What this book covers

Chapter 1, Puppet Development in Isolation, teaches you how to set up the local Puppet development environment quickly and start experimenting with Puppet on the command line in a matter of minutes.

Chapter 2, Managing Packages in Puppet, shows you how to restore the virtual machine snapshot and set up shared folders and host-only networking to enhance the developer's experience. You can also learn how to purge a software package using Puppet.

Chapter 3, My First Puppet Module, explains the concept of Puppet modules. You will learn how to install third-party Puppet modules from Puppet Forge and how to create and use your own modules.

Chapter 4, Monitoring Your Web Server, teaches you how to use Puppet to install the Nagios monitoring server and how to add a web server to monitor using Puppet.

Chapter 5, Load Balancing the Cluster, introduces you to parameterized classes and defined types and teaches you to use these to configure load balancing in the cluster.

Chapter 6, Scaling Up the Puppet Environment, introduces you to the Puppet Master, which enables you to centrally manage a large number of Puppet Agent nodes. You will learn how to sign Puppet Agent certificates and join agents to the Puppet environment.

Chapter 7, Making the Configuration Dynamic, teaches you how to use Puppet's Exported Resources to pass Puppet resources between nodes. This chapter also introduces you to the PuppetDB queries that are used to discover services in the cluster.

Chapter 8, Extending Puppet, teaches you how to extend Puppet beyond its built-in functionality. This chapter introduces you to custom facts and functions.

Chapter 9, The Puppet Enterprise Console, explores the Puppet Enterprise Console, which is a web-based management console that runs on the Puppet Master node. In this chapter, we will learn about Role-based Access Control and how to classify nodes using the External Node Classifier.

Chapter 10, Troubleshooting Puppet, teaches you how to identify the most common issues in Puppet and how to tackle them. This chapter provides you with basic troubleshooting skills.