Hi,

Here is the status update / focus setting mail about notification work
for week 29.

Bugs
----
[Undecided] https://bugs.launchpad.net/nova/+bug/1684860 Versioned
server notifications don't include updated_at
The fix https://review.openstack.org/#/c/475276/ is in focus but comments needs to be addressed.

[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 needs review:  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. Patch needs review: 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 looks good from notification perspective but affects other part of the system as well: https://review.openstack.org/#/c/477556/


Versioned notification transformation
-------------------------------------
The last week's merge conflicts are mostly cleaned up and there is 11 patches that are waiting for core revew:
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:Verified%253C0+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 to look at:
* 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 has been merged.

As a last piece of the bp 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 getting closer to be merged. Focus is on these patches.

There are a set of follow up patches for the BDM addition to optimize the payload generation but these are not mandatory for the functionality https://review.openstack.org/#/c/483324/


Instability of the notification sample tests
--------------------------------------------
Multiple instability of the sample test was detected last week. The nova functional test fails intermittenly at least for two distinct reasons: * https://bugs.launchpad.net/nova/+bug/1704423 _test_unshelve_server intermittently fails in functional versioned notification tests Possible solution found, fix proposed and it only needs a second +2: https://review.openstack.org/#/c/483986/ * https://bugs.launchpad.net/nova/+bug/1704392 TestInstanceNotificationSample.test_volume_swap_server fails with "testtools.matchers._impl.MismatchError: 7 != 6" Patch that improves logging of the failure has been merged https://review.openstack.org/#/c/483939/ and detailed log now available to look at http://logs.openstack.org/82/482382/4/check/gate-nova-tox-functional-ubuntu-xenial/38a4cb4/console.html#_2017-07-16_01_14_36_313757


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 18th of July.
https://www.timeanddate.com/worldclock/fixedtime.html?iso=20170718T170000

Cheers,
gibi




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