[openstack-dev] [nova] Austin summit versioned notification
rlrossit at linux.vnet.ibm.com
Tue May 3 14:09:53 UTC 2016
> On May 3, 2016, at 8:58 AM, Matt Riedemann <mriedem at linux.vnet.ibm.com> wrote:
> On 5/3/2016 3:10 AM, Balázs Gibizer wrote:
>> Last week Friday in Austin we discussed the way forward with the versioned
>> notification transformation in Nova.
>> We agreed that when we separate the object model use for notifications from
>> the nova object model we still use the NovaObject as a base class to avoid
>> change in the wire format and the major version bump it would cause.
>> However we won't register the notification object into the NovaObjectRegistry.
> We also said that since the objects won't be registered, we still want to test their hashes in case something changes, so register the notification objects in the test that checks for changes (even though they aren't registered globally), this will keep us from slipping.
I found yesterday that we do this for the DeviceBus object here . We’ll be doing something similar with all objects that inherit from the notification base objects in either the test_versions(), or in setUp() of TestObjectVersions, whichever gives us the most coverage and least interference on other tests.
>> In general we agreed that we move forward with the transformation according
>> to the spec .
>> Regarding the schema generation for the notifications we agreed to
>> propose a general JSON Schema generation implementation to
>> oslo.versionedobjects  that can be used in Nova later to generate
>> schemas for the notification object model.
>> To have a way to synchronize our effort I'd like to restart the weekly
>> subteam meeting . As the majority of the subteam is in US and EU I propose
>> to continue the currently existing time slot UTC 17:00 every Tuesday.
>> I proposed the frequency increase from biweekly to weekly here .
>> This means that we can meet today 17:00 UTC  on #openstack-meeting-4.
>>  https://review.openstack.org/#/c/286675/ Versioned notification transformation
>>  https://review.openstack.org/#/c/311194/ versionedobjects: add json schema generation
>>  https://review.openstack.org/#/c/311948/
>>  https://www.timeanddate.com/worldclock/fixedtime.html?iso=20160503T170000
>>  https://wiki.openstack.org/wiki/Meetings/NovaNotification
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> Matt Riedemann
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Ryan Rossiter (rlrossit)
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