Resource provider 18-06 is here.
# Most Important
RC1 was cut last night, so we shouldn't be merging any new features now,
just bug fixes. Which, of course, means finding and fixing bugs is the
thing to do.
In the gaps where that's not happening, planning for Rocky is a useful
thing to be doing.
The PTG is coming up at the end of this month. If you have topics for
discussion that are not already on the etherpad, add them:
https://etherpad.openstack.org/p/nova-ptg-rocky
A variety of specs, and discussions related to such things, are in
progress and listed below. If I've forgotten something, let me know, as
usual.
I wrote a thing describing some of my efforts to break placement:
https://anticdent.org/placement-scale-fun.html
Placement itself was fine, but I was able to break other stuff. If you
have an environment where you are able to do that kind of concrete
experimentation, it will help to make the release better.
# What's Changed
RC1 happened. Some more "sending global request id" changes merged. A
release note was created to describe the behavior change in
AggregateCoreFilter (and friends):
https://review.openstack.org/#/c/541018/
# Help Wanted
Testing, Testing, Testing.
There are a fair few unstarted bugs related to placement that could do
with some attention. Here's a handy URL: https://goo.gl/TgiPXb
# Specs
* Support traits in Glance
https://review.openstack.org/#/c/541507/4
* Add generation support in aggregate assocation
https://review.openstack.org/#/c/540447/
* Update ProviderTree
https://review.openstack.org/#/c/540111/
* Support aggregate affinity filter/weighers
https://review.openstack.org/#/c/529135/
(Note that this is not placement aggregates and is not a
placement-oriented solution but is something many of the same people
are into.)
* Granular Resource Request Syntax (Rocky)
https://review.openstack.org/#/c/540179/
* Report CPU features to placement
https://review.openstack.org/#/c/497733/
# Main Themes
We've not yet identified the new themes, other than to know that
Nested remains a big deal. Presumably at the PTG we will define and
then narrow the themes.
## Nested Resource Providers
Work continues at
https://review.openstack.org/#/q/status:open+topic:bp/nested-resource-providers
By which I mean that there's lots of active work and discussion on the
patches on this topic. It's the locus of activity.
# Other
Many of these things are bug fixes or doc tuneups, and thus
potentially relevant for Queens.
* Update references to OSC in old rp specs
https://review.openstack.org/#/c/539038/
* [Placement] Invalid query parameter could lead to HTTP 500
https://review.openstack.org/#/c/539408/
* [placement] use simple FaultWrapper
https://review.openstack.org/#/c/533752/
* Ensure resource classes correctly
https://review.openstack.org/#/c/539738/
* Avoid inventory DELETE API (no conflict detection)
https://review.openstack.org/#/c/539712/
* Fix nits in allocation canidate limit handling
https://review.openstack.org/#/c/536784/
* WIP: Move resource provider objects
https://review.openstack.org/#/c/540049/
* Do not normalize allocation ratios
https://review.openstack.org/#/c/532924/
* Sending global request ids from nova to placement
https://review.openstack.org/#/q/topic:bug/1734625
* Update resources once in update available resources
https://review.openstack.org/#/c/520024/
(This ought, when it works, to help address some redunancy
concerns with nova making too many requests to placement)
* Support aggregate affinity filters/weighers
https://review.openstack.org/#/q/topic:bp/aggregate-affinity
A rocky targeted improvement to affinity handling
* Move placement body samples in docs to own dir
https://review.openstack.org/#/c/529998/
* Improved functional test coverage for placement
https://review.openstack.org/#/q/topic:bp/placement-test-enhancement
* Functional tests for traits api
https://review.openstack.org/#/c/524094/
* annotate loadapp() (for placement wsgi app) as public
https://review.openstack.org/#/c/526691/
* Remove microversion fallback code from report client
https://review.openstack.org/#/c/528794/
* WIP: SchedulerReportClient.set_aggregates_for_provider
https://review.openstack.org/#/c/532995/
This is for rocky as it depends on changing the api for
aggregates handling on the placement side to accept and provide
a generation
* Add functional test for two-cell scheduler behaviors
https://review.openstack.org/#/c/452006/
(This is old and maybe out of date, but something we might like to
resurrect)
* Make API history doc consistent
https://review.openstack.org/#/c/477478/
* WIP: General policy sample file for placement
https://review.openstack.org/#/c/524425/
* Support relay RP for allocation candidates
https://review.openstack.org/#/c/533437/
Bug fix for sharing with multiple providers
* Convert driver supported capabilities to compute node provider
traits
https://review.openstack.org/#/c/538498/
* Check for leaked allocations in post_test_hook
https://review.openstack.org/#/c/538510/
# End
Hi. Thanks for making it this far. Go find bugs.
--
Chris Dent (⊙＿⊙') https://anticdent.org/
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