This setup need Kubernetes 1.8 !
The deployment use the hostPath type definition and the mount propagation features.
More information in :
https://kubernetes.io/docs/concepts/storage/volumes/#hostpath
https://kubernetes.io/docs/concepts/storage/volumes/#mount-propagation
This setup include config files inside a secret but you can use a volume.
https://kubernetes.io/docs/concepts/configuration/secret/
Just think to correctly named the nodeSelector at the end of the definition of the deployment.