gce_au_worker: Shard tests across zones to prevent from zonal outages
If for some reason an instance cannot be created in a particular zone,
try other zones (currently all in the same region) until we succeed.
TEST=trybot against lakitu-pre-cq
Commit-Ready: Daniel Wang <firstname.lastname@example.org>
Tested-by: Daniel Wang <email@example.com>
Reviewed-by: Prathmesh Prabhu <firstname.lastname@example.org>
1 file changed