Monday, 2016-05-09

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openstackgerritAlex Meade proposed openstack/manila: WIP User Messages  https://review.openstack.org/31354900:56
openstackgerritAlex Meade proposed openstack/manila: Add tempest tests for user messages  https://review.openstack.org/31395100:56
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openstackgerritNidhiMittalHada proposed openstack/manila: Delete Snapshot: status wrongly set when busy  https://review.openstack.org/31199606:26
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openstackgerritMarc Koderer proposed openstack/manila: Add hint how to configure fake_driver in manila-share  https://review.openstack.org/31402108:56
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openstackgerritzhongjun proposed openstack/manila: Add snapshot instances admin APIs  https://review.openstack.org/23465809:58
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openstackgerritMarc Koderer proposed openstack/manila: Add binding_profile option for backends  https://review.openstack.org/28403410:31
openstackgerritMarc Koderer proposed openstack/manila: [WIP] Add multi-segment support  https://review.openstack.org/27773110:31
openstackgerritMarc Koderer proposed openstack/manila: Add neutron driver for binding  https://review.openstack.org/28349410:31
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openstackgerritAlfredo Moralejo proposed openstack/manila: Fixed references for scheduler drivers in doc  https://review.openstack.org/31404911:13
openstackgerritMerged openstack/python-manilaclient: Fix list access function comment  https://review.openstack.org/31392211:29
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openstackgerritMerged openstack/python-manilaclient: Hacking version update and pep8 issues fix  https://review.openstack.org/31249113:00
openstackgerritAlex Meade proposed openstack/manila: Add tempest tests for user messages  https://review.openstack.org/31395113:03
openstackgerritAlex Meade proposed openstack/manila: WIP User Messages  https://review.openstack.org/31354913:03
openstackgerritMerged openstack/manila: Updated from global requirements  https://review.openstack.org/31373413:06
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openstackgerritAlex Meade proposed openstack/manila: Skip over quota tests if quota tests disabled  https://review.openstack.org/31409213:16
ameadebswartz: ^^ so our CI can run tests with unlimited quotas13:17
bswartzameade: o_O13:19
tbarronameade: the patch ^^ is fine, but is the plan to skip quota tests in ordinary operation so that you can have unlimited quotas and not run out b/c of concurrency issues?13:19
bswartzI would assume that disabling quota tests would cause the quota tests to get skipped --- what is the current behavior?13:19
ameadebswartz: it does, that's just one they missed13:19
bswartzoh13:20
tbarronameade: bswartz: i worry abou that as an ordinary mode of operation, as opposed e.g. to setting quotas higher13:20
ameadetbarron: basically13:20
bswartzameade: now LP bug #?13:20
bswartzerr13:20
bswartzno LP bug #?13:20
bswartzit feels like a bug13:20
tbarronameade: or will we re-enable and run a test suite with lower quotas with them enabled?13:20
tbarronameade: seems like we should have a working quota system and test it13:21
ameadetbarron: I just want unlimited quotas on the third party CI, those tests still need to run in gate13:21
bswartztbarron: whether the tests work or not, it's important that they're skippable13:21
bswartzobviously they should work too13:21
tbarronameade: ok13:21
bswartzbut that's a separate issue13:21
ameadebswartz: i'll add a bug13:22
tbarronbswartz: yeah, that's why I said the patch is fine13:22
tbarronand was wondering about the plan13:22
bswartzameade: a bug isn't required, but since it feels like a bug I wanted to check that if one was filed, this change closes it13:22
tbarronwhich now ameade has reassured me about13:22
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ameadetbarron: i'm glad you asked13:22
openstackgerritAlex Meade proposed openstack/manila: Skip over quota tests if quota tests disabled  https://review.openstack.org/31409213:24
ameadebswartz: ^ added bug13:25
mkodererbswartz: there isn't a way to specify which nfs version is used for a share, right?13:26
mkodererbswartz: I think it would be a nice feature to add a version to the share type13:26
mkodereror at least as a config variable in netapp driver13:27
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tbarronmkoderer: in cinder we do this with configured mount options rather than share type, is there a reason for preferring share type?13:28
tbarronmkoderer: just want to understand the use case better13:29
tbarronmkoderer: share type would requre that the backend announce capabilties in this regard, right?13:30
tbarronwhich in case of netapp would mean checking how it is configured13:30
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mkoderertbarron: in netapp drv I saw something like this: https://github.com/openstack/manila/blob/master/manila/share/drivers/netapp/dataontap/client/client_cmode.py#L105013:34
mkoderertbarron: but I got your point.. you mean that the storage can use the latest version but it's up to the client to use an old version13:35
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tbarronis your use case that you have clients that want to use v3?13:39
tbarronmkoderer: ^^13:39
* akerr always wants to use v313:39
tbarronakerr: and how do you do that with manila today?13:40
akerrwhen you mount you can just say mount -t nfs -vers=313:41
akerror whatever the proper syntax is13:41
akerr-o vers=3?13:41
akerrsomething like that13:41
mkoderertbarron: v4 caused a big downtime last week during a failover13:41
tbarronmkoderer: ^^^ does that meet your use case?13:42
tbarronmkoderer: v4 has to renegotiate locks, etc.13:42
ameadei guess theres no way to not allow v413:42
akerrameade: well at least in our case we could have the driver disable v4 on the flexvol13:43
tbarronameade: you can connfigure your  netapp not to do it13:43
tbarronnot recommending that btw13:43
ameadetbarron: if manila isn't creating the share servers13:43
mkoderertbarron: I mean disabling v4 in the storage is quite inflexible.. but can be done with a good reason13:43
mkodererI need to discuss with my team about it ;)13:43
akerrameade: well sure, but in that case you're just using whatever resources are provided13:43
tbarronso just have clients ask for v3 when they mount, right?13:43
akerris there a way to restrict versions in export policies?13:44
ameadeif it's not disabled on the backend, the client can connect with whatever they want13:44
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tbarronameade: +113:45
ameadeis the lesson here that nfs v4 is just too complicated and nobody should use it? :)13:48
tbarronall that said, the nfs v4 lock reclamation in failover issue s/b addrresed too (not by manila team of course)13:48
tbarronhttp://www.ietf.org/mail-archive/web/nfsv4/current/msg02552.html13:48
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tbarronhttps://library.netapp.com/ecmdocs/ECMP1196993/html/GUID-7D9F6845-6412-4BFF-A11B-BF15FD1B9845.html13:48
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ameadephew13:49
tbarronameade: i would say the lesson is that vendors who support it need to understand it and help their customers with it :)13:49
ameadethat's a book13:49
ameadetbarron: ouch, lol13:49
akerrdoesn't redhat support nfs v4 in their OS?13:49
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tbarronameade: and it doesn't have the kind of plot  that means you can't put it down13:50
tbarronakerr: touche13:50
ameadetbarron: true story, not enough killing off characters13:50
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akerrameade just wants more beating up of blind girls13:51
akerrthat does sound pretty bad out of context, please watch the latest GOT episodes :)13:53
tbarronakerr: it was a bit of a conversation stopper13:53
tbarronhaven't started the new GOT series yet13:53
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* ameade double facepalm13:55
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bswartzI saw the episode last night14:01
bswartzAnd I just read that whole nfsv4 lock thing14:01
bswartzit was a page-turner, IMO14:02
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tbarronbswartz: :)14:04
bswartzwe've always tended to dodge the question of NFS versions14:04
bswartzsince servers and clients can support multiple versions and negotiate between themselves14:05
bswartzI can see problems with implementation that CAN'T support multiple versions though14:05
bswartzI guess I had presumed that administrators would communicate their NFS limitations (if any) to their users out-of-band and they could work it out without any special support in Manila14:07
bswartzIf you run an NFSv3-only or NFSv4-only server implementation then the clients just have to deal with that14:08
bswartzCIFS has similar versioning issues although I think Microsoft did a better job of hiding the details from users14:09
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openstackgerritAlex Meade proposed openstack/manila: Skip over quota tests if quota tests disabled  https://review.openstack.org/31409214:20
openstackgerritAlex Meade proposed openstack/manila: User Messages  https://review.openstack.org/31354914:23
openstackgerritAlex Meade proposed openstack/manila: User Messages  https://review.openstack.org/31354914:26
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ameadecknight: https://review.openstack.org/#/c/314092/15:01
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tbarronbswartz: when you have a chance, pls. weigh in on a question posedhttps://review.openstack.org/#/c/313683/ - namely by15:02
ameadeganso: https://review.openstack.org/#/c/314092/15:03
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ameadeganso: wanna just slide that on in?15:03
tbarronnamely, do we need to support old versions of api-paste.ini forever?15:03
tbarronthat should say: posed by https://review.openstack.org/#/c/313683/15:04
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bswartztbarron: this is outside my expertise15:08
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bswartztbarron: do people expect to customize api_paste.ini significantly and to not need to update it when they upgrade?15:08
tbarronbswartz: yeah, that's my question too.15:09
tbarronor even if they don't customize, do they expect not to have to replace it?15:09
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tbarronbswartz: lemme look and see what nova did with this one15:10
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gouthamr_bswartz tbarron when i was reading up releasenotes, one of the common 'upgrade' notes was targeted at updating api-paste ..15:14
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tbarronbswartz: gouthamr: nova isn't really any help.  they still have the compatability shim, with the comment:15:15
tbarron"Remove ... when grenade jobs will start upgrading from juno"15:16
tbarronit's unclear whether they just forgot about removing the shim or decided not to do so15:16
gouthamrtbarron: :) our grenade jobs use the devstack plugin.. which does this setup with oslo_middleware.. its probably a question for toabctl15:17
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tbarrongouthamr: i'm not so worried about grenade - as you pointed out, manila grenade passes b/c api-paste.ini was already using the oslo lib in the last release.15:19
tbarrongouthamr: my concern is with breaking customers15:19
tbarrongouthamr: bswartz: risk isn't that high for manila of having kilo customers who don't expect to have to change that file15:20
gouthamrtbarron: true... but it's an API change.. standard deprecation policy, no? https://governance.openstack.org/reference/tags/assert_follows-standard-deprecation.html15:20
tbarrongouthamr: bswartz: manila wasn't announced as production ready yet15:21
tbarrongouthamr: bswartz: but cinder ...15:21
* tbarron continues the cinder-overflow-channel tradition15:22
gouthamrtbarron: that's true..15:22
gouthamris there like an upgrade do's and don'ts guide :)15:22
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tbarrongouthamr: bswartz: maybe an upgrade reno is sufficient.  and if rolling upgrades were supported, updating api-paste.ini before beginning the upgrade would be part of that doc.15:24
gouthamrtbarron: +115:25
tbarrongouthamr: bswartz: ok, I'll update the reno and remove the workflow -1 and let the rest of this issue get hashed out in review.  Just didn't want this to merge without full consideration.15:26
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gansobswartz, xyang_ , markstur, cknight, vponomaryov: Could you please take a look at this backport patch when you get some spare time? Thanks https://review.openstack.org/#/c/313528/16:13
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openstackgerritSumit Kumar proposed openstack/manila: Fix docs for REST API history and Scheduler  https://review.openstack.org/31310716:26
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bswartztbarron: if the concern is rolling upgrades, then you can ignore it, because we definitely don't support that now16:32
bswartzif the concern is about all kinds of upgrades, then we need to look more closely about how that file is handled during ordinary upgrades16:33
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openstackgerritGoutham Pacha Ravi proposed openstack/manila: Fix share server info in CGs created from CGs  https://review.openstack.org/31296316:59
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openstackgerritAlfredo Moralejo proposed openstack/manila: Fixed references for scheduler drivers in doc  https://review.openstack.org/31404917:29
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openstackgerritTom Barron proposed openstack/manila: Remove deprecated manila RequestBodySizeLimiter  https://review.openstack.org/31368318:28
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openstackgerritGoutham Pacha Ravi proposed openstack/manila: Remove deprecated manila RequestBodySizeLimiter  https://review.openstack.org/31368319:40
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openstackgerritTom Barron proposed openstack/manila: Remove deprecated manila RequestBodySizeLimiter  https://review.openstack.org/31368321:10
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