February 2018
Intermediate to advanced
200 pages
5h 51m
English
Content preview from Ansible 2 Cloud Automation Cookbook
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Autoscaling using Callback
So far, we have looked at methods where we have invoked the templates manually. However, in a cloud infrastructure, we often scale infrastructure dynamically. As a result, executing jobs manually can be time-consuming. Ansible Tower provides us a way so that instances can call the jobs themselves without actually using the password. The concept where an instance calls up a job is called a Callback, so let's go ahead and create a Callback URL.
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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.