NewRollingUpdater creates a RollingUpdater from a client.

DeleteRollingUpdateCleanupPolicy means delete the old controller.

PreserveRollingUpdateCleanupPolicy means keep the old controller.

RenameRollingUpdateCleanupPolicy means delete the old controller, and rename the new controller to the name of the old controller.

RollingUpdater provides methods for updating replicated pods in a predictable, fault-tolerant way.

RollingUpdaterConfig is the configuration for a rolling deployment process.

RollingUpdaterCleanupPolicy is a cleanup action to take after the deployment is complete.