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Andreas Buer/Rodolphe Quiedeville/Nathan Haneysmith 2008-07-01 01:09:27 +02:00 committed by Steve Schnepp
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commit 7445b9d473
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plugins/other/mysql_slave Executable file
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#!/usr/bin/perl
#
# Copyright (C) 2008 - Nathan Haneysmith <nathan@hjksolutions.com>
# 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 1.2 2008/06/18 Nathan Haneysmith
# Massive rewrite to check and graph MySQL Slave status
#
# 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;
my $MYSQLADMIN = $ENV{mysqladmin} || "mysql";
my $MYSQLOPTS = $ENV{mysqlopts} || "";
my %WANTED = ( "Seconds" => "seconds",
);
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;
}
my $seconds = 0;
my (@infos,$info,$i_seconds);
my $COMMAND = "$MYSQLADMIN $MYSQLOPTS -e 'show slave status;' | grep 'Slave'";
open(SERVICE, "$COMMAND |")
or die("Coult not execute '$COMMAND': $!");
while (<SERVICE>) {
(@infos) = split;
}
close(SERVICE);
my $i = 0;
foreach $info (@infos) {
$i++;
if ($info eq 'Seconds_Behind_Master') {
$i_seconds = $i;
next;
}
}
$COMMAND = "$MYSQLADMIN $MYSQLOPTS -e 'show slave status;' | cut -f $i_seconds | grep -v leng";
open(SERVICE, "$COMMAND |")
or die("Coult not execute '$COMMAND': $!");
while (<SERVICE>) {
(m/(\d+).*?(\d+(?:\.\d+)?)/);
$seconds += $1;
}
close(SERVICE);
print("seconds.value $seconds\n");
sub print_config {
print "graph_title MySQL Slave Status\n";
print "graph_args --base 1000 -l 0\n";
print "graph_vlabel Seconds\n";
print "graph_category mysql\n";
print "seconds.label Seconds behind master\n";
print "seconds.min 0\n";
print "seconds.draw LINE2\n";
print "graph_info Plugin available at <a href='http://oss.hjksolutions.com/munin/'>http://oss.hjksolutions.com/munin/</a>\n";
}
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;
}