Automatic merge from submit-queue
kubectl describe node is allocatable aware
`kubectl describe node` will render node.status.allocatable if present.
in addition, it will report allocated resources relative to node.status.allocatable if present instead of capacity.
old code was confusing if you setup system-reserved and kube-reserved as allocated resource percentages were relative to node capacity and not schedulable amount of resources.
this is a small but valuable usability improvement, so i think it would be good to make 1.3 milestone.
/cc @kubernetes/sig-node @kubernetes/rh-cluster-infra @kubernetes/kubectl @davidopp
b613908cf2