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#openstack-nova - 2017-08-02
14:41:59 mriedem stephenfin: i can also summarize concerns in the ML quick
14:42:03 stephenfin mriedem: As for user-guide etc., Chason Chan (no idea what his IRC nick is) has patches up to move those
14:42:12 asettle We will!
14:42:15 asettle (what are we working on?)
14:42:32 mriedem stephenfin: he has install guide and admin guide, not the user guide
14:42:33 stephenfin that will also include the non-autogenerated cli stuff
14:42:46 mriedem i'll post a quick brain dump to the ML
14:42:48 stephenfin I'll do that one so
14:42:51 stephenfin mriedem: Sounds good
14:43:40 stephenfin asettle: The same thing we're always working on, asettle. Trying to take over the world
14:43:54 asettle Of course, Pinky
14:43:56 stephenfin Also, index.rst hijinks
14:44:07 asettle That's less cool.
14:51:38 openstackgerrit Ildiko Vancsa proposed openstack/nova master: Implement new attach Cinder flow https://review.openstack.org/330285
14:55:33 mriedem stephenfin: http://lists.openstack.org/pipermail/openstack-dev/2017-August/120482.html
14:56:01 stephenfin mriedem: Correct - *temporarily back
14:56:28 stephenfin but let's skip over that
14:56:38 mriedem my god
14:57:05 mriedem how dare you enjoy being young and single
15:01:08 stephenfin mriedem: Replied there. tl;dr: I agree with all point and will handle them this week
15:04:11 ildikov stephenfin: do the full experience with a tent, etc?
15:04:45 stephenfin ildikov: Yup, the full deal
15:05:15 openstackgerrit Gergely Csatari proposed openstack/nova master: Empty adminPass in Change Administrative Password https://review.openstack.org/490055
15:05:27 ildikov stephenfin: sounds cool!
15:05:32 stephenfin Not looking forward to the 8am starts because the sun is up and you either get out of the tent and die from a hangover or slowly melt in the tent
15:05:54 ildikov stephenfin: yeah, weather is a bit crazy over here
15:06:19 ildikov stephenfin: the forecast says some storms for next week, but it's a whole week so they have no idea yet anyway :)
15:06:40 ildikov stephenfin: but hopefully will cool down to manageable by next week regardless
15:08:06 mordred efried: ok - I've been nerd-sniped ...
15:08:16 stephenfin ildikov: I hope so. No one wants rain but sub 30 temperatures wouldn't go amiss, heh
15:08:17 efried mordred ?
15:08:32 stephenfin I'm sure I'll survive in any case though :)
15:08:58 ildikov stephenfin: yeah, I didn't want to scare you with it, just wanted to be sure you're prepared :)
15:09:01 mordred efried: I just wrote most of the auth followup patch as a result of reading through to make sure I understood where the issues were ;)
15:09:08 efried mordred Figuring out how to get the auth into the glance client ...
15:09:15 mordred yup. done. patch coming
15:09:19 sdague_ mriedem: you misread my email about what's not being used in multinode
15:09:21 stephenfin ildikov: Ha, cheers :)
15:09:24 efried mordred Cool beans.
15:09:25 mordred (this is the nerd-sniping that just hapepned)
15:09:46 mordred efried: there is a test case that I didn't fix because it's a bit yuck and I don't know enough about the nova test cases
15:09:51 mriedem sdague_: i realized after i sent that
15:09:58 ildikov stephenfin: :)
15:10:00 mordred (basically, there's a test case that doesn't have any auth context info already prepared)
15:10:08 mriedem "it" with multiple nouns in the same sentence has been hurting me lately
15:10:31 sdague_ heh, no problem
15:10:35 stephenfin ildikov: I've learnt from my ill fated "Sure, you'll only need a light cotton sheet to sleep with" experience at Zurich last year. Turns out it gets colddd at night
15:10:51 sdague_ mriedem: I also responded, email should hit soon
15:11:05 mriedem i will prepare to respond to your response
15:12:18 mriedem wow, has anyone realized that a single trove change runs 26 jobs?
15:15:36 ildikov stephenfin: yeah, better to prepare as if you're lucky it gets down to 15 degrees Celsius at night the second half of next week
15:16:31 ildikov stephenfin: which I like way better than 27 even if I have to sleep in a tent, but we all have different tastes :)
15:22:38 openstackgerrit Monty Taylor proposed openstack/nova master: WIP Use auth from context for glance api servers https://review.openstack.org/490057
15:22:41 mordred efried: ^^
15:22:50 efried mordred Ack
15:23:01 mordred efried: I didn't fix nova/tests/unit/api/openstack/compute/test_images.py because of the auth context thing
15:23:13 efried mordred You gonna?
15:27:53 mordred efried: not this moment - I hit my nerd-snipe limit for the day - feel free to use/takeover/ignore that patch - or if I get stuck on other things later today and need a different mental task I may try poking again
15:28:23 efried mordred Rgr. My comments may be for myself, then :)
15:29:01 mordred efried: woot!
15:38:48 openstack Launchpad bug 1707252 in OpenStack Compute (nova) "Claims in the scheduler does not account for doubling allocations on resize to same host" [Medium,Confirmed]
15:38:48 mriedem cdent: coming back to your question about the plan for fixing https://bugs.launchpad.net/nova/+bug/1707252 i don't know of one
15:39:38 mriedem but it's not part of https://review.openstack.org/#/c/488510/
15:39:47 cdent mriedem: yeah
15:40:28 cdent mriedem: the ideas I’ve heard batted around include:
15:40:40 mriedem the issue is here https://github.com/openstack/nova/blob/master/nova/scheduler/client/report.py#L196
15:41:02 cdent adding migration uuids and adding the old allocation using the migration uuid, setting the consumer_uuid to the new allocation
15:41:25 cdent simply doubling in the move to same case and worrying about shared resource providers some other time (they complicate things rather a lot)
15:42:19 mriedem the migration uuid thing can't happen in pike
15:42:40 cdent I’m a bit confused on the real status of “shared providers”. Do you know?
15:43:00 cdent we can returned shared providers, but I’m not sure we create them
15:43:13 cdent if we don’t create them, then the simple doubling thing _might_ be made to work
15:43:14 mriedem we don't use them in any dsvm ci job
15:43:25 mriedem we don't create them in nova no
15:43:40 mriedem something like the ceph ci job would create a shared resource provider for disk
15:43:55 mriedem if we had a multinode ceph job, we could have 2 compute onde RPs and a single shared ceph disk RP
15:44:09 cdent yes, but we’d first need a resource tracker that was properly shared provider aware
15:44:13 mriedem that's on the etherpad for queens ptg to discuss
15:44:20 mriedem right, which we know it's not
15:44:29 mriedem which is https://bugs.launchpad.net/nova/+bug/1707256
15:44:30 cdent that suggests, then, that we can proceed with a non-sharing solution for now
15:44:33 openstack Launchpad bug 1707256 in OpenStack Compute (nova) "Scheduler report client does not account for shared resource providers" [High,Confirmed] - Assigned to Jay Pipes (jaypipes)
15:45:02 edleafe So in a migration, would a shared resource, like disk, also be doubled?
15:45:24 cdent edleafe: long term, yes, but we don’t currently have them
15:45:25 mriedem it oculd
15:45:28 mriedem *could
15:45:43 mriedem if i'm resizing my disk from 20GB to 40GB, i need to account for that new disk allocatoin
15:45:56 cdent edleafe: and there’s also the cross case where a target host shares disk via two providers
15:46:12 edleafe mriedem: right, but would we account for the old 20GB and the new 40GB? Or just the larger?
15:46:17 cdent so you could migrate from: host a, disk x to host b, disk y OR host b, disk x
15:46:41 edleafe cdent: yeah, where the compute moves, but the disk doesn't
15:46:53 cdent edleafe: on the hangout earlier it was decided 60
15:47:07 cdent that is, potentially over allocate, do the simple math
15:47:14 edleafe cdent: yeah, that's probably easier to implement
15:47:27 cdent in some situations it would be wrong, but not wrong broken
15:47:32 edleafe too many use cases overlapping
15:47:43 cdent quite
15:49:36 cdent mriedem, edleafe I could spike a doubling for resize to same host, but it wouldn’t be able to get started until about 4 hours from now
15:49:44 dansmith cdent: mriedem right I think for pike we have to double the allocation and then just gracefully subtract our old_flavor from the allocation if we're the only provider
15:49:54 dansmith and not worry about the shared stuff for the moment

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