Currently, we are looking up the worker_zone for the log streaming from
the BuildRequest's path in ZooKeeper. This is a problem for unzoned
builds as those builds don't provide a zone information in their path
(zone=None).
Due to this, the log streaming won't use the FingerGateways and instead
always falls back to use the direct connection to the executor. This
works as long as the executor is located in the same region as zuul-web,
but in other cases the log streaming is broken.
To fix this, the executor will now store its zone information in the
worker_info of the BuildRequest when accepting the BuildRequest. In
the streamer_utils library we will use this zone information instead of
the zone from the ZooKeeper path.
Co-Authored-By: Simon Westphahl <simon.westphahl@bmw.de>
Change-Id: I63b148fa29e05157fce032d0f41b909da8a11e87
8db6b6113a