As a user I am able to configure pod/node affinity
affinity: nodeAffinity: preferredDuringSchedulingIgnoredDuringExecution: requiredDuringSchedulingIgnoredDuringExecution: podAffinity: preferredDuringSchedulingIgnoredDuringExecution: requiredDuringSchedulingIgnoredDuringExecution: podAntiAffinity: preferredDuringSchedulingIgnoredDuringExecution: requiredDuringSchedulingIgnoredDuringExecution: nodeName: nodeSelector: schedulerName tolerations"
[1] https://docs.openshift.com/container-platform/3.11/rest_api/apis-apps/v1beta1.StatefulSet.html