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Terraform for Google Cloud Essential Guide

Terraform for Google Cloud Essential Guide

By : Bernd Nordhausen
4.7 (11)
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Terraform for Google Cloud Essential Guide

Terraform for Google Cloud Essential Guide

4.7 (11)
By: Bernd Nordhausen

Overview of this book

Google Cloud has adopted Terraform as the standard Infrastructure as Code tool. This necessitates a solid understanding of Terraform for any cloud architect or engineer working on Google Cloud. Yet no specific resources are available that focus on how to use Terraform on Google Cloud. This is the first book that teaches Terraform specifically for Google Cloud. You will take a journey from the basic concepts through to deploying complex architectures using Terraform. Using extensive code examples, you will receive guidance on how to authenticate Terraform in Google Cloud. As you advance, you’ll get to grips with all the essential concepts of the Terraform language as applied to Google Cloud and deploy complete working architectures at the push of a button. Finally, you’ll also be able to improve your Terraform workflow using Google Cloud native and third-party tools. By the end of this Terraform book, you will have gained a thorough understanding of Terraform and how to use it on Google Cloud, and be able to develop effective Terraform code, build reusable code, and utilize public domain Terraform modules to deploy on Google Cloud faster and more securely.
Table of Contents (16 chapters)
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1
Part 1: Getting Started: Learning the Fundamentals
7
Part 2: Completing the Picture: Provisioning Infrastructure on Google Cloud
11
Part 3: Wrapping It Up: Integrating Terraform with Google Cloud

Building modules

Note

The code for this section is under the chap04/local-module directory in the GitHub repo of this book.

A module in Terraform serves the same purpose as a function in traditional programming languages. A module is a self-contained chunk of code that can be called repeatedly to create cloud infrastructure. Actually, we have already created modules. The Terraform configuration we wrote and executed is known as a root module. Modules called from other modules and stored locally are also known as child modules. So the root module can call a child module, which can call other modules.

The basic structure of a module is simple. By convention, we have three files: main.tf, which contains the main code, variables.tf, which defines the variables that need to be passed to the module, and outputs.tf, which contains the information passed back to the calling module. Do remember Terraform itself only cares about file extensions, here, .tf. Thus, as far as Terraform...

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