| openstackgerrit | Vincent Hou proposed openstack/cinder: LVM: add the exception handling to volume copy https://review.openstack.org/218750 | 00:02 |
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| openstackgerrit | Matt Riedemann proposed openstack/python-cinderclient: Update path to subunit2html in post_test_hook https://review.openstack.org/219929 | 00:19 |
| mriedem | you're welcome! ^ | 00:19 |
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| openstackgerrit | XinXiaohui proposed openstack/cinder: Calculate virtual free capacity and notify https://review.openstack.org/206923 | 00:45 |
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| jgriffith | mriedem: ? | 01:15 |
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| jgriffith | mriedem: of course thank you for the bug and the shiny patch to go with it | 01:15 |
| mriedem | apparently novaclient did a thing and other clients copied it | 01:16 |
| mriedem | and we didn't see the ML thread about it going to break | 01:16 |
| openstackgerrit | Teruaki Ishizaki proposed openstack/cinder: Sheepdog: Improve image operations https://review.openstack.org/202954 | 01:16 |
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| jgriffith | mriedem: yeah, your reference is the first I saw the thread as well :( | 01:17 |
| jgriffith | mriedem: thanks for being on top of it and fixing it up | 01:17 |
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| openstackgerrit | Thang Pham proposed openstack/cinder: Conversion to volume object https://review.openstack.org/177054 | 01:21 |
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| openstackgerrit | Thang Pham proposed openstack/cinder: Register RPC and object versions https://review.openstack.org/209701 | 01:42 |
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| openstackgerrit | Yuriy Nesenenko proposed openstack/python-cinderclient: Remove duplicate code in functional tests https://review.openstack.org/219772 | 02:24 |
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| openstackgerrit | Teruaki Ishizaki proposed openstack/cinder: Sheepdog: Improve image operations https://review.openstack.org/202954 | 02:44 |
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| openstackgerrit | John Griffith proposed openstack/cinder: Add placholder for migration backports in Liberty https://review.openstack.org/219965 | 02:55 |
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| openstackgerrit | OpenStack Proposal Bot proposed openstack/cinder: Updated from global requirements https://review.openstack.org/215440 | 03:05 |
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| openstackgerrit | OpenStack Proposal Bot proposed openstack/python-cinderclient: Updated from global requirements https://review.openstack.org/210918 | 03:10 |
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| openstackgerrit | Gerald McBrearty proposed openstack/cinder: Switch SVC driver to use lsportfc to determine FC target WWPNS https://review.openstack.org/219973 | 03:27 |
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| openstackgerrit | John Griffith proposed openstack/cinder: Use oslo-config-generator https://review.openstack.org/219977 | 03:38 |
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| openstackgerrit | Tina Tang proposed openstack/cinder: Clone cg support in VNX driver https://review.openstack.org/215530 | 05:12 |
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| openstackgerrit | Wilson Liu proposed openstack/cinder: Add hypermetro support for Huawei driver https://review.openstack.org/202023 | 05:22 |
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| openstackgerrit | Tina Tang proposed openstack/cinder: Clone cg support in VNX driver https://review.openstack.org/215530 | 05:43 |
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| openstackgerrit | OpenStack Proposal Bot proposed openstack/cinder: Imported Translations from Transifex https://review.openstack.org/218741 | 06:18 |
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| openstackgerrit | Vincent Hou proposed openstack/cinder: LVM: add the exception handling to volume copy https://review.openstack.org/218750 | 06:26 |
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| openstackgerrit | Vincent Hou proposed openstack/cinder: Remove the destination volume check in delete_volume https://review.openstack.org/219108 | 08:01 |
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| openstackgerrit | Daniel Tadrzak proposed openstack/cinder: CGSnapshot Object https://review.openstack.org/195027 | 09:23 |
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| dulek | e0ne: Hi! Can you please take a look at my comment on https://review.openstack.org/#/c/217857/ to confirm I'm not talking nonsense? | 09:55 |
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| DuncanT | dulek: This python stuff is all nonsense. | 10:13 |
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| DuncanT | dulek: On a more serious note, I think it is going to be a worthwhile summit session to define exactly what AZ means to different people, and what AZ usecases we want to support. My understanding of an AZ means that the idea of a fallback AZ makes little sense, but clearly other people have a different idea of how AZs should work | 10:16 |
| e0ne | DuncanT: +1. we need more feedback from operators | 10:18 |
| DuncanT | e0ne: I'm just emailing the submitter of that bug now. At the very least I can write up how we want AZs to work, and hopefully get details of how they want AZs to work too, then try to ensure cinder can do both | 10:19 |
| DuncanT | e0ne: Currently it's a bit organic, which I don't like - there's no good advice on how to actually build a resilient system | 10:19 |
| DuncanT | e0ne: If you have an idea of how AZs should work, please drop me an email (and anybody else who thinks they have an understanding of what they want from AZs - regardless of what we currently have) | 10:20 |
| e0ne | DuncanT: personal mail for you or to openstack-dev? | 10:22 |
| DuncanT | e0ne: To me directly to start with please, I'll try to summarise before we take it to the list | 10:23 |
| e0ne | dulek: i'm agree with DuncanT's comment | 10:23 |
| e0ne | dulek: tbh, i don't like this patch but won't block it if operators want such strange feature | 10:24 |
| dulek | DuncanT: Haven't all 3 threads on openstack-dev on the topic explained what operators expect? | 10:24 |
| e0ne | DuncanT: ok. I will mail you and try to get feedback from our ops | 10:24 |
| e0ne | dulek: we still don't know WHY they want it | 10:25 |
| DuncanT | dulek: Not clearly, no. I will go through those as well though, and try to get diagrams of the (at least) two different models that are being deployed. We can then look at the failure cases for each model and see if it makes sense | 10:25 |
| e0ne | dulek: it was an issue in Nova. and know they say: we don't want that issue to be fixed. it's good enough for us. | 10:26 |
| DuncanT | dulek: Having a good clear statement of what each group is trying to achieve would help me a lot for certain, and I doubt I'm alone. For my mental model of AZs, what is being asked for in that patch makes no sense, and providing a volume in anything other than the requested AZ is a bug | 10:27 |
| dulek | DuncanT, e0ne: An explanation why an operator want it: http://lists.openstack.org/pipermail/openstack-dev/2015-August/073141.html | 10:27 |
| dulek | DuncanT: And I agree that diagrams and analysis of possible failures would be beneficial. | 10:28 |
| e0ne | dulek, DuncanT: I saw it. that's why I proposed an option AZ per backend | 10:28 |
| dulek | e0ne, DuncanT: Sorry, got to go to a meeting, I'll answer you in some time. | 10:28 |
| DuncanT | dulek: But that explaination makes little sense unless they're willing to accept that cinder node failures will take down multiple AZs, and they are allowing nova to mount cross-AZ - if that is the case then fine, but I want to make that clear | 10:29 |
| e0ne | dulek: but DuncanT's concern about 'fake AZ' looks right for some cases | 10:29 |
| e0ne | DuncanT: +1 | 10:29 |
| DuncanT | dulek: I can then document how to configure that setup, and document what the failure modes are, and the advantages and disadvantages of doing so | 10:29 |
| DuncanT | dulek: I want all of the supported configurations to be documented | 10:30 |
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| nikeshm | DotHill CI is passed on the bug-fix by hemna https://review.openstack.org/#/c/219534/, its need one more +2 | 11:36 |
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| DuncanT | nikeshm: Approved. Any idea why the CI failed? Something you fixed or an intermittent issue? | 12:12 |
| nikeshm | DuncanT: Vedams CI is different from recheck-HP Storage CI | 12:14 |
| nikeshm | DuncanT: vedams CI was not failed on this patch | 12:14 |
| DuncanT | nikeshm: Oh, sorry, I misread the history. Thanks. | 12:15 |
| nikeshm | DuncanT: looks like recheck-HP Storage CI was failed | 12:15 |
| nikeshm | DuncanT: thanks for +2, :) , so what weeked plan (friday and saturday) | 12:16 |
| DuncanT | nikeshm: Beer. Lots of beer. Some dancing. Maybe a trip down to the desert. | 12:17 |
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| DuncanT | @nikeshm I should probably put up my casual review friday list before the end of the day, too | 12:19 |
| nikeshm | DuncanT: happy weekend after long tiring week | 12:20 |
| DuncanT | nikeshm: Cheers :-) | 12:21 |
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| openstackgerrit | Gerald McBrearty proposed openstack/cinder: Switch SVC driver to use lsportfc to determine FC target WWPNS https://review.openstack.org/219973 | 12:39 |
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| geguileo | dulek: ping - rolling upgrades with VOs | 12:42 |
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| dulek | geguileo: Hello! | 12:44 |
| geguileo | dulek: Hi | 12:44 |
| dulek | geguileo: What's up? :) | 12:44 |
| geguileo | dulek: New worries, that's what's up :-( | 12:45 |
| openstackgerrit | abhiram moturi proposed openstack/cinder: ZFSSA driver to return project 'available' space https://review.openstack.org/211299 | 12:45 |
| geguileo | dulek: I'm worried about rolling migrations with VOs | 12:45 |
| geguileo | dulek: Because I believe we don't have the structure to support it | 12:45 |
| dulek | geguileo: Okay, can you elaborate? | 12:45 |
| geguileo | dulek: For upgrades we may have DB migrations | 12:46 |
| * geguileo hoping he's wrong and dulek can remove his worries | 12:46 | |
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| DuncanT | VOs? What is a VO? | 12:47 |
| geguileo | DuncanT: Versioned Objects | 12:47 |
| geguileo | dulek: So how do we manage DB migrations with the rolling upgrades? | 12:47 |
| DuncanT | geguileo: We don't, yet | 12:48 |
| DuncanT | geguileo: Some of the infrastructure is there, but far from all | 12:48 |
| dulek | geguileo: Give me a minute to rethink if I'm not missing something. | 12:48 |
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| geguileo | DuncanT: My worry is that our current architecture does not allow us to do rolling upgrades | 12:49 |
| DuncanT | geguileo: Well, given it isn't finished, no it doesn't. It will do though - thang had a blueprint for how it will fit together | 12:49 |
| geguileo | dulek: Thanks, though I'm really hopping that it's me the one that is missing something | 12:49 |
| geguileo | DuncanT: I'll have a look, but I think it's missing the part that worries me | 12:50 |
| DuncanT | geguileo: Basically we tell all services to pin the max object version they send over the wire (downgrading before send as necessary) until every service is upgraded, then we remove the pin | 12:50 |
| geguileo | DuncanT: Yeah, that's the easy stuff | 12:51 |
| geguileo | DuncanT: What about schema migrations? | 12:51 |
| dulek | geguileo: Okay, so Nova wants to address it with two-phase DB migrations - first phase adds new columns and second removes them when all services are upgraded | 12:51 |
| geguileo | dulek: Nova has a Conductor | 12:51 |
| DuncanT | geguileo: I'm sure we had an answer, but I need to go back and re-read plans | 12:51 |
| dulek | geguileo: I don't see how conductor changes two-phase migrations idea. | 12:52 |
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| geguileo | DuncanT: I'll have a look at the spec | 12:52 |
| DuncanT | geguileo: I think the basic answer is objects need to be able to talk to both schema versions | 12:52 |
| DuncanT | geguileo: I'm not sure it got as far as a concrete design, now you come to mention it :-( | 12:52 |
| geguileo | dulek: So all new added colums will forcefully have default values or allow NULL, right? | 12:53 |
| dulek | geguileo: http://specs.openstack.org/openstack/neutron-specs/specs/liberty/online-schema-migrations.html (Neuron spec is a little better defined than Nova, and Neutron has no conductor) | 12:53 |
| geguileo | dulek: Wrong | 12:53 |
| geguileo | dulek: I spoke with a Neutron guy yesterday | 12:53 |
| dulek | geguileo: Actually you cannot add new column to the DB without def value or allowing NULL. | 12:54 |
| geguileo | dulek: And they have a kind of conductor | 12:54 |
| geguileo | dulek: No, I mean, that new entries must have default value (not existing ones) | 12:54 |
| geguileo | dulek: So neutron passes all DB access through their kind of conductor and then manage messages to agents | 12:55 |
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| xek | geguileo, the code that actually talks with the db is sqlalchemy | 12:56 |
| geguileo | XD XD XD | 12:56 |
| geguileo | xek: That's not what we are talking about | 12:57 |
| geguileo | xek: That's a library for the abstraction layer | 12:57 |
| xek | geguileo, so in a case of an upgrade, there may be two different sqlalchemy models, and that's why two-phase migrations are a good idea | 12:58 |
| dulek | geguileo, DuncanT: xek is my team member who's a little more into oslo.VO and generally upgrades in various projects. | 12:58 |
| geguileo | xek: Yep, we would have different models on different nodes | 12:58 |
| dulek | geguileo: About conductor stuff. I'm not that familiar with Neutron, so let's get back to Nova. It isn't true that all DB accesses in Nova's services go through conductor. | 12:59 |
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| geguileo | dulek: Well, they are "supposed to" XD | 13:00 |
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| dulek | geguileo: I was always confused by what was the real goal of conductor, but you may be right. ;) | 13:01 |
| xek | dulek, geguileo it depends on the configuration | 13:01 |
| xek | what is always done by the conductor is backporting of objects for the computes which run with an older version | 13:02 |
| openstackgerrit | Oleksii Butenko proposed openstack/python-cinderclient: Add functional tests for python-cinderclient https://review.openstack.org/218895 | 13:02 |
| geguileo | xek: So compute nodes send requests directly to DB if DB version is the same as their VOs and through conductor if they are not? | 13:03 |
| * geguileo must be understanding it wrong, because that sounds weird | 13:03 | |
| xek | geguileo, it depends on the CONF.conductor.use_local setting | 13:05 |
| * dulek is going to talk through a common version of what's happening with xek. ;) | 13:05 | |
| geguileo | dulek: What do you mean by that ^? | 13:05 |
| openstackgerrit | Kendall Nelson proposed openstack/cinder: WIP: Dynamically create cinder.conf.sample https://review.openstack.org/219700 | 13:08 |
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| openstackgerrit | Vipin Balachandran proposed openstack/cinder: VMware: Fix exception messages https://review.openstack.org/220132 | 13:10 |
| dulek | geguileo: I've needed to make sure that we understand each other correctly, and that's easier to do in person and in my native language. ;) | 13:11 |
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| dulek | geguileo, DuncanT: Now I think that to handle DB migrations we also need online DB schema migrations like Nova or Neutron. | 13:12 |
| dulek | geguileo, DuncanT: Given that we're actually removing or renaming columns through migrations, which I believe isn't happening. | 13:12 |
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| * dulek is glancing through Liberty migration scripts. | 13:13 | |
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| geguileo | dulek: But we may want to in the future | 13:13 |
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| dulek | geguileo: I agree, we should have that possibility. | 13:16 |
| dulek | geguileo: From what I see we don't have any incompatible DB schema changes in Liberty, but that doesn't mean there won't be any in the future. | 13:17 |
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| dulek | geguileo, DuncanT: Is two-phase DB schema migrations a solution for that in your opinion? | 13:18 |
| dulek | s/Is/Are ;) | 13:18 |
| geguileo | dulek: I'm going to give it some thought, as it isn't a trivial matter | 13:19 |
| geguileo | dulek: But the first thing that comes to mind is that it could work | 13:19 |
| DuncanT | dulek: I don't know. I think we need a dummy migration as a demo... a migration that adds a column to one table and removes one from another, and shows the objects doing a version adaption | 13:19 |
| DuncanT | dulek: I guess adding and removing a column from the same table is the third test case | 13:20 |
| dulek | DuncanT: I don't think that's how it is supposed to work. | 13:20 |
| DuncanT | dulek: oh? | 13:20 |
| dulek | DuncanT: It's more like - add columns before upgrades - everything works fine, older versions just ignore the column (given it has default in the DB or is nullable). | 13:21 |
| dulek | DuncanT: After everything is upgraded - run second phase that will remove the unused columns. | 13:21 |
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| dulek | DuncanT: A harder case would be how to handle conversions of column values. I'm not sure on that, need to take a look into Nova's and Neutron's specs. | 13:22 |
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| dulek | DuncanT: But Nova needs also to handle such cases - there can be a lot of conductors and these may not be upgraded at once. | 13:24 |
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| e0ne | volume attachment API is broken in nova:(. only non-voting job in cinder found this issue:( | 13:35 |
| e0ne | *non-voting rally job | 13:35 |
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| geguileo | e0ne: With the new tests you added? | 13:37 |
| e0ne | geguileo: no. volume attach scenario was merged a while ago | 13:38 |
| e0ne | nobody cares that python-somethingclient works | 13:38 |
| e0ne | nobody cares about non-voting job failed | 13:38 |
| geguileo | e0ne: Which client is broken? | 13:39 |
| e0ne | geguileo: actually, it's not nova-client. it's nova api | 13:39 |
| e0ne | geguileo: but simple test for client could find such issue | 13:39 |
| geguileo | e0ne: And their CI didn't catch it? | 13:39 |
| e0ne | geguileo: no. | 13:39 |
| e0ne | geguileo: https://bugs.launchpad.net/cinder/+bug/1491842 | 13:40 |
| openstack | Launchpad bug 1491842 in Cinder "Can't attach volume without specifying device name" [High,Confirmed] | 13:40 |
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| * geguileo has finally lost his faith in OpenStack's CIs | 13:40 | |
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| jgriffith | geguileo: I'm impressed that you ever had any | 13:40 |
| jgriffith | geguileo: more != better | 13:41 |
| geguileo | jgriffith: Well, it only lasted 6 months so... ;-) | 13:41 |
| jgriffith | geguileo: HA | 13:41 |
| e0ne | jgriffith: :) | 13:42 |
| e0ne | my first lesson with openstack was: do not read the documentation. read the code! | 13:43 |
| jgriffith | e0ne: so I'm curious however on that bug | 13:43 |
| geguileo | e0ne: Yep, I had that one early on as well | 13:44 |
| e0ne | jgriffith: imo, root cause is: we don't test our clients with API well. tempest tests only API | 13:46 |
| jgriffith | e0ne: so that IS one of the reasons we were supposed to start moving functional in to Cinder remember | 13:47 |
| jgriffith | although this case I don't understand yet and it wouldn't have found it | 13:47 |
| e0ne | jgriffith: absolutly agree | 13:47 |
| jgriffith | e0ne: I'm trying to understand the bug, and what exactly rally does that exposes it? | 13:48 |
| e0ne | jgriffith: what do you mean? | 13:48 |
| jgriffith | I'm doing nova volume-attach all day long here | 13:48 |
| e0ne | jgriffith: rally calls something like "nova volume-attach <instance_id> <volume_id>" | 13:48 |
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| e0ne | jgriffith: but for now, nova requires something like "nova volume-attach <instance_id> <volume_id> <device_name>" | 13:49 |
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| jgriffith | e0ne: yeah, so I'm trying to understand what's the "cinder" bug | 13:50 |
| jgriffith | sounds like a Rally bug | 13:50 |
| * jgriffith is confused | 13:50 | |
| e0ne | jgriffith: it's a nova bug | 13:50 |
| e0ne | jgriffith: my concern was: only Cinder CI found it | 13:50 |
| jgriffith | e0ne: although dberrange (I think) had proposed about dropping dev altogether | 13:50 |
| jgriffith | e0ne: oh... I see | 13:51 |
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| jgriffith | e0ne: well, kinda :) | 13:51 |
| johnthetubaguy | looking to tag a new python-novaclient soon, thats very related | 13:51 |
| jgriffith | kinda not | 13:51 |
| jgriffith | johnthetubaguy: :) | 13:51 |
| jgriffith | johnthetubaguy: I knew there was some discussion I caught around this, just couldn't remember details :) | 13:52 |
| johnthetubaguy | the device_name is just not properly honoured, so we are trying to remove that (in the eventual sense) | 13:52 |
| johnthetubaguy | but thats a different discussion I guess | 13:52 |
| jgriffith | johnthetubaguy: yeah, I know Vish fought it for years, sounds like it's time to just punt on it and be done :) | 13:52 |
| jgriffith | johnthetubaguy: but I'm confused, because apparantly e0ne is expecting it to work today without the "dev" arg | 13:53 |
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| jgriffith | which I never thought was something that was done | 13:53 |
| jgriffith | or supported yet, just talked about | 13:53 |
| e0ne | jgriffith, johnthetubaguy: "device" argument should be optional | 13:53 |
| johnthetubaguy | I kinda thought thats been optional for a while, but I would have to go dig to say when, I could be wrong | 13:54 |
| jgriffith | e0ne: I must be wrong, I'll look; I thought the "option" was "dev=auto" | 13:54 |
| johnthetubaguy | optional is a bit racey, as it just picks the "next" one | 13:54 |
| jgriffith | but honestly haven't looked in quite a while so I should likely be ignored :) | 13:54 |
| johnthetubaguy | jgriffith: oh, possibly... | 13:54 |
| johnthetubaguy | yeah, not dug recently either | 13:55 |
| e0ne | johnthetubaguy: https://github.com/openstack/nova/blob/master/nova/compute/api.py#L3057 | 13:56 |
| e0ne | johnthetubaguy: the same for the python-novaclient | 13:56 |
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| jgriffith | hmm... well then | 13:57 |
| e0ne | and https://github.com/openstack/nova/blob/master/nova/api/openstack/compute/schemas/volumes.py#L78 | 13:58 |
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| e0ne | looks like optional params are required now | 13:58 |
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| openstackgerrit | Marian Horban proposed openstack/cinder: Remove wsgi functionality https://review.openstack.org/219671 | 14:04 |
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| openstackgerrit | Peter Penchev proposed openstack/cinder: Reintroduce the StorPool driver. https://review.openstack.org/220155 | 14:09 |
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| openstackgerrit | Peter Penchev proposed openstack/os-brick: Add the StorPool brick connector. https://review.openstack.org/192639 | 14:15 |
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| dulek | jgriffith: https://review.openstack.org/#/c/217857/ - is my understanding presented in the comments there valid? | 14:28 |
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| jgriffith | dulek: ahh... indeed | 14:37 |
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| jgriffith | dulek: Edmund made some valid points as well. But the gist of it is that "yes" we want to log the resource we're creating. We don't have any handle to that in this case though | 14:40 |
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| jgriffith | dulek: My opinion would be to merge this and file a bug, rather than drag Edmund through another change on it | 14:40 |
| jgriffith | dulek: mostly because he added it at my request ;) | 14:40 |
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| dulek | jgriffith: Okay, I'm getting my -1 back. | 14:42 |
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| jgriffith | dulek: thanks for pointing that out, I updated my vote and comment | 14:44 |
| nikeshm | which nova service to restart after changing nova.volume.cinder.py in devstack | 14:44 |
| jgriffith | nikeshm: api usually I tihnk | 14:45 |
| dulek | jgriffith: Ah, we're going this way. Okay, it's fine for me. Thanks for help! | 14:45 |
| jgriffith | dulek: ? | 14:45 |
| openstackgerrit | Tom Barron proposed openstack/cinder: NetApp E-Series over-subscription support https://review.openstack.org/215801 | 14:45 |
| jgriffith | dulek: No, I'm saying your -1 was correct/valid... I'm agreeing with you :) | 14:45 |
| dulek | jgriffith: "My opinion would be to merge this and file a bug" and then you get your +2 back. | 14:46 |
| dulek | jgriffith: That got me confused, but I agree getting that in RC is proper option. | 14:46 |
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| jgriffith | dulek: yeah, I don't communicate well :) | 14:46 |
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| dulek | jgriffith: It's fine. ;) | 14:47 |
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| openstackgerrit | Edmund Rhudy proposed openstack/cinder: Adds allow_availability_zone_fallback option to Cinder https://review.openstack.org/217857 | 15:20 |
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| openstackgerrit | John Griffith proposed openstack/cinder: Use oslo-config-generator https://review.openstack.org/219977 | 15:41 |
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| openstackgerrit | John Griffith proposed openstack/cinder: Use oslo-config-generator https://review.openstack.org/219977 | 15:45 |
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| openstackgerrit | Derrick Wippler proposed openstack/cinder: Hacking log format arg check https://review.openstack.org/220246 | 17:13 |
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| jgriffith | diablo_rojo: hey | 17:31 |
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| hogepodge | hi o/ | 17:33 |
| hogepodge | is there a good place to see the current list of drivers that are being tested in cinder CI? | 17:33 |
| hogepodge | I've looked at the wiki, but that seems to be updated manually. | 17:33 |
| jgriffith | hogepodge: yah, that's a fun game :) | 17:34 |
| jgriffith | hogepodge: so two things I can think of: | 17:34 |
| asselin | hogepodge, this is a new one that I like: http://ci-watch.tintri.com/project?project=cinder&time=24+hours | 17:34 |
| jgriffith | asselin: :) | 17:34 |
| jgriffith | that's the first one :) | 17:34 |
| hogepodge | asselin: oh, that's exactly what I need in the format I need it in. | 17:35 |
| asselin | makes IBM GPFS CI look bad though | 17:35 |
| asselin | jungleboyj, ^^ | 17:35 |
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| jgriffith | asselin: theyre flash one too | 17:36 |
| jgriffith | funny how "nothing" ever fails | 17:36 |
| jgriffith | guess that's one way to do it :) | 17:36 |
| asselin | glad to hear that random failures are good to have :) | 17:37 |
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| Swanson | While that page makes one of the dell drivers look really bad in our defense someone stole the SAN. | 17:38 |
| nikeshm | hemna: hi, thanks | 17:38 |
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| nikeshm | hemna: is this also need to change https://github.com/openstack/cinder/blob/master/cinder/volume/drivers/san/hp/hp_3par_common.py#L1574 | 17:39 |
| asselin | Swanson, actually that's what I like about it. I can quickly see that I should ignore those failure results | 17:39 |
| nikeshm | or already some patch is there to change | 17:39 |
| hemna | nikeshm, https://review.openstack.org/#/c/219498/ | 17:40 |
| nikeshm | hemna: thanks | 17:41 |
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| jgriffith | Swanson: LMAO | 17:44 |
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| openstackgerrit | Vipin Balachandran proposed openstack/cinder: VMware: Fix exception messages https://review.openstack.org/220132 | 18:25 |
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| * hemna says the panic about volume migration sets in..... | 18:31 | |
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| Swanson | hemna: panic? | 18:31 |
| patrickeast | panic?! | 18:32 |
| * patrickeast panics | 18:32 | |
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| openstackgerrit | Vipin Balachandran proposed openstack/cinder: VMware: Fix exception messages https://review.openstack.org/220132 | 18:32 |
| hemna | yah. | 18:33 |
| hemna | bleh | 18:33 |
| hemna | re: https://review.openstack.org/#/c/219498/4/cinder/volume/drivers/san/hp/hp_3par_common.py | 18:33 |
| e0ne | what did i miss? | 18:33 |
| patrickeast | ew yea i saw that | 18:34 |
| hemna | well, for whatever reason I didn't know about update_migrated_volume and the mess that not implementing that creates. | 18:34 |
| hemna | :( | 18:34 |
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| hemna | what a freaking disaster | 18:34 |
| patrickeast | we should definitely have to documented somewhere if it isn't already | 18:35 |
| patrickeast | s/to/that/ | 18:35 |
| Swanson | hemna: I had to implement update_migrated_volume to keep from losing track of my volumes. Was horrible. | 18:35 |
| hemna | I'm pretty sure our drivers are broken if someone migrates | 18:36 |
| patrickeast | if i understand correctly i'm safe by using 'name' with mine... but now i really need to go test it more thoroughly... again | 18:36 |
| hemna | we use id | 18:36 |
| hemna | wah wah wahhhh | 18:37 |
| patrickeast | haha now i'm glad you blocked my change to try and switch from name to id | 18:37 |
| hemna | lo | 18:37 |
| hemna | l | 18:37 |
| Swanson | I was told to use id. I still use id. I just have update_migrated_volume to fix things up. | 18:37 |
| * hemna fires up a new vagrant to test migrating from lvm -> 3PAR/LeftHand | 18:37 | |
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| hemna | I can taste the exception stack trace now..... | 18:38 |
| patrickeast | lol | 18:38 |
| Swanson | Speaking of migration did live migration work in kilo? | 18:38 |
| hemna | this also seems like it should be a test case handled in 3rd party CI | 18:39 |
| hemna | nova live migration? | 18:39 |
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| hemna | heh, Swanson I'd say no* | 18:39 |
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| hemna | for some drivers it might have. | 18:39 |
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| Swanson | I have a change in that fixes multiple calls to initialize_connection but I'd heard it was broken beyond that. But I might be thinking of something else. | 18:40 |
| Swanson | Need my full test environment working again.... | 18:40 |
| hemna | FC was probably borked with multipath enabled | 18:40 |
| hemna | there is a bunch of code in nova that tries to preserve the multipath id | 18:41 |
| hemna | it's a mess | 18:41 |
| hemna | I have plans to clean that out in M, now that nova uses brick and brick doesn't even use multipath_id anymore. | 18:41 |
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| Swanson | I think the issue is with iscsi. Timezones are not helping me. | 18:42 |
| openstackgerrit | Gorka Eguileor proposed openstack/cinder: Remove API races from delete methods https://review.openstack.org/205835 | 18:44 |
| openstackgerrit | Gorka Eguileor proposed openstack/cinder: Add atomic conditional updates to objects https://review.openstack.org/205834 | 18:44 |
| openstackgerrit | Gorka Eguileor proposed openstack/cinder: WIP: Remove more API races https://review.openstack.org/216378 | 18:44 |
| openstackgerrit | Gorka Eguileor proposed openstack/cinder: Move get_by_id to CinderObject https://review.openstack.org/218012 | 18:44 |
| openstackgerrit | Gorka Eguileor proposed openstack/cinder: Improve metadata update operations https://review.openstack.org/216376 | 18:44 |
| openstackgerrit | Gorka Eguileor proposed openstack/cinder: Remove API races from attach and detach methods https://review.openstack.org/216377 | 18:44 |
| openstackgerrit | Patrick East proposed openstack/cinder: Use consolidated update for failover_replication https://review.openstack.org/219875 | 18:48 |
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| openstackgerrit | Gerald McBrearty proposed openstack/cinder: Switch SVC driver to use lsportfc to determine FC target WWPNS https://review.openstack.org/219973 | 19:06 |
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| openstackgerrit | Derrick Wippler proposed openstack/cinder: Hacking log format arg check https://review.openstack.org/220246 | 19:13 |
| diablo_rojo | jgriffith: Hey. Sorry I couldn't reply right away; I was in meetings. | 19:19 |
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| diablo_rojo | jgriffith: I was confused by your pushing up a patch based heavily on Sergey's given your and the community's distaste with that approach. I pushed up my WIP patch in the hopes that we could work together on it and was surprised to see that you had pushed up your own today returning to the non-dynamic approach. I would love to collaborate with you particularly since you seem to have a good understanding of the oslo-config-generat | 19:31 |
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| jgriffith | diablo_rojo: couple things: | 19:32 |
| jgriffith | My *distaste* doesn't really matter :) and my distaste was in reference to something slightly different. The reality is this is how it's being implemented currently. | 19:32 |
| jgriffith | diablo_rojo: also, back in July I thought we'd have something done by Sept :) | 19:33 |
| jgriffith | diablo_rojo: finally... it turns out that even the "auto generated" version seems to have a good bit of hard coding in it as well | 19:33 |
| diablo_rojo | Right, but a dynamic way of implementing it is what the community wanted I thought | 19:33 |
| jgriffith | diablo_rojo: Yeah... and I want a pony :) | 19:33 |
| diablo_rojo | And no one had attempted it previously becuase it has been incredibly difficult | 19:34 |
| jgriffith | diablo_rojo: my point is we need to fix it, if that's with your version, great | 19:34 |
| diablo_rojo | Gotta give me a little credit with how new I am :) | 19:34 |
| jgriffith | if it's with Sergey and my version (like every other openstack project) that's cool too | 19:34 |
| jgriffith | or if it's step 1, then step 2 that's even beter | 19:34 |
| jgriffith | diablo_rojo: OHHH | 19:34 |
| jgriffith | don't take it the wrong way | 19:34 |
| jgriffith | Not a knock on you or your work at all!!! | 19:35 |
| jgriffith | That's not the point | 19:35 |
| jgriffith | diablo_rojo: sorry if it came across that way, not my intent | 19:35 |
| jgriffith | bottom line, it's a bug, it needs fixed... that's all | 19:35 |
| diablo_rojo | If you and he are doing all the oslo-config-stuff right thats awesome. We can put my script to generate the cinder opts with what you have | 19:35 |
| jgriffith | diablo_rojo: well... about that ;) | 19:35 |
| jgriffith | diablo_rojo: a few things about your script we should look at | 19:36 |
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| jgriffith | diablo_rojo: so there's no real reason to do the "import xxxx as some-name", we can nuke that step out of there | 19:36 |
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| jgriffith | diablo_rojo: I'm not sure I follow why a bunch of it is hard-coded? | 19:36 |
| diablo_rojo | I was doing that so that later when we reference the opts there is a name to get them from. | 19:37 |
| diablo_rojo | Which hard coded parts are you referring to? | 19:37 |
| diablo_rojo | initial setup? | 19:37 |
| jgriffith | diablo_rojo: https://review.openstack.org/#/c/219700/3/cinder/config/generate_cinder_opts.py | 19:37 |
| jgriffith | kymgr, BRCD,CISCO BRCD.... | 19:38 |
| jgriffith | fc-zone-manager | 19:38 |
| jgriffith | etc | 19:38 |
| diablo_rojo | Thats the different sections | 19:38 |
| diablo_rojo | thats not specific opt lists being hard coded | 19:38 |
| diablo_rojo | in Nova and other projects they have the lists of opts that have been registered broken up into sections | 19:38 |
| jgriffith | yeah... ? | 19:39 |
| jgriffith | and ? | 19:39 |
| diablo_rojo | so like CONF.register_opts(lost_o_opts, group = keymgr) | 19:39 |
| diablo_rojo | lost_o_opts shouldn't go into the default, it needs to get sorted into the proper section | 19:39 |
| diablo_rojo | which is what that is | 19:39 |
| jgriffith | diablo_rojo: yes, I'm familiar, not following though | 19:39 |
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| jgriffith | diablo_rojo: my point is "it's not an auto-generated" opts file if you hvae to hard code the sections in it :) | 19:40 |
| diablo_rojo | You had said that I was hardcoding things? | 19:40 |
| jgriffith | see what I mean? | 19:40 |
| diablo_rojo | Oh | 19:40 |
| jgriffith | :) | 19:40 |
| jgriffith | diablo_rojo: so look... like I said... not knocking what you're doing | 19:40 |
| jgriffith | diablo_rojo: more than happy to just leave it up to you | 19:40 |
| jgriffith | diablo_rojo: if you want me to start reviewing what you have and making suggestions happy to do it | 19:41 |
| jgriffith | diablo_rojo: just say the word | 19:41 |
| jgriffith | but we do need this and db migration fixed... :) | 19:41 |
| diablo_rojo | I get it. I can work on coming up with a way of doing that and push it up in another patch later on. I think the important thing right now is to get what you have and what I have together and merged. | 19:41 |
| rmetcalf | I need some Cinder code reading advice. With REST APIs how do I determine the code path for a GET and PUT when the URL is the same (/v2/tenant/type, list or create volume types)? Thanks in advance. | 19:41 |
| jgriffith | diablo_rojo: sure, whichever works for you. I'll leave it up to you :) | 19:42 |
| diablo_rojo | jgriffith: How should we put those halves together? Or shall I continue on the route I am currently on? | 19:42 |
| jgriffith | diablo_rojo: also... you might consider something like oswalk all the py files, and read in what you need and process it as you go | 19:42 |
| jgriffith | diablo_rojo: we don't have to put them together right now | 19:43 |
| diablo_rojo | Thats kinda what happens now. | 19:43 |
| jgriffith | diablo_rojo: "kinda" being the key word there :) | 19:43 |
| diablo_rojo | The generate_sample.sh greps for all the CONF.register_opts(xxxxx) | 19:43 |
| diablo_rojo | and pipes that into my script | 19:43 |
| jgriffith | diablo_rojo: right, what I'm suggesting is that instead you have just call "generate-opts" that just build all of that mess, don't mess with piping back and forth. You'll get way better performance | 19:44 |
| jgriffith | diablo_rojo: and you'll get more reuse out of your tools that you're building | 19:44 |
| jgriffith | diablo_rojo: but anyway... completely up to you | 19:45 |
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| jgriffith | I'll buzz off and leave you to what you're doing | 19:45 |
| diablo_rojo | I had thought about that originally, it just made more sense to me to process all of that in a separate script | 19:45 |
| jgriffith | diablo_rojo: cool! Then go with it :) | 19:45 |
| diablo_rojo | jgriffith: Okay, works for me :) | 19:45 |
| jgriffith | diablo_rojo: let me know when you get an update, and thanks! | 19:46 |
| diablo_rojo | if you wanna make comments on what I have out there go ahead, I do appreciate the constuctive criticism. | 19:46 |
| diablo_rojo | :) | 19:46 |
| jgriffith | diablo_rojo: it is one of the trickier things to be trying to work on here I think | 19:46 |
| diablo_rojo | Will do! | 19:46 |
| diablo_rojo | Tell me about it ;) | 19:46 |
| jgriffith | :) | 19:46 |
| diablo_rojo | I didn't know the beast I was taking on when I started this. | 19:46 |
| jgriffith | diablo_rojo: that's how we usually trick people into doing things around here ;) | 19:47 |
| diablo_rojo | Clever, very very clever. | 19:47 |
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| chutwig | DuncanT: here is my first draft of the cinder AZ stuff: https://gist.github.com/erhudy/71892f08bfcb823da4e1 | 20:04 |
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| erhudy1 | let me know if it's what you were looking for | 20:05 |
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| openstackgerrit | John Griffith proposed openstack/cinder: Add bug number to skip in VMware test https://review.openstack.org/220326 | 22:07 |
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| openstackgerrit | John Griffith proposed openstack/cinder: Add mechanism to update snapshot provider_id https://review.openstack.org/219864 | 22:10 |
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| DuncanT | erhudy1: So you if I'm reading that correctly, you want a single cinder AZ with one or more nova AZs? | 22:34 |
| erhudy1 | yes, that's how we have things set up now | 22:35 |
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| erhudy1 | we don't want cinder to care because dealing with data availability is ceph's responsibility | 22:35 |
| DuncanT | erhudy1: Thanks for the writeup. That config makes perfect sense and is definitely one I think we should support. | 22:36 |
| erhudy1 | no problem | 22:37 |
| jgriffith | DuncanT: FWIW, that used to be our default :) | 22:44 |
| jgriffith | DuncanT: but some "do gooder" saw it as a bug and fixed it :( | 22:44 |
| DuncanT | jgriffith: We can un-fix it again. Fortunately easier to do with code than dogs | 22:45 |
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| jgriffith | erhudy1: DuncanT one place to consider this falling apart is people that want to actually do locality scheduling based on AZ's (they're out there). BTW, not disagreeing with the change | 22:45 |
| jgriffith | just some background | 22:45 |
| jgriffith | and the fact that it's configurable makes "most" people happy | 22:46 |
| erhudy1 | i recognize that down the road as our clusters continue to expand we'll probably reach a point where a single crush map spanning the entire cluster no longer works | 22:47 |
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| erhudy1 | but i'd have to think about the implications of that and how we would try to deal with ceph in that scenario | 22:51 |
| erhudy1 | and probably a lot of other assumptions we've made would break down before ceph did | 22:53 |
| jgriffith | erhudy1: well... the other thing to consider is that Ceph isn't the only supported backend for Cinder ;) | 22:53 |
| erhudy1 | i'm just ruminating | 22:53 |
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| erhudy1 | like a cow | 22:53 |
| jgriffith | erhudy1: I do the same.. drives people nuts :) | 22:53 |
| erhudy1 | or maybe a COW | 22:53 |
| jgriffith | ha | 22:53 |
| openstackgerrit | John Griffith proposed openstack/cinder: Add placholder for migration backports in Liberty https://review.openstack.org/219965 | 22:58 |
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