Tuesday, 2015-09-15

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openstackgerritmelanie witt proposed openstack/python-novaclient: Remove redundant help command test and commonize  https://review.openstack.org/22335800:26
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openstackgerritIWAMOTO Toshihiro proposed openstack/nova: Omit RescheduledException in instance_fault.message  https://review.openstack.org/16575100:41
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openstackgerritNicolas Simonds proposed openstack/nova: Fix model query for non-admin flavor lookups  https://review.openstack.org/21180900:53
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openstackgerritAlex Xu proposed openstack/nova: Rename all the ViewBuilderV3 to ViewBuilderV21  https://review.openstack.org/22307101:02
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openstackgerritNicolas Simonds proposed openstack/nova: libvirt: Fix/implement revert-resize for RBD-backed images  https://review.openstack.org/18739501:05
openstackgerritNicolas Simonds proposed openstack/nova: libvirt: Split out resize_image logic from create_image  https://review.openstack.org/18785701:05
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openstackgerritXiaowei Qian proposed openstack/nova: Remove "shelved_image_id" key from instance system metadata  https://review.openstack.org/21363301:18
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openstackgerritJeffrey Zhang proposed openstack/nova: Add total_vms field to ComputeNode  https://review.openstack.org/20247202:36
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openstackgerritRui Chen proposed openstack/nova: Create image for suspended instance booted from volume  https://review.openstack.org/22338202:44
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openstackgerritZhuChunzhan proposed openstack/nova: Improve the performance get instances  https://review.openstack.org/21455502:56
openstackgerritZhuChunzhan proposed openstack/nova: Improve the performance of get instances  https://review.openstack.org/21455502:56
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openstackgerritZhenyu Zheng proposed openstack/nova: DB:support for migration objects multi-statuses  https://review.openstack.org/16960403:07
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openstackgerritZhuChunzhan proposed openstack/nova: Improve the performance of get instances  https://review.openstack.org/21455503:36
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openstackgerritRui Chen proposed openstack/nova: Only return latest fault of each instance in db api  https://review.openstack.org/22339203:54
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openstackgerritAlex Xu proposed openstack/nova: Rename all the ViewBuilderV3 to ViewBuilderV21  https://review.openstack.org/22307105:26
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openstackgerritAtsushi SAKAI proposed openstack/python-novaclient: Fix nova bash-completion needs authentication  https://review.openstack.org/22301205:46
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openstackgerritAlex Xu proposed openstack/nova: Remove TestOpenStackClientV3 from nova functional tests  https://review.openstack.org/22342306:14
openstackgerritAlex Xu proposed openstack/nova: User APIRouterV21 instead of APIRouterV3 for v2.1 unittests  https://review.openstack.org/22342406:14
openstackgerritAlex Xu proposed openstack/nova: Use NoAuthMiddleware instead of v3 one for wsgi app building function  https://review.openstack.org/22342506:14
openstackgerrithuan proposed openstack/nova: Do not rely on XenAPI to guess device names  https://review.openstack.org/21311206:14
openstackgerritJianghua Wang proposed openstack/nova: Detect vGPUs and add info to compute info  https://review.openstack.org/22342606:15
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openstackgerritRui Chen proposed openstack/nova: Fix booting fail when unlimited project quota  https://review.openstack.org/21959606:17
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openstackgerritRui Chen proposed openstack/nova: Remove useless get_instance_faults()  https://review.openstack.org/22343406:48
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openstackgerritgaryk proposed openstack/nova: VMware: expand support for Opaque networks  https://review.openstack.org/16575006:53
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openstackgerritJeffrey Zhang proposed openstack/nova: Add total_vms field in API  https://review.openstack.org/20338207:09
openstackgerritZhenyu Zheng proposed openstack/nova: Resize: Return to initial state instead of ACTIVE when resize fails  https://review.openstack.org/20237907:09
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openstackgerritJianghua Wang proposed openstack/nova: Detect vGPUs and add info to compute info  https://review.openstack.org/22342607:10
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openstackgerritgaryk proposed openstack/nova: VMware: create method for getting datacenter from datastore  https://review.openstack.org/20581907:15
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openstackgerritgaryk proposed openstack/nova: VMware: prevent volume deletion if volume in instance folder  https://review.openstack.org/19310307:27
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openstackgerritRadomir Dopieralski proposed openstack/nova: Gracefully handle 404 responses from neutron when polling for floating IPs  https://review.openstack.org/21674607:40
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openstackgerritZhenyu Zheng proposed openstack/nova: Add checks for volume status when rebuilding  https://review.openstack.org/21756707:47
johnthetubaguybauzas: I was assuming the same as alaski a manifesto for the high level bits, then lots of small focused specs for mitaka07:49
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openstackgerritVictor Stinner proposed openstack/python-novaclient: Fix unicode issue in shell.main() error handling  https://review.openstack.org/22311507:56
openstackgerritMarian Horban proposed openstack/nova: Fix Status-Line in HTTP response  https://review.openstack.org/22323507:57
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bauzasjohnthetubaguy: ack, I'm just rewriting the manifesto now08:08
bauzas(morning Nova btw.)08:08
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openstackgerritJordan Pittier proposed openstack/nova: libvirt:on snapshot delete, use qemu-img to blockRebase if VM is stopped  https://review.openstack.org/19273608:12
openstackgerritJordan Pittier proposed openstack/nova: libvirt:update live_migration_monitor to use Guest  https://review.openstack.org/21115208:12
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openstackgerritRajesh Tailor proposed openstack/nova: Fix order of arguments in assertEqual  https://review.openstack.org/22046608:53
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PaulMurrayhi ndipanov - I've been waiting for you to reappear! I have a couple of questions for you09:13
ndipanovPaulMurray, I was really only gone a week09:14
ndipanov:)09:14
ndipanovPaulMurray, go!09:15
PaulMurrayI just happened to be the week I was looking for you :)09:15
PaulMurrayThe first one was about block device mappings - do you have any idea what "no_device" property is for?09:16
ndipanovyes09:16
ndipanovthough it's a bit of an obscure use case09:16
ndipanovwhen you have an image with block device mapping09:16
ndipanovand you want to change that09:17
ndipanovas in remove a volume from there altogether09:17
openstackgerritMarian Horban proposed openstack/nova: Fix Status-Line in HTTP response  https://review.openstack.org/22323509:18
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ndipanovthe only way to do this is to match the one you want to remove by device name (sadly)09:18
ndipanovand then specify a no-device BDM when booting09:18
ndipanovPaulMurray, makes sense?09:19
PaulMurrayyes - and it leads nicely to the next part09:19
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PaulMurrayI have put up a spec for detaching boot volumes - this was discussed at the vancouver summit, (which I think you missed unfortunately)09:20
PaulMurrayThe plan I have is to allow boot volumes to be detached when the instance is shutdown09:21
PaulMurraybut I wanted to make it so you can only reattach another volume09:21
PaulMurraySo I wanted a way to say "there should be a volume here"09:21
PaulMurrayand something like the no_device seems to fit09:21
PaulMurrayAny thoughts?09:21
ndipanovPaulMurray, yeah so I know that detaching boot volumes is useful09:22
ndipanovPaulMurray, but haven't thought of a good way to implement it that won't open us up to a ton of edge cases09:22
ndipanovI spoke to dansmith about it once (may have been offline)09:23
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ndipanovand I seem to remember us saying that pairing this with shelve seemed like a good idea - that way only instances in shelve could have this weird state09:23
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ndipanovbut this was some time ago and we were not sure what the state of the code was09:24
ndipanovI do think that making it a Nova wide concept is not a good idea09:24
ndipanovPaulMurray, ^09:25
PaulMurrayI forget, does shelve remove any of the resources?09:26
openstackgerritZhenyu Zheng proposed openstack/nova: Resize: Return to initial state instead of ACTIVE when resize fails  https://review.openstack.org/20237909:26
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ndipanovPaulMurray, good question :)09:27
ndipanovbut my opinion is that I'd be +1 on having the ability to detach a volume from the instance, but confining it to shelved instances only would save us a lot of problems I think09:28
PaulMurrayI was hoping to get away with making it safe by preventing the instance being moved out of shutdown without a boot volume09:28
PaulMurrayMaybe you could look at the spec - I have a use case that requires the instance to be ready to go except for attaching the volume09:29
PaulMurraylet me dig out the link09:29
ndipanovyes sure - spec pls09:29
PaulMurrayhttps://review.openstack.org/#/c/221732/09:30
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PaulMurrayThanks09:30
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openstackgerritMarian Horban proposed openstack/nova: Refactoring of HTTP exception message  https://review.openstack.org/22349609:31
ndipanovPaulMurray, added myself as a reviewer09:31
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ndipanovwill get to it soon I hope09:31
ndipanovgot some poc patches?09:31
openstackgerritZhenyu Zheng proposed openstack/nova: Add checks for volume status when rebuilding  https://review.openstack.org/21756709:31
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PaulMurrayndipanov, what we have at the moment works and is unsafe - I would rework, but I can share - I'll push something up for review as WIP09:35
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PaulMurraybasically it allows the detach and attach, but there is no code to stop you trying to boot without a volume09:36
PaulMurrayI'll let you know when I've done it - will be a little later09:37
ndipanovPaulMurray, that would help a lot09:42
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johnthetubaguyndipanov: looking through your bug fix patches https://review.openstack.org/#/c/218385/709:46
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johnthetubaguyndipanov: if you have a sec, I would love to ask you about my worries, I have a feeling I am missing something09:47
openstackgerritAtsushi SAKAI proposed openstack/python-novaclient: Fix nova bash-completion needs authentication  https://review.openstack.org/22301209:47
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johnthetubaguyndipanov: the main thing is we don't need to worry about the string freeze for your log additions now, we are free to add strings09:48
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ndipanovjohnthetubaguy, sure - did you comment on the patches09:51
ndipanovjust started looking at those09:51
ndipanov(half way through my emails)09:51
johnthetubaguyndipanov: yes, just added comments, mostly +0 ones as I am still working out whats going on there really09:51
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ndipanovjohnthetubaguy, ok will look into it now09:52
johnthetubaguyndipanov: cool, thanks09:53
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openstackgerritJames Page proposed openstack/nova: Add canonicalization for non-x86 architectures  https://review.openstack.org/21104110:21
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openstackgerritZhenyu Zheng proposed openstack/nova: Resize: Return to initial state instead of ACTIVE when resize fails  https://review.openstack.org/20237911:26
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openstackgerritNikola Dipanov proposed openstack/nova: RT: Migration resource tracking uses migration context  https://review.openstack.org/21893811:43
openstackgerritNikola Dipanov proposed openstack/nova: compute: migrate/resize paths properly handle stashed numa_topology  https://review.openstack.org/21850011:43
openstackgerritNikola Dipanov proposed openstack/nova: Claims: Make sure move claims create a migration context records  https://review.openstack.org/21838511:43
ndipanovjohnthetubaguy, ^11:43
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openstackgerritZhenyu Zheng proposed openstack/nova: Resize: Return to initial state instead of ACTIVE when resize fails  https://review.openstack.org/20237911:54
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alex_xu_nova api meeting in 5 mins11:56
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johnthetubaguyndipanov: ack, taking a looking12:00
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alex_xu_nova api meeting now~12:02
openstackgerritZhenyu Zheng proposed openstack/nova: Resize: Return to initial state instead of ACTIVE when resize fails  https://review.openstack.org/20237912:03
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markus_zdanpb: I would appreciate your feedback to my latest comment in https://review.openstack.org/#/c/188058/12:07
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markus_zdanpb: If we find a technical consensus in this review, I would update it accordingly.12:11
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johnthetubaguyndipanov: thanks for the updates, that looks good now, I removed the -2 on this one, got left behind my accident: https://review.openstack.org/#/c/200485/1912:29
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ndipanovjohnthetubaguy, yeah was just updating that one actually according to comments from dansmith12:38
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johnthetubaguyndipanov: cools12:39
tdurakov__johnthetubaguy, hi12:39
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tdurakov__is there any way to debug failed ci job?12:39
tdurakov__i've found some timeouts for block-migration tests and some novalidhost found for resize operations12:40
tdurakov__maybe it's possible to run job on local environment?12:40
tdurakov__johnthetubaguy, ^12:41
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markus_ztdurakov_: AFAIK the log files of the gate jobs should contain all the information which is needed to comprehend the root cause of an error. If not, the logging should be altered/enhanced.12:42
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markus_ztdurakov__: ^12:43
tdurakov__markus_z, yep, there are logs:) but what about live debug session?)12:43
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MVenesioHi Guys, i'm testing nova evacuate in Kilo with DVR, but when the instances migrate to the new server, the qrouters doesn't get created12:44
MVenesiothere's a bug reported about this https://bugs.launchpad.net/nova/+bug/148766812:44
openstackLaunchpad bug 1487668 in OpenStack Compute (nova) "nova evacuate doesn't work with neutron dvr architecture" [Undecided,New]12:44
tdurakov__markus_z, i't would be great to have ability to reproduce job locally, what do you think?12:44
MVenesioany news about this ?12:44
kashyaptdurakov__: I doubt there's any live debugging :-)12:44
markus_ztdurakov__: I'm not aware of a "standard procedure" to do this.12:44
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bauzastdurakov_: I can help12:45
markus_ztdurakov__: You could get the "localrc" file which is used for the gate job and execute the tempest tests manually.12:45
bauzastdurakov_: you can look at the n-* logs and see if any traces12:45
bauzastdurakov_: then, given the specific job running, it will depend on if you can reproduce it locally12:46
bauzaslike partial n-cpu needs 2 hosts :)12:46
bauzasand grenade needs grenade to be setup, not only devstack12:46
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tdurakov__markuz_z, bauzas, thanks, will try to copy tempest job and reproduce some locally12:48
bauzastdurakov_: which change ? which job ?12:48
tdurakov__tempest.conf from job i mean12:48
tdurakov__bauzas, gate-tempest-dsvm-multinode-full12:49
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bauzastdurakov_: so you need a specific setup12:49
bauzastdurakov_: but before doing that, are you able to introspect the logs and identify the problem ?12:49
bauzasmost of the time, you can end up figuring out the issue without needing to reproduce it locally12:50
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tdurakov__baizas, there some no valid host from scheduler...12:50
tdurakov__bauzas, ^12:51
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markus_zagreed to bauzas last comment12:51
tdurakov__specific setup, what exactly? multinode?12:51
bauzastdurakov_: so you need to grep the scheduler logs and see which filter returns 0 hosts12:51
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bauzastdurakov_: hint, that's not an ERROR level, rather an INFO if IIRC12:52
markus_z"no valid host" is the general "something went wrong" error message... You have to go deeper http://lrtcdn.linkresearchtools.com/wp-content/uploads/2015/03/12-inception-meme.png12:52
tdurakov__markus_z, :)12:52
bauzasNoValidHost now means that some filter returned 0 hosts12:52
tdurakov__i think some tests does't make cleanup, need to verify that12:53
bauzasthat's no longer a max number of retries exceeded12:53
bauzasthe latter became MaxRetriesExceeded exception :)12:53
bauzastdurakov_: just pass me the change #12:54
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openstackgerritBalazs Gibizer proposed openstack/nova: scheduler:refactor group info in filter_properties  https://review.openstack.org/14827512:54
openstackgerritBalazs Gibizer proposed openstack/nova: api: add soft-affinity policies for server groups  https://review.openstack.org/14752012:54
openstackgerritBalazs Gibizer proposed openstack/nova: scheduler: add num of instance per host in a group  https://review.openstack.org/14827712:54
openstackgerritBalazs Gibizer proposed openstack/nova: object:count members per hosts in InstanceGroup  https://review.openstack.org/14751712:54
openstackgerritBalazs Gibizer proposed openstack/nova: scheduler: add soft-(anti-)affinity weighers  https://review.openstack.org/14751612:54
bauzastdurakov_: I'll look into the sched log and show you where it fails12:54
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tdurakov__bauzas, for example, 21311212:54
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bauzastdurakov_: so, first look at the tests that failed and take the request-id12:56
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tdurakov__bauzas, let's start from 2015-09-15 10:04:37.389 | {1} tempest.api.compute.servers.test_disk_config.ServerDiskConfigTestJSON.test_resize_server_from_auto_to_manual [1.356095s] ... FAILED12:57
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openstackgerritRui Chen proposed openstack/nova: Execute _init_instance() concurrently  https://review.openstack.org/22357212:57
bauzastdurakov_ : see eg. http://logs.openstack.org/12/213112/12/check/gate-tempest-dsvm-multinode-full/bc5ced0/logs/screen-n-sch.txt.gz?level=INFO#_2015-09-15_10_04_37_06712:58
tdurakov__heard for a while, let me check code first.12:59
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* alex_xu_ didn't control the meeting time good today :(13:01
tdurakov__bauzas, service is down?13:01
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bauzastdurakov_: that means that the servicegroup driver is_up() method returned False for all the hosts13:02
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johnthetubaguytdurakov__: they should all just run on an 8GB ubuntu VM, just using the localrc config I think13:04
tdurakov__johnthetubaguy, 8GB each?13:04
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bauzastdurakov_: if you see http://logs.openstack.org/12/213112/12/check/gate-tempest-dsvm-multinode-full/bc5ced0/console.html#_2015-09-15_10_24_12_385 then you'll find that the req-id matches with http://logs.openstack.org/12/213112/12/check/gate-tempest-dsvm-multinode-full/bc5ced0/logs/screen-n-sch.txt.gz?level=INFO#_2015-09-15_10_04_37_064 and the 2 lines below13:05
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tdurakov__bauzas, we use db driver here, right?13:06
bauzastdurakov_: yup13:06
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alex_xu_johnthetubaguy: re: https://review.openstack.org/#/c/223071/3, I just checked, its all about merge or split extension13:10
tdurakov__bauzas, it could be service['disabled'] too13:11
bauzastdurakov__: yup13:11
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bauzaseh, ragequit of troubleshooting ? :D13:14
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openstackgerritMark Doffman proposed openstack/nova: DO NOT MERGE: Extra logging for lxc teardown fail.  https://review.openstack.org/22312513:22
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openstackgerritSergey Nikitin proposed openstack/nova: WIP: Use legacy engineFacade from oslo_db.enginefacade  https://review.openstack.org/22131013:38
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dansmithndipanov: while you were out, john clarified that new strings were better than changed strings, so do you want to make this a warning after all? https://review.openstack.org/#/c/218385/813:57
dansmithI'll just approve and we can tweak it after if you want13:57
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ndipanovah yeah forgot that14:02
ndipanovlet me do that now it takes 2 sec14:02
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ndipanovdansmith, ^14:02
dansmithokay14:02
ndipanovah approved already14:03
ndipanovyeah it has a fixme14:03
ndipanovI can follow up14:03
dansmithyep14:03
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dansmithndipanov: on the service things, my understanding is that we'll have DB records for everything for some time to come, even if we're using something like tooz for membership14:06
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dansmithndipanov: I dunno if things like zk allow us to efficiently do things like querying the minimum of some value of a property efficiently either14:07
dansmithndipanov: this was part of a blueprint for liberty to do it this way, so I think I'm good for the moment, even though I don't expect we'll land this stuff until M opens14:07
dansmithI'm just trying to get PoC code up14:08
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_diana_alex_xu_: I was going to work on this bug next (https://bugs.launchpad.net/nova/+bug/1447164) but I'd like your input first (if you don't mind). In particular, please see comment #3.14:09
openstackLaunchpad bug 1447164 in OpenStack Compute (nova) "require_admin_context() does not account for policy.json rulesets" [Medium,Confirmed] - Assigned to Diana Clarke (diana-clarke)14:09
ndipanovdansmith, yeah - so the problem I see with this is that it adds one more of the things that BP tries to remove14:09
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ndipanovbut I may be missunderstanding14:10
dansmithndipanov: the sg one you mean?14:10
ndipanovyes14:10
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dansmithndipanov: see, I don't think that it does.. I never expected that the sg blueprint meant that we do away with the services table in the db any time soon,14:10
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dansmithbut rather just use the external service for membership and up/down tracking14:11
dansmithand I don't think I'm alone there14:11
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ndipanovdansmith, hmmm14:11
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bauzasndipanov: dansmith: if you refer to the tooz BP, it was discussed during the review process that somehow the services table would still be kept as a reference - at least for describing a service14:14
dansmithbauzas: cool, that's exactly what I remember.. I scanned it the other day and didn't see that exact mention though14:15
bauzasndipanov: dansmith: ie. the question of the availability of the service would be different from the question of the existence of the service14:15
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openstackgerritDan Smith proposed openstack/nova: Add get_minimum_version() to Service object and DB API  https://review.openstack.org/22332014:15
openstackgerritDan Smith proposed openstack/nova: Allow automatic determination of compute_rpc version by service  https://review.openstack.org/22332114:15
dansmithbauzas: right, exactly14:15
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dansmithbauzas: ah I see, during the review process, yeah14:15
bauzasdansmith: ndipanov: not sure we made a consensus on that yet, I still need to read again the NP14:16
bauzasBP14:16
dansmiththe BP is kinda vague about it I think14:16
bauzasthe BP isn't merged, right?14:16
bauzasI mean the sepc14:16
bauzasspec14:16
ndipanovbauzas, so what if it was14:16
dansmithI thought it was14:16
ndipanovif it needs to change we should change it14:16
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bauzasmeh, the spec was approved https://review.openstack.org/#/c/138607/14:17
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ndipanovbauzas, that's for libery14:17
ndipanovfor mitaka it's up for review14:18
dansmithright14:18
ndipanovanyway14:18
bauzasndipanov: but asked for fast-track14:18
bauzasanyway yes14:18
dansmithwell, I'll ask for clarification on the mitaka one14:18
bauzaslemme see the convo14:18
ndipanovso a new service coming up after being upgraded needs to update 2 things now14:18
ndipanovthe db to tell it it has a new version and ZK14:18
bauzasoh I remember14:19
bauzaswe asked for a separate BP14:19
bauzashttps://review.openstack.org/#/c/190322/8/specs/liberty/approved/servicegroup-api-control-plane.rst,cm14:19
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ndipanovthat just sounds to me like it's gonna cause bugz14:19
bauzasndipanov: dansmith: ^ that is where the SG refactoring is discussed14:19
dansmithndipanov: it has to talk to the DB a thousand times anyway, I don't see the difference14:19
ndipanovbauzas, we know I linked it to dansmith review14:19
* bauzas hides14:19
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ndipanovdansmith, yeah I don't know - need to think about this more14:20
ndipanovfeels off to me14:20
dansmiththe other way to look at it is,14:21
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dansmithif you're using the db membership, or the memcache driver, or some new foobar driver, they all have to implement the version storage and minimum calculation separately, and hopefully with the same semantics14:21
dansmithwhen really all we want is the min(column) thing from SQL,14:21
dansmithwhich is there, working, and in a DB we're completely tied to for everything else anyway14:22
dansmithand,14:22
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ndipanovdansmith, yes all of these things you say are true14:22
dansmithit would mean that the API has to talk to zk in order to determine what to do14:22
dansmithinstead of the db that it already talks to14:23
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openstackgerritLinZhang proposed openstack/nova: Promoting SPICE vm performance(video, sound and other)  https://review.openstack.org/22361114:24
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ndipanovit will probably turn out to be the best thing we can do - I am just saying that it seems to me that you can't meaningfully separate these things without introducing some behaviour you need to be aware of that may or may not be critical14:25
bauzasdansmith: you're talking about a potential 'foo' driver upgrade, right ? not a n-cpu upgrade ?14:25
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ndipanovlike say - a service that was min goes away but we still get it's min as the result14:25
bauzasdansmith: if so, yes the driver has to provide semantics for version capping and matching, makes sense14:25
ndipanovprobably not amazingly horrible14:26
ndipanovbut feels off14:26
ndipanovdansmith, ^14:26
dansmithbauzas: I'm not sure I said upgrade above, but yes, that too :)14:26
dansmithndipanov: I'm not sure I see what the problem is there.. we'd never want the cluster to move on to N+1 because I restart the oldest node and zk immediately notices that it's gone14:27
dansmithndipanov: now, if I stop that node and delete it from the db because it's not coming back, then that *is* what I'd want14:28
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dansmithanyway, we don't need to talk about this now, this was really mostly WIP anyway14:28
ndipanovdansmith, so what was the motivation for this? just making upgrades easier because we don't need to worry about setting the correct version or?14:28
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dansmithndipanov: that and other things like pre-backporting objects before we send them14:29
dansmithndipanov: and knowing what nodes have yet to be upgraded14:29
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ndipanovdansmith, IDK - I will remove the -1 and leave the comment14:30
dansmithyou don't need to remove it,14:31
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dansmithI was just clarifying my understanding of the direction of the SG stuff is all14:31
edleafealex_xu_: missed the API meeting, as I'm on the road today and will only be online a little. Did you volunteer me for anything? :)14:31
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dansmiththis is fodder for a later discussion anyway, like I said, this is almost PoC at the moment14:31
ndipanovdansmith, ok14:32
bauzasdansmith: agreed, I feel something has to be discussed on the SG refactoring BP14:32
bauzasnot sure it relates to your change tho14:32
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dansmithbauzas: I think the SG refactor work was always "as long as it doesn't impact anything else negatively, we can expand support for things like zk"14:34
dansmithbauzas: and it has maybe lost a little of that footnote over time :)14:34
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jdandreaDoes nova have a namespace to create scheduler filter entry points (e.g., nova.scheduler.filters)? I want to install filters from my pbr then reference them in scheduler_default_filters. Right now I add a full mapping to scheduler_available_filters first.)14:38
jdandreaIt looks like loadables:get_all_classes() walks a directory path though, so perhaps not. (?)14:39
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johnthetubaguyndipanov: this one lost your +2 over a rebase, I think it still looks worth merging if you are OK with it still: https://review.openstack.org/#/c/212324/314:41
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ndipanovjohnthetubaguy, done14:42
johnthetubaguyty :)14:42
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markus_zsahid: Do you have a moment? It's about Alex's review: https://review.openstack.org/#/c/215102/12/nova/virt/libvirt/driver.py,cm14:46
markus_zsahid: He's in vacation now and I take over his open patch sets.14:46
bauzasjdandrea: you want to add a custom filter ?14:47
bauzasjdandrea: since filters are not using stevedore or any other modern loader, it's just discovering the filters using https://github.com/openstack/nova/blob/master/nova/scheduler/host_manager.py#L319-L32014:49
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jdandreabauzas: *nodnod* I think that's it, that it's not using stevedore atm. Looks like it ends up here: https://github.com/openstack/nova/blob/master/nova/loadables.py#L7814:50
bauzasjdandrea: yup14:51
jdandreabauzas: Ok, then I will continue using scheduler_available_filters.14:51
bauzasjdandrea: if you wish to provide an out-of-tree filter, then just do scheduler_available_filters += your_filter14:51
bauzasthat's enough14:52
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jdandreabauzas: Aye, that's what I'm doing now. I was trying to remove the path portion from nova.conf. Not a showstopper.14:52
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* jdandrea wonders if he'd be getting in over his head to change this to use stevedore. (I must be looking for trouble again *grin*.)14:53
bauzasjdandrea: if that's for in-tree, you don't care since all the filters from the same package are discovered automatically https://github.com/openstack/nova/blob/master/nova/scheduler/filters/__init__.py#L4714:53
bauzasjdandrea: well the scheduler is not the only piece using that nova.loadables helper14:54
jdandreabauzas: Exactly, hence the "over my head" bit. ;)14:54
bauzasjdandrea: so, changing to stevedore would require lot of care for a very little benefits now14:54
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jdandreabauzas: *nodnod*14:54
bauzasthat said, it's doable, just not top-prio14:54
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jdandreabauzas: agreed, in the grand scheme of things, there are bigger fish.14:55
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jdandreabauzas: To your point about get_all_classes(), right now I'm doing this (works fine): http://paste.openstack.org/show/463125/14:56
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bauzasjdandrea: zactly14:56
bauzasjdandrea: IIRC, you can even use the += operator for amending a default value14:57
bauzasie. scheduler_available_filters += path.to.my.custom.filter.and.CustomFilterClass14:57
jdandreabauzas: That's what I was wondering about. I think I'm not yet understanding the specifics about using += here.14:57
jdandreaOhhh.14:57
bauzasdims_: ^14:57
bauzasdims_: do you know if using += is valid ?14:57
jdandreabauzas: In this example even though I have = used twice, it seems to work as is (without +=).14:57
jdandreaThat is, when I trace, all of these filters are called, even mine.14:58
bauzasdims_: given we're talking about a MultiOptString type14:58
bauzasjdandrea: coolness then14:58
jdandrea:)14:58
jdandreaty - appreciate the reality check14:58
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bauzasnp15:00
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johnthetubaguymarkus_z: I should have pinged you earlier, but it would be good to catch up if you are around15:12
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markus_zjohnthetubaguy: I'm here. First day after my vacation.15:13
openstackgerritAtsushi SAKAI proposed openstack/python-novaclient: Fix nova bash-completion needs authentication  https://review.openstack.org/22301215:13
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markus_zjohnthetubaguy: Any updates I should know?15:14
johnthetubaguymarkus_z: ah, cool, hope you had a good/fun break15:15
johnthetubaguymarkus_z: just pushing towards RC1 now, need to identify and release critical bugs, traditionally, stuff that is a regression from a previous release, or something that is hard to backport, or something that is generally really bad15:16
markus_zjohnthetubaguy: Yes, It was great. Very relaxing. Ready for everything which might come :)15:16
johnthetubaguymarkus_z: we are using liberty-rc-potential tag to identify possible ones15:16
johnthetubaguymarkus_z: when we are sure about blocking, we can target the bug to RC115:16
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johnthetubaguymarkus_z: does that all make sense?15:17
jordanPhi sahid. Do you have a min ?15:17
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jordanPsahid, about your/Matt's suggestion: LOG.debug('Guest is not running...', instance_uuid=guest.uuid) (https://review.openstack.org/#/c/192736/)15:17
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jordanPI could not find how this would work. I mean what/where the instance_uuid kwarg is going to be used15:18
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jordanP?15:18
markus_zjohnthetubaguy: The "liberty-rc-potentiel" tag is for RC blocking bugs, do I understand that right?15:18
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johnthetubaguymarkus_z: yeah, potential ones anyway15:19
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markus_zjohnthetubaguy: What did we do in the past to "make sure" we can target them to RC1? Weeky Nova meeting?15:19
markus_z*weekly15:19
mriedemjordanP: used in oslo.log15:19
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mriedemjordanP: http://git.openstack.org/cgit/openstack/oslo.log/tree/oslo_log/formatters.py#n17215:20
jordanPmriedem, thanks a lot ! I only looked at code inside nova tree...15:20
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johnthetubaguymarkus_z: yeah, and just informal meetings in channel for the really urgent stuff15:21
mriedemjordanP: it originally came from nova15:21
mriedemthen oslo-incubator and now oslo.log15:21
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jordanPthat's why you guys know it inside out15:21
jordanPok, will fix15:21
mriedemi wouldn't make that assumption :)15:21
johnthetubaguymarkus_z: current plan is to release RC1 on tuesday, so really we need to agree the blocker list in the meeting on thursday, ideally15:21
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markus_zjohnthetubaguy: Coming Tuesday?15:23
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markus_z... time moves fast ...15:23
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markus_zjohnthetubaguy: How many bugs were reasonable be tagged this way in the past?15:26
mriedemmarkus_z: it should be as few as possible15:26
mriedemlike only critical bugs or things that would impact upgrades to liberty15:26
markus_zI try to get a feeling what is feasible here.15:26
markus_zmriedem: So, basically a one-digit number or a very low two digit one?15:27
mriedemif it's >=10 we're f'ing up somewhere along the way :)15:27
mriedemso yeah, <1015:28
mriedemwe say we support CD so we shouldn't have latent upgrade bugs15:28
markus_zmriedem: Yeah, sounds reasonable, thanks.15:29
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markus_zjohnthetubaguy: I'll dig through the bugs tomorrow to have a list ready until Thursday.15:29
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bauzasmarkus_z: not sure you can possibly identify RC blockers, I'd rather defer that to subteams15:31
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johnthetubaguymarkus_z: good question, right now I am just looking through the stuff we have as high priority15:32
johnthetubaguybauzas: yup, sub teams are totally encouraged to do that, just wanting to do a little to spot any things we missed15:33
markus_zbauzas: Yeah, I'll ask on the ML for help from the subteams.15:33
bauzasjohnthetubaguy: https://bugs.launchpad.net/nova/?field.searchtext=&orderby=-importance&field.status%3Alist=INPROGRESS&field.importance%3Alist=CRITICAL&field.importance%3Alist=HIGH&assignee_option=any&field.assignee=&field.bug_reporter=&field.bug_commenter=&field.subscriber=&field.structural_subscriber=&field.tag=&field.tags_combinator=ANY&field.has_cve.used=&field.omit_dupes.used=&field.omit_dupes=on&field.affects_me.used=&field15:33
bauzasmarkus_z: ^15:33
johnthetubaguymarkus_z: cool, we asked at last weeks meeting, but its worth a nudge15:33
johnthetubaguybauzas: yep, thats the list I am looking at I think15:34
bauzasso, we only have 30 High and + bugs15:34
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johnthetubaguyyup15:34
bauzasonly a subset of them can possibly land15:34
Daisy_ok, clarkb. Thank you. I will be much cautious。15:34
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bauzasmarkus_z: I should be free by tomorrow morning, we could just do a bug triage on those 30 bugs15:36
bauzasI can just do a gerrit query in the meantime, so we'd see whose are ready to merge15:36
markus_zbauzas: Yes, I'm free too. Let's do that, thanks!15:36
bauzasmarkus_z: 9.30am CEST works for you ?15:37
bauzasie. 0730UTC15:37
markus_zbauzas: Yepp, works perfectly.15:37
bauzasmarkus_z: ack, ping me by this time then15:38
markus_zbauzas: OK. I'll do. Maybe kashyap is around too?15:38
* kashyap reads the scroll15:38
kashyapmarkus_z: Yes, tomorrow morning works fine.15:38
markus_zkashyap: awesome!15:38
kashyapI'm also in CEST.15:39
markus_zCool cool, I'll ping you two tomorrow morning and post a notification on the ML to inform the subteam leaders what's happening.15:41
kashyapmarkus_z: The query posted by bauzas is what we'd be using, yes?15:43
bauzaskashyap: it still misses the novaclient, but that's a start15:43
bauzaskashyap: I'm considering that since we're fencing by tuesday, it means that code has to be up now15:44
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kashyapWhat do you mean by "fencing on tuesday"?15:44
bauzaskashyap: RC1 is planned to be cut by next tues15:44
kashyapAh, the timeline.  Okay.15:45
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bauzaskashyap: markus_z: here is the Gerrit query https://goo.gl/mGKx7d15:48
bauzaskashyap: markus_z: my bad https://goo.gl/nMyCzu15:49
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markus_zbauzas: Awesome! Let's use these two lists.15:50
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kashyapbauzas: The second URL also seems wrong?15:51
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bauzaskashyap: I filterout out by only the open ones15:51
kashyapbauzas: Ah, okay.  Thanks.15:51
bauzaskashyap: it still needs to be refined by labels15:51
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bauzasI just want to not filter out by positive Jenkins votes, since it could be due to CI false positives15:52
bauzaskashyap: markus_z: so my plan for tomorrow is to iterate over Gerrit as the source, and consider that if the change is ready to be reviewed, we could put it in a special list for getting review traction15:53
venkat_pHi all15:53
bauzaskashyap: markus_z: but like I said, I don't want to do bug triage based on Launchpad, rather start by Gerrit15:54
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markus_zbauzas: I assume we have to read both to determine if the bug can be targeted to the RC1 milestone.15:55
bauzasmarkus_z: yup, but only if the change is noted as Closes-Bug IMHO15:55
bauzaswith no merge issue or very old codebase15:56
bauzasmarkus_z: and then, look at the bug and consider whether it's still an High prio or not15:56
markus_zbauzas: Let's see case by case (but your approach seems to be reasonable)15:57
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bauzasmarkus_z: okay, 0730 to 0830 UTC, check16:00
scottdajohnthetubaguy: I'm working on a Mitaka spec for Cinder changes for Nova-Cinder API. I'm not sure at what point to engage the Nova team, but it might warrant a Summit session.16:00
scottdaThere are also cinder-nova topics around multi-attach and brick16:00
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johnthetubaguyscottda: so for the nova changes, probably worth a nova spec16:00
scottdaMost definately will need a Nova spec16:01
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johnthetubaguyscottda: if you have that up, we have a google form to submit a session suggestion: http://goo.gl/forms/D2Qk8XGhZ616:01
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johnthetubaguyscottda: would that work OK?16:01
scottdaYes, that looks good. I'll sync with Cinder team to gather all topics together and post something.16:01
johnthetubaguyscottda: the answer might be to raise at next week's meeting, at a rough guess16:02
johnthetubaguyscottda: ah, consolidated one sounds perfect, thank you!16:02
scottdaOK, thanks16:02
johnthetubaguy(consolidated for summit session rather than spec)16:02
scottdaright16:03
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johnthetubaguymarkus_z: honestly, its all about us all looking out for any nasty ones that are hiding in the queue, and shouting in lots of ways so people know how to tell us about really nasty regressions and things16:08
openstackgerritMarian Horban proposed openstack/nova: Reload configuration of nova logging  https://review.openstack.org/22366816:09
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openstackgerritAlexis Lee proposed openstack/nova: Unmoxify ConductorTestCase - rebuild  https://review.openstack.org/22105516:17
openstackgerritAlexis Lee proposed openstack/nova: Unmoxify ConductorTestCase - cold_migrate  https://review.openstack.org/22320516:17
openstackgerritAlexis Lee proposed openstack/nova: Unmoxify ConductorTestCase - unshelve  https://review.openstack.org/22105416:17
openstackgerritAlexis Lee proposed openstack/nova: Unify on _schedule_instances  https://review.openstack.org/21976116:17
openstackgerritAlexis Lee proposed openstack/nova: Unmoxify ConductorTestCase - build_instances  https://review.openstack.org/22101416:17
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openstackgerritJordan Pittier proposed openstack/nova: libvirt:on snapshot delete, use qemu-img to blockRebase if VM is stopped  https://review.openstack.org/19273616:32
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markus_zjohnthetubaguy: The shout to the ML: http://lists.openstack.org/pipermail/openstack-dev/2015-September/074560.html16:45
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johnthetubaguymarkus_z: awesome, thank you16:45
johnthetubaguymarkus_z: this list might help find the bugs: http://5885fef486164bb8596d-41634d3e64ee11f37e8658ed1b4d12ec.r44.cf3.rackcdn.com/nova-openreviews.html16:45
johnthetubaguymarkus_z: I have been skimming through the open for review, now looking at the stuck ones16:46
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markus_zjohnthetubaguy: Cool, thanks. I have to leave for today. See you tomorrow.16:49
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johnthetubaguymarkus_z: no problems, catch you tomorrow16:51
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openstackgerritgaryk proposed openstack/nova: VMware: fix type in comment  https://review.openstack.org/22290017:16
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ctrathgaryk: looking at https://review.openstack.org/#/c/222900/ .  Wondering why we need a patch for this?17:26
mriedemhow ironic, there is a typo in his commit message17:27
mriedemctrath: that's not worth fixing imo17:27
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nicAny commit message fixing a typo must contain a typo.  It's tradition17:27
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ctrathmriedem: ok.. I see garyk isn't here.. I'll bug him later17:28
mriedemctrath: i -1'ed it17:29
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vilobhmm_11alaski : ping17:36
alaskivilobhmm_11: hi17:37
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openstackgerritVilobh Meshram proposed openstack/nova-specs: Quota Policy Engine  https://review.openstack.org/22282417:39
vilobhmm_11alaski : I did propose quota policy engine the other day17:40
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vilobhmm_11but looks like it makes more sense to go into more details on this one after the flavor classes has been accepted17:40
vilobhmm_11also wanted to know your main concerns regarding https://review.openstack.org/#/c/206160/ few of them you have already outlined in the spec…since i was about to refine it17:42
vilobhmm_11alaski : ^^17:42
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alaskiI'll need to go through it again fully later, but my primary concern is that dynamic quotas and static quotas are stored and handled separately.17:46
alaskiWhat I would want to see is a single way to handle quotas, that works for both17:46
vilobhmm_11alaski : would you expect flavor classes to be a dependency to quota-by-x…because IMHO flavor classes and dynamic quota resources are different ways to achieve the same motto of Quota by X17:47
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vilobhmm_11alaski : ok will try to clarify on that point more clearly in the spec…thanks for your feedback17:47
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vilobhmm_11flavor classes being a more generic way to do so..17:48
openstackgerritPaul Murray proposed openstack/nova: WIP: Allow boot volume detach when shutdown  https://review.openstack.org/22372217:48
openstackgerritPaul Murray proposed openstack/nova: WIP: Enable boot volume attach  https://review.openstack.org/22372317:48
doffmmriedem: https://bugs.launchpad.net/nova/+bug/121837217:48
openstackLaunchpad bug 1218372 in OpenStack Compute (nova) "[libvirt] resize fails when using NFS shared storage" [High,Confirmed] - Assigned to Mark Doffman (mjdoffma)17:48
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alaskivilobhmm_11: I don't think flavor classes need to be a dependency.  But I do think they're a better way to achieve the separation that you want than availability zone17:50
mriedemdoffm: so that bug references https://review.openstack.org/#/c/28424/ which goes back to havana17:51
mriedemdoffm: so chances are it's no longer a valid bug17:51
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mriedemdoffm: i marked that bug as invalid17:53
vilobhmm_11alaski : sure but thinking more about flavor classes the other day I thought they can help to solve quota by az alongwith quota by flavor….I don't understand what you mean by "But I do think they're a better way to achieve the separation that you want than availability zone"17:53
doffmmriedem: Thanks.17:53
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alaskivilobhmm_11: in your spec you have flavor tiny1 in one AZ and flavor ssd.tiny1 in another AZ.  if those are different flavor classes you can set quota on them and not care about the AZ.17:55
openstackgerritPaul Murray proposed openstack/nova: WIP: Enable boot volume attach  https://review.openstack.org/22372317:55
mriedemdoffm: this is the change i was thinking of https://review.openstack.org/#/c/139693/17:55
vilobhmm_11alaski : that makes sense17:55
mriedemthat's been in since kilo and was backported to juno17:55
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vilobhmm_11alaski : I have updated the "Flavor Classes" spec with more details https://review.openstack.org/#/c/222744/ let me know if they seem ok to you17:57
vilobhmm_11alaski : thanks for your feedback !17:57
alaskivilobhmm_11: np.  I'll take a look later17:57
mriedemdoffm: http://docs.openstack.org/infra/elastic-recheck/readme.html#removing-bug-signatures17:57
vilobhmm_11alaski : sure17:57
doffmmriedem: That sounds like it would negate that bug.17:59
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openstackgerritgaryk proposed openstack/nova: VMware: fix typo in comment  https://review.openstack.org/22290018:00
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openstackgerritTomoki Sekiyama proposed openstack/nova: Fix multipath iSCSI encrypted volume attach failure  https://review.openstack.org/19648218:41
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doffmmriedem: How would I get https://review.openstack.org/#/c/219448/ to re-run its gate checks? I have updated one of the logging dependencies.18:47
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mriedemdoffm: leave a comment with "recheck"18:49
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mriedemrlrossit: want to jump to #openstack-qa?18:57
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mriedemseems odd that nova instance-action requires the server uuid and the request uuid for the instance action19:24
mriedemthe request uuid is unique19:24
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mriedemalaski: ^ is it just me that thinks that's odd?19:25
mriedemi guess the request could involve multiple servers....?19:25
alaskimriedem: that call is just for pulling details on that single action19:26
alaskiare you thinking it should list?19:26
alaskioh, I see19:27
alaskiyou mean why require the server?19:27
mriedemi was just thinking it was kind of pointless to have to pass the server uuid if i have the request uuid and that's unique19:27
mriedemyeah19:27
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alaskihmm, I think because the server is needed to construct the URL19:28
alaskiyeah.  the API would need to be reworked to get around that19:28
mriedemrequest_id isn't unique in the instance_action table either19:29
alaskiit's not.  (uuid, request_id) is19:29
alaskiI think for the multiple server request case, but I don't actually recall19:29
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mriedem"The intention is that there will only be one of these per user request.  A lookup by (instance_uuid, request_id) should always return a single result."19:29
mriedemi don't actually see a UniqueConstraint enforcing that though19:29
mriedemi only see indexes19:30
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mriedemi'm not actually pursuing a duplicate instance action bug, was just checking to see how useful the NoValidHost is you get back when you hit the scenario in bug 144484119:31
openstackbug 1444841 in OpenStack Compute (nova) "Resize instance fails after creating host aggregate" [Medium,Invalid] https://launchpad.net/bugs/1444841 - Assigned to Qin Zhao (zhaoqin)19:31
mriedemand at least in kilo it's not helpful19:31
mriedembauzas: are you still around?19:32
bauzasmriedem: yup19:32
mriedembauzas: i was recreating bug 1444841 and trying to think of ways to prevent a user from getting themselves into this scenario,19:32
openstackbug 1444841 in OpenStack Compute (nova) "Resize instance fails after creating host aggregate" [Medium,Invalid] https://launchpad.net/bugs/1444841 - Assigned to Qin Zhao (zhaoqin)19:32
mriedemlike, if we can detect they are making a request that is going to then later restrict them, we could reject19:32
bauzasmriedem: I see your point, and that's potentially doable19:33
alaskimriedem: gotcha.  yeah the constraint could be added there.19:33
mriedemlike if you're doing a nova boot with availability-zone=nova but that az is not actually in any aggregates, maybe we should prevent that19:33
bauzasmriedem: but I just worry about having a good way to return like a 40019:33
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bauzasmriedem: sec, checking the policy rules for non-admins19:34
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alaskimriedem: and instance-actions has always struggled with returning good info for scheduling issues.  the errors occurred in a difficult to reach place and I wasn't able to untangle the scheduler logic enough to pass them up where instance-actions could get at them easily19:34
mriedemb/c once i add the host that my instance is running on to some aggregate, then my instance is associated with that AZ in that aggregate but instances.availability_zone in the DB is still 'nova'19:35
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bauzasmriedem: okay, so getting a list of AZs is not admin19:35
bauzas(just doublechecked)19:36
mriedembut aggregates is19:36
bauzasyeah19:36
mriedemalaski: yeah, i get this back for the action http://paste.openstack.org/show/463427/19:36
mriedembut couldn't we do that lookup internally with the admin context?19:36
mriedemfor validation?19:36
bauzasmriedem: there are 2 ways to have a problem19:36
bauzasmriedem: either as an user providing --az="nova"19:37
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bauzasmriedem: or, as an admin, providing an aggregate AZ metadata == "nova"19:37
mriedemalaski: was just thinking, in this AZ case for NoValidHost, it seems we could have a more specific message, like your instance is tied to AZ 1 but you're trying to migrate into AZ 219:37
bauzasmriedem: so, given that, we could have 2 checks19:37
bauzasmriedem: #1 for the user19:37
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mriedemalaski: but that might imply leaking info about aggregates, which would be bad....so maybe not19:38
bauzasmriedem: do something after _handle_availability_zone() and return a 400 if the az == nova19:38
bauzasmriedem: that's possible to return a 400 because the user can know the list of AZs19:38
bauzasso he can know which AZs to ask for19:38
mriedembauzas: well, if the nova AZ is explicitly in an aggregate then it's not a problem right?19:39
bauzasmriedem: that's the #2 item I said19:39
bauzasmriedem: if an aggregate has its AZ metadata equals to "nova", it will create some problems19:39
mriedemplus the user can't really do anything about it, if the admin moves the host into an aggregate with a different AZ after the user created the instance, the instance.az in the db is still tied to the original19:40
bauzasI mean, equal to CONF.default_az to be precise19:40
mriedemand that's what blows up19:40
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bauzasthere is a check for that19:40
mriedemto prevent moving a host into an aggregate with a different AZ?19:40
bauzasI mean, moving an host to another aggregate verifies the AZs19:40
alaskimriedem: leaking info is always part of the problem.  the 'events' property is admin only so we can put anything there.  Maybe a new exception inheriting from NoValidHost like CantMigrateBetweenAZs or something19:41
bauzasyeah19:41
bauzaslemme find that19:41
mriedembauzas: i moved a host from no aggregate into an aggregate19:41
mriedemwith a different AZ19:41
bauzasmriedem: that's in the compute api module IIRc19:41
bauzasmriedem: sec, checking the code19:41
bauzasmriedem: that https://github.com/openstack/nova/blob/master/nova/compute/api.py#L3696-L369719:42
mriedemalaski: yeah, extending NoValidHost might work for a specific case19:42
bauzasmriedem: so given https://github.com/openstack/nova/blob/master/nova/compute/api.py#L3649-L365219:43
mriedembauzas: i don't think that hits this case19:43
mriedemthat i'm reproing19:43
alaskimriedem: for now the error needs to be clear from the traceback so that seems the best option.  we could look at adding a freeform field there for the future.19:43
bauzasmriedem: to be clear, there are a few distinct rules between AZs and aggs19:43
bauzasmriedem: #1 is that one host can be in multiple aggregates, but can only be in one AZ19:44
bauzasmriedem: so implicitely, the host can be in 2 aggregates, but only one tagged with metadata19:44
bauzasmriedem: so, meaning that if your host was having no aggregates, that's acceptable to put it in one agg having AZ metadata19:45
bauzaswhat breaks the rule is when you name that AZ to the default AZ (eg. nova), because then we're unable to identify whether it's the default AZ or an explict agg19:46
mriedemso can we have a check for that on server create?19:46
bauzasmriedem: that's the AZ filter19:46
bauzasmriedem: say this testbed =>19:46
bauzasone host, no agg19:47
bauzasthen you boot a VM using --az foo19:47
bauzasnothing will prevent you to do so till you go to the AZ Filter19:47
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bauzasmriedem: in that case, it'll end up here https://github.com/openstack/nova/blob/master/nova/scheduler/filters/availability_zone_filter.py#L5419:48
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bauzasmriedem: because instance.az will be set but no metadata will be found, since the host doesn't belong to an aggregate19:49
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bauzasmriedem: so, since you asked for foo, you'll fail19:49
mriedemyeah, so you can only boot the instance with an az=nova (or the default)19:49
bauzasmriedem: because foo != nova19:49
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bauzasmriedem: like I said, you can do that explicitely but then you'll stick your instance to an AZ19:50
nikeshmis any one familiar with live snapshot in devstack kilo in ubuntu 14.04, i am getting libvirt version 1.2.2 which is not recommended for live snapshot, also i want quiesce which needs libvirt version>=1.2.519:50
bauzasmriedem: which is errorprone19:50
mriedembauzas: yeah, trying to prevent people from doing the error prone thing19:51
bauzasI mean, it's conceptually understandable that using --az forces the instance to that AZ19:51
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bauzasyou're explicitely contracting with an AZ19:51
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bauzasmriedem: hence my Invalid19:52
bauzasmriedem: but if we want to be gentlemen19:52
bauzasmriedem: then a 40x (possibly Conflict) could say "hey, no AZ named $that is existing, your dumb"19:53
bauzasmriedem: in that case, the user could just do "nova avalability-zone-list"19:53
bauzasmriedem: and say "okay, this is a pebkac"19:54
bauzasthat said19:54
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bauzasI just wonder if CONF.default_az would be shown as an existing AZ when "nova az-list"19:54
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bauzasthat would be terrible19:54
mriedemi think it is19:55
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bauzasmriedem: I need to spin-off a devstack, happy to try ?19:55
mriedembauzas: btw, it would be sweet if you could update http://docs.openstack.org/developer/nova/devref/aggregates.html with anything missing19:55
mriedembauzas: yeah, i can use the one i've got there19:55
mriedem*here19:55
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bauzaswell, I can also check the code19:56
mriedembauzas: like we could at least update the devref with a warning about booting instances to az=$default19:56
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bauzasmriedem: yeah, like I said a rule of thumb19:56
bauzasnever ever do that or suffer with pain19:56
bauzas(or change your CONF.default_schedule_zone)19:56
bauzasgosh, all of that is just terrible tribal knowledge :/19:57
mriedembauzas: http://paste.openstack.org/show/463447/19:57
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bauzasand like 90% of people are convinced that AWS AZs == Nova AZs19:57
bauzasmriedem: you were admin ?19:58
mriedemuh, sec19:58
bauzasmriedem: IIRC the view is far different when user19:58
mriedembauzas: this is user http://paste.openstack.org/show/463448/20:00
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* bauzas just says a very bad word in French20:01
bauzaswell, actually 320:02
mriedemsacre bleu?!20:02
mriedemwow i spelled that correctly20:02
bauzasp.tain de m.rde20:02
bauzasanyway20:02
bauzasso20:02
* bauzas just tries to see how we can fix a very broken design20:03
* bauzas also wonders by how much Cinder is impacted by that too20:04
bauzasso, the problem is with CONF.default_schedule_zone which is set to None20:04
bauzasthat makes the instance.az set to None20:04
bauzaswell, maybe not20:05
bauzasmaybe we could also try to refine some logic in the filter20:05
bauzasmriedem: I need to think about that, but I don't really see a nice quickwin now20:06
mriedembauzas: a short term quick win would be adding a warning to the devref for aggregates20:06
bauzasagreed20:06
bauzasdoing that now20:06
mriedemso that when you're hit by a bus we have a record20:06
mriedemwell, i guess irc logs20:06
bauzaswell, I'm remote20:07
bauzasso I guess I would rather be cautious with my desk or my electrical devices20:07
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bauzasmriedem: there is also https://bugs.launchpad.net/nova/+bug/1444841/comments/12 as a temporary record20:08
openstackLaunchpad bug 1444841 in OpenStack Compute (nova) "Resize instance fails after creating host aggregate" [Medium,Invalid] - Assigned to Qin Zhao (zhaoqin)20:08
bauzasI used some SHA1s for posterity20:09
mriedemheh20:09
mriedemlet's just add a warning to devref and point at that comment :P20:10
mriedem..warning:: FYI <link>20:10
mriedemi'm joking btw20:10
bauzasheh, even a commit msg empty pointing to that link ? check.20:11
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openstackgerritAndrew Laski proposed openstack/nova: Only set access_ip_* when instance goes ACTIVE  https://review.openstack.org/12933320:30
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mriedemalaski: well, i was looking at the scheduler code and trying to think how we could do CantMigrateBetweenAZs - unless i'm missing something, we don't have enough info to tell at the point that we raise NoValidHost20:32
mriedemsince the AZ filter is failing, but it's just returning a boolean20:32
mriedemso by the time we raise NoValidHost, we're just doing that because we don't have any hosts that passed filters20:33
alaskiokay.  I wasn't sure if that was the case, but that certainly makes this more difficult20:33
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mriedemyeah, so edleafe add the stuff that adds better logging when filters reject a thing20:35
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mriedembut that's just getting into the scheduler logs20:35
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alaskione idea that's been tossed around is to modify the return of the filter scheduler to be a list of hosts and a list of reasons for rejecting hosts, but that's a large change20:36
mriedemwondering if we could return an object from the filters that's got the pass/fail boolean but also a reason in the reject case20:36
mriedemand somehow pass that reason back up the stack20:36
bauzasalaski: mriedem: yeah that's something I looked in Kilo20:36
bauzas(I meaning no longer raising a NoValidHost)20:36
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bauzasbut that's quite a large thing20:37
mriedembauzas: well, or raising a specific type of NoValidHost20:37
alaskimriedem: yep, that's the best plan we've got atm20:37
bauzasneeding a spec etc.20:37
bauzasTasks could somehow help20:37
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alaskithere's still the challenge of knowing which reason is important.  the filter that failed 27 hosts or the one that failed the last 620:37
mriedemCantMigrateBetweenAZs wouldn't even be something you could do in the az filter i'd think, since i don't tihnk it knows you're doing a migration20:37
alaskibut might have failed them all anyways20:37
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mriedemalaski: yeah, not sure how you'd pick the right reason20:38
mriedemunless you weighted them20:38
bauzasyeah20:38
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mriedemso you'd have to catch NoValidHostAZReason in the cold migrate task and provide the nice user-friendly reason there20:38
mriedemlots of special casing crap probably20:39
bauzasmriedem: well, returning a specific exception needs better handling from the conductor PoV20:39
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mriedembauzas: even if it extended NoValidHost?20:39
bauzasmriedem: which would mean we would have to expose which filters are running20:39
bauzasmriedem: ah I see20:40
bauzasmriedem: no, of course if the base exception is NoValidHost20:40
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mriedembauzas: https://github.com/openstack/nova/blob/stable/kilo/nova/conductor/manager.py#L54120:40
mriedemi meant like special casing handling that there ^20:40
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mriedemexcept NoValidHostAZReason or something20:40
bauzasyeah yeah20:40
mriedembut, it's gross special case20:41
bauzasbut that means that we expose some scheduler bits at the conductor side and I'm not really fan of that20:41
mriedemyeah....20:41
mriedemcould throw a kwarg in the NoValidHost exception20:41
bauzashence the Tasks API20:41
bauzasbecause we could just say "heya, task 'scheduling" failed with reason "$foo"20:42
alaskiultimately I don't think the filter scheduler provides enough info to say what the reason for a failure is.  it's a composite of things20:42
bauzasalaski: also, good point20:42
alaskiabout the best we can do is probably a list of filters and number of hosts removed by each20:42
bauzasbut we don't want to expose those to the user :)20:43
alaskiright.  just to admins20:43
bauzaswhich is why we ended up doing log scrubbing20:43
mriedemi guess this is called job security20:43
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bauzasbecause there was no beating reason why adding a REST resource for that was nice - logs were enough if it was for operators20:44
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mriedemyeah, i've used it in gate failures20:44
openstackgerritSylvain Bauza proposed openstack/nova: Add some devref for AZs  https://review.openstack.org/22380220:45
bauzasmriedem: alaski: ^20:45
mriedemcool, thanks20:45
bauzasjust thinking about the problem, returning the default AZ is silly for nova az-list20:45
bauzasmriedem: I think a microversion removing that would help reduce the problem20:45
alaskilogs are enough, but detail in APIs that show errors are nice. like instance actions and faults20:45
bauzasalaski: you're telling that to someone wanting to help with the tasks effort :)20:46
bauzasalaski: I mean, you're doing a very valid point, just the problem is that we suffer from our interfaces (again)20:46
bauzasmriedem: so, back to the problem of http://paste.openstack.org/show/463448/20:47
bauzasmriedem: I'd just recommend to remove the line20:47
bauzasmriedem: that would fix the problem20:47
bauzasmriedem: no AZs == I can't use the az hint20:47
alaskibauzas: yep, I'm well aware20:47
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mriedembauzas: yeah, a microversion change, but i think that would help avoid confusion20:49
mriedembauzas: smells like a spec for mitaka20:49
bauzasagreed => microversion = spec fun20:49
mriedemin what case would showing the default AZ there be valid?20:50
mriedemif it's in an aggregate?20:50
bauzasmriedem: that's what we should debate in the spec, but I don't get any point where it could be valid20:50
bauzasright20:50
bauzasmriedem: that one20:50
mriedemalright20:50
mriedembauzas: want me to start writing that up this week or are you on the case?20:51
mriedemi'd need help20:51
bauzasmriedem: pretty busy with the tasks stuff, feel free to do that20:51
mriedemok, i'll take the todo and you can slap me around in the spec review20:51
bauzasmriedem: just reading the API code20:51
bauzasmriedem: sounds pretty straight-forward20:53
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bauzasmriedem: but it would require to modify https://github.com/openstack/nova/blob/master/nova/availability_zones.py#L119-L12020:55
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mikalMorning21:07
mriedemmikal: i have a bone to pick21:09
mriedemmikal: i'm still trying to figure out https://review.openstack.org/#/c/219980/1/nova/compute/manager.py21:10
mragupatHi all please suggest21:11
mragupatHow can i protect licensed VM (running in OpenStack)? AWS allow us today to perform handshake with their metadata service with unique signature. So when ever user snapshot the vm, the license become invalid. Is there any such service available in open stack? How can i do that using Openstack Metadata service. Is there any service available in openstack  that cannot be duplicated when i copy/snapshot the vm ?21:11
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mriedemmragupat: the snapshot image can be private, and i think by default is owned by the tenant user that created it21:21
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hitaliaHi, I need some help about VM live migration (block migration). I am running 1 controller and 2 compute nodes in a devstack environment with stable/kilo branch. I have also configured nova.conf with live_migration_flag by following openstack documentation (http://docs.openstack.org/admin-guide-cloud/compute-configuring-migrations.html)and configure libvirtd to listen on tcp but I do not see vm migr21:22
hitaliaate to new compute node when i use command nova live-migrate --block-migrate UUID NEW_NODE.21:22
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mriedemhitalia: see channel topic21:22
hitaliamriedem: Thanks!21:23
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mragupatsorry missed your msg, irx crashed can you pls post again21:24
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mriedemmragupat: the snapshot image can be private, and i think by default is owned by the tenant user that created it21:24
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mragupat<mriedem> yes my scenarios is different, i m selling my licensed application to openstack user. As a user/admin to the vm he owns my application. That should be fine. But if he take snapshot of running VM then i need to protect my licence some how21:28
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mriedemmragupat: that i don't know, it wouldn't be nova probably21:33
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mriedemi'm sure there is probably some project out in github that tries to satisfy that kind of need21:33
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mragupatmriedem: Ya thanks.21:34
nicI thought this bug and associated patch set were straightforward and easy to understand: https://review.openstack.org/21180921:34
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nicFrom the color of the reviews so far, it seems to be the opposite21:35
nicAny advice on how I can un-confuse things with it?21:35
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mikalmriedem: ahhh yes, we've failed to overlap enough to chat about that21:38
mikalmriedem: would you like to now?21:38
mriedemmikal: just leaving to get my kid from daycare21:39
mriedemmikal: but my comments are inline, basically i don't see how the code added makes any difference21:39
mikalmriedem: yeah, would this be easier in email given we never seen to overlap?21:39
mriedemor just the review, for context21:39
mikalmriedem: well, it works when I test it, and it didn't before?21:39
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mikalI'll write something up with pictures to explain what is happening if you want21:40
mriedemplease include finger puppets21:40
mikalLOL21:40
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mikalBut basically a soft reboot becomes a hard reboot if nova-compute fails during the soft reboot21:40
mikalBut the task state wont be one of those allowing a hard reboot to occur21:40
mikalSo nova-compute gets confused and throws and exception instead of starting21:41
mriedem_awaybut the reboot_instance method sets instance.task_state = thing depending on reboot_type passed in21:41
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mikalYes, but the reboot type is wrong at that point21:41
mriedem_awaybefore calling instance.save(expected_task_states)21:41
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mriedem_awaybut your code isn't changing the reboot_Type21:41
mikalI think I should write this up anyways because its complicated and subtle21:41
mikalI'll try and do that today21:41
mriedem_awayif your change checked if reboot_type == 'SOFT' and <task_state logic>: reboot_type = 'HARD"21:42
mriedem_awaythat would make more sense to me21:42
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mriedem_awayanyway, gotta run, i'll check the change later21:42
mikalOk21:42
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openstackgerritKen'ichi Ohmichi proposed openstack/nova: Add jsonschema validation for creating secgroup  https://review.openstack.org/18954421:43
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piyanaiHi, Is what described in the "Spec + Blueprint Life cycle" section on https://wiki.openstack.org/wiki/Blueprints still valid for Nova ? Thanks !22:00
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alex_xu_edleafe: it's fine, most of v3 works are done, next important thing is concept doc, that may need your help :) but I need catch sdague, to see if he have plan for that.22:23
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alex_xu__diana_: actually the legacy v2 API already deprecated, will be removed in the future, so I don't think it's worth to fix that22:28
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_diana_alex_xu_: Okay. Thanks for taking the time to answer me. Much appreciated!22:30
alex_xu__diana_: np :)22:30
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tsekiyamahemna: Can I clarify something about your comment on https://review.openstack.org/#/c/196482/ ?23:03
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hemnatsekiyama, I have to bail to soccer practice...23:11
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openstackgerritNicolas Simonds proposed openstack/nova: Add total cell/socket/core/thread counts to cpu_info  https://review.openstack.org/22386923:27
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