diff --git a/plugins/other/mysql_slave b/plugins/other/mysql_slave new file mode 100755 index 00000000..896f5800 --- /dev/null +++ b/plugins/other/mysql_slave @@ -0,0 +1,139 @@ +#!/usr/bin/perl +# +# Copyright (C) 2008 - Nathan Haneysmith +# Copyright (C) 2007 - Rodolphe Quiedeville +# 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 () { + (@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 () { + (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 http://oss.hjksolutions.com/munin/\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; +}