Tuesday, 2017-03-28

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openstackgerritZhenyu Zheng proposed openstack/nova master: Add description to policies in lock_server.py  https://review.openstack.org/44846801:43
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openstackgerritZhenyu Zheng proposed openstack/nova master: Add description to policies in evacuate.py and rescue.py  https://review.openstack.org/45005902:00
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openstackgerritZhou Jianming proposed openstack/nova master: code comments incorrectness  https://review.openstack.org/45051802:14
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openstackgerritLi Yingjun proposed openstack/nova-specs master: Re-propose hypervisor-notification for Pike  https://review.openstack.org/34571402:16
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openstackgerritLi Yingjun proposed openstack/nova-specs master: Re-propose compute-node-notification for Pike  https://review.openstack.org/34571402:18
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openstackgerritwanghongxu proposed openstack/nova master: code comment redundant  https://review.openstack.org/45052002:27
openstackgerritZhenyu Zheng proposed openstack/nova master: Add description to policies in server_groups.py  https://review.openstack.org/44948602:28
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openstackgerritZhenyu Zheng proposed openstack/nova master: Add description to policies in flavor_extra_specs.py  https://review.openstack.org/45052702:50
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openstackgerritGhanshyam Mann proposed openstack/nova master: Fix 'server' and 'instance' occurrence in api-ref  https://review.openstack.org/45014102:54
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gmannjohnthetubaguy: updated commit msg ^^02:55
openstackgerritjichenjc proposed openstack/nova master: add usage doc for resource provider  https://review.openstack.org/45010503:03
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openstackgerritZhenyu Zheng proposed openstack/nova master: Add description to policies in server_metadata.py  https://review.openstack.org/45053803:22
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openstackgerritSivasathurappan Radhakrishnan proposed openstack/nova master: Permit Live Migration of Rescued Instances  https://review.openstack.org/30819803:42
openstackgerritSivasathurappan Radhakrishnan proposed openstack/nova master: API changes for live migration of rescued instance  https://review.openstack.org/32828003:42
openstackgerritjichenjc proposed openstack/nova master: Add allocation doc for placement  https://review.openstack.org/45055003:42
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openstackgerritZhenyu Zheng proposed openstack/nova master: Make metadata doc more readable  https://review.openstack.org/45055103:44
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openstackgerritjichenjc proposed openstack/nova master: add usage doc for resource provider  https://review.openstack.org/45010503:47
openstackgerritHuan Xie proposed openstack/nova master: Fix race condition when neutron is using minimized poll  https://review.openstack.org/44423003:47
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openstackgerritGhanshyam Mann proposed openstack/nova master: Fix api-ref for adminPass behavior  https://review.openstack.org/44945003:52
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openstackgerritJianghua Wang proposed openstack/nova-specs master: XenAPI: support for VGPU  https://review.openstack.org/45012203:53
gmannoomichi: done ^^03:53
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openstackgerritZhenyu Zheng proposed openstack/nova master: Make metadata doc more readable  https://review.openstack.org/45055104:00
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openstackgerritBéla Vancsics proposed openstack/nova master: Using max api version in notificationt sample test  https://review.openstack.org/44368605:33
openstackgerritBéla Vancsics proposed openstack/nova master: Transform instance.trigger_crash_dump notification  https://review.openstack.org/39622505:33
openstackgerritBéla Vancsics proposed openstack/nova master: Ensure instance is in active state after notification test  https://review.openstack.org/44865505:33
openstackgerritBéla Vancsics proposed openstack/nova master: Adding tags field to InstancePayload  https://review.openstack.org/40722805:33
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openstackgerritBéla Vancsics proposed openstack/nova master: Transform instance.trigger_crash_dump notification  https://review.openstack.org/39622505:35
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openstackgerritZhenyu Zheng proposed openstack/nova master: Add description to policies in server_groups.py  https://review.openstack.org/44948606:12
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openstackgerritxuan0802 proposed openstack/nova master: Implements: bug/1234  https://review.openstack.org/45060407:49
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openstackgerritxuan0802 proposed openstack/nova master: Test Implements: bug/1234  https://review.openstack.org/45060408:29
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johnthetubaguygmann: sweet, thanks gmann!08:34
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openstackgerritRadoslav Gerganov proposed openstack/nova master: VMware: serial console log (completed)  https://review.openstack.org/45063608:39
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openstackgerritZhenyu Zheng proposed openstack/nova master: Add description to policies in server_groups.py  https://review.openstack.org/44948608:51
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openstackgerritZhenyu Zheng proposed openstack/nova master: Add description to policies in lock_server.py  https://review.openstack.org/44846808:59
openstackgerritZhenyu Zheng proposed openstack/nova master: Add description to policies in evacuate.py and rescue.py  https://review.openstack.org/45005909:00
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openstackgerritZhenyu Zheng proposed openstack/nova master: Add description to policies in server_metadata.py  https://review.openstack.org/45053809:11
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Kevin_Zhenggmann: could you quick check this: https://review.openstack.org/#/c/449903/09:20
alexey_weylbauzas: Hi, I have another question about the host aggregates and the AZs.09:22
alexey_weylbauzas: Can there be two different AZs with the same name?09:22
alexey_weylbauzas: for example, if i have one host aggregate called HA1 with zone1 in it, and another host aggregate called HA2 with zone1 in it as well.09:23
gmannKevin_Zheng: thanks done09:23
alexey_weylbauzas: is it the same zone1? or are those 2 different AZs?09:23
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gcbsfinucan,  hope https://review.openstack.org/#/c/446898/ can be merged , then we can merge oslo one https://review.openstack.org/44689909:23
sfinucangcb: Thanks for the ping - I'd missed that. +209:24
gcbsfinucan, cool thanks09:25
gabor_antalHey, would someone please check https://review.openstack.org/#/c/448655/ ? I've hit this bug in another patch09:25
mdboothkaisers: Sucks about systemd-run :( I'm interested to know what problems you saw with the forking type, and what OS you're using.09:26
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mdboothkaisers: IIUC, the behaviour of that unit type is that any failure of the top-level process will be reflected in the exit code of systemd-run, so if the process fails before it forks we'll know about it.09:28
Kevin_Zhenggmann: thanks09:28
mdboothI guess mount.quobyte might fail after the fork, which would be disappointing.09:28
* mdbooth would expect it to establish the mount, then fork09:28
bauzasalexey_weyl: hola09:29
alexey_weylbauzas: hi :)09:30
bauzasalexey_weyl: not sure, lemme verify09:30
bauzasAFAIR, it's not possible, but I don't remeber where it's verified09:30
alexey_weylbauzas: I have created such an example as I described for you on my system, but I am just trying to understand if those are 2 different AZs.09:31
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bauzasalexey_weyl: yup, it's not possible09:33
bauzasalexey_weyl: because of nova.compute.api.is_safe_to_update_az09:34
bauzasalexey_weyl: https://github.com/openstack/nova/blob/master/nova/compute/api.py#L4583-L458609:34
alexey_weylbauzas: please explain. Because as I said I have created on my devstack a host sggregate called HA1 with zone1 and another host aggregate HA2 with zone1 as well.09:34
bauzasalexey_weyl: do you have hosts in the aggregates yet?09:35
alexey_weylbauzas: no09:35
bauzasalexey_weyl: okay, so please add one host into HA109:35
bauzasalexey_weyl: and then add a second host into HA109:36
bauzasHA2*09:36
bauzasthen, it should be kaboom for adding the second host into HA209:36
alexey_weylbauzas: you are saying that if i'll add hosts to those host aggregates and AZs then it will through an exception?09:36
bauzasyup09:36
alexey_weylbauzas: great, thanks very much!!! :)09:36
alexey_weylbauzas: very helpful! )09:37
bauzasyou can technically create two aggregates having same AZ metadata, but only one could have hosts in there09:37
alexey_weylbauzas: :)09:37
bauzasalexey_weyl: please verify it tho :)09:37
alexey_weylbauzas: Thanks :)09:37
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alexey_weylbauzas: ahhhhhhh, that is quiet a problem for me.09:37
openstackgerritGábor Antal proposed openstack/nova master: Transform instance.volume_attach notification  https://review.openstack.org/40199209:37
alexey_weylbauzas: because it is quite a procedure where I work to do such a thing.09:38
bauzasalexey_weyl: well, adding a host into the second HA2 aggregate would return you an exception saying "One or more hosts already in availability zone(s)"09:39
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gabor_antalsfinucan: thanks for the review! :)09:40
alexey_weylbauzas: ok, great09:40
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openstackgerritJohn Garbutt proposed openstack/nova master: Use HostAddressOpt for opts that accept IP and hostnames  https://review.openstack.org/44578209:42
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openstackgerritZhenyu Zheng proposed openstack/nova master: Add description to policies in lock_server.py  https://review.openstack.org/44846809:42
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openstackgerritSilvan Kaiser proposed openstack/nova master: Switch Nova Quobyte volume driver to mount via systemd-run  https://review.openstack.org/43234409:48
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rabelhi everyone. someone here with quota-knowledge? ;) i don't understand quota classes, default quota, etc. so i'd like to ask some questions09:52
openstackgerritJohn Garbutt proposed openstack/nova master: Add description to policies in used_limits  https://review.openstack.org/44771009:53
rabelfirst of all: what is a quota class? is that just a collection of quotas? so if i change the quotas for a project, that means there is a quota class assigned to that project in the background and i actually change the quotas in that class?09:53
rabelis "default" also a quota class or something different?09:53
rabeland what are default quotas for a project? since i thought the default quotas are those assigned to a new project. is this for creating new projects with --parent option?09:54
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kaisersmdbooth: Hi! I tested on centos 7.3 and in a xenial vm. The tests returned exit code 0 in all variants (except when i had a systemd-run parameter typo) and all tested sleep calls returned immediately09:59
kaisersmdbooth: right now i'm looking into another option, mount.quobyte does send a systemd ready notification upon successful mount, possibly this is a simple solution. But currently i'm looking into retrieving possible error information in such a variant10:01
mdboothkashyap: On centos 7.3?10:01
* mdbooth tests on his RHEL 7.3 box10:01
mdboothkashyap: That was for kaisers :)10:02
mdboothkaisers: Confirmed here :(10:02
mdboothBehaviour is different on F2510:02
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* kashyap blinks, and disregards :-)10:02
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openstackgerritMoshe Levi proposed openstack/os-vif master: Explain why we bring up the lb in hybrd mode  https://review.openstack.org/45069210:04
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openstackgerritMoshe Levi proposed openstack/os-vif master: Explain why we bring up the lb in hybrd mode  https://review.openstack.org/44726910:05
kaisersmdbooth: yep, just re-verified: http://paste.openstack.org/show/604445/10:08
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kaisersmdbooth: ok, I'll get back when i've looked into using systemd notify...10:09
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mdboothkaisers: You could solve it with the post-verify method, but I think it would be much better if you didn't have to10:10
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openstackgerritStephen Finucane proposed openstack/nova-specs master: Add 'move-nova-cmds-to-cliff' spec  https://review.openstack.org/43360310:23
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mdboothkaisers: I suspect this is what we really want: https://www.reddit.com/r/linux/comments/4ypb2g/systemd_rolls_out_its_own_mount_tool/d6qicwi/10:37
mdboothBit new, though :(10:37
mdboothIt's not even in Fedora10:38
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openstackgerritSergey Nikitin proposed openstack/nova master: [WIP] PIC NUMA policy PoC  https://review.openstack.org/39052010:43
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openstackgerritJianghua Wang proposed openstack/nova-specs master: XenAPI: support for VGPU  https://review.openstack.org/45012211:01
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openstackgerritSergey Nikitin proposed openstack/nova master: [WIP] PIC NUMA policy PoC  https://review.openstack.org/39052011:29
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kaisersmdbooth: yeah! This keeps on dangling fobidden ('cos too fresh) fruits in front of my face... :-D11:52
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gabor_antalbausas, sfinucan: would someone please readd WF+1, I had to rebase the patch: https://review.openstack.org/#/c/448655/12:04
gabor_antaloops, bauzas12:04
jaypipesgabor_antal: done12:04
gabor_antalthanks, Jay! that was quick :)12:05
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jaypipesgabor_antal: heh, well I was actually just reviewing that patch :)12:05
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openstackgerritJohn Garbutt proposed openstack/nova-specs master: Add policy-remove-scope-checks spec  https://review.openstack.org/43303712:10
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openstackgerritAndrey Kurilin proposed openstack/python-novaclient master: Explicitly specify arguments of server_groups creation  https://review.openstack.org/45076312:35
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openstackgerritJohn Garbutt proposed openstack/nova-specs master: Add spec to use cinder's new attachment API  https://review.openstack.org/37320312:42
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johnthetubaguymdbooth: would be awesome if you get chance to double check I didn't break anything with my fixes for mriedman's comments12:43
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openstackgerritJohn Garbutt proposed openstack/nova master: Use HostAddressOpt for opts that accept IP and hostnames  https://review.openstack.org/44578212:53
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openstackgerritAndrey Kurilin proposed openstack/python-novaclient master: Explicitly specify arguments of server_groups creation  https://review.openstack.org/45076312:54
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kaisersmdbooth: I'm changing this to rely on the sd_notify approach and i'm moving the systemd mount to a separate method as it becomes a completely separate mount/verify code path. This will take a bit, i'll ping you here once it's up for review, if that's ok...13:08
mdboothkaisers: Sounds good. Are you going to use the systemd-notify cmdline tool?13:08
kaisersmdbooth: Nope, the mount.quobyte client is sending this, so the call will stay mostly the same13:09
mdboothkashyap: Does it send a notification on failure?13:10
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mdboothkashyap: That was for kaisers (again)13:10
kashyapYeah, no worries, I know the tab-complete snafu all too well13:11
kaisersmdbooth: no, only a success notification13:11
kaisersmdbooth: but i'm adding a check for this13:11
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mdboothDo you happen to know if there's anywhere we can run a functional test of this and inject a failure?13:12
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kaisersmdbooth: Should be doable by providing an invalid backend address13:13
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kaisersmdbooth: That'd provide a range of output and a timeout on the unit startup13:13
mdboothkaisers: I mean: do we have infra to run it?13:13
kaisersmdbooth: our CI?13:13
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mdboothDoes your CI just run tempest?13:14
kaisersmdbooth: currently yes13:14
mdboothBecause this wouldn't be very tempesty13:14
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mdboothThis is a prime candidate for a functional test13:14
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kaisersmdbooth: hmm, i can add something like that. Is there doc about functional testing in CIs13:14
kaisers?13:14
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mdboothkaisers: sdague might know ^^^ ?13:15
kaisers<-- is adding a ticket for himself to add func testing to CI13:16
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openstackgerritJohn Garbutt proposed openstack/nova-specs master: Add additional-default-policy-roles spec  https://review.openstack.org/42787213:25
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openstackgerritRadoslav Gerganov proposed openstack/nova master: VMware: serial console log (completed)  https://review.openstack.org/45063613:36
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openstackgerritBalazs Gibizer proposed openstack/nova master: remove ugly local import  https://review.openstack.org/45078713:41
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gibijohnthetubaguy: hi! thanks for the review https://review.openstack.org/#/c/418488/ (13:43
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gibijohnthetubaguy: I've just noticed your comment in that13:43
gibijohnthetubaguy: here is the follow up fixing your comment https://review.openstack.org/#/c/45078713:43
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johnthetubaguygibi: cool, thanks13:46
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openstackgerritStephen Finucane proposed openstack/nova master: nova-manage: Deprecate 'shell' commands  https://review.openstack.org/45079413:51
openstackgerritStephen Finucane proposed openstack/nova master: nova-manage: Deprecate 'agent' commands  https://review.openstack.org/45079513:51
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openstackgerritStephen Finucane proposed openstack/nova master: conf: Rename '[neutron] ovs_bridge'  https://review.openstack.org/45026613:57
openstackgerritStephen Finucane proposed openstack/nova master: conf: Move 'floating_ips' opts into 'network'  https://review.openstack.org/43103913:57
openstackgerritStephen Finucane proposed openstack/nova master: conf: Deprecate 'default_floating_pool'  https://review.openstack.org/43103813:57
openstackgerritStephen Finucane proposed openstack/nova master: conf: Add neutron.default_floating_pool  https://review.openstack.org/43103713:57
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openstackgerritMaciej Szankin proposed openstack/nova master: Add fix_opt_description to database conf  https://review.openstack.org/45079913:57
tdurakovpaul-carlton2 eliqiao shaohe_feng pkoniszewski yuntongjin mdbooth kashyap kmartin claudiub tobasco abhishekk mrhillsman raj_singh wznoinsk siva_krishnan, live migration subteam meeting in 3 minutes on #openstack-meeting-313:57
mdboothjohnthetubaguy: Are you still changing the cinder spec?13:58
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johnthetubaguymdbooth: I am happy with the latest rev being reviewed again13:59
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openstackgerritDiana Clarke proposed openstack/python-novaclient master: Fix 'nova list --fields' error in no instances case  https://review.openstack.org/39607414:02
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mdboothildikov: Got a sec?14:06
openstackgerritGábor Antal proposed openstack/nova master: Transform instance.volume_attach notification  https://review.openstack.org/40199214:06
mdboothildikov: Wanted to talk about locking and shared connections.14:06
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openstackgerritMaciej Szankin proposed openstack/nova master: config options: remove libvirt imagecache  https://review.openstack.org/37849714:07
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mriedemoh hello14:10
mdboothmriedem: Have you been induced? Inducted?14:10
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ildikovmdbooth: hi, I'm here14:10
mdboothildikov: Yeah, just wanted to talk through locking around the shared connection thing.14:11
mdboothIt's not super urgent, but potentially detailed :)14:11
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mriedeminduced? the baby isn't due for another week.14:12
ildikovmdbooth: I'm not sure I'm the expert on that one, but happy to dig into my memories about it from the PTG, etc.14:12
mdboothildikov: So, I've already got a patch which solved this issue using the current apis here: https://review.openstack.org/#/c/383859/14:13
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ildikovmdbooth: I think shared connections are just confusing in general at this point...14:13
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mdboothIf we could reduce the complexity of that with the new apis I'd be all for it, but I've thought it through, and I've got quite a lot of context on this, and I don't see how it's possible to do race-free outside the host driver14:14
mdboothWell, we could construct something, but I think it would be more complex and fragile than doing it on the host14:14
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mriedemalex_xu: per the question about the multinic implementation of the neutron backed in nova, you might want to update this blueprint for pike https://review.openstack.org/#/c/384261/14:15
mdboothildikov: Anyway, happy to have that detailed discussion whenever.14:15
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mdboothildikov: The high level point, though, is that any api call which says "you're the last user" is inherently racy14:16
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ildikovmdbooth: so the new API's supposed to make it better, but beyond talking about the locks I'm not sure we fully see it at this point14:16
mdboothYou're always going to have to confirm that. IOW it doesn't really serve any purpose.14:16
ildikovmdbooth: I also think it would be a good discussion to the meeting we have on Thursday, so other folks can chime in too14:16
ildikovI think we want to lock on the host14:17
mdboothildikov: Ok, I'll bring it up there.14:17
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mdboothProbably the os-brick part doesn't need to directly concern itself with locking: that could be done by Nova.14:18
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mdboothHowever, I'm convinced it does need to live on the host.14:18
ildikovmdbooth: I think we are in an agreement on that14:18
ildikovbut I might miss something now if that's not the case :)14:19
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pjm6hi there14:19
mdboothildikov: Discussion of cinder passing lists of other users of a shared connection initially sounded like a good idea, but now they make me nervous.14:19
mdboothildikov: That information can never be safely used, so I'd prefer it didn't exist.14:20
pjm6there's a way to reset quota of openstack projects?14:20
ildikovmdbooth: we had multiple ideas on that, like sharing the info with Nova whether the driver shares the connection in general or not14:20
pjm6in stable/ocata there was a bug that when deleting some VMs, the quota were not updated14:20
mdboothmriedem: Incidentally, I made a thing: https://review.openstack.org/#/c/450383/2/nova/test.py14:21
mdboothIt's a poor man's compiler substitute14:21
ildikovmdbooth: the other was the list of remaining attachments or smth like14:21
ildikovin the new API attachment-delete does not return anything right now14:21
mdboothildikov: Yeah, that's the dangerous info14:21
mdboothThe host needs to work that out itself.14:21
mdboothEven if cinder passes it, Nova can never safely use it14:22
mdboothHowever, somebody might be tempted14:22
pjm6https://bugs.launchpad.net/nova/+bug/166826714:23
openstackLaunchpad bug 1670627 in OpenStack Compute (nova) ocata "duplicate for #1668267 quota is always in-use after delete the ERROR instances " [Critical,In progress] - Assigned to Matt Riedemann (mriedem)14:23
pjm6this bug, theres a way to reset quota or i must do it manually?14:23
ildikovmdbooth: I think the info on the driver's behavior is what's needed, the rest Nova can figure out after locking14:23
ildikovmdbooth: if this makes sense14:23
mriedemmdbooth: ok14:24
mdboothildikov: With a little thought I think we can define an interface between os-brick and Nova which will allow os-brick to do just the attach/detach, and Nova to ensure correctness14:25
mdboothI suspect we'll need an is_already_connected() call14:25
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ildikovdoes your idea require states in os-brick?14:26
mdboothWith that, attach, and detach, we're probably good.14:26
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mdboothildikov: Not if we implement it like this. It does require state on the host, though.14:26
mdboothBut the state doesn't need to be managed by os-brick14:26
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ildikovmdbooth: if we can do a lock and figure out the state when we do detach that would be the best14:29
alex_xumriedem: ok, i will check that14:29
ildikovmdbooth: you want to track the connections on the host and store the info?14:29
mdboothildikov: My patch stores state, but not persistently.14:30
mdboothIt inspects the host state on startup, then tracks attach/detach while running.14:30
mdboothAnd it has a bunch of additional sanity checking in there so it'll recover if things get out of whack anyway.14:30
mdboothThe model is entirely applicable to any shared connection.14:31
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mdboothAll I require of the lowest level is: attach, detach, is_connected14:31
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ildikovmdbooth: got it, I need to look into the patch a bit14:37
mdboothildikov: The patch as-is is specifically for drivers which use mount. Don't get hung up on that, though. The state tracking is the interesting bit.14:37
ildikovyeah, that part what I meant more14:38
* mdbooth wouldn't be surprised to find that all shared-connection drivers use mount, though.14:38
ildikovI'm personally always get scared when we start to do state tracking... :)14:38
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ildikovmdbooth: :)14:38
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mdboothildikov: Amongst other things, it fixes a bug we had in the old model. We'd just try to unmount and see if it succeeded or not. Problem is, it *would* succeed if one of the instances using it was stopped. You can scan the entire host state for that every time, or you can keep track of it.14:40
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mdboothAlso, it meant we never knew when a failure to unmount was an error.14:41
ildikovI guess scanning every time would be overkill14:41
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ildikovalthough re-scan every once in a while would still be good to make a sanity check14:41
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ildikovas we have issues identified with the old model, we should be able to fix that with the new14:42
mdboothMy patch just has sanity checking built in to connect/disconnect14:42
openstackgerritBalazs Gibizer proposed openstack/nova master: Remove **kwargs passing in payload __init__  https://review.openstack.org/41848914:43
ildikovmdbooth: oh ok, I thought it's only host startup14:44
mdboothIt does a full scan at host startup, but it also has enough context to do more sensible recovery during connect/disconnect14:44
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ildikovok, got it14:45
mdboothIncidentally, if you re-do the full host scan you'd need to block all connect/disconnect globally while you did it14:45
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ildikovthat does not sound ideal14:46
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openstackgerritBalazs Gibizer proposed openstack/nova master: Remove **kwargs passing in payload __init__  https://review.openstack.org/41848914:46
mdboothIt's a fundamental requirement, though.14:46
ildikovI just meant that if we would re-do the full scan at all connect/disconnect that does not sound ideal, I get the block14:47
mriedemjohnthetubaguy: i'm about to pull a +W on https://review.openstack.org/#/c/373203/ unless you think we need at least one more specs core to review it first?14:48
johnthetubaguymriedem: I mean, we have quite a few other folks +1s we could upgrade for this one14:50
jaypipesso, gibi, it seems to me that since you've been doing the "top 5 notifications patches" email each week, that we've made steady progress getting patches merged. would you agree?14:53
mriedemjohnthetubaguy: works for me, i'll just tell everyone you told me sum(+1) == +2 :)14:53
gibijaypipes: yes. I expressed exactly this to mriedem last week on the subteam meeting14:54
gibijaypipes: so I'm happy :)14:54
jaypipesgibi: cool.14:54
jaypipes:)14:54
gibijaypipes: and thankful for all the reviews14:54
jaypipesgibi: hey, no worries. I'm excited to get to searchlight.14:55
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openstackgerritdane-fichter proposed openstack/nova master: Use cursive for signature verification  https://review.openstack.org/35123214:56
ildikovmriedem: :)14:56
ildikovjohnthetubaguy: mriedem: I rebased jgriffith's detach PoC on lyarwood's refactor patch already14:57
mriedemok14:57
mriedemi'll try to review the refactor change this week between orientation stuff14:57
ildikovcool14:58
ildikovthank you!14:58
sfinucanvladikr: comment on https://review.openstack.org/#/c/430026/315:00
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mriedemalex_xu: were you working on removing api extensions in pike? i know you had a poc for removing the stevedore entries. did you want to start tracking that under https://blueprints.launchpad.net/nova/+spec/api-no-more-extensions-ocata ? we'd need to rename that to https://blueprints.launchpad.net/nova/+spec/api-no-more-extensions-pike which is fine since we did not make any progress there in ocata.15:01
alex_xumriedem: yea, I'm working on that, I will reuse that bp15:01
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mriedemalex_xu: ok i'll rename it quick15:05
alex_xumriedem: thanks15:05
mriedemdone https://blueprints.launchpad.net/nova/+spec/api-no-more-extensions-pike15:06
mriedemnp15:06
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openstackgerritAlex Xu proposed openstack/nova master: Use plain routes list for '/servers' endpoint instead of stevedore  https://review.openstack.org/44586415:11
openstackgerritAlex Xu proposed openstack/nova master: Remove the usage of extension black/white list opts in BDM tests  https://review.openstack.org/45083015:11
openstackgerritAlex Xu proposed openstack/nova master: Remove the usage of extension black/white list opts in multi-create  https://review.openstack.org/45083115:11
openstackgerritAlex Xu proposed openstack/nova master: Remove the usage of extension black/white list opt in config drive  https://review.openstack.org/45083215:11
openstackgerritAlex Xu proposed openstack/nova master: Remove the usage of extension black/white list opt in AZ  https://review.openstack.org/45083315:11
openstackgerritAlex Xu proposed openstack/nova master: Remove the usage of extension black/white list opt in user data  https://review.openstack.org/45083415:11
openstackgerritAlex Xu proposed openstack/nova master: Remove the usage of extension black/white list opt in scheduler hints  https://review.openstack.org/45083515:11
openstackgerritAlex Xu proposed openstack/nova master: Remove config opts for extension black/white list  https://review.openstack.org/45083615:11
openstackgerritAlex Xu proposed openstack/nova master: Remove the extension check for os-networks in servers API  https://review.openstack.org/45083715:11
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mdboothDoes anybody happen to know if we use SELinux labels when connecting an NFS volume using libvirt?15:23
mdboothkashyap: ^^^ ?15:23
kashyapmdbooth: I guess we do, I recall triaging a bug in that area15:24
mdboothIf we do, then it occurs to me this is another complication for multi-attach.15:24
mdboothjohnthetubaguy: ^^^15:24
kashyapLet me see if I can find it15:24
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mdbooth...if we've got existing protections designed to prevent an instance from reading another instance's storage.15:24
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dansmithmdbooth: how do multi-attach and nfs overlay?15:27
jaypipessfinucan: yeah, that doc/description of trait thing is a long-term plan15:28
vladikrsfinucan, ah, thanks, replied15:28
mdboothdansmith: Any fs-backed cinder volume driver, really15:28
jaypipessfinucan: I don't want to hold up any further on getting the storage and nic traits in.15:28
mdboothBut you've got a volume on nfs attached to instance A15:28
sfinucanjaypipes: Okidok15:28
dansmithmdbooth: but you still connect via iscsi to that thing on the actual compute, yes?15:28
kashyapmdbooth: I had to at least ensure this boolean is set `setsebool -P virt_use_nfs on`15:28
mdboothI'm guessing (no, really) that it's picked up an SELinux label which allows A to read it15:29
mdboothdansmith: Nope, it gets mounted on the host15:29
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dansmithmdbooth: ...really?15:29
dansmithI guess I've only used non-fs cinder drivers15:29
mdboothdansmith: You can review my patch, btw: https://review.openstack.org/#/c/383859/ ?15:30
mdbooth;)15:30
mdboothIt does lots of mounty type things15:30
dansmithbut I thought cinder-volume would just export via iscsi like it does for, say, lvm15:30
dansmithapparently I can't15:30
mdboothI just reviewed this for the quobyte driver, which is very similar: https://review.openstack.org/#/c/428646/15:31
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mdboothThey want to disable xattrs for performance reasons15:31
mdboothSet me thinking about SELinux and shared filesystems in general15:32
* mdbooth has never looked into it15:32
johnthetubaguymdbooth: you can't mount the same nfs share twice in two different locations then? I guess thats fairly stupid though15:35
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johnthetubaguymdbooth: the more I think about multi-attach, the more I kinda want an option for a set of read-only attachments to a volume snapshot as an explicit (simpler) special case15:36
mdboothjohnthetubaguy: You can, but **IIUC** the labelling on the individual file includes a MCS label specific to a particular domain(instance)15:37
mdboothThere *must* be a solution to this, though15:37
mdboothIt will definitely have come up before in libvirt15:37
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johnthetubaguymdbooth: yeah, i guess it should be possible, without re-labelling, presumably15:40
mdboothhttps://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/5/html/Virtualization/sect-Virtualization-Shared_storage_and_virtualization-Using_iSCSI_for_storing_virtual_disk_images.html15:40
mdboothAh, that's RHEL 515:40
mdboothThat says no labelling on NFS, but that didn't sound right to me15:40
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openstackgerritMaxim Nestratov proposed openstack/nova master: libvirt: change images cache and backend lock path  https://review.openstack.org/45087916:34
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openstackgerritGábor Antal proposed openstack/nova master: Transform instance.volume_attach notification  https://review.openstack.org/40199217:10
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openstackgerritdane-fichter proposed openstack/nova master: Use cursive for signature verification  https://review.openstack.org/35123217:24
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efriedIs there a channel for openstackclient?17:26
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efriedOr... How do I create a VM with no network?  Used to be I could say --nick none (which the usage statement & help claim is fine) - but that's now telling me "nics must be a list".17:31
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swebsterefried: somebody asked this in #openstack yesterday, and the answer was #openstack-sdks17:33
efriedswebster Thanks!17:33
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luoshi, i'd like to develop a filter scheduler for nova, what's the best method to get nova as a dependency? i mean i'd like to run some unit tests without actually installing the whole openstack17:34
siva_krishnanmdbooth, pkoniszewski can you please review this patch https://review.openstack.org/#/c/434870/ which fixes network interuption during post copy based on libvirt events17:35
efriedluos requirements.txt?17:35
efriedAssuming you're using tox/testr17:35
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luoscan you point me to the package? cause i could't find one where the actual nova scheduler api classes are in17:36
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luosor you mean just point it to github? i did a quick search now and saw it's possible17:37
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luosthanks efried,seems to be working17:43
efriedluos Good deal ;-)17:43
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dansmithis anyone else seeing this functional-py35 test fail?17:47
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efrieddansmith Allll over the place.17:53
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dansmithefried: yeah?17:53
efriedSeems to have gotten resolved some time last night, though.17:53
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efriedYesterday there was a pretty serious rash.17:54
dansmithI just rechecked and I think I'm getting it again17:54
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efriedboo.  Link?17:54
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dansmithhttp://logs.openstack.org/25/438025/32/check/gate-nova-tox-functional-py35-ubuntu-xenial/9d28a16/testr_results.html.gz17:55
dansmithit's different than the one I saw yesterday,m17:55
dansmithbut also in api_samples17:55
dansmithalthough the server groups one looks similar17:55
dansmithI've been in a hole for a while, have a pointer to what was being resolved?17:56
efrieddansmith No, I didn't follow it that closely, just did some rechecks and walked away whistling when I saw green...17:57
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dansmithhmm, okay17:57
efriedBut maybe I can resurrect a link to a failed one so we can see if it's the same.17:57
efriedI wanna say mine wasn't even getting that far, though.17:57
dansmiththis is the one from yesterday: http://logs.openstack.org/25/438025/32/check/gate-nova-tox-functional-py35-ubuntu-xenial/a773f20/testr_results.html.gz17:57
efriedThe ones I was seeing yesterday were actually in gate-nova-python3517:58
efriedSo - never mind \o/17:58
dansmithoh those are devstack on py35 right?17:59
efriedDunno about devstack.  Example: http://logs.openstack.org/04/409404/19/check/gate-nova-python35/f8976ec/17:59
efriedDidn't even run any tests.17:59
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dansmithah, unit tests18:00
dansmithhmm18:00
dansmithwell, I have to upgrade locally before I can run py35 tests so I guess I'll do that18:01
efriedActually, that one is still failing, same way.  So now I'm worried again.18:01
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efriedmriedem I'm getting the error "nics must be a list" when attempting to do openstack server create with --nic none.  It looks like you added _validate_create_nics via https://review.openstack.org/#/c/353018/ which doesn't seem to account for 'none' (or None).  Am I missing something, or can I open a bug?18:06
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mriedemefried: --nic18:28
mriedemsee the test https://review.openstack.org/#/c/353018/8/novaclient/tests/functional/v2/test_servers.py18:28
mriedemare you specifying the 2.37 microversion or using a client new enough to support that?18:28
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jaypipessfinucan: please see my comment/question to sahid on https://review.openstack.org/#/c/385364...18:45
efriedmriedem I'm not specifying a microversion.  How do I tell how old/new my client is?18:47
efriedmriedem Oh, I see; I shouldn't have hit that branch if I was using 2.37+18:48
efriedDoes openstackclient get installed as part of devstack?  Cause I *just* restacked.18:48
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efriedPerhaps not; but my installation appears to be from 3/10.  So it's surely new enough to support.  I don't know how to specify it, though.18:53
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efried--os-compute-api-version 2.37 - that did the trick.18:59
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openstackgerritSamantha Blanco proposed openstack/nova master: Make flavor-rxtx policy more granular flavor-rxtx currently only has one policy it checks against, which is not restrictive enough when used in conjunction with other policies (e.g., flavor-manage). This allows users a greater degree of customization.  https://review.openstack.org/44403619:42
mriedemefried: that's kind of odd because the default behavior in the CLI is to use the latest available supported version in the client if the server is new enough19:43
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mriedemefried: which is 2.41 now https://github.com/openstack/python-novaclient/blob/master/novaclient/__init__.py#L2819:44
efriedmriedem I would have expected so.  I checked my openrc and it wasn't specifying OS_COMPUTE_API_VERSION before.19:44
mriedemso --nic none should work automatically with latest devstack19:44
melwittmriedem: I think he's using openstackclient, it must not do the same thing of defaulting to latest?19:44
mriedemif you're using osc, then idk19:44
mriedemall bets are off19:44
melwittheh19:44
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efriedI had somehow gotten the impression that we were supposed to use osc rather than individual component CLIs.  Not so?19:44
mriedemwould have to ask stevemar or dtroyer,19:44
melwittefried: if you use the novaclient 'nova boot ...' it should Just Work(tm)19:45
mriedembut i woudn't be surprised if osc defaults the cli to 2.119:45
mriedemright the default cli behavior i was talking about was for novaclient19:45
mriedemefried: we should be using osc for cli stuff more now19:47
melwittefried: no, I think that's right, we do say use osc for the most part but it doesn't know anything about microversions. it will work if you pass the api version the way you did, as that will get passed through to novaclient19:48
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mriedemi personally haven't forced myself to do that yet19:48
efriedI try to do it for the most part.19:48
efriedThough I can't bring myself to say 'openstack server list' when 'nova list' will do ;-)19:48
mriedemwell root beer scratch n sniff for you then19:48
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efriedmriedem Yup, looks like you're right about the default version: https://github.com/openstack/python-openstackclient/blob/master/openstackclient/compute/client.py#L2619:49
efriedFrom what I can tell, that gets used for anything that doesn't have an explicit override in the env.19:49
mriedemmakes sense19:50
efriedor, duh, that file is just the compute client.19:50
melwittI think one challenge with osc is the different client CLIs don't do the same thing by default. nova's defaults to latest but I think ironicclient defaults to base?19:50
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melwittso if one were to implement version discovery in osc, you'd have to do it differently per client to make it act the same as the corresponding component CLIs19:51
mriedemi think cinderclient also wanted to default to base19:51
smcginnisIt would be good anyway if we all got consistent on that.19:51
mriedemi think other clients default to base for cli for backward compatibility, but i don't think we've ever said the cli is a contract so we allow going to latest19:51
mriedemif you wanted to pin the cli for novaclient you have to specify the microversion19:51
melwittyeah, I agree I think that's why19:51
smcginnismriedem: We've treated it more as a gentlemans agreement.19:52
mriedemsmcginnis: that's the most sexist thing i've ever heard19:52
smcginnis:P19:52
melwitt:)19:52
mriedemmaybe you need to bring it up at the forum as session topic19:52
mriedem"what should the default cli microversion behavior be?"19:52
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jrollfwiw, I applaud nova for having cli default to latest19:53
jrolltrying to push that in ironic as well19:53
jrollthis is not a bash sdk ಠ_ಠ19:53
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melwittyeah, I have thought it would kind of suck to get the latest CLI and then not be able to use what, 20+ new microversions out-of-the-box and have to do something extra?19:54
jrollyeah19:54
jrollthen the same people that want default at base complain they need to do work to get features, sigh19:55
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melwittsounds about right :P19:55
mriedembash sdk, i like that19:56
mriedemsounds like somthing sdague would say19:56
melwittI like the look of disapproval on that too19:56
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sdaguesmcginnis: part of the reason for nova client defaulting to latest is it also demonstrates how you could discover the server version and just do all the newest things the server will allow you20:00
smcginnissdague: I actually have come around to that.20:00
smcginnissdague: We originally wanted to avoid accidentally getting unexpected behavior.20:00
smcginnissdague: But I think that isn't as clean of UX.20:01
efriedI assume this conversation would be moot if we weren't breaking backward compatibility all the time?20:02
efried(which is my nice way of saying, are we breaking backward compatibility all the time?)20:03
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mriedemefried: different people define what's backward compatible in different ways, like some don't consider adding things to a response payload as backward incompatible20:10
mriedemif you pin the microversion, then you're not impacted by anything 'all the time'20:11
efriedIs the philosophy that the CLI is supposed to be for human consumption, and if you want to automate, you use the APIs?20:12
mriedemyes20:12
efriedThat's fair.20:12
mriedemif you're really tied to the CLI behavior, there are ways to pin the microversion with the CLI20:12
efriedAnd in that case, I agree that "use latest by default" is a good approach.20:12
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sdagueefried: yeh, I 100% agree with mriedem's statements there20:17
sdaguethe CLI is a user interface. We have a programming interfaces, it's the REST API.20:17
* mriedem gives self root beer scratch n sniff20:18
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efriedI dig it.  Though it's a significant barrier to entry for someone who wants a quick-and-dirty script.20:18
sdagueefried: not really20:19
efriedPowerVM CI uses shell scripting with CLI commands to set up the env.  esberglu Sounds like we should either look to convert to the REST API, or explicitly pin the microversion...20:19
sdaguequick-and-dirty doesn't mean - guarunteed to work for all time in production in 10 years20:19
jrollquick and dirty scripts shouldn't be long lived enough to.. ^20:19
sdaguejroll: ++20:19
efriedOkay, okay.20:19
efriedBut you know how that goes...20:19
jrollthough I know what you mean, they do last forever :)20:20
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sdaguejroll: heh, sure20:20
sdaguebut it's hard to make an argument about "why doesn't my quick and dirty thing work forever"20:20
* jroll looks at 3 year old onmetal hacks20:20
jrolltotes20:20
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sdagueefried: honestly, you'll probably be a ton more performant if you write just to the API, having been poking at run and load times on osc earlier today20:21
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efriedsdague Duly noted.  A bit scared of the learning curve there.  Also of rewriting something that "works for now"...20:22
mriedemmy first python script ever was a testing thing for internal CI using novaclient20:28
mriedemwe used it for 4 years20:28
mriedemi'm glad i didn't use bash20:28
mriedemcamel-cased that like a mofo though20:29
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sdagueheh20:31
lbragstadmriedem are you still planning on three proposals for nova sessions at the forum20:33
lbragstad?20:33
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robcresswellmriedem: btw, what did you mean when you said about the nova-net code not mattering when novaclient 8 is released?20:34
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openstackgerritchristopher.uhler proposed openstack/nova master: Libvirt volume driver for Veritas HyperScale  https://review.openstack.org/44395121:03
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openstackgerritOpenStack Proposal Bot proposed openstack/nova master: Updated from global requirements  https://review.openstack.org/45104321:34
openstackgerritOpenStack Proposal Bot proposed openstack/os-vif master: Updated from global requirements  https://review.openstack.org/45104921:35
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mriedemrobcresswell: for horizon?21:41
mriedemlbragstad: we have a few, more than 321:41
mriedemwould have to look at the latest21:41
mriedemrobcresswell: novaclient 8.0 will have dropped the proxy API / CLI stuff that was deprecated in microversion 2.3621:41
mriedemwhich includes nova-network21:41
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lbragstadmriedem in the keystone meeting we talked about the current proposals we had and which ones seemed to match the criteria for a proposal21:42
lbragstadmriedem curious if nova would be interested in a cross-project session with keystone on unified limits and policy/rbac next steps (two separate sessions)21:43
lbragstadcc sdague21:43
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mriedemlbragstad: there is already a session proposed for hierarchical quotas http://forumtopics.openstack.org/21:45
mriedemhttp://forumtopics.openstack.org/cfp/details/921:45
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mriedemin fact that's sean's21:45
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lbragstadmriedem sweet21:47
mriedemotherwise i already count at least 7 proposed sessions relevant to nova21:47
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mriedemmake that 8 or 921:47
mriedemi'm not sure if johnthetubaguy was thinking about specific sessions for policy and rbac21:48
mriedemoh i was also going to submit one for claims in the nova scheduler21:49
mriedemmaybe next week21:49
robcresswellmriedem: ah okay, so for pike nova-net wont be supported regardless of microversion?21:49
mriedemsh*t, actually friday since the due date is 4/221:49
lbragstadmriedem ok - thanks for the info, i'll follow up with johnthetubaguy21:49
mriedemrobcresswell: nova-network has been deprecated since newton. in the 2.36 microversion we deprecated a bunch of network-related resource APIs. in ocata, nova-network will only start in a cells v1 config.21:50
mriedemrobcresswell: in pike, nova-network support will likely be the same as ocata for deployment and APIs21:50
mriedemhowever, novaclient will not be the same in 8.0.21:50
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mriedemrobcresswell: we're gradually making it more painful to be using nova-network21:51
mriedemto get ready for the removal21:51
efriedmdbooth Not sure if you saw my message the other day, but I figured out why fsync was raising with EINVAL: https://bugs.launchpad.net/nova/+bug/167704721:51
openstackLaunchpad bug 1677047 in OpenStack Compute (nova) "glance download fsync raises EINVAL for FIFOs" [Undecided,New]21:51
robcresswellmriedem: My thinking is drop horizon support for it in Pike then...21:52
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robcresswellWould that work with your agenda?21:52
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mriedemrobcresswell: per my reply in the ML, i don't think you really have a choice,21:53
mriedemunless we cap novaclient at 7.1.0 in upper-constraints, which i don't want to do21:53
robcresswellmriedem: Ah! Gotcha. Sorry, sleepy reading.21:54
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robcresswellThats fine with me as well21:54
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mriedemcool. an ack reply in the thread would be helpful.21:55
robcresswellWill do21:55
mriedemi might have totally screwed up some words in my reply too, i should re-read21:55
mriedem"The messy part about this is when we release novaclient 8.0 then that  code is gone and microversions don't matter."21:56
mriedemto be clear, microversions don't matter at that point *for the client*21:56
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mriedemfor novaclient21:56
mriedemas the code is deleted21:56
mriedemthat doesn't mean we removed the actual nova-network code, or the REST APIs21:56
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mriedemserver-side21:56
mriedemrobcresswell: ^ does that help?21:56
robcresswellmriedem: Right, that clears things up, thanks21:56
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mriedemcool21:56
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openstackgerritEric Fried proposed openstack/nova master: WIP: Glance download: only fsync files  https://review.openstack.org/45109422:16
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efriedmdbooth ^^22:18
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