raise error when failing to connect to artifact store, so we can retr…

…y the jobstep

Summary:
This should hopefully fix the issue where we post to artifact store, but changes doesn't pick up the posted artifacts.

Fixes T119685 hopefully.

Reviewers: kylec, anupc

Reviewed By: anupc

Subscribers: wwu

Maniphest Tasks: T119685

Differential Revision: https://tails.corp.dropbox.com/D234476

changes/jobs/sync_job_step.py

@@ -307,6 +307,7 @@ def _sync_from_artifact_store(jobstep):
         else:
             # Log to sentry - unable to contact artifacts store
             current_app.logger.warning('Error fetching url %s: %s', url, err, exc_info=True)
+            raise
     except Exception as err:
         current_app.logger.error('Error updating artifacts for jobstep %s: %s', jobstep, err, exc_info=True)
         raise err