May 2015
Intermediate to advanced
278 pages
5h 34m
English
Content preview from Chef Infrastructure Automation Cookbook 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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Creating custom knife plugins
Knife, the command-line client for the Chef server, has a plugin system. This plugin system enables us to extend the functionality of knife in any way we need it. The knife-ec2 plugin is a common example; it adds commands such as ec2 server create to knife.
In this section, we will create a very basic custom knife plugin to learn about all the required building blocks of knife plugins. As knife plugins are pure Ruby programs, which can use any external libraries, there are no limits for what you can make knife do. This freedom enables you to build your whole DevOps workflow on knife, if you want to.
Now, let's teach knife how to tweet your name!
Getting ready
Make sure you have a Twitter user account and created an application ...
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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.