▶Book Description
Puppet 5 Beginner's Guide, Third Edition gets you up and running with the very latest features of Puppet 5, including Docker containers, Hiera data, and Amazon AWS cloud orchestration. Go from beginner to confident Puppet user with a series of clear, practical examples to help you manage every aspect of your server setup.
Whether you're a developer, a system administrator, or you are simply curious about Puppet, you'll learn Puppet skills that you can put into practice right away. With practical steps giving you the key concepts you need, this book teaches you how to install packages and config files, create users, set up scheduled jobs, provision cloud instances, build containers, and so much more.
Every example in this book deals with something real and practical that you're likely to need in your work, and you'll see the complete Puppet code that makes it happen, along with step-by-step instructions for what to type and what output you'll see. All the examples are available in a GitHub repo for you to download and adapt for your own server setup.
▶What You Will Learn
- Understand the latest Puppet 5 features
- Install and set up Puppet and discover the latest and most advanced features
- Configure, build, and run containers in production using Puppet's industry-leading Docker support
- Deploy configuration files and templates at super-fast speeds and manage user accounts and access control
- Automate your IT infrastructure
- Use the latest features in Puppet 5 onward and its official modules
- Manage clouds, containers, and orchestration
- Get to know the best practices to make Puppet more reliable and increase its performance
▶About this Book
- Develop skills to run Puppet 5 on single or multiple servers without hiccups
- Use Puppet to create and manage cloud resources such as Amazon EC2 instances
- Take full advantage of powerful new features of Puppet including loops, data types, Hiera integration, and container management
▶Who This Book Is For
The main audience for this book are those who are new to Puppet, including system administrators and developers who are looking to manage computer server systems for configuration management. No prior programming or system administration experience is assumed. However, if you have used Puppet before, you'll get a thorough grounding in all the latest features and modules, and I hope you'll still find plenty of new things to learn.
▶Style and approach
This tutorial is packed with quick step-by-step instructions that are immediately applicable for beginners. This is an easy-to-read guide, to learn Puppet from scratch, that explains simply and clearly all you need to know to use this essential IT power tool, while applying these solutions to real-world scenarios.
▶What this book covers
- Chapter 1, Getting started with Puppet, introduces Puppet and gets you up and running with the Vagrant virtual machine that accompanies this book.
- Chapter 2, Creating your first manifests, shows you how Puppet works, and how to write code to manage packages, files, and services.
- Chapter 3, Managing your Puppet code with Git, introduces the Git version control tool, shows you how to create a repository to store your code, and how to distribute it to your Puppet-managed nodes.
- Chapter 4, Understanding Puppet resources, goes into more detail about the package, file, and service resources, as well as introducing resources to manage users, SSH keys, scheduled jobs, and commands.
- Chapter 5, Variables, expressions, and facts, introduces Puppet's variables, data types, expressions, and conditional statements, shows you how to get data about the node using Facter, and how to create your own custom facts.
- Chapter 6, Managing data with Hiera, explains Puppet's key-value database and how to use it to store and retrieve data, including secrets, and how to create Puppet resources from Hiera data.
- Chapter 7, Mastering modules, teaches you how to install ready-to-use modules from the Puppet Forge using the r10k tool, introduces you to four key modules including the standard library, and shows you how to build your own modules.
- Chapter 8, Classes, roles, and profiles, introduces you to classes and defined resource types, and shows you the best way to organize your Puppet code using roles and profiles.
- Chapter 9, Managing files with templates, shows you how to build complex configuration files with dynamic data using Puppet's EPP template mechanism.
- Chapter 10, Controlling containers, introduces Puppet's powerful new support for Docker containers, and shows you how to download, build, and run containers using Puppet resources.
- Chapter 11, Orchestrating cloud resources, explains how you can use Puppet to provision cloud servers on Amazon AWS, and introduces a fully-automated cloud infrastructure based on Hiera data.
- Chapter 12, Putting it all together, takes you through a complete example Puppet infrastructure that you can download and modify for your own projects, using ideas from all the previous chapters.
