config.vm.box = 'elastic/rhel-8-x86_64'
      rpm_common config, box
    end
  end

  windows_2012r2_box = ENV['VAGRANT_WINDOWS_2012R2_BOX']
  if windows_2012r2_box && windows_2012r2_box.empty? == false
    'windows-2012r2'.tap do |box|
      config.vm.define box, define_opts do |config|
        config.vm.box = windows_2012r2_box
        windows_common config, box
      end
    end
  end