Gain insights into Infrastructure as Code with Terraform, sharpen your skills, and prepare for the HashiCorp Terraform Associate certification in a cloud-agnostic way.

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This course is designed to help learners obtain the Terraform Associate certification from HashiCorp. 

You’ve likely picked up this course because you dabbled in Terraform as a hobbyist or in a
development environment, and you’re excited about the possibilities of deploying Infrastructure 
as Code (IaC). It will enable you to sharpen your skills and prove your knowledge with a certification from HashiCorp. Terraform is an amazing tool to deploy Infrastructure as Code in a cloud-agnostic way. We’re excited to share our accumulated knowledge with you through this course.

HashiCorp Terraform Certified Associate Preparation Guide

Terraform can make outputs available after a configuration has been successfully deployed. The outputs created by a root module (that’s the main configuration) are printed as part of the console output and can be queried using the `terraform output` command. Output becomes quite useful in child modules and Terraform state data sources.


# Outputs in the child module

When we invoke a child module in Terraform, we’re provided access to some attributes or resources created by that module. Outputs in the child module determine what information is available to the calling module. This means that the child module can create variables and resources however it sees fit, as long as it produces a consistent set of outputs for use by the calling module.

Prior to Terraform 0.12, outputs were limited to strings. We couldn’t pass a complex data type back as an output. This often meant using a built-in function to transform that string output to a data type as a list or map. Complex data types are now supported, meaning that we can pass an entire resource, along with all of its attributes, back as output.

# Outputs in Terraform state data sources

Terraform state can be consumed as a data source by another configuration. The attributes available from that data source are limited to what’s exposed through outputs. Imagine our network team creating a networking environment for our application team using Terraform. The application team can use the networking state file as a data source in their configuration and query for information about the target network environment. The network team can determine what information is available by creating proper outputs in their configuration.

# Create output in a configuration 
Creating output in a configuration follows a simple format. The output needs a name and value.


Learn why output values are invoked in the child module and state data sources and how they’re rendered.


Use of Output Values

Learn why output values are invoked in the child module and state data sources and how they’re rendered.

Introduction to the Course

Introduction to Infrastructure as Code

Basics of Terraform

Outside the Workflow: Using the Terraform CLI

Terraform Modules

Navigate Terraform Workflow

Implement and Maintain State

Read, Generate, and Modify Configuration

Understand Terraform Enterprise Capabilities

Conclusion

Use of Output Values

Outputs in the child module