Automatic merge from submit-queue (batch tested with PRs 41364, 40317, 41326, 41783, 41782)
changes to cleanup the volume plugin for recycle
**What this PR does / why we need it**:
Code cleanup. Changing from creating a new interface from the plugin, that then calls a function to recycle a volume, to adding the function to the plugin itself.
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes#26230
**Special notes for your reviewer**:
Took same approach from closed PR #28432.
Do you want the approach to be the same for NewDeleter(), NewMounter(), NewUnMounter() and should they be in this same PR or submit different PR's for those?
**Release note**:
```NONE
```
Automatic merge from submit-queue
Remove alpha provisioning
This is the first part of https://github.com/kubernetes/features/issues/36
@kubernetes/sig-storage-misc
**Release note**:
```release-note
Alpha version of dynamic volume provisioning is removed in this release. Annotation
"volume.alpha.kubernetes.io/storage-class" does not have any special meaning. A default storage class
and DefaultStorageClass admission plugin can be used to preserve similar behavior of Kubernetes cluster,
see https://kubernetes.io/docs/user-guide/persistent-volumes/#class-1 for details.
```
It's not an error when recycle/delete/provision operation cannot be started
because it has failed recently. It will be restarted automatically when
backoff expires.
Automatic merge from submit-queue (batch tested with PRs 40855, 40859)
PV binding: send an event when there are no PVs to bind
This is similar to scheduler that says "no nodes available to schedule pods"
when it can't schedule a pod.
@kubernetes/sig-storage-pr-reviews
This fix prevents the PV controller from forcefully overwriting the provisioned volume's name with the generated PV name. Instead, it allows dynamic provisioner implementers to set the name of the volume to a value that they choose.
PV controller should not use Controller.Requeue, as as it is not available in
shared informers. We need to implement our own work queues instead where we
can enqueue volumes/claims as we want.
This implements pv_controller to exponentially backoff
when deleting a volume fails in Cloud API. It ensures that
we aren't making too many calls to Cloud API
Gluster provisioner is interested in pvc.Namespace and I don't want to add
at as a new field in VolumeOptions - it would contain almost whole PVC.
Let's pass direct reference to PVC instead and let the provisioner to pick
information it is interested in.
