December 2024 - openstack-discuss

[kolla] [nova] API flags ignored in Wallaby
by Albert Braden 12 Mar '25

12 Mar '25

After rebuilding our Train clusters on Wallaby we are seeing some API issues. It appears that flags that work in Train are still documented in Wallaby, but are ignored. Do we have something setup wrong, or are we encountering bugs? The first thing is the “locked” list: Train: openstack server list --all-projects --locked --os-compute-api-version 2.73 <empty list because nothing is locked> openstack server list --all-projects --unlocked --os-compute-api-version 2.73 <list of every VM in the cluster> Wallaby (locked flag is ignored): openstack server list --all-projects --locked --os-compute-api-version 2.73 <list of every VM in the cluster> openstack server list --all-projects --unlocked --os-compute-api-version 2.73 <list of every VM in the cluster> The second problem is the hypervisor list. We can’t get “long” output in Wallaby: Train: openstack hypervisor list --long | ID | Hypervisor Hostname | Hypervisor Type | Host IP | State | vCPUs Used | vCPUs | Memory MB Used | Memory MB | Wallaby (long flag is ignored): openstack hypervisor list --long | ID | Hypervisor Hostname | Hypervisor Type | Host IP | State |

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[nova]Intel RDT CAT Support Missing from OpenStack
by Junya Noguchi (Fujitsu) 25 Feb '25

25 Feb '25

To whom it may concern I have a question regarding the lack of Intel RDT CAT implementation in OpenStack We are planning to commit Resource Monitoring functionality to Openstack for ARM, and are exploring the implementation of Intel RDT on Openstack. We found the following blueprint for the Intel RDT CAT implementation in nova. https://blueprints.launchpad.net/nova/+spec/cat-support However, the Intel RDT CAT feature is not currently implemented in OpenStack. Has the implementation of Intel RDT CAT functionality in Openstack been rejected? Or is it just a development delay? Best regards, Junya Noguchi.

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[tc][all][monasca ] Retiring the Monasca project
by Ghanshyam Mann 16 Feb '25

16 Feb '25

Hello everyone, As you might know, the Monasca project is not active and was marked 'inactive' since 2024.1 cycle[1]. In this cycle also, this project is leaderless[2] and no maintainer stepped up to maintain it. As discussed in the Leaderless project etherpad[2], the next step is to retire the project. I'm sending this email to propose the Monasca retirement and based on the response, I will proceed next. [1] https://governance.openstack.org/tc/reference/emerging-technology-and-inact… [2] https://etherpad.opendev.org/p/2024.2-leaderless#L72 -gmann

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[nova] How to gain approval for a new feature on unavailable hardware
by taketani.ryo＠fujitsu.com 14 Feb '25

14 Feb '25

To Whom It May Concern, We are considering to propose and develop a new feature on OpenStack Nova for building Arm Confidential Computing Architecture (Arm CCA)-encrypted instances. I have some questions for doing it. * While specification of Arm CCA is already open(https://developer.arm.com/documentation/den0125/0300/Overview), No Arm CCA-enabled hardware is currently available to our knowledge. Therefore, we plan to conduct testing in an internal environment. * Would a proposal for a feature utilizing publicly unavailable hardware be acceptable to OpenStack? Alternatively, in this case, what steps or preparations are required for approval? * Should the blueprint and specification be submitted simultaneously? * The specification is currently incomplete. Building Arm CCA instances requires libvirt APIs, similar to AMD SEV instances(https://blueprints.launchpad.net/nova/+spec/amd-sev-libvirt-suppo…, but specification of these are not yet determined publicly. We are considering submitting the blueprint first to inform the community of our ongoing development efforts. Regards

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[ironic]About the OS supported by Diskimage-builder
by Junya Noguchi (Fujitsu) 03 Feb '25

03 Feb '25

To whom it may concern. My name is Junya Noguchi. I have some questions about the supported OS for Diskimage-builder operation. Please respond. References https://docs.openstack.org/ironic-python-agent-builder/latest/admin/dib.html Does it mean that the OS that says "work but receive only limited testing and support" works but is not supported? References https://docs.openstack.org/diskimage-builder/latest/ This document describes RHEL and other operating systems that are not supported in the previous question. Are these operating systems supported? Also, are there any plans to support more operating systems in the future? Best regards, Junya Noguchi

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[Nova] Nova-compute service flapping on Antelope
by Jakub Darmach 28 Jan '25

28 Jan '25

Hello, Recently I encountered an interesting issue - nova-compute service started to temporarily lose Rabbit connectivity to regain it after a few seconds on Antelope. The issue was replicated on the test environment, without specific steps to replicate though - it just starts to happen after some time. I pasted a log example in the bug I opened [1]. First we can see rabbit logging closing AMQP connection, followed by nova-compute reporting rabbit server being unreachable, with next message being successful reconnection. Restarting nova-compute services helps temporarily, the issue starts to manifest after a few days. Initially disconnects once every few hours, each time in shorter intervals, to the point it happens every minute or so. Did anyone encounter something similar? [1] https://bugs.launchpad.net/nova/+bug/2092297 Pozdrawiam / Best regards, *Jakub Darmach*

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[glance][ops] proposal to remove the glance-scrubber
by Brian Rosmaita 20 Jan '25

20 Jan '25

Hello Glance users, The Glance project team wants to determine whether anyone is using the glance-scrubber utility [0]. If not, we are thinking of deprecating it this cycle to be removed in the appropriate future cycle. If you have not previously heard of the glance-scrubber, that's most likely because it's only useful for particular deployment configurations of which yours is not one. See the doc [0] for details if you are curious. Our suspicion is that the glance-scrubber may have outlived its usefulness for modern OpenStack configurations. (The last time I remember it being discussed at a PTG was during the snowstorm in Dublin, which I believe was the Rocky development cycle). On the other hand, the team also has some ideas for improving the scrubber, but there's no point doing that if it's not actually being used in the first place. So if removal of the glance-scrubber would negatively affect you, please respond to this email so we can get some data points. Thanks! [0] https://docs.openstack.org/glance/latest/cli/glancescrubber.html

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[i18n][infra][horizon] Zanata translation job failures after Python 3.8 deprecation
by Ian Y. Choi 19 Jan '25

19 Jan '25

Hi all, During last week's PTG, the I18n SIG identified Zanata translation job failures for Horizon (and likely related plugins). The root cause appears to be Python 3.8 deprecation on Horizon [1]. Failed jobs have been observed on Zuul [2], and translation proposals were made on Gerrit [3]. Since translation sync on Horizon stable branches is functioning correctly, the error message seems to be related to Python 3.8 deprecation: ERROR: Cannot install -r doc/requirements.txt (line 3) due to conflicting package version dependencies. To address this, I'd like to raise two points: 1/ To resolve the issue, would you support updating translation sync jobs with Bionic-based Zuul jobs by either upgrading to Jammy or modifying the Bionic image to support Python >3.8? 2/ At least me from I18n SIG acknowledges that recognizing these translation job errors was delayed. Moving forward, would it be beneficial to implement periodic (e.g., monthly) reporting on translation job successes and failures? Thank you, /Ian [1] https://docs.openstack.org/releasenotes/horizon/2024.2.html#upgrade-notes [2] https://zuul.opendev.org/t/openstack/builds?job_name=propose-translation-up… [3] https://review.opendev.org/q/owner:proposal-bot+project:openstack/horizon+b…

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[openstack][octavia] How clients can debug their LB
by Nguyễn Hữu Khôi 15 Jan '25

15 Jan '25

Hello. I would like to know how clients can debug their LB such as access log or monitor LB performance? Thank you. Regards Nguyen Huu Khoi

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[cinder][kubernetes] pvc stuck in reserved state
by Eugen Block 10 Jan '25

10 Jan '25

Hi, we have a couple of k8s clusters in our openstack environment (Victoria) and are facing some problems when pods get moved to different worker nodes. The PVCs get stuck in "reserved" state, and they only get attached after resetting the volumes to "available" state. First I thought it was due to the missing multiattach volume type which seems to work fine in our customer's cluster. I also found the "duplicate connector" error messages in the nova-compute.log: > Unable to update attachment.(Invalid volume: duplicate connectors > detected on volume But after adding the multiattach volume type and retyping the affected volumes, the PVCs still get stuck in "reserved" state while I don't see any error messages on the hypervisors anymore. So it seems that something has changed/improved, but now I don't have a trace where to look next. Could this be a cinder-csi driver issue or something? Our cinder backend is ceph (Pacific). Not sure which information could help so please ask for anything I can provide. Any pointers are highly appreciated! Thanks! Eugen

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