storageclass:microk8s-hostpath reclaim policy change

[balasu]

Hi
Currently storageClass=microk8s-hostpath has a reclaimpolicy of delete, if any add-on is using it and when someone accidentally do disable and enable the storageclass, pvc connected to the storageclass will lose data. or if the add-on has explicitly call the storage add-on from its script, if user disable/enable their add-on, pvc is lost.

root@localhost:~# microk8s kubectl describe sc
Name:            microk8s-hostpath
IsDefaultClass:  Yes
Annotations:     kubectl.kubernetes.io/last-applied-configuration={"apiVersion":"storage.k8s.io/v1","kind":"StorageClass","metadata":{"annotations":{"storageclass.kubernetes.io/is-default-class":"true"},"name":"microk8s-hostpath"},"provisioner":"microk8s.io/hostpath"}
,storageclass.kubernetes.io/is-default-class=true
Provisioner:           microk8s.io/hostpath
Parameters:            <none>
AllowVolumeExpansion:  <unset>
MountOptions:          <none>
ReclaimPolicy:         Delete
VolumeBindingMode:     Immediate
Events:                <none>

kindly change to ReclaimPolicy: Retain