NewExponentialBackoffManager returns a manager for managing exponential backoff.

PVWriteReadSingleNodeCheck checks that a PV retains data on a single node.

TestDynamicLateBindingProvisioning is a variant of k8s.io/kubernetes/test/e2e/storage/testsuites/provisioning.go which works with late and immediate binding and can be invoked in parallel with different IDs.

BackoffManager manages backoff with a particular scheme based on its underlying implementation.