Tuesday, 2018-09-25

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openstackgerritVipin Balachandran proposed openstack/cinder master: VMware: Implement retype  https://review.openstack.org/60494801:05
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openstackgerritSam Morrison proposed openstack/cinder master: Include availability-zone of a pool in get-pools API request  https://review.openstack.org/59986601:35
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openstackgerritMerged openstack/cinder master: api-ref: mark name as optional in volume create API  https://review.openstack.org/60480303:32
openstackgerritMerged openstack/cinder stable/pike: VMware: Improve scalability of querying volumes  https://review.openstack.org/60440803:33
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openstackgerritiain MacDonnell proposed openstack/os-brick master: Don't give up on iscsiadm -m session  https://review.openstack.org/60496103:42
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LiangFangDoes any export know how to enable python3 for cinder? I mean if the environment only have python3 installed, how to run cinder? thanks.03:50
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openstackgerritVivek Soni proposed openstack/cinder stable/rocky: 3PAR: Update Storage Driver docs  https://review.openstack.org/60344805:03
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openstackgerritLisaLi proposed openstack/cinder-specs master: Driver reinitialization after failure  https://review.openstack.org/59950506:21
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openstackgerritMerged openstack/cinder master: Add policy granularity to the encryption API  https://review.openstack.org/57156308:55
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openstackgerritsuguangfeng proposed openstack/cinder master: Fix create volume error  https://review.openstack.org/60502009:35
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tobias-urdinsmcginnis: sorry for ping, are you here?11:55
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tobias-urdinhaving a issue with rocky, horizon uses cinderclient that calls the cinder v3 api with these requests11:57
tobias-urdinhttp://paste.openstack.org/show/730695/11:57
tobias-urdinbut cinder responds with 400 bad request HTTP exception thrown: Invalid filters status are found in query options.11:57
tobias-urdinis this a bug or is the status field query option removed? or maybe cinder api has started enforcing query options and cinderclient was not updated?11:58
tobias-urdinhttp://localhost:8776/v3/3fad4eac76ae4f3fb8df25ce4e911a3c/snapshots/detail?status=available11:59
tobias-urdinsame for this call /v3/<project>/volumes/detail?bootable=1&status=available12:00
tobias-urdinHTTP exception thrown: Invalid filters bootable,status are found in query options.12:00
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tobias-urdinjungleboyj: sorry for ping, want to verify if this is intentional or a regression, a kind of big one if it is12:12
openstackgerritShay Halsband proposed openstack/cinder stable/queens: XtremIO: support multiattach  https://review.openstack.org/60505112:17
tobias-urdinfound it, probably a packaging issue /etc/cinder/resource_filters.json is not there12:18
tobias-urdinsorry for the noice12:18
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luizbagsmcginnis, jungleboyj could we get some reviews on this: https://review.openstack.org/#/c/599720, please?13:30
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sayalilunkadhi! can anyone help me understand what the provider_location in the cinder volume db is supposed to be?13:48
openstackgerritTiago Pasqualini da Silva proposed openstack/cinder stable/queens: Fix IPv6 for Cinder NetApp ONTAP drivers  https://review.openstack.org/60508214:04
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openstackgerritMaciej Szwed proposed openstack/cinder master: Adding SPDK NVMe-oF target driver  https://review.openstack.org/57275914:08
openstackgerritMaciej Szwed proposed openstack/cinder master: Adding SPDK volume driver  https://review.openstack.org/56422914:08
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LiangFang@smcginnis regarding https://review.openstack.org/#/c/602571/, I added some comments, would you mind to give a review again?:)15:00
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smcginnissayalilunkad: provider_location is up to each driver what they want to use it for.15:38
smcginnissayalilunkad: Some use it to store an internal storage device identifier, some stuff other useful information in there, some don't use it at all.15:38
smcginnisReally up to the driver maintainer if they want to use it and what they want to use it for,15:38
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sayalilunkadsmcginnis: oh ok, thanks!15:44
imacdonngeguileo: you around?15:45
geguileobarely  XD15:45
imacdonngeguileo: :) Wonder if you saw my updates on https://review.openstack.org/#/c/604961/ ?15:46
imacdonner I mean https://bugs.launchpad.net/nova/+bug/173219915:46
openstackLaunchpad bug 1732199 in OpenStack Compute (nova) "test_extend_attached_volume fails with Unexpected compute_extend_volume result 'Error'" [Medium,Confirmed]15:46
geguileono, I didn't look at the bug today15:47
imacdonnThe short version is that os-brick is looking at the stderr of 'iscsiadm -m session' and deciding that it failed, when it actually only produced some warning-type text ... the exit status was 0 ... and this happens when another session is being established at the same time15:48
imacdonnmy assertion is that it should rely on the exit status, log the warning as a warning, and move on15:49
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geguileoimacdonn: were is the other connection being stablished? on the same service?15:49
imacdonnbut I don't know if there's some case where stderr, with an otherwise acceptable exit status, is bad15:49
imacdonngeguileo: no, it was from cinder-backup, at least in the case of the failure case in the bug15:50
mriedemimacdonn: ack, read your updates on the bug report, thanks for digging into that15:50
geguileothe problem is that os-brick is not using file locks15:51
mriedemso cinder-backup is running some periodic task or something? and that's why we hit this intermittently in the gate?15:51
imacdonnI assume it's just another test that tempest is running in parallel15:51
geguileocinder-backup should not have any periodic task afaik15:51
geguileoyup, that could be the case, os-brick should be using file locks15:51
geguileoand iirc it did in the past15:51
geguileoI don't know who removed them, or if I am imagining us using file locks in os-brick15:52
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mriedem2018-09-24 10:56:00.195771 | controller | {2} tempest.api.volume.test_volumes_backup.VolumesBackupsV39Test.test_update_backup [40.188674s] ... ok15:53
mriedem2018-09-24 10:55:33.251780 | controller | {1} tempest.api.volume.test_volumes_extend.VolumesExtendAttachedTest.test_extend_attached_volume [25.490844s] ... FAILED15:53
mriedemthere was a backup test running around the same time as the failed in-use extend test15:53
imacdonnit was probably the next backup test after that15:53
geguileoI'm looking at why we don't have file locks15:54
imacdonnoh no, that's right15:54
mriedemah here15:54
mriedem2018-09-24 10:54:56.689173 | controller | {2} tempest.api.volume.admin.test_volumes_backup.VolumesBackupsAdminTest.test_volume_backup_reset_status [42.044665s] ... ok15:54
mriedem2018-09-24 10:55:33.251780 | controller | {1} tempest.api.volume.test_volumes_extend.VolumesExtendAttachedTest.test_extend_attached_volume [25.490844s] ... FAILED15:54
imacdonnfailure was at 10:55:2615:54
mriedemsure, anyway, there was a backup test before and after the failure in the extend attached volume test15:54
imacdonngeguileo: didn't you (or someone) rework a lot of that code to allow it to work concurrently? the stuff around the manual rescan, etc.15:57
geguileoimacdonn: I reworked it so that it would be more robust and didn't fail all the time15:57
geguileoimacdonn: I was going to work on the concurrency on this release15:58
imacdonnah ok15:58
geguileoand the problem is that we cannot have Nova and Cinder running on the same nova15:58
geguileoand we need to use file locks in os-brick15:58
geguileo"on the same node"15:58
geguileonot on the same nova15:59
imacdonnwouldn't this be an issue if two nova threads tried to do iscsiadm things in parallel too?15:59
geguileonop15:59
geguileowe have locks15:59
geguileothe problem is that they are just locks within the process16:00
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imacdonn@synchronized('extend_volume') .... ok16:01
geguileommmmmm, that could still be a problem16:02
geguileobecause the locks we have are for connect/disconnect16:02
geguileobut extend uses a different one16:02
imacdonnoh, yeah, I went to check for that, and misread it ... I need more coffee16:03
imacdonnso yeah, that is a problem .. seems the lock should be higher-level .. like "this thing involves fiddling with the iscsi initiator"16:04
imacdonnalthough ... the extend case only needs to "read" an existing session16:05
imacdonnso if it can be made that the other tasks don't break that........16:05
geguileobut I'm still not sure why that command is puking... I only knew that iscsi concurrent connect/disconnect "may" run into errors16:05
imacdonnit's not actually failing .. it's just noting, on stderr, that there's an incomplete session that it can't get the info for16:06
imacdonn(is my interpretation)16:06
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imacdonndo you know why os-brick is not just using the exit status?16:07
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geguileoimacdonn: well, if it's not an error and the warning is going to stdout, then the parsing of that output will fail17:04
geguileoimacdonn: and we need that information for that code to work iirc17:04
imacdonngeguileo: parsing of what output ?17:04
geguileoimacdonn: the iscsiadm -m session command17:04
imacdonngeguileo: the output you want to parse goes to stdout, not stderr17:04
geguileoimacdonn: and is that warning going to stderr?17:05
imacdonngeguileo: yes17:05
jungleboyjtobias-urdin:  Thanks for the update.  Sorry I didn't respond earlier.17:05
geguileoimacdonn: then I don't know what it was checking to fail...  But in other cases were that same error has happened we were not getting status 017:06
geguileothough this could be a different case17:06
imacdonngeguileo: it does the usual check_exit_code thing .. 0, 21, 255 and something else are considered OK17:06
imacdonncheck_exit_code=[0, 1, 21, 255])17:07
geguileoOh, I think that was a 21 status code iirc17:07
imacdonn2117:07
imacdonn    ISCSI_ERR_NO_OBJS_FOUND - no records/targets/sessions/portals found to execute operation on.17:07
imacdonnthis is more troubling, though: 1 = ISCSI_ERR - generic error code.17:08
imacdonngeguileo: not sure why exit code 1 is considered acceptable here https://github.com/openstack/os-brick/blob/master/os_brick/initiator/connectors/iscsi.py#L1093-L109417:10
geguileoimacdonn: that, I don't know  :-(17:24
geguileoprobably it's before my time on OpenStack17:24
imacdonngeguileo: yeah, I suspect that a lot of this is due to the way iscsi behaved years ago17:25
imacdonngeguileo: think I'm going to revise my suggested fix to remove [1] from that check_exit_code list17:29
openstackgerritiain MacDonnell proposed openstack/os-brick master: 'iscsiadm -m session' failure handling  https://review.openstack.org/60496117:32
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openstackgerritRaunak Kumar proposed openstack/cinder master: nimble storage: retype support  https://review.openstack.org/60516618:19
openstackgerritRaunak Kumar proposed openstack/cinder master: nimble storage: retype support  https://review.openstack.org/60149218:23
openstackgerritRaunak Kumar proposed openstack/cinder master: nimble storage: retype support  https://review.openstack.org/60149218:26
openstackgerritRaunak Kumar proposed openstack/cinder master: nimble storage: retype support  https://review.openstack.org/60149218:28
openstackgerritMerged openstack/cinder stable/rocky: 3PAR: Update Storage Driver docs  https://review.openstack.org/60344818:30
openstackgerritRaunak Kumar proposed openstack/cinder master: nimble storage: retype support  https://review.openstack.org/60149218:37
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openstackgerritRajat Dhasmana proposed openstack/cinder master: Fix multiattach set to false after retype  https://review.openstack.org/60404018:52
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openstackgerritChuck Short proposed openstack/cinder master: Remove unecessary pass  https://review.openstack.org/60517319:12
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openstackgerritMerged openstack/cinder stable/rocky: VMAX Driver - Initiator retrieval short hostname fix  https://review.openstack.org/60159521:23
openstackgerritJon Bernard proposed openstack/cinder master: RBD: add support for multiattach  https://review.openstack.org/59582721:25
openstackgerritMerged openstack/cinder stable/rocky: LVM: Disable multiattach for LIO iSCSI target  https://review.openstack.org/59649321:27
mriedemis it possible to delete a volume type if there are volumes / snapshots that are using that type?21:34
smcginnismriedem: No, it shouldn't be.21:37
mriedemok;21:37
mriedemquestion came up on the nova change to support passing a volume type during bfv,21:37
mriedemif nova should store the volume type name or id,21:37
mriedembecause if the volume type is deleted and recreated with the same name, the id would change and we could potentially fail to look it up later,21:38
mriedemhaving said that, i don't know that we have any need to look it up later21:38
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smcginnisYeah, as long as that boot volume is there, ID should be safe.21:40
mriedemthis is the case that nova creates the volume using the type21:41
smcginnisBut not sure you would need it later unless doing a full rebuild.21:41
mriedemif we get that rebuild api in cinder, rebuilding a volume-backed server shouldn't require creating a new root volume21:41
mriedemb/c that's one of the complications with doing it that way, plus quota, etc etc21:41
mriedemlooking at DB API volume_type_destroy it looks like if there are any volumes, group_volume_type_mapping or consistencygroups that reference the volume type you get a 40021:42
mriedemcuriously snapshots aren't in that check21:43
mriedembut the snapshots table has a volume_type_id column21:43
mriedemis that a bug?21:43
smcginnisHmm.21:43
smcginnisThere would still need to be one volume if there are snapshots, so I think that is safe.21:43
mriedemhow about encryption?21:44
mriedemmy guess is you might get a referential constraint if you try to delete a volume type that has related encryption records21:45
mriedemoh, well,21:45
smcginnisThat might be the same kind of situation as a snapshot, but not sure.21:45
mriedemmaybe not until archive21:45
smcginnisHmm, but maybe with backups...21:45
mriedemdeleting the volume type just flips the deleted flag21:45
mriedemso the encryption records would still reference the deleted type21:45
mriedemarchive would fail though21:46
mriedemi don't have a devstack handy to test that out though21:46
mriedemmelwitt: re your earlier question about nova-consoleauth in the install guide, i don't know what the best way to call that out in the install docs as it being deprecated besides just putting a note in the section of the install guide(s) that says nova-consoleauth is deprecated; i don't know what all upgrade stuff needs to happen for that so people can stop installing it. on fresh installs i'd think it wouldn't be needed any21:51
mriedem, but that's why i routed the bug to you.21:51
mriedemif you actually have to run the service in rocky then it shouldn't really be deprecated21:51
mriedemmelwitt: crap wrong channel21:55
smcginnis:D21:55
imacdonnsmcginnis: if you're back, this could use a review - not urgent, though: https://review.openstack.org/60423022:05
imacdonnsmcginnis: also would like to get this one finished, but I assume you don't want to +2 your own code :) https://review.openstack.org/59395522:06
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smcginnisimacdonn: I'm at a conference this week, so I'm kind of in and out whenever I get some down time.22:36
imacdonnsmcginnis: ack22:37
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openstackgerritRaunak Kumar proposed openstack/cinder master: nimble storage: retype support  https://review.openstack.org/60149222:53
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