June 2014
Intermediate to advanced
328 pages
7h 26m
English
Content preview from Extending PuppetBecome 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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Puppet components
Before diving into the installation and configuration details, we need to clarify and explain some Puppet terminology to get the whole picture.
Puppet features a declarative Domain Specific Language (DSL), which expresses the desired state and properties of the managed resources.
Resources can be any component of a system, for example, packages to install, services to start, files to manage, users to create, and also custom and specific resources such as MySQL grants, Apache virtual hosts, and so on.
Puppet code is written in
manifests, which are simple text files with a .pp extension. Resources can be grouped in classes (do not consider them as classes as in OOP; they aren't). Classes and all the files needed to define the required ...
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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.