Wednesday, 2016-12-14

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openstackgerritBen Swartzlander proposed openstack/manila-specs: Eliminate Race Conditions Spec  https://review.openstack.org/39625500:51
tommylikehuping zengyingzhe_01:00
tommylikehubswartz: around?01:01
tommylikehubswartz I have a question about your comments on IPv6 spec line #6101:03
tommylikehuare you suggesting we could have a configuration for two booleans? eg. network_plugin_ip_versions=True,True01:03
bswartztommylikehu: yeah I'm here01:04
bswartztommylikehu: good morning01:04
bswartztommylikehu: I think that each plugin should be able to be configured for ipv4, ipv6, or both01:05
tommylikehubswartz: good evening :)01:05
bswartzso the plugin needs 2 options like xyz_ipv4_enabled=True/False and xyz_ipv6_enabled=True/False01:06
bswartzit would be an error to set both to false01:06
bswartzI'm not sure exactly what the options should be called01:06
bswartzbut ipv4 and ipv6 should be part of the 2 names01:06
tommylikehuit seems that this would add some complexity01:08
bswartzI thought it was just a clearer way to express what you already proposed01:09
bswartzmaybe I misunderstood your proposal01:09
tommylikehuok01:10
tommylikehuso we will have two seperated options and still mark the 'standalone_plugin_ip_version' option deprecated?01:10
bswartzoh that's a good point about the standalone plugin01:11
bswartzI was considering suggesting that we allow using multiple plugins at the same time, and only allowing each plugin to support either v4 or v601:11
bswartzhowever that seems silly when the neutron plugin is the one more commonly used and neutron subnets can have v4 and v6 on the same network01:12
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tommylikehuwe do allow multiple plugins at the same time currently, do we?01:12
bswartzdo or don't?01:13
tommylikehudo01:13
bswartzthere should only be 1 plugin per backend01:13
bswartzwell you can have a second one for admin export locations01:13
tommylikehuok01:13
bswartzbut just 1 normal one and 1 admin one01:13
bswartzallowing multiple seems like it will create more problems01:14
bswartztherefore we should fix the standalone plugin to support both versions in a single instance01:14
bswartzand I think you're right, we'll have to deprecate that option01:14
tommylikehugot it01:14
tommylikehuxyang1: still around?01:18
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openstackgerritBen Swartzlander proposed openstack/manila-specs: Eliminate Race Conditions Spec  https://review.openstack.org/39625503:16
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openstackgerritzhongjun proposed openstack/manila-specs: Add spec for enable IPv6 in manila  https://review.openstack.org/36278607:07
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openstackgerrityankee proposed openstack/python-manilaclient: Fix manila share-type that <is> true or false can't use  https://review.openstack.org/41007408:22
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openstackgerritRodrigo Barbieri proposed openstack/manila: [DNM] Debug  https://review.openstack.org/40817709:56
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gansobswartz: pong09:56
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openstackgerritzhongjun proposed openstack/manila: Report IPv4 capabilities for IP drivers  https://review.openstack.org/40677610:02
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openstackgerritValeriy Ponomaryov proposed openstack/manila: [DNM] debug 3.0  https://review.openstack.org/41036610:23
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openstackgerritNidhiMittalHada proposed openstack/manila: Invalid ID should return NotFound exception  https://review.openstack.org/41068210:45
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openstackgerrityankee proposed openstack/python-manilaclient: Fix manila share-type that <is> true or false can't use  https://review.openstack.org/41007412:07
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openstackgerritRodrigo Barbieri proposed openstack/python-manilaclient: Implement Share Migration Ocata improvements  https://review.openstack.org/40630612:07
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openstackgerritRodrigo Barbieri proposed openstack/manila-ui: Implement Share Migration Ocata improvements  https://review.openstack.org/40630712:16
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openstackgerritTiago Pasqualini da Silva proposed openstack/manila: Add create_share_from_snapshot_support extra spec  https://review.openstack.org/35668212:21
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openstackgerritValeriy Ponomaryov proposed openstack/manila: [DNM] debug 3.0  https://review.openstack.org/41036612:46
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openstackgerritTiago Pasqualini da Silva proposed openstack/manila: Add mountable snapshots support  https://review.openstack.org/34552612:52
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openstackgerritzhongjun proposed openstack/manila: Report IPv4 capabilities for IP drivers  https://review.openstack.org/40677613:40
openstackgerritzhongjun proposed openstack/manila-specs: Add spec for enable IPv6 in manila  https://review.openstack.org/36278613:40
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openstackgerritDigvijay Ukirde proposed openstack/manila: Add support for manage/unmanage in GPFS driver  https://review.openstack.org/37470513:55
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bswartzganso: you're up early14:17
bswartzganso: I wanted to talk to you about https://review.openstack.org/#/c/396255/ but I went ahead and updated the spec last night because you weren't around -- pls take another look14:17
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openstackgerritBen Swartzlander proposed openstack/manila-specs: Eliminate Race Conditions Spec  https://review.openstack.org/39625514:26
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gansobswartz: not really, timezone difference between BR and US has changed14:50
gansobswartz: I saw14:50
gansobswartz: I think it is good now, I was indeed referring to the state changes14:51
gansobswartz: not locking changes14:51
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bswartzganso: ty15:04
bswartzganso: it says you replied at 4:56 AM my time -- what time was that for you?15:05
gansobswartz: 7:5615:05
bswartzwow 3 hours different15:05
bswartzI thought we were only 1 hour apart15:06
gansobswartz: we were, before daylight savings here in BR15:06
bswartzoh!15:07
bswartzyou're in the southern hemisphere so it's summer for you15:07
gansobswartz: markstur and I are now 6 hours apart15:07
gansobswartz: yes15:07
bswartzso your DST it opposite ours - that's crazy15:08
gansobswartz: it is summer here, hot as hell15:08
bswartzlol15:08
bswartzI've only been to southern hemisphere one time, and it was july15:08
gansobswartz: in july the weather is nice15:09
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openstackgerritValeriy Ponomaryov proposed openstack/manila: [DNM] debug 3.0  https://review.openstack.org/41036615:36
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openstackgerritBen Swartzlander proposed openstack/manila-specs: Eliminate Race Conditions Spec  https://review.openstack.org/39625516:15
openstackgerritTiago Pasqualini da Silva proposed openstack/manila: DO NOT MERGE  https://review.openstack.org/41084016:18
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bswartzganso: how do you create a link in rst?16:24
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gansobswartz: example: see `Documentation Impact`_ section16:25
gansobswartz: then: _`Documentation Impact`16:25
gansobswartz: so basically it is `xxx`_   to create the link and _ `xxx` for the target16:26
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vponomaryovbswartz: look at scenario tests spec for example of inner links16:30
bswartzwhoever invented RST was insane...16:31
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gansobswartz: insanely clever? :P16:31
bswartz>_<16:32
vponomaryovbswartz: have you seen comments for pS*?16:36
vponomaryovps816:36
vponomaryovhttps://review.openstack.org/#/c/396255/8..9/specs/ocata/eliminate-race-conditions.rst16:36
bswartzvponomaryov: yeah I'm working on next update16:36
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openstackgerritBen Swartzlander proposed openstack/manila-specs: Eliminate Race Conditions Spec  https://review.openstack.org/39625516:46
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xyang_bswartz: hi, when are you planning to cut O-2?  is it tomorrow?17:11
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marksturWhere's gouthamr?17:43
marksturJust looking at a review by gouthamr.  I'm pretty sure he's pushing for taskflow.17:44
* markstur ducks17:44
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bswartzxyang_: yeah I'll do it in the afternoon18:07
bswartzxyang_: most important thing is to square away remaining specs18:08
bswartzmarkstur: gouthamr is on PTO this week18:11
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xyang_bswartz: afternoon today?18:12
bswartzxyang_: tomorrow -- why does it matter?18:12
marksturbswartz: OK. So we'll hold-off on adding taskflow to the GPFS driver to satisfy GPR's concerns18:12
xyang_bswartz: I just want to know if I need to review the specs by today or tomorrow.  tomorrow is fine18:13
bswartzxyang_: cutting the milestone is unrelated to the specs deadline18:13
bswartzxyang_: they're both this week but they don't have to be literally the same time18:13
xyang_bswartz: unrelated?  you want to get those specs in by O-2, I assume?18:14
bswartzxyang_: regarding the specs I'd like to have them merged by tomorrow's meeting18:14
xyang_bswartz: okay18:14
bswartzotherwise we'll probably spend the meeting dealing with any remaining issues18:14
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bswartzmarkstur: I get the sense that you're joking but still I'm curious to know what the underlying issue is18:40
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marksturbswartz: Classic case of if you do some of these commands and then one fails, you're not un-doing your previous steps.19:24
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marksturbswartz: So that was something GPR caught in a review.  And I'm the one saying. Hey isn't that what taskflow does? (but keeping that between you and me)19:24
marksturbswartz: So I wanted to call gouthamr out on that so that your chair would be thrown in his direction.19:25
marksturbswartz: I suppose instead of taskflow there will be if did_this then undo_this(); if did_that then undo_that() logic in the code.  Need to revisit.19:26
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bswartzmarkstur: yeah it's a generic problem any time the driver has to do something multi-step which can fail partway through19:47
bswartzhowever it's only and issue if you intend to automatically roll forward or roll back the operation, and in either of those cases there are many possible approaches19:48
bswartzIMO the simplest correct approach is to implement robust cleanup logic which can detect the current state and roll back no matter how far the operation proceeded19:48
bswartzif detecting the current state is hard, you can cheat by storing the state in the DB as you go19:49
bswartztaskflow is basically a formalized embodiment of that approach, but with too much complexity and external dependencies19:50
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openstackgerritBen Swartzlander proposed openstack/manila-specs: Eliminate Race Conditions Spec  https://review.openstack.org/39625520:31
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openstackgerritBen Swartzlander proposed openstack/manila-specs: Eliminate Race Conditions Spec  https://review.openstack.org/39625520:41
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openstackgerritVictoria Martinez de la Cruz proposed openstack/manila: Setting up a development env with devstack instructions  https://review.openstack.org/40827521:47
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openstackgerritVictoria Martinez de la Cruz proposed openstack/manila-ui: Only show available share protocols on share creation modal  https://review.openstack.org/37280522:50
vkmcmanila folks, could someone review https://review.openstack.org/#/c/409944/22:52
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