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#openstack-nova - 2021-03-15
10:08:47 openstack bug 1917592 in OpenStack Compute (nova) "Missed 'accel_uuids' when we the 'shelved_offload_time' time out in shelving instance periodic task" [Medium,In progress] https://launchpad.net/bugs/1917592 - Assigned to Brin Zhang (zhangbailin)
10:09:03 bauzas brinzhang: good afternoon
10:09:13 bauzas (I have to leave in 5 mins for getting my children from school)
10:10:00 brinzhang bauzas: ack, dont worry
10:10:34 brinzhang about your concern, does it need to add an cyborg get multiple arqs apis?
10:15:13 bauzas brinzhang: well, the point is that we call the Cyborg API for each of the instance
10:15:49 bauzas but my -1 was more about the L9480
10:17:35 brinzhang bauzas: ack, not in a hurry, thanks
10:18:50 brinzhang gibi: do you have some suggestion? bauzas's concern is the cyborgclient may get many times if there are some bound accel:device_profile instance
10:19:16 brinzhang s/some/any/
13:17:25 lyarwood elod / bauzas / melwitt ; https://review.opendev.org/c/openstack/nova/+/780287 - final stable/queens ceph fix should be good to go btw
13:47:18 sean-k-mooney gibi: hi yep its an issue ill fix that and convert it to using the info cache quickly otherwise are you ok with the approch
13:48:21 sean-k-mooney im technically off this week but im going to intermitenly check the status of the vdpa patches until they are all merged but expect delays since i will only be checking evey few hours
13:49:32 gibi sean-k-mooney: I'm OK with the approach
14:27:00 openstackgerrit Takashi Kajinami proposed openstack/osc-placement master: Add openstackclient-plugin-jobs https://review.opendev.org/c/openstack/osc-placement/+/780598
14:30:15 bauzas dansmith: I got hit by Zuul when changing the pre-live-migration method, so I'll try to not accept 5.0
14:32:36 k-s-dean Hi would someone be able to help me.
14:32:51 k-s-dean How does nova notify neutron / designate of VM details ?
14:38:44 sean-k-mooney via a port update. for neutron it updates teh device_id with the instance uuid in port binding prodmently and designate reads the info from the neutron port
14:39:01 sean-k-mooney nova does not directly interact with designate
14:43:13 k-s-dean sean thanks for answering I'm getting ignore in all the other channels, I'm hitting an issue where the fixed IPs are being put in DNS. I've been asking around but cant get to the bottom of it. It worked in stein.
14:43:52 sean-k-mooney i think that is expected
14:44:41 sean-k-mooney when using designate the fixed ips set on the neutron port are registred in dns so that vms can directlly ssh to other vms via there host/dns name
14:44:42 k-s-dean In the neutron documentation it says that the VMs name gets appended on to the dns domain on port update events.
14:44:56 k-s-dean specifically for floating IPs
14:45:40 k-s-dean something has obviously changed since I last installed openstack.
14:46:19 sean-k-mooney i was always under the impression that both fix and floating ips were always regeistred
14:46:30 sean-k-mooney though the dns name might be different for each
14:46:50 k-s-dean The floating IP is being registered but like so
14:47:05 k-s-dean 10-30-0-205.os.example.com. | A | 10.30.0.205
14:47:27 k-s-dean I swear that in stein the VMs name was added to that DNS name
14:47:49 k-s-dean https://docs.openstack.org/ocata/networking-guide/config-dns-int.html#config-dns-int-dns-resolution
14:47:54 k-s-dean these docs are wrong then.
14:49:42 sean-k-mooney i have 172-20-5-191.cloud.seanmooney.info. cyborg-1.cloud.seanmooney.info. cyborg-1.sean.cloud.seanmooney.info.
14:49:46 sean-k-mooney all for the same vm
14:50:08 k-s-dean are those assigned to the floating IP or fixed IP
14:50:13 sean-k-mooney fixed
14:50:38 k-s-dean is that for internal DNS resolution then ?
14:50:44 k-s-dean not external
14:51:02 k-s-dean because I thought dns mask needed to be setup for that
14:51:16 sean-k-mooney well this is my home cloud and all the ips in my neturon subnet allocation pool are routable
14:51:32 sean-k-mooney my vms only get public ipv6 address
14:51:45 k-s-dean Yeah, so thats where I think there has been a major change.
14:52:02 k-s-dean in the neutron docs. Use case 2: Floating IPs are published with associated port DNS attributes
14:52:26 k-s-dean you can see at the end the floating IP is assigned the VMS name.
14:52:42 k-s-dean I can work around this by using a flat provider network,
14:52:55 k-s-dean and attach the VMs directly to the network.
14:52:58 sean-k-mooney well floating ips are named by the enduser when you create them
14:53:08 sean-k-mooney nova does not create floating ips fro you
14:53:47 k-s-dean ok i thought that when you attach a floating IP to an instance, neutron would notify nova of the port update and nova would notify designate of the VMS name
14:54:00 sean-k-mooney no
14:54:36 sean-k-mooney to attach a floating ip you call the nova api but we do not call designate.
14:54:49 sean-k-mooney its possible that designate is listing to nova notifcation bus
14:55:06 k-s-dean it is.
14:55:22 k-s-dean the way this works has obviously changed, since stein
14:55:22 sean-k-mooney im not sure it does any more
14:55:24 sean-k-mooney it used too
14:55:38 sean-k-mooney but any change in this behavior is on the designate/neutron side
14:55:50 k-s-dean if the expected workflow is that the dns name for floating IPs is specified by the user then I'll have to live with that.
14:56:36 k-s-dean on my last openstack installation. it worked as specified in Use case 2: Floating IPs are published with associated port DNS attributes
14:56:42 k-s-dean in the neutron docs i posted above.
14:56:42 openstackgerrit Merged openstack/nova master: libvirt: Use firmware metadata files to configure instance https://review.opendev.org/c/openstack/nova/+/779304
14:58:07 sean-k-mooney well as i said that behavior before was not provided by nova it was provide by designate
14:58:31 sean-k-mooney it might still be possibel to do but you would have to look at what was change in designate and if its configurable
14:58:53 k-s-dean ok thanks sean, much appreciated
14:59:07 k-s-dean I've been going round in circles because this use to work before.
15:00:12 sean-k-mooney looking at my own installl designate has stopped registering dns entires entirely which is nice of it.
15:00:31 k-s-dean wow ok.
15:01:11 sean-k-mooney i will be reinsitalling my home cloud in the next month or so and designate as much as i like it is one of the service im trying to desicied if ill keep
15:01:14 k-s-dean I basically have to disable the nova:fixed handler in designate-sink so that it does not register the fixed IPs
15:01:28 k-s-dean What would you use instead ?
15:01:56 sean-k-mooney for my home install just updating my cloudflare dns entires by hand
15:02:07 k-s-dean I'm open to suggestions. Its just a nice to have if I can register VM names in DNS. I dont have to faf around with my internal firewall.
15:02:13 sean-k-mooney which would be a regression but i could live with it
15:02:29 sean-k-mooney k-s-dean: yep it really is nice to have
15:03:20 k-s-dean oh well. I plan on using terraform for spinning up VMs so I guess i'll manually have to specify the dns name each time.
15:03:36 k-s-dean or I switch to a flat network completely. then it works as I expect.
15:04:37 k-s-dean I'm tempted to run, Stein containers in kolla to see if that works. but i know different versions aren't supported between release
15:04:40 sean-k-mooney in my case i think i just have a bug in the verion i have deployed as it use to work fine
15:04:59 sean-k-mooney im also debating about removing https://docs.openstack.org/neutron/latest/admin/config-bgp-dynamic-routing.html
15:05:17 k-s-dean is your cloud exposed directly to the internet ? via your ISP
15:05:40 sean-k-mooney not quite
15:05:46 stephenfin gibi: bauzas: lyarwood: Despite appearances, sean-k-mooney is on PTO this week so I was going to rework https://review.opendev.org/c/openstack/nova/+/780333/ I think it's important enough to warrant inclusion
15:05:49 stephenfin Any issues with me doing that?
15:06:21 stephenfin Just waiting for https://review.opendev.org/c/openstack/nova/+/770532/ to (hopefully) merge first since the rest of the series is in merge conflict too
15:06:33 sean-k-mooney k-s-dean:i have a ipv6 tunnel from hurican eletric which i then have a /48 from which i can allocate to vms
15:07:11 lyarwood stephenfin: none, should we ban sean-k-mooney ? /s
15:07:32 stephenfin kick them kick them kick them...
15:07:38 sean-k-mooney hehe im finishin ga release note update and ill be going away then
15:07:58 sean-k-mooney i need to charge the battery in my car...
15:08:08 lyarwood where did I put that ban hammer
15:08:11 sean-k-mooney turns out you should drive it more then once every few months
15:08:14 lyarwood haha
15:08:17 k-s-dean Sorry, I'm taking up your time. I'll shoot off and live with the limitations.
15:08:17 lyarwood yeah
15:08:34 sean-k-mooney k-s-dean: no worres sorry i could not help more
15:09:46 k-s-dean No problem thanks for helping me out. Better to get an answer from someone who is actively working on openstack. then I can go tell my boss that we will have to live with it rather than expecting it to work.
15:11:35 sean-k-mooney k-s-dean: if you dont get a responce on the designate channel try emailing the mailing list.
15:11:56 sean-k-mooney i use designate but i dont follow its developemnt so there might be a simple fix i dont know about
15:13:07 k-s-dean ok will do. I'm gonna try build a designate stein container push that to my environment see if it breaks.

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