docs: def get_resource(url, subdomain):
      """
      Issue a GET request to IASystem with the given url
      and return a response in Collection+json format.
      :returns: http response with content in json
      """
      headers = {"Accept": "application/vnd.collection+json"}
      response = IASYSTEM_DAO().getURL(url, headers, subdomain)
  
      logger.info("%s ==status==> %s" % (url, response.status))
  
      if response.status != 200:
          logger.error("%s ==data==> %s" % (url, response.data))
          raise DataFailureException(url, response.status, response.data)
  
      return json.loads(response.data)