
This patch adds support for specifying barbican_endpoint, which is mandatory if doing a multi-region deployment with kms_keymaster. Indeed, without it, Castellan may use the wrong endpoint of the wrong cluster. Depends-On: Ib7f4219ef5fdef65e9cfd5701e28b5288741783e Change-Id: If62756770b1a3cdb4215b59aee5f368f54986706