add terraform script and workflow for create ami #1

	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: \|
	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 }}

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