Wednesday, 2020-12-02

openstackgerritMichael Johnson proposed openstack/octavia stable/train: Fix operational status for disabled UDP listeners  https://review.opendev.org/c/openstack/octavia/+/75287100:06
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openstackgerritMichael Johnson proposed openstack/octavia stable/ussuri: Followup Remove haproxy_check_script for UDP-only  https://review.opendev.org/c/openstack/octavia/+/75803400:10
openstackgerritMichael Johnson proposed openstack/octavia stable/train: Fix load balancers with failed amphora failover  https://review.opendev.org/c/openstack/octavia/+/76373300:14
openstackgerritKeigo Noha proposed openstack/nova stable/stein: Change default num_retries for glance to 3  https://review.opendev.org/c/openstack/nova/+/76496300:23
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openstackgerritAdit Sarfaty proposed openstack/nova stable/train: Retry on vmware create_vm when it fails  https://review.opendev.org/c/openstack/nova/+/76451508:45
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ttxslaweq: My gut feeling is that we should not backport an rpc version change09:47
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ttxa known issue sounds less disruptive09:48
slaweqttx: if if that is actually what was really done then but we forgot to bump it?09:48
ttxah, you mean, in effect, the RPC was changed, and then changed again, but the version was never changed?09:49
slaweqand also there wasn't any change of the rpc version in that area for many years so there will not be any conflict (at least no which I'm aware of)09:49
slaweqttx: yes, let me explain it with links to the correct patches09:49
slaweqin ussuri development cycle we merged https://review.opendev.org/c/openstack/neutron/+/71263209:50
ttxMy concern is the user impact -- can you see any case where a user had something working, then the infrastructure provider upgrades, and things stop working?09:50
slaweqwhich really changed format of the message send through rpc channel from neutron-server to agents09:50
slaweqbut rpc version wasn't changed then and we didn't provide compatybility code for that difference09:51
slaweqnow we know that there is this issue and we can either revert this patch from the stable/ussuri and stable/victoria09:51
slaweqbut it is already included in some released versions there09:52
slaweqor we can try to fix it with patch https://review.opendev.org/c/openstack/neutron/+/76410809:52
slaweqwhich really bumps rpc version in the way how it should be done from the beginning09:52
ttxok, that makes sense09:52
slaweqbut as it is technially speaking bump of rpc version, I'm not sure if we can/should backport it or not09:53
ttxIt's a bit of a corner case, but it feels like bumping the rpc version is the lesser of evils09:53
slaweqyes, that is how it looks for us really09:53
ttxfrom a user perspective, currently the partial upgrades can fail, and with the patch they will stop failing09:54
slaweqthat's why I'm asking also You :)09:54
slaweqttx: correct09:54
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ttxand since RPC was not bumped since, there is less border effects09:54
slaweqcurrently, if user will do upgrade train->ussuri or, if we will revert original patch, do some minor update of ussuri it will fail as there will be no compatybility between agent and server09:54
ttx(like you can actually bump ussuri since there were no later bumps in V or W09:54
slaweqttx: yes09:55
ttxOk, I'm leaning towards yes for the RPC version bump in stable ussuri/victoria, but would very much like others opinions :)09:55
slaweqand if we will backport the fix which bumps rpc, then we will have code which provides compatybility between older agent and newer server so all should works fine I hope09:55
slaweqttx: do You think it will be better if I will send email to ML to wider discussion?09:56
ttxI think it cannot hurt09:56
ttxsomeone may spot the flaw in our logic09:56
ttxand it will make the issue slightly more visible to users09:57
slaweqok, so I will write an email today09:57
hberaud+1 for the ML thread09:57
slaweqthx guys for help09:58
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openstackgerritTakashi Natsume proposed openstack/nova stable/ussuri: Fix a hacking test  https://review.opendev.org/c/openstack/nova/+/76508213:03
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openstackgerritEric Harney proposed openstack/cinder stable/ussuri: Fix volume rekey during clone  https://review.opendev.org/c/openstack/cinder/+/76514714:25
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openstackgerritLuigi Toscano proposed openstack/cinder stable/victoria: Fixed an issue with creating a backup from snapshot with NFS volume driver.  https://review.opendev.org/c/openstack/cinder/+/76515014:57
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openstackgerritBrian Haley proposed openstack/octavia stable/ussuri: Handle listener not found during loadbalancer status update  https://review.opendev.org/c/openstack/octavia/+/76508716:54
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openstackgerritDatLQ proposed openstack/nova stable/victoria: Fix unplugging VIF when migrate/resize VM  https://review.opendev.org/c/openstack/nova/+/76450423:09

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