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#openstack-nova - 2018-04-03
09:48:11 stephenfin kashyap: Once that is merged though, there are a couple of things that still need changing. I'll comment now
09:49:55 kashyap stephenfin: Ah, thank you. I'll subscribe to that 'oslo_config' patch series
09:51:42 kashyap stephenfin: Hmm, hope that'd be stable branches backports compatible; because I'll be backporting that change to two branches
09:52:01 kashyap (As it's addressing an important guest perf regression)
09:52:08 stephenfin kashyap: You're just going to lose some of the docs formatting there, I'm afraid
09:52:18 stephenfin It'll still render but poorly
09:52:40 kashyap stephenfin: For backports, you mean?
09:52:59 stephenfin Indeed
09:53:18 kashyap Maybe I can adjust it according to the equivalent syntax for backports? (Assuming there is such.)
09:54:01 stephenfin kashyap: Not sure there's any way to do it but I guess it can be experimented with, aye
09:54:02 stephenfin o/
10:18:59 johnthetubaguy kashyap: why did we decide to exclude host-model in that patch again? I get excluding host-passthrough.
10:21:55 sean-k-mooney[m] o/
10:29:25 sean-k-mooney[m] hi wierd question but would the nova team object to me runnning a personal ci against nova that is triggred by a specific comment. i nolonger have direct control over what is run in the intel nfv ci and there are a few things i would like to test perodically that cannot currently be tested upstream. similarly there are a few things that i think can be tested upstream that i want prototype with zuul v3 in my
10:29:25 sean-k-mooney[m] "spare time" before proposing them upstream.
10:30:05 sean-k-mooney[m] melwitt: stephenfin dansmith jaypipes ^
10:30:22 stephenfin sean-k-mooney[m]: If it's not voting, I don't see why not
10:31:31 sean-k-mooney[m] stephenfin: ya it would not set the verifed flag to +/-1 just comment back sucess/failure when triggered by a comment
10:32:22 sean-k-mooney[m] i was also going to restict it to people with intel emails/the nova core team.
10:33:47 sean-k-mooney[m] i am setting up some ci infra for internal use and wantted to tag this on the side to do things like test livemigration with cpu pinning/hugepgaes/vhost-user since that is currently disabled in the intel nfv-ci
10:34:16 sean-k-mooney[m] im going to follow up with them to trun that back on but you know its nice to be able to check some of those edgecases in an automated way
10:34:53 stephenfin Indeed it is. That sounds like a sane thing to do from my perspective anyway
10:38:49 sean-k-mooney[m] this is currently an inovation time/personal time thing so i might not have that much time to work on it but i set up nodepool over the weekend and should have zuul runing by the end of the week. with zuul v3 its not that hard to trigger build on both internal stuff and external. i was thinking of trying to add a patch work trigger to zuul too at somepoint but ya just taught i would ask.
10:53:48 openstackgerrit Merged openstack/nova master: [Trivial]Add missing blank space in conf description https://review.openstack.org/558414
10:58:37 openstackgerrit Merged openstack/nova master: Fix unit tests to work with new oslo.config https://review.openstack.org/558084
11:11:08 openstackgerrit Surya Seetharaman proposed openstack/nova master: Add --enable and --disable options to nova-manage update_cell https://review.openstack.org/555416
11:11:08 openstackgerrit Surya Seetharaman proposed openstack/nova master: Update the cells FAQs and scheduler maintenance docs. https://review.openstack.org/556459
11:54:25 openstackgerrit Michael Still proposed openstack/nova master: Move create_tap_dev to the new utility method. https://review.openstack.org/557835
11:54:26 openstackgerrit Michael Still proposed openstack/nova master: Move set_vf_interface_vlan to the new utility module. https://review.openstack.org/558487
12:03:03 jaypipes sean-k-mooney[m]: I have no issues with that at all. I think it would be great.
12:12:44 bauzas sahid: soft -1 for https://review.openstack.org/#/c/511188/ for asking you to be clear about all the possible values for the new option that you're going to add
12:13:02 bauzas sahid: once you're done, ping me and jaypipes and then I'll review it quickly
12:20:50 alex_xu_ jaypipes: dansmith fried_bunny edleafe bauzas, good morning, Sundar has a summary for the fpga based on our previous discussion at https://etherpad.openstack.org/p/Cyborg-Nova-Multifunction, he is looking for some review and feedback
12:21:11 johnthetubaguy stephenfin: would be great if you could double check my thinking on this runway patch: https://review.openstack.org/#/c/552242
12:22:37 openstackgerrit Chris Dent proposed openstack/nova master: [placement] Filter allocation candidates by forbidden traits in db https://review.openstack.org/556660
12:22:37 openstackgerrit Chris Dent proposed openstack/nova master: [placement] Parse forbidden traits in query strings https://review.openstack.org/556819
12:22:38 openstackgerrit Chris Dent proposed openstack/nova master: [placement] Support forbidden traits in API https://review.openstack.org/556820
12:24:43 openstackgerrit sean mooney proposed openstack/nova master: add mtu to libvirt xml for ethernet and bridge types https://review.openstack.org/553072
12:25:52 sean-k-mooney[m] sahid: stephenfin added teh extra unit tests to ^ and rebased it against master. otherwise its the same as the previous version.
12:34:20 fried_bunny alex_xu_: Roger that; it's been on my list.
12:34:41 alex_xu_ fried_bunny: thanks
12:35:35 efried The pagan rites of spring are over.
12:44:38 kashyap johnthetubaguy: Hi there; was AFK. Will answer on the review, but to answer your question here:
12:45:10 kashyap johnthetubaguy: For 'host-model' + PCID doesn't make sense in this case — If QEMU already supports PCID, it would be enabled by 'host-model'. And if it is not supported, adding it doesn't make it magically appear :-)
12:45:16 kashyap johnthetubaguy: Does the above answer you?
12:49:23 kashyap johnthetubaguy: We logged a warning, instead of an _exception_ due to the prior discussion on the review: https://review.openstack.org/#/c/534384/20/nova/virt/libvirt/driver.py
12:56:08 bhagyashris johnthetubaguy, alex_xu_, melwitt: Hi, addressed review comments could you please review the same https://review.openstack.org/#/c/511825/ thank you :)
12:58:37 kashyap stephenfin: Hey there, so ... some OCD discussion on captialization:
12:58:59 kashyap stephenfin: On your comment here: https://review.openstack.org/#/c/534384/22/nova/conf/libvirt.py@568
12:59:29 alex_xu_ bhagyashris: johnthetubaguy melwitt, good to have agreement on this first http://lists.openstack.org/pipermail/openstack-dev/2018-March/128914.html
12:59:46 johnthetubaguy kashyap: I got the impression host model had PCID missing put the CPU might still support it?
12:59:49 kashyap stephenfin: My rule to capitalize the sentence following a colon: if there is just _one_ sentence after colon, use lower case; otherwise upper case.
13:00:19 johnthetubaguy kashyap: maybe we should add a TODO to raise once its not a backport?
13:00:21 kashyap stephenfin: Hope that make sense?
13:00:24 kashyap johnthetubaguy: Hi
13:01:00 stephenfin kashyap: Fine by me. That should have been preceded by 'nit'. Does seem it's purely stylistic too (which I didn't know) https://www.grammarly.com/blog/capitalization-after-colons/
13:01:11 kashyap johnthetubaguy: No-no: With `host-model`, *if* you have the updated microcode, guest/host kernel, QEMU and libvirt, then libvirt will do the Right Thing.
13:01:34 kashyap stephenfin: No worries, I enjoy the English nit-picks. :-)
13:02:35 johnthetubaguy kashyap: ah, good. I got the wrong end of the stick about that bit then.
13:02:36 kashyap johnthetubaguy: After the backports are done -- we will remove the restriction on 'host-model'
13:02:56 kashyap johnthetubaguy: No worries; can you please add a follow-up comment on the review, so that we're on the same line, same word? :-)
13:02:59 johnthetubaguy kashyap: so I think you need to set the extra_flags to None when you log the warning?
13:03:08 kashyap johnthetubaguy: That's the other bit
13:03:12 kashyap johnthetubaguy: I think you're right there
13:03:31 johnthetubaguy kashyap: no worries, I think we are in sync then, I added a follow up comment
13:03:57 johnthetubaguy kashyap: sorry this is dragging on, tricky to get the right balance and make it backportable, it turns out
13:04:28 kashyap johnthetubaguy: I first actually raised an exception, and then Matt and Dan came along saying: maybe a warning is less "heavy-handed"
13:04:31 stephenfin johnthetubaguy: Ack on https://review.openstack.org/#/c/552242/
13:04:43 stephenfin sean-k-mooney[m]: Looking
13:04:44 johnthetubaguy kashyap: yeah, for the backport its a good idea
13:04:47 kashyap johnthetubaguy: Yeah, would like to get this rid of my plate; getting a bit too much of it. But yes, it's a tricky change with right balance
13:05:03 kashyap s/with right balance/that needs the right balance/
13:05:20 johnthetubaguy stephenfin: thanks, wanted to make sure I didn't just misread it an wait for mikal to wake up after I sign off for the day.
13:06:50 kashyap johnthetubaguy: On your other question about 'host-passthrough': Yes, it is invalid. As libvirt wouldn't mangle anything, and if the CPU has it, libvirt will pass it right through to the guest.
13:06:51 jaypipes efried: I'm happy to do a hangout about the consumer generation today if you need to.
13:07:08 efried jaypipes: Is there email I need to catch up on first?
13:07:09 kashyap johnthetubaguy: To summarize, I'll quickly add: the 'extra_flags = None', before the warning.
13:07:37 jaypipes efried: no, just saying I left things yesterday afternoon in a bit of a "too tired to talk about this right now" state.
13:08:09 johnthetubaguy kashyap: yeah, +1
13:08:21 efried jaypipes: Okay. The open issue is whether we should change the responses to PUT /alloc/{c} and POST /alloc from 204 No Content to 200 with payload.
13:08:26 kashyap johnthetubaguy: Thanks for the eagle eyes.
13:10:41 jaypipes efried: ok, I will answer that on the spec if that's what you prefer.
13:11:02 efried jaypipes: wfm, unless it needs back-and-forth.
13:11:12 efried cdent: Wouldn't mind an opinion from you as well.
13:11:35 efried cdent: oh, looks like you rendered one. Reading...
13:12:01 kashyap johnthetubaguy: Hmm, isn't it a bit "dirty" that we're quietly setting it to 'extra_flags' to None? Or is the onus is on the Operator to read the docs to see exactly what is valid?
13:12:33 johnthetubaguy kashyap: its not great, but I think we just change this to a raise in the follow on patch that isn't backported
13:13:25 johnthetubaguy kashyap: so it comes from our usual backport rules that mean no new config options or features, etc
13:17:20 kashyap johnthetubaguy: Raise an "error" you mean?
13:17:26 kashyap johnthetubaguy: (In a follow-up.)
13:17:43 kashyap Okay, noted.
13:30:13 kashyap stephenfin: Hmm, what is the alternative then, just don't indent it?: https://review.openstack.org/#/c/534384/22/nova/conf/libvirt.py@539
13:30:31 stephenfin kashyap: Correct
13:31:07 stephenfin You indent subsequent lines of the same bullet point, but the bullet points themselves should not be indented
13:32:59 kashyap stephenfin: Okido; like it is for the disk cache modes.
13:33:03 kashyap Thanks
13:36:08 kashyap stephenfin: Just a quick note: I'm using the back ticks for the lower-cased ``pcid``, and for the rest, with upper-cased 'PCID' (leaving it as is)
13:36:15 kashyap That fine with you?
13:36:25 stephenfin kashyap: a-ok by me, yup :)
13:36:59 kashyap :-) One upper-case ``PCID`` (because that is talking about valid config value)

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