Friday, 2016-09-16

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openstackgerritiain MacDonnell proposed openstack/cinder: Fix ZFSSA volume driver to allow connection of a volume to more than one connector (initiator group) at the same time, which is required for live-migration to work.  https://review.openstack.org/37119901:14
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openstackgerritiain MacDonnell proposed openstack/cinder: ZFSSA volume driver multi-connect  https://review.openstack.org/37119901:24
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openstackgerritKarthik Prabhu Vinod proposed openstack/cinder: [WIP] Improvement in handling of rpc & object versions of services  https://review.openstack.org/37125103:28
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openstackgerritxing-yang proposed openstack/cinder: WIP: Add API Reference for groups  https://review.openstack.org/37052603:41
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openstackgerritiain MacDonnell proposed openstack/cinder: ZFSSA volume driver multi-connect  https://review.openstack.org/37119903:58
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openstackgerritChangBo Guo(gcb) proposed openstack/cinder: Fix wrong usage of config opiton gpfs_images_share_mode  https://review.openstack.org/33486806:11
openstackgerritChangBo Guo(gcb) proposed openstack/cinder: test: fix wrong usage of config option in test_window  https://review.openstack.org/33487706:12
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openstackgerritOpenStack Proposal Bot proposed openstack/cinder: Imported Translations from Zanata  https://review.openstack.org/37129307:02
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dulekSoooo, master is now open for Ocata? :)07:24
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openstackgerritMikhail Feoktistov proposed openstack/cinder: Resize ploop disk from glance  https://review.openstack.org/36216709:39
openstackgerritMikhail Feoktistov proposed openstack/cinder: Initialize LVM volumes via ploop  https://review.openstack.org/35798909:39
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openstackgerritHelen Walsh proposed openstack/cinder: VMAX driver - No support for creating CG from CG source  https://review.openstack.org/36573910:04
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openstackgerritMichal Dulko proposed openstack/cinder: Remove support for 2.x scheduler RPC API  https://review.openstack.org/37144711:17
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openstackgerritxing-yang proposed openstack/cinder: WIP: Add API Reference for groups  https://review.openstack.org/37052612:12
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smcginnisdulek: Yep, technically master is now Ocata.12:26
smcginnisdulek: And we need to remember to "backport" to stable/newton now for anything RC2 worthy.12:27
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alkhodosHi everyone. I was wondering is there a way to see provider_location of a volume somehow? Other than the logs obviously.13:33
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smcginnisalkhodos: That's internal data so we don't expose that in any output.13:38
smcginnisalkhodos: You can query the database directly.13:39
alkhodossmcginnis: got it, thanks13:41
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alkhodossmcginnis: does openstack-cinder use same db as devstack (mysql) or is it configurable?13:43
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openstackgerritHelen Walsh proposed openstack/cinder: VMAX driver - Ensure VMAX volume matches cinder db volume  https://review.openstack.org/37154513:43
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openstackgerritMerged openstack/cinder: Imported Translations from Zanata  https://review.openstack.org/37129313:45
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openstackgerritMerged openstack/cinder: Update reno for stable/newton  https://review.openstack.org/37121613:47
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smcginnisalkhodos: By default all services use the same database server.13:52
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openstackgerritHelen Walsh proposed openstack/cinder: VMAX driver - Useful name convention for CG names  https://review.openstack.org/36566313:58
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alkhodossmcginnis: thx14:02
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johnthetubaguyildikov: jgriffith: are we meeting on monday to prep for the summit?14:23
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johnthetubaguyjgriffith: did that spec get written about the API changes, not had chance to dig into that yet14:23
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openstackgerritxing-yang proposed openstack/cinder: WIP: Add API Reference for groups  https://review.openstack.org/37052614:26
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ildikovjohnthetubaguy: jgriffith: I would like to have a meeting if folks are around14:28
johnthetubaguyyeah, I am hoping we can get some OSIC help with pushing things forward, mostly from the perspective of making live-migrate more reliable.14:32
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scottdaildikov: Sorry I didn't respond to your email. I think carrying on with Monday's time slot is probably best.14:37
ildikovscottda: no worries, you're not the only one :)14:41
ildikovscottda: I thought too as I would think the issue why people are less available is the phase of the release cycle rather than the slot itself, but I'm mistaken14:42
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scottdaildikov: nope, I think that's it.14:45
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smcginnisAny interest in doing something like this for Cinder? https://etherpad.openstack.org/p/nova-newton-retrospective15:03
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scottdasmcginnis: Absolutely15:09
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thrawn01smcginnis: in reference to https://review.openstack.org/#/c/371169/15:13
thrawn01smcginnis: do you have a recommendation on how to proceed?15:13
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thrawn01This conversation appeared to indicate generating a support matrix from the interface was the way to go.15:14
smcginnisthrawn01: Not really at this point, unfortunately.15:14
thrawn01http://eavesdrop.openstack.org/meetings/cinder/2016/cinder.2016-06-29-16.00.log.html15:14
thrawn01search for "interface"15:14
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smcginnisthrawn01: Yeah, it is I think. But not the ABC classes.15:14
smcginnisthrawn01: We should be able to do something like isinstance(interfaces.volume_snapshot_driver)15:15
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smcginnisthrawn01: We would probably need more interface classes defined.15:15
smcginnisWhich I think we should do so they can serve their double purpose as driver documentation.15:16
smcginnisI see what's in cinder.interfaces as a start.15:16
thrawn01What is the impetus for abandoning the ABC classes?15:17
thrawn01I was under the impression that is a new addition15:17
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thrawn01it doesn't appear that the other interfaces are actually used in any driver. for instance, I don't see any driver subclassing VolumeDriverCore15:21
thrawn01all the drivers are using the ABCMeta Classes15:22
smcginnisthrawn01: Right. That was one of the things with those interfaces was to keep them as separately defined.15:22
smcginnisthrawn01: We added the ABC classes in Liberty I think. Maybe kilo.15:22
smcginnisthrawn01: They didn't work out the way I think most people thought they would.15:22
smcginnisthrawn01: So almost right from the start we started talking about removing them.15:23
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smcginnisscottda: https://etherpad.openstack.org/p/cinder-newton-retrospective15:23
smcginnisI'll add that to the meeting agenda next week.15:23
smcginnisEven if we don't have a design summit session on it, it might be good to have that as somewhere where everyone can share thoughts.15:23
thrawn01until there is wide spread adoption of the new interface thingy, my patch is the correct way to implement the support matrix yes?15:25
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smcginnisthrawn01: No, I don't think so.15:25
smcginnisthrawn01: That will just make their removal that much more difficult.15:25
smcginnisthrawn01: Why not stick with the interfaces?15:26
smcginnisthrawn01: Since that's the way we're trying to go, that's what should be used for generating something like this.15:26
thrawn01it is possible to generate an accurate support matrix using the new interfaces? I noticed none of the drivers are using them. Or would my task also involve converting all the drivers to us the new interfaces15:27
smcginnisthrawn01: That's the thing. None of the drivers need to use them.15:27
smcginnisthrawn01: They just implement support for what they want to support.15:27
smcginnisthrawn01: And don't accidentally inherit anything they don't want to support.15:27
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smcginnisthrawn01: But you can do something like:15:28
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smcginnisthrawn01: if isinstance(driver, cinder.interface.volume_consistencygroup_driver): supports_cg = True15:28
thrawn01this is news to me, will 'issubclass(driver.cls, volume_driver.VolumeDriverCore)' return true if the class implements all the methods but isn't an actual subclass?15:28
smcginnisthrawn01: Yep15:28
thrawn01mind blown15:28
smcginnisthrawn01: ;)15:28
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smcginnisthrawn01: Google "goose typing". It's like duck typing, but goosier.15:29
smcginnis:)15:29
smcginnisthrawn01: Here's the secret sauce: https://github.com/openstack/cinder/blob/master/cinder/interface/base.py#L7715:30
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thrawn01smcginnis: ah, this makes more sense now15:31
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smcginnisthrawn01: Good. It has the drawback that it's not obvious and not commonly known. But it is really slick.15:32
thrawn01looks like we are still missing some interfaces that ABC has already, is it ok, If I include new interface types in my patch?15:32
smcginnisthrawn01: Yeah, that would be awesome.15:33
smcginnisthrawn01: Here's a test that we were able to add because of that to make sure all drivers implement at least the core required interfaces: https://github.com/openstack/cinder/blob/master/cinder/tests/compliance/test_volume_drivers.py#L4015:33
thrawn01so a 1 to 1 ABC class to new interface class is ok?15:33
thrawn01smcginnis: yeah, I noticed15:34
smcginnisthrawn01: And it enables us to generate good-er documentation for new driver developers: http://docs.openstack.org/developer/cinder/devref/drivers.html#driver-development-documentations15:34
thrawn01smcginnis: wasn't sure how it worked, until you explained it15:34
smcginnisthrawn01: I'm guessing 1:1 probably is right.15:34
smcginnisthrawn01: Cool, glad I didn't just cause more confusion for once. ;)15:35
thrawn01I added a new class var to the ABC interfaces called 'SHORT_DESCRIPTION'15:35
thrawn01is this acceptable in the new interfaces, or do you have some direction for this?15:36
smcginnisthrawn01: Yeah, I think that would be OK. Have each interface class have a SHORT_DESCRIPTION of what it is for. Seems OK.15:36
openstackgerritxing-yang proposed openstack/cinder: WIP: Add API Reference for groups  https://review.openstack.org/37052615:37
bswartzsmcginnis: don't forget about swan typing and cuckoo typing15:39
bswartzlol15:39
smcginnisbswartz: Can't tell if you're serious or not. :D15:39
smcginnisbswartz: Cuz the sad thing is that's believable enough not to know for sure. ;)15:40
bswartzindeed15:40
bswartzmy googling turned up this and I thought it was funny: https://pbs.twimg.com/media/CCyHrGWWgAEg02G.jpg15:41
smcginnisI think we have plenty of cuckoo typing.15:41
smcginnisLOL15:41
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ildikovscottda: Cool, I will send out a reminder mail to the ML for next Monday.15:43
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thrawn01smcginnis: I'm not sure what to put for the comments on some of these interface methods. IE: I'm not gonna do a nice a job as you did with the other interfaces. I'm actually not even sure what the "LocalVD" interface is supposed to allow a driver todo15:53
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openstackgerritxing-yang proposed openstack/cinder: WIP: Add API Reference for groups  https://review.openstack.org/37052615:54
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SwansonA couple review requests: https://review.openstack.org/#/c/361453/16:06
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Swansonhttps://review.openstack.org/#/c/370275/116:07
smcginnisthrawn01: That's OK. You can probably just throw in same basic comments for now, then someone that's inclined to work on documentation could spend some time elaborating later.16:07
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jgriffithsmcginnis: patrickeast qq... do you guys do a rebase against master on the patches you test in your CI?16:22
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jgriffithsmcginnis: patrickeast or do you just use them *as is* and let em fail if they're not up to date?16:23
smcginnisjgriffith: No, I don't rebase.16:23
patrickeastI think mine are as is16:24
smcginnisjgriffith: And I've been bit because of it a few times.16:24
smcginnislast week in fact.16:24
smcginnisjgriffith: Now I understand why upstream does the rebase.16:24
jgriffithyeah... I usually don't like the idea; but I'm going through my CI failures and notice that a bunch seem to be *waiting* for a change16:24
patrickeastiirc it only does a rebate on gate and not check queue16:25
jgriffithI guess it doesn't/shouldn't happen often16:25
patrickeastRebase**16:25
jgriffithpatrickeast: I think that may be correct16:25
jgriffithguess I should make sure my theory is even correct here first :)16:26
jgriffiththe other thing that's annoying is all the DAMN FC privsep error messages in my logs :(16:26
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smcginnishemnafk: jgriffith he's singing your tune.16:27
jgriffithsmcginnis: "singing his tune"... haha  I've been cursing his name!!! :)16:27
smcginnisjgriffith: Hah! He's been complaining about that since it merged I think. :)16:28
jgriffithsmcginnis: yeah he has :)16:28
smcginnisjgriffith: Definitely more fine tuning needed in privsep yet.16:28
jgriffithsmcginnis: but I still hold him ultimately respsonsible, just because; well why not :)16:28
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smcginnisjgriffith: Sounds like a good reason to me! :D16:29
jgriffith:)16:29
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jgriffith@#$# ^$#@ !@#& &$#@@! ing @#$#@ !!!!!!!!!!!!!!!!!!!!!!!!16:31
jgriffithjgriffith@bdr75:~$ nova image-list16:31
jgriffithWARNING: Command image-list is deprecated and will be removed after Nova 15.0.0 is released. Use python-glanceclient or openstackclient instead.16:31
jgriffithERROR (VersionNotFoundForAPIMethod): API version 'API Version Major: 2, Minor: 37' is not supported on 'list' method.16:31
jgriffithat least 3x a week my muscle memory types "nova image-list" and I want to cry!!!16:31
scottdaJust alias it16:32
smcginnisjgriffith: I've been trying to get in the habit of using osc.16:32
jgriffithor I confuse what version of OpenStack I"m on16:32
smcginnisIt hasn't set yet though.16:32
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jgriffithyeah... I actually like OSC better for the most part anyway16:33
jgriffithI just find it highly annoying though that the deprecation includes making it not work without special settings16:33
smcginnisTru16:34
smcginnis!!16:34
openstacksmcginnis: Error: "!" is not a valid command.16:34
smcginnisDang, still don't have my bot macro. :)16:34
jgriffithespecially given the complaints against cinder and deprecation regarding driver removal... seems a bit hypocritical16:34
smcginnisjgriffith: Very true!16:34
jgriffithsmcginnis: What's your macro going to do for "!!" ?16:34
jgriffith!!16:35
openstackjgriffith: Error: "!" is not a valid command.16:35
SwansonWhere's the storyboard?16:35
jgriffithI'll just type that everybody until one Christmas morning I get a surprise :)16:35
smcginnisjgriffith: Off hand comment in the meeting yesterday and bswartz went ahead and filed a storyboard for it.16:35
smcginnisLet me see if I can find it.16:35
jgriffithOh.. haha, I missed that (weird though because I was at the meeting)16:35
Swansonhttps://storyboard.openstack.org/#!/story/200072616:35
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smcginnisThere it is!16:36
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smcginnisReally think it should inject a table flip. That would just be awesome.16:36
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jgriffithlmao!!!!!!16:38
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smcginnisYou know, we're working on the really important stuff here! :)16:38
jgriffith:)16:38
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Swanson:)16:38
patrickeastjgriffith: smcginnis: oh, so to take it back (i just got back to my desk) anyone using the infra based ci can flip theirs to work either way by changing the manager for the pipeline from independent to depedent http://docs.openstack.org/infra/zuul/zuul.html#pipelines16:39
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patrickeastand you can see what jobs in the upstream jenkins stuff is doing what if you sift through layout.yaml in the project-config repo16:39
jgriffithpatrickeast: oh nice16:39
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jgriffithpatrickeast: smcginnis so yeah... FTR check is Indep and Gate is Dep16:44
smcginnisHuh, I thought check queue rebased too. But makes sense gate would need to.16:45
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xinli@smcginnis: could you please help to review the patch 285640? https://review.openstack.org/#/c/285640/17:05
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smcginnisxinli: Sure, I'll put it on my list.17:30
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openstackgerritPhilipp Marek proposed openstack/cinder: DRBD: Report an error if a snapshot has vanished  https://review.openstack.org/34727318:21
openstackgerritPhilipp Marek proposed openstack/cinder: DRBD: Avoid duplicated volumes from the error path  https://review.openstack.org/34727418:21
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openstackgerritDerrick Wippler proposed openstack/cinder: Generate support matrix using driver interfaces  https://review.openstack.org/37116919:32
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xinlixyang1: could you pleas ehelp review code: https://review.openstack.org/#/c/285640/20:04
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xyang1xinli: sure, I'll take a look20:09
xinlixyang1: thx20:10
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openstackgerritRaunak Kumar proposed openstack/cinder: Add Fibre Channel support for Nimble Storage  https://review.openstack.org/35944821:03
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jungleboyjsmcginnis: You around?21:13
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openstackgerritxing-yang proposed openstack/cinder: Add API Reference for groups  https://review.openstack.org/37052621:56
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sam64hey there!  i have been working with Philipp Marek in the austria office and am with LinBit.  i'll be eventually taking over his Cinder projects.  just wanted to introduce myself and request a review a patch: https://review.openstack.org/#/c/34726822:54
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