Terraform Notes

Install old version

https://releases.hashicorp.com/terraform/0.12.30/

• Download darwin for MAC

• AWS IAM for Terraform requires API access only. No need for Console Access

• Create Admin group for terraform

• Save the SSH keys using lastpast Desktop. Keys dont work with Web version.

• Whenever you create new directory or a project, run terraform init.

• terraform apply

  • Diginex codes, Can you run this directly to AWS, Test space? Yes but how?

  • DONT blindly apply to your insfrastruccture. Make it a habit to run terraform plan and save it to a file. Command tf plan out filename.txt.

  • The apply the file. tf apply filename.txt

• Terraform

Terraform types

resource - AWS resource like EC2, IAM, VPC

Basics

• Variable types

  • string

  • integer

  • bool

  • list - Ordered

  • map - keypair

  • tuple - like a list but can have different variable types.

• Filenames (plural)

  • provider.tf - contains the provider like AWS but the access keys are variables

  • variables.tf - provider.tf look up at this file. ex. $vars.AWS_ACCESS_KEY

  • terraform.tfvars - Contains the actual value and will be git ingnored.

# Set as Variable

AWS_SDK_LOAD_CONFIG=1

AWS_PROFILE=devops

GotChas

• Asking for MFA but its not enabled.

  • Set the AWS_PROFILE env value/