[cinder] Could you help me review the reimage feature?

Brian Rosmaita rosmaita.fossdev at gmail.com
Thu Aug 6 21:00:28 UTC 2020

On 8/6/20 12:59 PM, Rambo wrote:
> Hi,all:
>          I have a spec which is support volume backed server 
> rebuild[0].This spec was accepted in Stein, but some of the work did not 
> finish, so repropose it for Victoria.  I sincerely wish this spec will 
> approved in Victoria, so I make an exception for this, and the Nova team 
> will approved this *if the cinder reimage question is solved this 
> week*[1].  This spec is depend on the cinder reimage api [2], and the 
> reimage api has a question. We just need to know if cinder are ok with 
> the change in polling to event like the volume extend. More clearly, 
> Cinder reimage should add a new 'volume-reimage' external event like the 
> volume extend, so that nova can wait for cinder to complete the reimage[3].
>         The Cinder code is[4], if you have some ideas, you can comments 
> on it.Thank you very much!

The Cinder team is not going to approve this proposal this week, but we 
encourage you to continue working on it for Wallaby.

The spec was approved for Stein and then re-targeted to Train.  Until 
July 30, the last activity on the patch was April 1, 2019, so this has 
not been on the Cinder team's radar at all this development cycle.

Because the spec is outdated, it should be proposed for Wallaby so the 
current Cinder team can review it and assess how it fits into the 
current project plans.

I've already penciled you in for next week's midcycle so we can discuss 
this in more depth.  But I am against making a snap decision in the next 
two days.


> Ref:
> [0]:https://blueprints.launchpad.net/nova/+spec/volume-backed-server-rebuild
> [1]:http://eavesdrop.openstack.org/irclogs/%23openstack-meeting-3/%23openstack-meeting-3.2020-08-06.log.html#t2020-08-06T16:18:22-2
> [2]:https://blueprints.launchpad.net/cinder/+spec/add-volume-re-image-api
> [3]:https://review.opendev.org/#/c/454287/
> [4]:https://review.opendev.org/#/c/606346/
> Best Regards
> Rambo

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