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selenium-nagios-plugin

A simple Nagios Plugin which starts a Selenium Script. It may help to monitor web applications which do not provide an API.

exensio GmbH Blog

This repositroy is created for the blogpost: Nagios Monitoring von Webanwendungen mit Selenium

Requirements

The plugin relies on Selenium Grid and SeInterpreter. It expects a Selenium Grid hub which can run on a remote host or on localhost. Furthermore, it requires Java RE installed and the JAR file of SeInterpreter available on localhost.

Installation

The installation and configuration of the plugin is very simple.

  1. Download, unzip and copy the script check_website_by_selenium.sh to your Nagios plugin location (see USER2 in the Nagios documentation)
  2. Adapt the path to both, JRE and SeInterpreter according to your needs, see section Default options in the script

The Plugin can be used with Nagios/Thruk/Icinga.

Command Line Usage

./check_website_by_selenium.sh -s demo.json

Nagios Plugin Configuration

My commands.cfg looks like this:

define command {
  command_name                   check_website_by_selenium
  command_line                   $USER2$/check_website_by_selenium.sh -s $ARG1$ -h $ARG2$ -b $ARG3$ -v $ARG4$
}

And my services.cfg looks like this:

define service {
  service_description            check_website_by_selenium_demo
  host_name                      demo_host
  use                            check_mk_active
  check_command                  check_website_by_selenium!/tmp/demo.json
}