Friday, 2020-04-24

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openstackgerritBrin Zhang proposed openstack/nova-specs master: Update SPEC: Using PUT instead of PATCH API to update delete_on_termination  https://review.opendev.org/72219401:46
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openstackgerritKevin Zhao proposed openstack/nova master: [WIP] CI: add tempest-integrated-compute-aarch64 job  https://review.opendev.org/71443902:50
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openstackgerritKevin Zhao proposed openstack/nova master: [WIP] CI: add tempest-integrated-compute-aarch64 job  https://review.opendev.org/71443902:54
openstackgerritTakashi Natsume proposed openstack/nova master: Add placeholder migrations for Ussuri backports  https://review.opendev.org/72254603:02
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openstackgerritKevin Zhao proposed openstack/nova master: [WIP] CI: add tempest-integrated-compute-aarch64 job  https://review.opendev.org/71443906:02
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gibigood morning06:06
gibimelwitt: thanks for checking the RC1 release patch06:06
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bauzasgood morning Nova07:08
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openstackgerritKevin Zhao proposed openstack/nova master: [WIP] CI: add tempest-integrated-compute-aarch64 job  https://review.opendev.org/71443907:37
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bauzasgibi: have you triaged some bugs ?08:04
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bauzaslyarwood: permission to close this bug ? https://bugs.launchpad.net/nova/+bug/173829708:10
openstackLaunchpad bug 1738297 in OpenStack Compute (nova) "Nova Destroys Local Disks for Instance with Broken iSCSI Connection to Cinder Volume Upon Resume from Suspend" [Undecided,New]08:10
bauzaslooks to me that suspend after host reboot is not available (but there is a conf flag for resuming the guests upon reboot the reporter should use) and since nova no longer deletes the ephemeral files, I don't think there is anything to resolve08:11
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gibibauzas: nope, sorry08:13
bauzasokay it's weird then08:14
gibibauzas: we lost bugs?08:14
bauzasI was seeing 50 open bugs this morning and now there are only 4408:14
bauzas6 just gone08:14
gibiinteresting08:14
bauzasbut meh, it's maybe PEBKAC08:14
bauzasanyway, moving on08:14
gibiI have a tab open with 52 new bugs08:15
gibiso we can compare08:15
gibii haven refreshed that tab since last evening08:16
bauzashttps://bugs.launchpad.net/nova/+bugs?search=Search&field.status=New08:16
bauzas^ gives me 44 opens08:16
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bauzas(and gosh, it's nearly impossible to triage Newton bugs)08:17
bauzasthe code is so old08:18
gibibauzas: artom triaged some https://bugs.launchpad.net/nova/+bug/183668108:18
openstackLaunchpad bug 1836681 in OpenStack Compute (nova) "attach volume succeeded but device not found on guest machine" [Undecided,Incomplete]08:18
lyarwoodbauzas: permission granted, fire.08:18
bauzasthat'd explain then08:18
bauzaslyarwood: ack thanks, easy peasy08:18
gibibauzas: after refresh I see 46 on that list08:19
bauzasgibi: lol, I only see 44 with a refresh08:21
bauzasbrain split !08:21
gibibauzas: I might see private bugs you dont ?08:22
bauzasgibi: possibly08:22
bauzasyou have powers.08:22
bauzas(and that'd explain why I was saying 51 and you 53 on the nova meeting :p )08:22
bauzasgibi: I'm not part of the nova VMT but you could have been added since you wear the leader hat08:23
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bauzasgibi: mmm, you aren't in the coresec team https://launchpad.net/~nova-coresec08:26
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aarentsHi nova09:08
aarentskashyap: lyarwood to followup yesterday chat regarding machine type and live-migration issue, I recover our story:09:08
aarentswe follow Ubuntu LTS qemu (and their machine-type without pinning it in conf) no issue here. One day, a guy introduce a no LTS qemu propably for fixing a bug ← this was a mistake, When we go back later to newer LTS qemu that did not support this machine type, we discover the issue, and we had to rebuild the newer LTS qemu with the support of this machine type in order to avoid hard reboot..09:08
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openstackgerritOpenStack Proposal Bot proposed openstack/nova master: Imported Translations from Zanata  https://review.opendev.org/72264409:18
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lyarwoodaarents: yeah as the non-LTS version likely jumped forward09:19
aarentsyep09:19
kashyapaarents: Yeah, that's the cost of "you're on your own" non-LTS variants :)09:20
kashyapThere's water under your feet before you realize09:20
aarentsexacly :p09:20
kashyap(Not necessarily bad, some people like to 'enjoy' debugging such needless water. ;-))09:21
brinzhang_lyarwood, gibi: Our cloud used Rocky version, we want to upgrade to the latest version, do you have some documents to see?09:26
openstackgerritTakashi Natsume proposed openstack/nova master: Update contributor guide for Victoria  https://review.opendev.org/72264709:27
brinzhang_lyarwood, gibi: one way is upgrade all openstack project, nova/cinder/neutron/glance/manila/... and so on. Another way is just only upgrade nova/cinder/neutron/glance the mainly project09:28
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brinzhang_above two way, anyone is better based on your experience?09:28
lyarwoodbrinzhang_: depends on your deployment tooling really but rolling upgrades through each release are the best approach09:29
lyarwoodbrinzhang_: so rocky to stein, stein to train, train to ussuri etc.09:30
brinzhang_lyarwood: we used kolla to deploy09:30
lyarwoodbrinzhang_: and that's for everything09:30
brinzhang_It cannot upgrade from rocky to ussuri? jump stein and train?09:31
lyarwoodbrinzhang_: AFAIK no, Kolla rolls through each release https://docs.openstack.org/kolla-ansible/latest/user/operating-kolla.html#upgrade-procedure09:31
brinzhang_lyarwood: ack, I will see this docs later09:32
brinzhang_your suggestion that we should step by step to upgrade (rocky to stein, stein to train, train to ussuri), right?09:32
lyarwoodbrinzhang_: yes with kolla I think that's your only option09:33
lyarwoodbrinzhang_: but you might want to ask that team :)09:34
lyarwoodbrinzhang_: or sean-k-mooney ;)09:34
brinzhang_lyarwood: thanks, got it, if there are some question before upgrade, I will ask sean-k-mooney or kolla team ^^09:35
brinzhang_I just only care of the placement, upgrade Rocky version, the placement was splite from nova, will this be affected?09:38
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openstackgerritWenping Song proposed openstack/nova master: error may occur when filter scheduler with accelerator  https://review.opendev.org/72265109:39
lyarwoodbrinzhang_: questions for the kolla folks, I'm sure they handle that as part of the upgrade.09:40
lyarwoodactually I know they do as I think I helped them with that while working on the TripleO part09:40
bauzasbrinzhang_: aarents: btw. welcome in our subteam !09:42
aarentsbauzas: thanks09:44
brinzhang_lyarwood: yeah, good to know this, thank you very much09:49
bauzasI think kolla supports rolling upgrades09:49
lyarwoodyeah I think brinzhang_'s last question was about placement extraction that they also support AFAIK09:50
brinzhang_bauzas: from the kolla upgrade docs, it seems that can support, I will looked into the docs, and than have a decision09:51
lyarwoodcool, good luck :)09:51
openstackgerritStephen Finucane proposed openstack/nova master: Use compression by default for 'SshDriver'  https://review.opendev.org/68439309:52
openstackgerritStephen Finucane proposed openstack/nova master: objects: Add MigrationTypeField  https://review.opendev.org/70601309:56
openstackgerritStephen Finucane proposed openstack/nova master: libvirt: Remove MIN_LIBVIRT_MULTIATTACH  https://review.opendev.org/71023809:58
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openstackgerritStephen Finucane proposed openstack/nova master: Rework how we check for neutron extensions  https://review.opendev.org/70579210:22
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zigoWhen building Nova for buster-backports, I get 26 failures of this kind:10:39
zigohttp://paste.openstack.org/show/792658/10:39
zigoDoes anyone have an idea of what's going on?10:39
lyarwoodzigo: what's buster-backports?10:40
lyarwoodDebian?10:40
zigolyarwood: OpenStack Stable backported to Debian stable.10:40
zigoYeah.10:40
lyarwoodzigo: which branch of OpenStack?10:41
zigolyarwood: Ussuri RC1.10:41
lyarwoodzigo: do you have a source tree somewhere or are you just using the tarball directly?10:41
zigoIt did build fine in Debian Experimental though (and I already uploaded there...)10:41
zigolyarwood: I'm using the git tag, which is kind of close to the tarball.10:41
zigoMy tooling does a "git archive" to generate the tarball, I've been doing this since the begining of OpenStack.10:42
lyarwoodyup, smells like something is off with the version of mock it's pulling in10:42
zigoIt's pock 3.0.5.10:42
zigomock10:42
zigoSo I'm guessing it's a problem with another dependency ...10:43
lyarwoodyeah looks like we are using 3.0.5 at the moment10:45
lyarwoodupstream that is10:45
zigoWould it be possible that it's because of a newer oslotest package?10:55
zigoIn Experimental, I built with oslotest 3.8.0, not 4.1.010:56
zigoOh, I'm lagging behind, it should be olsotest 4.2.0 maybe?11:02
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zigoYeah, the issue is with oslotest 4.1.0 ! \o/11:04
zigoI'll try upgrading to 4.2.0.11:04
artombauzas, gibi, yeah, I managed to *actually* triage maybe 3 or 4 - the other dozen or so that I looked at I just made the o_O face11:11
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lyarwoodDoes anyone use vscode for upstream work? If so are there any guides on getting it configured correctly for ^openstack\/.* work?11:17
lyarwoodJust installed the flatpak and thought I'd try and give it a go this afternoon11:17
artomlyarwood, actually, I think jparker uses it11:18
artomHe's done some stuff for whitebox11:19
artomlyarwood, but also, shuuuun11:19
artomShuuuuuun the heretic11:19
lyarwoodalways good to get out and try new things once in a while or so I'm told ;)11:19
lyarwoodhad a moment this morning with my .vimrc and thought I'd give it a go11:20
lyarwoodI'm sure it isn't going to last long11:20
nightmare_unreallyarwood: i use vscode I haven't done much config. just installed few vscode plugins ,like pylint11:21
zigoYou guys should blacklist oslotest 4.1.0 ! :)11:22
zigoShould I propose such a patch ?11:22
lyarwoodzigo: please, if it's broken11:23
lyarwoodzigo: against openstack/requirements11:23
lyarwoodactually maybe not11:23
zigolyarwood: What do you suggest then?11:24
lyarwoodsuggest it in openstack/nova and we can work out if that's correct11:25
lyarwoodI don't see it listed in the global repo so I'm not sure if we should add it there11:26
gibiartom: thanks a lot for triaging!11:26
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openstackgerritKashyap Chamarthy proposed openstack/nova-specs master: Make Q35 machine type the default for x86  https://review.opendev.org/63115411:35
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openstackgerritStephen Finucane proposed openstack/nova master: config: Explicitly register 'remote_debug' CLI opts  https://review.opendev.org/67744413:18
openstackgerritStephen Finucane proposed openstack/nova master: WIP: docs: Rewrite nova-manage docs to use proper directives  https://review.opendev.org/67750913:18
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openstackgerritFrançois Palin proposed openstack/nova stable/stein: Add retry to cinder API calls related to volume detach  https://review.opendev.org/72278313:30
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gibistephenfin: if you have time, could you look at this tox related patch https://review.opendev.org/#/c/722520/ ?13:36
stephenfingibi: Yeah, that's fine13:38
gibistephenfin: thanks for checking13:38
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openstackgerritThomas Goirand proposed openstack/nova master: Blacklist oslotest 4.1.0  https://review.opendev.org/72279214:02
zigolyarwood: There you go! ^14:02
zigo(took ages to clone nova with my poor DSL line...)14:03
stephenfinzigo: https://github.com/openstack/oslotest/commit/cdee551ae6145e4646809bf65e71817a63328d9a14:04
stephenfinI guess that's what's hitting us, since it's the only difference between 4.1.0 and 4.2.014:04
stephenfinbut we have mock in test-requirements.txt so that shouldn't be it either...14:05
zigoAnd in my build env, I did get mock 3.0.5 through the package Build-Depends:.14:05
stephenfinzigo: can you paste the failures somewhere?14:06
zigostephenfin: paste.openstack.org/show/792658/14:07
zigo26 failures of the same kind.14:07
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openstackgerritMerged openstack/nova-specs master: Updated Nova-Cyborg interaction spec.  https://review.opendev.org/68415114:08
stephenfinah, weird, looks like it's falling back to stdlib mock. I've seen that issue when trying to migrate nova to unittest.mock14:08
openstackgerritTakashi Natsume proposed openstack/python-novaclient master: Switch to using TOX_CONSTRAINTS_FILE  https://review.opendev.org/72279514:09
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openstackgerritDan Smith proposed openstack/nova-specs master: Update SPEC: Using PUT instead of PATCH API to update delete_on_termination  https://review.opendev.org/72219414:34
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gmanndansmith: how about mention the other accepted field also on PUT which were 400 previously ?- https://review.opendev.org/#/c/722194/4/specs/ussuri/approved/destroy-instance-with-datavolume.rst@11314:45
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openstackgerritGhanshyam Mann proposed openstack/nova master: Switch to TOX_CONSTRAINTS_FILE  https://review.opendev.org/72281414:58
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openstackgerritMerged openstack/nova stable/stein: Add config option for neutron client retries  https://review.opendev.org/72207715:07
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openstackgerritmelanie witt proposed openstack/nova stable/rocky: Add config option for neutron client retries  https://review.opendev.org/72281915:09
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openstackgerritVlad Gusev proposed openstack/nova stable/queens: Add config option for neutron client retries  https://review.opendev.org/72282215:21
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dansmithgmann: we could although at some point the spec just becomes duplicative of the documentation and/or the code/schema15:43
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openstackgerritMerged openstack/nova master: Update master for stable/ussuri  https://review.opendev.org/72252115:46
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* bauzas calls it a day16:02
gibibauzas: o/ have a nice weekend16:02
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bauzasmgoddard: I started to review https://review.opendev.org/#/c/695012/5, haven't done yet16:02
bauzasbut only have nits for the moment16:02
bauzasgibi: thanks, I have a virtual drink with friends in a couple of mins ;)16:03
gibi\o/16:03
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gmanndansmith: good point. anyways api-ref has those changes documented. good to go from me.16:13
dansmithcool16:14
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spatelsean-k-mooney: how are you, hope you doing well16:18
spatelI have question related cpu mode="host-passthrough" vs cpu mode="host-model"16:18
spatelAs you know host-passthrough good for performance but do we know how much performance its going to improve16:19
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spatelas i know host-passthrough is just exposing more flags to VM but does that improve performance?16:19
mgoddardbauzas: ok, good start16:26
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openstackgerritMerged openstack/nova-specs master: Update SPEC: Using PUT instead of PATCH API to update delete_on_termination  https://review.opendev.org/72219416:36
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kashyapartom: Saw your comments; thank you.  I'll respond on Monday.  But a quick note here after reading your ocmments:16:47
kashyapartom: No, we shouldn't mark 'pc' as deprecated -- the story is "complex" here -- but it remains a valid use for many workloads, 'legacy' _and_ non-legacy16:48
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kashyapartom: So, not changing the default in Nova itself is a valid option, for the reason libvirt did it.  When you get a minute, take time read this commit message from DanPB:16:49
kashyap    https://libvirt.org/git/?p=libvirt.git;a=commit;h=26cfb1a3cd16:49
kashyapI need to head out, but thanks, again!16:49
kashyap(I'll expand more on the spec.)16:50
openstackgerritMerged openstack/nova stable/stein: Make RBD imagebackend flatten method idempotent  https://review.opendev.org/70861516:54
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artomkashyap, akc, thanks!17:03
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openstackgerritMerged openstack/nova stable/stein: Reject boot request for unsupported images  https://review.opendev.org/70857817:06
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kashyapartom: Actually, I responded now.  Couldn't resist.  Some of your comments just "invited me out to respond" :D17:12
* kashyap AFK; back later. Have a good weekend.17:12
artomkashyap, yeah, I have that troll'ish effect :)17:12
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openstackgerritMerged openstack/python-novaclient master: Switch to using TOX_CONSTRAINTS_FILE  https://review.opendev.org/72279518:17
masterpeHi the cache mode of a vm of e existing vm is it stored in a database?18:32
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openstackgerritMerged openstack/python-novaclient master: Bump default tox env from py37 to py38  https://review.opendev.org/72288518:55
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-openstackstatus- NOTICE: The Zuul project gating service is reporting new patches in merge conflict erroneously due to a configuration error, fix in progress20:20
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masterpeI'm trying to change the cache mode of running instances from writeback to writethrough. I have changed the nova.conf to use writethrough. This works find for new instances. But for existing instances after live migration the mode on the new compute node it is still writeback? How can I fix this?20:43
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melwittmasterpe: I think you will need to stop/start or hard reboot or migrate the instances to make them generate new xml and take the new cache mode20:52
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melwittoh but you're saying after you changed the conf and live migrated, it kept the old cache mode? maybe cold migration only will regenerate xml. sorry I don't know for sure20:53
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artommelwitt, yeah, I don't see anything about cache in libvirt/migration.py, I'm pretty sure we don't update that21:03
melwittartom: ah, thanks for checking that. I didn't know if it was magic inside libvirt that moves the guest (xml) over or if it was something in nova. good to know21:05
artommelwitt, it's all Nova21:07
melwittthanks21:08
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openstackgerritmelanie witt proposed openstack/nova master: zuul: Switch to the Zuulv3 grenade job  https://review.opendev.org/70436421:34
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masterpeso libvirt generated the xml file and nova commands libvirt to migrate an instance to migrate an instance from hostA to hostB?22:23
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openstackgerritmelanie witt proposed openstack/nova stable/rocky: Lowercase ironic driver hash ring and ignore case in cache  https://review.opendev.org/72305022:51
-openstackstatus- NOTICE: the This Zuul outage was taken as an opportunity to perform an impromptu maintenance for changing our service deployment model; any merge failures received from Zuul between 19:40 and 20:20 UTC were likely in error and those changes should be rechecked; any patches uploaded between 20:55 and 22:45 UTC were missed entirely by Zuul and should also be rechecked to get fresh test results22:57
melwittmasterpe: yes and nova passes new xml to use on the destination https://github.com/openstack/nova/blob/master/nova/virt/libvirt/driver.py#L884622:58
melwittso to generate new xml you have to do server stop + start, or hard reboot, or cold migration, or rebuild23:04
melwittor resize, shelve + unshelve23:05
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openstackgerritmelanie witt proposed openstack/nova stable/queens: Lowercase ironic driver hash ring and ignore case in cache  https://review.opendev.org/72305423:22
openstackgerritmelanie witt proposed openstack/nova stable/pike: Lowercase ironic driver hash ring and ignore case in cache  https://review.opendev.org/72305523:27
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