[openstack-dev] [nova] notification update week 28

Balazs Gibizer balazs.gibizer at ericsson.com
Mon Jul 10 08:22:37 UTC 2017


Here is the status update / focus setting mail about notification work
for week 28.

[Undecided] https://bugs.launchpad.net/nova/+bug/1684860 Versioned
server notifications don't include updated_at
Takashi's fix needs a second +2 https://review.openstack.org/#/c/475276/

[Low] https://bugs.launchpad.net/nova/+bug/1696152 nova notifications
use nova-api as binary name instead of nova-osapi_compute
Agreed not to change the binary name in the notifications. Instead we
make an enum for that name to show that the name is intentional.
Patch has been proposed:  https://review.openstack.org/#/c/476538/

[Undecided] https://bugs.launchpad.net/nova/+bug/1702667 publisher_id 
of the versioned instance.update notification is not consistent with 
other notifications
The inconsistency of publisher_ids was revealed by #1696152. Fix has 
been proposed https://review.openstack.org/#/c/480984

[Undecided] https://bugs.launchpad.net/nova/+bug/1699115 api.fault
notification is never emitted
Still no response on the ML thread about the way forward.

[Undecide] https://bugs.launchpad.net/nova/+bug/1700496 Notifications
are emitted per-cell instead of globally
Fix is to configure a global MQ endpoint for the notifications in cells
v2. Patch is being worked on: https://review.openstack.org/#/c/477556/

Versioned notification transformation
There is quite a long list of ready notification transformations for 
the cores to look at:

If you are affraid of the long list then here is a short list of live 
migration related transformations:
* https://review.openstack.org/#/c/480214/
* https://review.openstack.org/#/c/420453/
* https://review.openstack.org/#/c/480119/
* https://review.openstack.org/#/c/469784/

Searchlight integration
bp additional-notification-fields-for-searchlight
The BDM addition needs core review, it just lost +2 due to a rebase:

Besides the BDM patch we are still missing the Add tags to
instance.create Notification https://review.openstack.org/#/c/459493/
patch but that depends on supporting tags and instance boot
https://review.openstack.org/#/c/394321/ which is still not ready.

Small improvements
* https://review.openstack.org/#/c/428199/ Improve assertJsonEqual
error reporting
* https://review.openstack.org/#/q/topic:refactor-notification-samples
Factor out duplicated notification sample data
This is a start of a longer patch series to deduplicate notification
sample data. The third patch already shows how much sample data can be
deleted from nova tree. We added a minimal hand rolled json ref
implementation to notification sample test as the existing python json
ref implementations are not well maintained.

Weekly meeting
The notification subteam holds it's weekly meeting on Tuesday 17:00 UTC
on openstack-meeting-4. The next meeting will be held on 11th of July.


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