March 2015
Beginner
236 pages
5h 23m
English
Content preview from Learning Puppet SecurityBecome 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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The hiera-eyaml gem
The last module we're going to look at in this chapter is not a module at all. It's actually a gem that installs an extension for Hiera.
As you recall from earlier, Hiera is a hierarchical data store which allows us to separate our data from our code. For instance, it lets us move the NTP servers we're using out of the manifests.
It supports a wide variety of methods to create a hierarchy, which allows us to supplement or override configuration data needed by various modules.
In fact, several of the modules we've looked at earlier in this chapter have great Hiera bindings. Modules with strong Hiera bindings are constructed in a manner that allows the configuration of the main class to be passed in as parameters. Puppet can query ...
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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.