Shih-Hao Li 43d0482cc6 Find tier0's tranzport_zone via advanced_config
When finding the overlay transport zone of a tier0 router,
if its advanced_config already has transport_zone_id defined,
then return it directly. Otherwise search through the edge nodes
in the corresponding edge_cluster.

Change-Id: Idf1efd9d0cd2c2ef5af895d22fc156630d855488
2019-10-22 19:09:11 -07:00
..