Vagrantfile supporting multiple providers (VirtualBox, AWS, LXC)

Vagrantfile

# -*- mode: ruby -*-
# vi: set ft=ruby :

BOX_NAME   = ENV['BOX_NAME']   || "ubuntu"
BOX_URI    = ENV['BOX_URI']    || "http://files.vagrantup.com/precise32.box"
AWS_REGION = ENV['AWS_REGION'] || "us-east-1"
AWS_AMI    = ENV['AWS_AMI']    || "ami-23d9a94a"

# Vagrantfile API/syntax version. Don't touch unless you know what you're doing!
VAGRANTFILE_API_VERSION = "2"

Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|

  config.vm.box = BOX_NAME
  config.vm.box_url = BOX_URI

  # config.vm.synced_folder "../data", "/vagrant_data"

  config.vm.provider :virtualbox do |vb|
    config.vm.box = BOX_NAME
    config.vm.box_url = BOX_URI
    #vb.customize ["modifyvm", :id, "--memory", "1024"]
  end

  config.vm.provider :aws do |aws, override|
    aws.access_key_id = ENV["AWS_ACCESS_KEY"]
    aws.secret_access_key = ENV["AWS_SECRET_KEY"]

    aws.keypair_name = "ec2"
    override.ssh.private_key_path = ENV["AWS_SSH_PRIVKEY"]

    override.ssh.username = "ubuntu"
    override.vm.box = "dummy"
    override.vm.box_url = "https://github.com/mitchellh/vagrant-aws/raw/master/dummy.box"

    aws.ami    = AWS_AMI
    aws.region = AWS_REGION
    aws.instance_type = "t1.micro"
  end

end