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HashiCorp Terraform Associate (003) Exam Guide

HashiCorp Terraform Associate (003) Exam Guide

By : Chandra Mohan Dhanasekaran, Manjunath H. Gowda
5 (19)
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HashiCorp Terraform Associate (003) Exam Guide

HashiCorp Terraform Associate (003) Exam Guide

5 (19)
By: Chandra Mohan Dhanasekaran, Manjunath H. Gowda

Overview of this book

This HashiCorp Terraform Associate (003) exam guide simplifies technical content relating to the exam and helps you learn using real-world examples. The book is aligned with the latest exam objectives, which enables you to streamline your learning experience instead of referring to multiple sources for preparation. Moreover, the book is designed to serve as a "one-stop solution" for readers with varied levels of experience in Terraform. You'll learn how to efficiently provision and manage cloud and on-premises infrastructure using Terraform. As you progress, you’ll focus on essential commands, state management techniques, and best practices. Later chapters will show you how to harness the power of Terraform modules for code reusability and scalability. You’ll also gain insights into advanced topics such as debugging, troubleshooting, and leveraging Terraform Cloud and Terraform Enterprise for collaborative infrastructure management. This book provides you with lifetime access to supplementary practice resources such as mock exams, flashcards, and exam tips from experts. By the end of this book, you’ll have the knowledge and skills you need to confidently tackle the Terraform Associate certification exam and excel in your career.
Table of Contents (13 chapters)
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The check {} block

Unlike the input variable validations and the custom preconditions/postconditions, check {} blocks are not tied to the resource lifecycle directly. check {} blocks are used to validate the checks for the overall configuration after the plan/apply operations.

check {} blocks can help perform the functional validation of the provisioned infrastructure after applycheck {} blocks have assert {} block inside them, which, in turn, contain the condition and error_message arguments.

Another major difference is that check {} blocks will allow the terraform plan/apply operation to go through in the case of validation failures. The error message will be written at the end if the defined condition seems to be invalid. This can also be used with data sources.

To understand this block better, we will define an AWS Simple Storage Service (S3) bucket and check the force_destroy parameter in the check {} block:

resource "aws_s3_bucket" "app_bucket...

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