does not guarantee they will be satisfied. Both the “hard” and “soft” variants
of node affinity use the new syntax. Documentation is [here](http://kubernetes.io/docs/user-guide/node-selection/) (see section “Alpha feature in Kubernetes v1.2: Node Affinity“). Design doc is [here](https://github.com/kubernetes/kubernetes/blob/release-1.2/docs/design/nodeaffinity.md).