--- feature: - | [`bug 1473292 `_] As trusts created by user are stored in database resulting it to grow larger as trusts that are expired and soft deleted non-expired are not automatically purged by keystone.Thus this implements TrustFlush via keystone-manage to delete expired and soft deleted non-expired trusts. Command: $ keystone-manage trust-flush [Options] Options (optional): --project-id : To purge trusts of given project-id. --trustor-user-id : To purge trusts of given trustor-id. --trustee-user-id : To purge trusts of given trustee-id. --date : To purge trusts older than date. It will purge trusts older than current if date not given. other: - > [`bug 1473292 `_] If you're relying on a custom implementation of the trust backend, please be sure to implement the new method prior to upgrading.