def get_region_from_compute_metadata()

in cvm-attestation/src/ImdsClient.py [0:0]

• 22 lines of code
• 4 McCabe index (conditional complexity)

  def get_region_from_compute_metadata(self):
    """
    Get the region from the compute metadata.

    Returns:
        str: The region string if available, otherwise None.
    """
    self.log.info("Retrieving region from compute metadata...")
    self.log.debug(f"Using metadata URL: {COMPUTE_METADATA_URL}")

    try:
      response = self._send_request_with_retries(
        method='get',
        url=COMPUTE_METADATA_URL,
        headers=METADATA_HEADERS,
        exception_class=MetadataException
      )

      location = response.text.strip()
      if location:
        return location
      else:
        self.log.error("Received empty response for compute metadata region.")
        return None

    except (requests.exceptions.RequestException, MetadataException) as e:
      self.log.error(f"Error retrieving compute metadata: {e}", exc_info=True)
      return None
    except Exception as e:
      self.log.error(f"Unexpected error retrieving region: {e}", exc_info=True)
      return None