[MESOS-8598] Allow empty resource provider selector in `UriDiskProfileAdaptor`.

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.5.1, 1.6.0
• Component/s: storage
• Labels: mesosphere storage
• Target Version/s: 1.5.1
• Epic Link: Resource Provider and CSI Tech Debt
• Sprint: Mesosphere Sprint 75
• Story Points: 1
• Assignee: Chun-Hung Hsiao
• Reporter: Chun-Hung Hsiao
• Shepherd: Jie Yu
• Created: 20/Feb/18 18:40
• Updated: 14/Jun/18 20:08
• Resolved: 23/Feb/18 01:09

Description

Currently in UriDiskProfileAdaptor, it is invalid for a profile to have a resource provider selector with 0 resource providers. However, one can put non-existent provider types and names into the selector to achieve the same effect, and this is semantically inconsistent. We should allow an empty list of resource providers directly.