Book Image

Puppet 3: Beginner's Guide

By : John Arundel
Book Image

Puppet 3: Beginner's Guide

By: John Arundel

Overview of this book

<p>Everyone's talking about Puppet, the open-source DevOps technology that lets you automate your server setups and manage websites, databases, and desktops. Puppet can build new servers in seconds, keep your systems constantly up to date, and automate daily maintenance tasks. <br /><br />"Puppet 3 Beginner's Guide" gets you up and running with Puppet straight away, with complete real world examples. Each chapter builds your skills, adding new Puppet features, always with a practical focus. You'll learn everything you need to manage your whole infrastructure with Puppet.<br /><br />"Puppet 3 Beginner’s Guide" takes you from complete beginner to confident Puppet user, through a series of clear, simple examples, with full explanations at every stage.</p> <p>Through a series of worked examples introducing Puppet to a fictional web company, you'll learn how to manage every aspect of your server setup. Switching to Puppet needn't be a big, long-term project; this book will show you how to start by bringing one small part of your systems under Puppet control and, little by little, building to the point where Puppet is managing your whole infrastructure.</p> <p>Presented in an easy-to-read guide to learning Puppet from scratch, this book explains simply and clearly all you need to know to use this essential IT power tool, all the time applying these solutions to real-world scenarios.</p>
Table of Contents (17 chapters)
Puppet 3 Beginner's Guide
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
Index

Time for action – creating a definition for Nginx websites


Previously we set up an Nginx for the cat-pictures.com site, and created a virtual host template so we could create many websites that differ only in a couple of parameters. Let's extend that a little further, and create a definition that includes everything required for an Nginx website.

Following the success of cat-pictures.com and its sister site dog-pictures.com, the creative department is building a new site where users can upload cute pictures of all kinds of animals. Your job is to use Puppet to set up a server for the new adorable-animals.com site.

  1. In your Puppet repo, create the file modules/nginx/manifests/website.pp with the following contents:

    # Manage an Nginx virtual host
    define nginx::website( $site_domain ) {
      include nginx
      $site_name = $name
      file { "/etc/nginx/sites-enabled/${site_name}.conf":
        content => template('nginx/vhost.conf.erb'),
        notify  => Service['nginx'],
      }
    }
  2. Modify your manifests/nodes...