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#openstack-nova - 2018-02-05
14:22:41 openstackgerrit Merged openstack/nova stable/pike: Fix the ocata config-reference URLs https://review.openstack.org/515410
14:22:48 openstackgerrit Merged openstack/nova master: doc: update the GPU passthrough HPC feature entry https://review.openstack.org/539638
14:23:03 openstackgerrit Merged openstack/nova master: Provide support matrix and doc for VGPU https://review.openstack.org/539266
14:27:04 ameeda jaypipes_: could you please check this https://review.openstack.org/#/c/526900/ ?
14:27:33 openstackgerrit Andrey Kurilin proposed openstack/python-novaclient master: Remove 2 redundant methods https://review.openstack.org/528325
14:36:32 gibi bauzas: If you have some free time, then there is a bugfix that needs some review https://review.openstack.org/#/c/525242/ :)
14:37:14 openstackgerrit Lee Yarwood proposed openstack/nova stable/pike: add "--until-complete" option for nova-manage db archive_deleted_rows. https://review.openstack.org/540871
14:37:19 bauzas gibi: free time is not exactly what I call as my current workload, but I'll ;)
14:38:37 gibi bauzas: Ohh then I was misled by your feeling the breeze comment above :)
14:39:07 bauzas gibi: oh, your patch is crucial https://review.openstack.org/#/c/525242/
14:39:54 mriedem lyarwood: i think it would be ok to just leave that as a separate refactor/test coverage change on top
14:40:14 mriedem don't really want to hold up https://review.openstack.org/#/c/539739/ since it's breaking cinder 3rd party CI
14:40:40 lyarwood mriedem: yup np
14:43:18 gibi mriedem: hi, I think we have some indirect disagreement in https://review.openstack.org/#/c/528385 I think the duplicate detach will cause confusions in the logs and in the notification interface
14:46:26 efried cdent: This sentence does not parse for me: "That new structure allowed for the creation a POST to /allocations that allows an atomic action to manage allocations for multiple consumers in one request, supporting race-free migration allocations."
14:51:25 bauzas gibi: mriedem: I'm a bit concerned by a bugfix having RPC versions bumped but it's understandable given the upcall issue
14:51:52 bauzas context being https://review.openstack.org/#/c/525242/14
14:51:56 gibi bauzas: First I tried without the rpc bump but that solution would create yet another cell upcall
14:52:14 bauzas yeah I know
14:52:39 bauzas FWIW, I have a long standing blueprint for passing request specs to computes
14:52:50 bauzas it's purely procedural tho
14:53:03 bauzas I'm fine with approving that change if everything else is ok
14:53:14 bauzas just thinking out loud
14:54:15 gibi yes, we need to agree on such a bump together. Especially as dansmith might plan to do a major rpc version bump before the release
14:54:46 dansmith yeah, unfortunately, that reqspec cleanup would be really nice to get into place
14:56:30 mriedem i got 2 patches in against it for queens!
14:56:31 gibi bauzas: if that helps with the current bugfix, I can offer some help with the request spec blueprint in Rocky
14:56:33 mriedem with great success
14:57:29 efried bauzas: What's a request spec, as distinct from allocation request data?
14:58:01 efried That is, what does a request spec has that an allocation request doesn't?
14:58:19 mriedem gibi: replied in https://review.openstack.org/#/c/528385/
14:58:32 mriedem efried: all sorts of stuff,
14:58:38 mriedem instance groups, scheduler hints,
14:58:41 mriedem image id
14:58:46 mriedem it's basically the instance
14:58:53 mriedem minus host stuff (and BDMs for some reason)
14:59:03 efried okay, thanks.
15:00:20 efried cause jfyi, we are passing the allocation to the compute (https://review.openstack.org/#/c/511879/)
15:00:32 bauzas efried: originally the request spec is what was passed to the scheduler for filtering purposes
15:00:44 mriedem efried: in this case we need the scheduling hints
15:00:52 efried coo
15:00:58 bauzas efried: it became used for more than just the scheduler
15:01:20 bauzas because we have the original intent of the user + some quirks
15:01:57 bauzas the flaw in that model (and I apologize for not having considered it at the design state) is that we don't know which fields are immutable and which not
15:02:25 gibi mriedem: thanks the reply in https://review.openstack.org/#/c/528385/, I'm OK with the extra kwargs
15:02:36 bauzas so, when you review a change using that RequestSpec object record, try to consider all fields as potentially mutable
15:03:10 gibi ameeda: I think you have a way forward now in https://review.openstack.org/#/c/528385/
15:04:08 openstackgerrit Peter Hamilton proposed openstack/nova-specs master: Add support for certificate validation https://review.openstack.org/540879
15:16:54 lyarwood mriedem: https://review.openstack.org/#/c/531422/ - happy to +W this now that https://review.openstack.org/#/c/540680/1 is posted?
15:25:09 mriedem gibi: comments in https://review.openstack.org/#/c/525242/
15:26:51 gibi mriedem: looking
15:28:10 cdent efried: sorry, was walking. On the POST, do the nearby links clarify things at all? On the allocations have a resource provider with a generation that's here: https://github.com/openstack/nova/blob/master/nova/api/openstack/placement/handlers/allocation.py#L210-L220
15:29:01 openstackgerrit Stephen Finucane proposed openstack/nova master: doc: Start using openstackdoctheme's extlink extension https://review.openstack.org/540888
15:29:01 openstackgerrit Stephen Finucane proposed openstack/nova master: doc: Don't use single backticks in man pages https://review.openstack.org/540887
15:33:06 mriedem gibi: and the functional test below
15:33:44 mriedem dansmith: melwitt: easy quick cells v2 layout caveats update for stuff that is now fixed in queens https://review.openstack.org/#/c/540667/
15:34:01 gibi mriedem: thanks
15:34:26 mriedem bauzas: this looks nice https://docs.openstack.org/nova/latest/admin/virtual-gpu.html thanks for doing that
15:40:10 efried cdent: I knew what you meant; was just commenting that the sentence didn't grammar for me.
15:40:38 cdent efried: because of the missing "of" or more than that?
15:41:20 efried cdent: TBH, I couldn't even interpolate what was missing/wrong. Let me go read it again...
15:41:28 cdent i've just put the "of" in
15:41:38 mriedem lyarwood: done
15:42:00 lyarwood mriedem: thanks
15:42:20 efried cdent: Oh, yeah, that (or the addition of caffeine since first reading) makes it a lot clearer.
15:42:37 efried cdent: And when you get a chance, you said you could point me to where allocations were managing generations.
15:42:41 mriedem lyarwood: can you hit the other 2 pike doc backports here? https://review.openstack.org/#/q/status:open+project:openstack/nova+branch:stable/pike+topic:bug/1714017
15:43:03 lyarwood mriedem: sure, looking now
15:43:09 purplerbot efried: sorry, was walking. On the POST, do the nearby links clarify things at all? On the allocations have a resource provider with a generation that's here: https://github.com/openstack/nova/blob/master/nova/api/openstack/placement/handlers/allocation.py#L210-L220 [2018-02-05 15:28:10.592679] [n vPW]
15:43:09 cdent efried: second part of [t vPW]
15:43:51 efried cdent: That's on the return from POST /allocations?
15:44:02 mriedem lyarwood: i'm not sure about this https://review.openstack.org/#/c/540846/
15:44:19 mriedem it's going to be super annoying if we have to update all doc backports to point at the branch they are on
15:44:19 cdent that gives the Allocation object and rp (with a genaration), which is then checked at https://github.com/openstack/nova/blob/master/nova/objects/resource_provider.py#L2079-L2085
15:44:25 mriedem we don't do that when we branch
15:44:29 cdent efried: that's on the _start_ of PUT or POST
15:44:35 cdent on the way in, not the way out
15:44:41 openstackgerrit Merged openstack/nova master: Fix invalid UUIDs in test_compute.py https://review.openstack.org/531479
15:44:49 cdent efried: so the generation is checked, but the client doesn't provide
15:44:50 openstackgerrit Merged openstack/nova stable/pike: Don't update RT in _allocate_network https://review.openstack.org/519942
15:44:55 openstackgerrit Merged openstack/python-novaclient master: Zuul: Remove project name https://review.openstack.org/540304
15:44:56 cdent which seems ... useless?
15:45:04 efried cdent: Right. What are we checking the generation *against*?
15:45:30 efried cdent: (BTW, in that code block, I still don't see where the generation is being checked, even internally)
15:45:43 cdent efried: anything that changes from the start of the PUT to the time when _increment_provider_generation is called
15:46:13 bauzas mriedem: thanks for pushing me the idea :-)
15:46:22 efried cdent: Okay, well, I should hope that *all* the APIs are doing *that*, to guarantee atomicity of a single call. But yeah, totally not the point I'm actually making in the bug report.
15:46:43 cdent efried: yes, your bug report is a different concern
15:46:54 cdent and no, we shouldn't be doing that in all single calls
15:46:58 cdent it is pointless in allocations
15:47:00 mriedem lyarwood: are you planning on backporting this entire series to ocata also https://review.openstack.org/#/c/540861/ ?
15:47:03 cdent if the allocation fits, write it
15:47:04 mriedem that's a lot of refactor
15:47:11 cdent efried: but we don't currently do that
15:47:34 lyarwood mriedem: still working out if that's even possible
15:47:46 efried cdent: So that's the point we need to consider. I'm not sure I agree that we should always write the allocation if it still fits.
15:47:51 lyarwood mriedem: yeah, the refactor also fixes a load of connect/disonnect issues
15:48:22 lyarwood mriedem: really I should've landed a smaller bugfix ahead of this on master to backport
15:49:03 mriedem hmmm,
15:49:04 mriedem like what?

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