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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

Using output values

Note

The code for this section is under chap03/output in the GitHub repo of this book.

We used output values briefly but have not yet discussed them in detail. Output values expose information from Terraform. So far, we have used them to output IP addresses or other pertinent information on the command line. However, output values do more, as we see in the following chapters.

By convention, all output values are placed in a file called outputs.tf. An output block requires a label argument and an argument named value that outputs the value of an expression. The description argument is optional and is used to describe a short description of the output.

Now is also an excellent opportunity to introduce the splat expression (https://www.terraform.io/language/expressions/splat). A splat expression is a short form of a for expression and is best explained by the following example. The two highlighted code segments are equivalent. Splat expressions are useful...

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