In this chapter, we covered several topics and terminologies on how to develop and maintain a code infrastructure using the DevOps style.

Bringing your OpenStack infrastructure deployment to code will not only simplify node configuration, but also improve the automation process.

You should keep in mind that DevOps is neither a project nor a goal to attend to, but it is a methodology that will make your deployment successfully empowered by the team synergy with different departments.

Despite the existence of numerous system-management tools to bring our OpenStack up and running in an automated way, we have chosen the Chef server.

Puppet, Ansible, Salt, and others can do the job but in different ways. You should know that there is no one way to perform automation.

Chef is highly flexible and rich with tools that make life easier. In a similar manner, with Vagrant and Chef plugins, we were able to bring in a test environment in a wink.

Although we deployed a basic multinode setup of OpenStack...