ota_core: fix httperror handling

src/otaclient/ota_core.py

@@ -32,6 +32,7 @@
 from urllib.parse import urlparse
 
 import requests.exceptions as requests_exc
+from requests import Response
 
 from ota_metadata.legacy import parser as ota_metadata_parser
 from ota_metadata.legacy import types as ota_metadata_types
@@ -124,12 +125,15 @@ def _download_exception_handler(_fut: Future[Any]) -> bool:
     try:
         # exceptions that cannot be handled by us
         if isinstance(exc, requests_exc.HTTPError):
-            http_errcode = exc.errno
-
-            if http_errcode in [
-                HTTPStatus.FORBIDDEN,
-                HTTPStatus.UNAUTHORIZED,
-            ]:
+            _response = exc.response
+            # NOTE(20241129): if somehow HTTPError doesn't contain response,
+            #       don't do anything but let upper retry.
+            # NOTE: bool(Response) is False when status_code != 200.
+            if not isinstance(_response, Response):
+                return False
+
+            http_errcode = _response.status_code
+            if http_errcode in [HTTPStatus.FORBIDDEN, HTTPStatus.UNAUTHORIZED]:
                 raise ota_errors.UpdateRequestCookieInvalid(
                     f"download failed with critical HTTP error: {exc.errno}, {exc!r}",
                     module=__name__,
@@ -460,6 +464,16 @@ def _execute_update(self):
             _err_msg = f"metadata.jwt is invalid: {e!r}"
             logger.error(_err_msg)
             raise ota_errors.MetadataJWTInvalid(_err_msg, module=__name__) from e
+        except ota_metadata_parser.OTAImageInvalid as e:
+            _err_msg = f"OTA image is invalid: {e!r}"
+            logger.error(_err_msg)
+            raise ota_errors.OTAImageInvalid(_err_msg, module=__name__) from e
+        except ota_metadata_parser.OTARequestsAuthTokenInvalid as e:
+            _err_msg = f"OTA requests auth token is invalid: {e!r}"
+            logger.error(_err_msg)
+            raise ota_errors.UpdateRequestCookieInvalid(
+                _err_msg, module=__name__
+            ) from e
         except Exception as e:
             _err_msg = f"failed to prepare ota metafiles: {e!r}"
             logger.error(_err_msg)