Watcher Metering collects system metrics and publishes them to a store. To do so, it is composed of two elements:

• The Agent who collects the desired metrics and sends it to a publisher. The Agent is meant to run on each monitored host (container, VM, ...)
• The Publisher who gathers measurements from one or more agent and pushes them to the desired store. The currently supported stores are Riemann (for CEP), Ceilometer and Riemann.

This project is part of the Watcher solution. For more information on Watcher, you can also refer to its OpenStack wiki page.

You will another documentation here:

• Architecture
• Installation guide
• API
• Development guide