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#openstack-nova - 2026-04-22
19:29:45 sean-k-mooney you will also need to set it for the subvar
19:29:58 melwitt ack
19:30:18 sean-k-mooney we can proably fix this in the devstack defintion to be based on if you have selecte ipv4 or ipv6 for the serivce ip later
19:31:22 sean-k-mooney in the job defintion we are seting SERVICE_IP_VERSION: 6 so we have something to switch off
19:31:41 sean-k-mooney withthat said if i look at the job vriable for the compute
19:31:43 sean-k-mooney https://storage.gra.cloud.ovh.net/v1/AUTH_dcaab5e32b234d56b626f72581e3644c/zuul_opendev_logs_dcc/openstack/dcc395a124c04f4fbc3368ddf97400d3/zuul-info/inventory.yaml
19:32:01 sean-k-mooney i see a lot of other ip v4 stuff there but we can revisti that if needed
19:32:43 opendevreview melanie witt proposed openstack/nova master: DNM test ceph ipv6 https://review.opendev.org/c/openstack/nova/+/984623
19:33:22 sean-k-mooney melwitt: as an asside we started looking at this because we wanted to test a patch that was related to it
19:33:32 sean-k-mooney melwitt: do you recall if we you knwo merged that bug fix?
19:33:43 sean-k-mooney the libvirt migration one
19:34:06 melwitt right. no we did not merge it yet and I have been trying to make this work in order to verify it
19:34:13 sean-k-mooney ack
19:34:16 melwitt I'm not opposed to merging it without verification but it would be really great to be able to
19:34:43 sean-k-mooney oh ya i agree it would be good to have it
19:34:59 sean-k-mooney i just lost context on where we were at with the patch
19:35:06 melwitt after seeing that XML ipv6 brackets thing, I am feeling like I really want to see this work haha
19:35:16 sean-k-mooney yep
19:35:23 sean-k-mooney ok im going to wrap for today
19:36:09 melwitt it looks fine to me. just wanted to see if I could do this. if not, I'll just review it without
19:36:16 sean-k-mooney ill try and remember to check the resutls of tha trun but feel free to ping me to take another look
19:36:41 melwitt cool thanks for the help
19:37:19 sean-k-mooney melwitt: by the way i said this before but there is currently no ipv6 + ceph covage anywhere. i dont even think there is singel node
19:37:41 sean-k-mooney so defintly nice ot fix that at some point
19:37:57 melwitt ++
19:39:16 isaacvicente[m] hi guys o/ i would like to start solving this bug: https://bugs.launchpad.net/nova/+bug/2035911
19:39:16 isaacvicente[m] given the last time it was assigned to someone, its ok to assign to myself? i replied on the bug but got no reponse
19:40:38 melwitt isaacvicente[m]: yeah I would go ahead and assign it to yourself
19:48:10 isaacvicente[m] nice, i started looking into it, and i wonder where I would do the changes. Trying to understand better the bug and the code base itself I asked chatgpt-codex-5.3 where the changes would be. It said that drivers under nova/virt/libvirt/volumes has two functions: connect_volume and disconnect_volume. I would then add the os-brick context manager guard_connections on those functions. I'm not sure if this is the right
19:48:10 isaacvicente[m] direction. Does it make sense?
19:49:05 isaacvicente[m] * nice, i started looking into it, and i wonder where I would do the changes. Trying to understand better the bug and the code base itself I asked chatgpt-codex-5.3 where the changes would be. It said that drivers under nova/virt/libvirt/volumes has two functions: connect_volume and disconnect_volume. I would then add the os-brick context manager guard_connection on those functions. I'm not sure if this is the right
19:49:05 isaacvicente[m] direction. Does it make sense?
#openstack-nova - 2026-04-23
00:58:55 opendevreview melanie witt proposed openstack/nova master: DNM test ceph ipv6 https://review.opendev.org/c/openstack/nova/+/984623
02:09:31 opendevreview Takashi Kajinami proposed openstack/nova-specs master: libvirt: AMD SEV-SNP support https://review.opendev.org/c/openstack/nova-specs/+/983376
09:01:53 dougszu sean-k-mooney - morning, the bug about ephemeral volume corruption during VM migration (https://bugs.launchpad.net/nova/+bug/2095173) has that been fixed in Nova by dropping the creation of a filesystem in the base image?
12:12:56 lajoskatona Uggla: Hi, today I have a topic for os-external-events vs Neutron notifier vs SDK (https://etherpad.opendev.org/p/nova-2026.2-ptg#L771), shall I ask to have it discussed before 1530UTC (1730 CEST) as I have to drop around that time ?
12:16:27 Uggla Hi lajoskatona, it should happen around 1400 / 1430UTC. So yes.
12:19:05 lajoskatona Uggla: thanks
12:53:05 jkulik How come n-api and n-scheduler require a cell DB? Is it just to be able to register as a compute service?
12:59:51 sean-k-mooney jkulik: its used for 2 thing
13:00:09 sean-k-mooney so cell 0 is where all the service entries for the global serviece live i..e the schdluer/api ecta
13:00:36 jkulik ah. cell0! thanks, I thought I'd have to use a productive cell
13:00:37 sean-k-mooney its also used to sotre instance that cannot be schduled ot "real" "comptue" cells
13:00:51 sean-k-mooney jkulik: ya no you put those in cell 0
13:01:02 jkulik thank you. helped a lot
13:01:26 sean-k-mooney right os the api need a plce to stre the full instnace object for an instance that failed to go to a real cell so we just use that for the service records as well
13:01:53 jkulik yeah. makes sense. thanks again
13:02:46 sean-k-mooney i dont think it woudl breake anything to have the scuder use the cell1 db isntead but it buys you nothing either because you still need cell0 and the schduelr does not work per cell so we recommend cell0 because it alwasy extis and it shoudl be under less load
13:02:55 sean-k-mooney jkulik: no worries
13:47:29 opendevreview Lajos Katona proposed openstack/nova master: Use SDK for Neutron security-groups https://review.opendev.org/c/openstack/nova/+/981141
13:55:58 opendevreview Takashi Kajinami proposed openstack/nova-specs master: libvirt: AMD SEV-SNP support https://review.opendev.org/c/openstack/nova-specs/+/983376
14:35:40 opendevreview Anton Iacobaeus proposed openstack/nova-specs master: Intel TDX support in libvirt driver https://review.opendev.org/c/openstack/nova-specs/+/979608
14:58:04 bauzas Uggla: planning any break after the current discussion ? I'm afraid to say I'm a little fried and I need coffee
14:58:56 Uggla Yes I'd like to have a short 5mn break if TheJulia and dansmith are ok.
15:01:45 TheJulia fine with me
15:06:45 Uggla TheJulia thx
15:07:07 tkajinam just in case someone can answer this question ... In case we remove a trait from a compute host RP, it does not care any existing instance requires that trait, right ?
15:09:33 TheJulia That is an interesting question and relates to the next topic :)
15:10:07 dansmith tkajinam: no, nothing will break
15:10:37 dansmith meaning, there's no checking like that, nor any implication that traits now mean traits in the future or past
15:10:46 TheJulia That is what I was thinking based upon what was in my recall of nova code, because its far past the use of scheduling
15:10:52 tkajinam ok
15:11:00 tkajinam and that's what I thought
16:23:49 opendevreview Stephen Finucane proposed openstack/os-vif master: pre-commit: Bump versions https://review.opendev.org/c/openstack/os-vif/+/976358
16:23:50 opendevreview Stephen Finucane proposed openstack/os-vif master: Migrate setup configuration to pyproject.toml https://review.opendev.org/c/openstack/os-vif/+/976359
16:23:51 opendevreview Stephen Finucane proposed openstack/os-vif master: tests: Remove errant parameters https://review.opendev.org/c/openstack/os-vif/+/976360
16:23:52 opendevreview Stephen Finucane proposed openstack/os-vif master: trivial: Use bit shifting https://review.opendev.org/c/openstack/os-vif/+/976361
16:23:54 opendevreview Stephen Finucane proposed openstack/os-vif master: typing: Add initial type annotations https://review.opendev.org/c/openstack/os-vif/+/745162
16:23:56 opendevreview Stephen Finucane proposed openstack/os-vif master: typing: Add typing to vif_plug_noop module https://review.opendev.org/c/openstack/os-vif/+/976362
16:23:58 opendevreview Stephen Finucane proposed openstack/os-vif master: WIP: typing: Add typing to vif_plug_ovs module https://review.opendev.org/c/openstack/os-vif/+/976363
18:21:15 opendevreview Dan Smith proposed openstack/python-novaclient master: Remove deprecation warning workaround https://review.opendev.org/c/openstack/python-novaclient/+/985993
19:25:39 sean-k-mooney melwitt: so picking up our conversation form yestereday https://zuul.opendev.org/t/openstack/build/a5324089fe45434ca8ed15a8de9e12a3 the failure in that job is weried.
19:26:26 melwitt yeah I have seen that before and I never understand how the thing doesn't have the 'openstack' command
19:26:49 sean-k-mooney if i look at the local.conf the SERVICE_HOST didnt make it to the local.conf https://zuul.opendev.org/t/openstack/build/a5324089fe45434ca8ed15a8de9e12a3/log/controller/logs/local_conf.txt
19:27:09 melwitt the last revision of the ipv6 devstack stuff I think messed up the expected format for an apache config for the listen address so I'm trying to figure that out
19:27:37 melwitt hm
19:27:46 sean-k-mooney that form world dbump if we fail really early i.e. beofre devstack has run and installed it
19:28:19 sean-k-mooney ack so looking at the logs we dont have a stack log
19:28:31 sean-k-mooney so we failed super early in the job
19:28:45 melwitt oh maybe it's expected it wouldn't be in local.conf bc it's under devstack_localrc not devstack_local_conf
19:29:17 melwitt it's been comical how difficult getting the f'ing ipv6 url format right for the different parts has been
19:29:32 sean-k-mooney its also not in https://zuul.opendev.org/t/openstack/build/a5324089fe45434ca8ed15a8de9e12a3/log/controller/logs/_.localrc_auto.txt
19:29:40 melwitt some need the brackets or it blows up, some have to not have the brackets or it blows up. I'm really not liking whoever invented brackets
19:30:46 sean-k-mooney lol you might be cursed.
19:30:51 sean-k-mooney https://zuul.opendev.org/t/openstack/build/a5324089fe45434ca8ed15a8de9e12a3/log/zuul-info/zuul-info.controller.txt
19:31:09 melwitt probably
19:31:10 sean-k-mooney i dont know if that will break it but that host does nto have a publicly reoutable ipv6 adresss
19:31:23 sean-k-mooney i guess link local ipv6 could work
19:31:38 sean-k-mooney but i dont know if that will show up in teh default ipv6 varibale
19:32:13 sean-k-mooney SERVICE_HOST: '[{{hostvars[''controller''][''ansible_default_ipv6''][''address'']}}]'
19:32:22 melwitt yeah ... I wonder is this a futile endeavor? how can we make sure our zuul nodes have routable ipv6 addresses?
19:32:43 sean-k-mooney although HOST_IP: '{{ hostvars[inventory_hostname][''nodepool''][''private_ipv4'']
19:32:45 sean-k-mooney }}'
19:32:55 sean-k-mooney is the host ip var so the double '' i guess is expected
19:33:17 melwitt ansible_default_ipv6: {}
19:33:32 melwitt in https://zuul.opendev.org/t/openstack/build/a5324089fe45434ca8ed15a8de9e12a3/log/zuul-info/host-info.controller.yaml
19:34:38 sean-k-mooney https://zuul.opendev.org/t/openstack/build/a5324089fe45434ca8ed15a8de9e12a3/log/zuul-info/host-info.controller.yaml#214
19:34:50 melwitt I was just looking at that
19:34:54 sean-k-mooney so we could get the first ipv6 adress if we knw the interface name
19:35:01 melwitt and that shows up in ansible_all_ipv6_addresses

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