[openstack-dev] [nova][notification] Full traceback in ExceptionPayload

Balázs Gibizer balazs.gibizer at ericsson.com
Fri Mar 9 16:08:12 UTC 2018

On Fri, Mar 9, 2018 at 3:46 PM, Matt Riedemann <mriedemos at gmail.com> 
> On 3/9/2018 6:26 AM, Balázs Gibizer wrote:
>> The instance-action REST API has already provide the traceback to 
>> the user (to the admin by default) and the notifications are also 
>> admin only things as they are emitted to the message bus by 
>> default. So I assume that security is not a bigger concern for the 
>> notification than for the REST API. So I think the only issue we 
>> have to accept is that the traceback object in the ExceptionPayload 
>> will not be a well defined field but a simple string containing a 
>> serialized traceback.
>> If there is no objection then Kevin or I can file a specless bp to 
>> extend the ExceptionPayload.
> I think that's probably fine. As you said, if we already provide 
> tracebacks in instance action event details (and faults), then the 
> serialized traceback in the error notification payload also seems 
> fine, and is what the legacy notifications did so it's not like there 
> wasn't precedent.
> I don't think we need a blueprint for this, it's just a bug.

I thought about a bp because it was explicitly defined in the original 
spec not have traceback so for me it does not feels like a bug.


> --
> Thanks,
> Matt
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