Troubleshooting Puppet: Troubleshooting Puppet

Thomas Uphill

Aug 2015 · Packt Publishing Ltd

Ebook

144

Pages

Tools

About this ebook

Troubleshoot your Puppet infrastructure to fix problems quicklyKey Features

Book DescriptionPuppet is a configuration management system written for system administrators to manage a large number of systems efficiently and help maintain order. Deploying Puppet becomes more complex as you increase the number of nodes in your environment. The Puppet tool is an intelligent solution that increases the automation footprint for the proactive management of server infrastructures. Puppet's simple programming language is usable on most operating systems and is portable on different deployment environments. We begin by looking at the puppet.conf server configuration file, and talk about possible problems that can occur. What does puppet really do in the background and what options does it provide for troubleshooting? This is what we will explore. Moving on, we will be troubleshooting errors made in modules and templates, finding the best solutions. We will be writing code that will helping us in identify errors. Then we will explain how several ENCs do their job and how puppet communicates with them. We will learn how PuppetDB collects data generated by Puppet. It also enables advanced Puppet features like exported resources, and can be the foundation for other applications that use Puppet’s data. By the end of the book we will have learned the best debugging tips for Puppet and PuppetServer.What you will learn

Debug your Puppet infrastructure
Use APIs to ensure services are working properly
Fix catalog compilation issues
Solve problems using Hiera tool
Detect problems in your environment using PuppetDB tool
Learn ways to format code to aid in identifying errors
Troubleshoot errors in modules and templates

Who this book is for

If you are a beginner to intermediate Puppet Engineer looking for guidance to help fix problems with your Puppet deployments, this book is for you.

Troubleshoot your Puppet infrastructure to fix problems quicklyKey Features Book DescriptionPuppet is a configuration management system written for system administrators to manage a large number of systems efficiently and help maintain order. Deploying Puppet becomes more complex as you increase ...

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About the author

Thomas Uphill (https://www.linkedin.com/in/thomasuphill) is a long-time user of Puppet. He has presented Puppet tutorials at LOPSA-East, Cascada, and PuppetConf. He has also been a system administrator for over 20 years, working primarily with RedHat systems; he is currently a RedHat Certified Architect (RHCA). When not running the Puppet User Group of Seattle (PUGS), he volunteers for the LOPSA board and his local LOPSA chapter, SASAG. He blogs at http://ramblings.narrabilis.com.

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