130 lines
2.9 KiB
Perl
Executable File
130 lines
2.9 KiB
Perl
Executable File
#!/usr/bin/perl
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#
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# Copyright (C) 2006 - 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 1.0 2006/04/28 09:04:01 rodo
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# Add lower limit fixed to 0
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#
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# Revision 1.0 2006/04/26 16:04:01 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=auto
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#%# capabilities=autoconf
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use strict;
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my $MYSQLADMIN = $ENV{mysqladmin} || "mysqladmin";
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my $COMMAND = "$MYSQLADMIN $ENV{mysqlopts} extended-status";
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my $COMMANDSIZE = "$MYSQLADMIN $ENV{mysqlopts} variables";
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my %WANTED = ( "Qcache_free_memory" => "free" );
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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 ($arg eq 'autoconf') {
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unless (test_service() ) {
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print "yes\n";
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} else {
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print "no\n";
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}
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exit;
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}
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my ($free, $used) = (0,0);
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open(SERVICE, "$COMMAND |")
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or die("Could not execute '$COMMAND': $!");
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while (<SERVICE>) {
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my ($k, $v) = (m/(\w+).*?(\d+(?:\.\d+)?)/);
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next unless ($k);
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if (exists $WANTED{$k} ) {
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$free = $v;
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print("$WANTED{$k}.value $v\n");
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}
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}
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close(SERVICE);
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open(SERVICE, "$COMMANDSIZE |")
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or die("Could not execute '$COMMANDSIZE': $!");
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while (<SERVICE>) {
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my ($k, $v) = (m/(\w+).*?(\d+(?:\.\d+)?)/);
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next unless ($k);
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if ($k eq "query_cache_size" ) {
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print("used.value ",($v-$free),"\n");
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}
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}
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close(SERVICE);
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sub print_config {
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print('graph_title MySQL Queries Cache Size
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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_order used free
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graph_total Total
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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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used.label Used
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used.draw AREA
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free.label Free
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free.draw STACK
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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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