Thursday, 2019-02-14

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tbarron#startmeeting manila15:00
openstackMeeting started Thu Feb 14 15:00:19 2019 UTC and is due to finish in 60 minutes.  The chair is tbarron. Information about MeetBot at http://wiki.debian.org/MeetBot.15:00
openstackUseful Commands: #action #agreed #help #info #idea #link #topic #startvote.15:00
*** openstack changes topic to " (Meeting topic: manila)"15:00
openstackThe meeting name has been set to 'manila'15:00
tbarronping ganso15:00
tbarronping vkmc15:00
gouthamro/15:00
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tbarronping xyang15:00
tbarronping toabctl15:00
gansohello15:00
tbarronping bswartz15:00
toabctlhi15:01
xyanghi15:01
tbarronping erlon15:01
tbarrontping tpsilva15:01
vkmco/15:01
tbarronping tpsilva15:01
tbarronping amito15:01
tbarronthat's our ping list, minus a couple not online15:01
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* tbarron waits 2 minutes15:01
amitoHey15:02
tbarronOK, let's get started.15:03
tbarronHello all!15:03
tbarron#topic Announcements15:03
*** openstack changes topic to "Announcements (Meeting topic: manila)"15:03
tbarronI don't have any.  Anyone else?15:03
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tbarron#topic Vision Reflection15:04
*** openstack changes topic to "Vision Reflection (Meeting topic: manila)"15:04
bswartz.o/15:04
tbarronhi bswartz15:04
tbarronIf you recall Zane Bitter met with us last November regarding the15:05
tbarron(then draft) OpenStack Vision Statement up before the Technical Committee15:05
tbarronSince then it merged as a governance doc and15:06
tbarroneach project was asked to read it over and produce a15:06
tbarron"Reflection" document noting gaps relative to the vision.15:06
tbarronThese gaps would then be the basis for work plans going forwards.15:06
tbarronHere's a reference to the relevant email thread:15:07
tbarron#link http://lists.openstack.org/pipermail/openstack-discuss/2019-February/002678.html15:07
tbarronSo I took a first stab at this:15:07
tbarron#link https://review.openstack.org/#/c/636770/15:08
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tbarronPlease look it over and use the review to note disagreements, stuff missing, and so on.15:08
tbarronLet's use the review for substantive remarks, but any questions or remarks now about what we're trying to do with this document?15:09
tbarronok, hearing none ...15:10
tbarron#topic Schedule reminders15:10
*** openstack changes topic to "Schedule reminders (Meeting topic: manila)"15:10
tbarron#link https://releases.openstack.org/stein/schedule.html15:10
tbarronfeature proposal freeze is 21 February15:11
tbarronfeature freeze and client library freeze is 7 March15:11
tbarronjust reminders.15:11
tbarronquestions? remarks?15:11
gouthamrwe have a new driver proposed :s15:11
tbarron#topic Inspur Instorage driver15:12
*** openstack changes topic to "Inspur Instorage driver (Meeting topic: manila)"15:12
tbarronnew driver submission deadline as 10 January for Stein15:12
tbarronso I put a -2 on the review but added15:12
tbarron-- I hope --15:12
vkmcshall we submit a spec for openstackclient before march 7th?15:13
vkmcit's a community goal for train15:13
tbarrona nice note indicating that they can work the review cycle15:13
tbarronnow and get CI working now and we'll merge them asap in Train.15:13
tbarronvkmc: do we need a spec?15:13
tbarrongouthamr: ....^?15:13
vkmctbarron, well, yes15:13
tbarronvkmc: for trying to recruit interns?15:14
vkmctbarron, no, I'm thinking more on leaving a record of how the new cli would look like15:14
bswartzIt's a bit late for new drivers isn't it?15:14
gouthamrwe kinda agreed we don't need a spec at the PTG, but i'm not opposed to it..15:15
tbarronbswartz: that's why I put a -2 on the review15:15
tbarronbswartz: deadline was 10 January15:15
bswartzIs anyone asking for an exception for that driver?15:15
bswartzOr everyone is okay with targeting next release?15:15
tbarronbswartz: no exception requested so far, just a review posted15:15
tbarronbswartz: I didn't see CI accompanying it15:16
tbarronbswartz: if they get CI going and ask then we can talk about it15:16
tbarronvkmc: gouthamr: who is going to do the spec?15:17
vkmctbarron, I can work on that15:17
tbarronvkmc: gouthamr: it would be a Train spec I think but getting it started now would be great15:17
vkmcsounds good15:17
tbarronvkmc: cool.  gouthamr has done some initial work there.  I think you know how to find him.15:18
vkmcI know gouthamr already have some stuff advanced, so we can work together15:18
vkmcyes15:18
* gouthamr moves to different undisclosed location 15:18
* tbarron enjoys seeing his kids work on projects together15:18
gouthamr:D15:18
tbarronAnything else on schedule or new drivers or the openstack client?15:19
gouthamrnope..15:19
tbarronI'll note that the osc gap and UI api microversion backlog are mentioned in the draft Vision Reflection doc15:20
tbarron#topic tracking our work15:20
*** openstack changes topic to "tracking our work (Meeting topic: manila)"15:20
tbarronthe AZ work is progressing well so the main thing15:20
vkmc:D15:20
tbarronI want to call people's attention to given our15:20
tbarrondeadlines is ganso's work on manage-unmanage-with-share-servers15:21
tbarronhe's posted a number of patches recently15:21
tbarron#link https://review.openstack.org/#/q/topic:bp/manage-unmanage-with-share-servers+(status:open+OR+status:merged)15:21
gansotbarron: thanks Tom15:21
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tbarronPlease put your review eyeballs on and look at them.15:21
tbarronGive them an initial review even if it's clear there's more work to do.15:22
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tbarronganso: anything you want to say on this topic?15:23
gansotbarron: the only patch remaining is the manila-tempest-plugin one, the other patches I don't have anything else to work on, unless there are review comments or bugs found on the tempest patch15:23
gouthamrganso: i don't see a driver implementation15:23
gansogouthamr: there are 215:23
gansogouthamr: it is in that wiki page15:23
ganso#LINK https://wiki.openstack.org/wiki/Manila/SteinCycle#Manage.2FUnmanage_Share_Servers15:24
gouthamrah thanks!15:24
tbarronsorry, I should have pasted that link instead of just that topic15:24
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gouthamrganso: you can set a common topic across all of them.. makes them easier to find15:24
gansogouthamr: will do15:25
tbarronganso: thanks15:25
tbarronok ....15:25
tbarron#topic Bugs15:26
*** openstack changes topic to "Bugs (Meeting topic: manila)"15:26
gansogouthamr: just did =)15:26
gouthamrthanks ganso15:26
tbarronjgrosso isn't here today but ...15:26
tbarrongouthamr has been working with him I hear15:26
tbarrongouthamr: do you have any bugs for us to consider today?15:26
tbarronif not, that's cool, I just sprung this on you ...15:27
gouthamrtbarron: yes, dunno if you guys can see this google doc: https://docs.google.com/spreadsheets/d/1oaXEgo_BEkY2KleISN3M58waqw9U5W7xTR_O1jQmQ74/edit#gid=75808234015:27
tbarrongouthamr: I don't think so, that's why I didn't link it in the agenda15:27
tbarrongouthamr: was going to talk with jgrosso about that ....15:28
tbarronwe'll get it moved to a public place15:28
gouthamryes15:28
gouthamrwe should use https://ethercalc.openstack.org/uc8b4567fpf4 perhaps15:28
tbarronyup15:28
tbarronbut those who can't see it, it's awesome :)15:28
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gouthamrLet's start with triaging this one: https://bugs.launchpad.net/manila/+bug/181553215:30
openstackLaunchpad bug 1815532 in Manila "manila does not return the request ID when using shrink and extend APIs" [High,New]15:30
gouthamrwas found while reviewing a scenario test that nirg (Nir Galboa) was writing15:31
gouthamr#LINK https://review.openstack.org/#/c/531615/15:31
bswartzI can't remember where request IDs appear in the API15:31
bswartzDo you have an example?15:31
gouthamrbswartz: in my brief experimentation, it was whenever there was a response object of any kind being returned15:32
gouthamrbswartz: these APIs are some of the few that only return a code on success15:32
bswartzHow do those get persisted?15:32
gouthamrthey don't, the middleware just sets the response header from the request header15:33
gouthamri.e, manila makes one up afaiu15:33
tbarronjust so I understand, why is this High?15:35
tbarronit's admin only, right?  what will the admin not be able to do, track the request across services?15:36
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gouthamrtbarron: true, coupled with another bug affecting shrink share, it felt like a significant bug15:36
* tbarron observes that many bugs seem to be set to High w/o explanation of why15:36
gouthamr#LINK https://bugs.launchpad.net/manila/+bug/181031515:37
openstackLaunchpad bug 1810315 in Manila "Error status on File Share Creation" [Undecided,Invalid]15:37
tbarrongouthamr: I'm not so much arguing that it shouldn't be, just trying to make sure we understand the impact15:37
gouthamrouch, wrong link15:37
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gansolooks like a generic driver bug ^15:38
gouthamr#LINK https://bugs.launchpad.net/manila/+bug/180242415:38
openstackLaunchpad bug 1802424 in Manila "No user message when share shrinking fails at the driver" [Undecided,New]15:38
bswartzOh THAT request ID15:38
bswartzThe ephemeral one that's used for logging15:38
gouthamryes15:39
bswartzMust be an API bug15:40
tbarronso no mystery about RCA, just need to fix, right?15:40
tbarron"root cause analysis"15:40
* tbarron turns off his jargon button15:40
gouthamryes, i suppose we need someone who has some cycles to investigate and fix - don't expect it to be a large effort15:41
gouthamrbut i think we ought to backport this, even if it has APIImpact, because this is useful for support purposes15:41
bswartzI'm not sure that's a nigh priority15:42
bswartzHigh even15:42
bswartzThe impact would mostly be on logging and troubleshooting15:42
tbarroninclined to agree with bswartz but think it's probably pretty low hanging fruit.  Worth fixing though.15:43
bswartzEasy to fix doesn't mean high priority15:43
gouthamrsure, I'll bump down the priority15:43
tbarronand probably one can just copy the way it's done for the other APIs15:43
tbarronbswartz: +115:43
tbarronideally we'd target to fix by M3 and lower the prio15:44
tbarronanyone want this one?15:44
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gouthamrnope, moving on15:45
gouthamr#LINK https://bugs.launchpad.net/manila/+bug/180812715:45
openstackLaunchpad bug 1808127 in Manila "intermittent tempest duplicate access rule failure" [Undecided,New]15:45
tbarronthis one is very annoying15:45
tbarronI see it with the ceph back ends but so far as I can tell it shouldn't have anything to do with which back end is being used.15:46
tbarronor am I confused about that?15:46
tbarronthe api is supposed to detect duplicates, right?15:47
gouthamrthe error seems to be with the timeout15:48
gouthamr#LINK https://github.com/openstack/manila-tempest-plugin/blob/b96188/manila_tempest_tests/tests/api/test_rules_negative.py#L13815:48
tbarronit sets more than one duplicate in the same test, could there be a teardown cleanup issue?15:48
bswartzDuplicates should be detected and rejected15:48
gouthamrthat's the test the bug references ^15:48
bswartzRight?15:48
tbarronbswartz: yeah, that's the point of the test15:48
gouthamr"Share's access_rules_status failed to transition to active within the required time 500" and this issue is intermittent?15:49
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tbarrongouthamr: to transition to active the backend has to say it did the job, right?15:50
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gouthamrtbarron: did you happen to see this with IPv4 rules, or has it been only with IPv6 - asking because we do have the ignore-ipv6-rule behavior if the driver doesn't support IPv615:50
gouthamrtbarron: yeah, not always15:50
tbarrongouthamr: dunno if it was only ipv6 or not15:50
gouthamrtbarron: we'll probably have to start debugging down that path, if the manager doesn't change the state back to "active" that may be our bug...15:51
tbarroncephfs with nfs currently doesn't support ipv6 -- really only b/c we haven't tested it, I think it will work15:51
gouthamrtbarron: after ignoring the ipv6 rules*15:51
tbarrongouthamr: I can take this one15:51
tbarrongouthamr: will likely need to consult with you though15:52
gouthamrtbarron: cool, clicking the buttons...15:52
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gouthamrnext one:15:53
gouthamr#LINK https://bugs.launchpad.net/manila/+bug/180712615:53
openstackLaunchpad bug 1807126 in Manila "Cannot create shares using generic driver" [High,Confirmed]15:53
gouthamrso the bug has notes, but is still valid/confirmed15:54
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gouthamrhave we discussed this one before?15:54
tbarronwell I don't think the underlying issues for ssh have been fixed, just mitigated15:55
tbarronI suspect some kind of neutron-ovs issue15:55
tbarronwe've set the paramiko timeouts now though so that the initial ssh connection15:55
tbarrondoesn't fail15:55
tbarronit just takes too long15:55
tbarronand then that connection gets re-used15:56
tbarronso carlos is probably ok15:56
tbarronour gate jobs seem to work in this aspect now and they were broken15:56
gouthamrtbarron: ah, okay.. i recall you mentioning that ML2/OVN doesn't have this behavior15:56
bswartzWhat's the problem with the re-use?15:57
tbarronthere's still issues with the tempest ssh client where we don't have control over all the paramiko knobs15:57
bswartzShould be not be using ssh connection pools?15:57
bswartzShould we*15:57
tbarronbswartz: the re-use is good, we don't have to wait all over again, and that part is working15:57
tbarronit's something about the initial ssh header exchange.  I suspect an mtu issue but I wasn't able to "fix" the problem with my mtu experiments.15:58
bswartzOkay15:58
bswartzOh MTU issues are devilish15:58
tbarronand as goutham mentioned I was experimenting with OVN for other reasons and15:58
bswartzYes15:58
tbarronthe issue seems not to appear there15:58
bswartzWhat did you experiment with?15:58
bswartzCan we hack the tap device that we create to have a lower MTU?15:58
bswartzThat might make a huge difference15:59
tbarronOVN, the next gen thing that will replace OVS15:59
tbarronthe ovs-vswitch commands are still there but there are additional capabilities15:59
tbarronI was using developer version of OVN and it might be that dev version of OVS would also work15:59
tbarronbswartz: I tried setting the mtu down on tap and on the VM's interface and it wasn't sufficient16:00
gouthamrtime check16:00
tbarronlike down to 512 or lower16:00
bswartzDown how low?16:00
bswartzOh wow16:00
tbarrongouthamr: thanks16:00
bswartzI would have guessed 1300 was low enough16:01
tbarronwe can continue in #openstack-manila16:01
tbarronThanks everyone!16:01
tbarron#endmeeting16:01
*** openstack changes topic to "OpenStack Meetings || https://wiki.openstack.org/wiki/Meetings/"16:01
openstackMeeting ended Thu Feb 14 16:01:19 2019 UTC.  Information about MeetBot at http://wiki.debian.org/MeetBot . (v 0.1.4)16:01
openstackMinutes:        http://eavesdrop.openstack.org/meetings/manila/2019/manila.2019-02-14-15.00.html16:01
openstackMinutes (text): http://eavesdrop.openstack.org/meetings/manila/2019/manila.2019-02-14-15.00.txt16:01
openstackLog:            http://eavesdrop.openstack.org/meetings/manila/2019/manila.2019-02-14-15.00.log.html16:01
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