Monday, 2017-10-02

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openstackgerritBar RH proposed openstack/octavia master: [WIP] Assign bind_host ip address per amphora  https://review.openstack.org/50515812:12
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xgerman_o/12:52
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nmagnezio/12:59
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nrado1Hi, today I deployed LbaaS with Octavia driver, but the lbaas agents are not listed within the neutron agents and I'm getting this error in the lbaas-logs: https://gist.github.com/anonymous/553d786dc5284d70763157f9efd697e9.13:47
nrado1Is this a known issue? I deployed OpenStack with Kolla (Pike version + Ubuntu as the operating system of the containers). I've restarted neutron-server, rabbitmq and lbaas-agents. But the error is still there.13:47
nrado1Neutron LBaaS Version: 11.0.0.0rc2.dev313:47
xgerman_you don’t need LBaaS agents with Octavia13:48
nmagnezinrado1, Octavia does not require that agent13:49
nmagnezioh, sorry xgerman_ didn't see you answer it.13:49
xgerman_;-)13:49
nrado1ah ok, good to know :D But i still use the neutron lbaas-… commands for creating them?13:49
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nmagnezinrado1, there's a client called python-octaviaclient we may use. If you use Octavia as it's own keystone endpoint that would be your way to go13:52
nrado1great, thank you very much! I'll give it a try13:53
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nradoHi, when I execute openstack loadbalancer list, I'm getting this: https://gist.github.com/neki06/f6b047db31e075eafba6234c0400fb3316:54
nradopip show python-octaviaclient16:55
nradoName: python-octaviaclient16:55
nradoVersion: 1.1.016:55
nradoopenstack --version16:55
nradoopenstack 3.12.016:55
nradoDid I miss something?16:55
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johnsomThat is interesting.  Never seen that before.17:00
johnsomnrado can you run "openstack --debug loadbalancer list" and gist the output?17:00
johnsomI am guessing it's sending something back that is not in the right format17:01
nradoyes, give me a second17:01
nradohttps://gist.github.com/neki06/e9da017f4b4dd8299e3f3e173e2d9f5017:02
johnsomWow, ok, I guess we have a bug.  I wonder what caused that....17:05
johnsomLet me try something local.17:05
johnsomHmmm, odd, I just tried that local and it worked.17:06
johnsomstack@devstackpy27-2:~/devstack$ openstack loadbalancer list17:06
johnsomstack@devstackpy27-2:~/devstack$17:06
johnsomOk, so my debug output does not look like yours.17:07
johnsomhttps://www.irccloud.com/pastebin/KXOV1BSo/17:07
nradohm, ok. Maybe I did something wrong, but I don't know what17:09
johnsomWhat release of Octavia did you install?17:09
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nradooctavia-api --version17:10
nrado%prog 0.10.017:10
nradoMay I ask you something. I always used lbaas with the default haproxy driver17:11
johnsomAh, so you have Ocata17:11
nradoYeah, sorry forgot to mention that!17:11
johnsom That is before the Octavia API was released in Pike.  OpenStack client only works with Pike or newer.17:11
johnsomWith Ocata you have to keep using the neutron-lbaas driver and "neutron" client17:12
nradoah ok17:12
nradobut may I ask you something17:12
johnsomSure17:13
nradosomeone told me that I don't need lbaas-agent anymore, but why do I still have to edit neutron_lbaas.conf to use Octavia driver?17:14
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johnsomWith versions older than Pike, Octavia is only available as a driver to neutron lbaas (There are many driver options for neutron-lbaas: Octavia (reference driver), F5, Radware, VMware, etc.).  Neutron-lbaas is a neutron extension.17:15
johnsomOctavia does not use neutron agents, but you still need to configure the neutron-lbaas extension to make the Octavia driver available.17:16
johnsomIn Pike we made it so you no longer need neutron-lbaas, you can go directly to octavia.17:17
johnsomThis diagram in our docs shows the Ocata setup: https://docs.openstack.org/octavia/latest/reference/introduction.html#a-10-000-foot-overview-of-octavia-components17:19
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nradoOk, I got this. I'm asking this because I'm deploying with Kolla and trying to understand the differences between default haprxy and octavia. So in my case I still need lbaas containers, right?17:21
nradoIt's confusing for me17:21
johnsomThe haproxy namespace driver should not be default.  It is very limited and not much support.17:22
nradoI know, that's why I want to change the driver17:22
johnsomHmm, I have not used kolla, so not sure.  I can see if I read up17:22
nradoBut regardless of wheter I use Pike or Ocata I don't need the lbaas agent anymore, is this right?17:24
johnsomCorrect17:24
johnsomOctavia never used a neutron agent17:24
nradook, thank you :)17:25
johnsomNP17:26
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rm_workkong: great, thank you19:01
rm_workkong: i will try to do this soon, although this week I have a big demo to prepare for today/tomorrow, so I may not get to it T_T19:01
rm_workthough, I will try this morning19:01
rm_workkong: the legacy-requirements thing is failing because of zuul issues I think, or at least it's a global thing for octavia and is not a problem with your patch, so for now you can ignore it19:02
rm_workjohnsom: who do we still know that is very experienced with haproxy?19:07
johnsom Us for the most part.  Baptiste isn’t there anymore19:08
rm_workjohnsom: i am somewhat led to believe it is related to the haproxy side, as i noticed that configuring only a single member gives me ~25k/s (about what I'd expect compared to 55k/s direct to backend)19:08
rm_workbut adding a second member to the pool drops it to ~16k and then third or more member settles at ~10k19:09
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rm_workit's just round-robin, i wouldn't expect adding more members to kill performance that much19:09
rm_workbut i guess it does somehow19:09
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johnsomYeah, that is strange behavior we need to figure out.  Not normal by any means19:13
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rm_worki wonder if it's centos related19:17
rm_workdid you get your devstack figured out?19:17
rm_workI can maybe try to build an ubuntu version19:18
rm_workand see how it compares19:18
johnsomI am still working on it.19:23
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rm_worki'll work on the ubuntu build19:31
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rm_workjohnsom: did you get the project update slide template they sent out? or did it go just to me19:46
johnsomJust to you19:47
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rm_workforwarded it to you19:56
rm_workjust in case you suddenly find yourself with an unexpected urge to make slides for something19:56
rm_workand you don't have any ideas about what to make19:56
rm_workjust thinking of you ;)19:57
johnsomHahaha.  I take that as "please make these for me"19:57
rm_workhey, i said no such thing!!19:57
rm_workjust if you REALLY want to make slides suddenly19:57
rm_workand have no alternatives :P19:57
rm_worki have approximately 8 hours set aside for making them19:59
rm_worksomewhere above the pacific ocean19:59
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johnsomrm_work I setup a test environment with an ubuntu haproxy outside of openstack, I'm getting similar results to the amp through openstack20:28
rm_workOct 02 20:19:43 myamp awk[17155]: Error: argument "None" is wrong: Invalid "mtu" value20:31
rm_workthat's interesting -- did we patch something recently that messed with mtu?20:31
rm_worki'm not sure WHERE it got that20:32
rm_workjohnsom: ok but what are those results?20:32
johnsomI don't think we have changed anything related to mtu for a long time20:32
johnsomUnder 10l20:32
johnsom10k20:32
nmagnezio/20:33
johnsomHi Nir20:33
nmagneziHi Michael20:33
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nmagnezijust spinning up another devstack for those dashboard nodes20:34
nmagnezijohnsom, btw re-ran https://review.openstack.org/#/c/503638/ and for some very strange reason I still get a strange error from nova when I try to spawn instances (fresh devstack node)20:35
nmagnezistill not sure why20:35
johnsomnmagnezi What is the error?20:35
nmagnezijohnsom, something about that a <hostname> is not defined as a nova cell20:37
kongthanks, rm_work20:39
kongand morning, btw20:39
rm_workjohnsom: ok so you think... haproxy in openstack just ... won't go over 10k20:39
rm_work?20:39
johnsomNo, I think it is something else.  Like I said, I get the same inside and outside20:40
rm_workwhelp, k20:45
rm_workthis is ... what env?20:46
rm_workNOT devstack?20:46
rm_workor still in your devstack VM20:46
johnsomJust vmware instances20:48
rm_workhmm20:48
rm_workok i can repro in staging that my numbers from from ~20k to ~10k when i go from one member to two20:50
rm_workso i'm going to now upload an ubuntu image20:50
rm_workand see if that changes20:50
rm_work... if it ever builds21:07
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rm_workjohnsom: is this the same error we used to get from bad dib? http://paste.openstack.org/show/622507/21:26
johnsomYeah, I thought they got rid of kpartx21:27
rm_workhmm21:27
rm_workjust got it now21:27
rm_worki wonder if i have a bad release installed21:27
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xgerman_@johnsom  so somehow my octavia-worker is bouncing21:43
johnsomBouncing?21:43
xgerman_https://www.irccloud.com/pastebin/tnXoYda4/21:44
xgerman_guess I need to file a bug for that — I would expect us to crash and have the user figure out what he did wrong21:45
rm_work??21:50
xgerman_it’s osa specific21:51
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johnsomYeah, the OSA systemd service file doesn't limit auto-restarts, so it just loops trying to start the CW, which, if the config is wrong....21:55
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