NewVolumeReactor creates a volume reactor.

ErrVersionConflict is the error returned when resource version of requested object conflicts with the object in storage.

ReactorError is an error that is returned by test reactor (=simulated etcd+/API server) when an action performed by the reactor matches given verb ("get", "update", "create", "delete" or "*"") on given resource ("persistentvolumes", "persistentvolumeclaims" or "*").

VolumeReactor is a core.Reactor that simulates etcd and API server.