packer.json

{
  "variables": {
    "aws_access_key": "{{env `AWS_ACCESS_KEY_ID`}}",
    "aws_secret_key": "{{env `AWS_SECRET_ACCESS_KEY`}}",
    "owner" : "{{env `OWNER`}}"
  },
  "builders": [{
    "access_key": "{{user `aws_access_key`}}",
    "secret_key": "{{user `aws_secret_key`}}",
    "ami_name": "bryan-k3s-server-{{timestamp}}",
    "instance_type": "t3.large",
    "region": "me-south-1",
    "source_ami_filter": {
      "filters": {
        "virtualization-type": "hvm",
        "name": "ubuntu/images/hvm-ssd/ubuntu-focal-20.04-amd64-server-20200625",
        "root-device-type": "ebs"
      },
      "owners": ["099720109477"],
      "most_recent": true
    },
    "ssh_username": "ubuntu",
    "type": "amazon-ebs",
    "run_tags" : {
      "owner" : "{{user `owner`}}",
      "type" : "k3s-server"
    },
    "run_volume_tags" : {
      "owner" : "{{user `owner`}}",
      "type" : "k3s-server"
    }
  }],
  "provisioners": [{
    "type": "file",
    "source": "./provision.sh",
    "destination": "/home/ubuntu/"
  },
  {
    "type": "shell",
    "inline": ["/home/ubuntu/provision.sh"]
  },
  {
    "type": "file",
    "source": "/home/ubuntu/token",
    "destination": "/output/token",
    "direction": "download"        
  },
  {
    "type": "file",
    "source": "/etc/rancher/k3s/k3s.yaml",
    "destination": "/output/k3s.yaml",
    "direction": "download"        
  }]
}