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JavaMelody Nagios plugin

This plugin can be used to capture JavaMelody Data in Nagios

Installation

Before installation you will need to have java 1.5 or higher.

wget https://github.com/downloads/sbower/nagios_javamelody_plugin/javamelody_plugin.tar.gz
tar xzvf javamelody_plugin.tar.gz
mv javamelody_plugin/* /usr/local/nagios/libexec

Usage

Commands

First define a command in /etc/nagios/commands.cfg.

Local

Setting a command to check local heap

$ARG1$ -- warning level
$ARG2$ -- critical level
$ARG3$ -- war name (Verify this in your tomcat temp folder) 

# 'check_local_heap' command definition
define command{
        command_name    check_heap
        command_line    $USER1$/check_jmelody -r /usr/local/tomcat/temp/javamelody/$ARG3$/ -uh -w $ARG1$ -c $ARG2$
        }

Remote

# 'check_remote_heap' command definition
define command{
        command_name    check_remote_heap
        command_line    $USER1$/check_by_ssh -H $HOSTADDRESS$ -C '/usr/local/nagios/libexec/check_jmelody -r /usr/local/tomcat/temp/javamelody/$ARG3$/ -uh -w $ARG2$ -c $ARG3$'
        }

Service

Then you will need to define a service in your host definition

# Heap
define service{
        use                             remote-service,graphed-service         ; Name of service template to use
        host_name                       hostname 
        service_description             Heap
        check_command                   check_heap!6442450944!8589934592!warfile
        }

Testing

To run the tests:

$ mvn test

Contributing

  1. Fork it.
  2. Create a branch (git checkout -b nagios_javamelody_plugin)
  3. Commit your changes (git commit -am "Added Snarkdown")
  4. Push to the branch (git push origin nagios_javamelody_plugin)
  5. Create an Issue with a link to your branch
  6. Enjoy a refreshing Diet Coke and wait