Monday, 2016-01-04

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openstackgerritTomoki Sekiyama proposed openstack/cinder: Fix image volume creation error  https://review.openstack.org/26308101:36
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openstackgerrithuanan proposed openstack/cinder: Huawei: Add manage/unmanage snapshot support  https://review.openstack.org/26115601:59
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openstackgerritwanghao proposed openstack/cinder: Add pagination support to volume type  https://review.openstack.org/26144802:07
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openstackgerritdongwenjuan proposed openstack/cinder-specs: Add ServiceGroup using Tooz driver  https://review.openstack.org/25896802:57
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hunters1094hi all03:10
hunters1094happy new year03:10
openstackgerritPeter Wang proposed openstack/cinder: Fix race condition when Toggling SP  https://review.openstack.org/26213503:14
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hunters1094hi all03:34
hunters1094happy new year03:35
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hunters1094are there anyone here?03:41
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openstackgerritFelixLi proposed openstack/cinder: Fix some inconsistency in docstrings  https://review.openstack.org/26310404:11
openstackgerritMerged openstack/cinder: Updates consistency group for ibm svc driver  https://review.openstack.org/25976604:12
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openstackgerritXinXiaohui proposed openstack/cinder: update remove_export() with versionedobjects  https://review.openstack.org/26312706:10
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openstackgerritchenzongliang proposed openstack/cinder: Huawei: Refactor driver for the second time  https://review.openstack.org/25692006:24
openstackgerritAlan proposed openstack/cinder: syntax error, Change from "an volume" to "a volume" changed files: ./api/v2/views/volumes.py:46:        """Generic, non-detailed view of an volume.""" ./db/api.py:244:    """Set the given properties on an volume and update it. ./scheduler/driver.py:37:     https://review.openstack.org/26313606:25
shyamahi i have a question about pool aware cinder scheduler. Are there are list of cinder drivers that support pool aware?06:27
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openstackgerritchenzongliang proposed openstack/cinder: Huawei: Support huawei consistency group  https://review.openstack.org/26093006:34
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openstackgerritchenzongliang proposed openstack/cinder: Huawei: Refactor driver for the second time  https://review.openstack.org/25692007:48
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openstackgerritAlan proposed openstack/cinder: syntax error,Wrong usage of charater 'an',so changed from "an volume" to "a volume".  https://review.openstack.org/26313607:51
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openstackgerritAlan proposed openstack/cinder: Grammatical mistake in defining articles.  https://review.openstack.org/26313608:21
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openstackgerritVincent Hou proposed openstack/cinder: Storwize: Implement v2 replication (split IO)  https://review.openstack.org/23738708:25
flip214smcginnis: thanks for +1 on 256292!08:25
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openstackgerritwanghao proposed openstack/cinder: Add pagination support to consistency group  https://review.openstack.org/26238708:28
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openstackgerritTomoki Sekiyama proposed openstack/cinder: Fix image volume creation error  https://review.openstack.org/26308108:36
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openstackgerritVincent Hou proposed openstack/cinder: Storwize: Implement v2 replication (split IO)  https://review.openstack.org/23738708:46
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openstackgerritAlan proposed openstack/cinder: Fix grammatical mistake in defining articles.  https://review.openstack.org/26313608:50
openstackgerritVincent Hou proposed openstack/cinder: Storwize: Implement v2 replication (split IO)  https://review.openstack.org/23738708:59
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openstackgerritPetrut Lucian proposed openstack/cinder: [WIP] Refactor Windows drivers using os-win  https://review.openstack.org/24356509:29
openstackgerritLisaLi proposed openstack/cinder: Add backup rename function  https://review.openstack.org/26317909:30
openstackgerritLisaLi proposed openstack/python-cinderclient: Add backup-rename  https://review.openstack.org/26318409:32
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openstackgerritVincent Hou proposed openstack/cinder: Storwize: Implement v2 replication (mirror)  https://review.openstack.org/24904209:33
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openstackgerritVincent Hou proposed openstack/cinder: Storwize: Implement v2 replication (mirror)  https://review.openstack.org/24904209:46
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hunters1094hi all09:58
hunters1094are there anyone here?09:58
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openstackgerritAnkit Agrawal proposed openstack/python-cinderclient: Add request_ids attribute to resource objects  https://review.openstack.org/25718711:55
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openstackgerritAnkit Agrawal proposed openstack/python-cinderclient: Add request_ids attribute to resource objects  https://review.openstack.org/25719512:09
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openstackgerritHouMing Wang proposed openstack/cinder: Python 3: Replace reduce and xrange with six.moves  https://review.openstack.org/26252612:17
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openstackgerritSzymon Wróblewski proposed openstack/cinder: Remove race conditions from transfer API  https://review.openstack.org/25749512:32
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openstackgerritSzymon Wróblewski proposed openstack/cinder: Update initialize_connection to use versionedobjects  https://review.openstack.org/23889412:37
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openstackgerritSzymon Wróblewski proposed openstack/cinder: Update replication to use versionedobjects  https://review.openstack.org/23890612:46
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openstackgerritAnkit Agrawal proposed openstack/python-cinderclient: Add request_ids attribute to resource objects  https://review.openstack.org/25719913:02
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openstackgerritWilson Liu proposed openstack/cinder: Huawei: Balanced FC port selection when zoning  https://review.openstack.org/26115113:03
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openstackgerritYuriy Nesenenko proposed openstack/cinder: Fix service-list filter  https://review.openstack.org/26325713:34
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openstackgerritRonen Mesonzhnik proposed openstack/cinder-specs: Support backup import on another Storage database  https://review.openstack.org/24917613:43
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openstackgerritYuriy Nesenenko proposed openstack/cinder: Fix service-list filter  https://review.openstack.org/26325713:47
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bluexgeguileo_phone: hi13:54
geguileo_phonehi13:55
bluexwould you mind if I ressurect https://review.openstack.org/#/c/205839 ?13:55
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openstackgerritSzymon Borkowski proposed openstack/cinder: Update create_snapshot to use volume object  https://review.openstack.org/26061814:03
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openstackgerritRyan Rossiter proposed openstack/cinder: Add BackupStatus enum field  https://review.openstack.org/25673714:38
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jhnlwhere can I find a detailed description of the API a driver should implement?15:21
openstackgerritSzymon Borkowski proposed openstack/cinder: Update restore_backup to use volume object  https://review.openstack.org/26202415:21
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openstackgerritJordan Pittier proposed openstack/cinder: Scality SOFS: don't always read /proc/mounts twice  https://review.openstack.org/25091515:35
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e0nejhnl: hi. here is a minimum features set for drivers http://docs.openstack.org/developer/cinder/devref/drivers.html15:49
openstackgerritSzymon Wróblewski proposed openstack/cinder: Replace locks in volume manager  https://review.openstack.org/18564615:49
openstackgerritSzymon Wróblewski proposed openstack/cinder: Start/Stop coordinator with Services  https://review.openstack.org/26331315:49
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openstackgerritSzymon Wróblewski proposed openstack/cinder: Snapshot missing field  https://review.openstack.org/26331715:56
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openstackgerritRyan McNair proposed openstack/cinder: Support oversubscription for IBM Storwize/SVC  https://review.openstack.org/24536016:03
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openstackgerritHarshada Mangesh Kakad proposed openstack/cinder: Fixing the deprecated library function.  https://review.openstack.org/26272916:04
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hemnamorning16:24
hemnahappy new year and all that16:25
savihouHello Everyone, a noobs question, I'm trying to test our third party CI system connectivity to gerrit, and keep failing with my exisiting keypair, ssh will not work as well. What should be the valid status of the ssh pub key at review.openstack.org settings ?16:25
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savihoudismiss my question, username typo ,  (face palm)16:28
smcginnissavihou: Might be a good question to pose on #openstack-infra. What happens if you try to ssh in?16:28
smcginnissavihou: Hah, good, that's an easy one. :)16:28
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savihousmcginnis: Thanks :)16:28
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e0nehemna: welcome back16:37
hemnae0ne, thanks.  I'm here physically at least :)16:38
e0ne:)16:38
openstackgerritTom Swanson proposed openstack/cinder: Dell SC: Implements Replication V2  https://review.openstack.org/24486716:38
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scottdamorning hemna16:55
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scottdaand everyone else16:55
smcginnis:)16:56
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jungleboyjHappy new year all.16:58
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smcginnisjungleboyj: Happy new year!17:02
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jungleboyjsmcginnis: Have a good break?17:03
sheeljungleboyj: Thanks jay, Happy new year to you too!!!17:04
smcginnisjungleboyj: Yeah, good time. I wish I had more down time to get things done, but I was able to forget about work for awhile.17:04
smcginnisjungleboyj: How about you?17:04
jungleboyjsheel: You are welcome.  Happy New Year to you as well!17:04
openstackgerritDoug Schveninger proposed openstack/cinder: Adding action to policy.json  https://review.openstack.org/26299217:05
jungleboyjsmcginnis: The same.  Lots of traveling to and from Iowa.  Didn't have as much time to get stuff done in the Lake House as hoped.17:05
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jungleboyjsmcginnis: Though, I had 8 days with my family which was wonderful and the boys had good time with my family too.  So, very good.17:06
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smcginnisjungleboyj: +1 :)17:07
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ildikovhemna: Hi! Happy New Year! :)17:15
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openstackgerritAlex O'Rourke proposed openstack/cinder: Optimize 3PAR array ID retrieval  https://review.openstack.org/26335517:18
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openstackgerritAlex O'Rourke proposed openstack/cinder: Optimize 3PAR array ID retrieval  https://review.openstack.org/26335517:48
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hemnaphew18:00
hemnafun way to start the year! wee!18:00
hemnaildikov, Happy New year to you.18:00
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openstackgerritAnthony Lee proposed openstack/cinder: 3PAR: Adding volume checks to manage snapshot API  https://review.openstack.org/26072818:01
Swansonxyang, backup via snapshots requires no driver support, right?18:01
Swansonxyang, other than support for snapshots in the first place.18:02
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jungleboyjhemna: smcginnis eharney jgriffith Would be good to get this looked at:  https://review.openstack.org/#/c/256737  We have a bunch of similar patches behind it that will be easier to get in if we can get this first one merged.18:04
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hemnajungleboyj, ok I'll check it18:04
smcginnisjungleboyj: Looking...18:04
jungleboyjThank you guys.18:04
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openstackgerritAnthony Lee proposed openstack/cinder: 3PAR: Adding volume checks to manage snapshot API  https://review.openstack.org/26072818:05
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hemnaso, we need an enum for backup status ?18:08
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hemnadon't we already have backup status as a text field ?18:08
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hemnathe commit message doesn't really explain why this is needed.18:08
xyangSwanson: hi, yes.  backup snapshot should work for any driver that already has backup volume support18:08
hemnais there a spec on this ?18:08
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Swansonxyang, backup volume support? I did not override the base on that one.  It didn't look like I needed to.  Am I incorrect?18:11
hemnasmcginnis, shouldn't there be a spec on this18:11
hemnathis seems to be duplicating fields in the db18:11
hemnaI can see this causing all sorts of confusion18:12
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smcginnishemna: Using enums seemed to be a good thing. I didn't think it was a big enough change to need a spec, but if you think that's an issue, I certainly don't think it would hurt.18:13
hemnawell18:14
smcginnishemna: Very possible I don't understand all the implications of this.18:14
hemnathe problem is now we'll have multiple fields in the DB and the object to store the same data.18:14
hemna:(18:14
hemnamaybe I'm paranoid, but this seems like a source of future pain.18:14
smcginnishemna: Upgrades are probably an issue too, aren't they?18:14
hemnayah could be18:15
hemnamaybe I have this wrong, dunno.18:15
hemnawould be nice to get some clarification on it though.18:15
hemnaso, sorry for the -1, but I think it's worth discussing18:15
smcginnishemna: Yeah, you're absolutely right.18:15
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hemnaok I'm wrong18:16
hemnaheh18:16
hemnanm18:16
smcginnishemna: What part?18:16
hemnait's not what I thought it was18:16
hemnaI thought the patch was going to add enum fields in the DB18:16
hemnato track the status18:16
hemnaas well as the text field18:16
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hemnait doesn't look like it does that18:17
smcginnishemna: I was wondering where the DB part came in. ;)18:17
hemnaok, don't mind me......I'll go sit in the corner.18:17
smcginnishemna: Still good to question!18:17
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manoushello18:21
jungleboyjhemna: Sorry, was grabbing lunch.18:21
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jungleboyjhemna: Back now.18:21
manousi use volume to create instance18:22
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manousi have this error "The volume cannot be assigned the same device name as the root device vda"18:22
hemnajungleboyj, no worries.  false alarm18:22
hemnaI haven't gotten my OpenStack gloves back on yet after vacation18:22
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jungleboyjhemna: No problem.  No, the idea is just to make status fields easier to maintain using enum fields in the objects.18:23
hemnayah cool with me18:24
hemnaI was worried it was a new DB field18:24
hemnabut that's what I get for reading the commit message.18:24
jungleboyjNo.  It is going to take some work to get things switched over but should be better in the long run.18:25
hemnaso we just have to be careful because Nova isn't using any enums to access status fields.18:26
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ildikovhemna: :)18:28
ildikovhemna: have you seen the comment I added on the Nova part of that detach Cinder bug fix?18:29
dulekhemna: Ah, good point on Nova. Maybe we should add an module with enums to the client? That would be hard to keep in sync tough…18:29
hemnanotmorgan, I haven't been able to do much yet today18:29
hemnabah18:30
hemnaxchat18:30
hemnanotmorgan,18:30
hemna!!18:30
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openstackhemna: Error: "!" is not a valid command.18:30
hemnaI give up18:30
dulek:D18:30
smcginnis:)18:30
hemnaevidently I can't type "no,"  in xchat18:30
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hemnaThe struggle is strong with this one.18:31
jungleboyjhemna: So, I am thinking that they would eventually be moving there.  Ryan, who submitted the patch, is a Nova guy.  :-)18:31
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hemnadulek, maybe we can eventually send the versioned objects over the wire to nova in a different api.18:32
hemnameh18:32
hemnathat also sounds like pain though.18:32
SwansonBloody hell.  Was spoiled last week.  Gate was only 21 deep last week.  190 this week.18:32
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hemnaeveryone is back.  how many patches can we cram in...now!18:33
dulekhemna: Nova would need to import our versioned objects. Not sure if Nova is importing cinder code anywhere?18:33
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e0nedulek: it shouldn't import cinder directly. everybody must use cinderclient18:34
jungleboyjhemna: Thanks for -1'ing and then merging.  :-)  Happy New Year.18:35
duleke0ne: Sure, that's how I thought it should be.18:35
hemna:)18:35
hemnadulek, it's not18:35
hemnadulek, there was a short discussion a while back about adding versioned objects to brick as well, since the contract between cinder and brick as well as nova and brick should be more contractual18:36
hemnaright now it's just dicts that are supposed to have the right things.18:36
hemnathat's a cross project issue that we all should chew on18:37
hemnakinda the same problem really.18:37
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dulekWell, standard REST API contract applies, but this surely isn't automatically enforced.18:40
hemnasure18:40
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mriedemgiven how often this shows up in successful runs, it maybe shouldn't be a warning, but maybe info18:44
mriedemhttp://logstash.openstack.org/#dashboard/file/logstash.json?query=message%3A%5C%22Unable%20to%20get%20Cinder%20internal%20context%2C%20will%20not%20use%20image-volume%20cache.%5C%22%20AND%20tags%3A%5C%22screen-c-vol.txt%5C%22%20AND%20voting%3A%5C%221%5C%2218:44
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dulekxyang: Hi, can we talk about https://review.openstack.org/#/c/247763/ ?18:45
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xyangdulek: sure, what's up18:46
dulekxyang: This is failing some EMC driver tests added before holidays and I have trouble figuring out how to proceed.18:46
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dulekxyang: Tests were introduced by https://review.openstack.org/#/c/243017/18:46
patrickeastmriedem: seems like a pretty reasonable change to make, although maybe even better if it wouldn't show up at all unless the image cache is enabled, iirc for those jobs it isn't18:46
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mriedemhow easy is it to enable the image cache in devstack?18:47
dulekxyang: I've tracked this to line: https://github.com/openstack/cinder/blob/master/cinder/tests/unit/test_emc_vnx.py#L207518:47
mriedempatrickeast: i brought it up b/c sdague pointed this out http://logs.openstack.org/05/258005/2/gate/gate-grenade-dsvm-multinode/226ccd7/logs/old/screen-c-api.txt.gz?level=DEBUG#_2016-01-04_17_15_11_30818:47
patrickeastmriedem: pretty easy, just got to turn it on with a config option and setup the internal tenant18:47
openstackgerritAnthony Lee proposed openstack/cinder: LeftHand: Implement un/manage snapshot support  https://review.openstack.org/25501518:47
xyangdulek: which tests are failing?  CI passed18:47
dulekxyang: Without my patch this line does nothing, as volume_metadata isn't an alias, so isn't actually setting anything.18:47
dulekxyang: It's just unit tests.18:47
xyangoh, let me see18:48
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dulekxyang: Now with my patch test starts to fail - as "volume['volume_metadata'] = sth" starts to do something meaningful.18:48
hemnagah18:48
hemnaback to this horrible gerrit UI18:48
hemnahow do you do a search in the page now ?18:49
dulekxyang: That's why I believe there's logical mistake either in test (hopefully) or driver logic.18:49
hemnactrl-f brings up some internal POS18:49
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dulekhemna: Just click somewhere on top and use ctrl+f. But still this won't search the code that's not visible.18:49
hemna:(!!18:49
hemnathat makes the code view patch useless.18:49
hemnaWTF18:49
hemnapage18:50
smcginnisctrl-f or / searches the code, but doesn't work very well. :[18:50
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hemnaholy crap, I didn't realize that bug until now18:50
dulekhemna: Hm, you may see if setting render to "slow" doesn't make it load all the code at once.18:50
patrickeasti found the / works pretty well, you can put in regex stuff18:50
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hemnapatrickeast, yah it's not working for me at all18:51
dulekhemna: You go to diff view settings using this little clockwork on the right.18:51
smcginnisdulek: Oh, didn't realize that was a setting!18:51
smcginnisdulek: Seems a pretty minimal memory advantage not to load all the code at once.18:51
hemnaman18:51
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patrickeastwhat browsers are you guys using?18:51
hemnaI can change the theme, but I can't make search work.  awesome.18:51
smcginnispatrickeast: chromium18:51
hemnachromium18:51
patrickeasthmm it seems to work fine for me with chrome18:52
duleksmcginnis, hemna: I'm not sure if setting slow this will help. ;) But I think I've read somewhere that it should.18:52
patrickeastshould be pretty much the same18:52
patrickeastin theory18:52
hemnait's a POS18:52
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dulekYeah, I've tested - with slow settings browser's ctrl+f seems to search whole code on the page.18:54
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xyangdulek: can you try change this line in unit test: https://github.com/openstack/cinder/blob/master/cinder/tests/unit/test_emc_vnx.py#L2076  to tmp_snap = "snap-as-vol-%s" % vol['id']19:01
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rlrossithemna: smcginnis: Just looked at my enum patch and noticed you guys were saying stuff on IRC. I checked the logs and it sounds like there's some confusion. Is there anything you need some more info/help on from me about this stuff?19:03
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smcginnisrlrossit: I think we worked it out.19:03
hemnarlrossit, nah, it's all good.  I was confused.19:04
xyangdulek: here too: https://github.com/openstack/cinder/blob/master/cinder/tests/unit/test_emc_vnx.py#L384219:04
smcginnisrlrossit: My one remaining doubt was whether there was any kind of upgrade implication from this.19:04
dulekxyang: This will help, I think. So with snapcopy=True your driver is supposed to use snap-as-vol as snapshot names? Should I add that fix into my patch or should we have an additional one?19:05
sheelhemna:just ctrl+f and type searchWord , then press n for recurring search like we do in vim19:06
rlrossitsmcginnis: there are some, but no more than the versioned objects bring with them (basically these enums should be additive so you don't pull the rug out from anyone)19:06
smcginnisrlrossit: Makes sense. Thanks for the confirmation!19:06
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duleksmcginnis, rlrossit: This actually may be a little tougher question - what if a new state is added and older service doesn't understand it?19:07
sheelhemna:hope it answers to your query19:07
dulekWe should be able to backport such object - will automated ovo version bump tests detect enum change?19:07
hemnasheel, yah that wasn't working, and I couldn't get it to allow chrome's search to work either.19:08
* hemna is so not a fan of the new gerrit UI. It's broken in so many ways.19:08
rlrossitdulek: if you change an enum, that will change the object hash, so that will suggest a version bump19:08
rlrossitdulek: if you're also implying actual backport code, that gets tougher19:09
sheelhemna:oh, something strange..19:09
* rlrossit searches quickly for a nova example19:09
* dulek needs to test ovo version bump test fixture by himself…19:10
xyangdulek: I think there are some problems in the unit tests.  I don't know why yours can't pass while the snapcopy feature can pass unit tests.  I'll ask the VNX guys to double check.19:10
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CrtxReavrVNX?19:11
rlrossitdulek: here's a nova example of nova having to do an additive change to an enum https://github.com/openstack/nova/commit/63dc986d854729c0f467d828d19f2997a37f0f1119:11
CrtxReavrThose are still a thing?  >=]19:11
xyangdulek: I mean to make the change in your patch19:11
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dulekxyang: Okay, I'll work on this in a moment. Thanks! :)19:12
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dulekrlrossit: No backporting code… But I get the point and tested that changing an enum changes the hash, so I'm okay with this. :)19:13
rlrossitdulek: cool :)19:16
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openstackgerritSlade Baumann proposed openstack/cinder: Add ConsistencyGroupStatus enum field  https://review.openstack.org/26205419:32
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openstackgerritMichal Dulko proposed openstack/cinder: Add metadata aliases to Volume object  https://review.openstack.org/24776319:35
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openstackgerritEric Harney proposed openstack/cinder: Tests: Strengthen assertFalse assertions  https://review.openstack.org/26340419:41
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sheeldulek: hi19:50
sheelfor https://review.openstack.org/#/c/255947/1219:51
duleksheel: Hi, what's up?19:52
sheeldulek: its cool there, how are you?19:52
sheeldulek:what else is required for merging of https://review.openstack.org/#/c/255947/12 :)19:52
sheeldulek: could you please check once, codeReview got +2 but still seems no hint for merging :)19:54
duleksheel: Another core reviewer +2 vote besides jungleboyj's. There are some on the channel so maybe this will raise someone's attention.19:54
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jungleboyjsmcginnis: sheel Would like more eyes on his patch I think.  ;-)19:55
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sheelsmcginnis : yes, please.19:56
patrickeastmriedem: fyi for that log message spam from the image cache i filed https://bugs.launchpad.net/cinder/+bug/1530964 and i'll put up a fix for it soon19:56
openstackLaunchpad bug 1530964 in Cinder "image cache is logging warnings when not enabled" [Undecided,New] - Assigned to Patrick East (patrick-east)19:56
smcginnissheel, jungleboyj: Sure, running to a meeting, but I have a tab open for it now.19:56
jungleboyjsmcginnis: Thanks boss.19:57
mriedempatrickeast: thanks19:57
smcginnisHa, no problem.19:57
sheeljungleboyj dulek smcginnis: thank you19:58
eharneyi started reading it but it might be a bit, i don't think i really understand it19:59
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sheeleharney: are you talking about current review context?20:05
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eharneysheel: yes20:05
sheeleharney : ok, let me know if you need any information about bug or fix?20:06
eharneysheel: not yet20:07
sheeleharney : ok20:07
e0newhy do we need deleted int?20:08
sheele0ne: Actually there are 2 bugs which are fixed in this20:08
duleke0ne: Look at constraint on VolumeTypeProjects model. :( That's why.20:09
e0nesheel: got it, thanks20:09
sheele0ne : welcome :)20:09
e0nesheel: one more question to make me on the same page:)20:10
e0nesheel: why do we need 'elif read_deleted == 'int_no'"?20:10
e0nehttps://review.openstack.org/#/c/255947/12/cinder/db/sqlalchemy/api.py - it looks too compltaced now20:10
sheele0ne: its too handle read_deleted for integer instead of boolean20:12
e0nesheel: can we use something like oslo_utils.strutils.bool_from_string there?20:12
sheele0ne:I think no20:14
e0nesheel: ok, it's not a blocker now20:14
sheele0ne: ok20:16
e0nesheel: quick question inline. I remove my -1 once I'll get unswer20:16
e0ne-1 is just to not skip it20:16
sheelI think it will need int in model query but bool_from_string will returns to bool20:16
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e0nesheel: sorry, I missed something. I've just verified your patch on my env20:24
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sheele0ne: thank you for your time and approval..20:28
e0nesheel: one more stupid question20:29
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sheele0ne: please, tell me20:29
e0nesheel: you use " soft_delete" method. where is it defined? can't find both in cinder and oslo.db20:29
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sheele0ne: its in oslo_db20:30
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e0nesheel: thanks. github search failed:(20:30
sheele0ne: https://github.com/openstack/oslo.db/blob/master/oslo_db/sqlalchemy/orm.py#L2820:32
e0nethanks20:32
sheele0ne:you are welcome..20:32
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dims_e0ne : here's a shiny search thingy courtesy of our infra folks - http://codesearch.openstack.org/20:44
e0nedims_: yes, it'a s great tool!20:44
smcginnisdims_: So much nicer than github searches!20:44
dims_smcginnis : e0ne : indeed. especially digging up backward compat problems20:45
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sheeldims_:its nice20:51
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openstackgerritMerged openstack/python-cinderclient: Set default service type to 'volumev2'  https://review.openstack.org/25487621:08
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openstackgerritPatrick East proposed openstack/cinder-specs: Propose new admin action to set replication status  https://review.openstack.org/26344421:24
patrickeastgogo last minute spec21:24
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smcginnisWow, I haven't seen a SuSE KDE desktop in a long time.21:33
* smcginnis is feeling disoriented21:33
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ildikovhemna: did you see my earlier question?21:38
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hemnaildikov, no sorry, it's been a busy day21:39
hemnawhat's up21:39
ildikovhemna: sorry to poke you with this21:40
hemnano problem21:40
ildikovhemna: so I realized that the host_name on Cinder side is not for attaching a volume to an instance21:40
ildikovCinder raises an error if both instance and host_name is specified21:40
hemnaildikov, didn't my patch remove that ?21:41
ildikovI haven't checked, but the problem is that it will not pass the tests on the gate this way21:41
hemnahttps://review.openstack.org/#/c/255595/4/cinder/api/contrib/volume_actions.py21:42
ildikovor at least will not really be backward compatible, I mean no upgrade path, etc.21:42
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ildikovcool, I remembered that part, but I wonder if it's not an issue that Nova then will work only with the latest Cinder21:43
hemnayah I think so21:43
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hemnawell at least multi-attach21:44
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ildikovyou mean to pass it only in case of multi-attach21:45
hemnaI don't think so21:47
hemnaI figure lets be consistent21:47
hemnathe host_name field is there, we just never pass it from nova21:47
hemnaI think only cinder adds it when it attaches a volume to itself, when there is no instance_uuid21:47
scottdahemna: I think Ivan's patches for attach-without-nova also uses host_name21:48
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ildikovbut that check is already there, I wonder how we can do it in an acceptable way21:48
hemnascottda, yah that would make sense21:49
hemnaildikov, I'm not sure really21:49
hemnaany change is going to be an issue I think21:50
ildikovhemna: that's kinda sad :(21:50
hemna:(21:50
hemnaI don't know what else to do.21:50
ildikovbut anyway, my bugfix patch depends on yours anyways21:50
ildikovso let's get yours in and then we can fix this bug on Nova side later and add docs about it until21:51
hemnalooks like I need to push up another patch to address some small things that john pointed out.21:52
openstackgerritPatrick East proposed openstack/cinder-specs: Propose new admin action to set replication status  https://review.openstack.org/26344421:52
hemnathis whole interaction between nova and cinder just feels like a house of cards at this point.21:53
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openstackgerritAlex O'Rourke proposed openstack/cinder: Change minimum 3PAR API version for replication  https://review.openstack.org/26345821:53
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ildikovhemna: yeah, I have that feeling nowadays very often22:01
ildikovalthough just simply about this multiattach feature22:01
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hemnaok22:01
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ildikovI started to read about the hypervisors and I'm not 100% sure how it will work22:01
hemnaso I think at a minimum we should raise this in the next Cinder meeting22:02
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ildikovand Nova code is a bit of a mess too at least for a new comer like me22:02
hemnaI think that's almost always the case there....22:02
hemna:P22:02
ildikovthis bug fix issue you mean?22:02
hemnamy original nova patch was a mess too.22:02
hemnaildikov, yah22:02
ildikovI will not disagree :)22:02
ildikovok, when is that meeting?22:03
hemnaWed.22:03
hemnahttps://wiki.openstack.org/wiki/CinderMeetings22:03
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ildikovok, that should work22:05
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hemnaildikov, ok added a topic https://wiki.openstack.org/wiki/CinderMeetings#Next_meeting22:08
ildikovthanks much!22:08
hemnanp22:08
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ildikovNova non-prio feature deadline is also pretty close22:09
ildikovI'm trying to get review attention, but it will still be tough22:09
hemnaso, does that mean all of the nova patches have to land before that?22:09
ildikovdo you know anyone to ask?22:09
hemnado you know what the deadline date is ?22:09
ildikovJan 21 IIRC22:09
hemnaildikov, you can ask mriedem22:09
hemna21st ok22:10
hemnathat gives us a little wiggle room22:10
ildikovok, will do22:10
ildikovI have a +2 on the first patch, the problem comes with the second one as we call out to Cinder every time for the attachment_id as it currently not stored in Nova22:10
hemnaurl ?22:11
ildikovif it would be stored that requires another DB round, with db_migrate I guess, many new things...22:12
ildikovhttps://review.openstack.org/#/c/193134/4922:12
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mriedemso the round trip issue is in https://review.openstack.org/#/c/193134/22:14
mriedemthere was a spec at one point to store the volume attachment id in the nova bdm table22:14
hemnaoh you mean get_attachment_id inside of detach ?22:14
mriedemb/c the attach api currently returns the volume id for both the volume id and attachment id, which is misleading22:14
ildikovyeah, it was moved there recently22:14
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hemnamriedem, ?22:15
ildikovmriedem: TBH it's in the multiattach spec at the moment that Nova does not store the attachment_id22:15
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ildikovit was accepted that way22:15
mriedemthis https://github.com/openstack/nova/blob/master/nova/api/openstack/compute/volumes.py#L20322:15
hemnathat stuff has been around for ages22:16
mriedemright22:16
ildikovpeople were more comfortable with that version22:16
mriedemand that's why we nixed a spec asking to change that22:16
mriedemb/c it would have required a db migration and an api microversion and no one really saw the need22:16
mriedemsince you can get the attachments from the volume api22:16
mriedemand we have this policy about no new api proxy22:17
mriedemlike george bush and no new taxes22:17
hemnaheh22:17
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mriedemso it would appear there is a reason to have it now22:18
hemnalooking back at my original nova patch, I had get_volume_attachment as a callable method in cinder.py22:18
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ildikovso volume_id is used there as earlier there was no attachment_id or?22:18
mriedemright, so john's concern in https://review.openstack.org/#/c/193134/ is having to back to get that all the time22:18
mriedemildikov: nova only stores the volume id22:18
hemnahttps://review.openstack.org/#/c/85852/2/nova/compute/manager.py22:19
hemnamy old patch22:19
hemnait does make a call to fetch the volume, then get the attachment id22:19
ildikovmriedem: yeah, sorry, I missed that it's the translation function22:19
hemnaI didn't see a way of getting around it w/o nova db changes :(22:19
mriedemyeah i see the method added here https://review.openstack.org/#/c/85852/2/nova/volume/cinder.py22:20
hemnaand honestly, I'm a bit worried about storing cinder stuffs inside of nova22:20
hemnait seems to be a breakdown of the contract22:20
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hemnacinder should be the source of truth22:20
hemna:)22:20
mriedem_jediyeah, like the attachment status snafu's22:21
mriedem_jedithat andrea was trying to address22:21
ildikovhemna: for volume info I have to agree :)22:21
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hemnamriedem, yup.22:21
hemnaso, that induces a round trip.22:21
mriedemhemna: for neutron there is the network info cache on the instance22:21
mriedemwhich is also racy22:21
hemnayup22:22
mriedembut it gets updated in a periodic task and on network operations on the instance22:22
hemnalol, just have nova access the cinder db directly.22:22
hemnaproblem solved.22:22
hemna:P22:22
hemnathank you, I'll be here all week.22:22
ildikovhow much will this be a performance issue?22:22
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hemnait's 1 extra round trip at detach time.22:23
ildikovsorry for the dumb questions, getting late here and it's the first Monday of the year for 37 minutes still :)22:23
hemnaI think there were cases in nova that it already had the volume object and it didn't have to do the round trip22:23
hemnahrmm22:24
ildikovyou mean I should check these round trips and see whether I might already have the info22:24
hemnamaybe I'm wrong on that one22:24
hemnayah22:24
mriedemwas just reading john's comments in https://review.openstack.org/#/c/193134/32/nova/compute/manager.py22:25
mriedemi haven't been reviewing this series so i'm out of context here22:25
mriedembut i remember that other spec about wanting to store the attachment id22:25
hemnawhich comment ?22:25
hemnasorry just trying to follow22:25
ildikovthere was one version of the multiattach spec or at least comments about it22:25
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ildikovbut even if it made it into that particular spec it did not last long I'm sure22:26
hemnaoh I see what he's saying22:27
hemnain the rpc call into the manager22:27
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hemnayou might already have pulled the cinder volume object, and hence had the attachment_id to pass in the rpc call22:27
hemnaif that's the case, then yah that'd be better22:27
hemnaI don't know that call chain very well, so we'd have to find that out22:27
mriedemyeah so you get the volume from cinder in n-api and pass the attachment id over rpc to compute,22:29
ildikovyeah, I might need some help on that one22:29
ildikovalso isn't RPC versioned too in some way?22:29
hemnamriedem, yah I think that'd work.22:29
mriedemif compute doesn't get the attachment id, it's pre-mitaka code and compute has to go to cinder again22:29
mriedemildikov: yea rpc is versioned22:29
mriedemyou'd be passing a new kwarg22:29
openstackgerritSean McGinnis proposed openstack/cinder: Revert "Rebrand HP XP driver to now be HPE"  https://review.openstack.org/26346722:29
mriedemhttps://github.com/openstack/nova/blob/master/nova/compute/rpcapi.py#L47022:30
mriedemso we're talking about adding an attachment_id kwarg to that right?22:30
mriedemif the client version is < 4.7, you wouldn't send that kwarg22:31
hemnayah22:31
mriedemb/c older compute wouldn't understand22:31
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ildikovI assume I can find examples there how to check the version22:33
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mriedemhttps://github.com/openstack/nova/blob/master/nova/compute/rpcapi.py#L59722:34
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mriedemthis is a better example https://github.com/openstack/nova/blob/master/nova/compute/rpcapi.py#L67022:34
mriedemwhere it's checking the version and popping kwargs22:34
ntpttr1I'm not sure if it's just me locally, but since I got back from holiday tox isn't working for me on the master branch of cinder, because it fails to import tooz.coordination in cinder.tests.unit.test_coordination. Is this happening with anyone else, or is there something else I have to update?22:35
ildikovmriedem: ok, thanks22:37
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ildikovmriedem: I will check the Nova API calls and then modify that patch accordingly22:40
ildikovI might annoy you with stupid questions on the go, but will try not to22:41
ildikovthanks for the pointers22:41
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mriedemildikov: hemna: alternatively, there is always the bdm.connection_info bag of goodies that's stored in the nova db22:46
mriedemit's just a json blob22:46
mriedemunversioned22:46
ildikovI saw that there is, but I didn't know it's unversioned22:46
mriedembut it's a way to stash an attachment id on attach, and look it up on detach22:46
mriedemit's mostly just what nova gets back from calling os-initialize_connection22:47
hemnayah, that's kinda a dump22:47
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hemnabut I believe that's populated prior to calling cinder's attach22:48
ildikovmriedem: there's a _local_delete function which calls the volume_api to detach in compute api: https://github.com/openstack/nova/blob/master/nova/compute/api.py#L183322:48
hemnathe cinder attach is the last call in the chain (updates cinder's DB record)22:48
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mriedemildikov: _local_delete is a separate delete path22:49
mriedemthat doesn't go through the compute manager22:49
mriedemin special cases22:49
hemnaalso, fwiw, the connection_info blob gets blown away during live migration time22:49
mriedemlike if the service is down22:49
hemnawell, recreated22:49
mriedemhemna: yeah, that's another bug i think that was never fixed,22:50
mriedemi.e. stashing off the 'old' connection info to use in case live migration fails and we need to rollback22:50
hemnayup22:50
ildikovin that case I assume we will need to retrieve the attachment id from Cinder then22:50
mriedemit's actually listed as security bug22:50
hemnahuh, no kidding22:50
hemnamakes sense I guess.22:50
hemnaildikov, yes22:50
mriedemhemna: well, not one that anyone is fixing22:51
mriedem'during live migration, gain root access to the host and make live migration fail...'22:51
mriedemetc etc22:51
mriedemso there is a bug for the rollback case, but the security bug wasn't a priority22:51
mriedemanywho, have to run22:56
mriedembusy first day back22:56
hemnamriedem, thanks for the help!22:57
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ildikovhemna: I will work on the RPC stuff tomorrow22:59
ildikovI hope that will be a good enough solution23:00
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hemnaok sounds good23:03
ildikovI also call it a day23:03
ildikovas it is already tomorrow here :)23:03
hemnadoh23:04
hemnaok have a good evening.23:04
ildikovthanks for the chat, I learnt new things today too, so all good23:04
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ildikovthanks, brushing my teeth and sleep, no other options :)23:04
hemnahehe.  ok night!23:04
ildikovhave a nice day23:04
ildikovlaters :)23:05
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hemnaildikov, same to you.23:05
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openstackgerritAnthony Lee proposed openstack/cinder: LeftHand: Implement un/manage snapshot support  https://review.openstack.org/25501523:07
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openstackgerritAnthony Lee proposed openstack/cinder: 3PAR: Adding volume checks to manage snapshot API  https://review.openstack.org/26072823:15
openstackgerritNate Potter proposed openstack/cinder: Roll back reservations quota in RPC if necessary  https://review.openstack.org/26347323:16
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