class Aws::EC2Metadata

def open_connection
  uri = URI.parse(@endpoint)
  http = Net::HTTP.new(uri.hostname || @endpoint, uri.port || @port)
  http.open_timeout = @http_open_timeout
  http.read_timeout = @http_read_timeout
  http.set_debug_output(@http_debug_output) if @http_debug_output
  http.start
  yield(http).tap { http.finish }
end