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#openstack-nova - 2022-06-22
13:54:25 bauzas gibi: correct
13:54:44 bauzas in general, we set to None unless None is used for a specific flag
13:54:52 gibi yepp
13:54:56 bauzas and if so, we use the sentinel pattern
13:55:49 bauzas but again, we create a specific instance of an object that we use, and we try to not expose this instance elsewhere
13:56:13 bauzas by instance, I mean a stored value in memory
14:05:30 gibi purely hypotetically and purely from the code understandability perspective I'm not in favor of the optionalness of a parameter on an API. In python you have to look up the signature of the called function to know if a parameter is optional (i.e. has a default value in the signature) but as soon as you looked that up you see the default value (the sentinel) so that default value already leaked to the
14:05:36 gibi caller side
14:06:35 gibi I would make all the parameters non defaulted and document what value of what parameter means what :D
14:06:54 gibi that is a bit more explict than param=sentinel in a signature
14:07:16 gibi but this is way less important that make the unshelve patch land :D
14:07:24 gibi s/that/than/
14:07:42 bauzas that's why I explained why the pattern and also why I said in my last comment that docstrings help
14:08:12 bauzas I'd rather see a docstring saying (optional) my param
14:08:43 bauzas rather than asking to import a specific instance of a global class object
14:10:46 gibi the function itself is a global on the class an you import that to be able to call it
14:11:19 gibi None is an interpreter global :)
14:11:33 gibi (we are getting philosophycal )
14:12:33 gibi we are using enums from the fields module those are class level fields too
14:26:49 Uggla gibi, bauzas, last stuff, ok with FIELD_SENTINEL wording ?
14:29:48 gibi go with what bauzas asked for I won't block on it
14:30:29 bauzas Uggla: gibi: you can even name it privatly
14:30:36 bauzas like _unset_field
14:30:45 gibi sure
14:30:48 bauzas or _unsel_field_sentinel
14:31:01 bauzas I don't wanna nitpick on the naming :)
14:31:22 Uggla naming one of the hardest stuff in computing.
14:31:30 bauzas but yeah, actually, since this is an internal object, make it private
14:31:43 bauzas (by convention of course)
14:32:27 bauzas https://twitter.com/codinghorror/status/506010907021828096?lang=fr
14:32:31 bauzas :)
14:32:44 bauzas (I like this tweet :p )
14:33:38 bauzas https://www.karlton.org/2017/12/naming-things-hard/ for the wider context
17:11:44 opendevreview Amit Uniyal proposed openstack/nova master: Adds validation for hw machine type in host caps https://review.opendev.org/c/openstack/nova/+/847126
19:45:42 opendevreview Amit Uniyal proposed openstack/nova master: Adds validation for hw machine type in host caps https://review.opendev.org/c/openstack/nova/+/847126
20:38:09 ade_lee sean-k-mooney, sean-k-mooney[m] slaweq stephenfin hey - any idea what might be causing failures here? https://8767bac9cdd8c58da256-ee4c5d809145a8a3246cc4d26d65fbe0.ssl.cf5.rackcdn.com/831844/10/experimental/tempest-centos9-stream-fips/45be779/testr_results.html
20:41:16 ade_lee oh -- maybe thats this -- https://bugs.launchpad.net/neutron/+bug/1979047
#openstack-nova - 2022-06-23
05:28:12 frickler ade_lee: yes, that's the same failure pattern that caused us to make c9s non-voting in devstack
08:27:14 bauzas gibi: others, fwiw, I'll be on PTO tomorrow
08:27:24 gibi bauzas: o/ ack
09:15:51 opendevreview Amit Uniyal proposed openstack/nova master: Adds validation for hw machine type in host caps https://review.opendev.org/c/openstack/nova/+/847126
10:06:59 sean-k-mooney ade_lee: assuming this is related to fips and centos 9 stream ya interface attach is broken due to an upstream libvirt bug which has a fix internally but is not relased yet
11:06:03 opendevreview Merged openstack/nova master: Change TooOldComputeService upgrade check code to failure https://review.opendev.org/c/openstack/nova/+/845262
14:08:12 opendevreview Amit Uniyal proposed openstack/nova master: Adds validation for hw machine type in host caps https://review.opendev.org/c/openstack/nova/+/847126
14:31:20 amorin hello nova!
14:34:55 amorin I was looking for an idea on how to schedule instances on computes based on some metrics that are not cpu related
14:35:04 amorin like, the kernel version, the operating system version
14:40:35 amorin i was thinking that I could tweak the compute monitors (that collect metrics)
14:40:40 amorin but I dont know if this is the best idea?
14:45:05 mnaser amorin: maybe you could use traits out of bands?
14:45:21 mnaser like have something that ships the traits of those boxes to placement
14:45:23 amorin out of bands?
14:45:32 amorin like a custom traits
14:45:44 mnaser yeah i meant out of band as in you wont be in the nova code path to determine this
14:45:46 amorin yes, I did try that, but it seems not available in the nova weighter
14:45:59 mnaser ah so you need this info in the weigher and not in the filter stage
14:46:20 amorin yes, because I dont want to filter out the hosts
14:46:28 amorin I just want them to be lower in the priority
14:47:30 mnaser ah okay so my suggestion wont help then
14:47:42 amorin unfortunately :( but thanks!
14:47:44 gibi placement can only be used today to do filtering decision, there is no weighing support there
14:47:54 gibi so you need a now weigher code for that
14:48:01 gibi so you need nova weigher code for that
14:48:02 amorin yup, and doing placement call from weigher seems a bad idea
14:50:46 gibi I dont think we have code for that in nova yet, you can try to abuse the MetricsWeigher
14:50:53 gibi but it feels hackish
14:51:50 amorin thats exactly what I am going to do, but I just wanted to know if something else, less hacky would exist
14:52:41 gibi I'm not aware of any less hackish way now
14:55:13 amorin ok, thanks gibi !
15:00:36 bauzas amorin: I was trying to reply to you about your question :)
15:01:02 bauzas yeah, you should use weights
15:01:10 bauzas placement doesn't support them
15:10:21 amorin bauzas yeah! thanks
15:10:32 amorin you can still answer, maybe that would be nice for other people :)
15:10:44 bauzas amorin: sorry, I didn't have time to reply
15:10:59 bauzas amorin: I'll try, but I'm off tomorrow :(
15:11:08 amorin no worries :)
17:49:39 sean-k-mooney bauzas: i will be off tomorrow to recover but if you can take a look at https://review.opendev.org/c/openstack/nova/+/847001 i think i adress all your issues
#openstack-nova - 2022-06-24
02:29:30 opendevreview Merged openstack/python-novaclient master: Imported Translations from Zanata https://review.opendev.org/c/openstack/python-novaclient/+/846880
08:38:31 opendevreview Takashi Natsume proposed openstack/python-novaclient master: Replace old URLs with new ones https://review.opendev.org/c/openstack/python-novaclient/+/840693
09:50:53 opendevreview Stephen Finucane proposed openstack/os-resource-classes master: Update Python testing as oer zed cycle testing runtime https://review.opendev.org/c/openstack/os-resource-classes/+/847562
09:51:11 stephenfin gibi: Easy review there ^
09:57:24 stephenfin never mind, we had similar patches already that I hadn't spotted
10:00:26 opendevreview Merged openstack/os-resource-classes master: Update CI to use unversioned jobs template https://review.opendev.org/c/openstack/os-resource-classes/+/834537
10:02:05 opendevreview Merged openstack/os-resource-classes master: setup: Update Python testing classifiers https://review.opendev.org/c/openstack/os-resource-classes/+/834643
10:02:30 opendevreview Merged openstack/os-resource-classes master: setup: Replace dashes with underscores, add links https://review.opendev.org/c/openstack/os-resource-classes/+/834644
10:42:54 gibi stephenfin: :)
11:11:22 opendevreview Merged openstack/placement master: Change minversion of tox to 3.18.0 https://review.opendev.org/c/openstack/placement/+/791971
11:35:13 opendevreview Merged openstack/python-novaclient master: Replace old URLs with new ones https://review.opendev.org/c/openstack/python-novaclient/+/840693
11:51:01 opendevreview Amit Uniyal proposed openstack/nova master: Adds validation for hw machine type in host caps https://review.opendev.org/c/openstack/nova/+/847126
13:47:42 opendevreview Takashi Natsume proposed openstack/os-resource-classes master: Change minversion of tox to 3.18.0 https://review.opendev.org/c/openstack/os-resource-classes/+/791974
14:03:54 opendevreview ribaudr proposed openstack/nova master: Allow unshelve to a specific host (Compute API part) https://review.opendev.org/c/openstack/nova/+/831507
14:03:55 opendevreview ribaudr proposed openstack/nova master: Allow unshelve to a specific host (REST API part) https://review.opendev.org/c/openstack/nova/+/845897
14:26:55 opendevreview Amit Uniyal proposed openstack/nova master: Adds validation for hw machine type in host caps https://review.opendev.org/c/openstack/nova/+/847126
14:44:59 opendevreview ribaudr proposed openstack/nova master: Allow unshelve to a specific host (REST API part) https://review.opendev.org/c/openstack/nova/+/845897
14:44:59 opendevreview ribaudr proposed openstack/nova master: Allow unshelve to a specific host (Compute API part) https://review.opendev.org/c/openstack/nova/+/831507
17:49:43 colby_ Hello everyone. we are experienceing a strange but with vGPU. We are using Virtoria on Centos 8 Stream with A40 gpus in SRIOV setup. Everything works correctly except when we delete an instance. It does not seem to release the virtualfunction mdev device. I can manually release them by echoing to the remove method of the mdev. So its like nova is not doing that.
17:50:49 colby_ Are there any bugs about this? Can someone point me to the code that handles this so I can see if I can tell why its failing. Thanks.
#openstack-nova - 2022-06-25
09:40:18 frickler https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1013410 looks like a unit test that fails under load. expected: timed out after 0.00 seconds, actual: timed out after 0.02 seconds
15:09:52 opendevreview Artom Lifshitz proposed openstack/nova master: Broken WIP: Update libvirt enlightenments for Windows https://review.opendev.org/c/openstack/nova/+/847641

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