--- prelude: > The default key manager interface in Cinder was deprecated and the Castellan key manager interface library is now used instead. For more information about Castellan, please see http://docs.openstack.org/developer/castellan/ . upgrade: - If using the key manager, the configuration details should be updated to reflect the Castellan-specific configuration options. deprecations: - All barbican and keymgr config options in Cinder are now deprecated. All of these options are moved to the key_manager section for the Castellan library.