Multi-VM Vagrantfile template w/ Docker exposed

Vagrantfile

# -*- mode: ruby -*-
# vi: set ft=ruby :
 
$script = <<SCRIPT
sudo apt-get -y install linux-image-extra-$(uname -r)
sudo sh -c "wget -qO- https://get.docker.io/gpg | apt-key add -"
sudo sh -c "echo deb http://get.docker.io/ubuntu docker main\ > /etc/apt/sources.list.d/docker.list"
sudo apt-get update
sudo apt-get -y install lxc-docker
sudo usermod -a -G docker vagrant
sudo service docker stop
sudo sed -i /etc/init/docker.conf -e 's#DOCKER_OPTS=#DOCKER_OPTS="-H tcp://0.0.0.0:2375 -H unix:///var/run/docker.sock"#'
sudo service docker start
echo "vagrant:vagrant"|chpasswd
SCRIPT
 
VAGRANTFILE_API_VERSION = "2"
 
Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
  config.vm.provision :shell, :inline => $script
  config.vm.box = "https://cloud-images.ubuntu.com/vagrant/trusty/current/trusty-server-cloudimg-amd64-vagrant-disk1.box"
  config.vm.provider "virtualbox" do |vb|
    vb.customize ["modifyvm", :id, "--natdnshostresolver1", "on"]
    vb.customize ["modifyvm", :id, "--memory", "4096"]
    vb.customize ["modifyvm", :id, "--cpus", "4"]
  end
 
  # master for development
  config.vm.define "master" do |box|
    box.vm.network "private_network", ip: "192.168.11.10"
    box.vm.synced_folder ".", "/Users/parente/projects"
    box.vm.hostname = "master"
  end
 
  # upgrade sandbox for development
  config.vm.define "upgrade" do |box|
    box.vm.network "private_network", ip: "192.168.11.11"
    box.vm.hostname = "upgrade"
  end

  # public
  config.vm.define "public" do |box|
    box.vm.network "private_network", ip: "192.168.11.12"
    box.vm.hostname = "public"
    for i in 49500..49600
      box.vm.network "forwarded_port", guest: i, host: i
    end
  end

  # clean test environment
  config.vm.define "test" do |box|    
    box.vm.network "private_network", ip: "192.168.11.13"
    box.vm.hostname = "test"
  end
end