January 2017
Beginner
206 pages
4h 33m
English
Content preview from Getting Started with TerraformBecome 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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Reprovisioning machines with null_resource
null_resource doesn't create anything. It's a container for provisioners. Because it is not directly connected to any piece of the infrastructure, it's not a big deal to destroy it in order to retrigger provisioners it has defined on.
There are two types of provisioning we are doing right now with Puppet: the one-time Puppet installation and Puppet run, which should be retriggered in case the manifest changes--imagine that repository IP changed and somehow we still don't have a proper DNS server in place.
Note
If you have Puppet Master, all of it makes zero sense: modules and manifests are stored on the master, and the Puppet agent is running as a system service and applies manifests automatically every ...
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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.