ari-hacks / terraform-aws-automation

⚙️ Examples of provisioning AWS resources with Terraform

Automating AWS with Terraform

• Launch an ec2 instance
• Create an s3 bucket
• Create an s3 backend state
• Create an IAM group and policy
• Add users to an IAM group

External Resources

Amazon EC2 AMI Locator

Pre-requisite Setup

AWS Account - Free Tier

• Sign up for AWS Free Tier account if you do not already have one

Create an IAM user

1. Log into your root AWS account
2. Select Services > IAM
3. On the left nav bar select 'Users'
4. Select 'Add user'
5. Create a username 'terraform-admin'
6. Select AWS access type as Programmatic access (and AWS management console access to view resources on the dashboard)
7. Select Next: Permissions
8. Select Create group
9. Add a group name 'admins'
10. Check AdministratorsAccess and Create group, check group
11. Select Next: Tags
12. Select Next: Review
13. Select Create User
14. You will need the generated access key Id, and the secret access key (Download the csv provided or store these values)

AWS CLI installation

1. mac: brew install awscli | aws --version
2. windows: instructions
3. linux: instructions

AWS CLI configuration

aws credentials configured locally these credentials are stored in ~/.aws/credentials

        aws configure   
        AWS Access Key ID [None]: <access key>
        AWS Secret Access Key [None]: <secret key>
        Default region name [None]: us-east-1
        Default output format [None]: json

Terraform installation

1. mac: brew install terraform | terraform -help
2. windows: choco install terraform | terraform -help
3. linux: download | echo $PATH | mv ~/Downloads/terraform /usr/local/bin/ | terraform -help

Local Setup

clone the repo and navigate to the directory

git clone https://github.com/ari-hacks/terraform-aws-automation.git
cd terraform-aws-automation

In the terminal cd into one of the directories from the list above

Run these commands to provision with Terraform

#Initialize Terraform
terraform init

#Check the plan to make sure the configuration will do what we expect it to do
terraform plan

#Apply the execution plan and build the stack
terraform apply

#Check the resource is up
terraform state list
terraform state show 'type.name'

#Tear down all provisions
terraform destroy