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

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


Hi,

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

Bugs
----
[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.
http://lists.openstack.org/pipermail/openstack-dev/2017-June/118639.html

[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:
https://review.openstack.org/#/q/status:open+project:openstack/nova+branch:master+topic:bp/versioned-notification-transformation-pike+label:Code-Review%253E%253D%252B1+label:Verified%253E%253D1+AND+NOT+label:Code-Review%253C0

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:
https://review.openstack.org/#/c/448779/

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.
https://www.timeanddate.com/worldclock/fixedtime.html?iso=20170711T170000

Cheers,
gibi






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