this was resolved by https://review.openstack.org/#/c/362501/
** Changed in: keystone
Status: In Progress => Fix Released
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https://bugs.launchpad.net/bugs/1596500
Title:
Passwords created_at attribute could remain unset during rolling
upgrade
Status in OpenStack Identity (keystone):
Fix Released
Bug description:
Migrate 105 (in Newton) adds the password created_at attribute, and
defaults it to now(). However, this is not a server default, rather it
is a "write to all existing rows" at the time the DB is migrated. The
following rolling upgrade sequence will cause this to remain unset:
1) Imagine a 2 node Mitaka keystone configuration (node A and b), sharing a DB
2) A rolling upgrade is started, and node A is upgrade to Newton, which will
migrate the shared DB
3) Before node B can be upgraded, a new user is created with a password via
node B. Since this is not running the new Newton code, the code will not know
to set the created_at attribute
4) Node B is upgraded to Newton, but this will leave the user record still
with created_at as None
The preferred solution would be to have a keystone_manage "rolling
upgrade completion" step, which would check the DB for any rows that
did not have the correct defaults set (i.e. where added during the
rolling migration).
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