Introduction to IaC

• What is infrastructure as code (IaC)?
• Problems IaC can solve
• Benefits of IaC
• Provisioning versus configuration
• Imperative versus declarative approach

Introduction to Terraform

• Terraform overview
• Terraform features
• IaC configuration workflow
• Terraform use cases

Using Terraform

• How to use Terraform
• Running Terraform in production
• Installing Terraform
• Authentication for Google Cloud

Objectives

Upon completion of this module, the student will be able to:

• Define infrastructure as code.
• Explain the features and benefits of using Terraform.
• Explain the use case of Terraform for Google Cloud.
• Describe how to use Terraform for Google Cloud.

The Author phase

• Terraform Directory structure
• Introduction to HCL syntax
• Resources
• Variables
• State
• Modules

Terraform commands

• terraform init
• terraform plan
• terraform apply
• terraform fmt
• terraform destroy

Terraform Validator tool

• Introduction
• Why use the Terraform Validator tool
• Validation workflow
• Terraform Validator use cases

Objectives

Upon completion of this module, the student will be able to:

• Explain the Terraform workflow.
• Create basic configuration files within Terraform.
• Explain the purpose of a few Terraform commands.
• Describe the Terraform Validator tool.
• Create, update, and destroy Google Cloud resources using Terraform.

Introduction to Resources

• Resources overview
• Syntax
• Example
• Refer a resource attribute

Considerations to define a resource block

Meta-arguments for resources

Resource dependencies

• Implicit dependency
• Explicit dependency

Introduction to Variables

• Overview
• Syntax to declare a variable
• Syntax to reference and assign a value to a variable
• Variables best practices

Introduction to output values

• Output values overview
• Best practices

Terraform Registry and CFT

• Introduction to Terraform Registry
• Introduction to CFT

Objectives

Upon completion of this module, the student will be able to:

• Declare the resources within Terraform.
• Explain implicit and explicit resource dependencies.
• Use variables and output values within the root configuration.
• Explain Terraform Registry and Cloud Foundation Toolkit.

Introduction to modules:

• Why are modules needed
• What is a module?
• Example

Reusing configurations by using modules

• Module sources
• Calling a module into the source configuration

Using variables to parameterize your configuration

Pass resource attributes using output variables

Module use cases, benefits, and best practices

Objectives

Upon completion of this module, the student will be able to:

• Define Terraform modules.
• Use modules to reuse configurations.
• Use modules from the public registry.
• Use input variables to parameterize configurations.
• Use output values to access resource attributes outside the module.

Introduction to Terraform state

• How information is stored in a Terraform state file

Ways to save a state file

Storing a state file in a Cloud Storage bucket

• Issues when storing the Terraform state locally
• Benefits of storing a state file in a Cloud Storage bucket
• Process of storing a Terraform state file remotely in a Cloud Storage bucket

Terraform state best practices

Objectives

Upon completion of this module, the student will be able to:

• Define Terraform state.
• List the benefits of storing the state file remotely.
• Explain how to store the Terraform state in a Cloud Storage bucket.
• Explain Terraform state best practices.