Book Image

Mastering OpenStack

By : Omar Khedher
Book Image

Mastering OpenStack

By: Omar Khedher

Overview of this book

Table of Contents (18 chapters)
Mastering OpenStack
About the Author
About the Reviewers
Extending OpenStack – Advanced Networking Features and Deploying Multi-tier Applications

Telemetry in OpenStack – Ceilometer

The telemetry module has been fully integrated since the launch of OpenStack's Grizzly release. The project named Ceilometer provides an expandable monitoring and metering platform for OpenStack.


The Ceilometer naming concept originally comes from light device technology to detect and measure the height of the cloud generally used in a plane metering system.

Ceilometer definition

Ceilometer was originally intended (due the Folsom release) to collect usage data and transform it into billable items so that the cloud operator would be able to create the customer's invoice.

The Ceilometer project has been intensively developed and has enlarged its features to cover more measurement purposes for other needs in OpenStack. The primary targets of Ceilometer can be seen as follows:

  • Customer billing

  • System infrastructure monitoring

  • System infrastructure alerting

Ceilometer glossary

It might be crucial to provide a basic understanding of the Ceilometer terminology before...