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#openstack-nova - 2018-02-21
15:07:07 mriedem lyarwood moved it over
15:07:11 mriedem not sure all the tests made the journey
15:07:15 dansmith grep driver_detach -r nova/tests/unit/virt/
15:07:17 dansmith returns nothing
15:07:29 mriedem b/c it's a compute manager thing
15:07:32 mriedem it's not a virt driver thing
15:07:40 dansmith eh?
15:07:43 mriedem it's like everything else in nova.virt.block_device,
15:07:47 mriedem it's an extension of the compute manager
15:07:47 dansmith test_block_device is in there
15:08:22 dansmith # TODO(lyarwood): Test DriverVolumeBlockDevice.driver_detach in
15:08:23 mriedem i know, it's called that because that's what ndipanov called the driver-view bdm wrapper object things or whatever
15:08:28 mriedem bingo
15:08:34 dansmith I see no unmocked calls of it in compute/ either
15:09:52 mriedem you can be the first one
15:10:56 dansmith and I shall
15:12:39 openstackgerrit Surya Seetharaman proposed openstack/nova master: Purge comp_node and res_prvdr records during deletion of cells/hosts https://review.openstack.org/546660
15:14:17 mriedem jaypipes: dansmith: bauzas: i assume you all would be very much -1 on this also https://review.openstack.org/#/c/546482/
15:14:29 mriedem i'm actually pretty annoyed that's being proposed given it was already discussed in queens and we said no
15:14:37 mriedem http://lists.openstack.org/pipermail/openstack-dev/2017-August/121654.html
15:20:32 mriedem anyone ever used SimpleScreenRecord in ubuntu?
15:20:41 mriedem *SimpleScreenRecorder
15:27:32 openstackgerrit Dan Smith proposed openstack/nova master: Avoid exploding if guest refuses to detach a volume https://review.openstack.org/546423
15:28:02 dansmith mriedem: I haven't but sdague was using some broadcast studio thing to do some of that which might be useful
15:28:44 mriedem the audio on this demo i did is super choppy,
15:28:54 sean-k-mooney mriedem: the force flag for cold migrate? can you rememebr why the instance had to be migrated to a specic host in this case and not jsut any other host
15:28:56 mriedem so figured i need to play around with compression levels
15:29:16 mriedem sean-k-mooney: his spec says, 'because the scheduler kicked out the target host the admin requested'
15:29:23 sean-k-mooney dansmith: probaly obs (open broadcasting studio)
15:29:26 mriedem the scheduler is likely kicking it out for good reason, force is a bad idea
15:29:30 dansmith sean-k-mooney: yeah, sounds right
15:29:59 mriedem https://obsproject.com/download ?
15:30:20 sean-k-mooney mriedem: yep
15:30:36 openstackgerrit Dan Smith proposed openstack/nova master: Avoid exploding if guest refuses to detach a volume https://review.openstack.org/546423
15:30:54 sean-k-mooney mriedem: its inteaded for live stream to things like twitch or youtube but it support local recoding too
15:31:22 mriedem ok cool, if i can't figure out the audio issues on SSR i'll try this out
15:31:58 dansmith mriedem: you just need to narrate over your existing video, right?
15:32:28 dansmith you can just record yourself to an audio file while watching the video and then mux in the audio with something like avidemux2
15:32:47 kashyap Or you can add subtitles file, if you have the patience
15:33:10 openstackgerrit Mohammed Naser proposed openstack/nova master: Check if attachment_id exists before deleting it https://review.openstack.org/546398
15:33:19 sean-k-mooney dansmith: im guessing mriedem is also would prefer not to have to do any video editing. but ya you could use audacity to recored audio the mux them together as dan said
15:33:31 mnaser mriedem: ^ much cleaner fix, thats for your suggestions
15:33:34 sean-k-mooney * as you said
15:33:43 dansmith sean-k-mooney: I think he already has a video that demos what he wants, is my point
15:33:50 mnaser oh i saw some comments you left after, let me address them
15:34:12 mriedem i'd prefer to not have to do the audio separately,
15:34:21 mriedem the actual demo itself isn't hard to run through
15:34:54 mriedem anyway, this will be my day now..
15:35:43 sean-k-mooney mnaser: so ya back to the force cold migration i agree if the schduler elminated the node it should not be ignored or bad things can happen. the use case was for maintenance however so i dont know why you could not disable the host you wanted to do mantenance on then just migrate there instance to any other nodes
15:35:53 mnaser mriedem: ^ :)
15:36:00 mnaser that's probably for ya
15:39:05 sean-k-mooney mnaser: hehe ya sorry
15:39:48 sean-k-mooney i asked the question in the spec. but i dont think there is a good answer/justificaiton for why you should bypass the schduler.
15:44:46 mriedem dansmith: one nit on that patch, let's throw the volume_id into the warning message, then i'm +2
15:46:06 openstackgerrit Mohammed Naser proposed openstack/nova master: Ensure attachment_id always exists for block device mapping https://review.openstack.org/546398
15:47:37 openstackgerrit Dan Smith proposed openstack/nova master: Avoid exploding if guest refuses to detach a volume https://review.openstack.org/546423
15:47:37 mnaser there.. that should be it .. for now :>
15:47:40 dansmith mriedem: ^
15:51:28 cfriesen mriedem: given your comment about the force flag for evacuate and live migrate...do we want to deprecate that? :) Or is that just a case of it being stuck with it since we'll have to keep the code around until/unless we bump the minimum API version?
15:56:02 mriedem mnaser: ok +2 on that, with some musing comments in there for order of fixes
15:56:17 mriedem cfriesen: the latter
16:00:12 mnaser mriedem: cool, thanks, once this merges ill reorder to get this fix in stable/pike just before yours so functional tests pass for all patches :>
16:03:17 mriedem mnaser: sounds good, and that also takes care of my 'window of failure' worry in there
16:03:48 mnaser mriedem: oh you're right
16:05:47 mriedem so yeah we likely want your fix here before my fix in the series of backports
16:05:54 openstackgerrit Bence Romsics proposed openstack/osc-placement master: WIP skip (v1.13) https://review.openstack.org/546674
16:05:55 openstackgerrit Bence Romsics proposed openstack/osc-placement master: Add nested resource providers (v1.14) https://review.openstack.org/546675
16:21:41 openstackgerrit Surya Seetharaman proposed openstack/nova-specs master: Support disabling a cell https://review.openstack.org/546684
16:36:59 efried_omalley Eric Fried proposed openstack-infra/project-config master: Regex gerritbot notifications: #openstack-nova https://review.openstack.org/546689
16:37:15 mriedem ildikov: think i resolved my audio problems
16:37:34 ildikov mriedem: \o/ :)
16:37:48 ildikov mriedem: I saw your mail, but couldn't get there yet to answer
16:38:18 ildikov I wasn't sure whether that's the mic or the tool that you're using that messed the audio up
16:38:27 mriedem it's the tool,
16:38:35 mriedem i think i used the wrong compression settings
16:38:55 ildikov it really would've been perfect if that's ok... :/
16:39:04 mriedem oh i know
16:39:18 ildikov ;)
16:39:37 ildikov compression settings make sense
16:39:38 mriedem i also realized it chopped of the left side of the screen where some of the command output is, which is not real useful in a demo
16:39:42 mriedem *off
16:40:45 ildikov oh; ok, I admit, I listened to the whole thing, but didn't always watch...
16:42:59 openstackgerrit Eric Berglund proposed openstack/nova master: Add check for redundant import aliases https://review.openstack.org/543995
16:52:23 jaypipes doude: finally reviewed that patch. +2 from me, but question for you on there.
16:52:42 cfriesen has anyone ever seen a problem detaching a volume when shutting down an instance that results in a virDomainDetachDeviceFlags() failure with 'libvirtError: invalid argument: no target device vdd\n'
16:53:02 doude ok jaypipes, thanks for your review. I'll try to answer your question
17:02:01 jaypipes mriedem, dansmith, bauzas, melwitt: are we ready to pull the trigger on efried_omalley's https://review.openstack.org/#/c/540111/ update provider tree spec?
17:03:01 mriedem i'm +1 on it, wouldn't mind more feedback
17:06:42 openstackgerrit Marcin Juszkiewicz proposed openstack/nova master: Allow to configure amount of PCIe ports https://review.openstack.org/545034
17:07:11 hrw jaypipes: thanks for review. all changes done
17:11:43 jaypipes hrw: reviewed again.
17:12:20 hrw ops ;D
17:12:26 jaypipes :)
17:13:05 hrw side effect of working on patches during evening instead of morning
17:13:12 jaypipes heh, understood.
17:13:41 hrw jaypipes: all IntOpt options defaults to 0 - that's why I went that way
17:14:24 hrw jaypipes: as 'to 0 not to None'
17:16:46 jaypipes hrw: but if someone wanted to prevent *any* PCIe ports from being created, how would they indicate to actually create *0* ports?
17:17:19 hrw jaypipes: if you want q35 you need to have pcie ports. if you do not set value then you will get them from libvirt
17:18:04 hrw jaypipes: when you boot pcie machine (x86/q35, aarch64/virt) nowadays Nova adds video/disk/network/balloon/usb and gives it to libvirt. libvirt adds pcie ports and spawns guest.

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