December 2016
Intermediate to advanced
230 pages
4h 48m
English
Content preview from OpenStack Administration with Ansible 2 - 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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Automation considerations
Automating this task was pretty straightforward and did not require any new framework decisions. All the other automation decisions we reviewed were previously carried over.
There was one area worth highlighting that you may too face when automating OpenStack tasks using the CLI. The default output of the CLI is pretty-printed (using the Python prettytable module) of which at times is not so pretty when you want to sort through the output. Some CLI commands allow specific formatting, but in the event the command does not allow it, you have other options. This is where the awk command becomes your very close ally again. In the next section, you will note the specific use of the awk command to filter out the values we need ...
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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.