[Openstack] nova error migrating with floating ips: 'FixedIP' object has no attribute '_sa_instance_state'
Roman Podoliaka
rpodolyaka at mirantis.com
Wed Jun 25 12:48:40 UTC 2014
Hi all,
I believe this should be fixed by https://review.openstack.org/#/c/102514
Thanks,
Roman
On Wed, Jun 25, 2014 at 9:39 AM, Noel Burton-Krahn <noel at pistoncloud.com> wrote:
> Thanks a lot for the quick reply, Dan. It's good to know that _context is
> expected to be a RequestContext. We do have some changes to nova, although
> none are obviously in this area. I'll look there and file a bug if this is
> from pure nova.
>
> --
> Noel
>
>
>
> On Tue, Jun 24, 2014 at 3:33 PM, Dan Smith <dansmith at redhat.com> wrote:
>>
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>>
>> > floating_ip.save() Exception during message handling: 'FixedIP'
>> > object has no attribute '_sa_instance_state'
>> >
>> >
>> > The floating_ip object's context did appears to be a
>> > RequestContext object, not a SQLAlchemy object
>>
>> I think you're confusing NovaObjects with SA objects. A NovaObject's
>> _context *should* be a RequestContext.
>>
>>
>> > floating_ip.__dict__={'_address': IPAddress('10.35.4.6'),
>> > '_interface': u'public', '_updated_at': datetime.datetime(2014, 6,
>> > 24, 20, 38, 28, tzinfo=<iso8601.iso8601.Utc object at
>> > 0x7f97cad18e10>), '_context': <nova.context.RequestContext object
>> > at 0x7f97cac4acd0>, '_auto_assigned': False, '_pool': u'nova',
>> > '_deleted_at': None, '_deleted': False, '_created_at':
>> > datetime.datetime(2014, 6, 24, 16, 14, 50,
>> > tzinfo=<iso8601.iso8601.Utc object at 0x7f97cad18dd0>),
>> > '_fixed_ip_id': 10, '_host': u'10.35.0.15', '_changed_fields':
>> > set([]), '_id': 6, '_project_id':
>> > '96164da78025487daf0b7a20cb338939'}
>>
>> This is a NovaObject, but the reference to "_sa_instance_state" is a
>> SQLAlchemy thing, AFAIK. The commit of mine you reference is about
>> converting the use of some SA objects and bare dicts to NovaObjects.
>> If your object looks like the above, but you're getting the above
>> message about _sa_instance_state, the something is very (very) confused.
>>
>>
>> > I'm still working through why
>> > floating_ip_obj.FloatingIP.get_by_address() may return an object
>> > that doesn't work.
>> >
>> > Dan, does this ring any bells?
>>
>> This looks highly fishy. Is the code modified in any way? If not, file
>> a bug with all these details please.
>>
>> - --Dan
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>
>
>
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