May 2017
Beginner
268 pages
6h 1m
English
Content preview from Puppet 4.10 Beginner's Guide - Second EditionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Node definitions, roles, and profiles
In Chapter 3, Managing your Puppet code with Git, we introduced the node keyword and explained that you can use node definitions to control which resources are applied to a given node. It's time to look at node definitions in a little more detail, and explore more sophisticated ways to organize your manifests, including roles and profiles.
Nodes
As you know, when you apply a manifest to a node, by default Puppet applies all the resources declared in the manifest. When we have more than one node, we probably want different resources applied to different nodes, so how do we do that?
The node keyword introduces a node definition, and all the resources contained in the node definition will only be applied on nodes ...
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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.