[StarlingX][Nova] Upstream work status

Matt Riedemann mriedemos at gmail.com
Wed Mar 27 13:50:33 UTC 2019

On 3/26/2019 2:03 PM, Dean Troyer wrote:
> The upstreaming effort is still in progress with 31 items across 5
> projects complete (or expected to still make Stein) and 20 items
> remaining to be completed, all in Nova. In preparing for the May
> release of StarlingX we have identified from this list of 20 items 3
> features and 8 bug fixes as critical for the release.

Funny coincidence because I was just triaging this nova bug this morning:


And referenced the starlingx fix for it in there, but now I've also 
duplicated it against the old bug linked in the spreadsheet. I did leave 
some comments in the bug that are likely limitations in the starlingx 
solution which work for starlingx when you have 1-2 nodes in an edge 
site with 1-2 nova-conductor services, but likely wouldn't be sufficient 
in a large public cloud with nova-conductor services spread across 
multiple hosts (unless some distributed lock manager is being used, 
which I don't think oslo.concurrency supports under the covers does it?).

Skimming the other items in the spreadsheet they mostly look like 
already in-progress items upstream, are planned for discussion at the 
PTG, or are related to server groups (which is a known haven for race 
issues since we don't model affinity in placement yet).

> If you have any questions or concerns please reply here, contact me or
> anyone on the StarlingX TSC, or find us in IRC at #starlingx.

Thanks for the update and transparency here.

> dt
> [0] The work items are listed in the 'Stein Backport Items' tab of the
> following spreadsheet:
> https://docs.google.com/spreadsheets/d/1udAtEpQljV2JZVs-525UhWyx-5ePOaSSkKD1CS27ohU/edit#gid=162080347
> * The last item marked for Glance and Cinder is out of scope here, it
> is work in a StarlingX project repo
> [1]https://github.com/starlingx-staging/stx-nova




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