- openstack-discuss - lists.openstack.org

weighing compute nodes by real memory available when filtering
by Jiatong Shen 13 Mar '25

13 Mar '25

Hello Experts, I would like to ask if there is an available implementation to achieve filtering or weighing compute nodes by the real memory usage. From my observation, nova filters the compute-nodes by computing the summation of all instances' flavor ram and reserved ram. But since reserved ram is only an empirical value, sometimes compute nodes could potentially use more ram. Making things even worse is the ram allocation ratio could be more than 1. So I would like to know if there is an available implementation such that when the real memory available (from procfs) is low, the compute-node could be given a smaller weight or simply filtered out. Thank you. -- Best Regards, Jiatong Shen

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Building a test cluster with openstack ansible
by Sarah Thompson 13 Mar '25

13 Mar '25

Hi all, I've been experimenting with openstack through a devstack instance, but I need to start looking at a more realistic deployment architecture. I have a 5 node Proxmox cluster available, so I've created 6 VMs, one to serve as a deployment host for Ansible etc, one as a controller node, and four compute nodes. These are all currently set up with Ubuntu 22 LTS and configured with 128GB of disk, 20GB of RAM and 12 cores. I've verified that Ansible works, LXC works correctly, etc. I'm getting a failure when I'm running openstack-ansible openstack.osa.setup_infrastructure Specifically I get errors like: PLAY [Gather repo facts] ******************************************************************************************************* TASK [Gathering Facts] ********************************************************************************************************* [WARNING]: Unhandled error in Python interpreter discovery for host openstack-controller-repo-container-e44299d5: unexpected output from Python interpreter discovery fatal: [openstack-controller-repo-container-e44299d5]: FAILED! => ansible_facts: {} changed: false failed_modules: ansible.legacy.setup: ansible_facts: discovered_interpreter_python: /usr/bin/python3 failed: true module_stderr: |- lxc-attach: openstack-controller-repo-container-e44299d5: attach.c: get_attach_context: 405 Connection refused - Failed to get init pid lxc-attach: openstack-controller-repo-container-e44299d5: attach.c: lxc_attach: 1469 Connection refused - Failed to get attach context module_stdout: '' msg: |- MODULE FAILURE See stdout/stderr for the exact error rc: 1 warnings: - Platform unknown on host openstack-controller-repo-container-e44299d5 is using the discovered Python interpreter at /usr/bin/python3, but future installation of another Python interpreter could change the meaning of that path. See https://docs.ansible.com/ansible-core/2.17/reference_appendices/interpreter… for more information. msg: |- The following modules failed to execute: ansible.legacy.setup Inspecting the openstack-controller node manually with lxc-ls, there are no containers present. (I have manually created one and tested it successfully, so it's definitely not something weird with not being able to create/run containers). Thank you in advance for your insights. :-) Sarah PS: When I have this working, next step is to put this on bare metal in a colo, assuming I can get it working.

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[infra][tc][trove] Freeing the reddwarf project on PyPI
by Jeremy Stanley 12 Mar '25

12 Mar '25

I've received a request from a representative of The Computational Democracy Project (pol.is) who have a project named red-dwarf and would like to release software to PyPI under that name. For those of you who have been around long enough to remember, the Trove project was called Red Dwarf during incubation, but was renamed roughly 12 years ago owing to trademark concerns. The https://pypi.org/p/reddwarf project was reserved but no release files were uploaded to it. I don't expect our community has any reason to continue holding onto that name as I don't see that we would ever actually use it, but I'm posting this for the sake of transparency. Does anyone object to letting go of the reddwarf project on PyPI so that it can be reused by another open source community effort? -- Jeremy Stanley

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[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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[keystone] Keystone tries to get project by selecting user_id
by İzzettin Erdem 12 Mar '25

12 Mar '25

Hi, I faced to an odd issue; while migrating some servers, keystone threw an exception and migration aborted - Could not find project: 6008439893ca4d80ab933cf3b0b5fef0 When I checked, a project with this ID does not exist, but the key point is it's not a project ID, it's an ID of a user. I googled this problem but couldn't find more information except this [1] <https://bugs.launchpad.net/keystone/+bug/2062247>. PS: _ mysql logs were fine, didn't see weird queries _ keystone works fine _ openstack version kolla-ansible/train Do you have any ideas? Thanks, İzzettin

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[all] Important discussion about the OpenInfra Foundation's future
by Jeremy Stanley 12 Mar '25

12 Mar '25

The OpenInfra Foundation's board of directors is considering a significant organizational change, and your feedback is critical to assist them in their decision. Please read this announcement on the foundation mailing list: https://lists.openinfra.org/archives/list/foundation@lists.openinfra.org/th… You can follow up publicly on that list with any questions or input you have for the board and staff, or in one of the public feedback conference calls mentioned there, as well as privately to Jonathan Bryce or myself if you prefer to give feedback in confidence. Thanks as always for your interest in the future of our community! -- Jeremy Stanley -- Jeremy Stanley

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[ovn][neutron] ha_chassis make priority permanent
by Satish Patel 12 Mar '25

12 Mar '25

Folks, I am dealing with a very strange DHCP issue because of the priority of ha_chassis. I have the following ha_chassis group and I want os-chn-gen-comp-001 and os-chn-gen-comp-002 to always service DHCP for sriov interface. I have used following command to give them high priority $ ovn-nbctl --no-leader-only set ha_chassis 97077f76-46ae-4e15-9502-24fdb4ad0214 priority=32767 $ ovn-nbctl --no-leader-only set ha_chassis 97077f76-46ae-4e15-9502-24fdb4ad0214 priority=32767 But suddenly today something happened and all priority got reset causing small outage and cause all sriov VM started looking IP address. Solution was I have again set high priority again by hand to fix it.. How do I make priority permanently so it will never reset again. $ (ovn-nb-db)[root@os-chn-ctrl01 /]# ovn-nbctl --no-leader-only list HA_Chassis 784ec6e9-9af8-45c6-86e0-75ae7ccf9278 7fa04343-4471-4707-b5e9-23bd7f29ca6e 97077f76-46ae-4e15-9502-24fdb4ad0214 c75de7ab-b346-4aa5-886b-31b0fd12401e dd6ce2d4-9746-4429-862a-e78750bb4909 _uuid : 784ec6e9-9af8-45c6-86e0-75ae7ccf9278 chassis_name : os-chn-ctrl03 external_ids : {} priority : 32764 _uuid : 7fa04343-4471-4707-b5e9-23bd7f29ca6e chassis_name : os-chn-gen-comp-001 external_ids : {} priority : 32766 _uuid : 97077f76-46ae-4e15-9502-24fdb4ad0214 chassis_name : os-chn-gen-comp-002 external_ids : {} priority : 32767 _uuid : c75de7ab-b346-4aa5-886b-31b0fd12401e chassis_name : os-chn-ctrl01 external_ids : {} priority : 32765 _uuid : dd6ce2d4-9746-4429-862a-e78750bb4909 chassis_name : os-chn-ctrl02 external_ids : {} priority : 32763

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Confidential VM and TDX support in upstream Openstack
by Ildiko Vancsa 11 Mar '25

11 Mar '25

Hi, I'm reaching out about a topic that came up in the Kata Containers / Confidential Containers communities related to a feature in Kata that is called remote hypervisor and also referred to as peer pods. Kata provides an API that allows users to implement a function to run Kata Containers pods in a remote location, which can include a different host machine or cloud environment. The Cloud API Adaptor in the Confidential Containers project is an implementation of the Kata remote hypervisor interface: https://github.com/confidential-containers/cloud-api-adaptor It recently came up to add support for OpenStack to be a cloud option to run Kata remote VMs in. In order to implement that, OpenStack would need to support the creation of Confidential VMs (CVM) along with things like TDX. I looked around and found 3rd-party implementation to add TDX support to Nova, but the repo has been archived: https://github.com/intel/secured-cloud-management-stack/blob/main/scm3.0/no… Does anyone know if the CVM support along with supporting Intel TDX or related technologies have been added to OpenStack already? Or if there's anyone in the community planning for adding these in the future? Thanks and Best Regards, Ildikó

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[publiccloud-sig] Next meeting of Public Cloud SIG upcoming - March 12th at 0800 UTC
by Felix Kronlage-Dammers 11 Mar '25

11 Mar '25

Hi everyone, This upcoming Wednesday (March 12th) the next meeting of the publiccloud-sig is going to happen. We’ll be meeting at 0800 UTC here: https://meetpad.opendev.org/publiccloud-sig See also here for all other details: https://wiki.openstack.org/wiki/PublicCloudSIG We've had a few new faces in the SIG lately which is awesome. Onboarding is easy - just come by and join the discussion :) cheers felix -- Felix Kronlage-Dammers Open Source Business Alliance - Bundesverband für digitale Souveränität e.V. Tel.: +49-30-206539-205 | Matrix: @fkronlage:matrix.org | fkr(a)osb-alliance.com

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about using sriov-agent
by Jiatong Shen 11 Mar '25

11 Mar '25

Hello Experts, I am learning using SR-IOV to enable faster network access. I do not have a smartNIC so I am only talking about regular VF device passthrough. Right now, I configure Nova and use regular device passthrough flavor to create an instance. It works but since the PF device is a trunk network port, I have to configure sub interface manually in the guest. I find that I can only use neutron to configure SR-IOV VF devices (bandwidth, spoofcheck etc.). I am not trying it yet but I would like to ask if I use SR-IOV through neutron, does neutron's sriovagent will configure vlan id automatically such that I do not need to configure it inside the guest? if answer is yes, could you show me the related code? Thank you for your help. -- Best Regards, Jiatong Shen

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