if 404 during discovery, raise proper error

Author: fabianvf

dynamic/discovery.py

@@ -25,7 +25,7 @@
 from urllib3.exceptions import ProtocolError, MaxRetryError
 
 from kubernetes import __version__
-from .exceptions import ResourceNotFoundError, ResourceNotUniqueError, ApiException
+from .exceptions import NotFoundError, ResourceNotFoundError, ResourceNotUniqueError, ApiException
 from .resource import Resource, ResourceList
 
 
@@ -253,8 +253,11 @@ def __search(self,  parts, resources, reqParams):
                 # Check if we've requested resources for this group
                 if not resourcePart.resources:
                     prefix, group, version = reqParams[0], reqParams[1], part
-                    resourcePart.resources = self.get_resources_for_api_version(prefix,
-                        group, part, resourcePart.preferred)
+                    try:
+                        resourcePart.resources = self.get_resources_for_api_version(prefix,
+                            group, part, resourcePart.preferred)
+                    except NotFoundError:
+                        raise ResourceNotFoundError
                     self._cache['resources'][prefix][group][version] = resourcePart
                     self.__update_cache=True
                 return self.__search(parts[1:], resourcePart.resources, reqParams)