June 2024 - openstack-discuss - lists.openstack.org

Fwd: DPDK+OVS with OpenStack
by Mark Wittling 23 Apr '25

23 Apr '25

Looking for someone who knows OpenStack with OpenVSwitch, and in addition to that, DPDK with OpenStack and OVS.I am using OpenStack Queens, with OpenVSwitch. The architecture I am using is documented here: https://docs.openstack.org/neutron/queens/admin/deploy-ovs-provider.htmlThe OVS I am using on the Compute Node, is compiled with DPDK, and I have enabled the datapath to netdev (DPDK) on br-prv (provider network bridge), and br-tun (tunneling bridge). But these two bridges, br-tun and br-prv, are patched into another OpenStack bridge, called br-int. I wasn’t actually sure about whether to tinker with this bridge, and wondered what datapath it was using.Then, I realized there is a parameter in the openvswitch_agent.ini file, which I will list here: # OVS datapath to use. 'system' is the default value and corresponds to the # kernel datapath. To enable the userspace datapath set this value to 'netdev'. # (string value) # Possible values: # system - <No description provided> # netdev - <No description provided> #datapath_type = system datapath_type = netdev So in tinkering with this, what I realized, is that when you set this datapath_type to system or netdev, it will adjust the br-int bridge to that datapath type.So here is my question. How can I launch a non-DPDK VM, if all of the bridges are using the netdev datapath type?Here is another question. What if one of the flavors don’t have the largepages property set on them? I assumed OpenStack would revert to a system datapath and not use DPDK for those VM interfaces. Well, I found out in testing, that is not the case. If you set all your bridges up for netdev, and you don’t set the property on the Flavor of the VM (largepages), the VM will launch, but it simply won’t work.Is there no way, on a specific Compute Host, to support both DPDK (netdev datapaths) and non-DPDK (system datapaths)?Either on a VM interface level (VM has one interface that is netdev DPDK and another that is system datapath non-DPDK)?Or on a VM by VM basis (VM 1 has 1 or more netdev datapath interfaces and VM 2 has 1 or more system datapath interfaces)?Am I right here? Once you set up a Compute Host for DPDK, it’s DPDK or nothing on that Compute Host? (edited)

3 2

How to config DPDK compute in OVN
by dangerzone ar 22 Apr '25

22 Apr '25

Hi....as far I understand ovs does support dpdk compute to be deployed. I'm referring to the guideline ' *https://docs.openstack.org/networking-ovn/queens/admin/dpdk.html <https://docs.openstack.org/networking-ovn/queens/admin/dpdk.html>* ' ... It's too brief.. May I know how to config dpdk compute in OVN networking openstack? Hope someone could help what is the config to be done.... Currently compute is run without dpdk over openstack train ovn based. Please need some info on how I can proceed. Thank you

2 1

[oslo] python-consul2 is unmaintained
by Takashi Kajinami 21 Apr '25

21 Apr '25

Hello, I recently noticed that python-consul2 library[1], which is used by the consul coordination driver in tooz, hasn't been updated for 3+ years. Looking at issues in the project, there is an indication that the library is not compatible with ACL API in consul >= 1.11[2]. There is another fork created[3] and this includes fixes to support new API endpoints. Although the driver in tooz does not directly use the feature, I think it's better to discuss our plan to mitigate risks caused by the unmaintained library. As far as I can think of, there are three options now 1. Deprecate consul driver and remove it 2. Keep using python-consul2 now. At least basic functionality is proven to work by our functional tests (Note that the tests do not cover all configuration patterns) 3. Replace python-consul2 by py-consul Before we start the overall discussions I'd like to ask a few questions to the wider audience, as our inputs. - Is anyone using the consul coordination driver now ? - Does anyone have experience with python-consul2 and/or py-consul ? Note that this discussion affects the http messaging driver[4] currently proposed, because it also requires client library to communicate with Consul. Actually I noticed the situation when I noticed that the requirement check job is failing because the library is not part of global requirements list... Thank you, Takashi Kajinami [1] https://github.com/poppyred/python-consul2 [2] https://github.com/poppyred/python-consul2/issues/42 [3] https://github.com/criteo-forks/py-consul [4] https://review.opendev.org/c/openstack/oslo.messaging/+/912499 -- Takashi Kajinami irc: tkajinam github: https://github.com/kajinamit launchpad: https://launchpad.net/~kajinamit

2 3

[octavia] Purging ERROR'ed amphora and load balancers stuck in transitional states
by Paul Browne 11 Apr '25

11 Apr '25

Hello Octavia users, For a while I've been trying to find a systematic way to remove Octavia LBs+Amphora that have become stuck in ERROR or transitional PENDING_* states ; $ openstack loadbalancer amphora list -f value | grep ERROR a2323f14-3aaa-418a-8249-111aaa9c21fe 1fa7bd54-f60c-420c-94f3-d4c02f03d4fe ERROR MASTER 10.8.0.242 192.168.3.247 e5b236ba-e7ee-4ed7-9f58-57ce7a408489 1fa7bd54-f60c-420c-94f3-d4c02f03d4fe ERROR BACKUP 10.8.0.190 192.168.3.247 6b556f28-93c9-49dd-b6ee-4379288e7957 d5e402fe-2c4b-49af-a700-532cb408cee5 ERROR MASTER 10.8.0.39 192.168.3.126 c669db5d-8686-4d5c-9e95-e02030b34301 d5e402fe-2c4b-49af-a700-532cb408cee5 ERROR BACKUP 10.8.0.174 192.168.3.126 $ openstack loadbalancer list -f value | grep -vi active 1fa7bd54-f60c-420c-94f3-d4c02f03d4fe k8s-clusterapi-cluster-default-ci-6386871107-kube-upgrade-kubeapi 3a06571936a0424bb40bc5c672c4ccb1 192.168.3.247 PENDING_UPDATE amphora d5e402fe-2c4b-49af-a700-532cb408cee5 k8s-clusterapi-cluster-default-ci-6386871107-latest-kubeapi 3a06571936a0424bb40bc5c672c4ccb1 192.168.3.126 PENDING_DELETE amphora These resources are marked immutable and so cannot be failed over or deleted; $ openstack loadbalancer amphora failover a2323f14-3aaa-418a-8249-111aaa9c21fe Load Balancer 1fa7bd54-f60c-420c-94f3-d4c02f03d4fe is immutable and cannot be updated. (HTTP 409) (Request-ID: req-6e66c4e8-c3d3-4549-a03c-367017c8c8b3) $ openstack loadbalancer failover 1fa7bd54-f60c-420c-94f3-d4c02f03d4fe Invalid state PENDING_UPDATE of loadbalancer resource 1fa7bd54-f60c-420c-94f3-d4c02f03d4fe (HTTP 409) (Request-ID: req-84b44212-e7a8-4101-a16f-18c774c0577e) The backing Nova instances for these Amphora do seem to exist and be in good working order. Is there any API way to purge these out of Octavia's service state, or would (very careful) DB hackery be required here? Many thanks, Paul Browne ******************* Paul Browne Research Computing Platforms University Information Services Roger Needham Building JJ Thompson Avenue University of Cambridge Cambridge United Kingdom E-Mail: pfb29(a)cam.ac.uk<mailto:pfb29@cam.ac.uk> Tel: 0044-1223-746548 *******************

4 6

[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

6 17

[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

5 7

[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

2 2

[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

1 2

ERROR openstack [-] Resource OS::TripleO::Network::Ports::ControlPlaneVipPort maps to type OS::Neutron::Port and the Neutron service is not available when using ephemeral Heat.| Openstack tripleo wallaby version
by Swogat Pradhan 24 Dec '24

24 Dec '24

Hi, I am currently trying to deploy openstack wallaby using tripleo arch. I created the network jinja templates, ran the following commands also: #openstack overcloud network provision --stack overcloud --output networks-deployed-environment.yaml custom_network_data.yaml # openstack overcloud network vip provision --stack overcloud --output vip-deployed-environment.yaml custom_vip_data.yaml # openstack overcloud node provision --stack overcloud --overcloud-ssh-key /home/stack/sshkey/id_rsa overcloud-baremetal-deploy.yaml and used the environment files in the openstack overcloud deploy command: (undercloud) [stack@hkg2director ~]$ cat deploy.sh #!/bin/bash THT=/usr/share/openstack-tripleo-heat-templates/ CNF=/home/stack/ openstack overcloud deploy --templates $THT \ -r $CNF/templates/roles_data.yaml \ -n $CNF/workplace/custom_network_data.yaml \ -e ~/containers-prepare-parameter.yaml \ -e $CNF/templates/node-info.yaml \ -e $CNF/templates/scheduler-hints.yaml \ -e $CNF/workplace/networks-deployed-environment.yaml \ -e $CNF/workplace/vip-deployed-environment.yaml \ -e $CNF/workplace/overcloud-baremetal-deployed.yaml \ -e $CNF/workplace/custom-net-bond-with-vlans.yaml Now when i run the ./deploy.sh script i encounter an error stating: ERROR openstack [-] Resource OS::TripleO::Network::Ports::ControlPlaneVipPort maps to type OS::Neutron::Port and the Neutron service is not available when using ephemeral Heat. The generated environments from 'openstack overcloud baremetal provision' and 'openstack overcloud network provision' must be included with the deployment command.: tripleoclient.exceptions.InvalidConfiguration: Resource OS::TripleO::Network::Ports::ControlPlaneVipPort maps to type OS::Neutron::Port and the Neutron service is not available when using ephemeral Heat. The generated environments from 'openstack overcloud baremetal provision' and 'openstack overcloud network provision' must be included with the deployment command. 2022-04-19 13:47:16.582 735924 INFO osc_lib.shell [-] END return value: 1 Can someone tell me where the mistake is? With regards, Swogat Pradhan

4 4

[kolla] [openeuler] CI jobs status
by Michał Nasiadka 26 Nov '24

26 Nov '24

Hello Koalas, OpenEuler jobs in master (to be Antelope) are failing for a long time. If no one is interested in maintaining OpenEuler support in Kolla-Ansible - I will propose dropping it’s support on Wednesday Kolla meeting. Best regards, Michal

4 3