VirtualBox and EC2 and Puppet settings in the Vagrantfile

Vagrantfile

# -*- mode: ruby -*-
# vi: set ft=ruby :
#
# $ vagrant box list 
# centos64 (aws)
# centos64 (virtualbox)
#
# VirtualBox:
#     $ vagrant up 
#
# AWS EC2:
#     $ vagrant up --provider=aws

Vagrant.configure('2') do |config|
  config.vm.box      = 'centos64'
  config.vm.hostname = 'my-dev-box'

  config.vm.network :forwarded_port, guest: 80,   host: 8080
  config.vm.network :forwarded_port, guest: 443,  host: 4343

  config.vm.provider :aws do |aws, override|
    aws.access_key_id     = ENV['AWS_ACCESS_KEY_ID']
    aws.secret_access_key = ENV['AWS_SECRET_ACCESS_KEY']
    aws.ami               = ENV['AWS_AMI_ID']
    aws.region            = 'ap-northeast-1'
    aws.availability_zone = 'ap-northeast-1c'
    aws.instance_type     = 't1.micro'
    aws.security_groups   = ['webserver']
    aws.keypair_name      = ENV['AWS_KEYPARE_NAME']

    override.ssh.username         = ENV['AWS_SSH_USERNAME'] || 'ec2-user'
    override.ssh.private_key_path = ENV['AWS_SSH_PRIVATE_KEY_PATH']
  end

  config.vm.provision :puppet do |puppet|
    puppet.options = ['--templatedir', '/vagrant/templates']
    puppet.facter = {
      'user'  => ENV['AWS_SSH_USERNAME'] || 'vagrant',
      'group' => ENV['AWS_SSH_USERNAME'] || 'vagrant'
    }
  end
end