Tuesday, 2015-10-06

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openstackgerritYusuke Hayashi proposed openstack/manila: Fix order of arguments in assertEqual  https://review.openstack.org/23128501:27
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nidhimittalhada@vponomaryov05:11
nidhimittalhadahello Val,  you there ?05:11
nidhimittalhadahttps://bugs.launchpad.net/manila/+bug/143700905:12
openstackLaunchpad bug 1437009 in Manila "share does not have field 'has_snapshots'" [Wishlist,In progress] - Assigned to NidhiMittalHada (nidhimittal19)05:12
nidhimittalhadaDo we plan to see this bug fixed in Mitaka ?05:12
nidhimittalhada@bswartz: hi05:13
nidhimittalhadahttps://bugs.launchpad.net/manila/+bug/143700905:13
openstackLaunchpad bug 1437009 in Manila "share does not have field 'has_snapshots'" [Wishlist,In progress] - Assigned to NidhiMittalHada (nidhimittal19)05:13
nidhimittalhadaDo we plan to see this bug fixed in Mitaka ?05:13
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nidhimittalhada@toabctl: ping06:52
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openstackgerritValeriy Ponomaryov proposed openstack/manila: Verify common server in Generic driver on startup  https://review.openstack.org/23139209:40
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openstackgerritValeriy Ponomaryov proposed openstack/manila: Verify common server in Generic driver on startup  https://review.openstack.org/23139209:42
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openstackgerritNidhiMittalHada proposed openstack/python-manilaclient: Incorrect help of export_path for the manage utility  https://review.openstack.org/23141010:34
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openstackgerritNidhiMittalHada proposed openstack/python-manilaclient: Manila list shows a single export location instead of an array  https://review.openstack.org/23142911:29
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nidhimittalhada@vponomaryov:11:32
nidhimittalhadahi11:32
nidhimittalhadar u there ?11:32
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nidhimittalhadahttps://review.openstack.org/#/c/230967/11:33
nidhimittalhada@vponomaryov11:33
nidhimittalhadaThis is change of API. And every change of API requires bump of microversion.11:33
nidhimittalhadaI got this as review comment11:34
nidhimittalhadacould you kindly guide where do we keep this version ?11:34
nidhimittalhada@bswartz:11:34
nidhimittalhada@bswartz: u there?11:34
nidhimittalhada@toabctl: you there?11:34
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nidhimittalhadacan someone please guide where do we keep microversion, what is the procedure to bump it ?11:44
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vponomaryovnidhimittalhada:  http://docs.openstack.org/developer/manila/devref/api_microversion_dev.html12:18
vponomaryovnidhimittalhada: example of such API change and bump of version - https://github.com/openstack/manila/commit/0460c7a812:21
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openstackgerritMerged openstack/python-manilaclient: Incorrect help of export_path for the manage utility  https://review.openstack.org/23141015:11
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openstackgerritValeriy Ponomaryov proposed openstack/manila: Verify common server in Generic driver on startup  https://review.openstack.org/23139215:36
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SwansonIf one was going to do a manila driver where is the current driver docs?  And what is the deadline for submission?16:07
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vponomaryovSwanson: Liberty is closed. Mitaka is just opened. Existing drivers docs: http://docs.openstack.org/developer/manila/devref/index.html#share-backends16:13
vponomaryovSwanson: there is no detailed doc for one describing steps for writing driver16:14
Swansonvponomaryov, thanks.  I'm looking at Mitaka.16:14
vponomaryovSwanson: After getting familiar with Manila in general, it won't be a problem16:15
Swansonvponomaryov, is there a reference driver?  Generic approach perhaps...16:15
vponomaryovSwanson: approach if similar toCinder's one16:15
vponomaryovs/if/is/16:15
vponomaryovSwanson: we have Generic driver, that uses Cinder as back end16:16
Swansonvponomaryov, thanks!  I'll start poking at manila.16:16
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vponomaryovSwanson: and can be used as reference, but better to look at more than one driver16:16
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Swansonvponomaryov, I find it is always best to compare the reference with a couple vendor drivers.16:17
vponomaryovSwanson: so, If you are going to write new driver, would be good to read existing docs here - http://docs.openstack.org/developer/manila16:17
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vponomaryovSwanson: at first, need to know what features Manila does support and how many of them can be implemented in your driver in general16:18
Swansonvponomaryov, Thanks for the help.  Sorting through all of this now.16:22
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cknightSwanson: Have a look at the NetApp driver.  There are several things there that may be of interest (driver factory, library subclasses for DHSS=true/false, 4-layer architecture (interface shim, library, API client, API transport)).16:31
cknightSwanson: And welcome to Manila.16:31
Swansoncknight, thanks!16:36
alyson_vponomaryov: any problem with jenkins?16:40
vponomaryovalyson_: ?16:41
alyson_vponomaryov:  https://review.openstack.org/#/c/230624/16:42
vponomaryovalyson_: according to logs, devstack takes about 40 minutes to be installed16:43
vponomaryovalyson_: it used to be about 2016:44
vponomaryovalyson_: so, tempest jobs reach job timeout16:44
alyson_vponomaryov: yes, every recheck ended with neutron multibackend timeout16:44
vponomaryovalyson_: so, need to investigate why devstack takes so long16:45
alyson_vponomaryov: its happening only with this patch?16:46
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vponomaryovalyson_: no16:59
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marksturu_glide, https://bugs.launchpad.net/manila/+bug/150339018:13
openstackLaunchpad bug 1503390 in Manila "snapshot status=None while delete is in progress" [Undecided,New]18:13
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bswartztoabctl: ping18:50
Swansonbswartz, when do manila drivers need to be in to make m?19:10
bswartzSwanson: we don't have a deadline, aside from the ordinary feature freeze deadline19:11
bswartzThe new requirement is that now you need working CI19:11
bswartzbefore the driver can get merged19:11
bswartzbut the date is the ordinary feature proposal freeze date19:11
Swansonbswartz, excellent.  Since we haven't started (outside of info gathering) this gives us a shot.19:12
bswartzSwanson: which company do you work for?19:13
SwansonDell19:13
bswartzdo you guys have a cinder driver already and have you setup a CI system for cinder?19:13
Swansonbswartz, yep19:13
bswartzif you've done the CI system before, then yeah I think you won't have a rough time getting a manila driver in Mitaka19:13
bswartzthe CI system has been a barrier for a few vendors though19:14
SwansonYep.19:14
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marksturbswartz, https://bugs.launchpad.net/manila/+bug/150339019:47
openstackLaunchpad bug 1503390 in Manila "snapshot status=None while delete is in progress" [Undecided,New]19:47
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bswartzmarkstur: this feels related to the whole object status race condition discussion19:48
marksturbswartz, Could you prioritize that one?  The bad status (None) is momentary.19:48
bswartzrace conditions of database updates are a wrench in the works for deployers trying to run w/ active-active HA19:49
marksturbswartz, We delete the instance and then the snapshot.  A snapshot with no instances as status=None19:49
bswartzyeah it's dangerous19:50
scottdacknight: Hi. I'd like to talk to you when you've some time about api-microversions19:52
cknightscottda: Sure, anytime.19:53
scottdaFirst, thanks for your hard work. I've ported your code to Cinder....19:53
scottdaI'm told I need to submit a Grenade patch for the upgrade of /etc/cinder/api-past.ini....I'm guessing you had to do the same?19:54
cknightscottda: Cool.  I started with the Nova implementation, and then we added the experimental stuff.19:54
scottdayeah, I'm holding off on experimental until the initial microversion stuff is merged.19:54
cknightscottda: I didn't have to do anything with Grenade, but Manila isn't in the integrated gate so perhaps it wasn't needed.19:54
scottdaahh..ok19:55
scottdaalso, bswartz had told me that you had some problems with the manilaclient?19:55
cknightWell, it was a bit of unforeseen work.19:55
cknightWe wanted the client to support the v1 API.19:55
bswartzscottda: yeah cfouts is the one that encountered the problems19:55
cknightThe key was to change the URL so that a microversioned request that is sent to an older server will be rejected.19:56
cknightNova did the same by moving to v2.1 in their URL.  I expect Cinder would have to do the same.19:56
scottdaOK, I'll look for  that code.19:57
cfoutsscottda: let me know if you are interested in what we had to do in the client. We ported quite a bit of what Nova has implemented but changed a few things.19:58
scottdacfouts: Thanks. I am interested. I've done the server port, now I'm moving on to the client.19:58
cfoutsscottda: there are mailing list threads from June where Nova, Ironic, and Magnum are trying to figure things out. Also some information with the API working group.20:00
cfoutsscottda: I also have this patch for manilaclient: https://review.openstack.org/#/c/229142/20:01
scottdaCool. I'll look at those threads and the patch.20:02
cfoutsyou'll be primarily interested in api_versions.py20:02
scottdaAlso, in manila/doc/source/devref/api_microversion_dev.rst L#199 "A method with only small changes between versions"  ....20:02
scottdaI tried this in cinder/api/contrib/volume_actions.py20:03
scottdaBut, somehow, the methods decorated with @wsgi.action('os-attach') became horribly broken.20:03
scottdaHas anyone in Manila seen this?20:03
scottdaI've dug into it, and something about how the @wsgi.Controller.api_version decorator is working is breaking things.20:04
scottdahttps://www.irccloud.com/pastebin/1iJcMF5N/patch%20that%20breaks%20wsgi.os-actions20:05
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scottdaThat  leads to a failure "os-attach" method not found.20:06
scottdaJust wondering if you had seen such a thing, or done any testing with this?20:07
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scottdacfouts: Was that the openstack-dev mailing list from June 2015? I'm not seeing anything there for api microversion discussion.20:18
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cfoutsscottda: http://lists.openstack.org/pipermail/openstack-dev/2015-June/066957.html20:20
cfoutsscottda: https://review.openstack.org/#/c/18711220:20
cfoutsyou may want to reach out to Alex Xu. I'll probably do so at some point20:21
scottdathanks.20:21
scottdaok20:23
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cknightscottda: The Nova microversion logic doesn't appear to play nice with extensions that don't directly subclass wsgi.Controller.  That doesn't seem to be the issue here, but I'm skeptical about the microversions and extensions.  Manila plans to remove all extensions as soon as we can.20:29
scottdaOK, thanks. We're out to refactor and possibly remove extensions as well.20:30
scottdaI'll keep investigating, and if I determine that it is an actual bug I'll let you know, and file a bug since I'm skeptical of that pattern for the decorator. I didn't find it used by nova or manila anywhere.20:32
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openstackgerritMerged openstack/manila: Fix order of arguments in assertEqual  https://review.openstack.org/23128520:55
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openstackgerritMerged openstack/python-manilaclient: Fix args parsing for quota-class-update  https://review.openstack.org/22724121:07
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