Monday, 2016-06-27

thetravso, am I the only one hitting issues with too many open files?00:00
thetravwhen running the setup-hosts.yml playbook?00:00
thetravseems to hit around the time it's hitting the rsyslog_client tasks00:01
thetravvaries depending on where I set the ulimit to00:01
thetravappears to be related to an ansible 2.x bug?00:01
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matttthetrav: yeah, this project is still on ansible 1.900:31
matttthetrav: so you're in unchartered territory00:32
thetravso I checked00:32
thetrav1.9.400:32
thetravI'm not using 2.000:32
thetravalso the bug didn't just hit 2.000:33
thetravit hit heaps of places00:33
thetravhowever00:33
thetravit looks like it's only for when there's tons and tons of targets00:33
thetravso I don't really understand why it's hitting me when I've got only the 3 infra hosts and one compute host00:33
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matttthetrav: that is odd, because i know openstack-ansible has been used to deploy quite big clusters -- hundreds of nodes00:36
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thetravyeah00:39
thetravso what I'm thinking00:39
thetravsomething in my config is causing it to open files00:39
thetravlikely a range00:40
thetravI did at one point specify used_ips incorrectly and it blew up trying to enumerate from 10.4.0.0 to 256.0.10.400:41
thetravinterestingly enough that causes a segfault00:41
thetravok, so I don't really understand how to read lsof output, but there's tons of rows with ansible-p opening /dev/null00:42
thetravI'm thinking that's the problem00:42
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matttthetrav: i don't have any deploys in front of you, i'm not going to be of much use :(00:44
mattts/of you/of me/00:45
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* thetrav shrugs rubber ducking is of use :D00:45
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matttthetrav: swing back tomorrow, we have far more people online during the week00:47
thetravheh, it's Monday for me, but yes I'll be around tomorrow00:47
matttthetrav: you are using ubuntu 14.04 right?00:47
thetravyep00:47
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thetravshouldn't matter, but the targets are bare metal Cisco UCS, the deploy host is a vm running on an openstack I deployed with my own ansible scripts00:48
thetravhoping to decommission my own scripts and move to something community supported00:48
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matttthetrav: what exactly is cisco ucs?00:49
thetravUCS is the first three letters in their product code00:49
thetravgeneric compute servers00:49
thetravwhich so far I've been fairly unimpressed with00:50
thetravthat however, is largely irrelevant00:50
matttthetrav: so that's just the chassis type?  they're running 14.04?00:50
thetravyeah00:50
matttok cool00:51
thetravhost OS is 14.04 everywhere00:51
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matttthetrav: so you're saying it's failing on https://github.com/openstack/openstack-ansible-rsyslog_client/blob/master/tasks/rsyslog_client_install-apt.yml#L34-L39 ?00:56
thetravso that was the first place it failed00:56
thetravhowever I can cause it to fail in different places by changing the allowed open files00:57
matttthetrav: you are running as root right ?00:57
thetravyes00:57
thetravright now for example it is failing at rsyslog_client | Write log rotate file00:57
thetravI believe I am unable to allow it to go further because of a hard limitation on the select function in the OS00:58
thetravthat's way outside my comfort zone though00:58
thetravere be dragons00:58
thetravso I'm in the process of monkeypatching the ansible code to log the output of lsof and do some horrible bisection00:58
thetravto try and find where the open file handles is increasing00:59
thetravon the plus side, because it's interpreted and not compiled, this is something I am confident I can actually debug with my horrible brute force method00:59
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openstackgerritMerged openstack/openstack-ansible-os_aodh: Remove duplicate usage of the galera role in aodh func test  https://review.openstack.org/33406801:06
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thetravok, so from watching lsof it gains about 10k file handles as soon as it tries to install pip01:25
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thetravit falls over at just under 12k so I guess I'll look at why pip install is picking up so many file handles and not putting them down01:26
thetravdid I mention that almost all of the handles are /dev/null ?01:31
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matttthetrav: what version of pip out of curiosity?01:39
thetravwhich version is it installing to the target?01:40
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thetravpip 8.1.2 from /usr/local/lib/python2.7/dist-packages (python 2.7)01:40
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thetravwhich in fact is the same as the version on the deployment node01:41
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matttok that's good then :)01:43
thetravok, so do you by any chance know where openstack-ansible keeps its role files?01:45
thetravon the deployment host?01:45
thetravit's /etc/ansible01:49
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thetravok, so the files are opened before it does the first task in the pip_install play03:01
thetrav>_<03:01
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thetravok, so I realised I had 10 forks running04:04
thetravlowering it to 1 gives the same failure but it's only around 1k file handles04:04
thetravwhich is more consistent with the limitations of select (1024?)04:05
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openstackgerritDarren Chan proposed openstack/openstack-ansible: [docs] Address tox errors  https://review.openstack.org/33429806:18
openstackgerritDarren Chan proposed openstack/openstack-ansible: [docs] Address tox errors  https://review.openstack.org/33429806:19
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evrardjpgood morning08:23
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admin0good morning all :)08:26
kamszmornin08:26
bsvadmin0: mornings08:27
admin0morning ..08:28
admin0whats cooking today :D08:28
bsvBig news, it was decided overnight to start over from scratch with all OpenStack projects. All will be rewritten in erlang. Even ansible playbooks! ;)08:31
bsvSo nothing big... :)08:31
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admin0if you had said go :) would be believeable :)08:32
admin0erlang  gave it away :)08:32
bsv:D08:32
bsvDamn...08:32
bsvErhmm, I meant to say Haskell.08:32
admin0i recall threads trying to use go language for swift  :)08:32
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evrardjperlang could actually make sense08:50
evrardjpand good morning admin0 bsv kamsz08:50
admin0morning evrardjp08:50
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kamszevrardjp: mornin08:52
bsvmoin evrardjp08:52
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openstackgerritMerged openstack/openstack-ansible-security: Docs: Fix rendering of :orphan:  https://review.openstack.org/33298310:12
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admin0who from here will be in barcelona ?11:27
admin0in the summit ?11:27
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evrardjpit's a little to early to tell I think12:15
evrardjpobviously odyssey4me will go to the Barcelona summit12:15
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kamszi'm getting too many open files errors in cinder - will changing ulimit at infra solve the issue? im not very familiar with lxc12:19
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evrardjpcinder volumes are on metal by default IIRC12:56
evrardjpnothing linked to lxc12:56
evrardjpat least IIRC12:56
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admin0yep12:59
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automagicallyMorning all13:02
automagicallyadmin0: I’m hoping to be in Barcelona13:04
asettleo/ morn13:04
admin0morning all13:04
admin0oh wait ..  afternoon here :D13:04
automagicallyo/ asettle13:04
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admin0i am hoping for that as well :)13:06
admin0hopefully :)13:06
asettle+1 to that13:06
asettleSince I sadly missed Austin :(13:06
automagicallyYou did make a brief virtual appearance IIRC13:06
asettleI sure did. In my gym gear. Hahaha. Winnerrrrr13:06
asettleThat was a happy coincidence.13:07
admin0:)13:07
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asettleYou guys going to the midcycle?13:09
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automagicallyI just booked my travel to SAT this weekend.13:10
automagicallyNever been, so looking forward to it.13:10
asettleAwesome :)13:10
admin0what is a SAT :D ?13:11
automagicallySan Antonio, TX13:11
asettleSan Antonio :)13:11
admin0:)13:11
automagicallyIts the airport code13:11
admin0got it :)13:11
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openstackgerritTravis Truman (automagically) proposed openstack/openstack-ansible-os_aodh: Remove mongodb vars from the aodh func tests  https://review.openstack.org/33407013:13
alextricity25Where can I find the mid-cycle details and notes?13:17
asettlealextricity25: do you mean details on *how* to go? Or details on what we're doing there?13:17
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automagicallyhttps://etherpad.openstack.org/p/osa-midcycle-newton13:17
asettleWhat automagically said13:18
alextricity25thanks :)13:18
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asettleautomagically: do you know if we have the midcycle tickets out yet and how much they'll be costing?13:25
automagicallyTickets?13:25
automagicallyProbably a better question for mhayden13:25
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automagicallyWho has taken point on organizing it13:26
asettleYeah, where is he? He's disappeareddd!13:26
asettleI'll ask one of the guys :) cheers13:26
messymhayden is attending the Red Hat summit in San Francisco this week13:27
evrardjphey automagically13:28
automagicallyo/ evrardjp13:28
admin0there are more “software” summits now then “real” summits in Nepal :D13:28
evrardjphe is on holiday this week I think13:29
evrardjptalking about mhayden13:29
evrardjpor off at least13:29
automagicallyAh yes, didn’t realize13:29
evrardjphow come?13:29
evrardjp:p13:29
asettleHow dare he do holiday when I just come back from holiday13:29
asettlemessy you know things13:29
evrardjpoh yes true,13:30
messyasettle: just a few13:30
evrardjpthe RH summit13:30
evrardjphe has a presentation there, right ?13:30
admin0for someone from outside UK,  so this referendum is not binding, and needs a vote from parliament (where majority want to vote no) .. if they vote yes, they vote against wishes of scotland which can then veto or ask another referendum to break away from UK .. so if they proceed, there will be 2 breakups ? sounds complicated13:31
asettlemessy you doing work things these days rather than letting the evil mhayden push you around? :p13:31
asettleadmin0: hmm yeah, it is complicated.13:31
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asettleThere's also the point that the conservatives promised this referendum as a part of their election promise... which is, a bit tricky in itself. They don't follow through, they lose the vote, and eventually lose their seat.13:31
evrardjpI'll skip the polics talk for today13:31
asettleIt's a bit topsy turvy here at the mo.13:31
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asettleI'm so glad I just moved to the UK *rolls eyes*13:32
* admin0 goes back to reading theguardian :D13:32
asettleadmin0: good luck. That ain't happy reading :(13:32
asettleThings are not nice here at the mo.13:32
admin0anyone from poland here ?13:32
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asettleadmin0: in this chat, or in this office13:32
asettle? *13:32
admin0in this chat :) or office :)13:33
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evrardjpyou want to remember them they lost against switzerland?13:33
admin0during the weekend, i was trying to dig through on the “why” .. you know like a incident root cause analysis and it led me to the migration from poland  :)13:33
asettleI don't know of anyone in our dev group, wider office, definitely.13:33
asettleYeahhhh there's a lot of concerning bigotry towards the Polish at the moment.13:34
asettleI'm trying to figure that out myself, tbh.13:34
asettleI only moved over 2 months ago.13:34
admin0i am still waiting for my residence permit to actually apply for a visitor visa to the UK13:34
asettleadmin0: where are you based?13:34
evrardjpoh also, if the OSA cores have time to look at bugs before tomorrow's meeting, it could be cool13:35
admin0Netherlands13:35
evrardjpor not even cores, anyone13:35
evrardjphttps://etherpad.openstack.org/p/osa-bugtriage13:35
automagicallyevrardjp: I’m about to open one I think, so I’ll review what’s there when I do.13:35
asettleadmin0: ahhh gotcha. If you have an EU passport, you should be good to go? But I don't know much about other passports, to be completely honest. Australian passport is pretty much a free reign.13:35
admin0evrardjp: i see one or two that i canvalidate/test .. especially on documentation part13:36
admin0asettle: still on my Nepal passport :)13:36
evrardjpcool thanks admin013:36
admin0need 1 more year to be eligible to apply for the dutch passport13:37
evrardjpcool automagically13:37
asettleadmin0: ahhhh is there a lot of restrictions on that? Oh a dutch passport would be ace.13:37
admin0Nepali passport :) yes13:37
evrardjpI'll update this list tomorrow anyway, but we've got quite a long list this week13:37
admin0which is why i live in the hague ..  home to 150+ embassies13:37
evrardjpso I'd like to be fully prepared13:37
admin0so that applying for visa is easier :)13:37
admin0no long drives :) just a walk/cycle away13:37
asettleadmin0: sounds amazing. How long have you been living in the hague?13:38
admin0asettle: do you also work for rackspace ?13:39
asettleadmin0: like everyone else ;)13:39
admin03 years 9 months13:39
asettleI was WFH AU, and just transferred to the UK. Which is why I suddenly now appear in chat :p13:39
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admin0need to be here 5 years legally without i think €840  in legal fine over the last 5 years and pass a dutch exam to be eligible for citizenship13:40
kamszevrardjp: i've cinder-volume container, should i set somewhere to make it deploy cinder-volume on metal if im using ceph?13:41
asettleadmin0: that's not too bad! But damn, you must be walking on eggshells a bit :p13:41
admin0me, Nepal => Singapore => Netherlands ( i think not moving further  to anywhere else )13:41
kamszoch, yeah13:41
kamszmy bad then13:41
asettleOh very cool :) how'd you find singapore?13:41
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admin0kamsz: if you use ceph, make cinder in container13:41
admin0so need for bare metal13:41
admin0its just the APIs13:41
openstackgerritLogan V proposed openstack/openstack-ansible: Flush memcached on first listen IP only  https://review.openstack.org/33448413:42
admin0well, singapore was good for the first 6 months — done everything twice ..  but 5 years was bit too long and too limited13:42
admin0limited by the size of the country :)13:42
evrardjpkamsz: if you are using ceph you can use cinder  in a container13:42
kamszthen i'm hitting ulimit issue13:42
asettleadmin0: yeah I visited and honestly? didn't find it particularly enchanting. But I have had plenty of people say how much they *love* living there.13:42
admin0but allowed me to go to thailand, hongkong, philippines, malayasia, indoneasia, cambodia etc :)13:43
admin0singapore is good for a visit and maybe stay for 6 months :) after that, things start to get a bit boring13:43
admin0my cupboard were only t-shirts, flipflops and shorts ..13:43
admin0nothing else13:43
admin0even the weather is predictable and the same13:44
admin0here in netherlands, its supposed to be summer and feels like winter .. no sun for days . :)13:44
michaelguginohi all13:44
admin0its a small country  ..  fun initially, but starts to get borin13:44
admin0hello michaelgugino13:44
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openstackgerritLogan V proposed openstack/openstack-ansible: Flush memcached on first listen IP only  https://review.openstack.org/33448713:45
evrardjphi michaelgugino13:46
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automagicallyo/ michaelgugino13:46
admin0what * as a service ( apart from that provided by neutron) is in the roadmap for ansible ?13:48
admin0database, dns, containers, filesystem ?13:48
admin0and if anyone is using it now, how are they doing it ? run ansible playbooks first, then run additional playbooks >13:49
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evrardjpnot sure to understand the question admin014:00
evrardjpansible is still working on new modules for managing/using openstack if that's what you meant14:01
admin0it was more of “what more is out there that I can do” with the openstack ansible14:01
admin0https://www.openstack.org/software/project-navigator/   — on top of core services, ansible is also doing horizon, heat, ceilometer, ironic14:02
admin0so manlia looks mature enough .. someone workign to integrate it ?14:02
admin0or can i work to integrate it ?14:02
admin0so just trying to look ahead14:02
automagicallyadmin0: I’m sure folks would appreciate a Manila role14:03
evrardjpI didn't hear anyone looking at manila14:03
automagicallyI’m not aware of anyone working on it14:03
admin0i see it “green” :)14:03
admin0in the maturity list14:03
bkreitchactually i was thinking on checking manila too:)14:04
automagicallyNewest roles seem to be rally, cloudkitty, magnum and ironic14:04
evrardjpdesignate too, more or less14:04
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evrardjpI'd say plus less than more14:04
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admin0bkreitch: you have not started it yet ?14:12
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bkreitchadmin0: not yet, just was looking if someone is doing it already14:16
admin0me too :)14:16
admin0whats your plan of approach in integrating this ?14:16
cloudnullmornings14:18
admin0mornings14:18
bkreitchwanted to borrow something from tripleo manila patch14:18
asettleo/14:18
admin0my approach is to install and test manilla over a multi node install, then note down the changes required to do and start with ansible14:18
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automagicallyMakes good sense admin014:20
automagicallyo/ cloudnull14:20
cloudnullhows it automagically?14:20
automagicallyit goes14:21
cloudnulli guess thats better than "not" :)14:22
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asettlecloudnull: how was your hols?!14:26
asettleI saw Llama.14:26
cloudnullIt was a good time14:26
cloudnullthere were llamas, hiking, family.14:27
cloudnullgenerally good time14:27
bkreitchadmin0: i'm just building aio first14:28
admin0aha ..different approaches :)14:28
admin0i never did aio .(might not do it ) :D14:29
openstackgerritTravis Truman (automagically) proposed openstack/openstack-ansible: Fix HAProxy config and install version when ssl is disabled  https://review.openstack.org/33450614:29
bkreitchhow do you do multi node install - physical servers, VMs?14:30
evrardjphey cloudnull14:32
cloudnullbkreitch: if you have a physical node to play with you can build a multi-node env on that single node using something like https://github.com/cloudnull/osa-multi-node-aio14:32
bkreitchcloudnull: thx14:35
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evrardjpin the future, I'll write a full ansible multi node deploy for devs, when I'll have time, so probably not before 2 week-ends14:43
evrardjpon clouds*14:43
evrardjpso a different use case than cloudnull's14:44
evrardjpat the moment cloudnull's multi node is quite the only way to automate it, the rest is build your own14:44
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cloudnullevrardjp: the RPC crew has a bunch of heat templates to do this on an existing OpenStack cloud.14:45
* cloudnull goes to look14:45
evrardjpI know14:45
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evrardjpbut it's based on heat14:45
cloudnullhttps://github.com/rcbops/rpc-heat14:45
evrardjpI think the latest version is elsewhere14:45
evrardjphttps://github.com/cloud-training/rpc-heat-ansible14:45
evrardjpbut still14:46
cloudnullah thats the more updated version14:46
evrardjpyup14:47
openstackgerritMerged openstack/openstack-ansible-rsyslog_server: Add CentOS 7 support  https://review.openstack.org/33222914:47
evrardjpyou'll have to update your github stars :D14:47
bkreitchi'm having an issue with aio - ssh key doesn't seems to be copied into containers - is it in lxc_hosts role?14:48
openstackgerritMerged openstack/openstack-ansible-security: Docs: Add developer guide for security role  https://review.openstack.org/33299214:49
openstackgerritMerged openstack/openstack-ansible-os_aodh: Remove mongodb vars from the aodh func tests  https://review.openstack.org/33407014:55
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michaelguginoare the 16.04 nova, neutron services being run in a virtualenv?15:29
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automagicallyI sure hope so15:31
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michaelguginoit doesn't really look like it based on the systemd service files.  I don't see anything about activating a venv15:39
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openstackgerritMichael Gugino proposed openstack/openstack-ansible-os_swift: Implement Xenial Support  https://review.openstack.org/33454315:51
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cloudnullmichaelgugino: yes.16:03
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cloudnullthe venv only needed to be activated in upstart init files. w/ the systemd variant we only need to call the binary from within the venv16:03
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mhaydenasettle: tickets for the midcycle? entry to the midcycle will be free as far as i know16:09
asettleWoah mhayden lives. Man it's been quiet today.16:10
asettleGotcha, thanks :)16:10
asettleI just need to be able to tell the hoomans above me.16:10
mhaydenasettle: i'm out in SF for the red hat summit16:10
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asettlemhayden: so I was informed thanks to messy16:11
asettleHaving a blast?16:11
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mhaydenhah, it's just getting underway shortly... tired from running this morning!16:12
mhaydenalthough running in SF is quite refreshing16:12
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cloudnullbkreitch: did you get the aio going ?16:13
cloudnullgenerally my process for an AIO is to, make VM /w >=8GB of ram & 150GB storage, install git tmux vim, start tmux session, clone repo, cd to repo, run ./scripts/gate-check-commit.sh, go get coffee.16:15
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alextricity25I like the coffee part the best16:16
cloudnullthat script will setup the env like we do in the gate which in the RAX public cloud takes about 45 min.16:16
cloudnullalextricity25: ++ the coffee part is my favorite too .16:16
openstackgerritMerged openstack/openstack-ansible: Fix config generated for rsyslog_client_log_files  https://review.openstack.org/33154616:16
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BjoernTHey does anyone know a good reason why we only add the root device to the LVM filter  ? Was it because of locks when using cinder lvm ?17:17
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bkreitchcloudnull: i think the problem was in 32-bit ubuntu, don't why still had it, but check can be added in supported os17:34
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openstackgerritMajor Hayden proposed openstack/openstack-ansible-security: Docs: Fix rendering of :orphan:  https://review.openstack.org/33458617:42
openstackgerritMajor Hayden proposed openstack/openstack-ansible-security: Docs: Fix rendering of :orphan:  https://review.openstack.org/33458717:43
spotzgeez mhayden again?:)17:47
mhaydenspotz: backports!17:49
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openstackgerritMerged openstack/openstack-ansible-os_horizon: Add enable_lb option back to horizon  https://review.openstack.org/33331718:50
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openstackgerritMichael Gugino proposed openstack/openstack-ansible-os_swift: Implement Xenial Support  https://review.openstack.org/33454318:58
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openstackgerritMerged openstack/openstack-ansible-os_neutron: Dynamic Neutron OVS agent tunnel_types and local_ip config  https://review.openstack.org/33295719:11
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openstackgerritMerged openstack/openstack-ansible: Confirm container destroys  https://review.openstack.org/33419919:28
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openstackgerritMichael Gugino proposed openstack/openstack-ansible-os_neutron: Add missing xenial to meta.yml  https://review.openstack.org/33463119:34
openstackgerritMichael Gugino proposed openstack/openstack-ansible-os_nova: Add missing xenial to meta.yml  https://review.openstack.org/33463319:35
openstackgerritMichael Gugino proposed openstack/openstack-ansible-openstack_hosts: Add missing xenial to meta.yml  https://review.openstack.org/33463519:38
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openstackgerritTravis Truman (automagically) proposed openstack/openstack-ansible: Remove _net_address_search from dynamic inventory  https://review.openstack.org/33463919:56
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openstackgerritMerged openstack/openstack-ansible-os_neutron: Add missing xenial to meta.yml  https://review.openstack.org/33463120:29
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openstackgerritJimmy McCrory proposed openstack/openstack-ansible-specs: Add spec for only supporting venv installs  https://review.openstack.org/33464920:30
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appprod0hello. anyone know if the horizon lbaas v2 panels work in liberty? one doc says yes, other says no. testing it out i don't see the panel in horizon after enabling it20:35
openstackgerritMerged openstack/openstack-ansible-os_nova: Add missing xenial to meta.yml  https://review.openstack.org/33463320:38
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alextricity25appprod0: It should work. We had doc patches merge last week that detailed how to add the lbaas v2 horizon panel20:40
openstackgerritAmy Marrich (spotz) proposed openstack/openstack-ansible-security: Docs: Fix rendering of :orphan:  https://review.openstack.org/33458720:40
alextricity25Did you follow the steps exactly? Did you re-run the neutron and horizon playbooks after enabling lbaas v2 and the horizon panel20:40
appprod0i set horizon_enable_neutron_lbaas: True and reran os-horizon-install.yml20:40
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appprod0the lbaas agent is running, just seems like horizon isn't showing the panel. there should be a LBaaS button in horizon afterwards right?20:42
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openstackgerritAmy Marrich (spotz) proposed openstack/openstack-ansible-security: Docs: Fix rendering of :orphan:  https://review.openstack.org/33458620:42
alextricity25appprod0: I'm not sure to be honest. i've never tried this before. Maybe it's under the networking tab?20:43
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alextricity25appprod0: mhayden should know about the horizon lbaas v2 panels. But he is out of town20:44
alextricity25Maybe he'll pop in later20:44
appprod0thanks alextricity2520:45
openstackgerritMerged openstack/openstack-ansible-openstack_hosts: Add missing xenial to meta.yml  https://review.openstack.org/33463520:45
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mhaydenappprod0: fix proposed for that -> https://review.openstack.org/#/c/333010/20:45
spotzmhayden: No more :orphan:s!20:46
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openstackgerritTravis Truman (automagically) proposed openstack/openstack-ansible: Remove _net_address_search from dynamic inventory  https://review.openstack.org/33463920:46
appprod0cool, thanks mhayden20:47
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mhaydenspotz: yay!20:54
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spotzmhayden: Going through those is a full time job20:55
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spotzmhayden look like mitaka failed but the same changes passed liberty21:00
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openstackgerritTravis Truman (automagically) proposed openstack/openstack-ansible: Remove doc and example config references to host_bind_override  https://review.openstack.org/33467021:19
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openstackgerritJean-Philippe Evrard proposed openstack/openstack-ansible: Fail Fast when trying to upgrade with LBaaS v1 enabled  https://review.openstack.org/32472822:35
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openstackgerritJean-Philippe Evrard proposed openstack/openstack-ansible: Fail Fast when trying to upgrade with LBaaS v1 enabled  https://review.openstack.org/32472822:43
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openstackgerritKevin Carter (cloudnull) proposed openstack/openstack-ansible-openstack_hosts: Added the ip_vs kernel module to all openstack hosts  https://review.openstack.org/33469822:45
openstackgerritKevin Carter (cloudnull) proposed openstack/openstack-ansible: Added the ip_vs kernel module to all openstack hosts  https://review.openstack.org/33469922:46
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openstackgerritKevin Carter (cloudnull) proposed openstack/openstack-ansible: Added the ip_vs kernel module to all openstack hosts  https://review.openstack.org/33469922:47
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openstackgerritKevin Carter (cloudnull) proposed openstack/openstack-ansible-openstack_hosts: Added the ip_vs kernel module to all openstack hosts  https://review.openstack.org/33470122:50
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thetravso, still having toruble pinning down my problem with too many open files23:20
thetravit appears that security hardening may be to blame23:20
thetravbefore starting the security-hardening.yml play, there are about 100 open files23:20
thetravbefore starting the lx-hosts-setup.yml file, there are about 90023:21
thetravansible bombs out at 1024 due to limitations of the OS select function23:21
thetravI will double check, but I think I've left security hardening to its default value (False) so the fact taht it's hopening files at all is odd23:22
thetravoh, the other thing to note is that the majority of file handles are to /dev/null which implies to me that it's some sort of "run a script and trash the stdout or stderr stream" that doesn't close afterwards23:22
openstackgerritMerged openstack/openstack-ansible-lxc_hosts: Implement base container for overlayfs-backed containers  https://review.openstack.org/32902923:23
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cloudnullthetrav: sorry to ask as you've likely been asked this before, but there is it bombing ?23:23
cloudnulls/there/where/g23:24
thetravwhere specifically does it give me an error?  trying to install rsyslog packages23:24
thetravI've spent a long time investigating though and believe that's a red herring23:24
thetravrsyslog packages only opens a handfull of files23:24
cloudnullenv on a physical host w/ containers on the root fs or in LVs23:25
thetravthe problem seems to be that it doesn't have any headroom left after the initial 900 ish files are open23:25
thetravoh, what's my install setup?23:25
thetrav4 bare metal target hosts 1 virtual machine as the deployment host23:25
thetravall running ubuntu 14.0423:25
cloudnullok .23:25
thetravthe vm is hosted on an existing openstack, kilo, using kvm and gre tunnels23:25
cloudnullcool23:25
thetravI'm 90% certain the error occurs on the deploy_host not on the target machines23:26
thetravI've been debugging by dumping lsof at strategic parts in the playbooks23:26
thetraveffectively a bisect to locate the point at which things go weird23:26
cloudnullwhat version of ansible ?23:27
thetrav1.9.423:27
cloudnulldeploying mitaka or liberty ?23:27
thetrav2277aa8cc19140d9313fa6f3363db966312ffdc3 which was stable/mitaka when I started23:27
cloudnullok.23:28
thetravyesterday that was one commit behind, however that commit did not have anything relevant23:28
cloudnullsorry was just catching up23:28
thetravno worries23:28
thetravincredibly pleased for someone to be paying attention :D23:28
thetravoh23:28
thetravthe other thing worth mentioning23:28
thetravinitially I had an error that I sought to fix by raising the allowed open files23:28
thetravI forget specifically waht it was23:29
thetravbut editing /etc/security/limits.conf pushed past it23:29
cloudnullso setting ulimit -Hn doesn't help ?23:29
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thetravyeah that's what /etc/security/limits.conf does23:29
thetravso it lets you get a tiny bit further23:29
thetravbut there's some sort of underlying function called select that has a hard coded limit of 102423:29
thetravactually hard coded may be the wrong word23:30
thetravIt's a limit that I have not been able to figure out how to increase23:30
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cloudnullI cant remember exactly but I do remember seeing issues similar to what your describing when setting the limits.conf for all contexts.23:30
cloudnullmaybe not relevant . . .23:31
cloudnulllaso fs.file-max in sysctl.conf may be able to be used to move that limit higher23:31
thetravnope23:31
thetravso I've adjusted that limit23:31
thetravto something quite high23:31
thetravhttps://github.com/pexpect/pexpect/issues/47 <- kind of what I'm talking about23:32
thetravdifferent project and issue23:32
cloudnullhere are my current settings http://cdn.pasteraw.com/tk6p63qfxzvc0h58vjsb72ll1r1nunm23:32
thetravbut that's the limitation on select.select()23:32
cloudnullthats my deployment node on a ~500 node build23:32
thetravyep23:33
thetravso my deployment is only 4 nodes23:33
cloudnullw/ http://cdn.pasteraw.com/k77mrvema9cvwk2zoxx8gej7x1813nd23:33
cloudnullso it should work :)23:33
thetravindeed it should23:33
thetravand yet it is not23:33
thetravmy best guess is that it's enumerating a range somewhere, and I've configured the range to be quite large23:33
cloudnullthat said, that build is running liberty /w-out the security role (it wasn't implemented at that time as the default).23:33
thetravoh23:34
thetravso security is turned on by default now?23:34
cloudnullso not quite apples to apples23:34
cloudnullit is23:34
cloudnullin mitaka23:34
thetravok, I must have been reading the wrong docs then23:34
* cloudnull thought it was , goes to look23:34
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cloudnulldo you happen to have a stacktrace saved somewhere when it decides to die ?23:35
thetravI can generate one23:36
cloudnullif you wouldn't mind ?23:36
thetravnot at all, it'll take me a few minutes is all, just rebooting the node to re-set the file limits23:36
thetravI'm actually invoking openstack-ansible using ansible, so it's reasonably easy to reproduce everything23:37
cloudnullhttps://github.com/ansible/ansible/issues/12259 -- ulimit related, but is it something like that TB ?23:37
thetravyes23:37
thetravthat is the error message23:38
thetravOSError: [Errno 24] Too many open files23:38
thetravhowever the default limit in ubuntu is 102423:38
thetravI confirmed that when I first came across that issue23:38
thetravthe other factor is that I'm not using ansible 223:39
thetravI'm using the version of ansible that the bootstrap script installs23:39
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cloudnullansible 2 or 2.1 ?23:39
thetravneither23:39
thetravyou asked above23:39
thetrav1.9.423:39
cloudnullsorry i read those last updates wrong.23:40
cloudnull"not" being the operitive word that i missed23:40
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cloudnullis UsePAM set within your  sshd_confi g?23:41
cloudnullmaybe the pam_limits are not being loaded?23:42
thetravyeah so, it's not 2 or 2.1 on my deploy host, the issue seems strongly related, however they're focussing on a newer version and osx as the deploy host, wheras I'm using ubuntu23:42
thetravI thought sshd_config would only impact inbound ssh sessions23:43
thetravthis is outbound23:43
thetravUsePAM is set to yes23:43
thetravso the question is moot23:43
cloudnullhum...23:43
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cloudnullwas thinking maybe ansible calling openstack-ansible was getting "other" limits due to the connection .23:44
cloudnullbut maybe not.23:44
thetravahh right23:46
thetravno, I don't think so23:46
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thetravshould have a stacktrace for you shortly23:46
thetravthen I'm going to have a go with security_hardening set to false23:46
thetravhttp://cdn.pasteraw.com/8srl4ujpjinlni641pviz9hgrz1n10723:47
thetravthat's one of the hosts, I have a matching exception for each host23:47
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thetravTASK: [rsyslog_client | Write log rotate file] ********************************23:48
thetravthat's the closest ansible output23:48
cloudnullcould you remove these lines from the ansible.cfg file in your playbooks directory and try again ? https://github.com/openstack/openstack-ansible/blob/master/playbooks/ansible.cfg#L17-L1923:48
openstackgerritDarren Chan proposed openstack/openstack-ansible: [docs] Address tox errors  https://review.openstack.org/33429823:49
cloudnulllooks like it may be spooling opening and closing cached facts23:49
cloudnullwell in this case, not closing23:49
thetravok, I'll try once I've completed this run with security_hardening disabled (and will of course re-enable security hardening)23:50
cloudnullalso I wonder if you have a bazillion files in the directory "/etc/openstack_deploy/ansible_facts" for some strange reason ?23:51
cloudnullif so you can nuke them and try again23:51
cloudnullall that is stored there are cached facts.23:51
thetravonly 5 files23:52
thetravone per host23:52
cloudnullthats what it should be23:52
cloudnullso hum .23:52
thetravok, so setting that security_hardening variable to False did not solve anything23:53
thetravstill have too many files open23:53
thetravhasn't crashed yet but I can see it in LSOF23:53
thetravusing lsof | grep '^ansible-p' | wc -l23:54
thetravtrying again with those lines you suggested commented out of ansible.cfg23:55
thetravinterestingly enough setting the security_hardening variable to False did not actually skip the role all together, it looked like it was stepping through everything and skipping individual tasks23:56
thetravso if this doesn't work I may try butchering setup-hosts.yml and commenting out the include23:56
cloudnullyea, sadly thats ansible.23:56
thetravthat will at least tell me if it is security_hardening at fault or some metadata loading thinger23:56
cloudnullsadly ansible will not reverse state once a change has been made. so if you disable after its been enabled the change remains.23:59

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