packer.json

{
  "variables": {
    "aws_access_key": "",
    "aws_secret_key": "",
    "region": "",
    "vpc_id": "",
    "subnet_id": "",
    "security_group_ids": "",
    "source_ami": "",
    "ssh_username": "",
    "instance_type": "",
    "iam_instance_profile": "",
    "packer_profile": "packer"
  },
  "builders": [{
    "type": "amazon-ebs",
    "access_key": "{{user `aws_access_key`}}",
    "secret_key": "{{user `aws_secret_key`}}",
    "region": "{{user `region`}}",
    "source_ami": "{{user `source_ami`}}",
    "instance_type": "{{user `instance_type`}}",
    "ssh_username": "{{user `ssh_username`}}",
    "ami_name": "Foundation Image {{timestamp}}",
    "vpc_id": "{{user `vpc_id`}}",
    "iam_instance_profile": "{{user `packer_profile`}}",
    "security_group_ids": ["{{user `security_group_ids`}}"],
    "subnet_id": "{{user `subnet_id`}}",
    "tags": {"name": "Foundation Image"}
  }],
  "provisioners": [
    {
     "type": "shell",
     "execute_command": "echo 'packer' | {{ .Vars }} sudo -E -S sh '{{ .Path }}'",
     "inline": [
         "apt-get install -y software-properties-common",
         "apt-add-repository ppa:ansible/ansible -y",
         "/usr/bin/apt-get update",
         "/usr/bin/apt-get -y install ansible"
     ]
   },
   {
      "type": "ansible-local",
      "playbook_file": "foundation-playbook.yml",
      "inventory_file": "hosts"

   }

]
}