I'm trying to use existing NFS with StateFulSets.
Creation of PresistentVolumeClaim seems automatic using the volumeClaimTemplates.
Problem:
But, since the PresistentVolumeClaim claims a entire PresistentVolume. I have to create PresistentVolume manually for all the replicas.
Is there a way to dynamically provision NFS persistent volumes in Kubernetes ?
Note: NFS Server itself is static, just need to create volumes in K8s dynamically, not the NFS Server itslef.
I'm using mongo statefulset example:
---
apiVersion: v1
kind: Service
metadata:
name: mongo
labels:
name: mongo
spec:
ports:
- port: 27017
targetPort: 27017
clusterIP: None
selector:
role: mongo
---
apiVersion: apps/v1beta1
kind: StatefulSet
metadata:
name: mongo
spec:
serviceName: "mongo"
replicas: 3
template:
metadata:
labels:
role: mongo
spec:
terminationGracePeriodSeconds: 10
containers:
- name: mongo
image: mongo
command:
- mongod
- "--replSet"
- rs0
- "--smallfiles"
- "--noprealloc"
ports:
- containerPort: 27017
volumeMounts:
- name: mongo-data
mountPath: /data/db
- name: mongo-sidecar
image: cvallance/mongo-k8s-sidecar
env:
- name: MONGO_SIDECAR_POD_LABELS
value: "role=mongo"
volumeClaimTemplates:
- metadata:
name: data
spec:
accessModes:
- ReadWriteMany
resources:
requests:
storage: 5Gi
selector:
matchLabels:
type: nfs
It needs 3 PresistentVolumeClaim, so I have to create 3 PV for it to use. Can this be dynamically added in the NFS like other dynamic provisioners like aws-ebs
Is this the proper way to get a StatefulSet with NFS Persistent Volume.
