packer-worker.json

{
  "variables": {
    "ami_name": "15411_worker_{{isotime \"2006-01-02_15-04-05\"}}.img",
    "aws_access_key": "{{env `AWS_ACCESS_KEY`}}",
    "aws_secret_key": "{{env `AWS_SECRET_KEY`}}",
    "docker_username": "{{env `DOCKER_USERNAME`}}",
    "docker_password": "{{env `DOCKER_PASSWORD`}}",
    "github_key_source": "cmu-15-411-bot-key",
    "github_key_destination": "/home/ubuntu/github_key.pem"
  },
  "builders": [{
    "type": "amazon-ebs",
    "access_key": "{{user `aws_access_key`}}",
    "secret_key": "{{user `aws_secret_key`}}",
    "region": "us-east-1",
    "source_ami_filter": {
      "filters": {
        "virtualization-type": "hvm",
        "name": "ubuntu/images/*/ubuntu-focal-20.04-amd64-server-*",
        "root-device-type": "ebs"
      },
      "owners": ["099720109477"],
      "most_recent": true
    },
    "instance_type": "t2.large",
    "ssh_username": "ubuntu",
    "ami_description": "AMI automatically built from worker-aws repository.",
    "ami_name": "{{user `ami_name`}}",
    "tags": {
      "Name": "{{user `ami_name`}}"
    },
    "launch_block_device_mappings": [
      {
        "device_name": "/dev/sda1",
        "volume_size": 20,
        "volume_type": "gp2",
        "delete_on_termination": true
      }
    ]
  }],
  "provisioners": [
    {
      "type": "file",
      "source": "{{user `github_key_source`}}",
      "destination": "{{user `github_key_destination`}}"
    },
    {
      "type": "shell",
      "script": "./setup.sh",
      "environment_vars": [
        "GITHUB_PEM={{user `github_key_destination`}}",
        "DOCKER_USERNAME={{user `docker_username`}}",
        "DOCKER_PASSWORD={{user `docker_password`}}"
      ]
    }
  ]
}