[openstack-dev] [nova] Notification update week 20

Bal√°zs Gibizer balazs.gibizer at ericsson.com
Mon May 14 14:15:37 UTC 2018


Hi,

Here is the latest notification subteam update.

Bugs
----

[Low] https://bugs.launchpad.net/nova/+bug/1757407 Notification sending
sometimes hits the keystone API to get glance endpoints
Fix needs some additional work: 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

[Medium] 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


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. The implementation looks 
good to me in: https://review.openstack.org/#/c/563269


Introduce Pending VM state
--------------------------
The spec https://review.openstack.org/#/c/554212 proposes some 
notification change to signal when a VM goes to PENDING state. Hovewer 
this information is already available from the versioned 
instance.update notification. The discussion in the spec is ongoing.


Weekly meeting
--------------
I have to cancel this week's meeting and next week most of us will be 
in Vancouver. So the next meeting will be held on 29th of May on 
#openstack-meeting-4
https://www.timeanddate.com/worldclock/fixedtime.html?iso=20180529T170000

Cheers,
gibi






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