Q.hongtao 8f0ffc6e7a Add nova_client's region option
Uniform region opt format, and I only add region opt to nova_client.
In many regions I find the error which should call region one, but
call region second, it is confused.

Change-Id: I642668d970f276a14692898acc628357aeaa4493
2020-04-01 15:56:49 +08:00
..
2016-10-05 19:23:15 +05:30