Wednesday, 2017-03-29

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openstackgerritHuan Xie proposed openstack/nova master: WIP: Fix race condition when neutron is using minimized poll  https://review.openstack.org/44423001:07
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openstackgerritHuan Xie proposed openstack/nova master: WIP: Fix race condition when neutron is using minimized poll  https://review.openstack.org/44423001:45
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openstackgerritTakashi NATSUME proposed openstack/nova master: Fix calling super function in setUp method  https://review.openstack.org/45113701:54
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gaoyuanI am working on 'Remove mox from testing infrastructure - Pike'. I noticed in the blue print that we shouldn't remove any stub_out function call in the scope of this bp. But, my question is, what should I do when I came up with a self.stub.Set? Just change to stub_out, or use mock? anyone can tell me ?03:21
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openstackgerritjichenjc proposed openstack/nova master: Remove the extension check for os-quota-class-sets  https://review.openstack.org/45119305:49
openstackgerritAlex Xu proposed openstack/nova master: Use plain routes list for '/servers' endpoint instead of stevedore  https://review.openstack.org/44586405:49
openstackgerritAlex Xu proposed openstack/nova master: Remove the json-schema extension point of server create  https://review.openstack.org/45119405:49
openstackgerritAlex Xu proposed openstack/nova master: Remove the stevedore extension point for server create  https://review.openstack.org/45119505:49
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openstackgerritAlex Xu proposed openstack/nova master: Remove the stevedore extension point for server create  https://review.openstack.org/45119505:54
openstackgerritAlex Xu proposed openstack/nova master: Use plain routes list for '/servers' endpoint instead of stevedore  https://review.openstack.org/44586405:54
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openstackgerritjichenjc proposed openstack/nova master: no extension for multiple create  https://review.openstack.org/39662206:01
openstackgerritjichenjc proposed openstack/nova master: remove keypair server extension  https://review.openstack.org/39661106:02
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openstackgerritjichenjc proposed openstack/nova master: WIP: remove extension of scheduler hints totally  https://review.openstack.org/33120206:09
openstackgerritjichenjc proposed openstack/nova master: WIP: remove scheduler_hints  https://review.openstack.org/33119406:09
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alex_xujichen: you probably want to check this https://etherpad.openstack.org/p/api-no-more-extensions-pike06:10
alex_xujichen: this is the new plan https://review.openstack.org/#/c/445864/5/nova/api/openstack/compute/routes.py@11706:11
jichenalex_xu: ok, you are saying that my previous patches is no use now?06:12
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alex_xujichen: I think it is still useful, but may need a little change06:12
jichenalex_xu: ok, I will go through the etherpad first, thanks for point that out06:12
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alex_xujichen: here is the patch you may want to check otu https://review.openstack.org/451194 and https://review.openstack.org/45119506:13
alex_xujichen: I want to remove the stevedore first, then let us merge those extensions06:13
alex_xujichen: otherwise we probably needs one or two years to reach out the point to get rid of stevedore. So try another way, remove stevedore first.06:14
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jichenalex_xu: I am ok to that, any work related to stevedore that might be helpful ? simple patch or need some break down?06:14
jichenalex_xu: only this one https://review.openstack.org/#/c/445864/5/ or additional work to be done? I might search in etherpad :)06:15
openstackgerritBéla Vancsics proposed openstack/nova master: Using max api version in notification sample test  https://review.openstack.org/44368606:15
alex_xujichen: this is one https://review.openstack.org/445864, move the servers related extesion to a routes list06:15
alex_xujichen: then probably we need to move all the extesion to that route list06:15
jichenalex_xu: ok, let me check this out, thanks06:15
alex_xujichen: np, free to leave message to me, I have to go to hospital with my wife now. back later.06:16
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openstackgerritTakashi NATSUME proposed openstack/nova master: api-ref: Fix parameters in os-hosts.inc  https://review.openstack.org/41644406:20
openstackgerritMoshe Levi proposed openstack/os-vif master: Explain why we bring up the lb in hybird mode  https://review.openstack.org/44726906:20
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openstackgerritBéla Vancsics proposed openstack/nova master: Remove _wait_for_state_change() calls from notification (action)tests  https://review.openstack.org/45121707:11
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openstackgerritLei Zhang proposed openstack/nova master: Remove namespace check in creating traits  https://review.openstack.org/45123007:47
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openstackgerritAlex Xu proposed openstack/nova master: Remove the stevedore extension point for server create  https://review.openstack.org/45119507:55
openstackgerritAlex Xu proposed openstack/nova master: Use plain routes list for '/servers' endpoint instead of stevedore  https://review.openstack.org/44586407:55
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openstackgerritZhenyu Zheng proposed openstack/nova master: Don't delete neutron port when attach failed  https://review.openstack.org/40356808:01
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openstackgerritHuan Xie proposed openstack/nova master: WIP: Fix race condition when neutron is using minimized poll  https://review.openstack.org/44423008:06
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openstackgerritHuan Xie proposed openstack/nova master: WIP: Fix race condition when neutron is using minimized poll  https://review.openstack.org/44423008:36
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openstackgerritAlex Xu proposed openstack/nova master: Remove the stevedore extension point for server create  https://review.openstack.org/45119508:48
openstackgerritAlex Xu proposed openstack/nova master: Remove the json-schema extension point of server create  https://review.openstack.org/45119408:48
openstackgerritAlex Xu proposed openstack/nova master: Use plain routes list for '/servers' endpoint instead of stevedore  https://review.openstack.org/44586408:48
openstackgerritAlex Xu proposed openstack/nova master: Remove the extension check for os-networks in servers API  https://review.openstack.org/45083708:48
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openstackgerritHuan Xie proposed openstack/nova master: WIP: Fix race condition when neutron is using minimized poll  https://review.openstack.org/44423008:57
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openstackgerritGábor Antal proposed openstack/nova master: Transform instance.volume_attach notification  https://review.openstack.org/40199209:08
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openstackgerritZhenyu Zheng proposed openstack/nova master: Add description to policies in admin_password.py  https://review.openstack.org/45127109:26
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openstackgerritSivasathurappan Radhakrishnan proposed openstack/nova master: Permit Live Migration of Rescued Instances  https://review.openstack.org/30819809:38
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openstackgerritZhenyu Zheng proposed openstack/nova master: Add description to policies in hypervisors.py  https://review.openstack.org/45129409:40
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mdboothjohnthetubaguy: https://review.openstack.org/#/c/451094/1/nova/image/glance.py10:06
openstackgerritRikimaru Honjo proposed openstack/nova master: Consolidate unit tests for shelve API  https://review.openstack.org/42122010:06
mdboothApparently powervm uses a pipe here10:06
mdboothBut powervm isn't in tree10:06
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mdboothThe change itself looks fine, but I'm wondering if we have a policy on making changes which are only relevant to things which aren't in tree.10:07
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kashyapmdbooth: Saw your comment on https://bugs.launchpad.net/bugs/1643911, will respond in a few10:20
openstackLaunchpad bug 1643911 in OpenStack Compute (nova) "libvirt randomly crashes on xenial nodes with "*** Error in `/usr/sbin/libvirtd': malloc(): memory corruption:"" [Medium,Confirmed]10:20
kashyapWhat a nasty bug10:20
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mdboothkashyap: Is it the one Dan B investigated?10:24
johnthetubaguymdbooth: its a good question, usually it boils down to how would we test and maintain said code, although I think thats the driver that is slowly moving in tree, unless I got it mixed up10:24
kashyapmdbooth: Partly only.  He didn't spend any more time, beyond the discussion I noted in the comments.10:24
kashyapThere _seems_ to be a bug somewhere.  But running Valgrind is not feasible, as it'll be horrendously slow10:25
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openstackgerritAndrey Volkov proposed openstack/nova master: [placement] Add api-ref for GET RP inventories  https://review.openstack.org/44976510:34
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openstackgerritGhanshyam Mann proposed openstack/nova master: Merge server create schema for availability zone extension  https://review.openstack.org/45133110:57
gmannalex_xu: this one - https://review.openstack.org/#/c/451194/210:58
gmannalex_xu: this also looks fine or we can remove those directly like this - https://review.openstack.org/45133110:59
gmannalex_xu:  or should i make those patches dependent on your one ?10:59
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alex_xugmann: yes, 451331 can depend on 45119411:00
alex_xugmann: 451194 is for get rid of stevedore quickly11:01
alex_xugmann: just like this https://review.openstack.org/#/c/451195/4/setup.cfg11:01
alex_xugmann: then we can merge those schema and extension later11:01
alex_xugmann: anyway the goal is removing stevedore first11:02
alex_xugmann: the step what I think is here https://etherpad.openstack.org/p/api-no-more-extensions-pike11:02
openstackgerritHuan Xie proposed openstack/nova master: WIP: Fix race condition when neutron is using minimized poll  https://review.openstack.org/44423011:03
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gmannalex_xu: cool. that is very nice etherpad11:07
alex_xugmann: thanks11:07
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gmannalex_xu: about 3rd and 6th , they are not same ?11:07
alex_xugmann: 3rd is build controller like this https://review.openstack.org/#/c/445864/5/nova/api/openstack/compute/routes.py@6711:08
alex_xugmann: 6th is like your patch, merge those extended controller into servers controller11:08
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alex_xugmann: the focus should be 3rd now, after 3rd finished, we can remove the stevedore11:09
gmannalex_xu: merge extended controller is 8 right?11:10
alex_xugmann: 8th is about the 'server create' extension point11:10
alex_xugmann: sorry for I didn't describe clear about those11:10
openstackgerritTakashi NATSUME proposed openstack/nova-specs master: Specify keymap on server boot  https://review.openstack.org/44883011:11
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openstackgerritTakashi NATSUME proposed openstack/nova-specs master: Abort Cold Migration  https://review.openstack.org/33473211:11
alex_xugmann: 6th is for merge those thing https://github.com/openstack/nova/blob/master/setup.cfg#L73  8th is for merge those https://github.com/openstack/nova/blob/master/setup.cfg#L15811:11
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openstackgerritTakashi NATSUME proposed openstack/nova-specs master: List/show all server migration types  https://review.openstack.org/40723711:11
openstackgerritTakashi NATSUME proposed openstack/nova master: Refactor a test method including 7 test cases  https://review.openstack.org/39543611:13
gmannalex_xu: you mean to merge all externsions not just server one in 6th right?11:13
alex_xugmann: yes11:14
gmannalex_xu: and 3rd is to merge the URl mapping and controller bits11:14
alex_xugmann: yes, 3rd is to use the plain route list instead of stevedore https://review.openstack.org/#/c/445864/7/nova/api/openstack/compute/routes.py@11911:15
gmannalex_xu: yea.11:15
gmannalex_xu: so mainly 7 and 8 also kind of same as 6 but you separated for server create11:16
openstackgerritTakashi NATSUME proposed openstack/nova master: Refactor a test method including 3 test cases  https://review.openstack.org/39473811:16
alex_xugmann: yea11:16
gmannalex_xu: so you want 6, 7 and 8 in last ? i thought first these and then stevedore things11:16
alex_xugmann: yes, 6,7,8 will spend a lot of time for us, if we do those first, I feel we need a long time to reach the point of remove stevedore11:17
openstackgerritJaivish Kothari(janonymous) proposed openstack/os-vif master: Argument should have 2 params  https://review.openstack.org/45133811:18
alex_xugmann: so I try to remove the stevedore first, then let us cleanup 6,7,8 slowly11:18
alex_xugmann: I hope 3rd is easier than 6,7,811:18
gmannalex_xu: i like 6.7.8 easy :) but yea those can take much time so its good to remove the small bits early11:19
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gmannalex_xu: i can help on 3rd too. let's see we can touch 6,7,8 also in Pike at least little bit11:20
alex_xugmann: thanks!11:20
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openstackgerritHuan Xie proposed openstack/nova master: WIP: Fix race condition when neutron is using minimized poll  https://review.openstack.org/44423011:27
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alex_xugmann: really hope can merge those json-schema, due to this ugly code https://review.openstack.org/#/c/451194/2/nova/api/openstack/compute/servers.py@73311:28
openstackgerritHuan Xie proposed openstack/nova master: WIP: Fix race condition when neutron is using minimized poll  https://review.openstack.org/44423011:28
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openstackgerritAlex Xu proposed openstack/nova master: Remove the rebuild extension help methods  https://review.openstack.org/45134611:34
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openstackgerritjichenjc proposed openstack/nova master: add usage doc for resource provider  https://review.openstack.org/45010512:11
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openstackgerritjichenjc proposed openstack/nova master: Remove the extension check for os-quota-class-sets  https://review.openstack.org/45119312:29
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openstackgerritOpenStack Proposal Bot proposed openstack/nova master: Updated from global requirements  https://review.openstack.org/45104312:35
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alex_xunova api meeting is in 15 mins at #openstack-meeting-412:45
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openstackgerritBalazs Gibizer proposed openstack/nova master: remove ugly local import  https://review.openstack.org/45078712:56
openstackgerritBalazs Gibizer proposed openstack/nova master: remove get_nw_info_for_instance from compute.utils  https://review.openstack.org/45138712:56
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gmannalex_xu: yea scheduler_hints is really on wrong place on request12:58
openstackgerritStephen Finucane proposed openstack/nova master: nova-manage: Deprecate 'agent' commands  https://review.openstack.org/45079512:58
openstackgerritStephen Finucane proposed openstack/nova master: nova-manage: Deprecate 'shell' commands  https://review.openstack.org/45079412:58
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alex_xugmann: yea12:59
alex_xunova api meeting is running13:00
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dansmithsdague: I get this locally when running functional-py35 .. any ideas what I'm doing wrong? https://pastebin.com/28hkZ2TG13:34
dansmithor, hmm, that stacktrace shows some 27 and some 35 in the same process I guess13:35
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openstackgerritOpenStack Proposal Bot proposed openstack/nova master: Updated from global requirements  https://review.openstack.org/45104313:38
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openstackgerritOpenStack Proposal Bot proposed openstack/os-vif master: Updated from global requirements  https://review.openstack.org/45104913:40
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bauzasdansmith: yup, I looked at your errors, seeems unrelated to your tests, isn't it?13:43
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bauzasyour s/tests/change13:43
dansmithbauzas: seems like it, but I wanted to try to reproduce it locally to figure it out13:43
dansmithI figured if everyone was hitting that there would be screaming all around, so..13:44
bauzasone is a connection timeout AFAIK13:44
bauzasAFAICS rather13:44
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bauzasthe other says "sorry, we don't expect this but that"13:44
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dansmithI know13:44
bauzasand both are very similar so /o\13:44
dansmithhave you seen it elsewhere/13:44
bauzasnope, but honestly haven't checked logstash yet13:45
bauzasso possibly some new cool race conditions13:45
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fricklerrepeating my question from #openstack here: when I have attached a volume to a server, how can I determine afterwards whether delete_on_termination is true or false?14:04
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dansmithbauzas: tox from py35 lets me run those tests, by the way14:06
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bauzasdansmith: okay, so it's either a CI issue or a race14:07
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dansmithbauzas: no, I mean I can run functional-3.5 as a target14:07
dansmithI haven't gotten to the two specific tests yet14:07
bauzasah ok14:07
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sdaguedansmith: the only thing I can imagine is virtualenv on your base computer is really old?14:12
dansmithsdague: just uninstalling tox and re-installing with python3 seems to have fixed it14:13
sdaguedansmith: ah14:13
sdagueany idea how old old tox was?14:13
sdagueis that in your uninstall logs14:13
dansmithit was from pip before, probably fairly old, not sure I'd have logs of that kind of uninstall14:14
dansmithand it's long since gone off my screen14:14
sdaguedansmith: ok, because if there is a new min we need it would be good to know, we can do that in tox.ini, then it will at least freak out if things aren't new enough with an understood message14:14
dansmithsdague: yeah, wish I had thought of it14:15
dansmithI don't think I have pip logs of that anywhere14:15
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sdagueI honestly expect we probably need 2.3.0 as a minimum14:17
sdaguethere is a 2.2ish fix around env14:17
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dansmithbauzas: and yes, those tests all pass locally :)14:17
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bauzaslogstash-ing it14:18
bauzasI'm a bit rusty14:18
dansmithsdague: well, the weirdness was that it was importing things from py27 and py35 on the system14:18
dansmithbut yeah14:18
sdagueyeh, but there was something about basepython and env clobbering each other14:19
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rpodolyakafrickler: it's in instance detailed info - http://paste.openstack.org/show/604665/ - i.e. GET /servers/<uuid> (nova show <uuid>)14:21
dansmithokay14:21
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openstackgerritStephen Finucane proposed openstack/os-vif master: Convert all 'ip-link set' commands to pyroute2  https://review.openstack.org/45143314:24
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fricklerrpodolyaka: ah, great, the v2.41 is the trick, osc uses 2.1 by default and then it is missing. if I explicitly call for 2.41, I see the correct information. thx alot14:27
rpodolyakafrickler: oops, that may be a red herring - that just what I get for `nova --debug show <uuid>`14:27
rpodolyakafrickler: so just test it on 2.1, I14:27
rpodolyaka*I'm not aware of any changes related to the info we return on attached volumes14:28
fricklerrpodolyaka: no, I confirmed that "openstack --os-compute-api-version=2.41 server show test1" shows the attribute, without setting the api version it doesn't14:28
fricklerrpodolyaka: was added in 2.16 it seems14:28
rpodolyakaah, ok14:28
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fricklermakes me wonder why OSC doesn't use latest API by default14:29
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rpodolyakafrickler: neither does python-novaclient. Every new microversion is potentially backward-incompatible - you have to explicitly ask for it and make changes to the code (if necessary)14:30
openstackgerritDan Smith proposed openstack/nova master: Make conductor ask scheduler to limit migrates to same cell  https://review.openstack.org/43802514:31
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sdaguerpodolyaka: that's not true, novaclient CLI uses latest by default14:32
rpodolyakasdague: hmm, won't it break novaclient if we remove field X from the output of some endpoint and novaclient expects it to be present?14:33
rpodolyakaI thought we defaulted to the minimum14:33
rpodolyakaand only ask for newer version if that's needed14:34
rpodolyakaor if the command, let's say nova show now supports it (and so does the nova-api we talk to)14:34
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efriedDid nova recently change what kind of threads the compute process uses?14:35
rpodolyakasdague: or by latest you mean latest supported by novaclient? not the latest returned by nova-api?14:36
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sdaguerpodolyaka: we default to latest novaclient understands that the server supports14:36
rpodolyakaah, I see, that makes sense14:36
rpodolyakafrickler: ^14:36
rpodolyakafrickler: sorry for misleading you :P14:37
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sdagueefried: nothing that I know of, what kind of things are you running into?14:37
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efriedsdague Got an open() hanging in a subthread - and it's hanging the entire compute process.14:37
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sdagueefried: there was an eventlet bump not that long ago14:38
openstackgerritStephen Finucane proposed openstack/nova master: conf: Rename '[neutron] ovs_bridge'  https://review.openstack.org/45026614:38
openstackgerritStephen Finucane proposed openstack/nova master: conf: Move 'floating_ips' opts into 'network'  https://review.openstack.org/43103914:38
openstackgerritStephen Finucane proposed openstack/nova master: conf: Deprecate 'default_floating_pool'  https://review.openstack.org/43103814:38
openstackgerritStephen Finucane proposed openstack/nova master: conf: Add neutron.default_floating_pool  https://review.openstack.org/43103714:38
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efriedsdague Ah, that could do it.  Got a pointer on hand, save me digging?14:39
efriedthorst ^^14:39
efriedIt's the open() in the GlanceImageServiceV2.download method.  I know why it's hanging - it's opening a FIFO and the reader side hasn't been opened yet - but the problem is that it's blocking all the other threads in the process - one of which is the reader side of that fifo :(14:40
fricklersdague: rpodolyaka: so do you happen to know why OSC behaves different? or is it just lagging behind?14:41
sdagueefried: check out the openstack dev list on some issues around poll that were found14:41
sdaguefrickler: ask the osc team?14:41
efriedsdague rgr that.14:41
efriedfrickler I actually ran into this same thing yesterday.14:41
fricklersdague: efried: o.k., moving over to -sdks, thx14:42
efriedTalked about it on #openstack-sdks - let me get you an eavesdrop reference...14:42
efriedhttp://eavesdrop.openstack.org/irclogs/%23openstack-sdks/%23openstack-sdks.2017-03-28.log.html#t2017-03-28T17:33:5814:43
efriedfrickler ^^ Read down to the 20:21 mark.14:43
efriedfrickler Adding your voice to the "use latest version" argument might help to get things moving in that direction \o/14:44
fricklerefried: will do, thx for the pointer14:44
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openstackgerritMatthew Booth proposed openstack/nova master: Add InstanceMappingList.get_by_instance_uuids  https://review.openstack.org/44513914:45
openstackgerritMatthew Booth proposed openstack/nova master: Make server_external_events use an optimal number of db queries  https://review.openstack.org/44514214:45
openstackgerritMatthew Booth proposed openstack/nova master: Add RequestContext.for_cell()  https://review.openstack.org/44514014:45
openstackgerritMatthew Booth proposed openstack/nova master: Add InstanceList.get_by_instance_mapping_list()  https://review.openstack.org/44514114:45
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EmilienMsdague or mriedem: can you please click on https://bugs.launchpad.net/nova/+configure-bugtracker and paste the text you use ? thanks14:52
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mriedempaste the text we use?14:52
mriedemi don't understand the request14:52
mdboothmriedem: If you like my meta-test, could we re-merge https://review.openstack.org/#/c/450383/ ?14:53
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EmilienMmriedem: yes, the text that appears when someone fils a bug14:53
mriedemmdbooth: i'm leaving in about 10 minutes so won't have time for that right now.14:53
EmilienMmriedem: I want to re-use it in tripleo somehow14:53
mdboothmriedem: Ok.14:53
mriedemEmilienM: like http://paste.openstack.org/show/604670/ ?14:54
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sdagueEmilienM: is that not visible to you if you just try to open a new bug?14:54
EmilienMmriedem: perfect14:54
EmilienMsdague: yes but I didn't want to spam your bug tracker14:54
sdagueEmilienM: you don't have to save the bug :)14:54
EmilienMsdague: in fact, I'm interested by the popup that appears when the bug is saved14:55
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sdagueEmilienM: ah, yeh, that's another field, let me grab14:55
EmilienMthanks a lot14:55
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sdaguehttp://paste.openstack.org/show/604672/14:55
EmilienMawesome, thx again14:55
sdagueno prob14:56
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mdboothdansmith: Did you see this change, btw: https://review.openstack.org/#/c/445142/15:27
mdboothIt's not incredibly important itself, although I think it's useful, but it illustrates the idea of using object contexts15:28
dansmithmdbooth: yes, but I've been completely swamped with other stuff15:28
mdboothdansmith: Ok, cool. Just wondered if it had hit your radar.15:28
openstackgerritSujitha proposed openstack/nova master: Adding tags field to InstancePayload  https://review.openstack.org/40722815:28
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jaypipessfinucan: hmm, weird. for some reason I was under the impression that emulator threads would all be pinned to the same physical CPU core (when emulator thread policy was ISOLATE)15:39
jaypipessfinucan: since, my impression was that the emulator threads were actually pretty lightly loaded in a RT environment15:40
sfinucanjaypipes: Not per my understanding, no - emulator cores aren't really any different to instance cores15:40
sfinucanthe only difference is that emulator cores are always on node 015:41
jaypipessfinucan: ok, no worries. just a bad recollection of mine, I guess :)15:41
sfinucanplus how they're tracked is totally different :)15:41
sfinucancool cool15:41
jaypipessfinucan: you good on https://review.openstack.org/#/c/400877/?15:42
openstackgerritMaciej Szankin proposed openstack/nova master: conf: remove *_topic config opts  https://review.openstack.org/43392415:42
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sfinucanjaypipes: Hmm, don't know why I missed that. Checking now15:42
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openstackgerritSujitha proposed openstack/nova master: Adding tags field to InstancePayload  https://review.openstack.org/40722815:57
mriedemlyarwood: first thing i noticed right away https://review.openstack.org/#/c/439520/15:57
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johnthetubaguymriedem: dam it, I -1ed for that in a previous version15:59
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mriedemsure you did, sure you did16:01
mriedem:P16:01
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mdboothmriedem: Incidentally, I also wanted to highlight this patch to you: https://review.openstack.org/#/c/445142/16:04
mdboothAs I said to dansmith, it's not that important itself, but it demonstrates using object context when you've got a bunch of instances from different cells16:04
vks1hi, how does nova configure tag for VM ports ?16:04
mdboothSo as well as being less error prone, it can also be more efficient16:05
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vks1I see for 2 ports of a network on different compute has different tag.16:05
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vks1is this valid ? can someone point to the document for the behavior ?16:06
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mriedemvks1: you want to talk to artom16:07
mriedemmdbooth: https://review.openstack.org/#/c/439520/ is my goal for the week16:07
artomvks1, heya16:07
vks1mriedem: thanks16:08
artomvks1, I don't understand your question :(16:08
mdboothmriedem: You mean the actual detach calls, right? ;)16:08
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clarkbkashyap: mdbooth: hello, right now three of the four top bugs tracked by elastic-recheck originate in libvirt http://status.openstack.org/elastic-recheck/index.html#1643911 http://status.openstack.org/elastic-recheck/index.html#1638982 http://status.openstack.org/elastic-recheck/index.html#1646779 I know kashyap has poked at these in the past, but would it be possible to try and figure out these16:08
clarkbissues? ianw started working on getting devstack to collect core dumps (though those aren't thought to be of help here) and was going to try running libvirt under electric fence. Maybe we can get a small group of people to coordinate around this and work together?16:09
vks1artom: I have 2 VMs launched on 2 different compute. When I see the tap ports on OVS , on one compute I see tag:1 and on other compute its tag:316:09
vks1artom: both the VMs are of same n/w16:09
kashyapclarkb: Hi there, I've seen yours and Ian's responses in the Inbox, but I still haven't had a chance to act on them16:09
kashyapclarkb: Yeah, core dumps won't help in this case16:09
artomvks1, err, you set the tags yourself at instance create?16:09
kashyapclarkb: At least that's what the libvirt dev involved (Michal Privoznik) said16:10
vks1artom: no16:10
artomvks1, err, which tags are you talking about then?16:10
mdboothclarkb: Couple of things, I posted an update to ianw 's patch which enables efence and also works on Fedora: https://review.openstack.org/#/c/451430/16:10
clarkbkashyap: ianw figured it was something devstack should do anyways so wouldn't hurt to have it, then we can actually rule it out as not being helpful16:10
vks1artom:  Port "tap319bae97-0b"16:10
vks1            tag: 116:10
vks1            Interface "tap319bae97-0b"16:10
mdboothclarkb: Secondly, I think we have to treat this as a downstream Ubuntu bug16:10
mriedemmdbooth: i want to get that refactor merged this week16:10
kashyapclarkb: Oh that's certainly true -- having a coredump ready, it's super easy with systemd :-)16:10
artomvks1, what is that the output of?16:11
kashyapclarkb: I mean, having them available in general16:11
mdboothclarkb: The Ubuntu maintainers need to look at this16:11
clarkbmdbooth: it certainly affects ubuntu (I don't have evidence of it affecting fedora or centos), but that doesn't necessarily mean its their bug16:11
vks1artom: ovs-vsctl show16:11
artomvks1, I have a feeling you're talking about vlan ids...16:11
vks1artom: yeah16:11
clarkbmdbooth: the last time we had a similar situation it was very clearly libvirts bug once someone from libvirt actually looked at it (instead of blaming ubuntu)16:11
mdboothclarkb: As I said in some LP bug somewhere, upstream libvirt aren't going to be that interested in this, because it's not the latest stable release16:11
artommriedem, you volunteered me for the wrong thing dude ;)16:11
mdboothclarkb: A libvirt maintainer has already looked, and doesn't think it's broken in the latest stable release16:12
artomvks1, so... different ports have different vlans?16:12
mriedemartom: redirect to vladikr?16:12
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vks1artom: yeah16:12
mriedemartom: delegation is the sign of true leadership :)16:12
artommriedem, *proper* delegation ;)16:12
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artomvks1, so is that bad? What's your expectation?16:12
kashyapmdbooth: To answer your question from earlier in the day -- it's not actually the same bug as this one (https://bugs.launchpad.net/nova/+bug/1673483)16:12
openstackLaunchpad bug 1673483 in libvirt (Ubuntu) "libvirt: test_attach_volume_shelved_or_offload_server times out waiting for device detach (which fails)" [Medium,Triaged]16:12
vladikr:)16:12
kashyapmdbooth: Where danpb identified the missing patches16:13
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vks1artom: thanks vladikr is here16:13
clarkbmdbooth: ok, this is frustrating because have had had similar issues in the past with the same exact attitude from upstream and the end result was libvirt had a terrible bug in it that affected every version since the code went in16:13
clarkband it took months to get fixed because no one would look at it for more than 5 minutes16:13
vks1artom: vlan tagging should be same16:13
clarkbI'm not saying thats the case here, but that attitude hasn't been productive in the past16:13
vks1vladikr: hi16:13
kashyapmdbooth: Because, the Nova stack traces are different from both bugs, that's why we didn't close them as duplicates16:14
openstackgerritSujitha proposed openstack/nova master: Adding tags field to InstancePayload  https://review.openstack.org/40722816:14
mdboothclarkb: Well, we're running our CI on unmaintained, unsupported infrastructure16:14
vks1vladikr:  I have 2 VMs launched on 2 different compute. When I see the tap ports on OVS , on one compute I see tag:1 and on other compute its tag:3 . both the VMs are of same n/w.16:14
mdboothclarkb: Support for that is always going to be frustrating16:14
vladikrvks1, Hi, let me just read up.16:14
kashyapclarkb: Speaking of attitudes, I'd argue (not the first one) that Virt maintainance on Ubuntu is a joke16:14
clarkbwhere do I find the list of supported versions of libvirt?16:15
mdboothclarkb: To be clear... what kashyap said16:15
kashyapclarkb: BTW, even for this bug -- https://bugs.launchpad.net/nova/+bug/167348316:15
openstackLaunchpad bug 1673483 in libvirt (Ubuntu) "libvirt: test_attach_volume_shelved_or_offload_server times out waiting for device detach (which fails)" [Medium,Triaged]16:15
clarkbhttps://libvirt.org/downloads.html#maintenance ?16:15
mriedemclarkb: https://wiki.openstack.org/wiki/LibvirtDistroSupportMatrix16:15
mriedemmdbooth: what do you mean we're running on unmaintained infra?16:16
mriedemwe're running on 16.04 LTS right?16:16
kashyapclarkb: I had to spend a good half a day talking to upstream libvirt, who identified what exact commits Ubuntu should backport16:16
mdboothmriedem: Sure. Lets file a bug there.16:16
clarkbkashyap: that bug doesn't seem to be one of the ones we are tracking though?16:16
kashyapSo they don't even bother to look at what's breaking, and simply apply the available bug fixes16:16
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mdboothmriedem: I just think it's unreasonable to expect upstream libvirt to spin their wheels on this.16:17
kashyapclarkb: No, it's not.  Was just giving an example, that upstream spends more time than is fair (in some cases) with downstream distrubtions16:17
clarkbkashyap: gotcha16:17
mriedemif libvirt devs have identified fixes that are needed in https://bugs.launchpad.net/nova/+bug/1673483 then we can reach out to jamespage and/or coreycb for help i'd think16:17
openstackLaunchpad bug 1673483 in libvirt (Ubuntu) "libvirt: test_attach_volume_shelved_or_offload_server times out waiting for device detach (which fails)" [Medium,Triaged]16:17
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gabor_antalSorry for the slightly off topic, I have a question: Some time before I read an article about the effect of the VM workloads which are on the same physical host, but I cannot find it. Can someone please help me with it?16:18
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clarkbkashyap: mdbooth is http://wiki.libvirt.org/page/Maintenance_Releases#1.3.3_series what would be considered the most current supported release?16:19
kashyapclarkb: I guess there's a more automated version -- was there one? mriedem?16:19
kashyap(Version of a wiki page I mean)16:19
mriedemi only looked at https://wiki.openstack.org/wiki/LibvirtDistroSupportMatrix16:20
kashyapmriedem: Disregard me, please.16:20
clarkbhttps://wiki.openstack.org/wiki/LibvirtDistroSupportMatrix shows what linux distros are supporting downstream of libvirt, I'm looking for what upstream libvirt considers supported16:20
mriedemi'm not sure i understand the question16:20
mdboothclarkb: Well latest stable is 2.216:20
clarkbmdbooth: ok so stable and maintenance are different /me keeps reading16:20
mdboothclarkb: I'm guessing that in practise backporting to 1.3 is best effort16:20
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vladikrvks1, hmm, I think this is a more of a question for the neutron team. We are only configuring vlan tags for SRIOV devices. otherwise, I think it's neutron it setup up the environment16:21
vks1vladikr: ok thanks16:22
kashyapclarkb: Yes, you're right.  (On stable / maint releases)16:23
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clarkbhttps://libvirt.org/downloads.html#numbering says since 2.0 you can't use the version numbers to know what is stable16:23
kashyapclarkb: Tomorrow morning I'll check with upstream if we can get to the bottom of the issue with whatever debugging info we have as of now16:24
clarkbso I'm trying to figure out how I can determine that16:24
clarkbthere are maintenance releases which I think are also stable but there may be newer stables that are not maintenance16:24
kashyapclarkb: More about those maintainance releases:16:26
kashyap"These maintenance branches should only contain bug fixes, and no new features, backported from the master branch, and are supported as long as at least one downstream distribution expresses interest in a given branch. These maintenance branches are considered during CVE analysis. In contrast to the primary releases which are made once a month, there is no formal schedule for the maintenance16:26
kashyapreleases, which are made whenever there is a need to make available key bugfixes to downstream consumers."16:27
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jamespagemriedem: looking16:28
clarkbright so two things I am trying to figure out here 1) if I was ubunut (I am not) how would I properly select the version of libvirt to include in the next version of a distro release? 2) if I'm openstack infra and want to attempt to reproduce a problem on a supported stable version of libvirt where do I find such a version of libvirt?16:28
clarkbkashyap: ^16:28
openstackgerritAnusha Unnam proposed openstack/nova master: Add description to policies in services.py  https://review.openstack.org/44978216:28
clarkbkashyap: and unfortunately I am not really get a clear answer for either thing16:28
clarkbis using the newest maintenace release the answer to both questions?16:29
kashyapclarkb: Can't tell you without really digging a bit closer.16:29
mdboothclarkb: Anyway, if we want to keep running an old release, we need downstream support for that. My experience of upstream libvirt is that when I've given them something concrete they've been extremely helpful. However, we can't expect them to go on a huge fishing trip for an old downstream release.16:30
kashyapYeah, precisely.16:30
clarkbmdbooth: yes, which is why I'm trying to find the anwer of what they will support and work with us on16:30
mdboothclarkb: Well, I hate to sound like a salesperson, but RH does maintain its virt stack...16:30
clarkband that answer doesn't seem to exist anywhere16:30
clarkbmdbooth: and if you can get openstack to actually work on centos/fedora that would be awesome, but the current jobs that exist don't work16:30
kashyapclarkb: About reproducing the problem, I'd say:16:30
clarkbmdbooth: the fedora 25 job is currently experimental on devstack-gate and devstack and tempest I think if people are interested16:31
kashyaplibvirt logs the precise version that was used16:31
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mdboothsdague ianw: I spotted a small bug in that libvirtd core dump patch. Care to take a look at my follow-on?16:33
mdboothI've tested the follow-on on Fedora 25, and barring package name typos I'm pretty confident it works on Ubuntu too16:34
mdboothclarkb: What's the scope of the problem running on CentOS, btw?16:35
clarkbhttp://logs.openstack.org/78/448078/1/check/gate-tempest-dsvm-neutron-full-fedora-25-nv/28c5592/console.html is an example job failing on fedora 2516:36
mdboothJust an abundance of Ubuntu assumptions?16:36
clarkbmdbooth: no, actually looks like centos7 job may currently be working. Typically the issues it has are more related to old software vs new software assumptions16:36
clarkbnot a debuntu vs not assumption16:36
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mdboothclarkb: Ok, that's probably not so bad then.16:38
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jamespagemriedem: cpaezler has put test binaries up for that problem - is that something we can test with to confirm fixes look OK?16:39
clarkbmdbooth: systemd has helped the two sides converge a bit more on managing the systems themselves (though still with completely separate ideas on unit contents and what should remain a sys v init script etc)16:40
openstackgerritRodolfo Alonso Hernandez proposed openstack/nova master: Read NIC features in libvirt  https://review.openstack.org/44441516:40
openstackgerritRodolfo Alonso Hernandez proposed openstack/nova master: Read Neutron port 'binding_profile' during boot  https://review.openstack.org/44925716:40
openstackgerritRodolfo Alonso Hernandez proposed openstack/nova master: Modify PciPassthroughFilter to accept lists  https://review.openstack.org/44494616:40
mdboothclarkb: yeah, that's pretty nice actually. See that patch I posted above to enable running libvirtd under electric fence.16:40
clarkbmdbooth: but a recent example of problem on centos7 was old version of apache having poor reload performance (not sure if due to unit or apache itself or what, but then apache package got updated on centos and problem went away)16:41
mdboothIt's good to be able to set environment variables via systemd, because it's common16:41
mriedemjamespage: i don't think we have a way to hook in test repos/packages for our CI jobs16:41
mriedemjamespage: and not sure we have a recreate outside of CI16:41
mriedemwould have to ask kashyap16:41
* kashyap reads a bit of scroll; in a meeting, I should probably just quit it now16:42
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clarkbmriedem: jamespage: it should be pretty simple to have devstack wget && dpkg -i at the very least, but maybe also add a ppa and then let normal install of libvirt pull from there16:42
mriedemmdbooth: lyarwood: there is a new lock added to the refactor here https://review.openstack.org/#/c/439520/16:42
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kashyapjamespage: If you're referring to the fixes from 1673483, just wrote this comment - https://bugs.launchpad.net/nova/+bug/1643911/comments/1916:43
openstackLaunchpad bug 1643911 in OpenStack Compute (nova) "libvirt randomly crashes on xenial nodes with "*** Error in `/usr/sbin/libvirtd': malloc(): memory corruption:"" [Medium,Confirmed]16:43
mriedemmdbooth: lyarwood: i'm really not happy about adding new things to an already large and not easy refactor change16:43
mriedemmdbooth: lyarwood: stuff like that should be separated16:43
mdboothmriedem: Actually this version of the refactor is pretty trivial: it's just code motion16:44
clarkbI think dmsimard was trying to track down filesystem problems on centos7 too. I should swing back around and find out what happened wit hthat16:44
mdboothThe initial version did more than this16:44
mdboothThe lock doesn't need to be there, sure16:44
mriedemmdbooth: slipping things into a refactor is not cool, period16:44
jamespagekashyap: yes I was referring to bug 167348316:45
openstackbug 1673483 in libvirt (Ubuntu) "libvirt: test_attach_volume_shelved_or_offload_server times out waiting for device detach (which fails)" [Medium,Triaged] https://launchpad.net/bugs/167348316:45
mriedemmdbooth: as i've already noted in the review, even with just code motion, there are issues,16:45
mriedemwhich makes stuff like this hard to review16:45
kashyapjamespage: They're both are not same -- we haven't definitively identified so16:45
clarkbkashyap: if we can get an answer to what an appropriate version of libvirt to repreoduce with is (maybe that 1.3.3 maintenance release) I would be happy to help get that in place on devstack test nodes16:45
mriedembecause it's hard to miss differences16:45
jamespagenot sure I said they where - just wanted to see if we could get some validation of the fixes for bug 167348316:46
openstackbug 1673483 in libvirt (Ubuntu) "libvirt: test_attach_volume_shelved_or_offload_server times out waiting for device detach (which fails)" [Medium,Triaged] https://launchpad.net/bugs/167348316:46
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kashyapjamespage: Because, the Nova stack traces for both bugs are different16:46
clarkbjamespage: fwiw we also have http://status.openstack.org/elastic-recheck/index.html#1643911 http://status.openstack.org/elastic-recheck/index.html#1638982 http://status.openstack.org/elastic-recheck/index.html#1646779 which are our top failures according to elastic-recheck16:46
mdboothmriedem: Re the **kwargs thing, I agree btw. However, it is consistent with attach, and that's the primary goal here.16:46
kashyapclarkb: The buggy version should surely be easily identified - let me look16:46
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clarkbjamespage: all three are marked new against libvirt in launchpad16:47
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mriedemmdbooth: being consistent with a bad idea is not reasonable justification to continue doing it16:47
mriedemimo16:47
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clarkbkashyap: I can find the version we are using (that is buggy) easily. I am trying to find the version that would be an acceptable reproduction platform in order to push back to upstream (and maybe we find its a non issue there and we bisect and try to find root cause)16:49
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kashyapclarkb: Acceptable reproduction platform would be: the same test case be run on (a) upstream current stable; or (b) Git master16:50
clarkbkashyap: yes what is upstream current stable?16:50
clarkbthat is the question :)16:50
kashyap1 se16:50
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kashyap1 sec16:50
kashyapv3.1.0 (2017-03-03)16:51
clarkbthe downloads page says you can't base "stable" on versions anymore and I can't find anything that says what is stable16:51
kashyapThat's the latest released, though16:51
clarkbright that isn't necessarily latest stable according to the docs16:51
clarkbsince versions are time based now16:51
kashyapclarkb: Yes, you can get a sense of WTF the release numbering means: http://libvirt.org/downloads.html#numbering16:51
kashyap"Prior to 2.0.0, the major/minor numbers were incremented fairly arbitrarily, and maintenance releases appended a fourth digit."16:52
clarkbkashyap: right and what that says is nothing in a version implies stability16:52
clarkbso where do I find the list of what is stable?16:52
clarkbmaybe I need more caffeine but nothing seems to actually say. Which amkes me sympathize with ubuntu16:52
kashyapclarkb: In context of upstream distributions (non-RHEL), I'd interpret "stable" as whatever is currently released.  I know that's a "loose" definition16:53
kashyapSince the "maintainance" release in context of libvirt are only for bug / CVE fixes.16:53
clarkboh hey 3.1.0 is what I already have on tumbleweed cool16:54
kashyapCool16:55
kashyapclarkb: It seems to happen during an instance termination (with Nova's "ImagesTestJSON"), and libvirtd dying subsequently.16:55
mriedemclarkb: sorry if you guys already talked about this, but in https://bugs.launchpad.net/nova/+bug/1673483 there are comments from ubuntu devs that backports have been made to some packages and are available for testing,16:56
openstackLaunchpad bug 1673483 in libvirt (Ubuntu) "libvirt: test_attach_volume_shelved_or_offload_server times out waiting for device detach (which fails)" [Medium,Triaged]16:56
openstackgerritDan Smith proposed openstack/nova master: Teach HostAPI about cells  https://review.openstack.org/44216216:56
openstackgerritDan Smith proposed openstack/nova master: Make scheduler target cells to get compute node instance info  https://review.openstack.org/43989116:56
openstackgerritDan Smith proposed openstack/nova master: Sort CellMappingList.get_all() for safety  https://review.openstack.org/44317416:56
openstackgerritDan Smith proposed openstack/nova master: Add get_by_instance_uuids() to InstanceMappingList  https://review.openstack.org/44329216:56
openstackgerritDan Smith proposed openstack/nova master: Clean up ClientRouter debt  https://review.openstack.org/44448716:56
openstackgerritDan Smith proposed openstack/nova master: Make server_groups determine deleted-ness from InstanceMappingList  https://review.openstack.org/44329316:56
openstackgerritDan Smith proposed openstack/nova master: Remove Mitaka-era service version check  https://review.openstack.org/44286116:56
openstackgerritDan Smith proposed openstack/nova master: Add workaround to disable group policy check upcall  https://review.openstack.org/44273616:56
mriedemclarkb: it's not clear to me if we have a way to hook testing packages in our CI?16:56
clarkbmriedem: yes but that bug isn't a problem16:56
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clarkbmriedem: we have 3 other libvirt bugs that are actually major issues16:56
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clarkbmriedem: and I mentioned it would be simple to modify devstack to use a ppa or just wget and dpkg -i16:57
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mriedemok, and we don't have fixes identified to backport for 1.3.3 in xenial LTS for testing yet16:57
jamespageclarkb: can I get context please on those three bugs16:58
jamespagerefs would be ok for now16:58
jamespageguessing one is bug 164391116:58
openstackbug 1643911 in OpenStack Compute (nova) "libvirt randomly crashes on xenial nodes with "*** Error in `/usr/sbin/libvirtd': malloc(): memory corruption:"" [Medium,Confirmed] https://launchpad.net/bugs/164391116:58
mriedemjamespage: https://bugs.launchpad.net/nova/+bug/1643911/16:58
clarkbjamespage: its the three elastic recheck links I gave you above16:58
clarkbjamespage: they have links to launchpad16:58
jamespageclarkb: ta16:58
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mriedemjamespage: some info in http://lists.openstack.org/pipermail/openstack-dev/2017-March/114648.html too16:59
mdboothdansmith: https://review.openstack.org/#/c/443292/ https://review.openstack.org/#/c/445139/ :)16:59
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* mdbooth wonders what we did differently17:00
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openstackgerritAnusha Unnam proposed openstack/nova master: Add description to policies in servers_migrations.py  https://review.openstack.org/45148717:01
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mdboothAbsolutely nothing! To be expected, I guess as it's pretty much boilerplate, but it's funny they're character identical. My test is a bit longer.17:02
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mriedemmdbooth: it's not the size of the patch, but the motion on the ocean17:03
mriedemthat matters that is17:03
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mdboothmriedem: I've just been back through that refactor, btw.17:06
mdboothI had also glossed over the poll thing, having previously seen it when johnthetubaguy spotted it :)17:06
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mriedemsfinucan: you probably have to take this over https://review.openstack.org/#/c/396289/17:37
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openstackgerritGergely Csatari proposed openstack/nova master: api-ref: adminPass is optional in Create Server  https://review.openstack.org/45149717:41
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mriedemdumb question: what config option defines if the scheduler is packing or spreading?18:01
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mriedemram_weight_multiplier ?18:02
mriedemdansmith: melwitt: didn't we just talk about something with the default options being weird?18:03
melwittthe subset_size right18:03
melwitthost_subset_size18:03
melwittif that's 1, it will pack18:03
mriedemor host_subset_size ?18:04
mriedemyeah18:04
mriedemok and 1 is the default18:04
melwittright18:04
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mriedemwere we really thinking about creating a new claims resource in placement for claims in the scheduler? or just re-use allocations?18:07
mriedemcreating a new claims resource and ticket system really sounds like the old style quota system to me, with the reservations table18:07
mriedemi would think we want to avoid redoing that18:07
mriedemhttps://review.openstack.org/#/c/437424/18:07
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mriedemjaypipes: ^ would you agree?18:07
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edleafemriedem: the sticking point is how to keep track of groups of allocations as a unit18:17
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edleafeI don't believe that that's necessary18:17
edleafeJust allocating when a host is selected, and de-allocating if the build fails18:18
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mriedemhmm yeah i didn't think about the grouping18:20
mriedemcouldn't you use the consumer_id field to group them?18:20
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mriedemessentially your 'claim ticket' is a uuid generated during the build process in conductor,18:21
mriedemand that's used for the claims18:21
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mriedemif you successfully build the instance on the compute host, then update the consumer_id with the instance.uuid in the allocatoins18:21
mriedem*allocatoins18:21
edleafeConsumer_id is one way, yeah18:21
mriedemi love fixing my misspell with the same misspell18:21
mriedembut we'd still need to keep track of the 'claim ticket' uuid somehow18:22
edleafeat least you're consistent :)18:22
mriedemmaybe req spec?18:22
mriedemi'd say build request, but that's deleted once we pick a cell18:22
mriedemonce we pick a cell, we create the instance in that cell, and that instance has a uuid, so why not just use the instance uuid?18:23
edleafeyeah, there has to be something that is persistent from scheduling through build18:23
edleafeBut I don't think a separate table and new resource URLs are the way to go18:23
mriedemso conductor asks scheduler for the list of hosts (or a single host), we get the cell that the host is in, and create the instance in that cell and delete the build request,18:24
mriedemso that's a chicken/egg,18:24
mriedemhowever,18:24
mriedemthe build request uuid is the instance uuid18:24
mriedemso we could pass the build request uuid to the scheduler to make the allocation 'claim'18:24
mriedemand that will be the same uuid we use to update the allocation in the RT in the compute after a successful build18:24
mriedemor to rollback and delete the allocation on NoValidHost if that happens18:25
edleafemriedem: wait - if we use the instance UUID to make the claim, what's to update if the build succeeds?18:25
edleafeThe resources are already allocated to the correct consumer, no?18:26
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mriedemgood point18:26
mriedemi think i'm mixing the update part from the spec18:26
mriedembut yeah that's even better if we just claim with the instance uuid via allocations in the scheduler18:27
edleafeThe only real change is handling rollback when a build fails.18:27
mriedemif all is good, we're done. if something fails and we need to pick another host, drop the allocations on the first RP and make the allocations on the 2nd RP18:27
edleafebut we can use the failed instance UUID to remove those allocations18:27
mriedemright18:28
mriedemthere has to be a catch18:28
edleafeI think we might have been stuck in the older, more complicated way of claiming via the RT18:29
edleafePlacement is *supposed* to make things simpler18:29
mriedemoutrageous18:30
edleafeYeah, I know, job security and all18:30
mriedembtw forum session proposed for claims in the scheduler http://forumtopics.openstack.org/cfp/details/63 - jaypipes bauzas johnthetubaguy dansmith18:30
edleafebut since I don't have that at the moment... :)18:30
dansmithcool18:30
jaypipesmriedem: danke18:31
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jaypipesmriedem: and no, I am not a fan of creating another resource/ticketing endpoint in the REST API.18:31
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jaypipesmriedem: sorry folks for my absence today. we have a plumber replacing the backflow prevention system and it's turned into a $2K disaster needing an electrical upgrade, a leak in the city water meter fixed, and a new water heater. :(18:32
edleafejaypipes: should be Friday18:33
jaypipesedleafe: yeah :(18:33
edleafeyou could really live up to your alt-nick18:34
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jaypipesedleafe: indeed. :)18:35
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mriedemjaypipes: i'm spending at least $1300 on a new primary sump pump and backup system next week, so i feel you. oh and a bunch of rain washed out some of our landscaping so i'm also going to have to pay for fixing that, plus probably installing a new drain tile system in part of the yard.18:37
mriedemyay!18:38
mriedemgd water18:38
jaypipesmriedem: :( boo. I feel ya.18:38
edleafeyou guys need to use containers18:38
edleafethey solve all your problems18:38
mriedemthat makes sense, i have a legacy enterprise backyard18:39
jaypipeslmao18:39
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openstackgerritSujitha proposed openstack/nova master: Change tags to default field in Instance object.  https://review.openstack.org/41529818:43
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openstackgerritdane-fichter proposed openstack/nova master: Use cursive for signature verification  https://review.openstack.org/35123219:01
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oomichiedleafe: thanks for your feedback on https://review.openstack.org/#/c/376200   I also feel tags guidelline is wrong. The tags guideline patch was huge and we just missed the point I think19:25
bauzasmriedem: thanks for leaving comments on the claims19:25
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bauzasmriedem: I'll review those soon19:26
mriedembauzas: np, cool19:26
mriedembauzas: i'd like to go into the forum with a good idea of the plan for pike19:26
bauzasagreed19:26
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mriedemi think the goal is get as much prep work done in pike, and then cutover early in queens and drop the caching scheduler19:26
edleafeoomichi: just proposed a fix: https://review.openstack.org/45153619:26
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bauzasmriedem: yup, hence why I provided this spec19:27
bauzasmriedem: I prefered to leave us discussing about the possibilites before I could implement that by Queens19:27
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bauzasmriedem: also, unrelated, I saw https://review.openstack.org/#/c/389216/19:27
bauzasmriedem: I do wonder if we should be discussing about reservations with the Blazar team19:28
bauzasfor the moment, Blazar is using aggregates for reserving computes, but I'd prefer they could discuss with us about using the placement API too19:28
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bauzasmriedem: FWIW, I was a Blazar core 3 years ago19:29
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mriedemisn't blazar dead?19:31
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bauzasmriedem: not really19:32
bauzasmriedem: it resurrected 6 months ago19:33
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bauzasmriedem: because of something having 3 letters :p19:33
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bauzasNouvelle Formule Verifiée19:33
jaypipesNeverending Feature Velocity.19:33
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jaypipesmriedem: Blazar is now in OPNFV.19:34
bauzasnot really, but yeah19:34
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bauzasOPNFV folks looked at some reservation possibilities, and they saw Blazar19:35
bauzashonestly, I'm good with the APIs, but I think we could be somehow use placement for their backends19:36
bauzasit's about saying "I want this compute in 3 hours for 2 mins"19:36
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bauzasjaypipes: do you agree with me possibly asking Blazar and those folks https://review.openstack.org/#/c/389216/ discussing about how to create reservations using placement as a backend for Blazar?19:38
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bauzasjaypipes: tbc, I don't think placement should think about leases or other time stuff19:38
bauzasjaypipes: I just think they could be creating allocations using specific RPs19:38
mriedemrub some placement on it19:39
mriedemproblem solved19:39
jaypipesbauzas: placement wouldn't even be involved until the claim was actually made, though...19:39
bauzasjaypipes: I know19:39
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bauzasthe discussion wouldn't be for something Pike and I doubt Queens19:39
bauzasbut having folks around discussing about reservations would also help folks like https://review.openstack.org/#/c/389216/19:40
bauzasbecause lots of operators use server groups for that19:40
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bauzasand we know how the server group API can be difficult to be used :)19:40
jaypipesbauzas: I need to read that spec. sorry, haven't had a chance yet :(19:41
bauzasjaypipes: tl,dr: it's about saying "I want to reserve this space into the servergroup"19:41
jaypipesbauzas: how does AWS/EC2 approach a use case like that? Can I tell EC2 "hey, can you please just reserve a rack of machines for me to be guaranteed access and use of some time in the future and don't charge me for anything. kthxbai"19:43
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bauzasjaypipes: well, AWS doesn't propose that, they rather propose an invoice API called 'spot-instances' and 'reserved computes' :p19:44
bauzasI'm betting that invoice API translates into something real about capacity management tho19:44
jaypipesbauzas: spot instances are totally different. those are instances that can be slotted into "available" resource nodes but terminated if a higher priority workload needs the space.19:45
bauzasjaypipes: correct19:46
bauzasjaypipes: but that's an invoice SLA19:46
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jaypipesbauzas: lemme finish the traits reviews and then I'll read that spec.19:46
bauzasjaypipes: heh, no rush at all19:46
bauzasI was just considering the interest of proposing a Forum session about that, that's it19:47
bauzasgiven the deadline (Apr 2nd)19:47
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bauzaseither way, it's a priority for my duty work :)19:48
bauzasI just take that as a personal interest in it19:48
bauzasit's *not* a priority, dang.19:48
* bauzas should avoid using negative negations when it's late19:48
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openstackgerritSujitha proposed openstack/nova master: Adding auto_disk_config field to InstancePayload  https://review.openstack.org/41918520:04
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openstackgerritSujitha proposed openstack/nova master: Reduce calls to load_tags() to 0  https://review.openstack.org/43514620:04
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jaypipesbauzas: -2 on that affinity group spec. see my review...20:12
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bauzasjaypipes: well, there are usecases where people want to define a lease, and start paying for that lease when it starts20:14
bauzashere, booting instances in advance is suboptimal for an OPEX PoV20:14
jaypipesbauzas: see my review. there's no difference between reserving and using a resource in Nova.20:14
dansmithwhy?20:14
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dansmithboot it now, rebuild it if you need a different image later20:15
bauzasjaypipes: in Nova, I totally agree20:15
bauzaslemme make it cleat20:15
bauzasclear20:15
bauzasI'm not talking at all about Nova providing that20:15
jaypipesbauzas: the inability of another tenant using that "slot" of resources makes the reservation exactly equal in cost to the use of something.20:15
bauzasand I'm -2 on that idea too if you prefer20:15
openstackgerritAnusha Unnam proposed openstack/nova master: Add description to policies in servers_migrations.py  https://review.openstack.org/45148720:16
bauzasjaypipes: I'm trying to explain that without a whiteboard, hold on20:16
bauzasjaypipes: there are situations where, as a tenant, I want to make sure I will have the capacity in 2 hours20:17
bauzasfor a certain duration20:17
bauzasunrelated to my quotas20:17
bauzasjaypipes: the fact that another tenant could use all the resources *before* or *after* my period doesn't really hurt me20:18
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mriedemjaypipes: thanks for looking at https://review.openstack.org/#/c/441692/ again20:19
bauzasjaypipes: what people want is some way to say "I'm gonna lock some resources not for now, but when my period will start"20:20
bauzasdansmith: rebuild doesn't guarantee you it will success by the time you do it20:20
dansmithbauzas: eh?20:20
mriedemneither does reserving and saying you're going to create a server in 2 hours20:20
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mriedemif ceph crashes20:21
bauzasdansmith: you're asking the scheduler for rebuild20:21
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mriedemmaybe this is the thing where people have asked in the past for a way to create a server in stopped state immediately20:21
mriedemas a workaround for a lack of reservations20:22
bauzasmriedem: agreed, all of that supposes a fully functional cloud20:22
bauzasmriedem: yup, shelved instances was the hack20:22
bauzasshelved *offloaded*20:22
mriedemrather than just create and then stop in separate calls20:22
bauzasbut by the time the instance unshelves, you have no guarantee that it will succeed20:22
dansmithbauzas: rebuild doesn't ask anything of the scheduler right?20:23
bauzasdansmith: lemme verify, my guts say the contrary20:23
dansmithonly for evacuate, IIRC20:23
mriedemthe scheduler has to take into account image properties in the new image20:24
mriedemfor rebuild20:24
mriedemi think we actually have a bug for that,20:24
mriedembecause we don't do that today20:24
dansmithbauzas: host=instance.hosdt20:25
mriedemthat's the bug20:25
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mriedemthe new image could have properties that don't fit the instance's existing host20:25
bauzasdansmith: yeah you're right, just verified20:25
dansmithmriedem: right, but rebuild is supposed to be in place20:26
bauzasdansmith: and I think it's a miss20:26
mriedemhttps://bugs.launchpad.net/nova/+bug/166766720:26
openstackLaunchpad bug 1667667 in OpenStack Compute (nova) "Rebuilding instance ignores image's property hw_disk_bus" [Low,Confirmed]20:26
bauzasmriedem: resize != rebuild20:26
mriedembauzas: i know20:26
bauzasmriedem: yeah I know you know, but it's not taking a new flavor, right?20:26
bauzasoh, the image props20:26
dansmithimage20:26
* bauzas facepalms20:26
dansmithright20:27
bauzasso yeah, we should call the scheduler too20:27
jaypipesmriedem: np20:27
bauzaseither way, I think we should call it, just because we need to verify we can still fit onto the host20:27
dansmithif we change hosts during a rebuild, we have more work to do right?20:27
dansmithwe have to handle volumes and ports and stuff20:27
bauzasyeah20:28
dansmithbecause rebuild assumes the original host is gone and is going to destroy on reboot20:28
dansmithpersonally,20:28
bauzasbut we should restrict to the same host20:28
dansmithI'd rather refuse to let you rebuild as another image if it's so incompatible that you can't rebuild in place20:28
bauzasjust verifying the scheduler once more20:28
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bauzasusing requested_destination as saying "I want to test this one only"20:28
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bauzasanyway, I think we're diverting20:29
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bauzasI'm no longer involved with all those reservation crazy ideas, so I defer other Blazar folks to provide good usecases for that20:29
bauzasbut I bet they are20:29
bauzasthere are*20:29
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bauzaswhat I want is not a crazy hack or a new API into Nova20:30
bauzaswhat I want is to see how the placement service could help their problems, that's it20:30
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bauzasand avoid seeing specs like https://review.openstack.org/#/c/389216/220:30
jaypipes_mriedem, bauzas: sorry, electrician turned off the power. :(20:31
bauzasjaypipes_: heh, it's a trap20:31
dansmithjaypipes_: don't be sorry, consider yourself lucky20:31
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bauzasheh, should I propose https://www.amazon.com/APC-Back-UPS-Protector-Charging-BE600M1/dp/B01FWAZEIU/ref=lp_764572_1_1?s=pc&ie=UTF8&qid=1490819957&sr=1-1 to jaypipes ?20:39
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openstackgerritAnusha Unnam proposed openstack/nova master: Add keypairs field to InstancePayload  https://review.openstack.org/41973020:49
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mriedemdansmith: evacuate assumes the original host is gone, same code path to rebuild in the compute i know,21:04
mriedembut i'm just pointing out the thing where you rebuild on a live host, and we don't validate the new image props still work on that host,21:04
mriedemi agree we should just fail in that case21:04
mriedem rather than try to rebuild on another host21:04
mriedemi think we actually have a duplicate for that bug, i swear bauzas was on another bug just like that21:05
bauzasmriedem: none I remember but okay :)21:06
bauzasI rather have a long list of TODOs :)21:06
mriedembauzas: maybe get some sleep, and get up early, drink some nice french press coffee, a crepe, and tackle that todo list :)21:07
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mriedemoh i found the other bug21:08
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bauzassleep is for weak people21:08
bauzasenough spilled time21:08
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mriedemsays the guy whose government mandates he only works a certain number of hours and has mandatory PTO21:10
mriedemhi-o!21:10
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bauzasmriedem: I live close to Switzerland21:13
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efriedTu veux-dire que les suisses travaillent comme toi?  Ou que tu travailles comme les suisses?  ;-)21:16
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openstackgerritEric Fried proposed openstack/nova master: Glance download: only fsync files  https://review.openstack.org/45109421:18
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efriedmdbooth ^^ Hopefully this (plus the fact that fsync isn't used anywhere else) goes toward assuaging your concerns about having to check everywhere.21:19
efriedthorst ^^ see whatcha think.21:19
thorstefried: looking21:19
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efriedRats, forgot to remove imports.  PS3 coming.21:22
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openstackgerritEric Fried proposed openstack/nova master: Glance download: only fsync files  https://review.openstack.org/45109421:23
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bauzasoh man, originally thought we had a Twitter account https://twitter.com/OpenStackNova21:26
bauzasI should write to Trump asking for changing the name for Northern Virginia21:26
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clarkbhey so I'm poking at using UCA libvirt (because its newer and possibly gives us a place to start bisecting libvirt issues) and running into http://logs.openstack.org/92/451492/4/check/gate-devstack-dsvm-py35-updown-ubuntu-xenial-nv/a537722/logs/screen-n-cpu.txt.gz#_2017-03-29_22_44_08_090 does that mean nova doesn't actually support libvirt 2.5.0? python-libvirt is 3.1.022:54
clarkbthe job failing there is the py35 job, but the python2 job will eventually fail with the same error looks like22:55
clarkboh you know what, I wonder if this is a wheel build issue22:55
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