Terraform

Description

Terraform is an infrastructure as code (IaC) software tool that allows DevOps teams to automate infrastructure provisioning using reusable, shareable.

Course Content 

1- Introduction to Terraform

• What is Terraform?
• Infrastructure as Code (IaC) concept
• Terraform’s features and benefits

Exercise:

• Install Terraform on your local machine and verify the installation.
• Create a simple Terraform configuration file and initialize a new Terraform project.

2- Getting Started with Terraform

• Installing Terraform
• Initializing a Terraform project
• Terraform configuration files (.tf files)
• Basic Terraform commands

Exercise:

• Define a provider configuration for a AWS
• Create S3 Bucket using Terraform.

3- Building Infrastructure with Terraform

• Provider and resource configuration
• Defining infrastructure resources
• Resource dependencies and ordering
• Terraform variables and data types

Exercise:

• Define dependencies between resources using Terraform.
• Use Terraform variables to parameterize your configuration.

4- Terraform State Management

• Understanding Terraform state
• Local and remote state backends
• Locking and concurrency considerations
• Managing Terraform state files

 Exercise:

• Configure a remote state back-end (S3) and store your state remotely.
• Lock and unlock Terraform state to prevent concurrent modifications.

5- Working with Modules

• Introduction to Terraform modules
• Creating and using modules
• Module variables and outputs
• Re-usability and module best practices

Exercise:

• Create a reusable module for a specific infrastructure component (AWS VPC)
• Use the created module in a different Terraform project to provision infrastructure.

6- Terraform Configuration Syntax

• HCL (HashiCorp Configuration Language) syntax
• Terraform blocks, arguments, and expressions
• Conditional expressions and loops
• Terraform functions and built-in variables

Exercise:

• Write conditional expressions in your Terraform configuration file.
• Utilize Terraform functions to perform transformations or calculations.

7- Managing Terraform Workspace

• Workspace concept and usage
• Creating and switching between workspace
• Sharing state between workspace
• Workspace considerations and limitations

Exercise:

• Create multiple workspace and switch between them for different environments (e.g., development, production).
• Share state between workspace by using data sources.

8- Terraform Plan and Apply

• Understanding the plan and apply workflow
• Generating and reviewing a Terraform execution plan
• Applying changes to infrastructure
• Destroying resources and clean up

Exercise:

• Generate a Terraform execution plan and review the proposed changes.
• Apply the changes to provision or modify infrastructure resources.

9- Terraform Provisioners and Modules

• Provisioning resources with Terraform
• Provisioner types and configuration
• Remote and local execution
• Using provisioners within modules

Exercise:

• Use provisioners to run scripts or configuration management tools on provisioned resources.
• Implement a module that incorporates provisioner to automate resource configuration.

10- Terraform Cloud and Enterprise

• Introduction to Terraform Cloud
• Terraform Cloud features and benefits
• Setting up a workspace in Terraform Cloud
• Collaboration and team workflows

Exercise:

• Set up a workspace in Terraform Cloud and link it to a version control repository.
• Configure remote execution of Terraform runs and trigger them from Terraform Cloud.

11- Troubleshooting and Debugging

• Understanding Terraform error messages
• Debugging Terraform configurations
• Troubleshooting common issues
• Working with Terraform logs and diagnostics

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