Book Image

HashiCorp Infrastructure Automation Certification Guide

By : Ravi Mishra
Book Image

HashiCorp Infrastructure Automation Certification Guide

By: Ravi Mishra

Overview of this book

Terraform is a highly sought-after technology for orchestrating infrastructure provisioning. This book is a complete reference guide to enhancing your infrastructure automation skills, offering up-to-date coverage of the HashiCorp infrastructure automation certification exam. This book is written in a clear and practical way with self-assessment questions and mock exams that will help you from a HashiCorp infrastructure automation certification exam perspective. This book covers end-to-end activities with Terraform, such as installation, writing its configuration file, Terraform modules, backend configurations, data sources, and infrastructure provisioning. You'll also get to grips with complex enterprise infrastructures and discover how to create thousands of resources with a single click. As you advance, you'll get a clear understanding of maintaining infrastructure as code (IaC) in Repo/GitHub, along with learning how to create, modify, and remove infrastructure resources as and when needed. Finally, you'll learn about Terraform Cloud and Enterprise and their enhanced features. By the end of this book, you'll have a handy, up-to-date desktop reference guide along with everything you need to pass the HashiCorp Certified: Terraform Associate exam with confidence.
Table of Contents (17 chapters)
1
Section 1: The Basics
4
Section 2: Core Concepts
10
Section 3: Managing Infrastructure with Terraform
14
Chapter 11: Terraform Glossary

Understanding Terraform configuration files

We keep mentioning Terraform configuration files throughout the book but so far we haven't had a chance to discuss this in detail. We will get a thorough understanding of Terraform configuration files in this chapter.

A Terraform configuration file is a well-defined and structured file written in the Terraform language that tells Terraform how to manage the complete infrastructure. A Terraform configuration file can have one or more files and directories.

A Terraform configuration file can be written in two formats. A Terraform configuration file written with HashiCorp configuration language is the recommended approach for the writing configuration files and it ends with a file extension, that is, .tf. There is one more way of writing a Terraform configuration file, which ends with .tf.json. The configuration files that end with .tf are human-readable and the JSON format is machine-readable. Every cloud provider, such as AWS...