guochao b63d71607a Add swift ring files check in prechecks
Precheck will fail when swift ring files do not exists.

Change-Id: I20e7c9dbe527015ac2b01e85907637feb0deacbc
2017-08-22 10:55:35 +00:00
..
2017-05-16 08:54:37 +00:00
2017-07-12 01:56:12 +00:00
2016-02-29 18:23:13 +03:00
2016-01-06 14:44:14 +00:00
2016-11-22 17:41:00 +00:00
2016-02-21 10:12:58 +00:00
2016-09-13 09:26:51 +00:00