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| openstackgerrit | Richard Jones proposed openstack/nova: Allow filtering using unicode characters https://review.openstack.org/224431 | 00:55 |
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| openstackgerrit | Richard Jones proposed openstack/python-novaclient: Encode unicode filter arguments for server list https://review.openstack.org/224422 | 01:46 |
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| openstackgerrit | Matt Riedemann proposed openstack/nova: libvirt:on snapshot delete, use qemu-img to blockRebase if VM is stopped https://review.openstack.org/192736 | 02:35 |
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| openstackgerrit | Shuquan Huang proposed openstack/nova: Fix nova configuration options description https://review.openstack.org/224500 | 03:18 |
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| openstackgerrit | Samuel Cassiba proposed openstack/nova-specs: Add support for FreeBSD as a compute node https://review.openstack.org/224998 | 04:29 |
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| openstackgerrit | Takashi NATSUME proposed openstack/nova: Fix cinder volume stuck in swap_volume https://review.openstack.org/207385 | 05:33 |
| openstackgerrit | Takashi NATSUME proposed openstack/nova: Fix cinder volume stuck in swap_volume https://review.openstack.org/207385 | 05:36 |
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| nd | How to unconfigure Openstack services from a particular node? Suppose I am expanding my Openstack setup and hence deployed new powerful nodes to run some Openstack services, how can I unconfigure these services from the previous less powerful node? | 06:13 |
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| nd | bcos I believe that there would be entries in database as well as message broker - so it wont be just uninstall packages, stop services, cleanup. There has to be more - but what is it? Can anyone help please? | 06:14 |
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| openstackgerrit | OpenStack Proposal Bot proposed openstack/nova: Imported Translations from Zanata https://review.openstack.org/225026 | 06:27 |
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| zigo | When building the Liberty b3 package of Nova, I get the unit test suite dying... https://liberty-jessie.pkgs.mirantis.com/job/nova/17/console | 06:48 |
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| zigo | This happens only when building in Jenkins. | 06:48 |
| zigo | Has anyone see that? | 06:49 |
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| bauzas | zigo: looking | 08:07 |
| bauzas | (good morning Nova btw.) | 08:07 |
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| zigo | bauzas: I've increased the max-open-file in my jenkins, and I'm now attempting to rebuild again. | 08:08 |
| zigo | Let's see how it goes. | 08:08 |
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| bauzas | zigo: yeah, not related to Nova IMHO | 08:09 |
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| zigo | bauzas: I'm sure it's not as well, I have the issue with 2 other projects, though only when running Py3 tests. | 08:10 |
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| openstackgerrit | Alvaro Lopez Garcia proposed openstack/nova: libvirt: make live_migration_uri flag dependent on virt_type https://review.openstack.org/175780 | 08:30 |
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| openstackgerrit | Jianghua Wang proposed openstack/nova: Support vGPU to Xen https://review.openstack.org/223426 | 08:32 |
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| openstackgerrit | felix23ma proposed openstack/nova: Fix bug: volume booted instance rebuild doesn't change operating system in root device https://review.openstack.org/223887 | 08:40 |
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| openstackgerrit | felix23ma proposed openstack/nova: Bug fix: volume booted instance rebuild doesn't change operating system in root device https://review.openstack.org/223887 | 08:43 |
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| johnthetubaguy | nd I think you will get better answers to your usage questions on #openstack | 08:43 |
| johnthetubaguy | nd there are ways of deleting a service, APIs or CLIs in most of the services | 08:44 |
| johnthetubaguy | nd but many times thats a totally optional step, assuming no resources are owned by that old node (for example VMs running on nova-compute could be an issue) | 08:45 |
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| bauwser | johnthetubaguy: morning | 08:46 |
| bauwser | johnthetubaguy: if I want to add another proposal for a summit session, I guess I should continue to use gdocs and add it to the etherpad too ? | 08:46 |
| johnthetubaguy | bauwser: good morning dear mario character | 08:46 |
| johnthetubaguy | bauwser: oh, I don't think you need to do both | 08:47 |
| bauwser | johnthetubaguy: ok, what is the master then ? :) | 08:47 |
| bauwser | johnthetubaguy: gdocs? | 08:47 |
| bauwser | the slave being etherpad ? | 08:47 |
| johnthetubaguy | bauwser: yeah, gdocs is the master copy | 08:47 |
| johnthetubaguy | yeah | 08:47 |
| bauwser | ok, I guess some peon should just typey typey for syncing ? | 08:47 |
| johnthetubaguy | yep | 08:48 |
| johnthetubaguy | I cut and pastey the current stuff in there | 08:48 |
| bauwser | ok cool | 08:48 |
| PaulMurray | Morning johnthetubaguy bauwser | 08:48 |
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| bauwser | PaulMurray: morning | 08:49 |
| nd_ | johnthetubaguy: thanks for responding. I had posted this on #openstack also but did not get any response there | 08:49 |
| PaulMurray | johnthetubaguy, I put something on the sessions for live migration - with CI and everything else it seems a lot for one sessions | 08:49 |
| PaulMurray | but I thought I woud leave it and let you all decide what to do about it | 08:49 |
| johnthetubaguy | nd_: oh dear, yeah, I guess its quite empty this time of day | 08:49 |
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| PaulMurray | johnthetubaguy, do you want me to list everything I can think of on it or just leave it as a kind of marker for now? | 08:50 |
| johnthetubaguy | PaulMurray: good questions, I think my main concern is what do we want out of the discussion | 08:50 |
| nd_ | johnthetubaguy: no issues. will try again later then. any idea when would be a good time (after how many hours from now) - i mean ppl would be there to respond. sorry am fairly new here so asking. | 08:51 |
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| johnthetubaguy | nd_: no worries, there are some channels that peak in activity at certain times of the day, I suspect thats not right now for many | 08:52 |
| PaulMurray | johnthetubaguy, I think I've done that - with jogo moving on we are trying to sort out what to do about CI for live migration | 08:52 |
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| PaulMurray | johnthetubaguy, also various other things we worry about | 08:52 |
| johnthetubaguy | PaulMurray: I think there are some folks working on that | 08:52 |
| PaulMurray | johnthetubaguy, yes, I think they are HP unless there are others I don't know about | 08:52 |
| johnthetubaguy | PaulMurray: but thats really just a case of pushing on the current errors (I think there is a recent ML thread on that) | 08:52 |
| PaulMurray | do you know who | 08:52 |
| johnthetubaguy | I don't remember now, let me quickly check | 08:53 |
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| johnthetubaguy | PaulMurray: so the thing is, I am not sure it needs in person discussion, agreed it needs folks to push on it, and it needs discussion, but I could be looking at this all wrong | 08:54 |
| openstackgerrit | Pavel Kholkin proposed openstack/nova: WIP: Use legacy engineFacade from oslo_db.enginefacade https://review.openstack.org/221310 | 08:54 |
| johnthetubaguy | PaulMurray: http://lists.openstack.org/pipermail/openstack-dev/2015-September/073965.html | 08:55 |
| bauwser | PaulMurray: I've been heard that tdurakov was interested in helping | 08:55 |
| johnthetubaguy | yeah, thats right | 08:55 |
| bauwser | heh, jinxed by johnthetubaguy | 08:55 |
| johnthetubaguy | I think joining forces there would be good | 08:55 |
| johnthetubaguy | PaulMurray: so let me turn this upside down, what can we do to unblock what you want to push forward with? | 08:56 |
| bauwser | PaulMurray: I don't know his TZ tho | 08:56 |
| PaulMurray | johnthetubaguy, yes, just found that too - I'll catch up with them, a little further back there was a guy from HP looking to do something too | 08:56 |
| johnthetubaguy | cool, more folks = good news for these test failures | 08:56 |
| bauwser | PaulMurray: there are a couple of stuff also coming along with that - like some claims issues and scheduler too | 08:56 |
| PaulMurray | johnthetubaguy, there are a couple of specs that get tied up with tasks API that don't need to be immediately. Would like to be able to | 08:57 |
| bauwser | PaulMurray: so yeah I guess it would be nice to see what are the gaps | 08:57 |
| bauwser | PaulMurray: hah | 08:57 |
| johnthetubaguy | PaulMurray: ah, the cancel for when the memory can't sync? | 08:57 |
| PaulMurray | johnthetubaguy, cancel a migration for example - that kind of thing | 08:57 |
| johnthetubaguy | lol, yeah | 08:57 |
| bauwser | PaulMurray: https://review.openstack.org/#/c/221280/ | 08:57 |
| johnthetubaguy | PaulMurray: so the thing is, I think most folks think they are all good ideas | 08:58 |
| bauwser | I was just about asking johnthetubaguy that I was writing a new summit proposal and guess which one then | 08:58 |
| PaulMurray | bauwser, yes, good - would like not to wait for it :) | 08:58 |
| johnthetubaguy | PaulMurray: so I guess what we need is to tie the ideas into an action plan? | 08:58 |
| PaulMurray | johnthetubaguy, exactly | 08:58 |
| PaulMurray | johnthetubaguy, that's the gist of what I put on my session proposal | 08:59 |
| PaulMurray | johnthetubaguy, I have to go to a meeting | 08:59 |
| johnthetubaguy | PaulMurray: no worries, lets catch up later | 08:59 |
| openstackgerrit | Pavel Kholkin proposed openstack/nova: WIP: use oslo_db.enginefacade https://review.openstack.org/225065 | 09:00 |
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| johnthetubaguy | PaulMurray: I am thinking we can get this started pre-summit, an ML post to collect interested folks, get a proposal, and we can discuss that in the Nova IRC meeting, if that works for folks | 09:01 |
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| johnthetubaguy | PaulMurray: we made robustify evacuate a semi-priority, seems like robustify live-migrate would be something good for this cycle | 09:02 |
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| bauwser | johnthetubaguy: ndipanov was beginning to work on that during Liberty with the move claims btw. | 09:07 |
| bauwser | oops | 09:08 |
| bauwser | PaulMurray: ^ (rather) | 09:08 |
| openstackgerrit | Markus Zoeller (markus_z) proposed openstack/nova-specs: Create nova-bug-report cmd utility https://review.openstack.org/209847 | 09:10 |
| ndipanov | bauwser, but that did not materialize sadly | 09:11 |
| bauwser | ndipanov: yup, I know | 09:11 |
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| bauwser | ndipanov: I was just introducing you to PaulMurray who wants to gather stuff around live-mig :) | 09:11 |
| bauwser | hence my oops, I guess johnthetubaguy was aware of your work :) | 09:12 |
| johnthetubaguy | I saw bits of that for sure | 09:13 |
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| * PaulMurray reading back | 09:32 | |
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| PaulMurray | johnthetubaguy, getting started ahead of time is good - I can send out a post and and start pulling the proposal together with the responses - sound ok? | 09:36 |
| johnthetubaguy | PaulMurray: sounds good to me | 09:36 |
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| PaulMurray | johnthetubaguy, ok - I'll get on it | 09:36 |
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| bauwser | johnthetubaguy: given the new deprecation rules I can see on the ML, I wonder if https://review.openstack.org/#/c/194592/1/nova/scheduler/filters/trusted_filter.py,cm is still okay? | 10:10 |
| bauwser | johnthetubaguy: like saying instead "the filter will be removed in N..." | 10:10 |
| bauwser | instead of saying "in a later cycle" | 10:10 |
| johnthetubaguy | bauwser: I am fine with "in a later cycle" | 10:10 |
| bauwser | okay | 10:11 |
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| bauwser | I'm leaving a TODO then | 10:11 |
| johnthetubaguy | we need to wait until we are happy to remove it, the deprecation rules are just a minimum, as I understand it | 10:11 |
| bauwser | of course, that change should be merging until Mitaka opens | 10:11 |
| bauwser | s/only when | 10:11 |
| johnthetubaguy | personally, I am quick to deprecate, and slow to remove | 10:12 |
| bauwser | johnthetubaguy: well, I add a new log, so hello to StringFreeze... | 10:12 |
| johnthetubaguy | thats relaxed though now, right? | 10:13 |
| bauwser | that's adding a new log, I think it wouldn't be cool for the translators nope? | 10:13 |
| johnthetubaguy | it totally is now: https://wiki.openstack.org/wiki/StringFreeze | 10:13 |
| johnthetubaguy | I got the rules changed | 10:13 |
| johnthetubaguy | well, actually restored to what we used to do | 10:14 |
| bauwser | yeah saw that but didn't notice adding logs was okay | 10:14 |
| johnthetubaguy | yep, thats thats the main change | 10:14 |
| bauwser | okay, spinning off a new version | 10:14 |
| johnthetubaguy | cools | 10:14 |
| johnthetubaguy | my only (obvious) comment would be describing why in the commit message, but you know all that | 10:15 |
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| bauwser | johnthetubaguy: yeah, it was a WIP, I'm just writing that down | 10:18 |
| bauwser | johnthetubaguy: basically because of http://lists.openstack.org/pipermail/openstack-dev/2015-June/067766.html | 10:18 |
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| johnthetubaguy | bauwser: just went digging, I think this is the latest draft: https://review.openstack.org/#/c/207467/ | 10:20 |
| johnthetubaguy | bauwser: basically codifying what we do | 10:20 |
| bauwser | johnthetubaguy: ack, reading that | 10:20 |
| bauwser | johnthetubaguy: anyway, we were already following those rules | 10:21 |
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| johnthetubaguy | bauwser: yep, thats the point there, I got ML posts mixed up I think | 10:21 |
| bauwser | johnthetubaguy: I don't want to run for removing it | 10:21 |
| bauwser | johnthetubaguy: just send a signal that things have to move on | 10:21 |
| johnthetubaguy | bauwser: yeah, deprecation is the only signal we have, and I am OK with that | 10:22 |
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| bauwser | johnthetubaguy: what is a bit worrying me is that this warning will happen every time the filter is called, ie. for each host/query | 10:23 |
| bauwser | johnthetubaguy: that's not really nice | 10:23 |
| johnthetubaguy | bauwser: ah, so thats totally broken | 10:23 |
| bauwser | johnthetubaguy: so I'd probably do like cells and just notify at startup | 10:23 |
| johnthetubaguy | +1 | 10:23 |
| bauwser | johnthetubaguy: yeah, was thinking about that, okay correcting that | 10:23 |
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| bauwser | johnthetubaguy: sorry to bug you again about that, but do you think that change would require an UpgradeImpact (ie. relnotes updated) ? | 10:36 |
| bauwser | johnthetubaguy: I can only see removals in the relnotes, not deprecations | 10:37 |
| bauwser | oh nvm, I need to change my googles | 10:37 |
| bauwser | goggles even | 10:37 |
| johnthetubaguy | good question, we could add that I guess | 10:37 |
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| bauwser | addding it to https://wiki.openstack.org/wiki/ReleaseNotes/Liberty#Deprecations with a note to remove that if the change doesn't merge | 10:38 |
| johnthetubaguy | bauwser: cool, we need to get better at documenting our deprecations, I am kinda counting on the feature classification system, but thats probably not granular enough | 10:41 |
| openstackgerrit | Sylvain Bauza proposed openstack/nova: Deprecate TrustedFilter https://review.openstack.org/194592 | 10:42 |
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| openstackgerrit | huan proposed openstack/nova: Do not rely on XenAPI to guess device names https://review.openstack.org/213112 | 11:27 |
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| openstackgerrit | Jiri Suchomel proposed openstack/nova: Get the instance availability zone before creating volume so we can pass actual AZ value to volume API. https://review.openstack.org/225119 | 12:12 |
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| openstackgerrit | Davanum Srinivas (dims) proposed openstack/nova: Slightly better translation friendly formatting https://review.openstack.org/224009 | 12:18 |
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| abhishekk | jpipes: hi you around? | 12:31 |
| abhishekk | jaypipes: hi, you around? | 12:31 |
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| jaypipes | abhishekk: yes | 12:36 |
| abhishekk | jaypipes: I came across your ML, http://lists.openstack.org/pipermail/openstack-dev/2015-July/070564.html | 12:37 |
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| ankit_ag | alaski: hi you around? | 12:37 |
| jaypipes | abhishekk: yes. | 12:37 |
| abhishekk | jaypipes: this will also help in solving disk space issue for shared storage servers | 12:38 |
| abhishekk | jaypipes: are you working / any plan to work on this? | 12:38 |
| jaypipes | abhishekk: yes, that was one of the original ideas behind this. | 12:38 |
| abhishekk | jaypipes: https://bugs.launchpad.net/nova/+bug/1252321 | 12:38 |
| openstack | Launchpad bug 1252321 in OpenStack Compute (nova) "Nova counts NFS shared storage space on each node" [Medium,Confirmed] | 12:38 |
| jaypipes | abhishekk: yes, I have a team that will be working on this in the Mitaka timeframe. I need to create the blueprint for it, though. Gonna try to get to that shortly... | 12:39 |
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| jaypipes | abhishekk: yeah, that's an old bug that will be solved by this work. | 12:39 |
| abhishekk | jaypipes: thank you for update | 12:39 |
| jaypipes | abhishekk: of course, no problem. hope you can do code reviews on the patches when they are pushed! :) | 12:40 |
| abhishekk | jaypipes: sure, hope we can meet in design summit :) | 12:40 |
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| abhishekk | jaypipes: thank you for your time | 12:41 |
| jaypipes | abhishekk: yup, I'll be there! | 12:43 |
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| abhishekk | jaypipes: great, looking forward to have a word with you :) | 12:44 |
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| bauwser | jaypipes: morning :) | 12:48 |
| bauwser | jaypipes: FYI FYI https://review.openstack.org/#/c/194592/2 | 12:48 |
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| leakypipes | bauwser: coolio. will try to get to it today. this week has sucked ass with constant meetings... today I finally get a bit of a break from them. | 12:48 |
| bauwser | leakypipes: no worries, I think we should just deprecate it for Liberty | 12:49 |
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| leakypipes | bauwser: k | 12:51 |
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| tdurakov | leakypipes, hi! | 12:55 |
| leakypipes | tdurakov: mornin! | 12:55 |
| tdurakov | i've got idea for mitaka, https://blueprints.launchpad.net/nova/+spec/split-different-live-migration-types | 12:56 |
| tdurakov | leakypipes, what do you think? | 12:56 |
| * leakypipes looks | 12:56 | |
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| leakypipes | tdurakov: ooooh, I like it. a lot. | 12:56 |
| tdurakov | :) | 12:57 |
| leakypipes | tdurakov: I removed myself as the approver though, since I don't have any rights to do that :) | 12:57 |
| tdurakov | leakypipes, whom i could set as approver? | 12:57 |
| leakypipes | tdurakov: you can leave it blank, or put johnthetubaguy | 12:57 |
| leakypipes | tdurakov: probably want to write a short spec for this, too. and put it in the backlog... | 12:58 |
| leakypipes | tdurakov: with some details of proposed implementation... | 12:58 |
| tdurakov | johnthetubaguy hi! what do you think about spec for that? https://blueprints.launchpad.net/nova/+spec/split-different-live-migration-types | 12:58 |
| tdurakov | leakypipes, ack:) | 12:58 |
| johnthetubaguy | seems like a good idea | 12:59 |
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| johnthetubaguy | only need be small | 12:59 |
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| tdurakov | small spec, ok | 12:59 |
| johnthetubaguy | its a good way to get agreement on things | 12:59 |
| leakypipes | ya | 12:59 |
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| tdurakov | johnthetubaguy, ok, i'll add you as a reviewer for that | 13:00 |
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| tdurakov | should i use backlog folder for spec, or just wait for mitaka open? | 13:00 |
| johnthetubaguy | tdurakov: no problems, hoping to starting doing some spec reviews once we have RC cut | 13:00 |
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| johnthetubaguy | tdurakov: mitaka has been open for specs for a month or two, just go straight there | 13:00 |
| tdurakov | O_o | 13:01 |
| tdurakov | so slow | 13:01 |
| tdurakov | :-D | 13:01 |
| tdurakov | when is it closing? | 13:01 |
| johnthetubaguy | we haven't decided, I suspect around mitaka-1 ish | 13:01 |
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| johnthetubaguy | but in my little world of make believe, I would love to get most specs merged before the summit | 13:02 |
| tdurakov | johnthetubaguy, ok, i'll do my best for it | 13:02 |
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| johnthetubaguy | no worries, earlier is better, generally | 13:03 |
| bauwser | tdurakov: tbc, are you planning to modify only the compute manager and beyond, or also the conductor ? | 13:04 |
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| tdurakov | bauwser, i'd start with compute first | 13:04 |
| bauwser | tdurakov: btw. which TZ are you in ? | 13:04 |
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| bauwser | tdurakov: I'm asking for that because I wonder if you plan to modify the RPC interfaces | 13:05 |
| tdurakov | bauwser, UTC+3 | 13:05 |
| bauwser | ack | 13:05 |
| bauwser | Saratov then :) | 13:05 |
| tdurakov | yep | 13:05 |
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| tdurakov | bauwser, i'd prefer to focus on compute side first, and if it's ok - move refactoring to conductor | 13:06 |
| bauwser | tdurakov: I was unclear | 13:06 |
| tdurakov | ah | 13:06 |
| bauwser | tdurakov: are you planning to change the compute RPC API ? | 13:07 |
| tdurakov | you are talking about compute interaction? | 13:07 |
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| tdurakov | bauwser, i'm not ready to answer this question now:-Š· | 13:07 |
| bauwser | tdurakov: okay, a spec is worth it anyway | 13:08 |
| tdurakov | bauwser, yes | 13:08 |
| bauwser | tdurakov: but you should mention that in the spec | 13:08 |
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| tdurakov | sure | 13:08 |
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| bauwser | tdurakov: MHO is that you don't need to modify the RPC API | 13:09 |
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| tdurakov | bauwser, ack:) | 13:09 |
| bauwser | tdurakov: I mean, we have an API that provides both cold and live migrations | 13:10 |
| tdurakov | bauwser, right | 13:10 |
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| bauwser | tdurakov: so if you would plan to change the API, that would impact the cold migration too, which seems not to be scoped by your BP | 13:10 |
| bauwser | (speaking of RPC interface eh, not the REST one) | 13:10 |
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| tdurakov | bauwser, heh, i was sure that live and cold migrations are quite separate, and cold-migration is almost same as resize | 13:11 |
| tdurakov | anyway, i'm not going to change cold-migration and resize in this bp/spec | 13:12 |
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| andrearosa | I can't live-migrate a LVM instance, anyone knows if is it supposed to work? | 13:19 |
| openstackgerrit | Roman Podoliaka proposed openstack/nova: libvirt: delete the last file link in _supports_direct_io() https://review.openstack.org/224764 | 13:19 |
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| johnthetubaguy | tdurakov: you are right, in the code, but we have had plans to unify the REST APIs for those for a while, and the RPC APIs actually | 13:19 |
| mriedem | andrearosa: block migration or not? | 13:20 |
| andrearosa | block migration | 13:20 |
| mriedem | should work, there is a multi-node gate job that runs live block migration | 13:21 |
| mriedem | but it's not a volume-backed instance... | 13:21 |
| mriedem | andrearosa: is this boot from volume instance? or the instance was attached and then live migration? | 13:21 |
| andrearosa | it is not boot from volume | 13:21 |
| bauwser | johnthetubaguy: oh, wasn't aware of that, any pointers to share ? | 13:22 |
| openstackgerrit | Radomir Dopieralski proposed openstack/nova: Handle 404 responses from neutron when polling for floating IPs https://review.openstack.org/216746 | 13:22 |
| johnthetubaguy | bauwser: not to hand | 13:22 |
| bauwser | johnthetubaguy: (speaking of unifying the REST API resources) | 13:22 |
| bauwser | johnthetubaguy: okay, good to know anyway | 13:22 |
| johnthetubaguy | it was a while back | 13:22 |
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| mriedem | andrearosa: so you attached an lvm volume and then tried doing a block migration? | 13:22 |
| bauwser | johnthetubaguy: okay, meaning having the same resource for a migration but with different arguments ? | 13:23 |
| mriedem | andrearosa: are there errors in the n-cpu log? | 13:23 |
| johnthetubaguy | I have a feeling block migrate fails in libvirt when you have volumes attached, there is a check for that, or something | 13:23 |
| johnthetubaguy | bauwser: yep, migrate --live | 13:23 |
| bauwser | johnthetubaguy: I see | 13:24 |
| johnthetubaguy | bauwser: it was maybe a bit miss guided though, thinking about it more | 13:24 |
| johnthetubaguy | bauwser: what I really want is to use live-migrate during resize to minimise the downtime, although thats likely just to make it more unreliable | 13:25 |
| andrearosa | mriedem: sorry I think I didin't explain correctly. I have configured images_type=lvm then I boot an instance which is active with the ephemeral using the volume_group, at this poin tif I try to migrate it fails becasu it can't access the storage file | 13:25 |
| bauwser | johnthetubaguy: yeah we could probably discuss that during the summit | 13:25 |
| johnthetubaguy | bauwser: meh, we can if someone wants to actually work on it | 13:26 |
| bauwser | all the move operations are a bit confusing | 13:26 |
| mriedem | andrearosa: ah ok, so no cinder volumes involved | 13:26 |
| bauwser | johnthetubaguy: well, I mean, if PaulMurray's proposal is ack'd or something like that | 13:26 |
| andrearosa | mriedem: no sorry | 13:26 |
| bauwser | johnthetubaguy: but agreed, fair to say that only if s/o is stepping in :) | 13:27 |
| mriedem | andrearosa: ok, i haven't heard of that one, there were some other volume-backed live migration bugs reported recently so i was thinking it was a dupe | 13:27 |
| mriedem | andrearosa: we probably need a bug reported with logs | 13:28 |
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| johnthetubaguy | bauwser: true | 13:28 |
| andrearosa | mriedem: ok thanks | 13:29 |
| tdurakov | [16:23] <johnthetubaguy> bauwser: yep, migrate --live - where could ii find more about live flag? | 13:29 |
| bauwser | tdurakov: that's a discussion | 13:29 |
| bauwser | tdurakov: not something done yet | 13:29 |
| tdurakov | bauwser, ah | 13:29 |
| bauwser | tdurakov: unless someone wants to step in :) | 13:30 |
| tdurakov | bauwser, heh, adding some resize option to current l-m flow is a big challenge, more ifs more place to fail | 13:31 |
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| bauwser | tdurakov: nah the discussion was about to have the same REST API for all the migrations | 13:32 |
| bauwser | tdurakov: not adding more featurds | 13:32 |
| tdurakov | ok | 13:32 |
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| mriedem | ndipanoff: this is really old, there was a comment from you about making a fix in juno - is there any plan to still work on this? https://bugs.launchpad.net/nova/+bug/1291835 | 13:35 |
| openstack | Launchpad bug 1291835 in OpenStack Compute (nova) "Repeated volume attach can cause u'message': u'The supplied device path (/dev/vdc) is in use.'" [Medium,Confirmed] | 13:35 |
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| ndipanoff | mriedem, I guess so | 13:35 |
| ndipanoff | it's a race but it's not that serious | 13:35 |
| mriedem | ndipanoff: the suggestion was to move the device reservation into nova-api before casting to nova-compute for the volume attach | 13:37 |
| ndipanoff | yes | 13:37 |
| ndipanoff | but they are in the same method | 13:37 |
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| ndipanoff | so just re-ordering calls I think is what we want | 13:37 |
| mriedem | ndipanoff: i put a couple of other related bugs in there. in mitaka i think we should implement a callback listener in the libvirt driver to make device attach/detach synchronous from qemu | 13:37 |
| ndipanoff | and also making sure we unreserve on fail | 13:38 |
| ndipanoff | not sure I get what you mean | 13:38 |
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| mriedem | virDomainDeviceAttach/Detach is async | 13:40 |
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| ndipanoff | mriedem, i c | 13:41 |
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| mriedem | like with bug https://bugs.launchpad.net/nova/+bug/1297635 too | 13:42 |
| openstack | Launchpad bug 1297635 in OpenStack Compute (nova) "Race condition when deleting iscsi devices" [Medium,Confirmed] | 13:42 |
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| mriedem | i.e. it seems like we should wait for qemu to be done with the device detach before calling off to cinder to disconnect the volume | 13:43 |
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| mriedem | the reason i wanted the callback on the attach side was because in tempest you have to add code that waits for the partition to show up on the guest before you can actually consider the volume attached, regardless of what cinder says the volume status is | 13:43 |
| mriedem | and that's because virDomainDeviceAttachFlags is async | 13:44 |
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| ndipanoff | mriedem, ok so | 13:45 |
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| ndipanoff | this but can be solved by 1) having a lock like I proposed there | 13:46 |
| ndipanoff | 2) using qemu builtin iscsi support (currently missing multipath support) | 13:46 |
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| ndipanoff | mriedem, now on the callback - wouldn't we still be racing with the guest os there? | 13:47 |
| ndipanoff | as in - when the callback fires it does not mean that the guest os did it's thing | 13:47 |
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| mriedem | there is still a race, | 13:48 |
| mriedem | but we could at least be sure qemu finished it's job | 13:48 |
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| ndipanoff | mriedem, so if you are saying - let's instead test for that and stop sshing into the guest in tempest then +1< | 13:49 |
| ndipanoff | +1M | 13:49 |
| ndipanoff | :) | 13:49 |
| mriedem | yeah, the goal is to get closer to when cinder says the volume is in-use, it's actually ready to go | 13:51 |
| ndipanoff | yes that's a good idea | 13:51 |
| mriedem | rather than, 'we think it's in-use, but we don't really know, you figure it out' | 13:51 |
| ndipanoff | might be a bit tricky to do since driver doesn't call cinder attach | 13:52 |
| ndipanoff | but just a bit tricky really | 13:52 |
| ndipanoff | I like it - it's a good idea | 13:52 |
| ndipanoff | not really related to the iscsi race though | 13:53 |
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| mriedem | yeah, in the attach case we call cinder first to connect the volume and then qemu, so we're just waiting for the event from libvirt that virDomainAttachDeviceFlags is done, | 13:56 |
| mriedem | in detach we'd wait for virDomainDetachDeviceFlags to complete before calling disconnect_volume on cinder | 13:56 |
| mriedem | anyway, something for mitaka | 13:56 |
| mriedem | we have a shitload of volume related bugs with multipath involved | 13:56 |
| danpb | with attach, it is basically synchronous | 13:57 |
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| danpb | so by time virDomainAttachDeviceFlags returns, you know the device exists in QEMU | 13:57 |
| danpb | there's no guarantee the guets OS has done anything with it | 13:57 |
| ndipanoff | yeah but we shouldn't be checking the guest os really | 13:57 |
| ndipanoff | imho | 13:57 |
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| danpb | guess it depends what you are trying to validate in the test | 13:58 |
| mriedem | the test is just waiting for the partition to show up before it tries writing a file to it | 13:58 |
| danpb | checking the guest proves that the thing you did to qemu actually created something usable for the guest OS | 13:58 |
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| ndipanoff | ah it's the stamp test | 13:58 |
| mriedem | ndipanoff: yeah, still that one | 13:58 |
| danpb | if we didn't check the guest, we could think qemu was just fine, but in fact it was useless for the guest os | 13:58 |
| mriedem | which passes against liberty but not kilo or juno | 13:59 |
| ndipanoff | interesting | 13:59 |
| mriedem | but it works when i do it manually on a stable/kilo devstack | 13:59 |
| mriedem | so go figure | 13:59 |
| ndipanoff | how does it fail? | 13:59 |
| mriedem | in stable the initial volume attach api passes but the partition never shows up on the guest | 14:00 |
| mriedem | we timeout and fail | 14:00 |
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| ndipanoff | interesting | 14:01 |
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| mriedem | this was another bug that came up this week, would be good if you and danpb could take a look since it's marked liberty-rc-potential | 14:04 |
| mriedem | https://bugs.launchpad.net/nova/+bug/1493512 | 14:04 |
| openstack | Launchpad bug 1493512 in OpenStack Compute (nova) "n-cpu misreports shared storage when attempting to block migrate" [Undecided,New] | 14:04 |
| mriedem | and sseverson said that worked in kilo | 14:04 |
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| ndipanoff | mriedem, bleaugh | 14:06 |
| mriedem | if you start from the bottom and move it up it's easier | 14:07 |
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| mriedem | jbernard: jdurgin: ever seen this? https://bugs.launchpad.net/nova/+bug/1489555 | 14:08 |
| openstack | Launchpad bug 1489555 in OpenStack Compute (nova) "nova rbd volume attach to running instance in Kilo is failing" [Undecided,New] | 14:08 |
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| mriedem | ndipanoff: given your change to ignore the request device name when attaching a volume, this bug is basically invalid / won't fix now right? https://bugs.launchpad.net/nova/+bug/1489226 | 14:13 |
| openstack | Launchpad bug 1489226 in OpenStack Compute (nova) "Nova should support specifying the block devices(/dev/sd*) name to attach to the instance" [Undecided,New] | 14:13 |
| mriedem | it's not a bug anyway, it's a feature request | 14:13 |
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| mriedem | seems that guy should just keep using ec2... | 14:15 |
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| ndipanoff | mriedem, lol that bug | 14:17 |
| ndipanoff | shut. it. down. | 14:17 |
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| jbernard | mriedem: never | 14:18 |
| lxsli | mriedem: he should read https://review.openstack.org/195662 | 14:20 |
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| bauwser | BobBall: mmm, Xen CI seems to have gone to the weeds | 14:20 |
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| BobBall | bauwser: Already disabled | 14:27 |
| BobBall | A new test was added yesterday which doesn't work with Xen | 14:28 |
| bauwser | BobBall: ack | 14:28 |
| BobBall | There were 3 different failures in 1 week which sucks... And only one of them was directly the CI's fault :D | 14:28 |
| bauwser | BobBall: heh | 14:29 |
| bauwser | BobBall: you're my favourite person to yell :p | 14:29 |
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| BobBall | One thing that would be very useful is a way to bulk-set all 'recent' failures to remove the -1 and to chuck them into a queue of things that should be re-tested. Wouldn't that be nice. | 14:30 |
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| mriedem | ndipanoff: thoughts on this bug? https://bugs.launchpad.net/nova/+bug/1480131 - they are asking to get the volume attachment id back in the GET call on that nova-api; the thing is we'd have to store the volume attachment id in the BDM table | 14:34 |
| openstack | Launchpad bug 1480131 in OpenStack Compute (nova) "Volume_Attachment_ID uses Volume_ID" [Undecided,Confirmed] - Assigned to Wen Zhi Yu (yuywz) | 14:34 |
| mriedem | ndipanoff: part of me just wants to say, we don't want to proxy to cinder in this case, so use the cinder api to get the attachment id if you need it, but it seems like something we *could* solve in nova by stashing the attachment id in the bdm object | 14:35 |
| johnthetubaguy | sounds like that might help with multi attach, if we did that, but I really don't know the details there | 14:35 |
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| mriedem | eww i didn't think of multiattach | 14:35 |
| mriedem | but, it'd still be a single bdm per attach | 14:35 |
| mriedem | i'd think we could add the attachment_id to the block_device_mapping table like we have snapshot_id in there | 14:36 |
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| mriedem | it's definitely a spec, db migrations, bdm object updates, and api changes so a microversion | 14:37 |
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| johnthetubaguy | yeah, I was thinking the attachment id would be useful there, more than anything else | 14:38 |
| johnthetubaguy | it does sound like a spec | 14:38 |
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| openstackgerrit | Andrew Laski proposed openstack/nova: Devref: Document why conductor has a task api/manager https://review.openstack.org/224907 | 14:42 |
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| ndipanoff | mriedem, otp sorry | 14:50 |
| mriedem | np, i know i'm hammering you with questions :) | 14:50 |
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| _diana_ | kashyap: do you have a couple of minutes to try something for me on your multi-node devstack sandbox? | 15:01 |
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| kashyap | _diana_: Sure | 15:01 |
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| * kashyap checks if his setup is functional. . . | 15:03 | |
| mriedem | johnthetubaguy: i have notes inline in https://review.openstack.org/#/c/186742/ - short story is i think that's probably good enough for now in liberty, we can refactor/consolidate volume cleanup code in mitaka | 15:04 |
| _diana_ | kashyap: Thanks! I'm curious if you are able to do a live-migration (with --block-migrate to get around the shared storage requirement) | 15:04 |
| mriedem | johnthetubaguy: would be good if ndipanoff could take a pass at ^ before we approve though | 15:04 |
| mriedem | scottda: hemnafk: xyang1: would also be good if you could review https://review.openstack.org/#/c/186742/ | 15:04 |
| _diana_ | kashyap: ex. nova live-migration --block-migrate instance-3 compute-2.localhost.localdomain | 15:04 |
| kashyap | _diana_: I recall doing previously. But let me try. Yes, --block-migrate means no need for shared storage. | 15:05 |
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| xyang1 | mriedem: sure, let me take a look | 15:05 |
| johnthetubaguy | mriedem: OK, open to that idea, will go take another look at that | 15:05 |
| kashyap | _diana_: Under the hood, Nova is just calling libvirt. I usually do a direct test with libvirt CLI (`virsh`). Let me see find some notes on that. | 15:06 |
| johnthetubaguy | mriedem: oh, oops, I think it was really an old string freeze -1 with some nits | 15:06 |
| kashyap | _diana_: I mean, a direct test to see if live block migration is working at libvirt level. | 15:07 |
| _diana_ | kashyap: I don't get an error, but it also doesn't migrate. A 'nova show <instance>' shows that it didn't actually change hosts. | 15:07 |
| mriedem | _diana_: kashyap: maybe take a look at this https://bugs.launchpad.net/nova/+bug/1493512 | 15:07 |
| openstack | Launchpad bug 1493512 in OpenStack Compute (nova) "n-cpu misreports shared storage when attempting to block migrate" [Undecided,New] | 15:07 |
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| mriedem | _diana_: migrate is a cast | 15:07 |
| kashyap | mriedem: I think _diana_ is trying to reproduce that | 15:07 |
| mriedem | so there might actually be an instance fault or instance action error associated with the instance | 15:07 |
| mriedem | _diana_: there should be an error in the n-cpu log though | 15:08 |
| kashyap | Yeah | 15:08 |
| ndipanoff | mriedem, that fix looks good | 15:08 |
| leakypipes | tdurakov: you see the note on openstack-dev from PaulMurray entitled "live migration in Mitaka"? | 15:09 |
| mriedem | ndipanoff: sweet, a +2 from you there would be nice when you're off the phone | 15:09 |
| leakypipes | tdurakov: you might want to throw your hat into that ring, since you've been focusing on that for a while now :) | 15:09 |
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| _diana_ | kashyap, mriedem: this is the bug I'm trying to reproduce: https://bugs.launchpad.net/nova/+bug/1496135 But for now, I'm just trying to do a successful live-migration for the first time (I'm new to openstack). | 15:09 |
| openstack | Launchpad bug 1496135 in OpenStack Compute (nova) "libvirt live-migration will not honor destination vcpu_pin_set config" [Medium,New] | 15:09 |
| tdurakov | leakypipes, yes, seen, i'd like to watch video from summit first | 15:09 |
| leakypipes | tdurakov: it's a good one :) mgilliard at his finest :) | 15:10 |
| tdurakov | :) | 15:10 |
| kashyap | _diana_: Here's some notes to test (a couple of diff. variants) migration directly with libivirt - https://kashyapc.fedorapeople.org/virt/libvirt-migration-tests-with-qemu+tcp.txt | 15:10 |
| kashyap | _diana_: If that succeeds, you can try w/ --block-migrate with Nova. | 15:10 |
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| ndipanoff | mriedem, done - best for johnthetubaguy to ack it | 15:12 |
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| _diana_ | kashyap: And when you try a live-migration with --block-migrate on your multi-node devstack, do you get errors? I want to rule out an incorrectly setup multi-node devsatck first (before digging into the actual migration guts) | 15:13 |
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| _diana_ | kashyap: I'm asking because I'm getting keystone errors using the "same" setup as you. For example: Unable to establish connection to http://192.168.122.167:35357/v2.0/tokens | 15:14 |
| _diana_ | kashyap: So I think I have some more set up to do first. | 15:14 |
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| mriedem | ndipanoff: thanks | 15:15 |
| kashyap | _diana_: Yeah, ensure you have password-less SSH access to the dest host. | 15:15 |
| kashyap | _diana_: I need to step out for a bit. I'll check scroll when I'm back. | 15:15 |
| _diana_ | kashyap: thanks | 15:15 |
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| lxsli | does string freeze prevent changing _LW strings please? | 15:17 |
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| johnthetubaguy | mriedem: ndipanoff: thanks, agreed its a step forward, I am good with that | 15:19 |
| johnthetubaguy | lxsli: not any more | 15:19 |
| johnthetubaguy | lxsli: https://wiki.openstack.org/wiki/StringFreeze | 15:19 |
| ndipanoff | mriedem, as for that volume attachment id thing | 15:20 |
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| ndipanoff | I'd close it as won't fix | 15:20 |
| johnthetubaguy | lxsli: only just changed that | 15:20 |
| ndipanoff | we really don't want to further couple nova and cinder | 15:20 |
| ndipanoff | plus that thing just returns a volume uuid so it's probably not even a bug | 15:20 |
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| johnthetubaguy | ndipanoff: mriedem: are you seeing any more bugs that should block RC1? | 15:20 |
| mriedem | johnthetubaguy: it sounds like there is some live migration bug that a bunch of people are hitting this week | 15:21 |
| lxsli | johnthetubaguy: "What's not OK: Changing existing strings... EG log messages" | 15:21 |
| mriedem | ndipanoff: i agree the volume attachment id thing isn't a bug, it's a feature request | 15:21 |
| lxsli | johnthetubaguy: still reads to me as though _LW is off limits? | 15:22 |
| mriedem | ndipanoff: which is why i marked as wishlist | 15:22 |
| johnthetubaguy | lxsli: ah, I missed the change bit | 15:22 |
| johnthetubaguy | lxsli: depends how bad it is really | 15:22 |
| mriedem | ndipanoff: there is a workaround, they can get the volume attachment id from cinder when they do the volume get there i think | 15:22 |
| lxsli | it's a bit moot as the change had a _ change too | 15:22 |
| johnthetubaguy | lxsli: if we would rather ship untranslated than inaccurate, I am good with it | 15:22 |
| lxsli | pretty minor stuff too | 15:23 |
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| johnthetubaguy | mriedem: ah, did you see a link to that, I remember you mentioning something earlier | 15:26 |
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| johnthetubaguy | ndipanoff: this one seems interesting around ephemeral disk checks: https://review.openstack.org/#/c/213762/2 | 15:27 |
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| openstackgerrit | Mike Dorman proposed openstack/nova: Cells v1: Support attach/detach interface events https://review.openstack.org/215459 | 15:30 |
| xyang1 | mriedem: I just added comments there. | 15:31 |
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| xyang1 | mriedem: so the two patches are related but not exactly the same. | 15:35 |
| mriedem | johnthetubaguy: this one https://bugs.launchpad.net/nova/+bug/1493512 | 15:35 |
| openstack | Launchpad bug 1493512 in OpenStack Compute (nova) "n-cpu misreports shared storage when attempting to block migrate" [Undecided,New] | 15:35 |
| mdenny | In Juno the virsh dumpxml instance has 26 luns on nova compute yet CentOS 6.6 running on that instance has 25 luns, is this a known limit? | 15:36 |
| openstackgerrit | Ed Leafe proposed openstack/nova: Replace os.path.join() for URLs https://review.openstack.org/218309 | 15:37 |
| johnthetubaguy | mriedem: ah, thanks, important, not a super new regression it seems | 15:37 |
| mriedem | xyang1: in that code, when we call volume_api.detach, we're already in a with excutils.save_and_reraise_exception(): block | 15:38 |
| mriedem | xyang1: so unless i'm missing something, we're already going to raise the original exception from the volume_api.attach failure | 15:38 |
| xyang1 | mriedem: I mean if detach throws exception, ignore it | 15:39 |
| johnthetubaguy | mriedem: dammit, yes, I read that earlier | 15:39 |
| openstackgerrit | Joel Coffman proposed openstack/nova: libvirt: Add unit tests for methods https://review.openstack.org/198880 | 15:39 |
| xyang1 | mriedem: do you want to throw exception during cleanup? | 15:39 |
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| mriedem | xyang1: excutils.save_and_reraise_exception() should ignore it | 15:41 |
| mriedem | xyang1: and since it's the last thing we do in the excutils.save_and_reraise_exception() block, i don't think it matters if it raises an exception | 15:41 |
| mriedem | xyang1: it wouldn't hurt to handle it and pass, but i don't think it's going to cause problems either | 15:41 |
| xyang1 | mriedem: alright | 15:41 |
| _diana_ | kashyap: Wouldn't I have trouble doing anything via the CLI or dashboard if was having keystone issues though? But it's the only error I see in the devstack logs when I try to do a live-migration. Off to grab some lunch... back in a bit | 15:42 |
| xyang1 | mriedem: so I think it is fine, but our patch was trying to solve a similar problem earlier in that function | 15:42 |
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| xyang1 | mriedem: so this won't fix that | 15:43 |
| openstackgerrit | Mark Doffman proposed openstack/nova: DO NOT MERGE: Extra logging for lxc teardown fail. https://review.openstack.org/223125 | 15:44 |
| xyang1 | mriedem: we can do something similar for initialize_connection | 15:44 |
| mriedem | xyang1: oh | 15:45 |
| mriedem | hrm, maybe unduplicate your bug | 15:45 |
| mriedem | doffm: fyi https://bugs.launchpad.net/nova/+bug/1497343 | 15:45 |
| openstack | Launchpad bug 1497343 in OpenStack Compute (nova) "Need to consolidate duplicated volume detach code between compute manager and block_device" [Low,Triaged] | 15:45 |
| xyang1 | mriedem: ok | 15:45 |
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| ndipanoff | johnthetubaguy, thanks - commenting | 15:48 |
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| openstackgerrit | Pavel Kholkin proposed openstack/nova: WIP: Use legacy engineFacade from oslo_db.enginefacade https://review.openstack.org/221310 | 16:20 |
| openstackgerrit | Andrea Rosa proposed openstack/nova: Nova-manage command for cleaning volume attachment https://review.openstack.org/184537 | 16:20 |
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| openstackgerrit | Nikola Dipanov proposed openstack/nova: rebuild: RPC sends additional args and claims are done https://review.openstack.org/200485 | 17:02 |
| openstackgerrit | Nikola Dipanov proposed openstack/nova: claims: move a debug msg to a warn on missing migration https://review.openstack.org/224013 | 17:02 |
| ndipanoff | superdan, ^^ | 17:02 |
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| openstackgerrit | OpenStack Proposal Bot proposed openstack/nova: Updated from global requirements https://review.openstack.org/225231 | 17:12 |
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| openstackgerrit | Mike Dorman proposed openstack/nova: Cells v1: Support attach/detach interface events https://review.openstack.org/215459 | 17:21 |
| openstackgerrit | Daniel Berrange proposed openstack/nova-specs: Libvirt real time instances https://review.openstack.org/139688 | 17:22 |
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| mriedem_lunch | ociuhandu: can you see if we can get the test_add_remove_fixed_ip tempest test to run on https://review.openstack.org/#/c/214493/ in the hyper-v ci? | 17:54 |
| mriedem_lunch | that's what's holding up that change | 17:54 |
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| ctrath | mikal: has it been decided that we don't need to do a fix for this in Nova? https://bugs.launchpad.net/nova/+bug/1415087 | 18:18 |
| openstack | Launchpad bug 1415087 in OpenStack Compute (nova) "[OSSA 2015-011] Format-guessing and file disclosure in image convert (CVE-2015-1850, CVE-2015-1851)" [High,Triaged] - Assigned to Tony Breeds (o-tony) | 18:18 |
| ctrath | there hasn't been any movement in that bug for a while | 18:19 |
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| superdan | ctrath: the state of the bug seems clear to me | 18:21 |
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| manjeet_ | https://review.openstack.org/#/c/198880 | 18:22 |
| manjeet_ | does this resolves any issue ? | 18:23 |
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| ctrath | superdan: triaged? | 18:23 |
| superdan | ctrath: I mean the comments.. have you read them? No plans for a nova patch, and if we decide later, there'll be a different advisory | 18:24 |
| ctrath | yeah.. it's not clear that there isn't a plan | 18:25 |
| ctrath | I guess I was expecting a response from tonyb | 18:25 |
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| openstackgerrit | Drew Fisher proposed openstack/nova: Add Solaris to vm_modes and hvtype https://review.openstack.org/225267 | 18:31 |
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| doffm | ctrath: https://bugs.launchpad.net/nova/+bug/1497293 | 18:32 |
| openstack | Launchpad bug 1497293 in OpenStack Compute (nova) "Nova misuses qemu-img for kernel and initrd" [Medium,Confirmed] - Assigned to Mark Doffman (mjdoffma) | 18:32 |
| mragupat | After we spun VM in open-stack ? Is it possible to edit the network and change the ip address of the VM ? | 18:33 |
| openstackgerrit | Nikola Dipanov proposed openstack/nova: rebuild: RPC sends additional args and claims are done https://review.openstack.org/200485 | 18:35 |
| openstackgerrit | Nikola Dipanov proposed openstack/nova: claims: move a debug msg to a warn on missing migration https://review.openstack.org/224013 | 18:35 |
| ndipanoff | superdan, I found an issue ^ | 18:36 |
| ndipanoff | check it out again | 18:36 |
| superdan | call, back in a bit | 18:36 |
| ndipanoff | superdan, cool thanks! | 18:36 |
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| openstackgerrit | xing-yang proposed openstack/nova: Rollback is needed if initialize_connection times out https://review.openstack.org/225278 | 19:02 |
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| openstackgerrit | Jiri Suchomel proposed openstack/nova: Get the instance availability zone before creating volume so we can pass actual AZ value to volume API. https://review.openstack.org/225119 | 19:08 |
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| bauwser | mriedem_lunch: around ? I'm currently reviewing https://review.openstack.org/#/c/225119/2/nova/virt/block_device.py,cm | 19:28 |
| bauwser | mriedem_lunch: and I need some clarification about how Cinder needs to know Nova AZs | 19:29 |
| bauwser | mriedem_lunch: from my understanding, we don't need to have the same AZs for Nova and Cinder, since there are 2 different failure domains (host vs. volume) | 19:31 |
| openstackgerrit | Mark Doffman proposed openstack/nova: libvirt: Don't attempt to convert initrd images. https://review.openstack.org/225289 | 19:32 |
| vilobhmm_11 | superdan : ping | 19:32 |
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| _diana_ | kashyap, superdan: It's a miracle! I have live-migration working :) I ran into this: https://bugs.launchpad.net/devstack/+bug/1487262 (among a bunch of other things). If I wasn't 7 months pregnant, it would be beer o'clock. #cheers | 19:53 |
| openstack | Launchpad bug 1487262 in devstack "live migration doesn't work with default config" [Undecided,In progress] - Assigned to Zhenzan Zhou (zhenzan-zhou) | 19:53 |
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| superdan | _diana_: understood ... non-alcoholic beer o clock, glad to hear it | 19:54 |
| _diana_ | superdan, kashyap, etc: thanks again for the help. have a great weekend! | 19:55 |
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| vilobhmm_11 | superdan : ping | 19:56 |
| vilobhmm_11 | quick question | 19:56 |
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| superdan | vilobhmm_11: okay | 19:58 |
| vilobhmm_11 | when trying to boot multiple instance just 5 | 19:58 |
| openstackgerrit | jichenjc proposed openstack/nova-specs: Allow adjust ephemeral disks during resize https://review.openstack.org/145736 | 19:58 |
| vilobhmm_11 | and the scheduler either times out or says no valid host found | 19:58 |
| vilobhmm_11 | seeing lots of "message:DynamicĀ looping call <bound method Service.periodic_tasks of <nova.service.Service object at 0x39962d0>> sleeping for 58.06 seconds" | 19:58 |
| vilobhmm_11 | messages in scheduler log | 19:58 |
| vilobhmm_11 | not understanding what that exactly means | 19:59 |
| vilobhmm_11 | https://bugs.launchpad.net/nova/+bug/1368037Ā check comment irc://irc.corp.yahoo-inc.com:6697/#7 talks about the sameā¦ | 19:59 |
| openstack | Launchpad bug 1368037 in OpenStack Compute (nova) "tempest-dsvm-postgres-full fail with 'Error. Unable to associate floating ip'" [Medium,Incomplete] | 19:59 |
| superdan | it means it's running periodic tasks, which is good | 19:59 |
| vilobhmm_11 | ok | 19:59 |
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| vilobhmm_11 | so that wait should not be a bottleneckā¦ | 20:00 |
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| superdan | right | 20:01 |
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| kashyap | _diana_: Likewise (I _just_ came back). We can troubleshoot when you're back on Monday. | 20:03 |
| kashyap | Ah, you said you got it working, great! | 20:03 |
| _diana_ | kashyap: :) | 20:03 |
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| _diana_ | kashyap: Thanks! | 20:04 |
| vilobhmm_11 | superdan : do you see a possible reason why this might be happening ? or have you seen anything of this sort happening before ? | 20:04 |
| superdan | vilobhmm_11: why it's running periodic tasks? | 20:06 |
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| vilobhmm_11 | superdan : I don't understand the concept of periodic task and why the periodic tasks are run; thats why I thought will check with you.. | 20:09 |
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| mriedem | vilobhmm_11: because there are tasks which need to be run, periodically | 20:12 |
| superdan | vilobhmm_11: it's supposed to run them all the time.. if it didn't nothing would work | 20:12 |
| superdan | right | 20:12 |
| mriedem | vilobhmm_11: most of the tasks are health checking type things, or cleanup tasks | 20:12 |
| vilobhmm_11 | mriedem, dansmith : that makes it more clear..thanks! | 20:14 |
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| bauwser | vilobhmm_11: IIRC, the only periodic task for the scheduler is for the quotas expiration | 20:15 |
| jichen | mriedem: hi, have a min for a question? | 20:15 |
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| superdan | bauwser: service checkin | 20:15 |
| superdan | bauwser: veeeery important :) | 20:15 |
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| bauwser | superdan: service checkin' ? | 20:16 |
| superdan | bauwser: the service update ... the thing that makes service-list show it as up | 20:16 |
| bauwser | hah | 20:16 |
| bauwser | right | 20:16 |
| superdan | :) | 20:17 |
| mriedem | runs every 10 seconds right? | 20:17 |
| mriedem | jichen: maybe, just ask | 20:17 |
| jichen | mriedem: do you know each 3rd party test runs full tempest or just a subset of them? any criteria if they tailor it ? | 20:18 |
| jichen | mriedem: I mean 3rd party CI, sorry | 20:18 |
| mriedem | bauwser: i guess i'm not familiar with https://review.openstack.org/#/c/225119/ | 20:18 |
| mriedem | i'd have to dig int othe code | 20:19 |
| mriedem | jichen: i think some are filtering on subsets | 20:19 |
| vilobhmm_11 | bauwser, superdan : do 2 periodic task for scheduler are quotas expiration and service checkin ? starts to look for the same in the code | 20:19 |
| bauwser | mriedem: yeah, me too, but I wonder why we need to provide the AZ to Cinder | 20:19 |
| bauwser | vilobhmm_11: I just looked at the service, and so we have 3 periodic taks | 20:19 |
| bauwser | sks | 20:19 |
| superdan | vilobhmm_11: I'm not sure what your goal is.. if you're having problems booting guests, the fact that they *are* running is not your problem | 20:19 |
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| bauwser | vilobhmm_11: so, there is the main Service checking done by the base Service | 20:20 |
| jichen | mriedem: any wiki or any info that I can refer to ? or maybe someone might know much about it ?Thanks | 20:20 |
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| jichen | mriedem: or maybe I can ask in ML? | 20:20 |
| bauwser | vilobhmm_11: then, there is the quota expiration and then there is a base method for any driver | 20:20 |
| vilobhmm_11 | superdan : yes that is clear now..thanks ! | 20:20 |
| mriedem | jichen: i'd probably ask people that run 3rd party ci on nova, like krtaylor, BobBall_AWOL, ociuhandu | 20:20 |
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| jichen | mriedem: ok, thanks for the info :) | 20:21 |
| vilobhmm_11 | bauwser : cool thanks! | 20:21 |
| bauwser | vilobhmm_11: like superdan said, no reasons to have the periodic tasks to be wrong | 20:21 |
| vilobhmm_11 | bauwser : ok | 20:22 |
| bauwser | vilobhmm_11: you probably need to look at the n-sch.log | 20:22 |
| bauwser | and see which filter returns 0 hosts | 20:22 |
| vilobhmm_11 | I am looking at the same | 20:22 |
| vilobhmm_11 | ComputeHostFilter returns 0 | 20:22 |
| bauwser | given your problem, I'd bet for the ComputeFilter saying 0 hostds | 20:22 |
| bauwser | heh | 20:22 |
| vilobhmm_11 | :P | 20:22 |
| bauwser | I should play pokier | 20:22 |
| bauwser | poker | 20:22 |
| vilobhmm_11 | you should | 20:22 |
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| vilobhmm_11 | ha | 20:22 |
| bauwser | soooo, nova service-list | 20:23 |
| bauwser | and see if your n-cpu are fine | 20:23 |
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| bauwser | mriedem: back to the AZ stuff, I understand that operators would love to have the same AZs | 20:24 |
| vilobhmm_11 | bauwser : yes checking it | 20:24 |
| bauwser | mriedem: because they don't know what are the AZs actually, and they think it's a failure domain | 20:24 |
| bauwser | which is not | 20:24 |
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| mriedem | bauwser: was the error in the bug report coming from nova or cinder? | 20:25 |
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| mriedem | bauwser: maybe we need someone from cinder to peak at that change | 20:25 |
| mriedem | peek | 20:25 |
| mriedem | jgriffith: is always good for a peek | 20:25 |
| bauwser | mriedem: agreed | 20:25 |
| bauwser | mriedem: I guess the error comes from Cinder | 20:25 |
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| bauwser | "creating the volume will fail" => so yeah it's a Cinder error | 20:26 |
| bauwser | (at least, my Atom says it's not in Nova :) ) | 20:26 |
| bauwser | man, everytime I'm looking at AZs, I'm thinking about writing a ML flamewar saying "AZs are not failure domains" | 20:27 |
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| mriedem | wouldn't a flamewar imply someone would disagree with you? | 20:28 |
| bauwser | zactly | 20:28 |
| bauwser | I expect that | 20:28 |
| bauwser | I mean, AZs are failure domains, but for hosts, not clouds :) | 20:29 |
| bauwser | it just makes sure that 2 instances in 2 AZs will not have the same hosts | 20:29 |
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| bauwser | which could be a strict definition of a failure domain | 20:29 |
| bauwser | but not the way people are expecting with the term "Availability Zone" | 20:30 |
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| mriedem | i guess i have to read up on CONF.cinder.cross_az_attach | 20:31 |
| mriedem | i -1ed for now anyway | 20:31 |
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| mriedem | needs more details in the commit message, pep8 error, and needs a unit test | 20:31 |
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| bauwser | mriedem: sure, I was about nitpicking for importing the CONF stuff | 20:35 |
| bauwser | mriedem: but that leaves me wondering why we need all of that | 20:36 |
| bauwser | mriedem: I mean, I understand the problem | 20:36 |
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| bauwser | mriedem: since instance.az can be nullable by default, getting the real AZ by calling the AZ helper (which gets from the real host) is understandable | 20:36 |
| bauwser | mriedem: but I don't like seeing that to called in a virt domain | 20:37 |
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| bauwser | mriedem: so my wonders are | 20:37 |
| bauwser | #1 that shows that inst.az is useless because we need to call an helper, we should probably think about getting the real AZ other way | 20:37 |
| bauwser | #2 why the heck are we needing that ? | 20:38 |
| mriedem | you want to see the az helper called in the nova-api layer? | 20:38 |
| mriedem | instead? | 20:38 |
| bauwser | mriedem: I mean | 20:38 |
| bauwser | mriedem: something is wrong and I wonder how we should provide the real AZ information to the block device | 20:39 |
| bauwser | mriedem: but only if *really* needed | 20:39 |
| bauwser | and yeah, the AZ helper should stay being called by n-api | 20:40 |
| bauwser | because of the layer isolation | 20:40 |
| bauwser | anyway, -1'ing for the moment but I dislike not providing a clear alternative path for the moment :/ | 20:41 |
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| mriedem | i don't know enough about the issue to really say either way. if we need to pass this in from the n-api layer that seems possible to do from the volume attachment api | 20:43 |
| mriedem | i also don't know enough about that az helper to understand the layer isolation issues, it looks like a basic utility method | 20:43 |
| bauwser | mriedem: at least, we should get it from a NovaObject IMHO | 20:44 |
| bauwser | mriedem: it's using a cache | 20:44 |
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| mriedem | i thought you were trying to remove the cache? | 20:44 |
| bauwser | mriedem: what I want to remove, but that's another story | 20:44 |
| bauwser | yeah | 20:44 |
| bauwser | mriedem: but IMHO we have objects, we should use them from the compute | 20:44 |
| bauwser | and not call some old helper modules | 20:45 |
| mriedem | does the helper method hit the DB directly? | 20:45 |
| bauwser | for getting something from an object anyway... | 20:45 |
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| bauwser | mriedem: nope, it's calling the Compute object IIRC | 20:45 |
| mriedem | so.... | 20:45 |
| mriedem | isn't that what you want? | 20:45 |
| bauwser | mriedem: so that's okay, but that's an indirection | 20:45 |
| openstackgerrit | OpenStack Proposal Bot proposed openstack/nova: Updated from global requirements https://review.openstack.org/225231 | 20:45 |
| mriedem | bauwser: there are other things in the virt drivers that get things indirectly via the objects | 20:46 |
| bauwser | mriedem: that's another level of indirection | 20:46 |
| bauwser | mriedem: oh sec, thinking about something | 20:47 |
| bauwser | yeah, I have an idea | 20:48 |
| bauwser | mriedem: adding a property to the Instance object for calling the real AZ from the ComputeNode object would have my preference | 20:48 |
| bauwser | mriedem: or a methog .get_host_az() | 20:49 |
| mriedem | ok | 20:50 |
| bauwser | that way, we would keep the Instance object being the right facade for getting the info | 20:50 |
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| openstackgerrit | Akhila Chetlapalle proposed openstack/python-novaclient: Support to boot a VM with network name https://review.openstack.org/225326 | 20:56 |
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| mriedem | bauwser: i have some disturbing news for you | 21:17 |
| bauwser | mriedem: okay ? santa is not really real ? | 21:18 |
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| mriedem | https://github.com/openstack/nova/blob/master/nova/volume/cinder.py#L295 | 21:18 |
| mriedem | az.get_instance_availability_zone is already called from volume_api.check_attach | 21:18 |
| mriedem | which is a thing that's already called from block_device | 21:18 |
| mriedem | although, | 21:19 |
| bauwser | weird | 21:19 |
| bauwser | I checked that previously | 21:19 |
| mriedem | when the compute manager calls block_device.attach, i think it doesn't pass check_attach=True | 21:19 |
| bauwser | and I missed that one | 21:19 |
| bauwser | mriedem: never ever ? | 21:19 |
| mriedem | i think nova-api actually calls volume_api.check_attach | 21:19 |
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| bauwser | mriedem: I see | 21:19 |
| mriedem | block_device.attach has a kwarg to call it though | 21:20 |
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| mriedem | i just do'nt think it's used from the compute manager | 21:20 |
| bauwser | mriedem: okay, so we're still good | 21:20 |
| mriedem | do_driver_attach=True is what happens from the compute manager | 21:20 |
| mriedem | but, | 21:20 |
| mriedem | there is still precedent here already for that call from the compute layer | 21:20 |
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| bauwser | mriedem: I need to read code then | 21:21 |
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| mriedem | https://github.com/openstack/nova/blob/master/nova/compute/api.py#L3065 | 21:22 |
| mriedem | that's the call from nova-api | 21:23 |
| bauwser | okay | 21:23 |
| bauwser | agreed | 21:23 |
| mriedem | this is the compute manager call https://github.com/openstack/nova/blob/master/nova/compute/manager.py#L4553 | 21:24 |
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| bauwser | mriedem: okay, I need to think about that | 21:26 |
| mriedem | i guess this would be a boot from volume case | 21:26 |
| bauwser | but I now see why the proposer added that call | 21:27 |
| bauwser | yeah | 21:27 |
| mriedem | but i think compute api still calls volume_api.check_attach when validating bdms in the boot from volume call | 21:27 |
| mriedem | oh but only for a preexisting volume https://github.com/openstack/nova/blob/master/nova/compute/api.py#L1333 | 21:27 |
| mriedem | not in the source=image dest=volume case | 21:28 |
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| bauwser | yeah the volume exists | 21:29 |
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| mriedem | volume_api.check_attach is doing the same az check, so maybe they should just call that from compute.api._validate_bdm | 21:30 |
| mriedem | in the source=image/dest=volume case | 21:30 |
| mriedem | idk, whatevs, it's late on a friday | 21:30 |
| bauwser | yup, me too | 21:30 |
| bauwser | my brain is a bit fried (c) johnthetubaguy | 21:31 |
| bauwser | food for thoughts | 21:31 |
| bauwser | have a nice we, folks ! | 21:31 |
| bauwser | weekendquit | 21:31 |
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| bauzas | mriedem: ty for your help | 21:31 |
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| mriedem | ttyl | 21:33 |
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| mriedem | hemnafk: i have a feeling that you might have already fixed this in os-brick in liberty, but i'm not sure https://bugs.launchpad.net/nova/+bug/1461827 | 21:52 |
| openstack | Launchpad bug 1461827 in OpenStack Compute (nova) "Fail to attach volumes using FC multipath" [Undecided,New] | 21:52 |
| mriedem | maybe this? https://github.com/openstack/os-brick/commit/3ea86f7d605d7109f4e13c1566ba1a14dc856443 | 21:53 |
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