mysql高可用之MHA--邮件报警
Posted John_2011
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当mha进行failover 完成或由于错误停止时,我们可以使用send_report以邮件报警的方式来获得failover报告,以便我们及时了解现在的数据库状态。
首先需要修改脚本:
- [root@rd-mysql-test4 mha]# cat /usr/local/bin/send_report
- #!/usr/bin/perl
- # Copyright (C) 2011 DeNA Co.,Ltd.
- #
- # 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; either version 2 of the License, or
- # (at your option) any later version.
- #
- # 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.,
- # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- ## Note: This is a sample script and is not complete. Modify the script based on your environment.
- use strict;
- use warnings FATAL => \'all\';
- use Mail::Sender;
- use Getopt::Long;
- #new_master_host and new_slave_hosts are set only when recovering master succeeded
- my ( $dead_master_host, $new_master_host, $new_slave_hosts, $subject, $body );
- my $smtp=\'smtp.163.com\';
- my $mail_from=\'from@163.com\';
- my $mail_user=\'from@163.com\';
- my $mail_pass=\'password\';
- #my $mail_to=[\'to1@qq.com\',\'to2@qq.com\'];
- my $mail_to=\'to@qq.com\';
- GetOptions(
- \'orig_master_host=s\' => \\$dead_master_host,
- \'new_master_host=s\' => \\$new_master_host,
- \'new_slave_hosts=s\' => \\$new_slave_hosts,
- \'subject=s\' => \\$subject,
- \'body=s\' => \\$body,
- );
- # Do whatever you want here
- mailToContacts($smtp,$mail_from,$mail_user,$mail_pass,$mail_to,$subject,$body);
- sub mailToContacts {
- my ($smtp, $mail_from, $mail_user, $mail_pass, $mail_to, $subject, $msg ) = @_;
- open my $DEBUG, ">/var/log/masterha/app1/mail.log"
- or die "Can\'t open the debug file:$!\\n";
- my $sender = new Mail::Sender {
- ctype => \'text/plain;charset=utf-8\',
- encoding => \'utf-8\',
- smtp => $smtp,
- from => $mail_from,
- auth => \'LOGIN\',
- TLS_allowed => \'0\',
- authid => $mail_user,
- authpwd => $mail_pass,
- to => $mail_to,
- subject => $subject,
- debug => $DEBUG
- };
- $sender->MailMsg(
- {
- msg => $msg,
- debug => $DEBUG
- }
- ) or print $Mail::Sender::Error;
- return 1;
- }
- exit 0;
然后修改配置文件,只需添加report_script即可
[html] view plain
- [server default]
- manager_log=/var/log/masterha/app1/manager.log
- manager_workdir=/var/log/masterha/app1
- master_binlog_dir=/data/mysql
- master_ip_failover_script=/usr/local/bin/master_ip_failover
- master_ip_online_change_script=/usr/local/bin/master_ip_online_change
- MySQL高可用之MHA—MHA介绍