{
    "variables": {
        "aws_access_key": "",
        "aws_secret_key": ""
    },

    "builders": [{
            "type": "amazon-ebs",
            "access_key": "{{user `aws_access_key`}}",
            "secret_key": "{{user `aws_secret_key` }}",
            "region": "us-west-2",
            "source_ami": "ami-6aad335a",
            "instance_type": "m1.small",
            "ssh_username": "ubuntu",
            "ami_name": "ubuntu 12.0.4-3.8 {{timestamp}}",
            "ami_regions": [ "us-west-1", "us-east-1" ]
            },
            {
              "type": "digitalocean",
              "image_id": "1505447",
              "size_id": "63",
              "snapshot_name": "ubuntu 3.8 {{timestamp}}"
            },
            {
              "type": "openstack",
              "username": "",
              "password": "",
              "provider": "",
              "region": "DFW",
              "ssh_username": "root",
              "image_name": "ubuntu 3.8 {{timestamp}}",
              "source_image": "23b564c9-c3e6-49f9-bc68-86c7a9ab5018",
              "flavor": "3"
            }],

    "provisioners": [{
            "type": "shell",
            "scripts": [
                "scripts/setup.sh"
            ]
    }]
}

{
    "variables": {
        "aws_access_key": "",
        "aws_secret_key": ""
    },

    "builders": [{
            "type": "amazon-ebs",
            "access_key": "{{user `aws_access_key`}}",
            "secret_key": "{{user `aws_secret_key` }}",
            "region": "us-west-2",
            "source_ami": "ami-6aad335a",
            "instance_type": "c1.medium",
            "ssh_username": "ubuntu",
            "ami_name": "ubuntu 12.0.4-3.8 {{timestamp}}",
            "ami_regions": [ "us-west-1", "us-east-1" ]
            },
            {
              "type": "digitalocean",
              "image_id": "1505447",
              "size_id": "63",
              "snapshot_name": "ubuntu 3.8 {{timestamp}}"
            },
            {
              "type": "openstack",
              "username": "",
              "password": "",
              "provider": "",
              "region": "DFW",
              "ssh_username": "root",
              "image_name": "ubuntu 3.8 {{timestamp}}",
              "source_image": "23b564c9-c3e6-49f9-bc68-86c7a9ab5018",
              "flavor": "3"
            }],

    "provisioners": [{
            "type": "shell",
            "scripts": [
                "scripts/setup.sh"
            ]
    }]
}

Use a CPU oriented build machine.
Use a CPU oriented build machine.
