Bug 1423058 - intermittent - funsize-update-generator docker image hangs while installing packages, r=jlund

MozReview-Commit-ID: COpnWQGuEeM

--HG--
extra : rebase_source : 8ada907404b7de22e7bb51d6af0e4c7230bb20b2

taskcluster/taskgraph/transforms/docker_image.py

@@ -181,6 +181,9 @@ def fill_template(config, tasks):
                 'max-run-time': 7200,
             },
         }
+        # Retry for 'funsize-update-generator' if exit status code is -1
+        if image_name in ['funsize-update-generator']:
+            taskdesc['worker']['retry-exit-status'] = -1
 
         worker = taskdesc['worker']