August 2015
Intermediate to advanced
144 pages
2h 58m
English
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Debugging Ruby
There are two supported ways to debug Ruby code with puppetserver—ruby-debug and Pry. Both of these will implement a Read Eval Print Loop (REPL). A REPL allows you to type commands and have them evaluated in real time. When working with puppetserver, this gives you the power to inspect the puppetserver process while it is compiling a catalog or processing a report. Both ruby-debug and Pry are installed as Ruby gems. To use them with puppetserver, you have to install them by using the puppetserver gem command. I prefer to use Pry. So, I will show you how to use Pry in this example. We'll inspect calls to the hiera function by using Pry. To start, install Pry for use within puppetserver, as follows:
[root@puppet ~]# puppetserver gem ...Become 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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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.