May 2018
Intermediate to advanced
256 pages
7h 6m
English
Content preview from OpenStack for Architects - Second Edition
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Defining the first role and profile
We already have a set of host groups defined in our design document. We'll map these directly to roles in our Puppet composition layer. Each role will get its own class and file in the role Puppet module. A role comprises profiles, each of which represents a piece of OpenStack functionality. For example, the Mariadb profile will install and configure the MySQL database server for our deployment, the amqp profile will install and configure the RabbitMQ message server, and so on. Let's start by creating a Database Node role and associated profile.
As we mentioned earlier, we'll use the Packstack configuration that we created in Chapter 2, Architecting the Cloud, as a starting point for our composition layer. ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.