Tuesday, 2017-08-29

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openstackgerritMatt Riedemann proposed openstack/nova master: Add functional recreate test for live migration pre-check fails  https://review.openstack.org/49862700:09
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openstackgerritNaichuan Sun proposed openstack/nova master: xenapi: cached images should be cleaned up by time  https://review.openstack.org/46595401:59
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openstackgerritShunli Zhou proposed openstack/nova master: Transform servergroup.create notification  https://review.openstack.org/45402302:46
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openstackgerritMerged openstack/nova master: Fix a typo in code comment  https://review.openstack.org/49566505:37
openstackgerritMerged openstack/nova master: Remove "dhcp_options_for_instance"  https://review.openstack.org/49270705:39
openstackgerritMerged openstack/nova master: Prevent blank line at start of migration placeholders  https://review.openstack.org/49800405:40
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openstackgerritMerged openstack/nova master: Add placeholder migrations for Pike backports  https://review.openstack.org/49693205:50
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openstackgerritMerged openstack/nova master: Change default for [notifications]/default_publisher_id to $host  https://review.openstack.org/49809406:07
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openstackgerritMerged openstack/nova master: Improve assertJsonEqual error reporting  https://review.openstack.org/42819906:10
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yushiroHi, I'd like to give some help for registering host aggregate in stable/ocata with devstack environment.  I deployed 2 nodes.  1st is controller which compute driver is 'ironic'.  The other is compute node which compute driver is 'libvirt.LibvirtDriver'06:16
yushiroI'd like to separate 'virtual' and 'baremetal' by using host aggregate.  However, if I specify controller's hostname as aggregate host, it returns 404(Not Found)06:17
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yushiroHere is an operation log:  http://paste.openstack.org/show/619721/06:18
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yushiroWhat can I specify as <host> for 'openstack aggregate add host <aggregate> <host>'?06:20
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openstackgerritNaichuan Sun proposed openstack/nova master: (WIP)xenapi: Live migration failed in xapi pool  https://review.openstack.org/48945106:55
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ratailordoes anybody know, how to debug functional tests ?07:06
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openstackgerritShunli Zhou proposed openstack/nova master: Transform servergroup.create notification  https://review.openstack.org/45402307:18
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jaypipesratailor: hi Rajesh, what's up?07:22
jaypipesratailor: which functional test are you having trouble with?07:23
ratailorjaypipes, I want to debug a db migration functional test.07:23
ratailorjaypipes, FYI, I want to add a functionl test for this.. https://review.openstack.org/#/c/498334/07:24
jaypipesratailor: you mean debug the specific SQL that gets produced from, say, the nova.object methods?07:24
ratailorjaypipes, for this migration. https://review.openstack.org/#/c/498334/2/nova/db/sqlalchemy/api_migrations/migrate_repo/versions/045_mysql_host_mappings_binary_collation.py07:25
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jaypipesratailor: ah, yeah.07:26
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jaypipesratailor: it's complaining that you need to add a functional test for that migration to this file: https://github.com/openstack/nova/blob/master/nova/tests/functional/db/api/test_migrations.py07:27
jaypipesratailor: just take one of the other example tests, like for migration 003: https://github.com/openstack/nova/blob/master/nova/tests/functional/db/api/test_migrations.py#L23707:28
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ratailorjaypipes, I thought about that, but is there any way to debug it, so that I can check what all attributes are available with each object, to efficient write a test for that.07:29
jaypipesratailor: lemme take a look at your migration. one sec07:30
ratailorpython -m testtools.run discover nova.tests.functional.db.api.test_migrations07:32
ratailor jaypipes, I think this help me ^^07:32
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ratailorjaypipes, Thanks for your help.07:39
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openstackgerritNaichuan Sun proposed openstack/nova master: xenapi: Live migration failed in xapi pool  https://review.openstack.org/48945107:40
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openstackgerritNaichuan Sun proposed openstack/nova master: xenapi: Live migration failed in xapi pool  https://review.openstack.org/48945107:43
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jaypipesratailor|Lunch: k, reviewed. left instructions on the patch.07:46
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yushiroHi, I'd like to give some help for registering host aggregate in stable/ocata with devstack environment.  I deployed 2 nodes.  1st is controller which compute driver is 'ironic'.  The other is compute node which compute driver is 'libvirt.LibvirtDriver'07:56
yushiro I'd like to separate 'virtual' and 'baremetal' by using host aggregate.  However, if I specify controller's hostname as aggregate host, it returns 404(Not Found)07:56
yushiroHere is an operation log:  http://paste.openstack.org/show/619721/07:56
yushiroWhat can I specify as <host> for 'openstack aggregate add host <aggregate> <host>'?07:56
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jaypipesyushiro: generally best to ask usage questions like this on the openstack@ mailing list or ask.openstack.org (see channel /topic). but, short answer is that you want to use the *compute host* as the host in your aggregate, not the controller.08:05
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jaypipesyushiro: your ironic baremetal nodes will be managed by one or more nova-compute services. likewise, your VMs will be managed by nova-compute services running on hypervisor hosts. It is those nova-compute host names that you will use in doing the host-aggregate assignments.08:06
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yushirojaypipes, Thanks.  Ah, sorry.  I deployed 2 nodes( 1:controller with compute(including ir-cond, ir-api),  2:compute)08:08
openstackgerritElod Illes proposed openstack/nova master: Functional test: evacuate with no compute  https://review.openstack.org/49848208:09
yushirojaypipes, Yes, I think so too.  However, controller-hostname (furukawa-ctrl) cannot found ;( ...08:09
jaypipesyushiro: you will still need a nova-compute service on that controller node, though. if you do a nova-manage service list, what shows up?08:10
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openstackgerritGábor Antal proposed openstack/nova master: Transform instance.resize_prep notification  https://review.openstack.org/46508108:11
yushirojaypipes, hmm, my goal is to deploy instance both ironic and nova(libvirt) in 1 controller.  Let me check a result...08:12
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jaypipesyushiro: that won't work :) you'll need to set up a container running on the controller that has a separate hostname for the nova-compute service managing the Ironic nodes.08:13
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yushirojaypipes, ouch!!  oh, OK.  So, you mean it should be separated between nova-compute and ironic-conductor ?08:16
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jaypipesyushiro: the same nova-compute service cannot run *both* the libvirt *and* the ironic virt driver. therefore you will need to have the nova-compute service worker that manages the Ironic baremetal nodes on a separate installation than the nova-compute service running the libvirt virt driver and managing virtual resources.08:19
jaypipesyushiro: you can easily do so by just making a container that runs the nova-compute service with the ironic virt driver.08:19
jaypipesyushiro: that container can run on the same physical host that the other nova-compute service (that manages the virtual resources) is running on. But, it needs a separate hostname and separate process (because the nova.conf will be different)08:20
yushirojaypipes, Thank you.  Well, here is a result 'nova-manage host list'  http://paste.openstack.org/show/619730/   Please refer at the end of line.08:21
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yushirojaypipes, Let me explain again.. furukawa-ctrl includes n-cpu,n-csh,n-cond,n-api,n-cell-region,n-cell-child,placement-api,ir-api,ir-cond...,  and compute driver is 'ironic.IronicDriver',  furukawa-com includes n-cond,n-api-meta,n-cpu and compute driver is 'libvirt.LibvirtDriver'08:24
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jaypipesyushiro: you are using cellsv1 functionality?08:25
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jaypipesyushiro: you should not use cellsv1 (nova-cells service). what version of OpenStack are you running?08:26
jaypipesyushiro: and how are you installing? are you installing a distro like RDO?08:27
openstackgerritGábor Antal proposed openstack/nova master: Transform libvirt.error notification  https://review.openstack.org/48485108:27
yushirojaypipes, oops, sorry. I didn't tell you a version.  The version is stable/ocata with devstack.08:27
yushirojaypipes, I executed 'nova-manage cell_v2 list_cells' and returned   named 'cell0' which UUID is 00000000-0000-0000-0000-000000000000.08:28
jaypipesyushiro: yes, it's confusing. nova-cells service is cellsv1...08:28
jaypipesyushiro: in your localrc, did you enable NOVA_CELLS or something?08:29
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* jaypipes was almost certain devstack had removed cellsv1 stuff by now... :(08:29
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yushirojaypipes, Yes.  I added enable_service n-cell in my local.conf  because it was got an error if I didn't add this configuration.08:30
jaypipesyushiro: ok, I believe that is the primary source of the problems...08:31
jaypipesyushiro: I'm afraid you will likely need to start over with your devstack installation :(08:31
jaypipesyushiro: you probably hit an error related to "cellsv2 not setup" or similar, yes?08:31
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jaypipesyushiro: it is quite unfortunate that cellsv1 and cellsv2 are so confusing. :(08:32
yushirojaypipes, wow, really?  I didn't test 'cellsv2 not setup' but .... OK08:32
jaypipesyushiro: the nova-cells service is cellsv1 and deprecated. cellsv2 is entirely transparent and does not have separate service workers.08:33
jaypipesyushiro: what was the error you got?08:33
jaypipesyushiro: you said above "got an error if I didn't add this configuration.". what specific error did you get? do you remember?08:34
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yushirojaypipes, Sorry. I deployed this env for 2 month ago, log message has been removed ;(08:35
jaypipesyushiro: understood :) I think the error *probably* said something like "cellsv2 setup not complete" or something like that.08:37
jaypipesyushiro: I am 90% sure, however, that the source of your issue here is that cellsv1 is enabled in that environment and unfortunately, the only way to fix this is to start over and not have n-cells enabled.08:38
jaypipesyushiro: apologies for the bad news :(08:39
yushirojaypipes, no-no.  I appreciate with your kindly explanation :)  Thank you so much08:39
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openstackgerritLei Zhang proposed openstack/nova master: placement: extract traits from flavor extra spec  https://review.openstack.org/49202608:42
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openstackgerritNaichuan Sun proposed openstack/nova master: xenapi: cached images should be cleaned up by time  https://review.openstack.org/46595408:55
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openstackgerritNaichuan Sun proposed openstack/nova master: xenapi: cached images should be cleaned up by time  https://review.openstack.org/46595409:00
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openstackgerritNaichuan Sun proposed openstack/nova master: xenapi: Support live migration in pooled multi-nodes environment  https://review.openstack.org/48945109:11
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openstackgerritViktor Varga proposed openstack/nova master: Remove mox from unit/conductor/test_conductor.py (1)  https://review.openstack.org/49669109:34
openstackgerritViktor Varga proposed openstack/nova master: Ensure image metadata when unshelving BFV instance  https://review.openstack.org/49872909:34
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bhagyashri_sratailor: Hi, There is one alternative option to debug unit test case ref: http://superuser.openstack.org/articles/a-guide-to-testing-in-openstack/ not sure that is working or not.09:53
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ratailorbhagyashri_s, Thanks! btw I was looking for functional tests. :009:54
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ratailorbhagyashri_s, And I got that by this way.. python -m testtools.run discover nova.tests.functional.db.api.test_migrations09:54
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bhagyashri_sratailor: ok. :)09:55
openstackgerritAlex Xu proposed openstack/nova master: placement: ensure RP maps to those RPs that share with it  https://review.openstack.org/48037909:55
openstackgerritAlex Xu proposed openstack/nova master: placement: functional tests for multiple shared resource providers  https://review.openstack.org/49873709:55
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openstackgerritAlex Xu proposed openstack/nova master: placement: ensure RP maps to those RPs that share with it  https://review.openstack.org/48037910:01
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openstackgerritJianghua Wang proposed openstack/nova master: XenAPI: deprecate image handler class path option  https://review.openstack.org/49720110:17
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VAhlWARNING: cell0 mapping not found - not syncing cell0.  How do I recreate the cell0? OS Pike11:06
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openstackgerritMerged openstack/nova master: tests: De-duplicate some graphics tests  https://review.openstack.org/49796911:34
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openstackgerritMerged openstack/nova master: Updates to scheduling workflow doc  https://review.openstack.org/49861311:36
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openstackgerritJianghua Wang proposed openstack/nova master: XenAPI: define a new image handler to use vdi streaming  https://review.openstack.org/48647511:57
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openstackgerritBalazs Gibizer proposed openstack/nova master: cover migration cases with functional tests  https://review.openstack.org/49386513:04
bhagyashri_smriedem, jaypipes, dansmith: Hi, Just wanted to ask the future plans regarding resources usages related (cpu/disk/memory used) information in the compute_nodes db table, Is there any plan to remove this resource usages related information from compute_nodes db table, because till now what I observed is: resource usages are stored in allocations db table at placement side, so same thing needs to be store again in compute_nodes table as well.13:05
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jaypipesbhagyashri_s: excellent question :) I would really like to remove the usage fields from the compute_nodes table for those resource classes. however, we still rely on those fields unfortunately for some Compute REST API results.13:09
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jaypipesbhagyashri_s: until we rewrite those REST API pieces to use placement, we can't get rid of them.13:09
jaypipesbhagyashri_s: lemme grab some links for you... one sec13:10
claudiub|2artom: hello. around?13:11
jaypipesbhagyashri_s: tada: https://github.com/openstack/nova/blob/master/nova/api/openstack/compute/hypervisors.py#L5413:11
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jaypipesbhagyashri_s: that compute REST API endpoint (/os-hypervisors) need to just go away... :)13:12
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jaypipesbhagyashri_s: and essentially deprecated in favor of the placement API.13:12
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bhagyashri_sjaypipes: ohh ok.13:12
jaypipesbhagyashri_s: which has the /usages endpoint13:12
jaypipesbhagyashri_s: make sense?13:12
bhagyashri_sjaypipes: yes13:12
jaypipesbhagyashri_s: note that the compute API's GET /os-hypervisors endpoint is an admin-only hting13:13
jaypipesas is the placement API.13:13
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bhagyashri_sjaypipes: so is there any plan in future to deprecate that13:16
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bhagyashri_sjaypipes: and as you mentioned for compute rest api endpoint like /os-hypervisors we will get info from placement API.13:19
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artomclaudiub|2, yeah - give me, like, 30 minutes to drive kids to daycare13:19
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jaypipesbhagyashri_s: it's not been thoroughly discussed, no... probably a good thing to bring up on the mailing list and discuss in Denver PTG13:21
bhagyashri_sjaypipes: so that resource usages related columns in the compute_node table will not be needed any more13:22
mriedemgibi: i don't see much advantage in mocking out the FakeDriver here rather than just stubbing out the manager method https://review.openstack.org/#/c/498627/1/nova/tests/functional/test_servers.py13:22
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bhagyashri_sjaypipes: ok. Thank you for info and sure will discussed in Denver PTG.13:23
bhagyashri_sjaypipes: :)13:24
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lpetrutHi, we have an issue with nova assisted volume snapshots when a separate DB is being used for each cell. The API only accepts a volume id, fetching the instance id from the BDM. The issue is that the BDM object cannot be retrieved as the nova api service is looking in the wrong DB (not knowing which cell to use).13:33
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lpetrutI thought you guys may provide some input :) relevant nova api code snippet: https://github.com/openstack/nova/blob/5d3a11b9c9a6a5aecd46ad7ecc635215184d930e/nova/compute/api.py#L4076-L407813:34
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gibimriedem: mocking the manager method changes that part of nova we try to verify. While mocking the FakeDriver would only change the behavior of the test env. I also OK with way you did in your refactor patch by adding FakeDriver variants with a good class doc13:35
mriedemlpetrut: ah very possible. this doesn't grab the instance first, but if it did, the _get_instance method in the compute API would set the cell mapping in the context13:35
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mriedemlpetrut: can you report a bug?13:36
gibimriedem: ahh I see why you didn't added a FakeDriver variant.13:36
lpetrutmriedem: sure. the issue is that at this point, the instance id is unknown as it's not passed in the api call.13:36
mriedemlpetrut: yeah, which sucks, so we'll likely have to iterate the cells looking for the bdm13:36
mriedemand once found, target the context for the rest of the calls13:37
mriedemwe wouldn't have hit this in CI because only certain drivers, like NFS, test this API13:37
mriedemthere is an NFS job, but it's non-voting and in the experimental queue i think13:37
mriedemgibi: right i'd have to create a new test class to use a new virt driver13:38
openstackgerritViktor Varga proposed openstack/nova master: Ensure image metadata when unshelving BFV instance  https://review.openstack.org/49872913:38
mriedemgibi: i can see what mocking out the driver method instead looks like13:38
lpetrutmriedem: yep, that one's failing because of this: http://logs.openstack.org/21/498321/5/check/gate-tempest-dsvm-full-devstack-plugin-nfs-nv/b8bca96/logs/screen-c-vol.txt.gz?level=TRACE13:38
mriedemyeah - open a bug and we'll get a fix and backport for pike13:39
mriedemprobably not the pike GA at this point though, RC2 was last week13:39
lpetrutmriedem: sure. thanks13:39
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mriedemlpetrut: btw, does hyperv have a backend that supports this API? or just got this from a customer?13:40
lpetrutyeah, we have the Cinder SMB driver which uses it13:40
gibimriedem: if you mock.patch.object the FakeDriver object in only in the compute manager that you need to behave differently then you can even drop the if from your fake method. But these are just small gains I agree13:41
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mriedemlpetrut: ok, should get the docs updated then https://developer.openstack.org/api-ref/compute/#assisted-volume-snapshots-os-assisted-volume-snapshots13:41
mriedembecause that says only the libvirt driver supports this13:41
lpetrutgood point, thanks for mentioning it13:41
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mriedemlpetrut: actually i only see the libvirt driver implementing the "volume_snapshot_create" method in tree13:42
mriedemare you sure you don't have something in the compute hyperv repo that's not in nova?13:42
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lpetrutmriedem: actually, you're right. that didn't make it upstream13:43
mriedemthe bdm not found bug is still valid13:43
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mriedemfor libvirt + nfs13:43
lpetrutyep, I'll point to the NFS CI results13:43
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gibimriedem: OK. I'm convinced. The manager method your patch mocks just basically calls the driver methdon I suggested to mock, so we are not loosing real coverage with your mock13:49
gibimriedem: so I'm +113:50
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mriedemheh, and i just changed the test to mock the driver13:51
mriedemand it's passing, so i'll just leave it13:52
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gibimriedem: ohh, OK13:53
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gibimriedem: I like it both ways now13:53
mriedemjaypipes: is the derek carr on that k8s rescheduler email the same as the quarterback for the raiders?13:54
mriedembecause if so, that would be impressive13:54
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mriedemoh also a red hat employee13:54
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openstackgerritDan Smith proposed openstack/nova-specs master: WIP: Add migration-allocations spec  https://review.openstack.org/49851014:01
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openstackgerritStephen Finucane proposed openstack/nova master: doc: Add user index page  https://review.openstack.org/49881714:07
openstackgerritStephen Finucane proposed openstack/nova master: doc: Add configuration index page  https://review.openstack.org/49881814:07
openstackgerritStephen Finucane proposed openstack/nova master: doc: Cleanup of existing index pages  https://review.openstack.org/49881914:07
openstackgerritStephen Finucane proposed openstack/nova master: doc: Add contents pages  https://review.openstack.org/49882014:07
openstackgerritStephen Finucane proposed openstack/nova master: docs: Rename cellsv2_layout -> cellsv2-layout  https://review.openstack.org/49882114:07
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sean-k-mooneybeagles: hi o/ did you get an answer to your os-vif question?14:08
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beaglessean-k-mooney, no I ended up filing a bug to avoid falling through cracks https://bugs.launchpad.net/os-vif/+bug/171359014:09
openstackLaunchpad bug 1713590 in os-vif "Plugging VFs no longer works without a readable phys_switch_id" [Undecided,New]14:09
beaglessean-k-mooney, I'm not 100% on the code path so there might be something else going on or the configuration of the test system might be missing something. From the information I had, this seemed a valid issue14:10
artomclaudiub|2, hey, back, took longer than planned, sorry14:11
claudiub|2artom: no problem. :)14:11
claudiub|2artom: i have a question regarding the test_device_tagging tempest test14:12
artomclaudiub|2, sure14:12
claudiub|2artom: what kind of image are you using when testing it?14:13
claudiub|2artom: i assume cirros, right?14:13
openstackgerritStephen Finucane proposed openstack/nova master: doc: Remove deprecated call to sphinx.util.compat  https://review.openstack.org/49882414:13
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sean-k-mooneybeagles: os vif does not handel pluging vf normally14:15
sean-k-mooneybeagles: its should only do this if you have ovs with hardware offlod support.14:16
artomclaudiub|2, it uses a boot volume, created from whatever's image defined in the configuration14:16
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artomclaudiub|2, https://github.com/openstack/tempest/blob/master/tempest/api/compute/servers/test_device_tagging.py#L10214:17
sean-k-mooneybeagles: in you ml2_conf.ini i would guess you have the openvswitch mech driver listeted before the sriovnic agent correct?14:17
claudiub|2artom: i know. :)14:17
claudiub|2artom: but what do *you* use to test it with? :D14:17
artomclaudiub|2, doh, hah! Yeah, I used cirros14:17
claudiub|2hm interesting14:17
andreafzul: around? I have a change in Tempest that if merged would break some nova-lxd integration tests from the in-tree tempest plugin14:17
artomclaudiub|2, what's up?14:17
beaglessean-k-mooney, interesting ... tbh I don't know, the test system is likely gone at the moment. Where there was a patch that introduced this change to tripleo a short while ago, I think that's a safe bet14:17
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andreafzul: but I don't see those tests running anywhere in nova-lxd gate, so I was wondering if I can just change tempest and propose a patch to fix nova-lxd afterward?14:18
sean-k-mooneybeagles: basically  is you want sriov and ovs in the same deployment and all your sriov host dont supprot hardware offload you have to list sriov first.14:18
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claudiub|2artom: i'm also using a cirros, but only eth0 is configured in it, even if all the interfaces are attached. the problem is that the interface which gets to be eth0 is random, and making the VM un-ssh-able14:19
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claudiub|2artom: as the floating IP is associated with just one of the many private IPs the VM has.14:19
beaglessean-k-mooney,k. I'll check on that14:20
sean-k-mooneybeagles: that said we can probaly harden that could a more and retrun a specific exction rather then causing an io error by reading a file that does not exist14:20
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claudiub|2artom: was wondering if you had an issue like this14:20
artomclaudiub|2, I haven't run it manually in a long time14:20
artomclaudiub|2, how long has this been going on?14:20
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claudiub|2artom: i've started testing the pike release, so i've only seen it nowadays14:21
artomclaudiub|2, interesting. https://review.openstack.org/#/c/463837/ merged recently, and it changes which floating ip client gets used14:21
artomBut it passed the gate, so in and of itself it's not the root cause14:22
claudiub|2hm, interesting14:23
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artomclaudiub|2, there was also https://review.openstack.org/#/c/471116/14:24
artomBut again, passed the gate, so by itself it's not the issue14:24
zulandreaf: check with jamespage14:24
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artomclaudiub|2, I don't suppose you're running with nova-network by omission?14:24
claudiub|2artom: i don't think i've ever used nova-network. :)14:25
artomclaudiub|2, good.14:25
andreafzul: cool thanks - jamespage: this is the tempest patch https://review.openstack.org/#/c/492577/14:25
andreafjamespage: and this is nova-lxd code that would be affected http://git.openstack.org/cgit/openstack/nova-lxd/tree/nova_lxd_tempest_plugin/tests/api/compute/servers/test_create_server.py14:26
artomclaudiub|2, I'm sorry I can't be of more help, but I feel like you'll have to dig into tempest to figure out why it's doing that14:26
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artomThe test itself doesn't assign any floating IPs, it just sets validatable=True14:26
claudiub|2artom: yeah, will do. thanks for the input though. :)14:26
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artomAnd then tempest does its thing behind the scenes14:26
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artomclaudiub|2, it may have something to do with the tenant network in your deployment: https://github.com/openstack/tempest/blob/master/tempest/common/compute.py#L20614:29
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stephenfinmriedem, jaypipes: Fancy taking a look at these? https://review.openstack.org/#/c/498817/ and successors14:31
stephenfinThey fix some broken links that dhellmann pointed out and should be backported to Pike14:31
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mriedemstephenfin: seems like something sdague would have an opinion about14:31
mriedemregarding layout14:31
stephenfinIndeed. Any idea when he's back?14:31
mriedemthis week14:31
mriedemhe was here yesterday14:32
stephenfinOh, then I can wait for him too14:32
stephenfin(fwiw, I'm mostly just moving his stuff about)14:32
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openstackgerritMatt Riedemann proposed openstack/nova master: Add functional recreate test for live migration pre-check fails  https://review.openstack.org/49862714:34
claudiub|2artom: hm, so basically, the fip is always associated with the tenant network. while the NIC which gets to be eth0 in the VM is random for me.14:35
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claudiub|2artom: while before it seems that the fip was associated with the VM, not just one port.14:36
sdaguestephenfin: https://review.openstack.org/#/c/498817/1/doc/source/index.rst I really don't want to do that until we decide that's our direction at PTG14:36
sdaguebecause we just went the other way14:36
stephenfinsdague: We don't have much of a choice though. If we don't do this, we can't hook into the likes of https://docs.openstack.org/pike/user/14:37
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sdaguestephenfin: we can14:37
stephenfinWe need solid landing pages for each of those. I can duplicate stuff into the main index page, but that seems rather unhelpful :/14:37
sdaguewe don't have to take out all the deep linking from the main index page14:37
sdaguestephenfin: people are navigating in from all different directions, having every single one of them being explainatory is good14:38
stephenfinWould a simple '.. include' of each index page be a viable option?14:38
stephenfin*...option, in that case?14:38
sdaguestephenfin: I don't know, it probably won't be coherent14:38
stephenfinAye, probably not :/14:39
sdagueIt's really ok to explain things multiple ways and give multiple setups for why following a link is useful before you do it14:39
mriedemso the problem is you get this today? https://docs.openstack.org/nova/pike/user/14:39
mriedemwhich has no index14:39
sdaguemriedem: right, we should *definitely* fix that14:39
mriedemsame for https://docs.openstack.org/pike/admin/ and others i imagine14:40
sdaguewhich is this - https://review.openstack.org/#/c/498817/1/doc/source/user/index.rst14:40
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sdaguewhich is fine14:40
mriedemoh we have https://docs.openstack.org/nova/pike/admin/14:40
sdaguewe actually have an admin index already14:40
mriedemand https://docs.openstack.org/nova/pike/reference/14:40
sdaguemy objection is stripping out the context from https://review.openstack.org/#/c/498817/1/doc/source/index.rst at the same time14:40
mriedemso yeah why not just fix the user index?14:40
stephenfinthe admin index needs work though. It's ugly as sin :)14:41
sdaguestephenfin: sure, which is fine14:41
stephenfinmriedem: because it's basically duplicating exactly what's on the main index14:41
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stephenfinlike, I cut and paste14:41
sdagueI think the point is we need to realize that *all* of these are landing pages, for different contexts14:41
sdaguestephenfin: which is fine14:41
sdaguenova needs a coherent landing page for hitting the nova docs directly, the various guides need index pages that make sense in the context of the content they are exposed in14:42
mriedemstephenfin: why would it be the same as the main index?14:42
mriedemshouldn't /user just be what's in https://docs.openstack.org/nova/latest/#for-end-users ?14:42
mriedemfrom the main page?14:42
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stephenfinsdague: I don't know. It seems impractical to be taking a two hat approach in the long term14:42
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mriedemand exclude "for operators" and "for contributors" stuff14:42
sdaguestephenfin: that's what good documentation looks like14:42
sdagueit has a context and an audience14:43
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stephenfinBut...but...bother and hassle :(14:43
stephenfinSo if I drop the index page changes, the rest of it is reasonable enough?14:43
sdaguethe deep content isn't replicated, but the context and "why would I ever want to follow this link" is taylored to the reader you expect14:43
stephenfinat least, at first glance14:43
sdaguestephenfin: yeh, I'd be fine with that14:43
stephenfinKewl. I'll do that.14:44
stephenfinwhich isn't to say I'm enamoured with leaving the index page the way it is, but that's PTG stuff14:44
stephenfinAlso, mriedem: that's what I did :)14:44
stephenfinBut I stripped the stuff from the main index page then as duplication14:44
mriedemyour proposed user index has a bunch of operator stuff in it14:46
mriedemand nothing about the API version history or compute API reference14:46
mriedemwhich an end user would want14:46
gibicdent, mriedem: fyi, there is a resource allocation bug in resize same host when custom resources are involved: https://bugs.launchpad.net/nova/+bug/171373914:46
openstackLaunchpad bug 1713739 in OpenStack Compute (nova) "VM resize and confirm on the same host fails with custom resources" [Undecided,New]14:46
gibicdent, mriedem: regression test is being created14:46
cdentgibi: we were having _so_ much fun until you came back14:46
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stephenfinmriedem: Yeah, none of that is in the '/user' directory though. I was keeping only that stuff in there. A cross-reference wouldn't be any harm tho14:47
mriedemi guess that is either external or in reference directory14:48
sdaguestephenfin: we don't strictly have to only list stuff in /user14:48
mriedemguh, so...just have source/user/index.rst link back to the top level main index and be done with it14:48
gibicdent: It is not my finding :) I just suggested the certain test case to be created14:48
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sdaguehonestly, to avoid 404s, I'd say just write the user guide we think should be there, link whatever content is whereever, and it's fine14:49
sdaguelinks are not restricted about where they can go14:49
sdagueand the only people that will care that user isn't in the url are in this room14:49
cdentthe bug makes sense: the allocation creation routines are insufficiently custom resource class aware14:49
cdentgibi: ^14:49
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openstackgerritSteve Noyes proposed openstack/nova master: update live migration to use v3 cinder api  https://review.openstack.org/46398714:50
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sean-k-mooneystephenfin: did ye bottom out on how to handel pci devices on power yesterday?14:51
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gibicdent: interestingly we only see problems in the resize same host case so far14:51
openstackgerritEd Leafe proposed openstack/nova-specs master: Return Destination Objects  https://review.openstack.org/49883014:51
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edleafemriedem: dansmith: cdent: jaypipes: ^^ wrote a quick spec on the object solution we discussed yesterday. Feedback appreciated!14:52
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cdentedleafe: thanks. probably won’t have a chance to look with any rigor until tomorrow afternoon14:53
openstackgerritEd Leafe proposed openstack/nova-specs master: Return Destination Objects  https://review.openstack.org/49883014:53
jaypipesedleafe: cool. will review this evening.14:54
jaypipesedleafe: which is soon :)14:54
edleafejaypipes: thx14:54
stephenfinsean-k-mooney: I think efried and claudiub|2 opened some blueprints14:54
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stephenfinhttps://blueprints.launchpad.net/nova/+spec/allow-pci-alias-choose-subset-of-devices and https://blueprints.launchpad.net/nova/+spec/devices-as-resources14:54
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sean-k-mooneyedleafe: ovo for scheuler info from placement make sense or at least object instead of dictionaries.14:54
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sean-k-mooneystephenfin: there are two other spec that related to sriov bonding that would be good to group with those14:55
edleafesean-k-mooney: placement is http, so ovo isn't applicable.14:56
edleafesean-k-mooney: but yeah, from scheduler->conductor, ovo will help14:56
sean-k-mooneyedleafe: it is if you call object_to_primitive and then jsonutils.dump on it first14:56
sean-k-mooneyi would be really happy if we could start passing json serialised ovo across our apis in the future14:57
openstackgerritVladyslav Drok proposed openstack/nova master: Fix _delete_inventory log message in report client  https://review.openstack.org/49883314:57
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mriedemedleafe: jaypipes: dansmith: we should return compute node uuid back in the dict from select_destinations too, that would make lookups for providers on the client side quicker, so the client doesn't need to lookup a compute node by host/node just to get the uuid14:58
edleafemriedem: agreed. I already did that in my first crack at these objects14:59
mriedemthe dict that's returned isn't even versioned today14:59
dansmithI wasn't really paying attention to that conversation so I'll have to catch up when I look at that14:59
mriedemthis is unrelated14:59
mriedembut to fix a bug with cleaning up allocations during live migration,14:59
jaypipesmriedem: yup, agreed. good idea.14:59
mriedemi need the compute node uuid to remove the allocations and only have the dict from select_destinations which has the host/nodename15:00
edleafemriedem: we don't really need that dict per se, just the data in it15:00
edleafeand the object will version that15:00
mriedemso let's say i added a uuid key to the dict that's returned today, what would we change for the version?15:00
mriedemthe client rpc?15:00
mriedem*scheduler client rpc? or manager?15:00
edleafeprobably the former15:01
mriedemwell it's 4.5 either way i think15:01
edleafebut there's no point if we're gonna be changing the interface to use objects15:01
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mriedemplus i couldn't backport this, and we need to backport this fix...15:02
mriedemTODO in the code it is15:02
beaglessean-k-mooney, thanks for the info btw!15:03
edleafemriedem: you mean you don't have any reference to the compute node in the migration?15:03
sean-k-mooneymriedem: well for now you would have to do a condtional check to see if the uuid is present in the dictionary and look it up if not15:03
mriedemedleafe: not when we're still in the conductor task15:03
mriedemi have the dict returned from select_destinations15:03
mriedemwhich has the host/nodename, which i can use to lookup the ComputeNode to get the UUID15:03
sean-k-mooneybeagles: no worries i was off since thursday so just go back15:03
mriedemit's just a hassle15:03
artomclaudiub|2, fips have always been associated to ports IIRC15:04
edleafemriedem: I see15:04
mriedemsean-k-mooney: i'd rather not write in dead code15:04
sean-k-mooneymriedem: agreed but it may be needed for the backport. if we go to ovo defintions and and a object based interfaces then we can do it correctly in that version for queens on15:05
claudiub|2artom: yeah, you're right. anyways. will let you know what i'll find out15:05
artomclaudiub|2, sure, thanks15:06
cdentedleafe: i lied, apparently i had something to say now15:06
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edleafecdent: typical15:07
mriedemsean-k-mooney: i'm just going to lookup the compute node using the host and node strings that i already have15:08
mriedemold school15:08
mriedemwe can clean it up in queens with a uuid we get back later if that happens15:08
mriedemhence the TODO15:08
cdentedleafe: well you know, I was taunted, I couldn’t help myself, I’m an easy target for bait15:08
sean-k-mooneyspeaking of ptg does anyone have the link to nova etherpads?15:11
mriedemsean-k-mooney: https://etherpad.openstack.org/p/nova-ptg-queens15:12
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sean-k-mooneymriedem: thanks :)15:12
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sean-k-mooneyi just got approval at the weekend to travel so not i need to book all the things15:12
mriedemsean-k-mooney: and start coming up with 10 different scheduler filters you want to talk about15:13
mriedemlike in ATL15:13
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sean-k-mooneyhaha well perhaps. honestly alot of what i want to talk about on that front will hopefully be covered in the existing scheduler and placement sessiosn15:14
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sean-k-mooneythat said some topics i want to ensure we can model with placement and traists are, verifed boot(not the same as trusted boot), fpgas for tenants, power management of guests, and bandwith based scheduling(maily for sriov but maybe others in the future).15:18
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mriedemi think the huawei product team has a requirement for sriov bandwidth based scheduling15:19
mriedembut i don't really have details yet15:19
sean-k-mooneyim also interested in the pci overhal topics and live migration both across vif types and with sriov15:20
sean-k-mooneymriedem: cool we started working on that last year i think rodolfo had some patches up at one point15:20
sean-k-mooneywe should be able to model that with nested resource providers.15:21
gibisean-k-mooney, mriedem: ericsson also interested in the bandwith based scheduling, both for sriov and for ovs port as well15:21
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sean-k-mooneyeach pf would have a pool of bandwidth that could be consumed by the vf15:21
sean-k-mooneygibi: ovs does not support enforcing the bandwidth15:21
sean-k-mooneyactully it has bandwidth limits15:21
sean-k-mooneyit just does not support mimium bandwidth guarentees15:22
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gibisean-k-mooney: true, but as a first step we can trust the guest to only send/receive the requested bandwidth15:22
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mriedemsean-k-mooney: gibi: has anyone started a spec or etherpad for ideas or ML discussion, anything?15:22
gibimriedem: not from ericsson side15:23
sean-k-mooneywe had neutron or nova spec for this for pike15:23
gibisean-k-mooney: I think there was a neutron spec15:23
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edleafecdent: taunted right back15:24
sean-k-mooneyya ill see about geting a nova one created for queens and add it to the etherpad15:24
cdentedleafe: gracias15:24
gibisean-k-mooney, mriedem: here is the neutron spec https://review.openstack.org/#/c/396297/15:24
mriedemcool thanks, i'll pass this along15:25
sean-k-mooneymriedem: we have already landed part of this i think or atleas implemented it. what was missing on the nova side was a way to ensure we dont over subscribe which needs placemnet to do cleanly15:26
sean-k-mooneymriedem: ya the sriov enforcement is implemented here https://review.openstack.org/#/c/401254/2515:27
cfriesengibi: is it reasonable to trust the guests to do that?  That seems like a private-cloud-only scenario.15:28
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sean-k-mooneycfriesen: we dont have to turst them in all cases15:28
sean-k-mooneywith sriov the hardwer can enforce the minium bandwith gureentee15:29
sean-k-mooneywith vpp we may be able to do that in software and we could also extend ovs in the future to do it but that is a lot more work15:29
gibicfriesen: this is a temporary solution until OVS can be used to actually limit the bandwidth15:30
gibicfriesen: but you are correct that this is for private cloud only15:30
cfriesensean-k-mooney: gibi: we'd probably make use of the SRIOV case15:31
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sean-k-mooneyfor the sriov case the hardware will enforce the minimum bandwidth. provided we dont oversubscribe. eg. create 11 vf with 1G minium bandwith on a 10G nice15:32
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openstackgerritLucian Petrut proposed openstack/nova master: [wip] Fix nova assisted volume snapshots  https://review.openstack.org/49884515:39
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cdentedleafe: back at ya15:44
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edleafecdent: gee thanks!15:46
cdentit’s a pleasure collaborating with you sir15:46
mriedemlpetrut: mostly right, but some comments inline15:46
edleafecdent: wish I could say the same!  :-P15:46
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lpetrut_mriedem: great, thanks for the quick review15:48
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lpetrut_mriedem: about the context manager: didn't use that so that the targeted cell remains set15:49
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mriedemoh hrm15:51
mriedemlpetrut: yeah good point15:51
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mriedemmaybe leave a comment in there then, in the code i mean15:51
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openstackgerritElod Illes proposed openstack/nova master: Functional test: evacuate with no compute  https://review.openstack.org/49848216:02
mriedem#success gibi is now on the nova-core team16:03
openstackstatusmriedem: Added success to Success page16:03
mriedemi've successfully added success to the success page16:03
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ssmithmriedem: Changed that one line of code and now get this on a locked instance: "Instance a29d1e77-5191-4629-a913-ae98ed22e284 is locked (HTTP 409)"16:04
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ssmithNo "Locked" indicator on info of cli show so we have to remember if we get that message it's likely locked.  Too bad, this is a great feature in AWS which is called "Termination Protection"16:07
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mriedemssmith: nova also has that flag via the ec2api :)16:10
mriedemdisable_terminate i think it's called16:10
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mriedemssmith: which cli doesn't show if it's locked or not?16:11
gibiThank you all of you support helping me becoming a nova-core. \o/16:11
ssmithopentack server show16:11
mriedemssmith: use microversion 2.916:12
mriedemor greater16:12
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mriedemi dont know if the osc cli will print it though16:12
mriedembut the locked field comes back in the GET /servers/id response in 2.9+16:12
ssmithnova show [server] does show locked or now16:13
mriedemyeah, because nova cli negotiates for the latest microversion understood between the client and the server16:13
mriedemby default16:13
mriedemosc doesn't16:13
mriedemssmith: when you say, "Changed that one line of code and now get this on a locked instance: "Instance a29d1e77-5191-4629-a913-ae98ed22e284 is locked (HTTP 409)"" - you mean when you tried to delete the instance, right?16:13
ssmithYes, tried to delete. Get "Error: Unable to delete instance" in the UI and 409 on the cli16:15
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mriedemssmith: yeah, so we'd need a change proposed on master that uses a new policy rule for this16:15
mriedemrather than something in nova.conf16:15
mriedemssmith: if this isn't something you actually want to work on, then you could propose a backlog spec and someone else could pick itup16:15
ssmithThat would be better16:15
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ssmithAnd just to confirm no way to get the lock status to show in "openstack server show"?16:17
mriedemssmith: there is an option with the osc cli to specify a microversion16:17
mriedemso i'd try that first16:17
openstackgerritStephen Finucane proposed openstack/nova master: docs: Rename cellsv2_layout -> cellsv2-layout  https://review.openstack.org/49882116:18
openstackgerritStephen Finucane proposed openstack/nova master: doc: Add contents pages  https://review.openstack.org/49882016:18
openstackgerritStephen Finucane proposed openstack/nova master: doc: Cleanup of existing index pages  https://review.openstack.org/49881916:18
openstackgerritStephen Finucane proposed openstack/nova master: doc: Add configuration index page  https://review.openstack.org/49881816:18
openstackgerritStephen Finucane proposed openstack/nova master: doc: Add user index page  https://review.openstack.org/49881716:18
mriedemof course i can't search for microversions in just the osc docs https://docs.openstack.org/python-openstackclient/latest/search.html16:19
mriedemsince the docs migration to use the new sphinx theme16:19
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mriedemssmith: openstack help compute or something should give you the optoins16:19
mriedemit's --compute-api-version or something16:19
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mriedemssmith: --os-compute-api-version i think16:22
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mriedemi don't know if the osc cli whitelists the fields it shows though16:23
ssmithos-compute-api-version <compute-api-version>16:23
ssmith                        Compute API version, default=2.116:23
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mriedemyeah, so specify 2.916:24
ssmithopenstack server show a29d1e77-5191-4629-a913-ae98ed22e284 --os-compute-api-version 2.9 WORKED16:25
ssmithAny way to permanently set the version?16:25
mriedemenv var16:25
mriedemOS_COMPUTE_API_VERSION=2.9 i think16:25
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ssmithDid a "export OS_COMPUTE_API_VERSION=2.9" which worked16:28
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openstackgerritMatt Riedemann proposed openstack/nova master: Cleanup allocations on invalid dest node during live migration  https://review.openstack.org/49886116:31
mriedemdansmith: cdent: gibi: here is the fix for the live migration pre-check error bug ^16:31
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efriedsean-k-mooney that first bp was https://blueprints.launchpad.net/nova/+spec/pci-by-device-id whose spec (https://review.openstack.org/497965) has some good discussion started.16:33
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efriedjaypipes and I talked about it yesterday a bit and he encouraged me to move some of the main themes over to the other one stephenfin mentioned - https://blueprints.launchpad.net/nova/+spec/devices-as-resources - whose spec seed (not yet started) is here: https://review.openstack.org/49797816:34
efried...and to start an etherpad for same topic for the PTG.16:34
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openstackgerritLucian Petrut proposed openstack/nova master: Fix nova assisted volume snapshots  https://review.openstack.org/49884516:37
openstackgerritLajos Katona proposed openstack/nova master: WIP: Test server movings with custom resources  https://review.openstack.org/49739916:37
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dansmithmriedem: so, my feeling as we neared the end of pike was that we were really not doing ourselves any favors by trying to put the allocation stuff into the existing RT calls since we need to do different things and need some context from the compute manager to do the right thing16:41
dansmithwhich is why we do some silly stuff in RT like looking at if prefix == 'old_' to do certain things16:41
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dansmithmriedem: for this migration uuid thing, I kinda want to add these new paths to compute manager itself, so at least we can delete RT eventually without needing to move things out of it16:42
dansmithdoes that sound legit?16:42
dansmithit might mean moving some of our existing allocation handling back out of RT as well and just clearly marking which bits are legacy pike behavior and not16:42
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cdentdansmith: I can only speak for myself, but I think that’s totally legit16:46
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mriedemdansmith: i think in general that's OK given we've already started duplicating some allocation-specific stuff in the compute manager outside of the RT16:47
mriedeme.g. https://review.openstack.org/#/c/496976/16:47
dansmithI just spent 45 minutes trying to detect the condition I need from down in RT and it just doesn't make any sense I think16:47
mriedemit's also harder to debug16:48
mriedembecause of the layering16:48
mriedemRT is always a new journey for me everytime i have to look into it16:48
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openstackgerritMatt Riedemann proposed openstack/nova master: Refactor LiveMigrationTask._find_destination  https://review.openstack.org/49887416:59
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sean-k-mooneyefried: this one https://review.openstack.org/#/c/497965/2/specs/queens/approved/pci-by-device-id.rst17:05
sean-k-mooneyill take a look at it17:05
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efriedsean-k-mooney Great, thanks.  FYI that one's not going to fly as currently conceived, but it's got some good problem descriptions and the discussion is getting us moving in the right direction.17:10
openstackgerritMerged openstack/nova master: Enhance support matrix document  https://review.openstack.org/48201317:10
mriedemso it looks like we have to allocation-related bugs with evacuate,17:11
mriedem1. if you specify a host, we don't claim b/c we bypass the scheduler https://github.com/openstack/nova/blob/
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mriedem2. if you don't specify a host, we call the scheduler to find a host and create the allocations, but it rebuild fails in the compute we don't cleanup the allocations on failure17:12
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sean-k-mooneyefried: yes but its a good start. i had a call with jay and other regarding smartnic offload of ovs where we also dissued how the dual role the whitelist is playing is problematic.17:13
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efriedsean-k-mooney I would welcome thoughts on how the whitelist should work.17:13
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efriedI mean, we need to have one.  And it should probably be able to identify devices by classes or by specific IDs.17:14
sean-k-mooneyefried: basically i think it should just filter the list of pci devices and all other fuctionality such as tag or physnet association should be put into a different config option17:15
efriedYeah, that makes sense.17:16
sean-k-mooneydevice classes gets a little messy but may be usefull17:16
sean-k-mooneyyou proably dont want to just whitelist all net devices17:16
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efriedIf it's to fit in with the other RP stuff, I would imagine the whitelist would be able to specify any of the qualitative or quantitative properties of the resource as reported by the driver.17:18
efried"whitelist anything of type nic with a line speed >= 10Gbps"17:18
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openstackgerritBalazs Gibizer proposed openstack/nova master: Test resource allocation during soft delete  https://review.openstack.org/49515917:20
openstackgerritElod Illes proposed openstack/nova master: Functional test: evacuate with no compute  https://review.openstack.org/49848217:20
efriedCourse, trying to figure out a way to do boolean logic in a conf var...17:21
sean-k-mooneyefried: the issue with all nic >=10GB is nova now needs per class special casing of the whitelist parsing17:22
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efriedsean-k-mooney Well, the way Jay was talking about it, the whitelisting would be done by the driver.17:22
efriedSo the driver can define whatever whitelisting syntax it wants17:22
efriedAnd it will therefore naturally be hypervisor-appropriate17:23
efriedThat's one of the main things that I'm keeping an eye out for: that we don't wind up with a solution that works great for libvirt, but has to be kludged for e.g. HyperV or PowerVM.17:24
sean-k-mooneywell if we were talking about extending it to the classes as reproted but livirts nodedev-list in the libvirt dirver then that would be ok with me17:24
sean-k-mooneybut other wise im not sure17:24
sean-k-mooneywhat that really means is we need to all agree on a common set of resoce clasess in placement and driver specific implentaiton in the virt dirver that convert from the hyperviros defiened view into the generic form17:25
cdentqueue the super upper ontology17:26
sean-k-mooneywell i think we can proably agree that by the time the resouce lands in the condoctor/scheduler we proably dont want to still have to care about the hyperviror on the compute node17:28
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efriedsean-k-mooney Agree, and that's going to be a tough thing to do.17:29
efriedE.g. last time it was "assumed" that every PCI device would naturally have a PCI address.17:29
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sean-k-mooneyefried: i belive that is because the pci spec requires it17:31
efriedwhose spec?17:32
mriedemcdent: new one for you https://bugs.launchpad.net/nova/+bug/171378617:32
openstackLaunchpad bug 1713786 in OpenStack Compute (nova) "Allocations are not managed properly in all evacuate scenarios" [High,Triaged]17:32
sean-k-mooneyi belive the pci protocol is and ietf or ieee standard17:32
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efriedDoes the spec require the address to be 32 bits, and denoted as a string in domain:bus:slot.func format?17:33
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efriedanyway, spec or no, not all hypervisors address them that way.  And also, we're trying to extend to all devices, not just PCI.17:33
efriedwhich of course makes it even harder to agree on a common set of attributes for them.17:33
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sean-k-mooneywell https://review.openstack.org/#/c/497965/2/specs/queens/approved/pci-by-device-id.rst is just for pci but we should handel other device on other busses too17:35
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cdentmriedem: joy. so many twisting paths. i’m flying tomorrow and thursday so won’t personally be able to give that attention, but will try to make sure it is on the global radar17:36
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efriedsean-k-mooney BTW, I'm not advocating for that spec to be implemented at this point.  I think Jay's rebuttal is totally valid and I would love to see a more generic solution.17:37
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efriedThat said, I think if the generic solution as a baseline allowed inventorying, whitelisting, and aliasing via an opaque device ID, that would be a good starting point.17:37
sean-k-mooneyefried: well consideing i will need to track some nics that are not connect to the pci bus and will not have kernel netdevs in the futur more generic sound good to me17:38
efriedMove up to trying to create one-size-fits-all groupings/classes from there.17:38
cdentmriedem: how crazy would it be to have a StuffFailedSomewhereDeleteTheAllocationsAssociatedWithConsumerContainedInThisExeption ?17:38
efriedcdent flake8 failed17:38
cdenteagle eyes efried17:39
efriedHey man, I don't make the rules.  That's 86 characters.17:39
cdentwell crap, that kills that solution then17:40
* cdent sulks17:40
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efriedcdent I haven't been following the discussion, but if you're suggesting that an exception object could contain metadata that would tell the catcher how/what to clean up, I think it's a neat idea.17:41
sean-k-mooneycdent: well its python you can always have the __init__ change then name of the class to that at runtime if your really want to punish the people debugging17:41
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cdentsean-k-mooney: punishment is the name of the game17:47
cdentefried: yeah, that’s pretty much what I’m suggesting17:48
mriedemwe already have a thing similar to that17:48
mriedemused with a context manager17:49
mriedemit's clear as mud17:49
efriedIf you were using TaskFlow...17:49
sean-k-mooneycdent: if the exception point new how to solve the issue though would it not do it there instead of raising17:49
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cdentsean-k-mooney: yeah, that is indeed the rub17:49
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cdentalso the mudiness17:49
* efried stares slack-jawed at sean-k-mooney 17:49
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sean-k-mooneycdent: it a good idea for thing that need config changes or other operator involement but it could just me in a message filed then that was logged17:50
mriedemdansmith: you know what we need? forced host + unshelve!17:51
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sean-k-mooneyfor exampel. "this nova needs placement to work. go install it and read the docs"17:51
cdentefried: the broader discussion was in this deeply branching nest of different ways in which allocatins need to be cleaned up was it better to clean up at the end of each branch or somewhere else17:51
* dansmith glares at mriedem 17:51
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efriedcdent Taskflow.17:52
sean-k-mooneymriedem: so that you can unshvel an instance onto a specific host17:52
mriedemsean-k-mooney: not only that,17:52
mriedembut completely bypass the scheduler17:52
cdentI was hoping that the length of the exception name was a clear indicator that I thought it was mostly crazy pants; however, all the rest of the code is already crazy pants, so who knows17:52
sean-k-mooneymriedem: ah does the same happen with force boot to host e.g. skip scheduler17:53
mriedembut it does with forced host live migration and evacuate,17:53
cdentsee above about punishment17:53
mriedemand takashi is proposing to add the same to cold migrate17:53
mriedemso i'm closing the loop on all the ways we can screw ourselves17:54
sean-k-mooneywell if we added it for both boot and unshivle then it would be consitet for all apis i guess. im assuming it supprot for resise also?17:54
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mriedemresize == cold migration17:55
sean-k-mooneyah ok17:55
mriedemsean-k-mooney: i'm sorry but i raised it up to be an asshole17:55
mriedemyou've missed that part17:55
mriedemi don't actually want to do this17:55
cdentmriedem: help me clear up some gaps in my brains: did we generally know in advance that these edge cases were going to come up or had we thought that something would take care of it. I’m trying to grok if there’s a thing we can close up17:55
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mriedemcdent: in advance of what? placement or allowing these changes to the API to force a host and bypass the scheduler for evacuate and live migration?17:56
sean-k-mooneyhaha well at least i helped make it wors by bring up the other usecases17:56
mriedems/placement/claims in the scheduler/17:56
cdentclaims in the scheduler17:56
mriedemcdent: these special move operations were not considered with claims in the scheduler at all from what i can tell17:56
mriedemor probably move operations in general17:56
cdentk, thanks, good datapoint17:56
mriedemas we implemented that all as bug fixes after FF17:56
mriedemi think, whenever we did the double up thing in the scheduler anyway17:57
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mriedemoh sorry the doubled up allocations happened the day of FF17:58
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mriedemthat can't be right17:58
mriedemoh yeah no it was FF17:58
dansmithmriedem: move ops in general yeah17:59
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dansmithI'll be pushing some more stuff up in that series in a bit18:00
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dansmithgonna try to break things into really small bits where possible per my usual,18:00
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dansmithbut hopefully to make each change a clear and understandable win18:00
mriedemi'm checking out the unshelve failure flows to see what we might have missed18:00
mriedemand then will start working on the evacuate bug later18:01
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mriedemi guess i should start a retrospective etherpad for pike before the ptg...18:02
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mriedemi'm not sure i want to even think about what we did wrong18:02
cdentsome stuff. we admit it. done18:02
mriedemthat's reserved for when i wake up at 2am18:02
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mriedemok https://etherpad.openstack.org/p/nova-pike-retrospective18:11
mriedemposting to ML18:11
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tomtomtomhello, I'm having trouble launching instances with ephemeral volumes via ceph. anyone got any docs or pointers for such a configuration?18:13
tomtomtomcinder, nova, and ceph "seem" to be creating the volume but nova comes up with "no bootable device" each time.18:13
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mriedemtomtomtom: https://docs.openstack.org/nova/latest/user/block-device-mapping.html ?18:15
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sean-k-mooneytomtomtom: does normal booting work wtih ceph backed root device or only fails with ephemeral disk18:18
mriedemtomtomtom: can you clarify what you mean by 'ephemeral volumes'?18:19
mriedemare you actually booting from volume?18:19
mriedemand you consider it ephemeral because delete_on_termination=True?18:19
sean-k-mooneyalternitvly do you mean you have allocated ephmeral storage in the flavor and have confiuged nova to back all vm storage with ceph volumes18:21
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mriedemlooks like we're ok wrt allocations during unshelve18:27
mriedemconductor calls scheduler to pick a host, creates the allocations, and casts to compute18:27
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mriedemwhere the instance claim happens18:27
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* cdent makes another sacrifice18:27
mriedemno retries18:27
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mriedemactually, :)18:29
* cdent sacrifices mriedem 18:29
sean-k-mooneycdent: lol18:29
sean-k-mooneycdent: you realise that that would make it your problem to fix18:29
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mriedemwe make the claim, and then try to spawn the instance, if that fails we unset the instance.host/node values,18:30
mriedembut i'm not sure that we remove the allocations18:30
mriedemyeah we don't18:32
mriedemwe'd abort the claim on the exit of this https://github.com/openstack/nova/blob/
cdentmriedem: maybe you need to reset your scanning algorithm: look for where we do, because we started from the point of not thinking about it, thus...18:33
mriedemthat method, by default, sets has_ocata_computes=False18:33
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mriedemwhich means we won't fix the allocations https://github.com/openstack/nova/blob/
mriedemcdent: we just always relied on the periodic to heal things18:34
mriedemwhich is the same code that would have done this before ^18:34
cdenthow about we just put it back, for now?18:34
mriedembecause we want to remove it so the RT isn't trampling over thigns18:35
mriedemit just really means that we have to be very explicity about dealing with allocations everywhere18:35
mriedembut, that's probably for the best in the long run18:35
cdentthen in that case there’s no reason to express surprise that we aren’t handling things, yeah?18:36
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* cdent wonders if there’s a tidy validation strategy we can come up with18:39
cdentthe functional tests are great, but fairly heavy18:40
cdents/heavy/cumbersome to create18:40
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openstackLaunchpad bug 1713796 in OpenStack Compute (nova) "Failed unshelve does not remove allocations from destination node" [High,Triaged]18:43
mriedemthere are at least 2 ways unshelve can fail there which we don't cleanup the allocations18:43
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mriedemmaybe we need an undo_allocations decorator for several methods in the compute manager18:45
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cdentare the exit conditions workable for a decorator (or, to put it another way, how is that different from the two other ideas above?)18:46
mriedemit could be messy in a decorator, probably lots of conditional logic based on the operation being performed18:47
mriedemwhich is based on the task_state18:47
mriedemso i'm not going to bother thinking about that for now18:48
mriedemregarding the functional tests, i think we need those regardless18:49
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cdentoh, yeah, I wasn’t saying we should get rid of them18:49
mriedemsince we didn't have much in the way of negative functional scenario tests that were asserting allocations18:49
cdentbut I was wondering if something like a shell script that did curl based validations could be used to confirm where the bugs are18:49
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cdentnova < some command> […] curl to verify some allocation18:50
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sean-k-mooneycdent: why curl vs adding support for placement to the openstack client18:54
sean-k-mooneywe will need that evenutally anyway18:54
sean-k-mooneywe will also need it for traits18:54
mriedemsean-k-mooney: there are patches for an osc placement plugin18:54
mriedemcdent: yeah i thought about something like that the other night,18:55
mriedemlike, we have a post test hook into our CI environments to do things18:55
sean-k-mooneyoh cool then ya that would be easier to use in test code then curl as it handels gettin ghte keysone auth tokens for you which is a pain18:55
mriedemcdent: assuming we cleaned everything up properly, the nodes shouldn't have any allocations against them at the end of the job18:55
mriedemi think we run the archive instances stuff through that in our jobs somewhere18:56
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sean-k-mooneymriedem: i think we do someting similar in our thridpart collecd ci18:57
mriedemdansmith: don't we run archive_deleted_rows in our ci somewhere?18:57
mriedemyeah the post_test_hook.sh, i bet project-config is busted again18:58
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sean-k-mooneysoory got confued ignore the collectd comment but what i was goning to say is im not sure if post_test_hook.sh runs after the logs are upladed or not18:59
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mriedemoh it's only in the nova-next job18:59
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mriedemkablam! http://logs.openstack.org/61/496861/1/check/gate-tempest-dsvm-neutron-nova-next-full-ubuntu-xenial-nv/572ceed/logs/devstack-gate-post_test_hook.txt.gz19:00
cdentsean-k-mooney: I was thinking curl because of something quick and dirty that wouldn’t necessarily be a permanently running test, rather a diagnostic tool for nowish19:00
mriedemcdent: so it would be cool to write something that queries for allocations in the post test hook at the end of a job to see if they are 0 or not19:00
cdentalso, what’s hard about getting a token?19:00
mriedemanyway, i'll post the idea to the ML and people can think about it19:00
sean-k-mooneycdent: more you just need to do that first befor just calling curl and add it to the correct header19:01
cdentmriedem: would we’d need to track instance ids throughout the test or can we simply get all instances, including deleted ones?19:01
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sean-k-mooneycdent: if you want something quick just run a mysql command directly against the db19:01
sean-k-mooneyif there are still allocations in the output you know something is messed up19:02
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cdentsean-k-mooney: I tend do to a lot of export TOKEN=$(openstack token issue …); curl blah19:02
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sean-k-mooneycdent: huh i didnt know you could do openstack token issue ...19:02
cdentbut yeah, a db query would be fine too, but…boring :)19:02
sean-k-mooneythat makes things alost eaisier19:02
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cdentalso it would mean that we are assuming that placement will always have a db backend ;)19:03
sean-k-mooneyany time i have used curl like that i have manually used curl to get the token by calling keysone myself which is a pain19:03
cdentouch. yeah. that is painful19:03
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sean-k-mooneycdent: and yes i am assiming a db backend. honestly i spend enough time getting our ci test to stop going to the db directly and use the api instead so ya curl would be better if its going to last long enough for db assumtions to expire19:05
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sean-k-mooneyanyway time for food, see ye tomorow19:06
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mriedemcdent: i think we'd have to account for instances that aren't yet deleted19:07
mriedemcdent: but, the post_test_hook stuff doesn't fail the job i don't think, so this would just be an early report to start19:07
mriedemso we can kick ideas around19:07
* cdent nods19:07
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* cdent will read code on the plane19:09
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mriedemsdague: do you just want the commit message updated for this? https://review.openstack.org/#/c/457636/6/lib/placement19:20
sdaguemriedem: ok, this is long enough ago, I'm going to have to regain context19:21
sdagueI think the question is... do you always want that library installed?19:22
sdaguebecause, that won't install it in the normal case19:22
sdagueonly when you specify it as LIBS_FROM_GIT19:22
mriedemyes, we are going to want it in all cases i think19:22
sdaguewhich won't give you the release version, only the master version19:22
sdagueok, you you'll need an else19:23
mriedemi think roman did that because he was working on getting an osc placement functional test job to run from a proposed change19:23
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sdaguethat does a pip_install osc-placement19:23
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mriedemok. shouldn't the LIBS_FROM_GIT stuff be handled generically?19:23
mriedemlike, the job in project-config defines that i thought19:23
mriedemand you had me do something like this for os-traits19:24
mriedemto follow how the oslo libs are done19:24
mriedemyeah, devstack/lib/libraries19:24
mriedemso i guess i can push something to do that for osc-placement19:25
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mriedemsdague: i should use pip_install_gr right?19:33
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sdaguemriedem: yeh, though I think it all goes through that19:33
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sdaguemriedem: most of the time the library is dragged in from requirements somewhere19:33
mriedempip_install_gr wraps pip_install19:34
sdaguebut in the edge cases, like this19:34
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sdaguewhere it's not in anyone's requirements list19:34
sdagueyou need the fallback in code19:34
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mriedemhmm, i guess i can't use pip_install_gr yet since osc-placement isn't in global-requirements19:34
sdaguemriedem: we should fix that19:34
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sdaguewhy isn't it in there yet?19:34
mriedemnothing is using it?19:35
sdagueah, ok, yeh chicken and egg19:35
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sdagueis there a release yet?19:35
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mriedemosc-placement release is proposed20:19
openstackgerritMatt Riedemann proposed openstack/nova master: WIP: Handle ComputeHostNotFound on startup  https://review.openstack.org/48968320:19
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openstackgerritMatt Riedemann proposed openstack/nova master: Fix nova assisted volume snapshots  https://review.openstack.org/49884520:31
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mriedem^ needs a +W to fix a multi-cell issue, which will go back to pike20:35
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efriedjaypipes Is there any reason update_device_info() [names suck. feel free to suggest a better one.] needs to be separate from just get_inventory()?20:38
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dansmithmriedem: we hit that path because we literally have nothing more than the volume id to go on?20:57
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mriedemdansmith: yup, there is no instance in that API20:59
dansmiththat sucks20:59
mriedemthis is the fun one that cinder calls back for FS-style backends20:59
mriedemlike glusterfs and nfs20:59
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mriedemmaybe that create_info dict has the instance id in it21:01
mriedemthe api ref says that's optional and arbitrary21:01
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mriedemlooking at the cinder code, they don't send it either21:02
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* dansmith hugs us21:02
mriedemhey, thank your glusterfs red hat brethren21:02
mriedemfrom like, 4 years ago21:02
mriedemso this only really impacts like SAP which uses NFS for everything21:03
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openstackgerritMichael Still proposed openstack/nova master: Move lvm handling to privsep.  https://review.openstack.org/49551621:07
openstackgerritMichael Still proposed openstack/nova master: Move xend existence probes to privsep.  https://review.openstack.org/49553821:07
openstackgerritMichael Still proposed openstack/nova master: Move shred to privsep.  https://review.openstack.org/49553721:07
openstackgerritMichael Still proposed openstack/nova master: Cleanup mount / umount and associated rmdir calls  https://review.openstack.org/49442321:07
openstackgerritMichael Still proposed openstack/nova master: WIP / Aspirational: we don't need rootwrap any more.  https://review.openstack.org/49554221:07
openstackgerritMichael Still proposed openstack/nova master: Move loopback setup and removal to privsep.  https://review.openstack.org/49566421:07
openstackgerritMichael Still proposed openstack/nova master: Move libvirt usages of chown to privsep.  https://review.openstack.org/47197221:07
openstackgerritMichael Still proposed openstack/nova master: Don't shell out to mkdir, use ensure_tree()  https://review.openstack.org/49232621:07
openstackgerritMichael Still proposed openstack/nova master: Move the idmapshift binary into privsep.  https://review.openstack.org/49554121:07
openstackgerritMichael Still proposed openstack/nova master: Move ploop commands to privsep.  https://review.openstack.org/49232521:07
openstackgerritMichael Still proposed openstack/nova master: Read from console ptys using privsep.  https://review.openstack.org/48948621:07
openstackgerritMichael Still proposed openstack/nova master: Avoid chowning console logs in libvirt  https://review.openstack.org/47222921:08
openstackgerritMichael Still proposed openstack/nova master: First attempt at adding a privsep user to nova itself.  https://review.openstack.org/45916621:08
openstackgerritMichael Still proposed openstack/nova master: Move execs of touch to privsep.  https://review.openstack.org/48919021:08
openstackgerritMichael Still proposed openstack/nova master: Replace dd with shred for zeroing lvm volumes.  https://review.openstack.org/49553221:08
openstackgerritMichael Still proposed openstack/nova master: Move libvirts dmcrypt support to privsep.  https://review.openstack.org/49073721:08
openstackgerritMichael Still proposed openstack/nova master: Move execs of tee to privsep.  https://review.openstack.org/48943821:08
mikalmriedem: that's the fix to those unit tests you wanted in the dd --> shred patch21:08
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esberglumriedem: For the PowerVM Driver work, would you prefer that we create a fresh blueprint or just retarget the existing one?21:13
mriedemyou can't retarget a completed blueprint21:14
mriedemso it has to be new21:14
esbergluokay tx. Will do21:14
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mriedemomg it's live https://developer.openstack.org/api-ref/placement/21:16
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openstackgerritDan Smith proposed openstack/nova master: Move allocation manipulation out of drop_move_claim()  https://review.openstack.org/49894721:22
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openstackgerritDan Smith proposed openstack/nova master: Make allocation cleanup honor new by-migration rules  https://review.openstack.org/49894821:22
openstackgerritDan Smith proposed openstack/nova master: Revert allocations by migration uuid  https://review.openstack.org/49894921:22
openstackgerritDan Smith proposed openstack/nova master: WIP: Pre-create migration object  https://review.openstack.org/49895021:22
mriedemdansmith: i'm going through the spec for that right now btw21:23
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dansmithmriedem: okay I'm about to head out for a bit so take your time21:23
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mriedemok posted21:27
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openstackgerritMatt Riedemann proposed openstack/nova master: doc: link to placement api-ref and history docs from main index  https://review.openstack.org/49897722:49
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openstackgerritmelanie witt proposed openstack/nova master: Save updated libvirt domain XML after swapping volume  https://review.openstack.org/49898323:00
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mriedemis swap volume ever going to be complete?23:04
melwittwhat you mean23:04
mriedemwhat do YOU mean23:06
melwittI mean what do you mean by if it's going to be complete?23:07
mriedemi'm joking that it's a never ending source of bugs23:07
mriedemafter all these years23:07
melwittoh yes23:08
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melwittto your question, I tested it with a guest with persistent domain and it worked. delete_configuration is undefining the domain, which seems like a persistent config only thing23:12
melwittI changed it to read the live config, which AFAIK is completely separate from the persistent config. but I'm going to sanity-check with mdbooth or lyarwood to be sure23:13
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melwittergh, but this is about uefi support. which I didn't have in my repro env. so yeah I need to look into that23:15
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melwittor wait, the uefi is just a flag for undefining the domain. so that call undefines the domain (removes the persistent config IIUC) whether there's uefi support or not23:17
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openstackgerritSean McCully proposed openstack/nova master: iso8601.is8601.Utc No Longer Exists  https://review.openstack.org/49828723:23
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openstackgerritSean McCully proposed openstack/nova master: iso8601.is8601.Utc No Longer Exists  https://review.openstack.org/49828723:30
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mikalmriedem: where did you want on nova-net? Is it going to heaven?23:46
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