vagrant/plugins/guests/ubuntu/plugin.rb

require "vagrant"

module VagrantPlugins
  module GuestUbuntu
    class Plugin < Vagrant.plugin("2")
      name "Ubuntu guest"
      description "Ubuntu guest support."

      guest("ubuntu", "debian") do
        require File.expand_path("../guest", __FILE__)
        Guest
      end

      guest_capability("ubuntu", "change_host_name") do
        require_relative "cap/change_host_name"
        Cap::ChangeHostName
      end

      guest_capability("ubuntu", "mount_virtualbox_shared_folder") do
        require_relative "cap/mount_virtualbox_shared_folder"
        Cap::MountVirtualBoxSharedFolder
      end

      #I don't know if this works or not
      #guest_capability("linux", "mount_nfs_folder") do
      #  require_relative "cap/mount_nfs"
      #  Cap::MountNFS
      #end
    end
  end
end