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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

Developing a variable strategy

Our objective is to create GKE clusters for multiple independent environments. In our example, we provision two environments – development and production. However, we want to keep it flexible enough to provide additional environments, such as testing or staging, when required. We also want to balance flexibility with ease of use. For this, we need to decide on a variable strategy. First, we must determine which values might differ from environment to environment and which should remain the same regardless of the environment. For example, we know we want to have different values for the node pool configurations, such as the initial and maximum number of nodes, but cluster configuration attributes such as network policy and HTTP load balancing are the same regardless of the environment. Thus, we need to define variables for the node pools but not for cluster configurations.

Second, we must decide which variables to make optional and which ones...

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