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

Introducing Terraform providers

In this section, we will learn what Terraform providers are. Going further, we will try to understand Terraform providers for the major clouds, such as GCP, AWS, and Azure. Once you have an understanding of Terraform providers, we will see how you can define a Terraform providers block in your configuration code and how your Terraform configuration code downloads specific providers when you execute terraform init.

Terraform providers

You may be wondering how Terraform knows where to go and create resources in, let's say, for example, a situation where you want to deploy a virtual network resource in Azure. How will Terraform understand that it needs to go and create the resources in Azure and not in other clouds? Terraform manages to identify the Terraform provider. So, let's try to understand what the definition of a Terraform provider is:

Figure 3.1 – Terraform providers

A provider is an executable...