new_contents: import dcos
  
  
  def dcos_url():
      """Return the DCOS URL as configured in the DCOS library. This is
      equivalent to the value of '--dcos_url' passed into Shakedown on the
      command line.
      :return: DCOS cluster URL as a string
      """
      return dcos.util.get_config().get('core.dcos_url')
  
  
  def dcos_service_url(service):
      """Return the URL of a service running on DCOS, based on the value of
      shakedown.dcos.dcos_url() and the service name.
      :param service: the name of a registered DCOS service, as a string
      :return: the full DCOS service URL, as a string
      """
      return '/'.join([dcos_url(), 'service', service])
  
subject: add dcos url and service url helpers