tree 219be05b38ed8fa20a3ac74dddfa23bb4453b86a
parent 232744fcc206f7988399c4b972cc0974d1c7f472
author zhurong <aaronzhu1121@gmail.com> 1590738984 +0800
committer zhurong <aaronzhu1121@gmail.com> 1590739237 +0800

Allow snapshot name with null

According to cinder api schema [0],
snapshot name is allow null and minLength 0.

[0]:https://github.com/openstack/cinder/blob/master/cinder/api/schemas/snapshots.py#L29

Change-Id: I0d9e07fb1249d3daaed95520a8c771c083f5d54b