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| openstackgerrit | Takashi NATSUME proposed openstack/nova master: Remove mox in libvirt/test_driver.py (6) https://review.openstack.org/571330 | 00:27 |
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| openstackgerrit | Merged openstack/nova master: manage: Remove dead code https://review.openstack.org/579118 | 00:42 |
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| openstackgerrit | Takashi NATSUME proposed openstack/nova master: Remove mox in libvirt/test_driver.py (7) https://review.openstack.org/571992 | 02:16 |
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| openstackgerrit | Chen proposed openstack/osc-placement master: Fix docstring for delete allocation method https://review.openstack.org/577075 | 02:35 |
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| openstackgerrit | Chen proposed openstack/osc-placement master: Fix docstring for delete allocation method https://review.openstack.org/577075 | 02:39 |
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| openstackgerrit | Deepak Mourya proposed openstack/nova master: Resource_provider API handler does not return specific error codes https://review.openstack.org/579423 | 03:14 |
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| openstackgerrit | Takashi NATSUME proposed openstack/nova master: Remove mox in libvirt/test_driver.py (8) https://review.openstack.org/571993 | 04:09 |
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| openstackgerrit | jichenjc proposed openstack/nova master: Adjust log style and remove ocata support https://review.openstack.org/576462 | 04:24 |
| openstackgerrit | jichenjc proposed openstack/nova master: [doc] enhance admin/configuration/api.rst https://review.openstack.org/566008 | 04:25 |
| openstackgerrit | jichenjc proposed openstack/nova master: remove ec2 object definitions https://review.openstack.org/557150 | 04:25 |
| openstackgerrit | jichenjc proposed openstack/nova master: remove ec2 db functions https://review.openstack.org/557572 | 04:25 |
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| openstackgerrit | Takashi NATSUME proposed openstack/nova master: Transform aggregate.update_prop notification https://review.openstack.org/462576 | 04:38 |
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| openstackgerrit | Bhagyashri Shewale proposed openstack/nova master: PCPU: Define numa dedicated CPU resource class https://review.openstack.org/561770 | 04:42 |
| openstackgerrit | Bhagyashri Shewale proposed openstack/nova master: NUMACell, InstanceNUMACell: Adopt 'PCPU' changes https://review.openstack.org/576021 | 04:42 |
| openstackgerrit | Bhagyashri Shewale proposed openstack/nova master: Report PCPU to placement https://review.openstack.org/577038 | 04:42 |
| deepak_mourya | @gmann I have reported this bug[0] that when we do nova list according to the documentation[1] the resulted servers should come in the descending order but actual result is in ascending order. | 04:43 |
| deepak_mourya | Next thing is when we do nova list --sort id the resulted outcome is unsorted because nova is ignoring the 'id'[1] for sortion. | 04:43 |
| deepak_mourya | So what should be the good approach for sorting in the nova list ? | 04:43 |
| deepak_mourya | [0]https://bugs.launchpad.net/python-novaclient/+bug/1779057 | 04:43 |
| deepak_mourya | [1]https://docs.openstack.org/python-novaclient/latest/cli/nova.html#nova-list | 04:43 |
| openstack | Launchpad bug 1779057 in python-novaclient "'nova list --sort id' command gives unsorted list result" [Low,Confirmed] - Assigned to Deepak Mourya (mourya007) | 04:43 |
| deepak_mourya | [2]https://github.com/openstack/nova/blob/d28a0b5f84e6a529a66a8423944076adf644e3e2/nova/api/openstack/compute/schemas/servers.py#L321-L331 | 04:43 |
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| openstackgerrit | Takashi NATSUME proposed openstack/nova master: Fix missing versioned notification examples https://review.openstack.org/579436 | 05:44 |
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| openstackgerrit | Takashi NATSUME proposed openstack/nova master: Update admin/flavors document https://review.openstack.org/573063 | 06:19 |
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| openstackgerrit | OpenStack Proposal Bot proposed openstack/nova master: Imported Translations from Zanata https://review.openstack.org/578019 | 06:49 |
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| Kevin_Zheng | ping alex_xu | 06:57 |
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| jichen | brinzhang: hi | 07:08 |
| BrinZhang | Hi We talk privately? | 07:09 |
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| openstackgerrit | Surya Seetharaman proposed openstack/nova master: [WIP] Add queued for delete to instance_mappings table. https://review.openstack.org/566788 | 07:14 |
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| korean101 | HI guys | 07:16 |
| korean101 | why my compute node's used_ram=512MB? | 07:16 |
| korean101 | INFO nova.compute.resource_tracker [req-45ce4318-c909-43bf-b24c-7d8e6f4eb12b - - - - -] Final resource view: name=compute-098.hanpda.com phys_ram=257841MB used_ram=512MB | 07:17 |
| korean101 | I really used 165GB | 07:17 |
| korean101 | nova host-describe command shows me '512MB' | 07:17 |
| korean101 | and some ERRORs 'is not a valid node managed by this compute host.' | 07:20 |
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| openstackgerrit | Surya Seetharaman proposed openstack/nova master: [WIP/POC] Add queued_for_delete field to InstanceMapping object https://review.openstack.org/566795 | 07:23 |
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| vpc | hi | 07:31 |
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| openstackgerrit | Chason Chan proposed openstack/nova master: Use an alternative class 'MoxStubout' https://review.openstack.org/579482 | 08:08 |
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| naichuans_ | efried: Hi, Eric, how about "bp: Handling Reshaped Provider Trees" patches going on? Can I use this function if I merge your patches? Thanks. | 08:15 |
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| openstackgerrit | Zhenyu Zheng proposed openstack/nova master: nova-manage db archive_deleted_rows is not multi-cell aware https://review.openstack.org/507486 | 08:28 |
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| vpc | hi guys | 09:01 |
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| vpc | anyone using instance with GPU | 09:01 |
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| openstackgerrit | Sylvain Bauza proposed openstack/nova stable/queens: libvirt: Fix the rescue race for vGPU instances https://review.openstack.org/579503 | 09:32 |
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| openstackgerrit | Yikun Jiang (Kero) proposed openstack/nova master: Refactor the policies to policy https://review.openstack.org/579113 | 09:50 |
| openstackgerrit | Yikun Jiang (Kero) proposed openstack/nova master: Add policy to InstanceGroup object and api models. https://review.openstack.org/563375 | 09:50 |
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| stephenfin | gibi: Morning. Fancy putting https://review.openstack.org/#/c/552874/ through | 10:02 |
| stephenfin | *? | 10:02 |
| gibi | stephenfin: hi, looking... | 10:04 |
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| gibi | stephenfin: +W | 10:08 |
| stephenfin | gibi: ta :) | 10:09 |
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| openstackgerrit | Balazs Gibizer proposed openstack/nova master: Regression test for bug 1779635 https://review.openstack.org/579508 | 10:16 |
| openstack | bug 1779635 in OpenStack Compute (nova) "placement allows RP parent loop in PUT resource_providers/{uuid}" [Undecided,New] https://launchpad.net/bugs/1779635 | 10:16 |
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| openstackgerrit | Stephen Finucane proposed openstack/nova master: Convert 'placement_api_docs' into a Sphinx extension https://review.openstack.org/578826 | 10:22 |
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| openstackgerrit | Takashi NATSUME proposed openstack/nova master: Remove unnecessary execute permissions of a file https://review.openstack.org/579511 | 10:42 |
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| openstackgerrit | Merged openstack/nova master: Use 'version2' when syncing placement db https://review.openstack.org/579200 | 11:04 |
| openstackgerrit | Merged openstack/nova master: More config drive docs updates https://review.openstack.org/578890 | 11:04 |
| openstackgerrit | Merged openstack/nova master: Clarify log in RT._update_usage_from_migration https://review.openstack.org/554623 | 11:05 |
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| openstackgerrit | Brin Zhang proposed openstack/nova-specs master: Add support specify volume type when boot instance https://review.openstack.org/579520 | 11:22 |
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| openstackgerrit | Brin Zhang proposed openstack/nova-specs master: Add support specify volume type when boot instance https://review.openstack.org/579520 | 11:33 |
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| openstackgerrit | Bence Romsics proposed openstack/osc-placement master: Add nested resource providers (v1.14) https://review.openstack.org/546675 | 11:45 |
| openstackgerrit | Bence Romsics proposed openstack/osc-placement master: Limit allocation candidates (v1.15, v1.16) https://review.openstack.org/548043 | 11:45 |
| openstackgerrit | Bence Romsics proposed openstack/osc-placement master: Allocation candidates parameter: required (v1.17) https://review.openstack.org/548326 | 11:45 |
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| openstackgerrit | Yikun Jiang (Kero) proposed openstack/nova master: Add policy to InstanceGroup object and api models. https://review.openstack.org/563375 | 12:02 |
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| openstackgerrit | Yikun Jiang (Kero) proposed openstack/nova master: Add policy field to ServerGroup notification object https://review.openstack.org/563401 | 12:13 |
| openstackgerrit | Yikun Jiang (Kero) proposed openstack/nova master: Adapt _validate_instance_group_policy to new policy model https://review.openstack.org/571465 | 12:13 |
| openstackgerrit | Yikun Jiang (Kero) proposed openstack/nova master: Microversion 2.64 - Use new format policy in server group https://review.openstack.org/567534 | 12:13 |
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| kashyap | stephenfin: Hi there, damned if I could find, mind pointing to the Git repo of this page: https://docs.openstack.org/glance/latest/admin/useful-image-properties.html | 12:24 |
| stephenfin | kashyap: https://github.com/openstack/glance/blob/master/doc/source/admin/useful-image-properties.rst | 12:25 |
| kashyap | stephenfin: Most excellent | 12:26 |
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| openstackgerrit | Merged openstack/nova master: Resource tracker: improve resource tracker periodic task https://review.openstack.org/576052 | 12:34 |
| openstackgerrit | Merged openstack/nova master: Fix regression when listing build_requests with marker and ip filter https://review.openstack.org/576161 | 12:34 |
| openstackgerrit | Merged openstack/nova master: Update admin/flavors document https://review.openstack.org/573063 | 12:34 |
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| alex_xu | Kevin_Zheng: pong | 12:51 |
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| openstackgerrit | Takashi NATSUME proposed openstack/nova stable/queens: Update admin/flavors document https://review.openstack.org/579542 | 12:55 |
| openstackgerrit | Stephen Finucane proposed openstack/nova master: conf: Resolve Sphinx errors https://review.openstack.org/579545 | 13:01 |
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| openstackgerrit | Merged openstack/nova master: Simplify instance name generation https://review.openstack.org/516573 | 13:18 |
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| openstackgerrit | Deepak Mourya proposed openstack/nova master: Resource_provider API handler does not return specific error codes https://review.openstack.org/579423 | 13:27 |
| openstackgerrit | Balazs Gibizer proposed openstack/nova master: Transform missing delete notifications https://review.openstack.org/410297 | 13:31 |
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| gibi | stephenfin: lost a +W in a trivial rebase on https://review.openstack.org/#/c/410297/ could you put it back? | 13:32 |
| stephenfin | gibi: sure | 13:32 |
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| efried | naichuans_: We're nowhere close on reshaping yet, sorry. | 13:32 |
| efried | But nrp is merged! | 13:33 |
| gibi | stephenfin: thanks | 13:33 |
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| openstackgerrit | Matt Riedemann proposed openstack/nova stable/queens: Fix regression when listing build_requests with marker and ip filter https://review.openstack.org/579561 | 13:39 |
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| naichuans_ | efried: got it, thanks, Eric. Anyway, we can't apply n-rp to a already existed rp until reshape merged, right? | 13:49 |
| openstackgerrit | Surya Seetharaman proposed openstack/python-novaclient master: [WIP/POC] Client changes for down cell https://review.openstack.org/579563 | 13:49 |
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| openstackgerrit | Balazs Gibizer proposed openstack/osc-placement master: Add nested resource providers (v1.14) https://review.openstack.org/546675 | 13:52 |
| openstackgerrit | Balazs Gibizer proposed openstack/osc-placement master: Limit allocation candidates (v1.15, v1.16) https://review.openstack.org/548043 | 13:52 |
| openstackgerrit | Balazs Gibizer proposed openstack/osc-placement master: Allocation candidates parameter: required (v1.17) https://review.openstack.org/548326 | 13:52 |
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| efried | naichuans_: Well, it depends. If you've previously exposed the inventory in question as part of the compute node provider, then yes, you need to handle reshaping. But if it's new resources you've never shown before, you're fine. | 14:03 |
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| stephenfin | gibi: What was the bug with sets in o.vo you were talking about? | 14:05 |
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| stephenfin | gibi: I'm seeing intermittent issues e.g. http://logs.openstack.org/40/564440/13/check/openstack-tox-py27/6df2c7b/testr_results.html.gz as think it's that same issue | 14:05 |
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| efried | stephenfin: https://review.openstack.org/#/c/569417/ / https://bugs.launchpad.net/oslo.versionedobjects/+bug/1771804 ? | 14:06 |
| openstack | Launchpad bug 1771804 in oslo.versionedobjects "ObjectVersionChecker.get_hash generates unstable hash for set() default value between py27 and py35" [Undecided,Fix released] - Assigned to Balazs Gibizer (balazs-gibizer) | 14:06 |
| gibi | efried: you were faster | 14:07 |
| stephenfin | efried: That's what I was referring to, yup. Now to see if it is the same thing. Cheers! | 14:07 |
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| stephenfin | Hmm, so if sets in Python are unordered, how do I make sure a test that relies on particular ordering doesn't fail intermittently? https://review.openstack.org/#/c/575486/6/nova/tests/unit/objects/test_selection.py | 14:13 |
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| efried | sort | 14:14 |
| stephenfin | that's going to change the object type though | 14:14 |
| stephenfin | I guess that doesn't matter so long as we can convert back | 14:14 |
| efried | If you're comparing sets, it should just work | 14:14 |
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| gibi | stephenfin: if you break up the big assert to a list of smaller asserts then you can eventually compare sets as efried suggests | 14:16 |
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| stephenfin | Ooh, much better than what I was about to do | 14:16 |
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| * efried throws gibi a high five | 14:17 | |
| gibi | gibi catches | 14:18 |
| gibi | I mean | 14:18 |
| * gibi catche | 14:18 | |
| gibi | s | 14:18 |
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| efried | mriedem: O bugmeister supreme, do we have a bug open for this: http://logs.openstack.org/62/576462/3/check/openstack-tox-lower-constraints/77e13fb/testr_results.html.gz | 14:30 |
| efried | We're comparing json serialization of a dict, which is happening in unpredictable order (predictably). | 14:30 |
| efried | This is popping up all over the place intermittently. | 14:31 |
| mriedem | i personally haven't opened a bug nor seen that yet no | 14:31 |
| efried | ight. | 14:31 |
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| * efried will bbiab | 14:31 | |
| mriedem | sahid: you should triage this probably https://bugs.launchpad.net/nova/+bug/1779626 | 14:32 |
| openstack | Launchpad bug 1779626 in OpenStack Compute (nova) "MTU setting feature conflicts with minimum Qemu version " [Undecided,New] | 14:32 |
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| sahid | mriedem: we should probably mark it as duplicate of 1747496 | 14:36 |
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| sahid | sounds good for you? | 14:36 |
| sahid | oh wait... i think i missunderstood | 14:36 |
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| mriedem | the new bug is saying the change is a regression | 14:37 |
| sahid | yes sorry | 14:38 |
| openstackgerrit | Matt Riedemann proposed openstack/nova master: api-ref: fix min_version for parent_provider_uuid in responses https://review.openstack.org/579577 | 14:39 |
| sahid | i'm supprised to see QEMU in relation to this, since it's libvirt who is creating the tap and configuring the mtu | 14:39 |
| openstackgerrit | Stephen Finucane proposed openstack/nova master: network: Always retrieve network information if available https://review.openstack.org/564444 | 14:39 |
| openstackgerrit | Stephen Finucane proposed openstack/nova master: network: Retrieve tunneled status in '_get_physnet_info' https://review.openstack.org/564445 | 14:39 |
| openstackgerrit | Stephen Finucane proposed openstack/nova master: objects: Add NUMACell.network_metadata https://review.openstack.org/564439 | 14:39 |
| openstackgerrit | Stephen Finucane proposed openstack/nova master: objects: Add NUMATopologyLimits.networks https://review.openstack.org/575486 | 14:39 |
| openstackgerrit | Stephen Finucane proposed openstack/nova master: hardware: Start accounting for networks in NUMA placement https://review.openstack.org/564448 | 14:39 |
| openstackgerrit | Stephen Finucane proposed openstack/nova master: objects: Add RequestSpec.network_metadata https://review.openstack.org/564442 | 14:39 |
| openstackgerrit | Stephen Finucane proposed openstack/nova master: scheduler: Start utilizing RequestSpec.network_metadata https://review.openstack.org/564452 | 14:39 |
| openstackgerrit | Stephen Finucane proposed openstack/nova master: conf: Add '[neutron] physnets' and related options https://review.openstack.org/564440 | 14:39 |
| openstackgerrit | Stephen Finucane proposed openstack/nova master: libvirt: Start populating NUMACell.network_metadata field https://review.openstack.org/564441 | 14:39 |
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| mriedem | sahid: btw, i updated https://review.openstack.org/#/c/551370/ so re-review on that would be appreciated | 14:57 |
| mriedem | that's the thing where we can change vif type during live migration, | 14:57 |
| mriedem | so i'm overwriting the source <interface> elements with the dest vif config | 14:57 |
| sahid | mriedem: sure i will do, i'm curently investigating that issue with MTU, there is that host_mtu parameter added for virtio-net interface which i'm supprised to see libvirt returning an error when not supported by QEMU we (libvirt) should probably just pass | 15:01 |
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| mriedem | nova will have to workaround that | 15:05 |
| mriedem | i.e. nova can't wait for libvirt to change | 15:05 |
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| openstackgerrit | Matt Riedemann proposed openstack/osc-placement master: Add nested resource providers (v1.14) https://review.openstack.org/546675 | 15:07 |
| openstackgerrit | Matt Riedemann proposed openstack/osc-placement master: Limit allocation candidates (v1.15, v1.16) https://review.openstack.org/548043 | 15:07 |
| openstackgerrit | Matt Riedemann proposed openstack/osc-placement master: Allocation candidates parameter: required (v1.17) https://review.openstack.org/548326 | 15:07 |
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| openstackgerrit | Matt Riedemann proposed openstack/osc-placement master: Add nested resource providers (v1.14) https://review.openstack.org/546675 | 15:09 |
| openstackgerrit | Matt Riedemann proposed openstack/osc-placement master: Limit allocation candidates (v1.15, v1.16) https://review.openstack.org/548043 | 15:09 |
| openstackgerrit | Matt Riedemann proposed openstack/osc-placement master: Allocation candidates parameter: required (v1.17) https://review.openstack.org/548326 | 15:09 |
| gibi | an easy doc generation bug needs a second core https://review.openstack.org/#/c/579436 | 15:10 |
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| mriedem | gibi: what's missing? i don't see a difference between http://logs.openstack.org/36/579436/1/check/build-openstack-sphinx-docs/7558c85/html/reference/notifications.html#versioned-notification-samples and https://docs.openstack.org/nova/latest/reference/notifications.html#versioned-notification-samples | 15:13 |
| mriedem | unless the latter is still built using py3 | 15:13 |
| mriedem | *py2 | 15:13 |
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| gibi | mriedem: let me try to reproduce it locally | 15:15 |
| * mriedem does the same | 15:16 | |
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| mriedem | gibi: locally i see the aggregate ones are missing at least | 15:20 |
| gibi | mriedem: confirm | 15:20 |
| gibi | mriedem: I mean I can confirm | 15:20 |
| mriedem | +W | 15:21 |
| gibi | mriedem: thanks | 15:21 |
| mriedem | efried: does anyone have a patch up for those busted tests? | 15:21 |
| mriedem | and/or bug | 15:21 |
| dansmith | stephenfin: sounds like "the chat" never happened.. I have another call at the top of the hour and then I assume you'll be gone before I'm done | 15:21 |
| dansmith | stephenfin: shall we plan for tomorrow morning? maybe get something on calendars so we don't let it go? | 15:21 |
| stephenfin | Yeah, that sounds good to me. I don't think I've any conflicts tomorrow | 15:22 |
| stephenfin | I'll just stick something in my calendar now | 15:22 |
| dansmith | stephenfin: can you send invites to make sure we're all good? | 15:23 |
| stephenfin | dansmith: Done | 15:24 |
| dansmith | thanks | 15:24 |
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| efried | mriedem: Not that I am aware of, swhy I asked you. | 15:27 |
| mriedem | efried: ok, you can do that also right? | 15:27 |
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| efried | mriedem: I took a look at it last week, and I'm not sure how to fix it without sorting it on both sides (test and prod). | 15:28 |
| efried | mriedem: Otherwise I would have to, like, dissect the payload and deserialize the json. | 15:28 |
| mriedem | if it's a json compare we have a jsonEquals helper or something | 15:28 |
| mriedem | yeah we likely have to do that | 15:29 |
| mriedem | nova.test.TestCase.assertJsonEqual | 15:29 |
| mriedem | if no one else is going to, i'll start on the bug and patch now | 15:29 |
| efried | mriedem: IIRC (I've slept since then) it's serialized JSON embedded in another object. | 15:29 |
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| mriedem | i'll take a look | 15:30 |
| efried | mriedem: If you've got the time for it, cool. If not, I can take it. | 15:30 |
| mriedem | it saves me from having to look at my mid-year pbc results | 15:32 |
| mriedem | so sure | 15:32 |
| mriedem | s/look/work on/ | 15:32 |
| efried | Did you miss the transition from pbc to "checkpoint"? | 15:34 |
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| mriedem | i explained that every time i got the "you worked at ibm so you know about pbcs" joke | 15:38 |
| mriedem | "actually...." | 15:38 |
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| openstackgerrit | Surya Seetharaman proposed openstack/nova master: Add queued for delete to instance_mappings table. https://review.openstack.org/566788 | 15:40 |
| openstackgerrit | Surya Seetharaman proposed openstack/nova master: [WIP] Add queued_for_delete field to InstanceMapping object https://review.openstack.org/566795 | 15:40 |
| openstackgerrit | Surya Seetharaman proposed openstack/nova master: [POC] Graceful handling of nova-list when a cell is down https://review.openstack.org/567785 | 15:40 |
| mriedem | https://bugs.launchpad.net/nova/+bug/1779711 | 15:40 |
| openstack | Launchpad bug 1779711 in OpenStack Compute (nova) "test_pre_live_migration_volume_backed* intermittently fails serialized json compare" [Critical,Confirmed] | 15:40 |
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| efried | Thanks, was about to ask so I could start tagging rechecks with it :) | 15:45 |
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| openstackgerrit | sahid proposed openstack/nova master: libvirt: add qemu version check when configuring mtu for network https://review.openstack.org/579611 | 15:48 |
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| openstackgerrit | Matt Riedemann proposed openstack/nova master: Use assertJsonEqual in test_pre_live_migration_volume_backed* tests https://review.openstack.org/579615 | 15:51 |
| mriedem | efried: ^ | 15:51 |
| efried | mriedem: Does assertJsonEqual tolerate the fact that the outermost thing isn't a JSON string yet? | 15:53 |
| mriedem | doesn't have to be json strings | 15:56 |
| mriedem | it handles them if they are | 15:56 |
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| mriedem | assertDictEqual might have also worked for this | 15:56 |
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| mriedem | i think we use assertJsonEqual for the versioned notification payload comparisons | 15:56 |
| mriedem | because of the nesting in those | 15:56 |
| mriedem | assertDictEqual kind of gives a shitty error message when it fails though | 15:56 |
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| efried | mriedem: Looking at the source for assertJsonEqual, I don't think it's going to work in this case. | 15:57 |
| mriedem | it passes for me locally | 15:58 |
| efried | sure | 15:58 |
| mriedem | bauzas: i'm seeing rescue tests failing since your vgpu race fix patch merged http://logs.openstack.org/47/555947/17/check/nova-multiattach/c6f458a/logs/screen-n-cpu.txt.gz#_Jun_26_15_29_18_875732 | 15:58 |
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| mriedem | bauzas: http://logstash.openstack.org/#dashboard/file/logstash.json?query=message%3A%5C%22libvirtError%3A%20failed%20to%20connect%20to%20monitor%20socket%3A%20No%20such%20process%5C%22%20AND%20tags%3A%5C%22screen-n-cpu.txt%5C%22&from=7d | 15:58 |
| efried | the failure is intermittent | 15:58 |
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| efried | I would think the things usually serialize the same | 15:58 |
| efried | which is how this got through in the first place | 15:59 |
| mriedem | yeah let me run a few times | 15:59 |
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| openstackgerrit | Balazs Gibizer proposed openstack/nova master: Prevent updating an RP's parent to form a loop https://review.openstack.org/579618 | 16:01 |
| lyarwood | mriedem / efried ; FWIW this is also here - https://github.com/openstack/nova/blob/0ef62de88862795cf66d13f6640b68ab9b155efb/nova/tests/unit/network/test_os_vif_util.py#L32-L38 | 16:01 |
| mriedem | yeah i saw the comment about test_os_vif_util in the new tests | 16:03 |
| efried | mriedem: I'm just copying the reference/actual from a failing test run. | 16:03 |
| openstackgerrit | Balazs Gibizer proposed openstack/nova master: Prevent updating an RP's parent to form a loop https://review.openstack.org/579618 | 16:03 |
| efried | mriedem: and it fails assertJsonEqual | 16:03 |
| openstackgerrit | Corey Bryant proposed openstack/nova master: Enable connection_info refresh for new-style attachments https://review.openstack.org/579004 | 16:05 |
| mriedem | oh is it connection_info_json ? | 16:05 |
| mriedem | yeah must be | 16:06 |
| mriedem | ok | 16:06 |
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| efried | mriedem: Yeah. | 16:06 |
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| mriedem | lyarwood: that's why test_os_vif_util doesn't fail then - no embedded serialized json | 16:08 |
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| efried | mriedem: This sucks a little, but it works: http://paste.openstack.org/show/724766/ | 16:09 |
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| mriedem | i was just going to deserialize in the test and pass those on to assertEqual as it's doing now | 16:11 |
| mriedem | with a note | 16:11 |
| efried | ight | 16:11 |
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| mriedem | i might also be able to handle this generically in assertJsonEqual | 16:16 |
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| mriedem | i'll try both | 16:16 |
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| openstackgerrit | Matt Riedemann proposed openstack/nova master: Handle nested serialized json entries in assertJsonEqual https://review.openstack.org/579615 | 16:28 |
| mriedem | efried: ok the generic one wins ^ | 16:28 |
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| efried | mriedem: I still don't see how that's going to help. The outermost object is not a string type. | 16:29 |
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| efried | nor is the first level in, which is I guess what you're targeting now. | 16:30 |
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| mriedem | i'm doing it in the recursion | 16:32 |
| mriedem | bauzas: nvm i guess that's just something that shows up a lot in the gate | 16:33 |
| efried | mriedem: Okay, yeah, I see the recursion now. | 16:33 |
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| mriedem | i'm pretty sure it's the greatest patch i've written in years | 16:35 |
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| openstackgerrit | Merged openstack/nova master: Fix missing versioned notification examples https://review.openstack.org/579436 | 16:53 |
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| openstackgerrit | Surya Seetharaman proposed openstack/nova-specs master: Handling a down cell https://review.openstack.org/557369 | 17:33 |
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| openstackgerrit | Jay Pipes proposed openstack/nova master: placement: return consumer info even when no alloc https://review.openstack.org/579654 | 17:52 |
| Sundar | efried, please ping me when you can. Thanks. | 17:52 |
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| efried | Sundar: I'm here. What's up? | 17:52 |
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| openstackgerrit | Merged openstack/nova master: Remove unnecessary execute permissions of a file https://review.openstack.org/579511 | 18:00 |
| Sundar | efried: Do you have a few minutes re. os-acc spec? | 18:00 |
| efried | Sundar: sure | 18:01 |
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| efried | I'd like to understand how cyborg is going to do "discovery", actually. | 18:01 |
| Sundar | Re. the idea that os-acc should operate in 3 stages (call Cyborg for prep, call plugin, and then call Cyborg again for post/cleanup), since the plugin has device/vendor-specific code, and Cyborg also has device/vendor-specific code, | 18:02 |
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| Sundar | the split in responsibilities, becomes unclear | 18:03 |
| Sundar | If you delegate all device/vendor-specific code to the plugn, and let it either handle it or delegate to Cyborg as needed, that would be a cleaner split. What do you think? | 18:03 |
| efried | It's "Cyborg also has device/vendor-specific code" that I'm confused about | 18:03 |
| Sundar | Cyborg supports a system of drivers. Some drivers already exist. #link https://wiki.openstack.org/wiki/Cyborg#Pike.2FQueens_Initial_Architecture | 18:04 |
| efried | ... | 18:04 |
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| efried | Sundar: Does this support exist on all platforms, or just kvm? | 18:05 |
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| efried | This is my concern. There's no way cyborg has written device discovery etc. on power. Or am I wrong? | 18:06 |
| Sundar | The initial implementation is expected to be for libvirt, possibly qemu/KVM. However, based on our conversation, we could say all hypervisor/platform-specific stuff could be in the plugin. The Cyborg drivers would handle device-specific aspects | 18:07 |
| Sundar | Cynorg architecture is hypervisor-neutral | 18:07 |
| Sundar | * Cyborg | 18:07 |
| efried | Right. I'm on board with that. | 18:07 |
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| efried | So we need to define the flows as if that's always the case. | 18:07 |
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| Sundar | Yes. Some things the plugin does (the Instance Half of the attach) are hypervisor/platform-specific. Other things (Device half) are device/vendor/platform-specific. ... | 18:09 |
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| Sundar | The split of roles between the plugin and Cyborg driver could be left to the plugin? | 18:09 |
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| efried | No, that's where we disagree. | 18:09 |
| efried | The overall logic flow should live in cyborg-owned code (whether cyborg service or os-acc or whatever) so that it need only be written once. | 18:11 |
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| efried | The plugin should be responsible for the very granular leaf primitives that deal specifically with the platform, nothing else. | 18:11 |
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| Sundar | Does the 'platform' include the device-specific aspects, or hypervisor/architecture/system only? | 18:13 |
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| Sundar | If the latter, I am totally on board | 18:14 |
| Sundar | If the former, we need to define what the plugin does vis-a-vis Cyborg driver(s) | 18:15 |
| efried | I don't really know enough about the specifics of managing devices to be able to answer that, but yes, I'm hoping we can define the flow so the latter is possible. | 18:15 |
| Sundar | Great. OK, how about this? Let's go with the 3-stage flow for os-acc: prep by calling Cyborg, call plugin, and finish by calling Cyborg. All device-specific aspects are left to the 1st and 3rd steps, to be done by a Cyborg driver. | 18:16 |
| Sundar | All hypervisor/platform/system/arch-dependent steps are for the plugin | 18:16 |
| efried | Yes. BUT it might not be as simple as three stages, I'm not sure. | 18:17 |
| efried | let me walk through a (hypothetical) example to show you what I mean... | 18:18 |
| efried | hold a minute... | 18:18 |
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| efried | Sundar: Okay, sorry about that - was finishing up a soooper messy lunch, typing with one hand. I'm back to full speed now. | 18:22 |
| efried | So here's the example: I want to program and attach an FPGA | 18:22 |
| efried | Cyborg can do the programming, but in order to do so, it needs to be supplied with a file-like that's piped to the device. | 18:23 |
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| efried | (Again, no idea how realistic this is, but go with me for a bit here) | 18:23 |
| efried | The user says "program the device with bitstream from image XYZ" | 18:23 |
| efried | Cyborg calls the plugin and says "give me a file-like so I can program". | 18:24 |
| efried | On libvirt, maybe the plugin just does f = open("/path/to/special_file") and gives back f. | 18:24 |
| efried | On Power, we probably have to attach the device to the management partition and then do ^ | 18:24 |
| efried | On Windows, gods forbid, who knows what happens, but it'd be like D:\path\to\special_file anyway... | 18:25 |
| efried | So then control goes back to cyborg, which goes and happily flashes the device. | 18:25 |
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| efried | Now there has to be a "close/cleanup" step. Cyborg calls the plugin and says, "Okay, I'm done". | 18:25 |
| efried | On libvirt, in this example, it's just close(f). On Power, close(f) and detach the device from the management partition. On Windows.... who knows, whatever. | 18:26 |
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| efried | Sundar: Now, I don't know where this fits in the overall "plug" flow. Does it happen before or after we attach the thing to the VM? I would assume before. | 18:27 |
| efried | Except if there's a flow where we program the thing while it's already attached; I don't even know how that would work. | 18:28 |
| Sundar | We already have provisions for programming from Cyborg drivers (not yet implemented fully). Re. "a file-like that's piped to the device", the bitstreams will reside in Glance and will be accessed via image UUID. | 18:28 |
| efried | Sundar: Right, that's where the data comes *from*, but how does it get *to* the device? | 18:28 |
| efried | The glance side is the source of the data. You need a sink. | 18:28 |
| Sundar | The Cyborg FPGA driver knows what to do. Anyway, you will have a vendor stack -- like OPAE kernel drivers for Intel FPGAs, Xilinx stack etc. | 18:29 |
| efried | Or maybe what you're saying is the program_fpga plugin method will be given the source handle and be responsible for pushing the data from that handle to the device. | 18:29 |
| efried | That would be fine too. | 18:29 |
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| Sundar | The Cyborg FPGA driver knows how to interface with the vendor-specific stack | 18:29 |
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| efried | vendor-specific, sure, but on all platforms? That's the part I'm doubting. | 18:30 |
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| Sundar | If you have an FPGA on Power, you will presumably have a vendor-specific (Intel/Xilinx) and OS-specific (Linux/AIX/...) driver for it, right? Independent of Openstack/Kubernetes/..., you would need that | 18:31 |
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| Sundar | The Cyborg driver goes on top of that | 18:32 |
| efried | I imagine there's two levels of "driver" we'll need. | 18:32 |
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| efried | One that the platform can use to talk to the device, and one per guest OS that the VM needs to actually *use* the thing. | 18:32 |
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| efried | See, on kvm that's basically one thing, because the hypervisor and the guests are running the same OS. | 18:33 |
| efried | ...and the device is "attached" to the hypervisor to begin with. | 18:33 |
| Sundar | Yes, the first is the PF driver and the latter is the VF driver for SR-IOV-based devices. They need not be the same OS -- you could run Centos on the host and Ubuntu (or maybe Windows) on the VM | 18:34 |
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| Sundar | Does Power use SR-IOV? | 18:34 |
| efried | Yes | 18:34 |
| efried | That's a good example. | 18:34 |
| Sundar | That's what I'd expect :-P but good to confirm! | 18:35 |
| Sundar | OK, so you could have a PF driver on the host for mgmt ,.. | 18:35 |
| Sundar | and a VF driver on the guest for FPGA access | 18:35 |
| efried | In order to carve off a VF and set up its QoS etc. you have to make REST calls to the platform. | 18:35 |
| efried | And to attach it to a VM, you have to call REST as well. | 18:35 |
| efried | But the VM itself has to have the right drivers installed in order to see that VF as a network device. | 18:35 |
| Sundar | Why do you assume a specific implementation, with REST API etc.? Let's keep it generic | 18:36 |
| Sundar | Yes, you need to 'get a VF' -- either grab one that already exists (and was discovered), or create one on the fly ... | 18:37 |
| Sundar | Either way, it is a device-specific op in my view. | 18:37 |
| Sundar | The specific calls you may make would probably depend on the OS, but that is abstracted by the Cyborg driver and/or vendor-specific driver for that OS | 18:38 |
| Sundar | For example, with Linux ... | 18:38 |
| Sundar | you can run pci_sriov_enable() as soon as Cybprg driver discovers the device (or even earlier), and you get the list of VFs | 18:39 |
| efried | See, this is exactly my point. | 18:39 |
| Sundar | The Cyborg db stores them, and they can later be attached to a VAN | 18:39 |
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| efried | "Why do you assume a specific implementation, with REST API etc.? Let's keep it generic" ==> I'm mentioning specifically how this needs to be done on a Power system, because it's fundamentally different than what happens on kvm. | 18:40 |
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| efried | "as soon as Cyborg driver discovers the device" ==> *How* does the cyborg driver discover the device? | 18:40 |
| Sundar | What REST API do you need for Power? | 18:40 |
| efried | Assuming you're writing in python, the REST API is available via https://github.com/powervm/pypowervm | 18:41 |
| efried | It's a totally Power-specific API. | 18:41 |
| efried | And, once again, I would not expect cyborg to be calling into pypowervm. I would expect anything at that level to be relegated to the plugin. | 18:42 |
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| efried | pypowervm is awesome, but still requires some pretty esoteric domain knowledge of power systems. Knowledge that I wouldn't really expect the cyborg team to want to come up to speed on. | 18:43 |
| efried | Though I would be delighted to support you if you wanted to get into that business :) | 18:44 |
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| dansmith | efried: the hypervisor and guests are not running the same OS in kvm | 18:47 |
| dansmith | they might be, but that would be coincidence | 18:47 |
| efried | yeah, my bad. | 18:47 |
| Sundar | :) We do want to support all architectures. IMHO, it would be simplest if there are Cyborg drivers for Power devices as well. There is very little that core Cyborg assumes about devices, esp. ... | 18:48 |
| Sundar | with the recent changes to make the scheduling independent of PCI-centric things like whitelists | 18:48 |
| Sundar | You may have concerns about whether Cyborg can support such widely different architectures, ... | 18:49 |
| Sundar | but Cyborg should support them | 18:49 |
| efried | I do. Or rather, whether Cyborg will be motivated to support the... "less popular" ones. | 18:49 |
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| efried | wouldn't be the first time Power got marginalized because it's not kvm. | 18:50 |
| Sundar | As I tell everybody :), open source is democratic -- popularity does not (or should not) count! | 18:50 |
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| efried | whereas if we architect it such that platform specific pieces can be written by those with skin in that platform (i.e. me and my team) then we're covered either way. | 18:51 |
| Sundar | Got it -- based on your input, I have worked to make the scheduling PCI-independent. We can carry that forward into the compute node/os-acc as well | 18:51 |
| efried | If you want to write it, great; but if you don't (don't want to, don't have time/funding, don't get around to it, whatever) then we can. | 18:51 |
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| Sundar | You (or anybody else) can write Cyborg drivers that wrap around the vendor-specific ones (like Intel OPAE) | 18:52 |
| efried | Just so we're clear, "PCI address" is only one element of making sure things are generic. Kind of been using it as the flagship, but there's more to it than that. | 18:53 |
| efried | But your efforts to make things non-PCI-centric have been noted and much appreciated. | 18:53 |
| Sundar | Can you give me an end-to-end workflow for deploying a device on Power, so i can understand what all things are different? | 18:54 |
| efried | Well | 18:55 |
| efried | I can give you an example for SRIOV. | 18:55 |
| efried | I can't speak to FPGA or anything "programmable". | 18:55 |
| Sundar | OK, let's take a GPU | 18:55 |
| Sundar | say with SR-IOV support? | 18:56 |
| efried | So for GPU, I can tell you how we're going to do full-card attach. We don't have support for vGPU yet. | 18:56 |
| efried | So of course the GPU example is going to be very simple. | 18:56 |
| efried | I don't know what "GPU with SR-IOV support" means. | 18:56 |
| Sundar | OK, that was hypothetical. I'll let you give your example | 18:57 |
| efried | I thought SR-IOV had I/O (i.e. wires out the back) and GPU didn't. | 18:57 |
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| Sundar | Any PCI device can support SR-IOV. Many GPU devices don't, in practice | 18:58 |
| Sundar | Anyway, please describe the full-card attach for a GPU | 18:58 |
| efried | Again, I don't understand how a GPU does I/O; and for this example there's no V(irtualization). | 18:58 |
| efried | Okay, so for GPU, we start with discovery. For the immediate future all of this is going to happen in nova, facilitated by the powervm virt driver. | 18:59 |
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| efried | Discovery consists of intersecting two sets: 1) What the operator wants to allow (whitelist) and 2) What's on the system. | 18:59 |
| efried | Leaving aside the details of #1 (it's a file we parse) | 18:59 |
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| efried | We discover what's on the system by doing a GET of /rest/api/uom/ManagedSystem, which returns an XML payload for a <ManagedSystem/> object, in which is embedded a list of <IOSlot/> objects. | 19:00 |
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| efried | The <IOSlot/> objects have data fields like device ID, vendor ID, class, feature codes... like you would associate with a PCI device. | 19:01 |
| efried | it doesn't have a PCI address. Instead it has Power-specific addressing fields DRC name and DRC index. | 19:01 |
| efried | (the latter is 64 bits, which is one of the things that makes 32-bit PCI addresses suck for us - there's no reliable two-way mapping) | 19:01 |
| efried | So now we intersect #1 and #2 and come up with a list of the devices for which we're going to allow passthrough. | 19:02 |
| efried | We stuff those into child providers of the compute node. | 19:02 |
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| efried | The design we're currently working toward is to have one RP per device. Since we're not virtualizing yet, each will have an inventory of 1. The resource class will be CUSTOM_IOSLOT unless overridden in the whitelist file; for GPUs it'll likely be CUSTOM_GPU (unless we can swing a standard GPU resource class in Rocky). | 19:03 |
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| efried | (or even ACCELERATOR_GPU :) | 19:03 |
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| efried | We also tag that RP with some custom traits, including some that are made up out of the vendor ID, device ID, etc. | 19:04 |
| efried | Now the operator comes along and builds a flavor with resources:GPU=1 and maybe trait:CUSTOM_VENDOR_ID_ABCD=required etc. | 19:05 |
| efried | And does a spawn | 19:05 |
| efried | Most of nova doesn't notice the GPU resource in the extra specs, just ignores it. But once we get into the powervm virt driver, we see it and act on it. | 19:05 |
| efried | We see it in the allocation, to be clear. We don't care so much about the flavor at this point. | 19:06 |
| efried | In the allocation we can see which provider UUID the resource came from. And we know which actual device that corresponds to on the system. (Because we cleverly named the RP after the DRC index, or something.) | 19:06 |
| efried | We create the VM as normal, but before boot, we have to attach the device. | 19:07 |
| efried | We do that by calling another REST API, probably POST /rest/api/uom/LogicalPartition/{uuid} with a payload including the <IOSlot/> entry corresponding to the device corresponding to the resource provider we peeled out of the allocation. | 19:07 |
| efried | That REST API does magic on the platform to attach the device to the VM. Then we boot, and we're done. | 19:08 |
| efried | So | 19:08 |
| efried | In cyborg-land | 19:08 |
| efried | that POST /rest/api/uom/LogicalPartition/{uuid} thing would be the guts of the os-acc plugin's plug() operation. | 19:08 |
| efried | easy peasy. | 19:08 |
| efried | But what about the discovery part? | 19:09 |
| efried | This is where Cyborg shouldn't have to know anything about GET /rest/api/uom/ManagedSystem and how to parse the XML payload that comes in response. | 19:10 |
| efried | or even the much easier pypowervm equivalent of ^ | 19:10 |
| Sundar | Cool. The core of this flow -- representation in terms of RPs/RCs/traits and making Nova agnostic about the GPU resource class -- are the same as Cyborg ... | 19:10 |
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| Sundar | A few questions: who runs the discovery API (GET of /rest/api/uom/ManagedSystem)? Is it something on the compute node? | 19:11 |
| efried | There's a reason for that :) | 19:11 |
| efried | Yes, in pre-cyborg-land, the discovery happens in the powervm virt driver code, during get_available_resource / update_provider_tree | 19:12 |
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| efried | Note that this flow is in the early stages of development right now. We expect to have it working in our out-of-tree driver in Rocky. What we have currently implemented is for SR-IOV and is very different. | 19:13 |
| Sundar | OK, for the other REST API (POST /rest/api/uom/LogicalPartition/{uuid}), something about the implementation has to come back to the compute node and poke around the device, right? If the pypowervm is doing that, why do you need the REST API? The pypowervm can just do the poking around. | 19:13 |
| efried | The discovery and attach are similarly themed, in the sense that they involve PowerVM REST API calls. But we're not doing anything with resource providers yet. | 19:14 |
| efried | "come back to the compute node and poke around the device"... | 19:14 |
| efried | This is the thing about the power platform. | 19:14 |
| efried | The management partition is not the hypervisor. | 19:15 |
| efried | Power has true virtualization, in the sense that the host owns the hardware, and the "hypervisor" is a firmware thingy that I don't understand, and the management partition can only do its work by talking to that firmware gizmo. | 19:16 |
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| Sundar | So, the powervm virt driver is running in the mgmt partition and does not know about the hypervisor. Does the hypervisor run device drivers? | 19:17 |
| efried | not in the sense that you think of device drivers. | 19:17 |
| efried | One of the main points to note is that the devices themselves aren't "visible" to the management partition, unless you actually *attach* them to it. | 19:18 |
| Sundar | How would a GPU device vendor support Power? Does he have to write a plugin/whatever for the hypervisor? | 19:18 |
| efried | This is why pypowervm can't just "poke around the device" directly. | 19:18 |
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| efried | Somebody has to write drivers, yeah. | 19:19 |
| efried | You're way out of my area of expertise here, though. | 19:19 |
| Sundar | Hmmm, I need to think about this. | 19:20 |
| Sundar | Would SR-IOV device flow differ from the above in any significant way? | 19:20 |
| efried | I have no idea how e.g. FPGA programming is going to work. I'm only guessing it'll work like I mentioned above, where we'll have to attach the device to the management partition, where we'll have the right device driver installed, and we'll do the programming there, and then detach from the mgmt partition and attach to the VM. | 19:20 |
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| efried | So SR-IOV we actually have working today, just without placement in the picture; it's all hacked into the old PCI passthrough subsystem. | 19:21 |
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| efried | But SR-IOV is special (even more so) on power. | 19:21 |
| efried | We virtualize the VF through the virtial I/O servers. (That's three virtuals in that sentence.) This allows us to do redundancy at the platform level (rather than aggregation at the VM) and it also enables live migration of SR-IOV VMs. | 19:22 |
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| efried | But - the discovery and plug steps are much the same in the sense that we do them by making REST calls. | 19:23 |
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| efried | It's just the nova flow that's totally different at the moment. I'm actually not sure how we're going to do SR-IOV with placement. Maybe just not, yet. | 19:23 |
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| efried | edmondsw: Have we considered ^ ? | 19:23 |
| Sundar | Power's mgmt vs. hypervisor split sounds a bit like Xen's Dom 0 vs hypervisor split, except Xen drivers in dom0 can access devices directly (no REST API needed). Does that sound about right? | 19:24 |
| efried | I'm afraid I don't know. | 19:26 |
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| Sundar | OK, let me process that a bit. Thanks, efried. I didn't think I would get a crash course in Power as part of Cyborg development. ;) | 19:27 |
| efried | Sundar: Nobody expects the Spanish Inquisition. | 19:28 |
| efried | And I'll thank you not to use "crash" and "Power" in the same sentence again. | 19:28 |
| efried | Never happens. | 19:28 |
| Sundar | haha, sure. | 19:28 |
| efried | Thanks for the chat, Sundar. Keep up the good work, sir. | 19:29 |
| Sundar | NP. Take care, efried. | 19:29 |
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| edmondsw | efried that's long... what were you asking? | 19:56 |
| efried | edmondsw: What, if anything, our plan is for porting our SR-IOV support over to placement-land | 19:56 |
| edmondsw | efried I thought you were considering that, but I have not spent time on it | 19:57 |
| efried | edmondsw: I haven't really considered it yet, no. I think for the forseeable future if we continue to expose SR-IOV devices via PCI passthrough it will *probably* just work with the GPU-via-placement stuff. | 19:59 |
| efried | But eventually we'll want to get it all into placement-land. | 19:59 |
| efried | I just don't know what that's going to look like. | 19:59 |
| edmondsw | I must be missing something. Hasn't SR-IOV been one of the example use cases in several conversations? | 20:00 |
| efried | example use case of what, in conversations about what? | 20:00 |
| edmondsw | placement, traits, resource providers, etc. | 20:00 |
| edmondsw | nrp | 20:00 |
| efried | I've talked a lot about SR-IOV in general, hypothetical terms when discussing those things, yes. | 20:00 |
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| efried | But we haven't ever gone into the specifics. | 20:01 |
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| openstackgerrit | Merged openstack/nova master: Request only instance_uuid in ironic node list https://review.openstack.org/539509 | 20:04 |
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| openstackgerrit | Matt Rabe proposed openstack/nova master: Add destination MSP IP address to PowerVM migrate data https://review.openstack.org/579676 | 20:05 |
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| openstackgerrit | Matt Rabe proposed openstack/nova master: Add destination MSP IP address to PowerVM migrate data https://review.openstack.org/579676 | 21:27 |
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| openstackgerrit | Merged openstack/nova master: Regression test for bug 1779635 https://review.openstack.org/579508 | 21:28 |
| openstack | bug 1779635 in OpenStack Compute (nova) "placement allows RP parent loop in PUT resource_providers/{uuid}" [Medium,In progress] https://launchpad.net/bugs/1779635 - Assigned to Balazs Gibizer (balazs-gibizer) | 21:28 |
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| openstackgerrit | Merged openstack/nova master: Remove mox in unit/network/test_neutronv2.py (1) https://review.openstack.org/572018 | 23:11 |
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