-/g;
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$f =~ s/\@002e/./g;
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$f =~ s!.*/!!;
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@dbs[$#dbs+1]=$f };
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}
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return @dbs;
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}
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