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Introduction

A simple Newrelic agent which collects stats from Phusion Passenger by using the built in status commands. Build Status tested on all major C ruby versions.

Passenger Agent Installation

  1. Download the latest version
  2. Extract to the location you want to run the agent from
  3. bundle install --deployment to get the necessary gems
  4. Copy config/template_newrelic_plugin.yml to config/newrelic_plugin.yml
  5. Edit config/newrelic_plugin.yml and replace "YOUR_LICENSE_KEY_HERE" with your New Relic license key
  6. Edit config/newrelic_plugin.yml and add the full path to your passenger-status and passenger-memory-stats command as well as the version used. Make sure you determine the right version and paths, many systems have several passenger gems/packages installed.
  7. Run sudo ./newrelic_passenger_agent (passenger-memory-stats needs sudo to get the exact memory values)
  8. Setup monitoring/autostart to keep the agent running continuously

People to thank

The extraction of most values was copied from the munin-plugins-rails gem by Bart ten Brinke: https://github.com/barttenbrinke/munin-plugins-rails

The Agent was built using the example provided by newrelic: https://github.com/newrelic-platform/newrelic_example_plugin