Automation with Puppet 5 at Meripustak

Automation with Puppet 5 by Yogesh Raheja, Dennis McCarthy, Wiley India

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Author(s)Yogesh Raheja, Dennis McCarthy
PublisherWiley India
Publish YearNovember 2018


Wiley India Automation with Puppet 5 by Yogesh Raheja, Dennis McCarthy

This book is based on Puppet Version 5 which contains all the major concepts of Puppet Automation in a very straightforward and easy-to-understand way. We start by building a strong foundation to get familiar with Automation and Configuration Management. For this we have presented a simple case study to prove why Automation is a must in IT. The book talks about how to setup Puppet Master on CentOS and Ubuntu (two different Linux-based Operating Systems), Setup and configure Puppet Agents/Nodes, Puppet Certification Management, Puppet Architecture. Until this level, you will be in a position to install, configure, and run your own independent Puppet environment. About the Author Yogesh Raheja is a certified DevOps and Cloud expert with a decade of IT experience. He is a Technofreak who possesses expertise in various technologies like Operating Systems, Source Code Management, Build & Release Tools, CI/CD Tools (Continuous Integration/ Deployment/Delivery), Containers (Docker, Kubernetes), Configuration Management Tools (Puppet/Chef/SaltStack/Ansible) and various public and private Clouds (AWS, Azure, GCP, and OpenStack). Dennis McCarthy is a certified Red Hat RHCSA & RHCE and Certified AWS Solutions Architect Associate. He works as a contract Linux/DevOps Engineer for large multinational banks and financial institutions. He loves automating any manual processes and using the tools that make automation possible. TABLE OF CONTENTS Preface Acknowledgments About the Authors Chapter 0 Defining IT Automation 0.1 What is “IT Automation”? Chapter 1 Introduction to Puppet 1.1 Puppet: An Introduction 1.2 Current IT Automation State 1.3 Why Configuration Management? 1.4 Why Puppet? 1.5 How Puppet Works 1.6 Puppet Dataflow Chapter 2 Understanding Puppet Framework 2.1 Simple Case Study 2.2 Puppet Way of Configuration Management 2.3 Infrastructure as Code (IaC) 2.4 Idempotency 2.5 Puppet Terminology Chapter 3 Puppet Deployment 3.1 Pre-Requisites for Puppet Master 3.2 Puppet Master Installation and Configuration 3.3 Puppet Master Configuration File and Services 3.4 Pre-Requisites for Puppet Agent 3.5 Puppet Agent Installation and Configuration 3.6 Puppet Certification Management 3.7 Puppet Architecture Chapter 4 Puppet Resources 4.1 About Puppet Resources 4.2 Resource Declaration 4.3 Resource Attributes 4.4 Puppet Code Creation Process 4.5 Multi-Resource Puppet Code 4.6 Puppet Resource Relationship (Dependency Management) Chapter 5 Puppet Classes and Manifests 5.1 About Puppet Classes 5.2 Defining and Declaring Puppet Classes 5.3 Puppet Code Syntax Checks 5.4 Puppet Manifests 5.5 site.pp File in Main Manifests 5.6 Puppet Smoke Test or Dry Run Test 5.7 Puppet Real-Time Run 5.8 Node Definitions in Puppet 5.9 Real-Time Puppet Examples Chapter 6 Puppet Variables 6.1 About Puppet Variables 6.2 Use Cases 6.3 Variable Scope 6.4 Puppet Facts 6.5 Facts in Variables 6.6 Conditionals, Case Statements, and Arrays in Puppet 6.7 Custom Facts Chapter 7 Puppet Modules 7.1 About Puppet Module 7.2 Puppet Module Tool 7.3 Puppet Module Creation Process 7.4 Module Directory Structure 7.5 First Puppet Module Run 7.6 Puppet Modules with Static Files and Variables Chapter 8 Puppet Nested Classes 8.1 Puppet Nested Classes Overview 8.2 Nested Classes Example 8.3 Class Inheritance in Puppet 8.4 Parameterized Classes in Puppet 8.5 Inheritance and Parameterized Example Chapter 9 Puppet Roles and Profiles 9.1 Introduction 9.2 Roles and Profiles Creation 9.3 Real-Time Example Chapter 10 Data Separation in Puppet 10.1 About Hiera in Puppet 10.2 Configuring Hiera 10.3 Testing and Implementing Hiera 10.4 Hiera with Custom Facts Chapter 11 Extended Puppet Concepts 11.1 Marionette Collective 11.2 Operations with Marionette Collective 11.3 Defined Resource Type Overview 11.4 ERB Template Overview 11.5 File Line 11.6 Puppet Environments Chapter 12 Puppet Forge 12.1 About Puppet Forge 12.2 Forge Utility 12.3 Puppet Module Operations Using Forge Summary Test Your Knowledge Appendix Puppet References − Foreman and YAML A.1 Foreman: An Open-Source GUI for Puppet A.2 YAML Structure