keystone notification context is empty

[Guangya Liu (Jay Lau)]

When keystone send notification, the context will be set as {}, this caused some problem when related component such as nova to deseralize the context

2015-01-28 13:01:40.391 20150 ERROR oslo.messaging.notify.dispatcher [-] Exception during message handling
2015-01-28 13:01:40.391 20150 TRACE oslo.messaging.notify.dispatcher Traceback (most recent call last):
2015-01-28 13:01:40.391 20150 TRACE oslo.messaging.notify.dispatcher File "/usr/lib/python2.7/site-packages/oslo/messaging/notify/dispatcher.py", line 87, in _dispatch_and_handle_error
2015-01-28 13:01:40.391 20150 TRACE oslo.messaging.notify.dispatcher return self._dispatch(incoming.ctxt, incoming.message)
2015-01-28 13:01:40.391 20150 TRACE oslo.messaging.notify.dispatcher File "/usr/lib/python2.7/site-packages/oslo/messaging/notify/dispatcher.py", line 103, in _dispatch
2015-01-28 13:01:40.391 20150 TRACE oslo.messaging.notify.dispatcher ctxt = self.serializer.deserialize_context(ctxt)
2015-01-28 13:01:40.391 20150 TRACE oslo.messaging.notify.dispatcher File "/usr/lib/python2.7/site-packages/nova/rpc.py", line 117, in deserialize_context
2015-01-28 13:01:40.391 20150 TRACE oslo.messaging.notify.dispatcher return nova.context.RequestContext.from_dict(context)
2015-01-28 13:01:40.391 20150 TRACE oslo.messaging.notify.dispatcher File "/usr/lib/python2.7/site-packages/nova/context.py", line 179, in from_dict
2015-01-28 13:01:40.391 20150 TRACE oslo.messaging.notify.dispatcher return cls(**values)
2015-01-28 13:01:40.391 20150 TRACE oslo.messaging.notify.dispatcher TypeError: __init__() takes at least 3 arguments (1 given)
2015-01-28 13:01:40.391 20150 TRACE oslo.messaging.notify.dispatcher

We should at least set project_id and user_id to context.

https://github.com/openstack/keystone/blob/master/keystone/notifications.py#L241

[Morgan Fainberg (mdrnstm)]

This was addressed by: https://review.openstack.org/#/c/155660/

[Steve Martinelli (stevemar)]

thanks morgan, it's worth mentioning that the user_id and project_id are available if the cadf notification format is used.

user_id = payload.initiator.id
project_id = payload.initiator.project_id
domain_id = payload.initiator.domain_id

[Guangya Liu (Jay Lau) (jay-lau-513)]

Cool!