当在生产环境下使用某种服务时，相应的监控措施也应当完善起来，来检测服务是否正常和获取相关信息是很有必要的。
下面来说说使用nagios-plugins-rabbitmq来监控消息分发队列服务rabbitmq。目前提供6种检测类型：文章源自运维生存时间-https://www.ttlsa.com/database/nagios-check_rabbitmq_monitor_rabbitmq_server/
1. check_rabbitmq_aliveness 使用/api/aliveness-test API来发送/接收消息。文章源自运维生存时间-https://www.ttlsa.com/database/nagios-check_rabbitmq_monitor_rabbitmq_server/
2. check_rabbitmq_server 使用/api/nodes API来获取rabbitmq服务器节点的资源使用情况。文章源自运维生存时间-https://www.ttlsa.com/database/nagios-check_rabbitmq_monitor_rabbitmq_server/
3. check_rabbitmq_objects 使用多种API来计算统计服务器上的各种对象实例。包括vhosts、exchanges、bindings、queues 、channels。文章源自运维生存时间-https://www.ttlsa.com/database/nagios-check_rabbitmq_monitor_rabbitmq_server/
4. check_rabbitmq_overview 使用/api/overview API来收集pending、ready、unacknowledged消息。文章源自运维生存时间-https://www.ttlsa.com/database/nagios-check_rabbitmq_monitor_rabbitmq_server/
5. check_rabbitmq_queue 使用 /api/queue API来收集pending、ready、unacknowledged消息和统计一个给定的队列的消费者的数量。文章源自运维生存时间-https://www.ttlsa.com/database/nagios-check_rabbitmq_monitor_rabbitmq_server/
6. check_rabbitmq_watermark 使用/api/nodes API来确定mem_alarm是否设置为true。文章源自运维生存时间-https://www.ttlsa.com/database/nagios-check_rabbitmq_monitor_rabbitmq_server/
1. 安装Nagios::Plugin perl模块文章源自运维生存时间-https://www.ttlsa.com/database/nagios-check_rabbitmq_monitor_rabbitmq_server/
nagios-plugins-rabbitmq插件是以perl语言写的，需要安装Nagios::Plugin perl包。否则会报如下错误：文章源自运维生存时间-https://www.ttlsa.com/database/nagios-check_rabbitmq_monitor_rabbitmq_server/
Can't locate Nagios/Plugin.pm in @INC (@INC contains: /usr/lib64/perl5/site_perl/5.8.8/x86_64-linux-thread-multi /usr/lib/perl5/site_perl/5.8.8 /usr/lib/perl5/site_perl /usr/lib64/perl5/vendor_perl/5.8.8/x86_64-linux-thread-multi /usr/lib/perl5/vendor_perl/5.8.8 /usr/lib/perl5/vendor_perl /usr/lib64/perl5/5.8.8/x86_64-linux-thread-multi /usr/lib/perl5/5.8.8 .) at ./check_rabbitmq_server line 12.文章源自运维生存时间-https://www.ttlsa.com/database/nagios-check_rabbitmq_monitor_rabbitmq_server/
我这里使用cpanm来安装，参见《使用cpanm安装perl相关模块》。文章源自运维生存时间-https://www.ttlsa.com/database/nagios-check_rabbitmq_monitor_rabbitmq_server/
# cpanm Nagios::Plugin Building and testing Nagios-Plugin-0.36 ... OK Successfully installed Nagios-Plugin-0.36 39 distributions installed 提示上面的信息说明安装成功。
大家也可以自己下载源码包进行编译安装。下载地址：http://search.cpan.org/CPAN/authors/id/T/TO/TONVOON/Nagios-Plugin-0.36.tar.gz文章源自运维生存时间-https://www.ttlsa.com/database/nagios-check_rabbitmq_monitor_rabbitmq_server/
步骤如下：文章源自运维生存时间-https://www.ttlsa.com/database/nagios-check_rabbitmq_monitor_rabbitmq_server/
# wget http://search.cpan.org/CPAN/authors/id/T/TO/TONVOON/Nagios-Plugin-0.36.tar.gz # tar xvfz Nagios-Plugin-0.36.tar.gz # cd Nagios-Plugin-0.36 # perl Makefile.PL # make # make install
2. 安装依赖模块文章源自运维生存时间-https://www.ttlsa.com/database/nagios-check_rabbitmq_monitor_rabbitmq_server/
check_rabbitmq_* 如能正常使用，还需要安装下面依赖模块。文章源自运维生存时间-https://www.ttlsa.com/database/nagios-check_rabbitmq_monitor_rabbitmq_server/
# cpanm LWP JSON
否则，会报如下错误文章源自运维生存时间-https://www.ttlsa.com/database/nagios-check_rabbitmq_monitor_rabbitmq_server/
Can't locate LWP/UserAgent.pm in @INC
Can't locate JSON.pm in @INC文章源自运维生存时间-https://www.ttlsa.com/database/nagios-check_rabbitmq_monitor_rabbitmq_server/
3. 下载nagios-plugins-rabbitmq文章源自运维生存时间-https://www.ttlsa.com/database/nagios-check_rabbitmq_monitor_rabbitmq_server/
# cd /usr/local/nagios/libexec/ # wget --no-check-certificate https://github.com/jamesc/nagios-plugins-rabbitmq/archive/master.zip # unzip master # mv nagios-plugins-rabbitmq-master nagios-plugins-rabbitmq # chown -R nagios.nagios nagios-plugins-rabbitmq/
4. 举例文章源自运维生存时间-https://www.ttlsa.com/database/nagios-check_rabbitmq_monitor_rabbitmq_server/
# ./check_rabbitmq_aliveness -H 10.1.155.139 --port=15672 -u 'nagioscheck' -p 'www.ttlsa.com' RABBITMQ_ALIVENESS OK - vhost: / # ./check_rabbitmq_overview -H 10.1.155.139 --port=15672 -u 'nagioscheck' -p 'www.ttlsa.com' RABBITMQ_OVERVIEW OK - messages OK (2) messages_ready OK (2) messages_unacknowledged OK (0) | messages=2;; messages_ready=2;; messages_unacknowledged=0;; # ./check_rabbitmq_queue -H 10.1.155.139 --port=15672 -u 'nagioscheck' -p 'www.ttlsa.com' --queue=aliveness-test RABBITMQ_QUEUE OK - messages OK (0) messages_ready OK (0) messages_unacknowledged OK (0) consumers OK (0) | messages=0;; messages_ready=0;; messages_unacknowledged=0;; consumers=0;; # ./check_rabbitmq_objects -H 10.1.155.139 --port=15672 -u 'nagioscheck' -p 'www.ttlsa.com' RABBITMQ_OBJECTS OK - Gathered Object Counts | vhost=1;; exchange=15;; binding=2;; queue=1;; channel=0;;
5. 定义nagios command文章源自运维生存时间-https://www.ttlsa.com/database/nagios-check_rabbitmq_monitor_rabbitmq_server/
# vim /usr/local/nagios/etc/objects/commands.cfg
define command{
command_name check_rabbitmq_aliveness
command_line $USER1$/nagios-plugins-rabbitmq/scripts/check_rabbitmq_aliveness -H $ARG1$ --port=$ARG2$ -u $ARG3$ -p $ARG4$
}
define command{
command_name check_rabbitmq_overview
command_line $USER1$/nagios-plugins-rabbitmq/scripts/check_rabbitmq_overview -H $ARG1$ --port=$ARG2$ -u $ARG3$ -p $ARG4$
}
define command{
command_name check_rabbitmq_queue
command_line $USER1$/nagios-plugins-rabbitmq/scripts/check_rabbitmq_queue -H $ARG1$ --port=$ARG2$ -u $ARG3$ -p $ARG4$ --queue $ARG5$
}
define command{
command_name check_rabbitmq_objects
command_line $USER1$/nagios-plugins-rabbitmq/scripts/check_rabbitmq_objects -H $ARG1$ --port=$ARG2$ -u $ARG3$
}
用户名、密码可以定义到/usr/local/nagios/etc/resource.cfg 文件中，免得每次都要指定。
6. 创建rabbitmq监控项
define service{
use generic-service
host_name 121.207.22.33
service_description check_rabbitmq_aliveness
normal_check_interval 2
contact_groups admin_4
check_command check_rabbitmq_aliveness!10.1.22.33!15672!nagioscheck!www.ttlsa.com
}
define service{
use generic-service
host_name 121.207.22.33
service_description check_rabbitmq_queue
normal_check_interval 2
contact_groups admin_4
check_command check_rabbitmq_queue!10.1.22.33!15672!nagioscheck!www.ttlsa.com!aliveness-test
}
按照自己的需求，添加command和监控项。
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