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| openstackgerrit | Zhenyu Zheng proposed openstack/nova master: Catch exception.OverQuota when create image for volume backed instance https://review.openstack.org/464548 | 07:14 |
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| openstackgerrit | Zhenyu Zheng proposed openstack/nova master: Catch exception.OverQuota when create image for volume backed instance https://review.openstack.org/464548 | 07:33 |
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| openstackgerrit | jichenjc proposed openstack/nova master: Use plain routes list for os-certificates endpoint instead of stevedore https://review.openstack.org/460813 | 07:45 |
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| openstackgerrit | Huan Xie proposed openstack/nova master: WIP: XenAPI use os-xenapi v2 in nova https://review.openstack.org/453493 | 07:46 |
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| openstackgerrit | Songming Yan proposed openstack/nova-specs master: Sriov-bond https://review.openstack.org/463526 | 09:28 |
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| murugesh | Hi There | 10:22 |
| murugesh | I have openstack mitaka version running on Centos | 10:22 |
| murugesh | suddenly running instances are went to paused state | 10:23 |
| murugesh | unable to recover it and no error logs find in nova | 10:23 |
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| murugesh | can anyone help to to sort out this issue and fix | 10:25 |
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| murugesh | can somebody pls help me out on this issue | 10:40 |
| slaweq_ | hello, I'm trying to run devstack on Ubuntu 17.04 and I have error https://pastebin.com/F1fsv9nH | 10:41 |
| slaweq_ | maybe someone of You know how to fix it? | 10:41 |
| slaweq_ | on Ubuntu 16.04 it's working fine | 10:41 |
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| openstackgerrit | Artom Lifshitz proposed openstack/nova master: Plumbing for tagged nic attachment https://review.openstack.org/415622 | 10:53 |
| openstackgerrit | Artom Lifshitz proposed openstack/nova master: Delete nic metadata when detaching interface https://review.openstack.org/435387 | 10:54 |
| openstackgerrit | Artom Lifshitz proposed openstack/nova master: Libvirt support for tagged volume attachment https://review.openstack.org/418100 | 10:54 |
| openstackgerrit | Artom Lifshitz proposed openstack/nova master: Delete disk metadata when detaching volume https://review.openstack.org/435082 | 10:54 |
| openstackgerrit | Artom Lifshitz proposed openstack/nova master: Plumbing for tagged volume attachment https://review.openstack.org/391941 | 10:54 |
| openstackgerrit | Artom Lifshitz proposed openstack/nova master: API support for tagged device attachment https://review.openstack.org/376021 | 10:54 |
| openstackgerrit | Artom Lifshitz proposed openstack/nova master: Libvirt support for tagged nic attachment https://review.openstack.org/415520 | 10:54 |
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| lyarwood | sdague: morning, when you have time could you take another look at https://review.openstack.org/#/c/462348/ and confirm if a releasenote is really required here? | 10:56 |
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| sdague | lyarwood: yeh, rootwrap changes | 11:05 |
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| sdague | only redhat manages that file in share, everyone else is managing it as config (ubuntu, and all the from source alternatives) | 11:05 |
| sdague | so required changes there need release note signaling as the code won't work without a config change | 11:06 |
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| lyarwood | sdague: right, but the removal change landed ~3 weeks ago so I'm not sure why we need to signal anything given this is basically a revert | 11:07 |
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| sdague | I thought the removal was last cycle? | 11:08 |
| sdague | maybe I was reading the git logs wrong | 11:08 |
| lyarwood | sdague: nope, I started the change ages ago as a DNM | 11:08 |
| sdague | ah | 11:08 |
| sdague | ok, sure | 11:09 |
| lyarwood | sdague: yeah the Author line has the original date | 11:09 |
| sdague | can you reference the other land in the commit message? Easier to see that then | 11:09 |
| sdague | I'll +2 after that | 11:09 |
| lyarwood | sdague: ack thanks | 11:09 |
| sdague | sorry, without that I went digging, and apparently got the wrong answer | 11:10 |
| lyarwood | np at all | 11:10 |
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| openstackgerrit | Lee Yarwood proposed openstack/nova master: Add missing rootwrap filter for cryptsetup https://review.openstack.org/462348 | 11:13 |
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| lyarwood | sdague: ^ thanks again | 11:13 |
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| sdague | lyarwood: +2 | 11:17 |
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| openstackgerrit | Sergey Nikitin proposed openstack/nova master: Replace diagnostics objects with Nova diagnostics objects https://review.openstack.org/394480 | 11:30 |
| openstackgerrit | Sergey Nikitin proposed openstack/nova master: Added nova objects for intance diagnostics https://review.openstack.org/434745 | 11:30 |
| openstackgerrit | Sergey Nikitin proposed openstack/nova master: Standardization of VM diagnostics info API. https://review.openstack.org/355540 | 11:30 |
| openstackgerrit | Sergey Nikitin proposed openstack/nova master: Completed implementation of instance diagnostics for Xen https://review.openstack.org/399613 | 11:30 |
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| peter-hamilton | johnthetubaguy: can i get your eyes on some cert validation patches today? | 11:34 |
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| peter-hamilton | johnthetubaguy: https://review.openstack.org/#/c/357202/ and https://review.openstack.org/#/c/457678/ if you have time | 11:36 |
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| murugesh | Hi Guys | 11:44 |
| murugesh | Is soembody there | 11:45 |
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| ArchiFleKs | hi, when using configdrive with nova, are the userdata still written inside the database ? it seems like it, I have a configdrive but still can retrieve userdata with tha metadata api. I thought i could use configdrive to bypass the 64k limit for user-data | 12:13 |
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| sdague | ArchiFleKs: the 64k limit is API side enforced, back end implementation doesn't matter | 12:30 |
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| ArchiFleKs | sdague: thanks, so there is not way to extend userdata size ? (https://bugs.launchpad.net/nova/+bug/1669979) , even if the database field is bigger. What is the right approach from your opinion ? heat-sofwaredeployment ? | 12:35 |
| openstack | Launchpad bug 1669979 in OpenStack Compute (nova) "failed to boot instance when user data is larger than 65535 bytes" [Undecided,Incomplete] - Assigned to wind (better) | 12:35 |
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| johnthetubaguy | peter-hamilton: sorry between jobs at the moment, so not going to be super active review wise right now, migrating all my stuff to personal machines at the moment | 12:38 |
| ArchiFleKs | sdague: because config drive limit is 64mb | 12:40 |
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| sdague | ArchiFleKs: expanding userdata size would definitely be a spec, there are lots of fall out implications of that, including memory bloat in the API server | 12:40 |
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| sdague | ArchiFleKs: it also looks like zaneb recommended for folks to go in a different direction here - https://ask.openstack.org/en/question/105427/how-to-increase-user-data-limit-beyond-64k/ | 12:42 |
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| abhi89 | johnthetubaguy: Hi John.. can you please review https://review.openstack.org/#/c/462561/ | 12:54 |
| peter-hamilton | johnthetubaguy: not a problem, just trying to generate interest | 12:55 |
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| openstackgerrit | Béla Vancsics proposed openstack/nova master: Transform instance.trigger_crash_dump notification https://review.openstack.org/396225 | 13:03 |
| openstackgerrit | Dave Johnston proposed openstack/nova master: DocImpact Adds man page for nova-manage db online_data_migrations explaining the return codes https://review.openstack.org/464634 | 13:03 |
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| bauzas | ArchiFleKs: so, while you could use configdrivers for a quick resolution, I think you should possibly use other ways (like using a config management tool) for passing more to the instance in case 2^24 chars is not enough for you | 13:07 |
| lyarwood | any fellow f25 devstack users seeing this trace when sync'ing the api_db? http://paste.openstack.org/show/609562/ | 13:07 |
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| ArchiFleKs | bauzas: yes but there no resolution at all because nova is still using the DB to store the data anyway and the 64k limit is still there. This is for magnum which uses heat, i think we should test heat-software-deployment so we do not depend on other config tools | 13:15 |
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| ArchiFleKs | sdague: there is a way for atomic to use swift as a storage for configdrive data, I know AWS also has a limit that can be bypass by storing stack template inside an S3 bucket. This might be a solution to not add issues to nova database | 13:17 |
| ArchiFleKs | s/atomic/ironc | 13:17 |
| ArchiFleKs | *ironic | 13:17 |
| bauzas | ArchiFleKs: the MediumText column accepts 2^24 chars, ie. 16M IIUC | 13:17 |
| bauzas | ArchiFleKs: like sdague said, the 64K limit is an API one | 13:19 |
| bauzas | so, if you're using configdrives, you'll get a max size of 16M | 13:19 |
| bauzas | AFAIUI | 13:19 |
| stvnoyes1 | mriedem: ildikov: please review cinder v3/live migration WIP when you have some time - https://review.openstack.org/#/c/463987/ thanks... | 13:20 |
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| ArchiFleKs | bauzas: yes but my point is that there is no way to bypass it unless this is change (https://github.com/openstack/nova/blob/master/nova/compute/api.py#L100) even when using confidrive with nova, right ? | 13:22 |
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| bauzas | ArchiFleKs: if you're using a configdrive, then it bypasses the metadata service https://docs.openstack.org/user-guide/cli-config-drive.html | 13:26 |
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| bauzas | and http://cloudinit.readthedocs.io/en/latest/topics/datasources/configdrive.html | 13:26 |
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| bauzas | anyway, need to go find my daughter \o | 13:27 |
| mriedem | stvnoyes1: ack | 13:29 |
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| bauzas | ArchiFleKs: ah, nevermind, you mean when passing the userdata for POST /servers then | 13:29 |
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| mriedem | edleafe: i won't be able to make the scheduler meeting in 30 minutes, not sure how much was going to be talked about besides recaps from summit discussions | 13:31 |
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| mriedem | edleafe: for the most part claims in the scheduler/conductor had agreement from ops, although they still wanted us to pass the chosen hosts down to the cell conductor for retries | 13:33 |
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| ArchiFleKs | bauzas: yes I mean even if i enable configdrive inside a Nova::Server heat resource, it will still use the API and apply the limits | 13:33 |
| mriedem | edleafe: and https://review.openstack.org/#/c/463597/ came up as a side item during that discussion, as just a good to have | 13:33 |
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| mriedem | johnthetubaguy: doing summit recaps is going to be weird this time because there weren't a set of vertical 'nova' tracks; were you going to provide a recap of the 3 vm/bm sessions to the ML/ | 13:37 |
| mriedem | ? | 13:37 |
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| mriedem | b/c i didn't make it to all of them | 13:37 |
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| edleafe | mriedem: thanks for the info. I'm sure we will discuss all of that at the meeting. | 13:39 |
| edleafe | mriedem: I know I'll be asking about it :) | 13:39 |
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| mriedem | edleafe: cool; notes are in https://etherpad.openstack.org/p/BOS-forum-cellsv2-developer-community-coordination and https://etherpad.openstack.org/p/BOS-forum-move-claims-from-compute-to-scheduler | 13:40 |
| mriedem | i'll try to do some high level recaps in the ML this week | 13:40 |
| mriedem | Kevin_Zheng: were you going to update https://review.openstack.org/#/c/459593/ soon? | 13:41 |
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| mriedem | avolkov: btw thanks for the sqla make_url tip | 13:42 |
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| Kevin_Zheng | mriedem: yeah, I will update tomorrow, btw, I left one remaining comment about deleting tags, could you have a look? | 13:43 |
| ildikov | stvnoyes1: on my list, thanks for the heads up | 13:43 |
| mriedem | Kevin_Zheng: this? https://review.openstack.org/#/c/459593/10/nova/conductor/manager.py@1086 | 13:43 |
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| Kevin_Zheng | Ah yes | 13:44 |
| mriedem | :) | 13:44 |
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| Kevin_Zheng | mriedem: thanks, we are flying to Suzhou tomorrow and I will update it tomorrow evening or the day after that | 13:45 |
| edleafe | Scheduler subteam meeting in 15 minutes in #openstack-meeting-alt | 13:45 |
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| bauzas | edleafe: just in case you don't know, I'm working on updating my series | 13:47 |
| bauzas | edleafe: please stop updating your ones, given I'd prefer you reviewing mine | 13:47 |
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| avolkov | mriedem: you're welcome | 13:50 |
| mriedem | Kevin_Zheng: thanks | 13:51 |
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| edleafe | bauzas: I saw your notes | 13:57 |
| bauzas | ack | 13:58 |
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| edleafe | Scheduler subteam meeting going on now in #openstack-meeting-alt | 14:02 |
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| lyarwood | slaweq_: https://bugs.launchpad.net/nova/+bug/1690819 FYI, I'm also seeing that in F25 | 14:13 |
| openstack | Launchpad bug 1690819 in OpenStack Compute (nova) "nova-manage [..] api_db sync on F25 results in RuntimeError: no suitable implementation for this system" [Undecided,New] | 14:13 |
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| sdague | lyarwood: that's a blow up deep in monotonic | 14:23 |
| sdague | lyarwood: I wonder why it's blowing up there | 14:23 |
| lyarwood | sdague: yeah this is odd, stepping through this in a venv now and getting the following trace http://paste.openstack.org/show/609576/ | 14:25 |
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| openstackgerrit | Mathieu Gagné proposed openstack/nova master: Add ability to signal and perform online volume size change https://review.openstack.org/454322 | 14:27 |
| artom | So, I tried find_library('foo') and it just returns False, without blowing up... | 14:27 |
| * artom updates his F25 to be sure | 14:27 | |
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| * artom definitely can't reproduce on his F25... | 14:30 | |
| bauzas | oh man | 14:30 |
| bauzas | I was about to write a reservoir sampling method for getting a random subset of a long iterator | 14:31 |
| bauzas | until I just discovered that we put all the hosts in memory after weighing those ! | 14:31 |
| bauzas | so, weighed_hosts is a full list | 14:32 |
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| bauzas | I thought we were smarter | 14:32 |
| bauzas | like getting weights for each of the items of an iterator and just sorting them by indexes instead of putting all in memory | 14:33 |
| bauzas | fairly inefficient | 14:33 |
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| stvnoyes1 | nova core: review 'add Cinder v3 detach to shutdown_instance' - https://review.openstack.org/#/c/463987/ - it has a +2, but it needs a workflow +1. thanks. | 14:36 |
| bauzas | oh man, even the filtering creates a list... | 14:36 |
| bauzas | so, we're gentle with operators by using iterators when getting a full list from DB, but then we put that all in memory once we loop over filters | 14:36 |
| bauzas | and then we do that again with weighers | 14:36 |
| bauzas | so we basically duplicate the size in memory | 14:37 |
| * bauzas facepalms | 14:37 | |
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| bauzas | ^ that could be a problem with large deployments | 14:38 |
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| lyarwood | sdague / artom ; I think it's https://github.com/eventlet/eventlet/issues/401 , I can't reproduce with eventlet 0.20.1 | 14:39 |
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| sean-k-mooney | sfinucan: hi o/, back from boston? | 14:41 |
| sdague | lyarwood: yeh, that seems likely, I wonder why you are hitting it consistently but it's not showing up other places | 14:41 |
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| lyarwood | sdague: no idea, we have eventlet==0.21.0 in the gate at the moment | 14:46 |
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| sdague | lyarwood: I guess it's a race, I wonder if your env is on the slower or faster side of things | 14:47 |
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| sdague | just to figure out when things expose | 14:47 |
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| lyarwood | sdague: hopefully on the faster side vs the gate given it's the only heavy workload on my current pretty beefy host | 14:49 |
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| openstackgerrit | Matt Riedemann proposed openstack/nova master: Make discover_hosts only query for unmapped ComputeNode records https://review.openstack.org/427903 | 14:50 |
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| mriedem | jaypipes: https://review.openstack.org/#/c/427903/ is the last piece in the 'make auto-discover_hosts faster' series | 14:58 |
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| jaypipes | mriedem: k, will review. currently on a plane out to China... | 14:59 |
| jaypipes | mriedem: spotty internet.. | 14:59 |
| mriedem | oh fun | 14:59 |
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| alex_xu | jaypipes: $20 for more than 10 hours flight, it is totally worth :) | 15:01 |
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| openstackgerrit | Monty Taylor proposed openstack/nova master: WIP Add description of server addresses objects https://review.openstack.org/464331 | 15:03 |
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| jaypipes | mriedem: done. | 15:05 |
| mriedem | thanks | 15:05 |
| jaypipes | alex_xu: still on way to LAX first, then the biggie. :) | 15:05 |
| * mriedem goes to cut the itchy tag off this summit t-shirt | 15:06 | |
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| jaypipes | mriedem, sdague, anyone: seen this? from monotonic import monotonic as now # noqa | 15:06 |
| jaypipes | File "/home/jaypipes/src/git.openstack.org/openstack/nova/.tox/functional/local/lib/python2.7/site-packages/monotonic.py", line 169, in <module> | 15:07 |
| jaypipes | raise RuntimeError('no suitable implementation for this system') | 15:07 |
| jaypipes | RuntimeError: no suitable implementation for this system | 15:07 |
| jaypipes | 15:07 | |
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| jaypipes | just installed a fresh venv for tox/functional... | 15:07 |
| mriedem | i have no | 15:07 |
| mriedem | *not | 15:07 |
| artom | jaypipes, there's been some chatter about it, yeah | 15:07 |
| artom | jaypipes, see lyarwood's link above | 15:07 |
| artom | https://github.com/eventlet/eventlet/issues/401 | 15:08 |
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| lyarwood | & https://bugs.launchpad.net/nova/+bug/1690819 | 15:09 |
| openstack | Launchpad bug 1690819 in OpenStack Compute (nova) "nova-manage [..] api_db sync on F25 results in RuntimeError: no suitable implementation for this system" [Undecided,New] | 15:09 |
| lyarwood | jaypipes: going back to eventlet 0.20.1 works around the issue for now btw | 15:09 |
| lyarwood | for me at least | 15:09 |
| sdague | that looks like it landed today | 15:11 |
| jaypipes | lyarwood, artom: thx much for the help! | 15:11 |
| jaypipes | yet another buggy eventlet release... | 15:12 |
| artom | Well, if you monkey-patch all evarything... | 15:12 |
| jaypipes | indeed. | 15:12 |
| sdague | I proposed a revert on it - https://review.openstack.org/#/c/464664/ | 15:13 |
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| jaypipes | sdague: cool, cheers | 15:17 |
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| artom | mriedem, mind checking out https://review.openstack.org/#/c/415520/33 again? There's a link down there to the passing Tempest test. Thanks :) | 15:27 |
| mriedem | yeah | 15:27 |
| cfriesen | has anyone looked at the "fairness" behaviour of the oslo_concurrency.Lock() and Semaphore() and RWLock()? We're seeing some indications that if one eventlet drops the lock and immediately reaquires it then it can "starve" other eventlets waiting on the same lock. | 15:27 |
| mriedem | dansmith: see alex_xu's question here https://review.openstack.org/#/c/461532/4/nova/compute/api.py - was there a reason we didn't do a 409 on HostAPI.compute_node_get when there are duplicates? apparently i pointed that out in the original review but never published my comments until just now. | 15:29 |
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| dansmith | mriedem: will looks when I'm off this cal | 15:31 |
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| openstackgerrit | Mathieu Gagné proposed openstack/nova master: Add ability to signal and perform online volume size change https://review.openstack.org/454322 | 15:43 |
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| ralonsoh | Hi, I have bug related to SR-IOV. When a PF is attached again to the OS (detached from the VM), the VF config (sriov_numvfs) is unset | 15:46 |
| ralonsoh | #link https://bugs.launchpad.net/nova/+bug/1679703 | 15:46 |
| openstack | Launchpad bug 1679703 in OpenStack Compute (nova) "Unable to boot instance with VF( direct-port ) because the PF is not online" [Undecided,New] - Assigned to Rodolfo Alonso (rodolfo-alonso-hernandez) | 15:46 |
| ralonsoh | I propose two ideas in the bug. Do you have any feedback? | 15:46 |
| ralonsoh | IMO, the second one is cheaper and easier | 15:47 |
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| openstackgerrit | Jay Pipes proposed openstack/nova master: placement: tests for non-shared with shared https://review.openstack.org/461899 | 15:56 |
| openstackgerrit | Jay Pipes proposed openstack/nova master: placement: test for agg association not sharing https://review.openstack.org/461901 | 15:56 |
| openstackgerrit | Jay Pipes proposed openstack/nova master: placement: test non-shared out of inventory https://review.openstack.org/461900 | 15:56 |
| openstackgerrit | Jay Pipes proposed openstack/nova master: placement: shared resources when finding providers https://review.openstack.org/461574 | 15:56 |
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| mriedem | ralonsoh: i'd ask moshele and/or cfriesen | 16:01 |
| ralonsoh | mriedem: thanks! | 16:01 |
| ralonsoh | moshele, cfriesen: ping | 16:01 |
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| moshele | ralonsoh: hi | 16:02 |
| ralonsoh | moshele: can you take a look at my comment in #link https://bugs.launchpad.net/nova/+bug/1679703? | 16:02 |
| openstack | Launchpad bug 1679703 in OpenStack Compute (nova) "Unable to boot instance with VF( direct-port ) because the PF is not online" [Undecided,New] - Assigned to Rodolfo Alonso (rodolfo-alonso-hernandez) | 16:02 |
| openstackgerrit | Artom Lifshitz proposed openstack/nova master: Plumbing for tagged nic attachment https://review.openstack.org/415622 | 16:02 |
| openstackgerrit | Artom Lifshitz proposed openstack/nova master: Delete nic metadata when detaching interface https://review.openstack.org/435387 | 16:02 |
| openstackgerrit | Artom Lifshitz proposed openstack/nova master: Libvirt support for tagged volume attachment https://review.openstack.org/418100 | 16:02 |
| openstackgerrit | Artom Lifshitz proposed openstack/nova master: Delete disk metadata when detaching volume https://review.openstack.org/435082 | 16:03 |
| openstackgerrit | Artom Lifshitz proposed openstack/nova master: Plumbing for tagged volume attachment https://review.openstack.org/391941 | 16:03 |
| openstackgerrit | Artom Lifshitz proposed openstack/nova master: API support for tagged device attachment https://review.openstack.org/376021 | 16:03 |
| openstackgerrit | Artom Lifshitz proposed openstack/nova master: Libvirt support for tagged nic attachment https://review.openstack.org/415520 | 16:03 |
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| ralonsoh | moshele: it's about attaching a PF to a VM and then binding it again to the OS | 16:03 |
| ralonsoh | moshele: the VF information is lost | 16:03 |
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| moshele | ralonsoh: I would expect libvirt to restore the num of vfs | 16:04 |
| moshele | ralonsoh: did you send mail in libvrit community? | 16:04 |
| ralonsoh | moshele: so you think the first option is the valid one | 16:04 |
| ralonsoh | moshele: ahhh, so libvirt itself | 16:05 |
| ralonsoh | moshele: ok, I'll do it | 16:05 |
| moshele | ralonsoh: let me know what they say | 16:07 |
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| lyarwood | mdbooth: https://review.openstack.org/#/c/463992/3/nova/tests/unit/virt/libvirt/test_config.py - I'm not missing a volume driver where we are using netfs am I? | 16:18 |
| mdbooth | lyarwood: Bizarrely, I'm currently looking at exactly the same thing | 16:19 |
| lyarwood | haha great | 16:20 |
| mdbooth | lyarwood: We don't appear to have a volume driver which sets netfs | 16:20 |
| mdbooth | Although I'm just looking at all uses of source_protocol | 16:21 |
| mdbooth | Possible it could be imported from somewhere | 16:21 |
| mriedem | mdbooth: yeah, that was added when gluster was added, | 16:21 |
| mriedem | i didn't remove it because i didn't know what might rely on it and break | 16:22 |
| mriedem | in https://review.openstack.org/#/c/463992/ | 16:22 |
| mdbooth | mriedem: I saw that, just looking for myself. | 16:22 |
| lyarwood | yeah, I assumed we were setting it via connection_info in LibvirtNetVolumeDriver but I can't find anything on the cinder side | 16:22 |
| mriedem | ok | 16:22 |
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| openstackgerrit | Dan Smith proposed openstack/nova master: Make compute auto-disable itself if builds are failing https://review.openstack.org/463597 | 16:22 |
| mriedem | lyarwood: the source_protocol is set in nova | 16:22 |
| mriedem | in the volume driver's get_config method | 16:23 |
| lyarwood | mriedem: https://github.com/openstack/nova/blob/master/nova/virt/libvirt/volume/net.py#L46 | 16:23 |
| mriedem | we could potentially remove the netfs stuff after this since it appears to be dead code now | 16:23 |
| mdbooth | nova/virt/libvirt/volume/net.py: source_protocol = connection_info['driver_volume_type'] | 16:23 |
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| lyarwood | argh wrong line number | 16:24 |
| mriedem | mdbooth: ok, i think that's just probably wrong | 16:24 |
| mriedem | i.e. bad var name | 16:24 |
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| mdbooth | mriedem: It seems to be used in get_config there | 16:24 |
| lyarwood | https://github.com/openstack/nova/blob/master/nova/virt/libvirt/volume/net.py#L96 | 16:24 |
| mdbooth | Yeah, that one | 16:24 |
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| mdbooth | So that means it could come from cinder and end up in the libvirt xml | 16:25 |
| mdbooth | cinder doesn't appear to set driver_volume_type to netfs anywhere, though | 16:26 |
| mriedem | blech | 16:26 |
| mriedem | btw, the rbd and iscsi net stuff crammed into the same driver code is not fun | 16:26 |
| mdbooth | Yep | 16:26 |
| mriedem | there could have been a cinder driver years ago that had netfs | 16:27 |
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| openstackgerrit | Moshe Levi proposed openstack/nova master: HW offload support for openvswitch https://review.openstack.org/398265 | 16:28 |
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| mriedem | i checked grizzly, icehouse and kilo though and found nothing | 16:28 |
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| dansmith | sdague: check it out: http://logs.openstack.org/37/458537/19/check/gate-tempest-dsvm-neutron-full-ubuntu-xenial/e290ec2/logs/screen-n-api.txt.gz?level=TRACE#_May_11_20_08_20_211256 | 16:30 |
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| dansmith | I assume that's the mysql server complaining | 16:31 |
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| sdague | yeh, probably | 16:33 |
| sdague | I'm pretty sure when you see that it's coming back from the server | 16:33 |
| sdague | this the superconductor fleet? | 16:33 |
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| dansmith | sdague: can I raise that in devstack easily or do I need to make something new? | 16:33 |
| dansmith | sdague: yeah but single node | 16:33 |
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| sdague | you can change it in devstack, let me find the line | 16:34 |
| dansmith | sdague: do you know if I can control the size of our connection pool? | 16:34 |
| openstackgerrit | Matt Riedemann proposed openstack/nova master: Handle uuid in HostAPI._find_service https://review.openstack.org/461519 | 16:34 |
| openstackgerrit | Matt Riedemann proposed openstack/nova master: Handle uuid in HostAPI.compute_node_get https://review.openstack.org/461532 | 16:34 |
| openstackgerrit | Matt Riedemann proposed openstack/nova master: Use uuid for id in Services API https://review.openstack.org/464280 | 16:34 |
| mriedem | dansmith: you can | 16:34 |
| mriedem | we had to do that for postgres at some point | 16:34 |
| sdague | https://github.com/openstack-dev/devstack/blob/27df725179045a2e91a34eb91e29e52d0fe5f663/lib/databases/mysql#L99 .... | 16:34 |
| mriedem | https://github.com/openstack-dev/devstack/tree/master/lib/databases | 16:34 |
| sdague | we're exceeding 1024? | 16:34 |
| sdague | that seems suspicious to me | 16:34 |
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| dansmith | well, what's our connection pool size? | 16:35 |
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| mriedem | we used to save off the mysql config i thought | 16:36 |
| mriedem | but i can't find it | 16:36 |
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| dansmith | connection pool size would be something in our own config | 16:36 |
| dansmith | just noticed by the way, | 16:37 |
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| dansmith | that we don't get the config dump at the beginning of n-api logging anymore | 16:37 |
| sdague | dansmith: I don't know that we're setting the pool | 16:37 |
| dansmith | maybe because of the wsgi patch? | 16:37 |
| dansmith | looks like 5 per worker maybe | 16:38 |
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| dansmith | which is pretty low | 16:38 |
| dansmith | that would be ~204 workers to exhaust 1024 | 16:39 |
| sdague | dansmith: I still see the dump | 16:39 |
| sdague | http://logs.openstack.org/26/464326/1/check/gate-tempest-dsvm-neutron-src-oslo.context-ubuntu-xenial/4fc411c/logs/screen-n-api.txt.gz#_May_14_11_27_57_370073 | 16:39 |
| dansmith | which seems unlikely on a single node | 16:39 |
| sdague | it's just a little later | 16:39 |
| dansmith | oh okay, that seems odd given we're loading extensions before that, but okay | 16:39 |
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| sdague | I think the new route system compiles early | 16:40 |
| dansmith | okay | 16:40 |
| sdague | the stuff that completely does away with the extension loader | 16:40 |
| sdague | we honestly could probably turn off debug on those | 16:40 |
| dansmith | now that th3y | 16:41 |
| dansmith | they are all implicit yeah | 16:41 |
| dansmith | anyway, I dunno what to do about this connection thing | 16:41 |
| dansmith | presumably if we go higher we also need to set maxfds | 16:42 |
| dansmith | unless we already have for something else | 16:42 |
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| sdague | yeh, I don't know, but I was pretty sure that was the db rejecting things. Any chance we're leaking db connections or something? | 16:43 |
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| dansmith | nothing that fundamental has changed recently, so I dunno | 16:44 |
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| dansmith | looks like we may be limited below max_connections due to ulimit on descriptors anyway | 16:46 |
| dansmith | so maybe we're not getting 1024 even | 16:46 |
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| cfriesen | ralonsoh: here now, you still have a question or has it been dealt with (I'm checking history now) | 16:49 |
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| ralonsoh | cfriesen: well, I have an answer from libvirt guys | 16:51 |
| ralonsoh | cfriesen: http://paste.openstack.org/show/609591/ | 16:52 |
| ralonsoh | cfriesen: at the first time, the suggest me to do what is NOT recommended in openstack manuals | 16:52 |
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| ralonsoh | cfriesen: they recommended to modify the kernel module | 16:53 |
| ralonsoh | cfriesen: https://github.com/openstack/openstack-manuals/blob/master/doc/networking-guide/source/config-sriov.rst | 16:53 |
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| cfriesen | ralonsoh: technically you're not modifying the kernel module itself, just the parameter on loading it. Arguably either the module parameter or setting it via /sys/class/net would work fine, it's just that they may at some point remove the module parameter in the future. | 16:57 |
| melwitt | dansmith, sdague: on the db connection thing, coincidentally I'm building a new devstack right now to look into it. I have a guess at something that might be related but need to verify | 16:58 |
| dansmith | melwitt: and you won't share until confirmed? | 16:58 |
| sdague | melwitt: ok, cool. | 16:58 |
| dansmith | can I have a teaser for next week's episode? | 16:58 |
| cfriesen | ralonsoh: the nice thing about setting it via /sys/class/net is that it gives you flexibility if you have different hardware using the same module. | 16:58 |
| ralonsoh | cfriesen: I know and I agree. The problem is how to store it | 16:59 |
| dansmith | sdague: melwitt: I just pushed up a ulimit hack to see if that affects anything, fwiw | 16:59 |
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| ralonsoh | cfriesen: do you think the idea of adding a pre-up command is enough? | 16:59 |
| sdague | melwitt: yeh, I would feel much more comfortable twiddling knobs if we understood why we were hitting that | 16:59 |
| melwitt | dansmith: heh. well, I could be totally wrong, but I think it might be because we aren't caching the oslo.db transaction context managers. I had thought oslo.db connection pooling underneath took care of that, but now I want to try and see if there's a difference when doing it | 17:01 |
| dansmith | melwitt: hmm | 17:01 |
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| dansmith | melwitt: so we also disable some amount of tpooling, which isn't connection pooling that I know of, but.. | 17:01 |
| dansmith | so maybe we're already breaking things and what I'm doing is just pushing us over a limit? | 17:01 |
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| melwitt | that's what I'm thinking, but it's a total guess | 17:02 |
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| dansmith | hmm, that would be like bad and stuff | 17:03 |
| sdague | lyarwood - https://review.openstack.org/#/c/464664/ approved and in gate, so hopefully you'll be back to working in ~ 1 hr | 17:03 |
| dansmith | not really sure how we'd not be gc'ing them, but.. | 17:03 |
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| melwitt | I mean, I think cfriesen or somebody had mentioned recently they saw total db connections go way up since newton or ocata compared with before cells v2. so that had me thinking already that I wanted to look into this | 17:03 |
| dansmith | maybe we're just hitting a rate that makes it a problem | 17:04 |
| dansmith | melwitt: well, we would have an increase because of the api db | 17:04 |
| cfriesen | ralonsoh: in our environment if a PF has VFs we only ever pass the VFs through to the guest so no personal experience with what you're trying to do. In the case where you're using VFs are you "up"ing the PF? | 17:04 |
| dansmith | I guess if we're leaking somehow, we'd get worse the more targeting we do, | 17:05 |
| dansmith | but.. | 17:05 |
| melwitt | yeah. so what I'm thinking might not be related, so I didn't want to get anyone worried about it untiI checked | 17:05 |
| cfriesen | melwitt: we hit increased DB connections going from Mitaka to Newton | 17:05 |
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| dansmith | cfriesen: did you look at where those were coming from? i.e. only from api/conductor workers? | 17:05 |
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| ralonsoh | cfriesen: it's a user case (and a possible bug). You can use both, PF and VFs, but not at the same time. But if you start a VM with a PF and then you need to use the VFs, those are lost | 17:06 |
| dansmith | well, I guess if we're leaking those would be the services anyway, so.. that might not tell us anything | 17:06 |
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| cfriesen | dansmith: I'm still catching up on email, but I don't think we've bottomed out exactly where they're coming from. I think we just bumped the number of connections for now. | 17:09 |
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| dansmith | alright | 17:09 |
| cfriesen | dansmith: got any clever ways to figure out what code has open connections? | 17:10 |
| dansmith | netstat? | 17:10 |
| jmlowe | I've been having a problem with nova, I'm pretty sure bugs have been reported years ago (can't find them atm) but have languished, when an instance goes into error state the underlying disk is deleted, this is exactly the wrong thing to do | 17:10 |
| cfriesen | dansmith: that's the easy part. what about within the python code? | 17:11 |
| dansmith | cfriesen: well, knowing what binary has the excess is a start | 17:11 |
| dansmith | we'd need extra instrumentation to know which code I think | 17:11 |
| jmlowe | for instance, Wednesday during the summit a user resumed a suspended instance that didn't have enough memory so qemu wouldn't start, this is eminently fixable unless nova comes along and deletes the underlying block device for the instance | 17:12 |
| mriedem | jmlowe: never heard of that | 17:12 |
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| jmlowe | If I dig back in my logs I even have errors from nova repeatedly deleting the same rbd device after the first wrongful deletion is succeeds | 17:13 |
| jmlowe | no probably not just a gross conceptual error in the state diagram but also a bad implementation | 17:14 |
| jmlowe | also kind of hard to replicate reliably on a 300 compute node production system | 17:15 |
| mriedem | jmlowe: what you might be thinking of i,s | 17:15 |
| mriedem | resume in the libvirt driver calls this https://github.com/openstack/nova/blob/8d9eb670c75a8209901bac3b4dd94925b6b1f000/nova/virt/libvirt/driver.py#L2562 | 17:15 |
| mriedem | if that fails in some unexpected way, we go here https://github.com/openstack/nova/blob/8d9eb670c75a8209901bac3b4dd94925b6b1f000/nova/virt/libvirt/driver.py#L5120 | 17:16 |
| jmlowe | will also trigger on error state due to migration error | 17:16 |
| mriedem | destroy_disks_on_failure defaults to False here | 17:17 |
| mriedem | and isn't set to True for the resume case | 17:17 |
| mriedem | so when calling cleanup, destroy_disks would be False https://github.com/openstack/nova/blob/8d9eb670c75a8209901bac3b4dd94925b6b1f000/nova/virt/libvirt/driver.py#L5042 | 17:17 |
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| mriedem | jmlowe: i'm confused, are you doing a migration or a resume? | 17:18 |
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| jmlowe | happens for both, seemingly any time an instance goes into error | 17:19 |
| mriedem | because if is_shared_block_storage=True, then https://github.com/openstack/nova/blob/8d9eb670c75a8209901bac3b4dd94925b6b1f000/nova/virt/libvirt/driver.py#L1014 would delete instance files on disk | 17:19 |
| jmlowe | in my case ceph backed | 17:19 |
| mriedem | the instance going to error state is not a related issue for deleting the disks in the virt driver | 17:19 |
| mriedem | jmlowe: which release of nova are you on? | 17:20 |
| jmlowe | newton | 17:20 |
| jmlowe | don't think it was doing this in mitaka | 17:20 |
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| mriedem | i don't really see anything in newton when resume would fail that would destroy the disks | 17:20 |
| mriedem | now, i think that _cleanup_failed_start method was new in ocata and backported to newton... | 17:21 |
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| mriedem | yeah https://review.openstack.org/#/q/Iab5afdf1b5b8d107ea0e5895c24d50712e7dc7b1 | 17:21 |
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| mriedem | hmm, destroy disks wasn't passed through at that point | 17:23 |
| mriedem | checking something | 17:23 |
| mriedem | https://review.openstack.org/#/q/I38c969690fedb71c5b5ec4418c1b0dd53df733ec | 17:24 |
| mriedem | jmlowe: do you have this fix? https://review.openstack.org/#/c/428671/ | 17:24 |
| mriedem | went into newton 14.0.4 | 17:24 |
| mriedem | fixed the thing introduced in 14.0.3 | 17:25 |
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| jmlowe_ | specifically I should have nova 14.0.3 | 17:27 |
| mriedem | jmlowe_: you mean that's what you're running? | 17:27 |
| mriedem | if so, you need https://review.openstack.org/#/c/428671/ | 17:28 |
| jmlowe_ | yeah, was just trying to determine if that commit was in 14.0.3 | 17:28 |
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| jmlowe_ | and it's not | 17:29 |
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| jmlowe_ | *grumble* now off to go harass the rdo packagers | 17:31 |
| jmlowe_ | thanks for the pointer, never would have found that myself | 17:31 |
| jmlowe_ | on the other hand I was planning on going to ocata in the next week or so | 17:32 |
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| dansmith | edleafe: looks like maybe this https://review.openstack.org/#/c/464086 should go underneath bauzas' patch to do the claim? | 18:00 |
| edleafe | dansmith: sure, it should go before the claim code | 18:01 |
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| dansmith | edleafe: so given the conductor direction, are you going to work on the obviously half-finished claim-in-scheduler patch at the top of that series? | 18:07 |
| dansmith | edleafe: there is a big missing piece of handling the case where we fail to claim the first host It hink | 18:07 |
| edleafe | Well, I was kind of told *not* to work on that one :) | 18:08 |
| dansmith | oh | 18:08 |
| edleafe | But yeah, I was planning on completing it | 18:08 |
| edleafe | until this morning | 18:08 |
| dansmith | okay.. no update since may 11 | 18:08 |
| dansmith | I guess we're expecting something presently? | 18:09 |
| edleafe | I'm curious, though - where do you see the claim fail logic missing? | 18:09 |
| dansmith | if we fail doing _allocate_for_instance() here, we need to retry the claim for the same instance, but on the next host right? https://review.openstack.org/#/c/460455/6/nova/conductor/manager.py | 18:10 |
| dansmith | L957 just moves on to the next instance, right? | 18:10 |
| edleafe | dansmith: fwiw, I was on PTO May 12, and came back in town this morning to a big fat -2 | 18:10 |
| dansmith | edleafe: I meant no update on bauzas' conductor claim one | 18:11 |
| dansmith | edleafe: yours have been updated more recently, AFAICT | 18:11 |
| edleafe | dansmith: oh, you mean bauzas' series. I thought you meant mine | 18:11 |
| dansmith | nope | 18:11 |
| edleafe | ah | 18:11 |
| dansmith | so actually, | 18:11 |
| dansmith | if we fail to claim on L957 do we just stop building everything? | 18:12 |
| edleafe | bauzas did mention that he was ready with a new PS real soon | 18:12 |
| dansmith | I'm kinda assuming we do | 18:12 |
| dansmith | actually, maybe we don't explode, but just continue with no allocation? | 18:12 |
| dansmith | eesh | 18:12 |
| edleafe | ...which negates the whole point of eliminating the race, no? | 18:12 |
| dansmith | well, it's just completely wrong | 18:13 |
| dansmith | we can't ask compute to build an instance we didn't actually claim for :P | 18:13 |
| edleafe | My series didn't (yet) account for the computes not all being updated to the latest | 18:13 |
| edleafe | was hoping for guidance on that | 18:14 |
| dansmith | yeah, so what bauzas has there is how to do that | 18:14 |
| dansmith | checking the service version | 18:14 |
| edleafe | well, yeah, but I didn't think it was right for the scheduler to know about such things | 18:15 |
| dansmith | I feel like we also probably want to communicate to the compute that it should expect the allocation to have been done already | 18:15 |
| dansmith | well, I dunno.. scheduler knows such things in a couple places I think, but it's definitely okay for conductor to know that | 18:15 |
| mriedem | dansmith: we agreed a few weeks ago that the compute would look for existing allocations and if none found, assume the control layer didn't do that | 18:15 |
| edleafe | the compute checks already, if I'm not mistaken | 18:15 |
| edleafe | in bauzas' series | 18:15 |
| edleafe | mriedem: bingo | 18:16 |
| dansmith | mriedem: okay, well, we better be damn sure that we fix the bug here :) | 18:16 |
| dansmith | because this code will not claim and just send it to the compute, destined for certain failure | 18:16 |
| dansmith | the exact opposite of what it's supposed to do | 18:17 |
| mriedem | because it's not retrying? | 18:17 |
| mriedem | sorry i'm coming in to this halfway | 18:17 |
| edleafe | dansmith: well, if you can look at the rest of my series and assume that the reqspec changes will be reversed and the list of UUIDs will be an RPC param, your feedback would be appreciated | 18:17 |
| dansmith | mriedem: it totally ignores the result of "did my claim work?" | 18:17 |
| mriedem | yeah | 18:17 |
| mriedem | -1 it | 18:18 |
| dansmith | edleafe: well, your set still does the claim in the scheduler | 18:18 |
| dansmith | mriedem: I am | 18:18 |
| mriedem | -1 it, faster :) | 18:18 |
| edleafe | dansmith: 'zactly. | 18:18 |
| edleafe | still think that's cleaner | 18:18 |
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| dansmith | edleafe: well, I'd rather we not have the conversation again, but as you wish:) | 18:19 |
| edleafe | dansmith: my hero! | 18:20 |
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| openstackgerrit | Jackie Truong proposed openstack/nova master: Add missing rootwrap filter for cryptsetup https://review.openstack.org/462348 | 18:24 |
| openstackgerrit | Jackie Truong proposed openstack/nova master: Fix decoding of encryption key passed to dmcrypt https://review.openstack.org/462674 | 18:24 |
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| sdague | lyarwood - Merged openstack/requirements master: Revert "Update eventlet uc to 0.21.0" https://review.openstack.org/464664 | 18:32 |
| sdague | I think you should be back in business, hopefully | 18:32 |
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| openstackgerrit | Chris Friesen proposed openstack/nova-specs master: update flavor info in server details spec https://review.openstack.org/464723 | 18:38 |
| cfriesen | mriedem: this look okay? ^ | 18:38 |
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| mriedem | cfriesen: yup, +2 | 18:46 |
| mriedem | sdague: ^ i assume you also don't want rxtx_factor in the instance.flavor response data | 18:47 |
| mriedem | since if/when we remove rxtx_factor from flavors, we'd have to also remove it from that server response in the same microversion | 18:47 |
| sdague | mriedem: I'm totally fine dumping anything early here that we think would go away later | 18:48 |
| sdague | I really wasn't keen on extra_specs in here | 18:48 |
| sdague | how suck would it be if it wasn't in there? | 18:49 |
| dansmith | extra_specs? it's what a lot of people will want if they're looking for "is this thing numa?" and stuff | 18:50 |
| dansmith | I imagine cfriesen wants extra_specs, for example | 18:50 |
| sdague | hmmm... ok | 18:52 |
| mriedem | yeah i'm good with extra specs | 18:53 |
| mriedem | the admin wants to recreate an instance using a similar flavor | 18:53 |
| mriedem | so they'll want the extra specs too | 18:54 |
| openstackgerrit | Chris Friesen proposed openstack/nova master: fix InvalidSharedStorage exception message https://review.openstack.org/464726 | 18:55 |
| cfriesen | sdague: yeah, it would suck if we didn't have extra-specs for the reasons given | 18:56 |
| sdague | ok, no prob | 18:56 |
| sdague | alright, +2 | 18:56 |
| sdague | cfriesen: so how do you propose the array of extra specs be documented at the api-ref level? | 18:57 |
| dansmith | oh | 18:58 |
| dansmith | so | 18:58 |
| dansmith | users can't see extra specs on regular flavors by default I guess | 18:58 |
| dansmith | so we'd be exposing them here, which would be bad I guess | 18:58 |
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| dansmith | I still think this is almost useless if we don't, we just have to separate that out | 18:58 |
| cfriesen | dansmith: the current proposed code uses the same policy as we have now for displaying extra-specs. if the user doesn't have permission the extra-specs key isn't included in the dict | 18:59 |
| dansmith | and then the answer to the api-ref question is "however it's documented in the flavor api" | 18:59 |
| dansmith | cfriesen: ah, perfect | 18:59 |
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| sdague | dansmith: well, it's documented poorly there, but keys showing up in the servers doc typically try to have a higher bar of documentation | 19:00 |
| dansmith | okay | 19:00 |
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| cfriesen | sdague: dansmith: the proposed nova change is https://review.openstack.org/#/c/434514/ | 19:00 |
| cfriesen | that one doesn't have the rxtx_factor removal though, need to update it | 19:00 |
| sdague | cfriesen: so, you are going to need to break each of those out | 19:01 |
| sdague | I'll leave a comment | 19:01 |
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| cfriesen | sdague: in parameters.yaml? I talked about it with mriedem before the summit, we weren't sure how to handle it because each of them is already defined, but we didn't know how to link to them | 19:02 |
| sdague | yeh | 19:02 |
| mriedem | i can confirm that that conversation did in fact happen and i even have tapes of it | 19:03 |
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| sdague | ok, the pattern we were working on was https://review.openstack.org/#/c/434514/7/api-ref/source/servers.inc@614 | 19:04 |
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| cfriesen | sdague: there are three api calls in servers.inc that return this dict...does that mean I need to describe the dict three times? | 19:08 |
| sdague | cfriesen: it needs to be described every time it's part of the response, but that should just be the same block of field refs | 19:09 |
| cfriesen | sdague: and what about the existing flavor dict fields that are already in parameters.yaml? (flavor_server, flavor_swap, etc) | 19:09 |
| sdague | cfriesen: these are going to have min_microversion on them, so they'll need new entries | 19:09 |
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| sdague | the parameters.yaml is sort of 3rd normal form for this data, things aren't hyper normalized, means there is sometimes some copy paste, but it means fixes are more straight forward because they don't unrelatedly change something else you weren't expecting | 19:10 |
| cfriesen | okay, will give it a shot | 19:11 |
| cfriesen | sdague: mriedem: dansmith: on a totally different note, what do you think of https://review.openstack.org/464726 ? This is currently mostly an issue if you use horizon since it defaults to specifying "block_migration=False". | 19:14 |
| sdague | cfriesen: i'm fine with that change | 19:15 |
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| mriedem | i don't know what there is not to not like about the original wording | 19:23 |
| dansmith | it doesn't sound unfine to me when it's not inapplicable due to zero or less other conditionals | 19:23 |
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| cfriesen | thanks guys | 19:45 |
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| openstackgerrit | Dan Smith proposed openstack/nova master: WIP: De-complicate some of the instance delete path https://review.openstack.org/458636 | 20:10 |
| openstackgerrit | Dan Smith proposed openstack/nova master: Move to proper target_cell calling convention https://review.openstack.org/458634 | 20:10 |
| openstackgerrit | Dan Smith proposed openstack/nova master: Make target_cell() yield a new context https://review.openstack.org/458635 | 20:10 |
| openstackgerrit | Dan Smith proposed openstack/nova master: WIP: Debug race in delete-while-booting test https://review.openstack.org/461513 | 20:10 |
| openstackgerrit | Dan Smith proposed openstack/nova master: DNM: Canary test against multi-cell devstack https://review.openstack.org/458537 | 20:10 |
| openstackgerrit | Dan Smith proposed openstack/nova master: Target cell on local delete https://review.openstack.org/464059 | 20:10 |
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| mriedem | mdbooth: https://review.openstack.org/#/c/443951/ was rebased but isn't failing on your test that checks to see if connect_volume and disconnect_volume are taking an instance parameter | 21:16 |
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| openstackgerrit | Matt Riedemann proposed openstack/nova master: libvirt: expand checks for SubclassSignatureTestCase https://review.openstack.org/464765 | 22:18 |
| mriedem | mdbooth: fixed here ^ | 22:18 |
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| openstackgerrit | Matt Riedemann proposed openstack/nova master: Libvirt volume driver for Veritas HyperScale https://review.openstack.org/443951 | 22:28 |
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| gmann | alex_xu: m back to work. ll update/follow up on policy doc and extension patches. | 23:37 |
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