3bb4c19981
It is possible to reference undefined variable in kolla-docker module if DockerWorker object initialization fail, so the current behaviour will crash the playbook with the unwanted error message : UnboundLocalError: local variable 'dw' referenced before assignment Change-Id: Ic8d26b11f93255220888b5406f8ab4a6f81736c2 Closes-Bug: #1819361