CleanRecoveryEtcd removes the recovery etcd static pod manifest and stops the recovery etcd container.

NewAPIServerBackend constructs a new backend to talk to the API server using the given kubeConfig.

NewEtcdBackend constructs a new etcdBackend for the given client and pathPrefix.

Recover recovers a control plane using the provided backend and kubeConfigPath, returning assets for the existing control plane and a bootstrap control plane that can be used with `bootkube start` to re-bootstrap the control plane.

StartRecoveryEtcdForBackup starts a recovery etcd container using given backup.

Backend defines an interface for any backend that can populate a controlPlane struct.