[openstack-dev] [nova][api] Is this a potential issue
andrew.laski at rackspace.com
Fri Nov 15 22:19:16 UTC 2013
On 11/15/13 at 07:30am, Dan Smith wrote:
>> You're not missing anything. But I think that's a bug, or at least an
>> unexpected change in behaviour from how it used to work. If you follow
>> instance_update() in nova.db.sqlalchemy.api just the presence of
>> expected_task_state triggers the check. So we may need to find a way to
>> pass that through with the save method.
>This came up recently. We decided that since we no longer have a kwargs
>dictionary to test for the presence or absence of that flag, that we
>would require setting it to a tuple, which is already supported for
>allowing multiple state possibilities. So, if you pass
>expected_task_state=(None,) then it will do the right thing.
Perfect. I thought the old method was a bit counterintuitive and
started thinking this would be better after I sent the email earlier.
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