Is this a BUG REPORT or FEATURE REQUEST?:

bug

What happened:
When I described a node, I found that the value of storage.kubernetes.io/scratch is 0.

What you expected to happen:
The value of storage.kubernetes.io/scratch should be the storage size that the node could offer, like cpu or memory resource.

How to reproduce it (as minimally and precisely as possible):
In kubernetes-v1.7.0, do the following:

$ kubectl describe node SOME_NODE | grep "storage.kubernetes.io/scratch"

Anything else we need to know?:

Environment:

• Kubernetes version (use kubectl version): v1.7.0
• Cloud provider or hardware configuration**: Vultr
• OS (e.g. from /etc/os-release): ubuntu16.04
• Kernel (e.g. uname -a): 4.4.0-83-generic
• Install tools: kismatic
• Others: