    # File lib/fog/libvirt/models/compute/util/util.rb, line 20
          def to_xml template_name = nil
            # figure out our ERB template filename
            erb = template_name || self.class.to_s.split("::").last.downcase
            path     = File.join(File.dirname(__FILE__), "..", "templates", "#{erb}.xml.erb")
            template = File.read(path)
            ERB.new(template, nil, '-').result(binding)
          end