create-self-hosted-runner-ami.yaml

name: Create Self Hosted Runner AMI

on:
    push:
        paths:
            - self-hosted-runner.tf

jobs: 
    create-self-hosted-runner-ami:
        runs-on: ubuntu-latest
        steps:
            - uses: actions/checkout@v2
            - uses: hashicorp/setup-terraform@v3

            - name: Initialize Terraform Environment
              run: |
                terraform init
            
            - name: Create PEM file
              run: |
                echo "${{ secrets.AWS_PEM_KEY }}" > ${{ secrets.AWS_KEY_NAME }}.pem
                chmod 400 ${{ secrets.AWS_KEY_NAME }}.pem
            
            - name: Apply Terraform Configuration
              run: |
                terraform apply -auto-approve -var=aws_access_key=${{ secrets.AWS_ACCESS_KEY_ID }} -var=aws_secret_key=${{ secrets.AWS_SECRET_ACCESS_KEY }} -var=aws_key_name=${{ secrets.AWS_KEY_NAME }}
            
            - name: Destroy Terraform Configuration (should retain AMI from config)
              run: |
                # Remove AMI from terraform so it does not destroy
                terraform state rm aws_ami_from_instance.self_hosted_runner_ami
                terraform destroy -auto-approve -var=aws_access_key=${{ secrets.AWS_ACCESS_KEY_ID }} -var=aws_secret_key=${{ secrets.AWS_SECRET_ACCESS_KEY }} -var=aws_key_name=${{ secrets.AWS_KEY_NAME }}