GetCredentials retrieves credentials stored in v1.SecretReference.

GetSecretReference returns a reference to the secret specified in the given nameKey and namespaceKey parameters, or an error if the parameters are not specified correctly.

GetSnapshotContentNameForSnapshot returns SnapshotContent.Name for the create VolumeSnapshotContent.

IsDefaultAnnotation returns a boolean if the annotation is set.

NewCSISnapshotController returns a new *csiSnapshotController.

Returns 0 for resyncPeriod in case resyncing is not needed.

Handler is responsible for handling VolumeSnapshot events from informer.