vault.json

{
  "variables": {
    "source_image_family": "debian-9",
    "machine_type": "n1-standard-2",
    "region": "europe-west2",
    "zone": "europe-west2-b",
    "project_id": "cicd-207712"
  },
  "builders": [
    {
      "type": "googlecompute",
      "project_id": "{{user `project_id`}}",
      "account_file": "packer-svc.json",
      "machine_type": "{{user `machine_type`}}",
      "source_image_family": "{{user `source_image_family`}}",
      "source_image": "debian-9-stretch-v20180911",
      "source_image_project_id": "debian-cloud",
      "region": "{{user `region`}}",
      "zone": "{{user `zone`}}",
      "image_description": "Demo Vault Machine Image",
      "image_name": "vaultdemo-{{timestamp}}",
      "disk_size": 16,
      "disk_type": "pd-ssd",
      "ssh_username": "root"
    }
  ],
  "provisioners": [
    {
      "type": "shell",
      "inline": [
        "sleep 10",
	"apt-add-repository ppa:rquillo/ansible",
	"/usr/bin/apt-get update",
	"/usr/bin/apt-get -y install ansible"
      ]
    },
    {
      "type": "ansible-local",
      "playbook_file": "site.yml",
      "role_paths": [
	      "roles/vault"
      ]
    }
  ]
}