Terraform Beginners Guide

• 00-Terraform-Basics - Terraform Definitions and more

• 01-Terraform-Installation - Install Terraform

• 02-Terraform-Configuration - Configure Terraform

• 03-Terraform-Terminologies

  • Provider : Define the providers like AWS, Azure, GCP
  • Resource : Infrastructure Resources to be created, ex: VPC, S3, EC2
  • Data Sources (optional) : Pull the data from the provider
  • Variable: Give user option to enter the value for defined resources
  • Arguments : Inputs
  • Attributes : Outputs
  • Meta-Arguments : Terraform specific Inputs ex: count, for_each,depends_on

• 04-Terraform-Top-Level-Blocks - Terraform Top Level Blocks

  • Terraform Block (>0.13 version) or Terraform Settings Block or Terraform Configuration Block
  • Provider Block
  • Resource Block
  • Input Variables Block
  • Output Values Block
  • Local Values Block
  • Data Sources Block
  • Modules Block

• 05-Terraform-Commands - Basic Terraform Commands

  • terraform init
  • terraform validate
  • terraform plan
  • terraform apply or terraform apply -auto-approve
  • terraform destroy or terraform destroy -auto-approve

• 06-Terraform-VPC-Demo - Simple Demo to Create AWS VPC using Terraform

• 07-Terraform-Resources - Understanding Resource behavior

  • created
  • destroyed
  • updated

• 08-Terraform-Resource-Meta-Arguments - Terraform Meta-Arguments

  1. count
  2. for_each
  3. depends_on
  4. provider
  5. lifecycle

• 09-Terraform-Variables - Terraform Variables

  1. Terraform Variables with default Option
  2. Overriding default Variable values with -var Option
  3. Overriding default Variable values with Environment Variables Options
  4. Overriding default Variable values with terraform.tfvars file
  5. Overriding default Variable values with different .tfvars using -var-file Option
  6. Terraform Variables type list
  7. Terraform Variables type map
  8. Custom Validation Rules
  9. Sensitive Variables

• 10-Terraform-Outputs - Terraform Output Values

• 11-Terraform-Data-Sources - Terraform Data Sources

• 12-Terraform-State - Terraform State

• 13-Terraform-Show - Terraform Show (need to update)

• 14-Terraform-Refresh - Terraform Refresh Desired and Current state sync

• 15-Terraform-State-Commands - Inspect, Modify, and Manage the Terraform state

• 16-Terraform-Workspaces - Manage multiple sets of infrastructure (dev, uat, pre, and prd) with the same Terraform configuration

• 17-Terraform-Modules - Reusable terraform codes

• 18-Terraform-Import - Bring Existing Infrastructure Under IaC

• 19-Terraform-Debug - Debugging Terraform

• 20-Terraform-Exam-Cheat-Sheet - Cheat Sheet for Terraform Certification

• 99-Terraform-Example-Codes - Sample Terraform codes for more practice

Project Work and Example Codes

1. Simple EC2 Creation

2. Simple EC2 Creation Using Data Blocks

3. Static Website Using S3

4. Static Website Using S3 Multi Env

5. Create Simple Web Server (TBD)

   • AWS Components
     • EC2
     • Security Group to allow port 22
     • Security Group to allow port 80, 443
   • Use Terraform variables where ever possible.

Important Links

• Website: https://www.terraform.io
• Forums: HashiCorp Discuss
• Documentation: https://www.terraform.io/docs/