dmtrius / docker_centos_nagios

Readme

https://github.com/paoloantinori/dockercentosnagios
https://index.docker.io/u/pantinor/centos-nagios-jmx/

description

Centos based container that provides Nagios + plugins and sample configuration and scripts to monitor Java Application Servers/Container(JBoss AS, Fuse ESB, Tomcat...) via JMX over HTTP using jolokia.

• Installs nagios through EPEL repository
• Installs perl4jmx nagios plugin to monitor JMX based java application
• Provide sample nagios checks for perl4jmx
• Installs a perl script to debug nagios custom commands

build

# you can skip this and download the image directly from Docker public registry
# https://index.docker.io/u/pantinor/centos-nagios-jmx/
docker build -t pantinor/centos-nagios-jmx .

run

docker run -i -t -p 11111:80 pantinor/centos-nagios-jmx

nagios test

curl -u nagiosadmin:nagiosadmin http://127.0.0.1:11111/nagios/
# it could be that you need to open some port on your host firewall,
# ex. 
# sudo iptables -A INPUT -p tcp  --dport 8012 -j ACCEPT

check_p4jmx test

/usr/local/bin/check_jmx4perl --user=admin --password=admin \
    -u http://172.17.42.1:8012/jolokia \
    --alias MEMORY_HEAP_USED \
    --base MEMORY_HEAP_MAX \
    --warning 80 \
    --critical 90

j4psh test

j4psh --user admin --password admin http://172.17.42.1:8012/jolokia

configuration

/etc/nagios/conf.d/commands_p4jmx.cfg
/etc/nagios/conf.d/services.cfg
/var/log/nagios/spool - working folder for check_bundle_by_name.py plugin