tree 0047f5156e3633fb3073edfce0ae132da6f4cc81
parent 48d46eda96accf813c922dfd8d8efcf12e4f1262
author zhufl <zhu.fanglei@zte.com.cn> 1477293862 +0800
committer zhufl <zhu.fanglei@zte.com.cn> 1477293862 +0800

Use random name in volume.base.create_snapshot

This is to set random name in volume.base.create_snapshot when
no name is provided.
Besides, in volume.base.create_volume, random name should be
set only when no name is provided.

Change-Id: Ifc34633990b61928fa0769b83d18387f3647de3c