Public bug reported: Future incompatible changes in sqlalchemy migrations, like removing, renaming columns and tables can break rolling upgrades (upgrades when multiple Keystone instances are run at different versions).
To address this, we can ban schema changes which cause incompatibilities, specifically drops and alters, like in Nova: https://github.com/openstack/nova/blob/stable/liberty/nova/tests/unit/db/test_migrations.py#L224-L225 ** Affects: keystone Importance: Undecided Assignee: Grzegorz Grasza (xek) Status: In Progress ** Changed in: keystone Assignee: (unassigned) => Grzegorz Grasza (xek) ** Changed in: keystone Status: New => In Progress -- You received this bug notification because you are a member of Yahoo! Engineering Team, which is subscribed to OpenStack Identity (keystone). https://bugs.launchpad.net/bugs/1509944 Title: Rolling upgrades: online schema migration Status in OpenStack Identity (keystone): In Progress Bug description: Future incompatible changes in sqlalchemy migrations, like removing, renaming columns and tables can break rolling upgrades (upgrades when multiple Keystone instances are run at different versions). To address this, we can ban schema changes which cause incompatibilities, specifically drops and alters, like in Nova: https://github.com/openstack/nova/blob/stable/liberty/nova/tests/unit/db/test_migrations.py#L224-L225 To manage notifications about this bug go to: https://bugs.launchpad.net/keystone/+bug/1509944/+subscriptions -- Mailing list: https://launchpad.net/~yahoo-eng-team Post to : yahoo-eng-team@lists.launchpad.net Unsubscribe : https://launchpad.net/~yahoo-eng-team More help : https://help.launchpad.net/ListHelp
