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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

Provisioning the database

Note

The code for this section is in the chap06/database directory in the GitHub repository of this book.

In the previous chapter, we provisioned a Cloud SQL instance to demonstrate the use of a remote state. We will now provision a complete database along with a user and password. Following good security practices, we use Google Cloud Secret Manager to securely store the passwords to retrieve them in the application layer.

Note

While Google Cloud Secret Manager stores the secret in an encrypted fashion, the secret remains in plaintext in the Terraform state file, so take extra care to protect the state file from unwarranted access.

So, first, we generate the root and user password using the random_password Terraform resource. Next, we store the generated passwords in the secret manager. We need to use two resources each – google_secret_manager_secret to provision the secret and google_secret_manager_secret_version to store the actual...

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