Tuesday, 2017-04-25

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smcginnismgagne: Yes, a patch has been started for os-brick I believe.00:18
mgagnemy concerns are with cinder itself, I wish to use docker to build and test cinder (since I'm running MacOS) and need to figure out the system-level test dependencies. =)00:19
smcginnismgagne: There's some issues running on mac if you want to use LVM/iSCSI.00:20
smcginnismgagne: You're better off running in a Linux VM then.00:20
mgagneunit tests =)00:20
mgagneyea, I'm aware of those issues, that's why I'm trying to use docker to run those tests, so far, I'm having issues with pbr itself :-/00:20
smcginnismgagne: Huh, that's odd.00:21
smcginnismgagne: I know at least one person running in a Docker container successfully.00:21
mgagneI don't know if it's my setup, I used repo to manage and sync my repositories00:21
mgagneI think it's jgriffith00:21
smcginnismgagne: Yep. Was trying not to summon him if I didn't have to. ;)00:21
mgagnehehe, now to put back the genius in the bottle :O00:22
smcginnis:)00:22
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mgagnesmcginnis: this is the error I'm getting: http://paste.openstack.org/show/607820/00:35
mgagnewill try again with a fresh clone just to make sure...00:35
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openstackgerritwangxiyuan proposed openstack/cinder master: Fix NoneType has no attribute get  https://review.openstack.org/45743101:02
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openstackgerritMerged openstack/cinder-specs master: Add volume type filter to Get-Pools  https://review.openstack.org/36274701:23
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openstackgerritwanghao proposed openstack/cinder master: Add VolumeStatus enum field-Part(1)  https://review.openstack.org/44473401:46
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openstackgerritJeremy Zhang proposed openstack/cinder master: Fix typo errors  https://review.openstack.org/45417101:52
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openstackgerritLiu Qing proposed openstack/os-brick master: Check host device alive before multipath id discovery  https://review.openstack.org/45948702:15
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openstackgerritGoutham Pacha Ravi proposed openstack/cinder master: NetApp: Refresh directory before waiting  https://review.openstack.org/45349102:37
openstackgerritTommyLike proposed openstack/cinder master: Support 'LIKE' operator to filter resource  https://review.openstack.org/44544002:45
openstackgerritTommyLike proposed openstack/cinder master: Add support for generalized filtering on list APIs  https://review.openstack.org/44459802:45
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openstackgerritLiu Qing proposed openstack/os-brick master: Check host device alive before multipath id discovery  https://review.openstack.org/45948705:45
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openstackgerritMayur Indalkar proposed openstack/cinder master: Implementation of Cinder driver for Veritas Access.  https://review.openstack.org/40991406:58
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openstackgerritMate Lakat proposed openstack/cinder master: Create indexes for foreign keys  https://review.openstack.org/43731307:07
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openstackgerritKushal Wathore proposed openstack/cinder master: HPE 3PAR: ISCSI/FC drivers – code refactoring  https://review.openstack.org/44647508:16
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openstackgerritravi edpuganti proposed openstack/cinder master: Added consistency group capability to volume groups for CoprHD cinder driver. CoprHD supported consistency group starting from kilo. This fix makes sure that cg support is added for volume groups for PIKE. Volume group maps to consistency group in back en  https://review.openstack.org/45961009:25
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openstackgerritwangxiyuan proposed openstack/cinder master: FusionStorage: use versioned objects.  https://review.openstack.org/45961409:44
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yglis there someone by name Craig Anderson from Mirantis here in this group ?09:59
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openstackgerritGaurang Tapase proposed openstack/cinder master: GPFS: Enhance GPFS driver to work in container  https://review.openstack.org/41137710:47
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openstackgerritTzur Eliyahu proposed openstack/cinder master: Ibm storage: added new option for qos type  https://review.openstack.org/45964911:54
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openstackgerritTzur Eliyahu proposed openstack/cinder master: Ibm storage: added new option for qos type  https://review.openstack.org/45964911:56
arnewiebalcksmcginnis: I can reproduce the DB deadlocks on Ocata as well. Could of course be my config, DB, or backend (which did not change during the upgrades). I updated https://bugs.launchpad.net/cinder/+bug/1685818 accordingly and will keep looking (need to downgrade to MItaka now again, though, as the Cinder test instance is needed to prepare our nova upgrade). We’re “lucky” the issue is the same across versions ;)11:57
openstackLaunchpad bug 1685818 in Cinder "Parallel deletion triggers DB deadlocks " [Undecided,New]11:57
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openstackgerritDaniel Pawlik proposed openstack/cinder master: Add custom keyring when initializing RBD connection  https://review.openstack.org/45667212:01
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dpawlikwinston-d, jbernard: Hi. I make a new patch for RBD custom kerying: https://review.openstack.org/456672 . If you have some time pls check ;) Thx12:03
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asettlesmcginnis: you back? :)12:17
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openstackgerritTommyLike proposed openstack/cinder master: Add volume type filter to API Get-Pools  https://review.openstack.org/45966312:39
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openstackgerritTommyLike proposed openstack/cinder master: Add volume type filter to API Get-Pools  https://review.openstack.org/45966312:40
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gaurangtsmcginnis, we have CIs running for all of the drivers now for GPFS. Could you please take a look and approve the patch https://review.openstack.org/#/c/411377/12:44
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smcginnisgaurangt: Thanks, I'll take a look.12:56
asettlesmcginnis: could you take a look when you get a mo: https://review.openstack.org/#/c/452581/12:57
smcginnisarnewiebalck: I guess that's good. At least it's consistent and reproducable.12:57
asettleI think I'm just mashing it12:57
smcginnisasettle: Will do!12:57
asettleDanke pale :)12:57
asettle... pale12:57
asettlePal*12:57
asettleUgh12:57
asettleI give up12:57
smcginnisWords are hard. :)12:57
asettleTell me about it.12:58
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arnewiebalcksmcginnis: yes, that’s at least sth … do you know more about the deadlocks/races that led to the decorators with the retry logic?13:08
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smcginnisarnewiebalck: No, I'm not sure what the background is on those.13:10
arnewiebalcksmcginnis: I wa thinking geeting our DB experts involved to see if they understand why that query I identified as blocking things takes so long.13:11
smcginnisarnewiebalck: That would be awesome!13:11
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openstackgerritGaurang Tapase proposed openstack/cinder master: GPFS: Enhance GPFS driver to work in container  https://review.openstack.org/41137713:43
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openstackgerritTzur Eliyahu proposed openstack/cinder master: Ibm storage: added new option for qos type  https://review.openstack.org/45964914:09
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openstackgerritMichal Dulko proposed openstack/cinder master: Move driver options to "backend" section  https://review.openstack.org/45365414:17
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openstackgerritTommyLike proposed openstack/cinder master: Add volume type filter to API Get-Pools  https://review.openstack.org/45966314:22
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openstackgerritwangxiyuan proposed openstack/cinder master: FusionStorage: use versioned objects.  https://review.openstack.org/45961414:33
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mdovgalHey,folks. Who can approve this patch for chunkdriver?) I always forget to comment this line and suffer because of it.... https://review.openstack.org/#/c/452117/1/cinder/backup/chunkeddriver.py14:39
smcginnismdovgal: Done14:40
e0nesmcginnis, mdovgal; thanks:)14:41
smcginnise0ne: Pretty easy one. ;)14:41
mdovgalsmcginnis, tnx)14:42
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tommylikehuhey jgriffith , could you take a look at this patch? https://review.openstack.org/#/c/444598/14:53
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jgriffithtommylikehu :)15:19
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openstackgerritMerged openstack/cinder master: NetApp: Refresh directory before waiting  https://review.openstack.org/45349115:20
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Swansonwas there a ci status page somewhere or did I imagine that?15:44
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smcginnisSwanson: There's this, but I need to get the scripts set up to run somewhere else again:15:46
smcginnishttp://cinderstats-dellstorage.rhcloud.com/cireport.txt15:46
smcginnisSwanson: Unless you want to turn on my old machine and hide it somewhere.15:46
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Swansonsmcginnis, I'm pretty sure that machine is long gone.15:46
smcginnisSwanson: Along with the monitor I'm sure. I miss that monitor. :)15:47
Swansonsmcginnis, That monitor is long long gone.15:47
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openstackgerritMerged openstack/cinder master: Remove sha256file value from logs for incremental backups  https://review.openstack.org/45211715:57
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blancosHello. I had a question regarding cinder's consistency groups. I noticed the default police is that no one can perform this action. Is there a particular reason for this? Thank you.16:05
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openstackgerritHelen Walsh proposed openstack/cinder master: VMAX driver - Base functionality, replacing SMI-S with REST  https://review.openstack.org/45542816:11
xyangblancos: this is because only a small number of drivers support this feature.  but consistency groups APIs will be deprecated in Queens.  Drivers are adding CG functions in Generic Volume Groups now.  Generic Volume Groups does not have this kind of policy restriction16:11
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openstackgerritHelen Walsh proposed openstack/cinder master: VMAX driver - Retype, replacing SMI-S with REST  https://review.openstack.org/45675716:19
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openstackgerritHelen Walsh proposed openstack/cinder master: VMAX driver - QoS, replacing SMI-S with REST  https://review.openstack.org/45675916:30
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blancosxyang: Okay thank you.16:40
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openstackgerritHelen Walsh proposed openstack/cinder master: VMAX driver - Detaching volumes if part of two or more MVs  https://review.openstack.org/45845816:58
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openstackgerritGaurang Tapase proposed openstack/cinder master: GPFS: Enhance GPFS driver to work in container  https://review.openstack.org/41137718:10
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Swansontest_force_detach_volume new?18:19
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smcginnisSwanson: No, I don't think so.18:20
Swansonsmcginnis, Something is broken somewhere.18:20
smcginnisSwanson: Oh wait, it is new.18:20
smcginnisSwanson: https://github.com/openstack/tempest/commit/7b0eaf8f544cfbaab521a80abfff33e7b637b90d18:20
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Swansonsmcginnis, great.18:23
Swansonsmcginnis, thanks!18:23
smcginnisSwanson: Could have sworn we had that before. Is that failing for SC? Or all?18:24
SwansonI haven't checked any other tests. I'm not sure this is the only thing killing me but it is sure in there a lot.18:24
smcginnisSwanson: Well, if you see it's not doing something correctly we can see if it can be reverted and fixed.18:25
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Swansonsmcginnis, am I wrong in thinking a connector should have a fc style connector for an fc style terminate_connection?18:53
smcginnisSwanson: That seems the logical thing.18:53
Swansonsmcginnis, oh, even better, getting called with a nonetype connector.18:56
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Swansonsmcginnis, https://github.com/openstack/tempest/commit/7b0eaf8f544cfbaab521a80abfff33e7b637b90d#diff-6d9b8b782b1127781e79e46f8047924bR9319:03
Swansonsmcginnis, Is that valid?19:03
smcginnisSwanson: The connector=None bit?19:04
Swansonsmcginnis, ya19:04
smcginnisHonestly not sure. I wonder if it could be that way if the volume has been detached outside of Cinder and now we're trying to tell Cinder to clean it up?19:05
Swansonsmcginnis, I expect it to be valid. I should check that it is and maybe drop through if it is none rather than choke to death doing a get on a None.19:05
smcginnisSwanson: But in this case, the test just told it it was in error.19:05
smcginnisAnyone else know the correct way?19:06
smcginnisSwanson: Probably not bad to be more robust in the driver about handling it, but doesn't seem quite right.19:06
SwansonFeels like a hemna or jgriffith question. ^^19:06
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Swansonsmcginnis, yeah, I'm going to fix (or at least change) the exception I'm getting but I'm not sure I should do anything with it.19:07
hemnawhat'd I do?19:08
Swansonhemna, You became a great store of knowledge.19:08
hemnaan empty connector?19:08
Swansonyeah, that valid?19:08
smcginnisThinking that's not valid, but then again, if a client doesn't know what do they do.19:09
hemnaok, so the old school way, there was no way to force detach w/ a valid connector19:09
hemnabecause the nova instance was gone19:09
hemnapoof19:09
hemnathe new way19:09
hemnathe connector is stored in the attachments for the volume19:09
hemnaif and only if the attachment happened with the new attach API19:09
hemnawhich, I don't think nova is using yet19:09
hemnaso, yah it's "valid"19:09
smcginnishemna: This is still the old attach API I believe.19:09
hemnabut bad19:09
smcginnishemna: This look right to you? https://github.com/openstack/tempest/commit/7b0eaf8f544cfbaab521a80abfff33e7b637b90d#diff-6d9b8b782b1127781e79e46f8047924bR9319:10
SwansonThis is a v2.1 test?19:10
hemnathe problem is, there is no way for the cinder backend to really detach/terminate_connection properly19:10
hemnawell, some cinder drivers can19:10
hemnabut most can't19:10
hemnathey need the host19:10
smcginnishemna: I suppose if it's not multiattach it can just remove anything, but add in multiattach and how would it know.19:10
hemnathe new API stores the connector for every attach19:11
hemnawell, will19:11
hemnamultiattach is going to have to use the new attachment API19:11
SwansonSo this test is not valid?19:11
hemnais this for a multiattach test ?19:12
smcginnisI don't think so.19:12
hemnathen, I'm afraid it's "valid"19:12
smcginnisAPI v2.19:12
smcginnishemna: So correct driver would be to assume no multiattach and just clean up whatever attachments it sees?19:13
SwansonOkay. Then what should I be doing with it? Can I just drop through? Or am I expected to do something?19:13
hemnait's valid in the sense that the API supports it19:13
hemnabut this is one of the reasons we redid the attachment API in the first place19:13
SwansonI feel a stroke coming on.19:13
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hemnabecause it's broken19:13
smcginnis:)19:14
hemnaheh19:14
hemnabecause the volume drivers can't really do shit with this19:14
hemnaw/o a valid connector the driver can't correctly remove the export19:14
hemnaso yah19:14
hemnait's confusing19:14
SwansonSo what can a test expect the volume driver to actually do? If it can't determine that then the test is not valid.19:14
hemnait's valid and broken at the same time19:14
smcginnisIt's a quantum test.19:15
hemnait depends on the driver19:15
hemnaI think LVM can do it19:15
hemnabut I don't think most storage arrays can correctly19:15
hemnabecause they don't have the connector, re: host19:15
hemnacompletely dependent on the driver and what it does with an empty connector19:15
hemna:(19:15
SwansonIf only we had the PTL in this conversation.19:16
hemnahehe19:16
smcginnisSwanson: So maybe look at the way LVM handles this and see if you can do something similar in SC.19:16
smcginnis:P19:16
hemnaI think most drivers don't work w/o a connector19:16
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smcginnisYet another tempest test that won't work the same across backends. :{19:17
hemnaI'm sure I helped as much as a hammer to a thumb.19:17
smcginnisSwanson: Other option is to skip it.19:17
smcginnishemna: No, that helps a lot. Thanks!19:17
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Swansonhemna, thanks!19:18
hemnaLVM works in this scenario FYI19:18
hemnait doesn't even use the connector19:19
hemnaterminate_connection results in a noop19:19
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Swansonsmcginnis, lvm doesn't do crap with this. pass19:19
hemnaand remove_export does everything19:19
hemnabased on the local lvm info on the volume.19:19
hemnaSwanson, https://github.com/openstack/cinder/blob/master/cinder/volume/targets/iscsi.py#L22019:19
smcginnisSwanson: So just delete any mappings for that volume?19:19
hemnamaybe you can assume that 1) the volume is only managed by Cinder and 2) multi-attach isn't in yet, so 3) there is only every 1 attach to that volume.19:20
hemnaso you can remove the only export19:20
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hemnasome dangerous assumptions in there fwiw.19:20
smcginnisCould be helped a little by checking if there is more than one mapping, with the way SC works.19:21
hemnaI guess you could tests to see how many exports there are for the volume.19:21
hemnaif there is 1 and only 1.  nuke it19:21
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hemnafwiw, the 3PAR can't even find the export w/o the connector.19:21
hemnaheh19:21
hemnare: host19:22
Swansonhemna, I'm disinclined to randomly delete mappings....19:22
smcginnisSwanson: Get all mappings, then randomly delete one. What could go wrong?19:23
hemnait'll be fine19:23
hemnaI said so19:23
hemna:P19:23
smcginnisSwanson: But really, if you know the volume, you're getting a detach call with no connector, and you can see there is only one mapping created for that volume to a host, should be fairly safe.19:23
openstackgerritLee Yarwood proposed openstack/os-brick master: encryptors: Add and default to using missing noop constant  https://review.openstack.org/45193019:24
Swansonsmcginnis, Doesn't even feel 1/4 assed.19:24
smcginnis:)19:24
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SwansonLeaning towards making it just not blow up. Seems any behavior beyond that is valid as no correct (read: consistent) behavior is defined....19:29
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openstackgerritTom Swanson proposed openstack/cinder master: WIP: Dell EMC SC: Nonetype Connector fails.  https://review.openstack.org/45985620:40
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openstackgerritTom Swanson proposed openstack/cinder master: WIP: Dell EMC SC: Nonetype Connector fails.  https://review.openstack.org/45985620:45
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