[openstack-dev] [nova] Notification update week 19

Bal√°zs Gibizer balazs.gibizer at ericsson.com
Tue May 8 09:16:49 UTC 2018


Hi,

After a bit of silence here is the latest notification status.

Bugs
----

[Low] https://bugs.launchpad.net/nova/+bug/1757407 Notification sending
sometimes hits the keystone API to get glance endpoints
Fix has been proposed has many +1s 
https://review.openstack.org/#/c/564528/

[Medium] https://bugs.launchpad.net/nova/+bug/1763051 Need to audit
when notifications are sent during live migration
We need to go throught the live migration codepath and make sure that
the different live migartion notifications sent at a proper time.

[Low] https://bugs.launchpad.net/nova/+bug/1764392 Avoid bandwidth
usage db query in notifications when the virt driver does not support
collecting such data

[High] https://bugs.launchpad.net/nova/+bug/1739325 Server operations
fail to complete with versioned notifications if payload contains unset
non-nullable fields
No progress. We still need to understand how this problem happens to
find the proper solution.

[Low] https://bugs.launchpad.net/nova/+bug/1487038
nova.exception._cleanse_dict should use
oslo_utils.strutils._SANITIZE_KEYS
Old abandoned patches exist but need somebody to pick them up:
* https://review.openstack.org/#/c/215308/
* https://review.openstack.org/#/c/388345/


Versioned notification transformation
-------------------------------------
https://review.openstack.org/#/q/topic:bp/versioned-notification-transformation-rocky+status:open
* https://review.openstack.org/#/c/403660 Transform instance.exists 
notification - lost the +2 due to a merge conflict
* https://review.openstack.org/#/c/410297/  Transform missing delete 
notifications - many +1s, needs core review


Introduce instance.lock and instance.unlock notifications
---------------------------------------------------------
https://blueprints.launchpad.net/nova/+spec/trigger-notifications-when-lock-unlock-instances
Implementation proposed but needs some work:
https://review.openstack.org/#/c/526251/ - No progress. I've pinged the 
author but no response.


Add the user id and project id of the user initiated the instance
action to the notification
-----------------------------------------------------------------
https://blueprints.launchpad.net/nova/+spec/add-action-initiator-to-instance-action-notifications
Implementation patch exists but still needs work
https://review.openstack.org/#/c/536243/ - No progress. I've pinged the 
author but no response.


Sending full traceback in versioned notifications
-------------------------------------------------
https://blueprints.launchpad.net/nova/+spec/add-full-traceback-to-error-notifications
The bp was reassigned to Kevin_Zheng and he proposed a WIP patch 
https://review.openstack.org/#/c/564092/


Add versioned notifications for removing a member from a server group
---------------------------------------------------------------------
The specless bp 
https://blueprints.launchpad.net/nova/+spec/add-server-group-remove-member-notifications
Based on the PoC patch https://review.openstack.org/#/c/559076/ we see 
basic problems with the overal bp. See Matt's mail from the ML 
http://lists.openstack.org/pipermail/openstack-dev/2018-April/129804.html


Add notification support for trusted_certs
------------------------------------------
This is part of the bp nova-validate-certificates implementation series 
to extend some of the instance notifications: 
https://review.openstack.org/#/c/563269
I have to re-review the patch as it seems Brianna updated it based on 
my suggestions.


Introduce Pending VM state
--------------------------
The spec https://review.openstack.org/#/c/554212 proposed to introduce 
new notification along with the new state. I have to give a detailed 
review about this proposal.


Weekly meeting
--------------
The next meeting will be held on 8th of May on #openstack-meeting-4
https://www.timeanddate.com/worldclock/fixedtime.html?iso=20180508T170000

Cheers,
gibi






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