AWS server setup with terraform

The purpose of this documentation is to automate your AWS cloud infrastructure.

Requirements:

• AWS account setup
• Windows or Linux machine with VSCode

Step 1 - Intall Terraform

Ubuntu:

Please run following commands to setup.

wget -O- https://apt.releases.hashicorp.com/gpg | gpg --dearmor | sudo tee /usr/share/keyrings/hashicorp-archive-keyring.gpg
echo "deb [signed-by=/usr/share/keyrings/hashicorp-archive-keyring.gpg] https://apt.releases.hashicorp.com $(lsb_release -cs) main" | sudo tee /etc/apt/sources.list.d/hashicorp.list
sudo apt update && sudo apt install terraform

Windows:

• Download latest version of Terraform - https://www.terraform.io/downloads
• Unzip and Copy terraform.exe
• Create new Folder in C:\Terraform and paste the file.
• Edit Environment variables via adding new Path value as C:\Terraform in System variables

Testing:

Run the following command to test if its installed correctly:

terraform -v

Step 2 - Setup VSCode

Install extentions:

• Terraform
• AWS Toolkit

Step 3 - Read documentation for example provided by Terraform

https://registry.terraform.io/providers/hashicorp/aws/latest/docs

Step 4 - Create Project and Connect to AWS

Create AWS shared credentials in VScode

• Press Cntl+Shft+p in VSCode and Select AWS: Crete Credentials Profile
  • Enter aws_access_key_id and aws_secret_access_key (from your AWS account)
  • Update default name to USER NAME of AWS account.

Install and Configure AWS Provider

Install and Configure AWS Provider:

• Create new folder Terraform and open it in VSCode
• Create new file providers.tf with following code

# Install AWS Provider
terraform {
  required_providers {
    aws = {
      source  = "hashicorp/aws"
      version = "~> 4.0"
    }
  }
}

# Configure the AWS Provider
provider "aws" {
  region = "us-east-1"
  shared_config_files      = ["~/.aws/config"]
  shared_credentials_files = ["~/.aws/credentials"]
  profile                  = "User Name"
}

• Run command: terraform init.

Add required configration

Please see:

• providers.tf
• main.tf
• variables.tf
• output.tf

Step 5 - Format and Validate

Run the following commands:

terraform fmt
terraform validate

Step 6 - Create AWS Resources

Run the following commands:

# terraform apply
terraform apply -auto-approve

# Apply complete! Resources: 1 added, 0 changed, 0 destroyed.

or with custom name for EC2

terraform apply -var "instance_name=devEC2Instance" -auto-approve

# Apply complete! Resources: 1 added, 0 changed, 0 destroyed.

Step 7 - Teardown

Run the following command to teardown all resources created within this project

terraform destroy -auto-approve

# Destroy complete! Resources: 1 destroyed.