jenkins.json

{
  "variables": {
    "aws_access_key": "{{env `AWS_ACCESS_KEY`}}",
    "aws_secret_key": "{{env `AWS_SECRET_KEY`}}",
    "aws_region": "{{ env `AWS_REGION` }}"
  },
  "builders": [{
    "type": "amazon-ebs",
    "access_key": "{{user `aws_access_key`}}",
    "secret_key": "{{user `aws_secret_key`}}",
    "region": "{{user `aws_region`}}",
    "source_ami_filter": {
      "filters": {
      "virtualization-type": "hvm",
      "name": "hardened-base-*",
      "root-device-type": "ebs"
      },
      "owners": ["self"],
      "most_recent": true
    },
    "instance_type": "t2.micro",
    "ssh_username": "ubuntu",
    "ami_name": "jenkins-server-{{timestamp}}"
  }],
  "provisioners": [{
    "type": "shell",
    "inline": ["sleep 30"]
    },
    {
    "type": "ansible",
    "playbook_file": "jenkins.yml",
    "extra_arguments": ["--extra-vars", "ansible_python_interpreter=/usr/bin/python3"]
  }],
  "post-processors": [{
      "output": "manifest.json",
      "strip_path": true,
      "type": "manifest"
    }]
}