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| openstackgerrit | Takashi NATSUME proposed openstack/nova master: List/show all server migration types (1/2) https://review.openstack.org/430608 | 00:07 |
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| openstackgerrit | Takashi NATSUME proposed openstack/nova master: Enable cold migration with target host(2/2) https://review.openstack.org/408964 | 00:36 |
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| openstackgerrit | Takashi NATSUME proposed openstack/nova master: Add functional tests for cold migration to same host https://review.openstack.org/414926 | 00:41 |
| openstackgerrit | Takashi NATSUME proposed openstack/nova master: Add functional tests for cold migration to same host https://review.openstack.org/414926 | 00:41 |
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| openstackgerrit | Takashi NATSUME proposed openstack/nova master: api-ref: Add parameters in cold migrate action https://review.openstack.org/410042 | 00:45 |
| openstackgerrit | Takashi NATSUME proposed openstack/nova master: api-ref: Add parameters in cold migrate action https://review.openstack.org/410042 | 00:45 |
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| openstackgerrit | Takashi NATSUME proposed openstack/nova master: Fix missing marker functions https://review.openstack.org/469920 | 00:45 |
| openstackgerrit | Takashi NATSUME proposed openstack/nova master: Refactor a test method including 7 test cases https://review.openstack.org/395436 | 00:46 |
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| openstackgerrit | Takashi NATSUME proposed openstack/nova master: Remove unused exceptions https://review.openstack.org/464525 | 00:46 |
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| openstackgerrit | Takashi NATSUME proposed openstack/nova master: Use PCIAddressField in oslo.versionedobjects https://review.openstack.org/466201 | 00:46 |
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| openstackgerrit | Takashi NATSUME proposed openstack/nova master: List/show all server migration types (2/2) https://review.openstack.org/459483 | 01:20 |
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| openstackgerrit | Takashi NATSUME proposed openstack/python-novaclient master: Microversion 2.48 - Enable cold migration with target host https://review.openstack.org/406707 | 01:42 |
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| openstackgerrit | Takashi NATSUME proposed openstack/nova master: Specify keymap on server boot (1/2) https://review.openstack.org/458752 | 01:53 |
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| openstackgerrit | Jianghua Wang proposed openstack/nova master: DNM: test RFP failure https://review.openstack.org/470798 | 02:04 |
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| openstackgerrit | Takashi NATSUME proposed openstack/nova-specs master: Specify keymap on server boot https://review.openstack.org/448830 | 02:29 |
| openstackgerrit | Takashi NATSUME proposed openstack/nova-specs master: Abort Cold Migration https://review.openstack.org/334732 | 02:29 |
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| openstackgerrit | Takashi NATSUME proposed openstack/python-novaclient master: Microversion 2.48 - List/Show all server migration types https://review.openstack.org/430839 | 02:49 |
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| openstackgerrit | Jay Pipes proposed openstack/nova master: placement project_id, user_id in PUT /allocations https://review.openstack.org/469634 | 03:11 |
| openstackgerrit | Jay Pipes proposed openstack/nova master: placement: Add GET /usages to placement API https://review.openstack.org/469635 | 03:11 |
| openstackgerrit | Jay Pipes proposed openstack/nova master: placement: use separate tables for projects/users https://review.openstack.org/470645 | 03:11 |
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| openstackgerrit | Zhenyu Zheng proposed openstack/nova master: Send out notifications when instance tags changed https://review.openstack.org/459923 | 03:28 |
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| openstackgerrit | Takashi NATSUME proposed openstack/nova master: Specify keymap on server boot (2/2) https://review.openstack.org/460987 | 03:32 |
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| openstackgerrit | Merged openstack/python-novaclient master: 2.46: match nova API version https://review.openstack.org/470413 | 03:46 |
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| openstackgerrit | Jianghua Wang proposed openstack/nova master: DNM: test RFP failure https://review.openstack.org/470798 | 04:04 |
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| openstackgerrit | Claudiu Belu proposed openstack/nova master: POC: tests: autospecs all the mock.patch usages https://review.openstack.org/470775 | 05:10 |
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| openstackgerrit | Takashi NATSUME proposed openstack/nova master: Specify keymap on server boot (2/2) https://review.openstack.org/460987 | 05:12 |
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| openstackgerrit | falseuser proposed openstack/nova master: Clear instance root_device_name in rebuild operation https://review.openstack.org/464991 | 06:47 |
| openstackgerrit | Jianghua Wang proposed openstack/nova master: DNM: test RFP failure https://review.openstack.org/470798 | 06:48 |
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| gmann | sneti_: | 07:31 |
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| gmann | sneti_: ignore please. | 07:31 |
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| openstackgerrit | Sergey Nikitin proposed openstack/nova master: Standardization of VM diagnostics info API. https://review.openstack.org/355540 | 07:46 |
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| Kevin_Zheng | ping Matt | 08:04 |
| Kevin_Zheng | ping mriedem | 08:04 |
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| openstackgerrit | Jianghua Wang proposed openstack/nova master: Fix the race condition with novnc https://review.openstack.org/470798 | 08:24 |
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| openstackgerrit | Dirk Mueller proposed openstack/nova-specs master: Fix citation references (Sphinx 1.6.x compatibility) https://review.openstack.org/470252 | 08:39 |
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| openstackgerrit | Merged openstack/nova master: Remove unused exceptions https://review.openstack.org/464525 | 08:57 |
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| openstackgerrit | Merged openstack/nova master: Fix missing marker functions https://review.openstack.org/469920 | 09:03 |
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| openstackgerrit | Mikhail Feoktistov proposed openstack/nova master: Add is_vz_container function https://review.openstack.org/445947 | 10:33 |
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| openstackgerrit | Sean Dague proposed openstack/nova master: Send request_id on glance calls https://review.openstack.org/467242 | 11:10 |
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| wy | hello,everybody? | 11:36 |
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| wy | I have a question.Now,I do the live-migration successfully.However,when the VM(centos7) is playing video,the migration is failed.But,if I shut down the video,the migration is successful. | 11:38 |
| wy | Does the video affect the live-migration? | 11:38 |
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| wy | Please help me.... | 11:39 |
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| wy | I do the live-migration successfully.However,when the VM(centos7) is playing video,the migration is failed.But,if I shut down the video,the migration is successful. | 11:54 |
| wy | <wy> Does the video affect the live-migration? | 11:54 |
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| openstackgerrit | OpenStack Proposal Bot proposed openstack/nova master: Updated from global requirements https://review.openstack.org/470937 | 12:02 |
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| openstackgerrit | OpenStack Proposal Bot proposed openstack/python-novaclient master: Updated from global requirements https://review.openstack.org/469581 | 12:07 |
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| kwathore | @wy - no, video should not affect live-migration | 12:26 |
| wy | but why not success? | 12:26 |
| wy | Thanks first | 12:26 |
| kwathore | was video running on source compute node or destination compute node? | 12:27 |
| kwathore | share your nova compute logs | 12:27 |
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| wy | video playing on the source | 12:27 |
| wy | the logs has no error | 12:27 |
| wy | what do you want to see?nova-api?nova-scheduler? | 12:28 |
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| kwathore | logs must have some trace about live-migration successfull or not | 12:28 |
| kwathore | nova-compute logs from source compute node | 12:29 |
| wy | openstack live-migration,when video is playing,the migration is too long.Then,the vm does not migrate | 12:29 |
| wy | ok | 12:29 |
| wy | please wait | 12:29 |
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| wy | INFO nova.virt.libvirt.driver [req-b6f2476e-c9bc-42bd-9c34-9db9e5db0543 bb012ac6b0534fdba5bf70a16785fd8b 3bf434c0309549a291a79b38b34ed7e5 - - -] [instance: dc891233-dac6-4b9a-a1eb-fb51de84fddd] Data remaining 63950848 bytes, low watermark 729088 bytes 143 seconds ago | 12:35 |
| wy | 2017-06-05 20:34:23.664 32069 WARNING nova.virt.libvirt.driver [req-b6f2476e-c9bc-42bd-9c34-9db9e5db0543 bb012ac6b0534fdba5bf70a16785fd8b 3bf434c0309549a291a79b38b34ed7e5 - - -] [instance: dc891233-dac6-4b9a-a1eb-fb51de84fddd] Live migration stuck for 150 sec | 12:35 |
| wy | 2017-06-05 20:34:23.970 32069 ERROR nova.virt.libvirt.driver [req-b6f2476e-c9bc-42bd-9c34-9db9e5db0543 bb012ac6b0534fdba5bf70a16785fd8b 3bf434c0309549a291a79b38b34ed7e5 - - -] [instance: dc891233-dac6-4b9a-a1eb-fb51de84fddd] Live Migration failure: operation aborted: migration job: canceled by client | 12:35 |
| wy | 2017-06-05 20:34:24.170 32069 ERROR nova.virt.libvirt.driver [req-b6f2476e-c9bc-42bd-9c34-9db9e5db0543 bb012ac6b0534fdba5bf70a16785fd8b 3bf434c0309549a291a79b38b34ed7e5 - - -] [instance: dc891233-dac6-4b9a-a1eb-fb51de84fddd] Migration operation has aborted | 12:35 |
| wy | 2017-06-05 20:34:40.872 32069 INFO nova.compute.resource_tracker [req-36ecb5cc-4060-4006-8ed4-5c196020a583 - - - - -] Auditing locally available compute resources for node compute1 | 12:35 |
| wy | could this help?? | 12:35 |
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| wy | this has error.But I do not do any operation | 12:35 |
| wy | @<kwathore> | 12:36 |
| wy | @kwathore | 12:36 |
| wy | Thanks | 12:36 |
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| wy | please help me! | 12:43 |
| wy | Thanks ALL | 12:43 |
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| openstackgerrit | Eric Fried proposed openstack/nova master: Add service_token for nova-glance interaction https://review.openstack.org/419662 | 12:45 |
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| wy | sorry...i do not understand | 12:47 |
| asettle | wy: that was a automated bot | 12:48 |
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| wy | but wy? | 12:49 |
| wy | but why? | 12:49 |
| wy | how can i solve the problem? | 12:49 |
| asettle | wy: I don't know, have you tried googling your issue? Have you asked in ask.openstack.org? Have you asked in #openstack or #openstack-101 ? | 12:50 |
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| wy | google has no the problem | 12:51 |
| asettle | Maybe you should try one of the other avenues | 12:52 |
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| wy | I am trying | 12:53 |
| wy | but have no result | 12:53 |
| wy | asette | 12:53 |
| wy | asettle thanks a lot | 12:53 |
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| asettle | wy: just wait, everyone's working across the world and are not all awake at the same time. I would recommend waiting at least 48 hours for responses. If you are seriously struggling, email the openstack list with your query. | 12:54 |
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| wy | asettle Ok,thanks very much.I am trying other ways | 12:56 |
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| openstackgerrit | Eric Fried proposed openstack/nova master: remove ugly local import https://review.openstack.org/450787 | 12:57 |
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| openstackgerrit | Merged openstack/nova-specs master: Fix citation references (Sphinx 1.6.x compatibility) https://review.openstack.org/470252 | 13:13 |
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| mordred | mriedem: morning sir! over the weekend I did a bunch of looking in to new gate failures we're seeing creating servers in shade's functional tests, and I wrote it down in https://bugs.launchpad.net/nova/+bug/1695634 | 13:25 |
| openstack | Launchpad bug 1695634 in OpenStack Compute (nova) "Something weird just broke in creating servers" [Undecided,New] | 13:25 |
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| mordred | mriedem: tl;dr - seeing new racey tests that seem to be related to compute nodes not yet being registered with their cell | 13:26 |
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| mriedem | mordred: comment 1 and 2 have the same link | 13:29 |
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| mriedem | mordred: also you might have been seeing this red herring in the scheduler logs on startup https://review.openstack.org/#/c/454426/ | 13:30 |
| mriedem | now i see in later comments you reverted that one - but i don't think that's your issue | 13:31 |
| mordred | mriedem: whoops: http://logs.openstack.org/95/468095/2/gate/gate-shade-functional/3f5d8dc/logs/screen-n-sch.txt.gz#_Jun_02_12_45_15_755877 should be the second link | 13:31 |
| mordred | mriedem: and yes - I agree, I'm not sure that's the issue either | 13:31 |
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| mriedem | because all that should do is avoid a nasty stacktrace | 13:32 |
| mriedem | when we didn't really have anything to do yet anyway | 13:32 |
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| mordred | nod. avoiding stack-trace == good | 13:33 |
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| mordred | mriedem: if you look at the first link - it looks like maybe that attempt to create a server is happening before "Received a sync request from an unknown host 'ubuntu-xenial-osic-cloud1-s3500-9104911'. Re-created its InstanceList" | 13:35 |
| mordred | which is, I'm guessing, when the compute host gets registered with the cell, yeah? | 13:35 |
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| mriedem | that's a periodic task in the compute | 13:36 |
| cdent | mriedem: do you know when johnthetubaguy is expected to be back in circulation? | 13:36 |
| mriedem | cdent: this week i thought | 13:36 |
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| mriedem | mordred: the compute service has a periodic task to send a list of it's instances to the scheduler | 13:36 |
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| mriedem | maybe there is something i messed up with "registering" the host on the initial startup | 13:37 |
| mriedem | given this could all be disabled based on the config options you're using, i'd hope that's not the case | 13:37 |
| mriedem | b/c it'd be dumb | 13:37 |
| mordred | yah - because it seems like the first time it happens at http://logs.openstack.org/95/468095/2/gate/gate-shade-functional/3f5d8dc/logs/screen-n-sch.txt.gz#_Jun_02_12_47_14_428265 ... | 13:37 |
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| mordred | it indicates the host is unknonw - but then that issuedoesn't happen again, so it seems that the host is registered at that point? | 13:38 |
| mriedem | it registers it when it hits that sync | 13:38 |
| mriedem | and just defaults to an empty instance list for that host | 13:38 |
| mordred | yah | 13:38 |
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| mriedem | in an internal mapping | 13:38 |
| mriedem | so shouldn't be a problem | 13:38 |
| mordred | but I manage to try to create a server before registration | 13:38 |
| mriedem | mordred: this is a single node job right? | 13:39 |
| mordred | it is | 13:39 |
| mordred | and it's just using devstack defaults for nova | 13:39 |
| wy | morning every one! | 13:41 |
| wy | ~ | 13:41 |
| mriedem | i thought we used to call discover_hosts or simple_cell_setup in here https://github.com/openstack-dev/devstack/blob/master/lib/nova | 13:41 |
| mriedem | but i'm not seeing that now | 13:41 |
| wy | I do the live-migration successfully.However,when the VM(centos7) is playing video,the migration is failed.But,if I shut down the video,the migration is successful. | 13:41 |
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| wy | does the video affect the migration? | 13:41 |
| wy | INFO nova.virt.libvirt.driver [req-b6f2476e-c9bc-42bd-9c34-9db9e5db0543 bb012ac6b0534fdba5bf70a16785fd8b 3bf434c0309549a291a79b38b34ed7e5 - - -] [instance: dc891233-dac6-4b9a-a1eb-fb51de84fddd] Data remaining 63950848 bytes, low watermark 729088 bytes 143 seconds ago | 13:42 |
| wy | 2017-06-05 20:34:23.664 32069 WARNING nova.virt.libvirt.driver [req-b6f2476e-c9bc-42bd-9c34-9db9e5db0543 bb012ac6b0534fdba5bf70a16785fd8b 3bf434c0309549a291a79b38b34ed7e5 - - -] [instance: dc891233-dac6-4b9a-a1eb-fb51de84fddd] Live migration stuck for 150 sec | 13:42 |
| wy | 2017-06-05 20:34:23.970 32069 ERROR nova.virt.libvirt.driver [req-b6f2476e-c9bc-42bd-9c34-9db9e5db0543 bb012ac6b0534fdba5bf70a16785fd8b 3bf434c0309549a291a79b38b34ed7e5 - - -] [instance: dc891233-dac6-4b9a-a1eb-fb51de84fddd] Live Migration failure: operation aborted: migration job: canceled by client | 13:42 |
| wy | 2017-06-05 20:34:24.170 32069 ERROR nova.virt.libvirt.driver [req-b6f2476e-c9bc-42bd-9c34-9db9e5db0543 bb012ac6b0534fdba5bf70a16785fd8b 3bf434c0309549a291a79b38b34ed7e5 - - -] [instance: dc891233-dac6-4b9a-a1eb-fb51de84fddd] Migration operation has aborted | 13:42 |
| wy | 2017-06-05 20:34:40.872 32069 INFO nova.compute.resource_tracker [req-36ecb5cc-4060-4006-8ed4-5c196020a583 - - - - -] Auditing locally available compute resources for node compute1 | 13:42 |
| mordred | wy: hi! when you have things like that to share, please use http://paste.openstack.org/ and past a link instead | 13:43 |
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| mordred | mriedem: discover_hosts seems to be top level now | 13:44 |
| edleafe | Scheduler subteam meeting in 15 minutes in #openstack-meeting-alt | 13:45 |
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| mordred | mriedem: http://logs.openstack.org/95/468095/2/gate/gate-shade-functional/3f5d8dc/logs/devstacklog.txt.gz#_2017-06-02_12_46_16_568 | 13:45 |
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| mriedem | 2017-06-02 12:46:19.540 | Creating host mapping for compute host 'ubuntu-xenial-osic-cloud1-s3500-9104911': bc5499e9-2e12-4ae6-9e5b-58b8104de163 | 13:46 |
| mriedem | mordred: that's what we're waiting on - does your failed test run before that? | 13:46 |
| mriedem | looks like the test runs after | 13:47 |
| mriedem | Jun 02 12:46:58.103925 ubuntu-xenial-osic-cloud1-s3500-9104911 nova-api[16069]: INFO nova.osapi_compute.wsgi.server [None req-a92036cd-3f52-41d6-b104-cb446cfa0ca1 demo demo] 10.39.244.211 "POST /v2.1/servers HTTP/1.1" status: 202 len: 870 time: 0.6169720 | 13:47 |
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| wy | ok..thankd | 13:47 |
| mriedem | and we blow up here http://logs.openstack.org/95/468095/2/gate/gate-shade-functional/3f5d8dc/logs/screen-n-cond.txt.gz#_Jun_02_12_46_59_071485 | 13:49 |
| wy | http://paste.openstack.org/ | 13:49 |
| efried | mriedem mordred Haven't looked at the bug itself, but it sounds like it could be related to something we hit in the PowerVM CI, where discover_hosts was running before the compute service was ready to handle it. esberglu added a --strict option to discover_hosts that makes it exit nonzero unless it actually registered your host, so you can run it in a loop until it succeeds. | 13:49 |
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| wy | http://paste.openstack.org/show/X5rwWcSIkukpRU4ahJXm/ | 13:50 |
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| mriedem | hmm | 13:51 |
| mriedem | Jun 02 12:46:59.080235 ubuntu-xenial-osic-cloud1-s3500-9104911 nova-conductor[20263]: DEBUG oslo_concurrency.lockutils [None req-a92036cd-3f52-41d6-b104-cb446cfa0ca1 demo demo] Lock "00000000-0000-0000-0000-000000000000" acquired by "nova.context.get_or_set_cached_cell_and_set_connections" :: waited 0.000s: NoValidHost_Remote: No valid host was found. There are not enough hosts available. | 13:51 |
| mriedem | that looks like the scheduler is locking on cell0 | 13:51 |
| wy | Sorry sir.If anyone sees my problem,plese help me. I come from China,later,I will go to sleep,It is my sorry. please help me !http://paste.openstack.org/show/X5rwWcSIkukpRU4ahJXm/ | 13:52 |
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| mriedem | wy: it's probably better to ask that question on ask.openstack.org, | 13:53 |
| mriedem | yes video playing on the vm is probably causing issues during live migration, | 13:54 |
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| mriedem | it would also be helpful to know which version of nova you're running | 13:54 |
| wy | my openstack version is Mikita | 13:54 |
| wy | mriedem nova --version is 3.3.2 | 13:55 |
| wy | is any help? | 13:55 |
| mriedem | wy: fyi https://github.com/openstack/nova/commit/64a482c24d4dfc2aae42672de160ea38e948304c | 13:55 |
| mriedem | ^ is about a known issue in newton, so it's probably also in mitaka | 13:55 |
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| wy | thanks..i see | 13:56 |
| mriedem | https://review.openstack.org/#/c/429798/ was the change on master | 13:56 |
| mriedem | try disabling that config option | 13:56 |
| wy | but is any ways to solve? | 13:56 |
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| wy | ok..i will have a try | 13:56 |
| mriedem | please see the change and related bug report | 13:56 |
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| mriedem | mordred: i've got to get my kid to school and then will continue looking at this - i can't see any other changes around friday that would have caused this except the one yo'uve already identified | 13:57 |
| wy | ok...you are so kind | 13:57 |
| mriedem | there is likely some tightly coupled gorp in the scheduler that i'm not aware of | 13:57 |
| mordred | mriedem: awesome - and thanks - I'll keep poking too | 13:58 |
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| edleafe | Scheduler subteam meeting starting now in #openstack-meeting-alt | 14:00 |
| wy | mriedem hi,I have seen the url you send.However,My migration is live-migration and is based on the NFS.Importantly,I can not find the configuration--timeout...what should I do? | 14:04 |
| wy | mriedem sorry..I have found.I will try,if have any results,I will tell you | 14:06 |
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| openstackgerrit | Sean Dague proposed openstack/nova master: Send request_id on glance calls https://review.openstack.org/467242 | 14:16 |
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| wy | I have a question. live-migration speed has any relation to the band and others? | 14:21 |
| artom | wy, you mean bandwidth? Yes | 14:22 |
| artom | It's essentially copying the VM's RAM from one host to the other | 14:22 |
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| wy | artom just bandwidth? | 14:23 |
| prometheanfire | ocata python-novaclient still caps pbr, can we get a release to start uncapping again? | 14:23 |
| artom | wy, not only. The rate at which the contents of RAM changes also affects it | 14:24 |
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| mriedem | prometheanfire: sure, will do | 14:24 |
| wy | Now the problem has none.But,I just open a video on a VM but not play it,now it has migrated 5minutes but not over | 14:24 |
| artom | The faster the source memory is changing, the longer it'll take, since the destination has to "catch up" by receiving more memory | 14:24 |
| wy | but the VM is just opening a video not playing...But why it takes so long? | 14:25 |
| mriedem | prometheanfire: need to get https://review.openstack.org/#/c/464867/ in first | 14:26 |
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| wy | mriedem thanks for you.I have solved problem as you said..but the time it takes so long | 14:26 |
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| artom | wy, sometimes the best things in life take time ;) | 14:26 |
| wy | artom ok.. | 14:26 |
| wy | artom I do not understand | 14:27 |
| artom | wy, just a joke, ignore it :) | 14:27 |
| wy | artom the vm ram is not changing now..but it takes so long | 14:27 |
| artom | wy, I'm not sure what else you need. You said mriedem's suggestion solved your problem. | 14:27 |
| prometheanfire | mriedem: k, thanks | 14:27 |
| mriedem | artom: always the romantic | 14:28 |
| wy | artom yes...I changed the configuration.just disable the live_migration_progress_timeout | 14:28 |
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| mriedem | wy: the question is, does it eventually complete | 14:29 |
| mriedem | now that you've disabled that timeout | 14:29 |
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| wy | mriedem now,it is still migrating for about 8minutes ,it does not have error | 14:29 |
| artom | mriedem, if you have a moment, mind taking a look at https://review.openstack.org/#/c/465205/? | 14:30 |
| wy | mriedem could I think it effects? | 14:30 |
| mriedem | artom: would like lyarwood_ and mdbooth to look at that first, | 14:30 |
| artom | Fairly straightforward fix to the XML that swap_volume generates | 14:30 |
| mriedem | they've been involved in swap volume stuff in the libvirt driver for awhile | 14:30 |
| artom | mriedem, they did, on a previous revision | 14:30 |
| mriedem | i see | 14:31 |
| artom | Nothing's really changed | 14:31 |
| artom | Comments, and formatting, and... | 14:31 |
| mriedem | well i've got to dig into mordred's problem first | 14:31 |
| artom | mriedem, no, my stuff is obviously way more important | 14:31 |
| mriedem | i can star it | 14:31 |
| wy | mriedem but i think it would not migrate successfully forever | 14:31 |
| mordred | artom: :) | 14:31 |
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| mriedem | wy: i may be mistaken but i though there was a way to check progress with virsh or qemu command line | 14:32 |
| mordred | mriedem: I just pushed up a silly patch in shade to look for "Successfully synced instances from host" in the scheduler logs before starting to run shade's tests | 14:32 |
| wy | mriedem i have found none.openstack has not provide command to see the process | 14:32 |
| wy | mriedem i am seesing the compute log.but the remaining data decends for a while then asend.. | 14:33 |
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| wy | mriedem could I think it would not migrate successfully forever? | 14:34 |
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| mriedem | wy: i mean like "migrate -d URI" https://www.linux-kvm.org/page/Migration#Management | 14:34 |
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| mriedem | wy: https://www.youtube.com/watch?v=Vy8rS_5vea4 about 9 minutes in talks about some of this | 14:36 |
| mriedem | virsh domjobinfo <domain> | 14:36 |
| mriedem | for example | 14:36 |
| wy | mriedem thanks,i will have a look at | 14:36 |
| wy | mriedem you are so helper | 14:36 |
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| mordred | mriedem: because looking througha few logs of successful runs, that seems to happen approximately around when we launch functional tests anyway - so it may just be a legit race-condition between the cloud settling in and the tests getting started (although also maybe there is a real bug obvs) | 14:37 |
| wy | mriedem sorry | 14:37 |
| wy | mriedem i do not understand | 14:37 |
| wy | mriedem but what is the uri? | 14:38 |
| mordred | mriedem: also, every time someone types "virsh" I think they're mistyping vishy ... | 14:38 |
| wy | mriedem what i should input in the command | 14:38 |
| mriedem | wy: virsh domjobinfo --help ? | 14:39 |
| mriedem | i assume <domain> is the domain id | 14:40 |
| wy | mriedem It is still migrating about many minutes..I just shut down the video.it successfully migrate | 14:40 |
| mriedem | e.g. 00000000ef or something | 14:40 |
| wy | mriedem ok | 14:40 |
| wy | mriedem is the video affects? | 14:40 |
| mriedem | wy: i assume so yes | 14:41 |
| mriedem | everything the source vm is doing has to be transferred to the destination vm | 14:41 |
| wy | mriedem but i just open the video but not playing it ..it means the video is suspend | 14:42 |
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| wy | mriedem open the video but not playing it,this will contribute to the change of the ram? | 14:43 |
| wy | mriedem or we can say,my bandwidth is not enough,so the changes of ram is bigger than the transmit?? | 14:44 |
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| wy | mriedem thanks very much.it is 11,i have to go to dormitory to sleep.It is my pleasure to make friends with you.You are so kind | 14:47 |
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| wy | mriedem but ,If you have seen,please help me solve my questions...ahah | 14:48 |
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| openstackgerrit | Andrey Volkov proposed openstack/nova master: [WIP] [placement] Add api-ref for allocations https://review.openstack.org/470933 | 14:50 |
| openstackgerrit | Andrey Volkov proposed openstack/nova master: [placement] Add api-ref for aggregates https://review.openstack.org/470932 | 14:50 |
| mriedem | wy: you're welcome. i don't have a good answer to your question about a paused video during a live migration | 14:50 |
| mriedem | and this isn't really the place to debug that level of detail probably | 14:50 |
| mriedem | mordred: ok so back to your thing, this stacktrace is when the compute starts up and calls update_instance_info before the host is mapped http://logs.openstack.org/95/468095/2/gate/gate-shade-functional/3f5d8dc/logs/screen-n-sch.txt.gz#_Jun_02_12_45_15_755877 | 14:51 |
| mriedem | then we map the host here http://logs.openstack.org/95/468095/2/gate/gate-shade-functional/3f5d8dc/logs/devstacklog.txt.gz#_2017-06-02_12_46_19_540 | 14:51 |
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| mriedem | the server create request hits the scheduler here http://logs.openstack.org/95/468095/2/gate/gate-shade-functional/3f5d8dc/logs/screen-n-sch.txt.gz#_Jun_02_12_46_59_055921 | 14:52 |
| mriedem | 40 seconds later | 14:52 |
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| mriedem | mordred: methinks the problem isn't with the compute host not being mapped, | 14:55 |
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| mriedem | but rather the compute host failing to register with placement | 14:55 |
| mriedem | b/c the scheduler is asking placement for resource providers (comptue nodes) to satisfy the request | 14:55 |
| openstackgerrit | Sean Dague proposed openstack/nova master: Be more tolerant of keystone catalog configuration https://review.openstack.org/438049 | 14:56 |
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| openstackgerrit | Eric Berglund proposed openstack/nova master: Add PowerVM to nova support matrix https://review.openstack.org/470999 | 14:58 |
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| mordred | mriedem: ah -ok that makes sense to me | 14:59 |
| mriedem | mordred: still tracing the n-cpu logs | 14:59 |
| mriedem | sdague: fyi while you were out, a few of the clients you needed for the global request id stuff got blacklisted | 14:59 |
| mriedem | the versions that is, neutronclient 6.3.0 for sure | 15:00 |
| cdent | dansmith: that was just an example of a pattern, not a plan | 15:00 |
| openstackgerrit | Eric Berglund proposed openstack/nova master: Add PowerVM to nova support matrix https://review.openstack.org/470999 | 15:00 |
| sdague | mriedem: yeh, saw that, but the glance one looks fine now | 15:00 |
| edleafe | dansmith: what cdent said | 15:01 |
| sdague | mriedem: so I flipped that around | 15:01 |
| dansmith | cdent: okay it seemed like it would be specifically targeted stuff for nova's scheduler though | 15:01 |
| jaypipes | cdent, alex_xu, edleafe, dansmith: join #novaschedulercontd | 15:01 |
| edleafe | dansmith: it doesn't have to be | 15:01 |
| dansmith | jaypipes: ugh, can't we hangout? | 15:02 |
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| jaypipes | dansmith: I'm happy to hangout. | 15:02 |
| dansmith | jaypipes: new irc channels ftl, even if short-lived | 15:02 |
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| cdent | i can hangout | 15:02 |
| jaypipes | ok, let's do a hangout. | 15:02 |
| jaypipes | one sec, I will set up | 15:02 |
| dansmith | can we have five mins for food/coffee? | 15:02 |
| dansmith | I have had neither yet | 15:02 |
| edleafe | dansmith: +1 | 15:02 |
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| edleafe | How about at <yourtime>:15 ? | 15:03 |
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| cdent | wfm | 15:03 |
| mriedem | sfinucan: looks like we deprecated the use_neutron config option, which is going to be a bit confusing if you're using nova-network with cells v1 | 15:03 |
| openstackgerrit | Chris Dent proposed openstack/nova master: Sync os-traits to Traits database https://review.openstack.org/469578 | 15:03 |
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| dansmith | yeah | 15:04 |
| dansmith | I can fill out three or four employment applications in 15 mins | 15:04 |
| jaypipes | dansmith, cdent, edleafe, alex_xu: https://hangouts.google.com/call/fxu4kc4ufrakhiwjyq6idxrmcqu | 15:04 |
| jaypipes | I'll just sit in the hangout. join as you will. | 15:04 |
| cfriesen_ | did anyone sort out the issue with jenkins getting stricter about releasenotes? | 15:05 |
| cfriesen_ | I'm looking at this in particular, hitting it on my local machine as well: https://review.openstack.org/#/c/435141 | 15:06 |
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| lei-zh | jaypipes, for requesting traits part, are we going to let users to specify traits associated with top resource providers and nested ones? | 15:07 |
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| jaypipes | lei-zh: my initial thoughts on that matter were that we would continue to use the flavor as the thing that users would request, and flavors would have a "required" attribute that was a list of string traits that were required by that flavor. | 15:09 |
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| jaypipes | lei-zh: long-term, I would love to have a compute API that allowed the user (or certain users I suppose) to request specific traits directly and not have to request a particular flavor. | 15:10 |
| jaypipes | lei-zh: but we're a ways from that. :) | 15:10 |
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| alex_xu | jaypipes: lei-zh , I'm thinking the meaning of required_traits is that 'give me a resource provider or it's nested provider includes those required traits' | 15:11 |
| jaypipes | alex_xu: correct. (also shared provider) | 15:11 |
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| mordred | mriedem: in general, please let me know if there is anything I can do to help - I'm pretty sure we've passed my level of understanding of being helpful with debugging further, but I'll dig in to whatever if it's useful | 15:13 |
| mriedem | mordred: sure, if it's placement it should be fairly easy for me to see what's up | 15:14 |
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| mordred | mriedem: also, is there any way as a user to get "no hosts could schedule this request" is the cause of the error? | 15:14 |
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| sdague | mriedem: did you ever get the mysql specific test case merged from a couple of weeks ago? | 15:19 |
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| mriedem | sdague: nope | 15:20 |
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| mriedem | sdague: haven't found time to get back to it yet | 15:20 |
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| sdague | mriedem: was it working? | 15:21 |
| sdague | or not? | 15:21 |
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| mriedem | sort of | 15:21 |
| mriedem | https://review.openstack.org/#/c/467772/ | 15:21 |
| mriedem | https://review.openstack.org/#/c/467772/2/nova/tests/functional/test_servers.py@1029 | 15:21 |
| mriedem | i think we have to do some things manually for setting up the cell mapping pointed at the mysql backend | 15:22 |
| mriedem | and then create the HostMapping and map that to the CellMapping manually also | 15:22 |
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| mriedem | for our single nova-compute service | 15:22 |
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| mriedem | mordred: the user gets a 202 so they don't see the cause | 15:22 |
| sdague | ok, maybe I'll play with it | 15:22 |
| mriedem | mordred: the best you can get is an instance fault recorded on the instance, but those are visible only to admins by default | 15:23 |
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| openstackgerrit | Matt Riedemann proposed openstack/nova master: DNM: Test removing live_migration_uri from devstack https://review.openstack.org/471019 | 15:28 |
| openstackgerrit | Merged openstack/nova master: Updated from global requirements https://review.openstack.org/470937 | 15:29 |
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| mordred | mriedem: yah. that was what I was seeing. do you think it would be worth trying to write up a spec on exposing just a little more data in the error case? | 15:32 |
| mordred | mriedem: I know we've hit issues before where nova couldn't boot an instance but the error was ultimately "this image is in an invalid format" - but is shows up just as "can't boot" | 15:33 |
| mordred | mriedem: I'd be happy to try to write something up - but if it's a bad or unworkable area there's no need to bother of course | 15:33 |
| mriedem | mordred: it's been tried before, usually ends up being a problem because of leaking internal details about the cloud so could be used for attacks | 15:34 |
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| mriedem | cfriesen_ had a spec and some code for improving the filtering in the scheduler logs to help operators, but that doesn't help the end user | 15:35 |
| mriedem | except get their ticket resolved faster maybe | 15:35 |
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| mordred | mriedem: yah - that's what I'd be worried about from a "this spec cant' happen' pov | 15:35 |
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| mriedem | mordred: so looking at your issue, | 15:37 |
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| mriedem | nova-compute is failing to talk to placement http://logs.openstack.org/95/468095/2/gate/gate-shade-functional/3f5d8dc/logs/screen-n-cpu.txt.gz#_Jun_02_12_46_14_477554 | 15:38 |
| mriedem | getting 503 back | 15:38 |
| mriedem | which means as far as placement and the scheduler are concerned, there are no compute nodes available | 15:38 |
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| mriedem | mordred: the compute node finally gets registered here: http://logs.openstack.org/95/468095/2/gate/gate-shade-functional/3f5d8dc/logs/screen-n-cpu.txt.gz#_Jun_02_12_47_14_576829 | 15:39 |
| mriedem | which is 15 seconds after your test failed | 15:39 |
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| * artom needs to write a thing that auto-updates your microversion if someone else merges it before you do | 15:41 | |
| mordred | mriedem: ah - so there was an early issue, but it eventually heals | 15:42 |
| mordred | mriedem: so in terms of the hacky thing I had for the tests, I could actually check for "Created resource provider record via placement API...$(hostname)" in the n-cpu logs | 15:43 |
| mordred | as a check for "is the cloud up and ready for action" before starting the tests | 15:43 |
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| mriedem | well, | 15:44 |
| mriedem | the better less hacky thing would be to GET /resource_providers against the placement endpoint | 15:44 |
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| mriedem | until you get something back that's not an empty body | 15:44 |
| mordred | mriedem: ah - yah. could do that for sure | 15:44 |
| mriedem | note that placement is admin-only by default | 15:44 |
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| mordred | mriedem: that's ok - we've got admin accounts in the functional tets | 15:45 |
| mordred | tests | 15:45 |
| mriedem | i'm also curious why placement is failing in the first place | 15:45 |
| mhenkel_ | mriedem: when you find some time, would you mind to take a look into https://review.openstack.org/#/c/441183/ ? | 15:45 |
| mriedem | that should be started well before n-cpu and n-sch | 15:45 |
| mhenkel_ | it passed ci and I addressed all the open points | 15:45 |
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| mordred | I don't think this is actually a thing where shade sohuld be checking for the error in normal usage -it seems like a pretty specific first-install devstack race from an api consumer perspective | 15:46 |
| mriedem | mordred: also, i'm not sure why this would have regressed in the last few days, i don't see anything related to changing the startup order in devstack | 15:46 |
| mordred | mriedem: it might just have always been a race and something else caused something else to be slow so it just started showing up | 15:46 |
| cfriesen_ | mriedem: mordred: in our environment the users are generally very tightly couple to the admins, so we expose all the sched failure logs directly to the user | 15:47 |
| mordred | mriedem: or, actually,it could have always been here, but now something is improved so we get all the way to tests before the self-healing | 15:47 |
| mordred | cfriesen_: yah - I have admin on almost none of my clouds :) | 15:47 |
| mordred | so I'm usually the annoying voice of "how do I learn this as a non-admin" | 15:47 |
| mriedem | looking at the placement logs it takes quite a while for it to be ready it looks like | 15:48 |
| mriedem | http://logs.openstack.org/95/468095/2/gate/gate-shade-functional/3f5d8dc/logs/screen-placement-api.txt.gz | 15:49 |
| mriedem | the first request i see it process is this: | 15:50 |
| mriedem | Jun 02 12:46:58.883989 ubuntu-xenial-osic-cloud1-s3500-9104911 devstack@placement-api.service[22675]: DEBUG nova.api.openstack.placement.requestlog [None req-6e9651be-51e5-40e6-a887-bd72120060a0 service placement] Starting request: 10.39.244.211 "GET /placement/resource_providers?resources=MEMORY_MB%3A256%2CVCPU%3A1" {{(pid=22678) __call__ /opt/stack/new/nova/nova/api/openstack/placement/requestlog.py:38}} | 15:50 |
| mriedem | which is the one during scheduling | 15:50 |
| mriedem | so....placement isn't up when the compute service is trying to check in | 15:50 |
| mriedem | wtf | 15:50 |
| mriedem | takes >1 minute to startup placement-api | 15:51 |
| mriedem | i don't know if that's systemd / uwsgi shenanigans or what | 15:51 |
| mriedem | cdent: ^ any ideas? | 15:51 |
| cdent | mriedem: sorry on intense hangout | 15:51 |
| cdent | will catch up soonish | 15:51 |
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| * mordred can't wait for cdent to solve all the things | 15:52 | |
| mriedem | cdent: just tell them we're going to start doing noop claims everywhere | 15:52 |
| mriedem | problem solved | 15:52 |
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| mriedem | sdague: maybe your spidey sense can detect something ^? | 15:54 |
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| mriedem | looks like we start placement here http://logs.openstack.org/95/468095/2/gate/gate-shade-functional/3f5d8dc/logs/devstacklog.txt.gz#_2017-06-02_12_45_42_061 | 15:55 |
| mriedem | 2017-06-02 12:45:42.061 | Waiting for placement-api to start... | 15:55 |
| mriedem | which is *after* we started n-cpu | 15:56 |
| mriedem | derp | 15:56 |
| jaypipes | alex_xu: https://review.openstack.org/#/c/469578 | 15:56 |
| sdague | mriedem: it's only 4 seconds for start | 15:57 |
| mriedem | http://logs.openstack.org/95/468095/2/gate/gate-shade-functional/3f5d8dc/logs/devstacklog.txt.gz#_2017-06-02_12_45_10_006 | 15:57 |
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| mriedem | so we start placement-api 32 seconds after we start nova-compute, | 15:58 |
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| mriedem | nova-compute starts up and tries to register the compute node with placement but gets a 503 b/c placement isn't up yet, | 15:58 |
| mriedem | meanwhile, the compute host is mapped to the cell and tests start, | 15:58 |
| mriedem | test tries to create a server, scheduler asks placement for a resource provider (compute node) for the server, there are 0 because none are registered, and the server create fails, | 15:59 |
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| mriedem | 15 seconds later, n-cpu registers the compute node with placement during it's periodic task to update avialable resources (1 minute cron) | 15:59 |
| openstackgerrit | Jay Pipes proposed openstack/nova master: placement project_id, user_id in PUT /allocations https://review.openstack.org/469634 | 15:59 |
| openstackgerrit | Jay Pipes proposed openstack/nova master: placement: Add GET /usages to placement API https://review.openstack.org/469635 | 15:59 |
| openstackgerrit | Jay Pipes proposed openstack/nova master: placement: use separate tables for projects/users https://review.openstack.org/470645 | 15:59 |
| mriedem | mordred: ^ | 15:59 |
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| mriedem | cdent: edleafe: jaypipes: dansmith: can someone summarize whatever changes are coming out of the hangout you just had in the dev ML please? | 16:01 |
| dansmith | mriedem: jay is on it | 16:01 |
| jaypipes | mriedem: yes. | 16:01 |
| jaypipes | mriedem: I will. etherpad being worked. | 16:01 |
| mriedem | ok thanks | 16:01 |
| sdague | mriedem: yeh, our order is super bonkers | 16:01 |
| sdague | we should fix that | 16:01 |
| cdent | mriedem: the devstack problem, appears to be that fundamentally placement starts after nova in stack.sh | 16:01 |
| mriedem | cdent: yeah | 16:02 |
| sdague | I actually have no idea why placement comes after nova, that's just silly | 16:02 |
| sdague | someone propose the ordering patch, and I'll fast approve | 16:02 |
| mriedem | i think it's because nova.sh sets up the config or something? | 16:02 |
| mriedem | might be circular dep | 16:02 |
| cdent | we can start later though | 16:02 |
| sdague | mriedem: the config stage is a lot earlier | 16:02 |
| cdent | we can config after but start before | 16:02 |
| sdague | and should be done | 16:02 |
| cdent | I'll push somehting | 16:02 |
| cdent | one sec | 16:02 |
| sdague | yeh | 16:02 |
| cdent | is there a bug to related to in the commit? | 16:03 |
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| mriedem | cdent: https://bugs.launchpad.net/devstack/+bug/1695634 | 16:03 |
| openstack | Launchpad bug 1695634 in devstack "Something weird just broke in creating servers" [Undecided,New] | 16:03 |
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| cdent | sdague, mriedem : https://review.openstack.org/471042 | 16:07 |
| cdent | i started before neutron and cinder too | 16:07 |
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| mriedem | cdent: question inline | 16:10 |
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| cdent | mriedem: answer inline | 16:12 |
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| mriedem | ok i'd just remove the comment | 16:18 |
| mriedem | the note i mean | 16:18 |
| mriedem | the comment is fine, the note is confusing | 16:18 |
| cdent | k | 16:18 |
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| cdent | done | 16:19 |
| mriedem | thanks | 16:19 |
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| mordred | cdent, mriedem: woot! thank you! | 16:28 |
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| mordred | I'm glad this turned out to be potentially an actual issue and not just a random testing weird | 16:29 |
| cdent | was a good spot | 16:29 |
| cdent | that the problem hasn't come up sooner is odd | 16:29 |
| cdent | you must be doing something faster than other things are | 16:29 |
| mordred | yah. it's still interesting why it only started showing up friday | 16:30 |
| cdent | did reverting that change you reverted make any difference? | 16:30 |
| mriedem | i don't see anything in devstack or nova around friday that would cause the start time issue | 16:30 |
| mordred | cdent: we have a very low overhead to start running tests and our tests are all pretty quick - so I think we're a really good race from end-of-devstack to "and now stuff is running" | 16:30 |
| mordred | mriedem: onlything I can think of is that something about the fix for the stacktrace maybe also caused something to not issue an extra registration sync | 16:31 |
| mriedem | my patch stopped doing the pointless update_instance_info rpc cast from n-cpu to n-sch | 16:31 |
| mordred | so maybe there was an accidental retry happening that the stacktrace fix removed? | 16:31 |
| cdent | periodic job timing? | 16:31 |
| mriedem | sending an empty list | 16:32 |
| mriedem | the periodic kicks in ~1 minute after init_host on the compute | 16:32 |
| mriedem | if update_instance_info were an rpc call that would make sense why things were slower during n-cpu startup, but it's a cast | 16:33 |
| cdent | If I remember right, init_host calls all the same stuff that the periodic does/ | 16:33 |
| jaypipes | edleafe, dansmith, cdent, alex_xu: https://etherpad.openstack.org/p/placement-allocations-straw-man | 16:33 |
| mriedem | cdent: the pre_start_hook calls update_available_resource | 16:33 |
| mriedem | which calls the RT to create the ComputeNode record and do some things yeah | 16:34 |
| mriedem | that's different from the update_instance_info stuff cast to the scheduler | 16:34 |
| cdent | thanks jaypipes, I'm going home, will look from there, where the lack of people ought to allow proper attention | 16:34 |
| mriedem | ^ is all about server group affinity/anti-affinity filters | 16:34 |
| jaypipes | kk | 16:34 |
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| dansmith | jaypipes: can I reset colors on that so we can see only deltas from this? | 16:35 |
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| cdent | dansmith++ | 16:35 |
| jaypipes | dansmith: go for it. | 16:35 |
| cfriesen_ | there are so many races around server group affinity/antiaffinity it's not even funny | 16:35 |
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| cfriesen_ | jaypipes: is it possible to have floating point values for resources? | 16:37 |
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| cfriesen_ | or is it integer only? | 16:37 |
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| jaypipes | cfriesen_: integer only. | 16:37 |
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| cfriesen_ | jaypipes: we currently allow a mix of instances with shared/dedicated cpus on the same compute node (with cpusets to keep the affinity straight) and so report usage as floating point. I guess we'll move to fixed point with placement. | 16:39 |
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| edleafe | jaypipes: running out for a bit, so I'll go more in depth when I get back. | 16:43 |
| sdague | mriedem: https://review.openstack.org/#/c/467242/ is the glance request_id change ready to go in | 16:44 |
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| jaypipes | cfriesen_: what do you mean "report usage as floating point"? | 16:46 |
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| jaypipes | dansmith, mriedem: the three of us are having a very Reggae-colored conversation on this etherpad. | 16:51 |
| mriedem | wish i had some ganja | 16:52 |
| jaypipes | mriedem: if you lived in Sarasota... | 16:53 |
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| cfriesen_ | jaypipes: we report the CPU usage of a compute node as sum(dedicated vcpus) + sum(shared vcpus)/cpu_allocation_ratio. The total cannot be more than the available CPUs on the compute node. | 16:56 |
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| cfriesen_ | jaypipes: with integer usage we'll just have to multiply everything by cpu_allocation_ratio | 16:57 |
| jaypipes | cfriesen_: yup. | 16:57 |
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| cfriesen_ | who's responsible for releasenotes issues? My commit https://review.openstack.org/#/c/435141 keeps failing jenkins because it chokes on an older releasenotes file. Something seems to have gotten more strict recently. | 17:04 |
| mriedem | sdague: +2 | 17:04 |
| mriedem | cfriesen_: open a novaclient bug | 17:05 |
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| mriedem | my guess would be something with sphinx 1.6.1 or 1.6.2 | 17:06 |
| mriedem | 1.6.1 is blacklisted but 1.6.2 isn't | 17:07 |
| cfriesen_ | mriedem: okay | 17:07 |
| mriedem | jaypipes: we should have a separate bp and spec for this new placement api thing, the claims in the scheduler bp will depend on it | 17:08 |
| mriedem | but i assume you want to communicate it to the ML so it sinks in a bit first | 17:08 |
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| sdague | cfriesen_: it might be worth checking with dhellman or the like | 17:12 |
| mriedem | i know the fix | 17:12 |
| mriedem | just need the bug | 17:12 |
| mriedem | testing locally | 17:12 |
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| mriedem | not sure why it passed before though | 17:13 |
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| cfriesen_ | mriedem: https://bugs.launchpad.net/python-novaclient/+bug/1695939 | 17:13 |
| openstack | Launchpad bug 1695939 in python-novaclient "jenkins failing on older releasenote file" [Undecided,New] | 17:13 |
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| cfriesen_ | mriedem: I tried locally modifying test-requirements.txt but it still installed sphinx 1.6.2. odd | 17:14 |
| mriedem | the release note itself is bad | 17:14 |
| cfriesen_ | mriedem: yeah, I tried fixing it but couldn't figure out how to get it to pass | 17:15 |
| mriedem | 1. there is no 'update' section | 17:15 |
| mriedem | 2. it's not formatted for rst | 17:15 |
| sdague | dansmith / melwitt: can either / both of you look at this devstack fix for cells that was proposed - https://review.openstack.org/#/c/470598 | 17:15 |
| jaypipes | mriedem: dansmith and I are on a hangout talking about something related... we're paying attention. give us a bit :) | 17:16 |
| cfriesen_ | mriedem: for 2, do all the single dashes become asterisks? | 17:16 |
| mriedem | cfriesen_: i'm fixing | 17:16 |
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| openstackgerrit | Chris Dent proposed openstack/nova master: [placement] Use util.extract_json in allocations handler https://review.openstack.org/471067 | 17:25 |
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| mriedem | wtf i guess this is more complicated than i thought - i've made changes, committed them, rebuilt and it still picks up the old thing - probably because it's processing an old commit | 17:33 |
| mriedem | and i can't re-write history | 17:33 |
| mriedem | but reno should realize i'm changing something | 17:33 |
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| cfriesen_ | mriedem: bug in the CI? | 17:39 |
| mriedem | might be a bug in reno, i'm talking to dhellmann about it | 17:40 |
| jaypipes | OMG I want to friggin shoot myself in the head right now. | 17:41 |
| jaypipes | I fucking hate SQL migrations. | 17:41 |
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| jaypipes | zzzeek: you around? could really use your help :( | 17:41 |
| dansmith | sdague: done | 17:41 |
| zzzeek | jaypipes: hey | 17:43 |
| jaypipes | zzzeek: hi Mike. got a few minutes to help me with some very frustrating SQL migrations issues, pretty please? | 17:44 |
| zzzeek | yes | 17:44 |
| sdague | dansmith: thanks, it looked weird to me. Good to get the real expert view in there | 17:44 |
| jaypipes | zzzeek: thanks :) it's about https://review.openstack.org/#/c/470645/ | 17:44 |
| jaypipes | zzzeek: I've tried a bunch of permutations (see revisions on the 044_placement_add_projects_users.py file | 17:45 |
| jaypipes | zzzeek: and I'll fix PG and break SQLite/MySQL, and fix MySQL and fix PG. | 17:45 |
| jaypipes | zzzeek: going round and round in circles :( | 17:45 |
| jaypipes | zzzeek: http://logs.openstack.org/45/470645/4/check/gate-nova-tox-functional-ubuntu-xenial/0bf172a/testr_results.html.gz | 17:45 |
| zzzeek | *obligatory grr sqlalchemy-migrate is ancient crap* irc message | 17:46 |
| zzzeek | OK so onto the acvtual problem | 17:46 |
| jaypipes | zzzeek: essentially, I first tried just doing an ALTER TABLE MODIFY COLUMN by changing the project_id and user_id fields in the consumers table from VARCHAR to INT. | 17:46 |
| cfriesen_ | dansmith: If I'm reading this right, "nova-manage db online_data_migrations" returns 0 if we're successfully done all the migrations or if there were errors and we bailed out. This seems like a strange design. | 17:46 |
| jaypipes | zzzeek: using a col.alter(...) command. | 17:46 |
| jaypipes | zzzeek: PG hated that and requires me to drop and recreate the columns. | 17:47 |
| zzzeek | jaypipes: it does? usually it just wants you to use a CAST so it can rewrite the data ...oh there'sa syntax for that hold on ... :) | 17:47 |
| jaypipes | zzzeek: so I did that, then MySQL complains about indexes either existing or not existing depending on whether I drop the columns before or after dropping indexes. and when I drop indexes, PG complains there's no such indexes. | 17:47 |
| zzzeek | jaypipes: what is the "PG hated that" error you are getting ? | 17:48 |
| jaypipes | one sec, grabbing. | 17:48 |
| zzzeek | jaypipes: also, your problem might be "migrate_engine.name == 'postgres'", sqlalchemy calls it "postgresql" | 17:49 |
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| jaypipes | zzzeek: no, that definitely runs only on postgresql AFAICT... it's the name of the db driver in sqlalchemy-migrate :( | 17:50 |
| zzzeek | jaypipes: weird. | 17:50 |
| zzzeek | jaypipes: so....why not put the whole drop/create thing inside of "if name == 'postgres'" and just use normal ALTER for the others ? | 17:50 |
| jaypipes | zzzeek: I think I've tried that and it failed something about models being out of sync... | 17:51 |
| zzzeek | keeping in mind that PG might just want you to say "ALTER COLUMN...USING", which is pg-specific anyway so you still need the conditional | 17:51 |
| jaypipes | zzzeek: unfortunately, CI doesn't seem to want to allow me to see past test run failures :( | 17:51 |
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| jaypipes | zzzeek: how would I do the ALTER COLUMN ... USING thing if using sqlalchemy-migrate's col.alter() thing? | 17:52 |
| zzzeek | jaypipes: that doesn't make any sense. program goes into the migration, and comes out, then it verifies things. if the migration works, then it worked, whether or not it did ALTER or drop/create | 17:52 |
| zzzeek | jaypipes: you'd have to do migrate_engine.execute("ALTER TABLE...") | 17:52 |
| jaypipes | k | 17:53 |
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| jaypipes | sdague: is there a way to view old CI test runs? | 17:53 |
| sdague | jaypipes: how old? | 17:53 |
| zzzeek | jaypipes: if that's the issue. not sure if PG has done things w/ the indexes that are more of a big deal to change | 17:53 |
| jaypipes | sdague: a day | 17:53 |
| sdague | yeh, unhide the CI and look through the jenkins comments | 17:53 |
| jaypipes | sdague: oh, duh, thx | 17:53 |
| sdague | the rollup of the last run is just a convenience function | 17:53 |
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| jaypipes | zzzeek: ok, here's the failure from the original alter: http://logs.openstack.org/45/470645/1/check/gate-nova-tox-functional-ubuntu-xenial/8180560/testr_results.html.gz | 17:54 |
| jaypipes | zzzeek: that happened when I did the original here: https://review.openstack.org/#/c/470645/1/nova/db/sqlalchemy/api_migrations/migrate_repo/versions/044_placement_add_projects_users.py | 17:55 |
| zzzeek | jaypipes: ha! HINT: You might need to specify "USING project_id::integer". me wants another darth vader usb key | 17:55 |
| jaypipes | zzzeek: yeah... so instead of that, I did this: https://review.openstack.org/#/c/470645/2/nova/db/sqlalchemy/api_migrations/migrate_repo/versions/044_placement_add_projects_users.py | 17:56 |
| dansmith | mriedem: so this passed the live migration job. Do you still want me to change it or what? https://review.openstack.org/#/c/458537/31/nova/tests/live_migration/hooks/ceph.sh | 17:56 |
| jaypipes | zzzeek: which failed with this: http://logs.openstack.org/45/470645/2/check/gate-nova-tox-functional-ubuntu-xenial/f94cf09/testr_results.html.gz | 17:56 |
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| zzzeek | jaypipes: OK, so theres the most ancient issue in SQLA to allow index.drop(checkfirst=True), however, I can get you through that anyway, if you want to go that route. but still, "if engine != 'postgres'", then drop index | 17:57 |
| zzzeek | jaypipes: but still, "if engine == 'postgres': migrate_engine.execute("ALTER.... USING")" | 17:58 |
| jaypipes | zzzeek: not sure, frankly, why https://review.openstack.org/#/c/470645/2/nova/db/sqlalchemy/api_migrations/migrate_repo/versions/044_placement_add_projects_users.py didn't work. I don't know why sqlalchemy found indexes in the consumers table to drop but when issuing the SQL statement, PG says no such index exists. :( | 17:58 |
| zzzeek | jaypipes: looks like it's because dropping the columns drops the index | 17:58 |
| zzzeek | jaypipes: then you go to emit DROP INDEX and PG says index does not exist | 17:59 |
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| jaypipes | zzzeek: right, which I then tried to fix in the next revision: :) | 17:59 |
| jaypipes | https://review.openstack.org/#/c/470645/3/nova/db/sqlalchemy/api_migrations/migrate_repo/versions/044_placement_add_projects_users.py | 17:59 |
| zzzeek | jaypipes: oh, wait, you are assuming consumers.indexes is correct. no. this is not how that works :) | 17:59 |
| zzzeek | jaypipes: throw this into "sqlalchemy-migrate is misleading" | 18:00 |
| jaypipes | zzzeek: which PG then barfed on | 18:00 |
| zzzeek | jaypipes: yeah no, consumers.indexes is not changing itself when you drop those columns | 18:00 |
| mordred | cdent, mriedem: the shade test patch is all green! | 18:00 |
| jaypipes | zzzeek: hmm. ok. | 18:00 |
| zzzeek | jaypipes: so, if you want *that*, do this: "from sqlalchemy import inspect; insp = inspect(migrate_engine); indexes = insp.get_indexes("consumers")" | 18:00 |
| cdent | yayness. I think sdague said he's fast approve the devstack change | 18:00 |
| mordred | although linuxbridge had a sad | 18:00 |
| * mordred hit the recheck magicwand | 18:01 | |
| jaypipes | zzzeek: I think the simplest solution is to go back to revision 1 and do the execute(ALTER TABLE ... USING) thing for Postgresql? | 18:01 |
| zzzeek | jaypipes: that will just give you names of indexes. if it were me I'd then just say "engine.execute("DROP INDEX <name>")", howver you can also say Index("myname").drop() | 18:01 |
| zzzeek | jaypipes: I think it is yes. but all of these different scenarios can work, you're just having very bad luck stepping on every rake in the yard :) | 18:02 |
| jaypipes | indeed :) | 18:02 |
| zzzeek | jaypipes: try the USING with the conditional, i can make that or the other version work for you afte that | 18:02 |
| zzzeek | jaypipes: you don't run mysql/pg functional tests locally ? | 18:02 |
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| sdague | that linuxbridge sad was a fail in test_device_tagging | 18:03 |
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| sdague | mriedem: that one being tracked yet, the error looks like it's going to be a race | 18:03 |
| jaypipes | zzzeek: only mysql and sqlite, not postgreSQL, no... | 18:03 |
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| jaypipes | zzzeek: suppose I should :) | 18:03 |
| zzzeek | jaypipes: it's just a yum install away... :) | 18:03 |
| jaypipes | yeah yeah :) | 18:04 |
| zzzeek | jaypipes: anyway I obv. have everythign running here so i can run through it later if you still cant get it working | 18:04 |
| jaypipes | zzzeek: I'll just install PG :) | 18:04 |
| zzzeek | jaypipes: OK. | 18:05 |
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| mriedem | sdague: huh? link? | 18:10 |
| * mriedem was lunching | 18:10 | |
| openstackgerrit | Merged openstack/nova master: Be more tolerant of keystone catalog configuration https://review.openstack.org/438049 | 18:12 |
| mriedem | sdague: oh you mean this http://logs.openstack.org/42/471042/2/check/gate-tempest-dsvm-neutron-linuxbridge-ubuntu-xenial/4cc66aa/console.html#_2017-06-05_17_23_22_278409 | 18:12 |
| mriedem | i'm not aware of a bug for that | 18:12 |
| mriedem | dansmith: just leave it | 18:13 |
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| openstackgerrit | Doug Hellmann proposed openstack/python-novaclient master: strip the remote prefixes from the release note branch specifiers https://review.openstack.org/471082 | 18:17 |
| sdague | mriedem: yeh - http://logs.openstack.org/42/471042/2/check/gate-tempest-dsvm-neutron-linuxbridge-ubuntu-xenial/4cc66aa/console.html#_2017-06-05_17_23_22_337560 | 18:18 |
| sdague | I'll make a bug here in a minute for it | 18:18 |
| sdague | there are a few hits on it | 18:18 |
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| sdague | \o/ for the diagnostics API standardization - https://review.openstack.org/#/c/355540/ | 18:53 |
| openstackgerrit | Chris Dent proposed openstack/nova master: Fix ChanceScheduler returning a wrong node https://review.openstack.org/466725 | 19:03 |
| mriedem | cool. a few wording things in there that could be cleaned up in a follow up change | 19:03 |
| mriedem | now onto the novaclient change | 19:04 |
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| mriedem | cfriesen_: this is what you're waiting on btw https://review.openstack.org/#/c/471081/ | 19:06 |
| openstackgerrit | Matt Riedemann proposed openstack/nova master: Replace messaging.get_transport with get_rpc_transport https://review.openstack.org/469659 | 19:06 |
| cfriesen_ | mriedem: mriedem: cool, thanks | 19:06 |
| cfriesen_ | mriedem: the empty lines are needed for the nested lists to get formatted properly? is that yaml or rst? | 19:08 |
| mriedem | rst | 19:09 |
| cfriesen_ | is the hyphen a formatting element in rst? | 19:09 |
| mriedem | yeah | 19:09 |
| mriedem | http://docutils.sourceforge.net/docs/ref/rst/restructuredtext.html#bullet-lists | 19:10 |
| cfriesen_ | got it | 19:10 |
| efried | mikal Should https://review.openstack.org/#/c/4379/ have removed the ", by name (not ID!)" part of https://github.com/openstack/nova/blob/master/nova/virt/driver.py#L152 ? | 19:10 |
| efried | or is there some reason we still need to enforce this lookup as being by name? | 19:12 |
| mriedem | i will enjoy whatever answer mikal gives you for a thing done 5 years ago | 19:12 |
| mriedem | oh, | 19:13 |
| efried | Yeah, anyone should feel free to answer this. | 19:13 |
| mriedem | and if/when he replies, make sure it's related to powervm :) | 19:14 |
| efried | mriedem Since you asked, I was working on filling in a gap we missed in the in-tree impl: the only thing we populate in the InstanceInfo is the state. | 19:15 |
| efried | While looking, I found that docstring and recognized that we've never looked that guy up by name (even in the out-of-tree driver). | 19:15 |
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| efried | So I went to figure out whether there was any basis for that edict. | 19:15 |
| mriedem | remove ", by name (not ID!)" from the docstring | 19:16 |
| mriedem | it's always passed an Instance object | 19:16 |
| efried | Doing it. Thanks. | 19:16 |
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| openstackgerrit | Jay Pipes proposed openstack/nova master: placement project_id, user_id in PUT /allocations https://review.openstack.org/469634 | 19:19 |
| openstackgerrit | Jay Pipes proposed openstack/nova master: placement: Add GET /usages to placement API https://review.openstack.org/469635 | 19:19 |
| openstackgerrit | Jay Pipes proposed openstack/nova master: placement: use separate tables for projects/users https://review.openstack.org/470645 | 19:19 |
| jaypipes | zzzeek: \o/ ^ | 19:20 |
| openstackgerrit | Chris Dent proposed openstack/nova master: [placement] Use util.extract_json in allocations handler https://review.openstack.org/471067 | 19:22 |
| openstackgerrit | Eric Fried proposed openstack/nova master: ComputeDriver.get_info not limited to inst name https://review.openstack.org/471106 | 19:24 |
| efried | mriedem ^^ This is why I earn the big bucks. | 19:24 |
| mriedem | efried: it probably all ties back to the libvirt driver using this to get the guest info | 19:26 |
| mriedem | return conn.lookupByName(instance.name) | 19:26 |
| mriedem | most things in the virt driver layer are libvirt-biased | 19:27 |
| efried | mriedem Don't I know it. | 19:28 |
| efried | mriedem The other thing I noticed is that the only two consumes of get_info (in manager.py) only ever use the state. Makes me less panicky about hurrying to populate those other fields. | 19:31 |
| efried | consumers* | 19:31 |
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| efried | jaypipes I presume the resource tracking stuff never plans to use get_info to figure out how much e.g. cpu/mem a VM is consuming - you're just going to record that at claim time and go with it? | 19:47 |
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| dansmith | efried: we don't know how much memory a guest is consuming without introspection | 19:50 |
| dansmith | efried: and the amount of cpu it's using at some instantaneous point is not really an allocation thing | 19:50 |
| efried | dansmith Okay, fair; but are there any plans for nova to actually use those InstanceInfo fields? | 19:51 |
| dansmith | those...instanceinfo...fields... | 19:51 |
| efried | Perhaps I'm missing some duck-typed dynamic usage of get_info | 19:51 |
| dansmith | there are remnants of the extensible resource tracker and metric info in nova.. perhaps you mean that stuff? | 19:51 |
| efried | dansmith https://github.com/openstack/nova/blob/master/nova/virt/hardware.py#L213-L217 <== those InstanceInfo fields | 19:52 |
| efried | dansmith Perhaps I do mean that stuff. What stuff do I perhaps mean? | 19:52 |
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| dansmith | yeah, I _think_ that stuff is only used for choosing numa nodes | 19:53 |
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| dansmith | or maybe not even that, I don't even see that stuff considered in the scheduler | 19:54 |
| efried | dansmith Does that happen in the nova tree? I'm even grepping and not finding any consumption of those fields. | 19:54 |
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| dansmith | efried: I think it's all within that file, and all for things like picking cpu topologies and stuff | 19:55 |
| dansmith | but not a generic thing for reporting or choosing whole compute nodes, AFAIK | 19:56 |
| dansmith | definitely not the material of placement though | 19:56 |
| efried | dansmith What I'm considering doing here is leaving my InstanceInfo so it just provides the state. If anything ever gets written to consume any of the other fields, and assuming those code paths get hit in some tempest test, our CI will catch it (by raising AttributeError). | 19:56 |
| efried | And at that time, we can figure out how best to implement those fields. Cause there's a number of options, with different performance characteristics, one of which would be more appropriate than another depending on the actual usage. | 19:57 |
| dansmith | sounds reasonable | 19:58 |
| mriedem | https://review.openstack.org/#/c/133777/ | 19:58 |
| mriedem | looks like it was added for something...but very little context | 19:58 |
| dansmith | yeah | 19:58 |
| cfriesen_ | weird python question....how is the "return" value from main() in cmd/manage.py expected to be consumed? | 19:59 |
| cfriesen_ | it doesn't seem to have any effect on the process return value if run from the shell | 19:59 |
| efried | Recently, too - but only relative to the aforementioned "by name (not ID!)" thing ;-) | 19:59 |
| mriedem | goes back to https://github.com/openstack/nova/commit/19da125805eedbfcfd202abac4a90c57e6c538c4 | 20:02 |
| mriedem | https://github.com/openstack/nova/blob/c8e8b44ef27e49b3986659ee0cb6bd77b38430d8/nova/virt/libvirt_conn.py#L797 | 20:02 |
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| mriedem | so, it just always returned that other crap | 20:02 |
| mriedem | because we could | 20:03 |
| mriedem | because the libvirt domain api gave it to us | 20:03 |
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| mriedem | https://github.com/openstack/nova/blob/c8e8b44ef27e49b3986659ee0cb6bd77b38430d8/nova/virt/xenapi/vm_utils.py#L686 | 20:04 |
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| efried | Dig. I'll go with the plan, then. I'll just add a comment explaining it, so my posterity doesn't do a tim-the-tool-man like I did. | 20:05 |
| mriedem | efried: there is one place where something besides 'state' is used, and it's in the libvirt driver's _destroy() method | 20:06 |
| mriedem | checking to see if the domain id changed | 20:06 |
| mriedem | unless there is another way to skin that id cat, we'd have to leave it, | 20:07 |
| mriedem | but otherwise, if it were me, i'd remove all of that other unused garbage | 20:07 |
| mriedem | from InstanceInfo | 20:07 |
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| efried | mriedem Okay, I'll look into it. | 20:08 |
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| efried | esberglu Can you answer cfriesen_ above? You figured out that the return values somehow mapped to exit codes? | 20:12 |
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| cfriesen_ | efried: esberglu: it appears that the return code is being mapped to the process exit value. it must be doing something clever. In any case, I opened https://bugs.launchpad.net/nova/+bug/1695965 because the return code for "nova-manage db online_data_migrations" isn't very helpful. | 20:15 |
| openstack | Launchpad bug 1695965 in OpenStack Compute (nova) ""nova-manage db online_data_migrations" exit code is strange" [Undecided,New] | 20:15 |
| efried | cfriesen_ Cool, esberglu just made a change on a similar theme: https://review.openstack.org/#/c/467218/ | 20:16 |
| efried | cfriesen_ See bug https://bugs.launchpad.net/nova/+bug/1692982 | 20:16 |
| openstack | Launchpad bug 1692982 in OpenStack Compute (nova) "Need --strict option for nova-manage cell_v2 discover_hosts" [Wishlist,Fix released] - Assigned to Eric Berglund (esberglu) | 20:16 |
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| cfriesen_ | efried: right. In the case of online_data_migrations we really want to distinguish between three separate scenarios, which doesn't map nicely to binary exit values | 20:18 |
| efried | cfriesen_ In your case, it's possible the answer might be, "code to the API, not the CLI" ;-) | 20:18 |
| efried | But I wouldn't be the one to advocate that. | 20:18 |
| cfriesen_ | efried: heh...one nasty case is that the newton version of this command returns this "2 rows matched query pcidevice_online_data_migration, 0 migrated" even when there is no work left to do. | 20:19 |
| cfriesen_ | outputs that, rather | 20:19 |
| cfriesen_ | because the query is too generic. | 20:20 |
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| efried | cfriesen_ FWIW, dansmith was the one in our corner on that --strict thing. He had very useful feedback when the idea came up. | 20:21 |
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| cfriesen_ | dansmith: when you get a moment could you look at bug 1692982 ? | 20:24 |
| openstack | bug 1692982 in OpenStack Compute (nova) "Need --strict option for nova-manage cell_v2 discover_hosts" [Wishlist,Fix released] https://launchpad.net/bugs/1692982 - Assigned to Eric Berglund (esberglu) | 20:24 |
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| cfriesen_ | dansmith: whoops, I meant bug 1695965 | 20:25 |
| openstack | bug 1695965 in OpenStack Compute (nova) ""nova-manage db online_data_migrations" exit code is strange" [Undecided,New] https://launchpad.net/bugs/1695965 | 20:25 |
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| esberglu | efried: cfriesen_: Sorry was off for a few there. I think I dropped for some of the convo. You still need anything from me? | 20:25 |
| cfriesen_ | esberglu: just wondering if you knew offhand how the return value of "nova-manage" gets converted to process exit value | 20:26 |
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| dansmith | cfriesen_: we had migrations in the past that raised an exception when something wasn't new enough, but you needed to proceed when in order to get to the newer stuff, hence the zero return in that case | 20:26 |
| dansmith | thats why it was like that | 20:26 |
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| dansmith | but I don't disagree with nailing it down as you describe | 20:26 |
| cfriesen_ | dansmith: also, in Newton you can't even tell from the output logs whether or not you need to call it again, because of the PCI issue I showed above | 20:27 |
| cfriesen_ | dansmith: the "count_all" is counting cases where there is no migration to be done | 20:27 |
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| esberglu | efried: Not sure. I just took if granted based on other commands | 20:28 |
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| cfriesen_ | dansmith: related issue: https://bugs.launchpad.net/nova/+bug/1695991 | 20:47 |
| openstack | Launchpad bug 1695991 in OpenStack Compute (nova) ""nova-manage db online_data_migrations" doesn't report matched/migrated properly " [Undecided,New] | 20:47 |
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| mriedem | dansmith: i think we've touched on this before, but since services are restricted to cell dbs, we don't have a global view of what a minimum compute version is in a deployment once we have multpile cells | 20:54 |
| mriedem | thinking of https://github.com/openstack/nova/blob/78c69f61ab186c3d3eb0fe5cc5114cc71f0fbdad/nova/objects/service.py#L425 | 20:54 |
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| dansmith | mriedem: I have a helper | 20:54 |
| mriedem | if we have an instance we can find the cell it's in and get the minimum compute for that cell, or get the service version for the compute the instance is on | 20:54 |
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| cfriesen_ | how is Service._check_minimum_version() going to work with cells then? check just the current cell? | 20:55 |
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| mriedem | well we could certainly iterate cells, | 20:56 |
| mriedem | find the min for $service in all cells, | 20:56 |
| mriedem | and return the lowest | 20:56 |
| dansmith | mriedem: I'm sure I already wrote that helper.. looking | 20:56 |
| mriedem | i randomly think about this because we don't really test for it in our grenade tests | 20:57 |
| mriedem | since grenade is so limited in scope to smoke tests | 20:57 |
| mriedem | e.g. https://github.com/openstack/nova/blob/78c69f61ab186c3d3eb0fe5cc5114cc71f0fbdad/nova/api/openstack/compute/servers.py#L496-L499 | 20:57 |
| mriedem | ^ won't be accurate with multiple cells | 20:58 |
| mriedem | i'll open a bug to track this | 20:58 |
| dansmith | and unless we had multiple real cells we wouldn't hit it anyway | 20:58 |
| mriedem | we had == in ci? | 20:58 |
| dansmith | yeah | 20:59 |
| mriedem | i thought we were going to have the/a multinode job have 2 cells with 1 compute each? | 20:59 |
| dansmith | yeah but not one downlevel | 20:59 |
| dansmith | not yet anyway | 20:59 |
| mriedem | sure, but we could with grenade | 20:59 |
| mriedem | eventually | 20:59 |
| dansmith | eventually | 20:59 |
| mriedem | but then we're stuck back with the grenade not running interesting tests issue | 21:00 |
| dansmith | that helper doesn't appear to be in tree, but I know I wrote it.. might've been for a thing that we ended up not doing and so never committed it | 21:00 |
| dansmith | don't we run smoke first and then full tempest post-upgrade? | 21:00 |
| mriedem | nope | 21:00 |
| mriedem | smoke both ways | 21:00 |
| sdague | no, it's smoke on both sides | 21:00 |
| mriedem | smoke'em if you got'em | 21:01 |
| dansmith | okay | 21:01 |
| sdague | honestly, for the multi node, multi cell version testing, we should probably purpose build something for that. Because it feels like we want to be pushing very specific edges on test cases | 21:02 |
| dansmith | you mean a specific list of tests? | 21:02 |
| mriedem | dansmith: https://bugs.launchpad.net/nova/+bug/1695993 | 21:02 |
| openstack | Launchpad bug 1695993 in OpenStack Compute (nova) "supports_device_tagging check in /servers API won't work with multiple cells" [High,Triaged] | 21:02 |
| mriedem | dansmith: i think he means not grenade | 21:03 |
| sdague | yeh, maybe not grenade either | 21:03 |
| mriedem | sdague: you're talking about the ansible idea from the PTG? | 21:03 |
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| dansmith | hmm | 21:03 |
| sdague | mriedem: I'm not honestly sure | 21:03 |
| mriedem | i remember you saying something like that once | 21:03 |
| mriedem | when i was monkeying with d-g and cells v2 setup | 21:03 |
| sdague | it just feels like we might be better off building something that builds out the mixed cell version environment from scratch | 21:04 |
| sdague | instead of glomming too much onto the existing stuff | 21:04 |
| mriedem | might have also been when talking about what rolling upgrades look like for cells v2 | 21:04 |
| dansmith | I'm not sure why | 21:04 |
| mriedem | with doing api at the end | 21:04 |
| mriedem | since devstack/grenade starts/upgrades API first? | 21:04 |
| mriedem | it had something to do with the upgrade order for api | 21:04 |
| mriedem | we have notes from the BCN summit | 21:05 |
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| mriedem | anyway, i'm not proposing we tackle testing mixed-level cells in ci right now | 21:05 |
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| dansmith | mriedem: I will keep looking for my multicell service lookup patch in a couple dead end branches, but if I don't find it I'll just write it.. it's not hard | 21:06 |
| mriedem | sure - you want to take that bug? | 21:06 |
| mriedem | or just going to provide the helper? | 21:07 |
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| dansmith | mriedem: lemme write the helper and I'll survey the other uses... might be easy for me to just fix them uses too | 21:07 |
| mriedem | dansmith: here it is https://review.openstack.org/#/c/442787/1/nova/objects/service.py | 21:07 |
| dansmith | haha | 21:08 |
| dansmith | no wonder I couldn't find it. that patch is dead to me | 21:08 |
| mriedem | i know | 21:08 |
| dansmith | lol | 21:08 |
| mriedem | i was looking at it on friday considering taking it over | 21:08 |
| mriedem | anyway, we should split that piece out into a separate change, and then the bug fix stuff on top probably | 21:09 |
| dansmith | I've been working on sql injection attacks at gerrit so I can reassign it to you | 21:09 |
| dansmith | yeah | 21:09 |
| dansmith | I shall | 21:09 |
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| edleafe | jaypipes: dansmith: cdent: Started a thread on the ML: http://lists.openstack.org/pipermail/openstack-dev/2017-June/117913.html | 21:28 |
| jaypipes | edleafe: thx ed | 21:29 |
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| openstackgerrit | Steve Noyes proposed openstack/nova master: WIP: update live migration to use v3 cinder api https://review.openstack.org/463987 | 21:35 |
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| openstackgerrit | Steve Noyes proposed openstack/nova master: objects: Add old_attachment_id to BlockDeviceMapping https://review.openstack.org/471142 | 21:39 |
| mriedem | stvnoyes: that's not going to work | 21:40 |
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| stvnoyes | no? | 21:40 |
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| mriedem | primarily because you haven't added a column to the block_device_mappings table | 21:40 |
| mriedem | however, we should talk to johnthetubaguy about this since i'd really hope we could avoid something like this | 21:41 |
| stvnoyes | I was following this pattern that did somethng about the same - https://review.openstack.org/#/c/437665/ | 21:41 |
| mriedem | right but you missed https://review.openstack.org/#/c/437597/ | 21:42 |
| stvnoyes | ah ok. one of john's comments on the initial migrate review was for a place to keep the old attach id | 21:42 |
| mriedem | john garbutt? | 21:43 |
| mriedem | or griffith? | 21:43 |
| stvnoyes | ah. ok (i am impressed that you remember all these things) | 21:43 |
| stvnoyes | garbutt | 21:43 |
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| mriedem | hmm, i'd like to avoid an old/new attachment id column in the bdms table/object | 21:43 |
| mriedem | initial thought if we have 2 bdms, one for the source host attachment and one for the dest host attachment | 21:44 |
| mriedem | but that might break other things | 21:44 |
| stvnoyes | did you have another idea? I originally tried to do without i, by creating a new bdm. but had problems down in libvirt driver distinguishing between what was source and destination | 21:44 |
| stvnoyes | without 'it' | 21:44 |
| mriedem | right that's one of the issues | 21:44 |
| mriedem | the other problem is we have a BlockDeviceMapping.get_by_volume_and_instance method | 21:45 |
| stvnoyes | so after going thru it a number of times, this came out to be less new code | 21:45 |
| mriedem | which expects to get 0 or 1 results | 21:45 |
| jgriffith | any way to do a "new/old" bdm? | 21:46 |
| mriedem | probably not in a way that's any less bad than a single bdm with new/old attachmnets | 21:46 |
| mriedem | *attachments | 21:46 |
| mriedem | and like i said, a bunch of the code assumes volume id + instance id is uniqueu | 21:46 |
| mriedem | *unique even | 21:47 |
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| stvnoyes | the other stringe thing I found is that when you have a connector present in the bd, the attachment_id is in the bdm twice (bdm.attachment_id, and in the connection_info string) | 21:48 |
| stvnoyes | that's not terrific | 21:48 |
| mriedem | stvnoyes: long-term i think we want to stop setting connection_info | 21:49 |
| mriedem | when we have attachment_id | 21:49 |
| mriedem | because cinder will store the connection_info for us | 21:49 |
| mriedem | that probably happens in the attach patch | 21:49 |
| jgriffith | stvnoyes that's because the attachment_id comes form that | 21:49 |
| stvnoyes | that seems like a good idea (later) | 21:49 |
| mriedem | nova wants to not store the connection_info | 21:50 |
| mriedem | b/c it can be stale | 21:50 |
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| mriedem | and, well, we just don't want to duplicate all of this state modeling in two services | 21:50 |
| stvnoyes | so how would you like to resolve whether we want to go with old_attachment_id? talk with John Garbutt? I can update the rv in the meantime with that missing change. | 21:51 |
| mriedem | stvnoyes: yeah i'd say do what you're doing now, fix the db api thing, and then we talk to john to see if he had other idea | 21:53 |
| mriedem | *ideas | 21:53 |
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| stvnoyes | ok cool | 21:53 |
| mriedem | i don't like it but it's probably the lesser of many evils | 21:53 |
| mriedem | unless of course dansmith has bright ideas he'd like to share about BDMs modeling and multi-attach | 21:53 |
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| mriedem | ... | 21:53 |
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| dansmith | barf | 21:54 |
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| jgriffith | You guys running some kinda vomitorium in here? | 21:54 |
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| mriedem | vomiting on oneself is a common reaction to things in this channel | 21:54 |
| jgriffith | small world | 21:55 |
| jgriffith | seems were all more alike than we thought | 21:55 |
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| stvnoyes | I found that libvirt driver needs to know what bdm is what and getting that info down in there was incredibly ugly. This way libvirt driver hardly needs to change at all. | 21:57 |
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| mriedem | old_attachment_id vs attachment_id also gets weird, | 21:58 |
| mriedem | because we have to assume "old" means source host | 21:59 |
| mriedem | and ties it to migrations in the bdm object | 21:59 |
| mriedem | but, we have old/new flavors too for the same thing (resizes) | 21:59 |
| stvnoyes | using john Gr's attach code, I did get this working ok. I could migrate back and forth successfully | 21:59 |
| mriedem | actually, flavors gives me an idea here | 22:00 |
| mriedem | nova.objects.Migration has an old_instance_type_id and new_instance_type_id field | 22:00 |
| mriedem | i'm wondering if we can store the old/new attachment id information in the migration object | 22:00 |
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| mriedem | however, an instance has 1 flavor, | 22:01 |
| mriedem | but possibly many volume attachments | 22:01 |
| mriedem | so it'd have to be list | 22:01 |
| stvnoyes | hmmm, ok i can take a look at that. is that object persisted and available to both hosts? | 22:01 |
| mriedem | yes | 22:01 |
| mriedem | that would be a cleaner interface if we can make it work | 22:02 |
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| stvnoyes | agree, i'm not a big fan of putting new fields in the bdm. | 22:02 |
| stvnoyes | also, a migrate object seems more appropriate. | 22:02 |
| stvnoyes | i wasn't aware of that object. new things to learn. | 22:03 |
| openstackgerrit | Felipe Monteiro proposed openstack/nova-specs master: Patrole (RBAC) Keystone Gating https://review.openstack.org/471145 | 22:04 |
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| openstackgerrit | Eric Fried proposed openstack/nova master: Trim the fat from InstanceInfo https://review.openstack.org/471146 | 22:10 |
| mriedem | cfriesen_: your release notes are fixed | 22:10 |
| efried | mriedem ^^ | 22:11 |
| mriedem | efried: ok probably for tomorrow at this rate | 22:11 |
| cfriesen_ | mriedem: sweet, thanks for the recheck too | 22:11 |
| efried | mriedem Oh, for sure. | 22:11 |
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| openstackgerrit | Eric Fried proposed openstack/nova master: Trim the fat from InstanceInfo https://review.openstack.org/471146 | 22:25 |
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| openstackgerrit | Takashi NATSUME proposed openstack/nova-specs master: Uncap sphinx version https://review.openstack.org/471153 | 22:49 |
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| mriedem | cfriesen_: why does anything in https://review.openstack.org/#/c/435141/10/novaclient/tests/unit/test_shell.py need to change? | 23:26 |
| mriedem | i.e. what's up with all of the list -> flavor-list changes? | 23:26 |
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| mriedem | i see in the commit message now, | 23:28 |
| mriedem | but still, seems we can set a default api_version in whatever fixture is used for those tests so you don't need to change them all | 23:28 |
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| openstackgerrit | Merged openstack/nova master: Completed implementation of instance diagnostics for Xen https://review.openstack.org/399613 | 23:33 |
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| mriedem | artom: some questions inline before i approve https://review.openstack.org/#/c/465205/ | 23:55 |
| artom | mriedem, man of your word. Much thanks, let me take a look | 23:55 |
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| mriedem | i have to do something during girls gymnastics class (besides watch and support of course) | 23:57 |
| artom | Well crap, now I feel guilty for taking away father-daughter time | 23:58 |
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