Using annotations it is possible dynamically allocate storage, in this case on Gluster with Heketi.
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
name: something
annotations:
volume.beta.kubernetes.io/storage-class: gluster-heketi
spec:
accessModes:
- ReadWriteMany
resources:
requests:
storage: 10Gi
- Source(s)