code: def get_aws_unique_id(timeout=DEFAULT_AWS_TIMEOUT):
      
      try:
          resp = requests.get(AWS_ID_URL, timeout=timeout).json()
      except requests.exceptions.ConnectTimeout:
          _logger.warning('Connection timeout when determining AWS unique '
                          'ID. Not using AWS unique ID.')
          return None
      else:
          aws_id = "{0}_{1}_{2}".format(resp['instanceId'], resp['region'],
                                        resp['accountId'])
          _logger.debug('Using AWS unique ID %s.', aws_id)
          return aws_id
docs: Determine the current AWS unique ID
  
      Args:
          timeout (int): How long to wait for a response from AWS metadata IP