Sunday, 2016-12-11

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openstackgerritKevin Carter (cloudnull) proposed openstack/openstack-ansible: [WIP] example playbook to build container images  https://review.openstack.org/40949002:25
winggundamth_wow so you cloudnull works on weekend too?02:31
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openstackgerritJirayut Nimsaeng proposed openstack/openstack-ansible: In Xenial. The main public interface name not always be eth0. So role bootstrap-host have to change from eth0 to ansible_default_ipv4.interface to get the correct default public interface name  https://review.openstack.org/40949402:50
openstackgerritJirayut Nimsaeng proposed openstack/openstack-ansible: Fix main public interface name not always be eth0.  https://review.openstack.org/40949402:55
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cloudnullwinggundamth_: ha03:03
cloudnullsometimes03:03
cloudnulljust messing about sitting on the couch03:03
cloudnullhow are you doing winggundamth_?03:04
winggundamth_cloudnull: great time. I'm going to leave my full time job by the end of this year and going to do full time on my own company Opsta starting next year :)03:05
winggundamth_cloudnull: and I already got my first client that I will use OSA for them!03:05
cloudnullthat's awesome!03:06
cloudnullcongradulations03:06
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winggundamth_thanks :D03:06
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cloudnullopsta is the company ?03:07
cloudnullhttps://github.com/opsta <- is this you?03:07
winggundamth_cloudnull: oh yes. that is my company name :)03:07
cloudnullgood name03:07
winggundamth_cloudnull: yes. that github is mine. thanks03:08
cloudnullcool!03:08
cloudnullexciting times :)03:08
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winggundamth_cloudnull: yes. I just hired my first employee. you can expected him to be active in here for sure.03:09
cloudnull++03:09
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winggundamth_cloudnull: I'm sure that I'll help you more on contribute. especially testing a lot of stuffs. as I found few bugs right now lol03:10
winggundamth_cloudnull: btw can you help me on this? https://bugs.launchpad.net/openstack-ansible/+bug/161241203:11
openstackLaunchpad bug 1612412 in openstack-ansible "Xenial: neutron agents container unable to resolve names" [Low,Confirmed]03:11
cloudnullthat's great, we always need more testing .03:11
* cloudnull looking03:11
winggundamth_cloudnull: I know that bug is related to apparmors profile. but since I don't know anything about apparmors so I just need a guide to fix this.03:12
cloudnullwinggundamth_: are you using overlayfs ?03:12
winggundamth_cloudnull: yes03:12
cloudnullI believe that was only an issue when overlayfs was being used.03:13
cloudnullit would seem there were some kinds of conflicts.03:13
cloudnullthough I've not really had a tun of time to look into why03:13
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winggundamth_cloudnull: I don't knwo but I can do workaround this his comment https://bugs.launchpad.net/openstack-ansible/+bug/1612412/comments/1403:13
openstackLaunchpad bug 1612412 in openstack-ansible "Xenial: neutron agents container unable to resolve names" [Low,Confirmed]03:13
winggundamth_cloudnull: so that's why I think it's related to apparmor03:13
cloudnullhum03:14
cloudnullill have to dig into it and see what's causing that.03:14
cloudnullthat said, do you "need" overlayfs ?03:14
winggundamth_cloudnull: this bug really block me when I'm investigating network problem.03:15
winggundamth_cloudnull: I don't think so. I think the only benefit of overlayfs is it's faster right?03:15
winggundamth_cloudnull: and I can see from Docker that there is overlayfs2 too03:16
cloudnullyes. its faster. but there are issues with potential data coruption under load w/ overlayfs03:16
cloudnullwe were using it in test but have since reverted back to dir as the default03:16
cloudnullat Rackspace we use LVM backed containers03:17
winggundamth_is this overlayfs is the same as it used it Docker?03:17
cloudnullyes.03:17
winggundamth_I saw overlayfs2 but I'm not sure that is kernel feature or not.03:17
cloudnullI have no idea.03:17
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winggundamth_cloudnull: so I will try to set back to dir and see how this going.03:18
cloudnull++ That'd be my recommendation for now.03:18
winggundamth_but is it means that we should patch to revert back to dir?03:18
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cloudnullthat's the default.03:19
winggundamth_cloudnull: in the code I see that it depends on kernel version03:19
winggundamth_so maybe I missed something03:19
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cloudnulllxc_container_backing_store03:19
cloudnullif that variable is not set https://github.com/openstack/openstack-ansible-lxc_container_create/blob/dc7b943bebd0b5921f71eb316fffe89b8fb3b349/tasks/container_create.yml#L16-L3103:20
cloudnullwill test to see if an lvm volume for lxc is available and if not fall back to dir03:21
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winggundamth_what is the benefit of lvm over dir?03:21
winggundamth_only faster?03:22
winggundamth_cloudnull: so I found it here in aio https://github.com/openstack/openstack-ansible/blob/master/tests/roles/bootstrap-host/templates/user_variables.aio.yml.j2#L8603:23
winggundamth_cloudnull: do you think we should change this back to dir?03:25
cloudnullfor the aio its not bad. its faster which is better for testing03:25
cloudnulllvm creates a logical volume for each container03:26
winggundamth_so overlayfs2 is a Docker driver. and actually it named overlay2 but still use overlayfs kernel feature03:26
cloudnullwhich means each container has a filesystem barrier03:26
winggundamth_so it's more secure?03:27
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cloudnullyes. there have been a few exploits that did not effect an OSA deployment if the container had an LVM backend03:28
cloudnullthose were container escape exploits03:28
winggundamth_ic. that's great to know before I putting for my customer03:28
cloudnulldir is more flexible03:29
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cloudnulllvm is more secure03:29
cloudnulloverlayfs is faster03:29
cloudnullin the osic we're using all LVM backed containers.03:30
winggundamth_but what happen if the lvm partition is full?03:30
cloudnullthat can be a problem03:30
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cloudnullyou have to watch container storage consumption.03:30
cloudnullthe biggest issue can be logging03:31
winggundamth_yes. when the error comes it fills fast03:31
openstackgerritLogan V proposed openstack/openstack-ansible: WIP: ceph-ansible integration  https://review.openstack.org/40940703:31
winggundamth_and will cause you another problem when it full03:31
cloudnullit can cause a service interuption for things running on that container03:32
winggundamth_so logan works on weekend too lol03:32
cloudnullha03:32
cloudnullhttps://cloudnull.io/2016/08/checking-for-a-full-ish-disks-with-ansible/03:32
cloudnullthat's one way to query the cluster and see if hosts are getting full .03:32
cloudnullhosts and containers that is03:32
winggundamth_nice03:33
cloudnullalso the telegraf bits are able to report if containers and hosts are getting full03:33
cloudnulland its possible to setup kapaciter to alert03:33
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logan-o/ winggundamth_03:34
logan-i used to get bit by that overlayfs stuff with the neutron agents in my ci quite a bit. haven't seen it in quite a while03:34
winggundamth_hi logan-03:34
cloudnullwinggundamth_: rackspace private clouds monitors environments with the following https://github.com/rcbops/rpc-openstack/tree/master/maas/plugins03:35
cloudnullI'd like to port a lot of that into telegraf and influxdb03:35
logan-some of those plugins are pretty nice. i found them pretty reusable for my zabbix agents03:35
cloudnullncie!03:36
cloudnull**nice03:36
winggundamth_logan- is that means don't see ping problem on your neutron agent with overlayfs?03:36
cloudnullgotta run. bbl.03:37
winggundamth_cloudnull: maas? is that for Ubuntu maas plugin?03:37
logan-winggundamth_: my problem wasn't ping, but dnsmasq would occasionally fail to start. i think ive got a few comments in that bug03:37
winggundamth_cloudnull: ok ttyl03:37
winggundamth_logan-: I see. because when I'm trying to use traceroute or mtr. I found the same problem as ping too03:38
logan-:/03:38
logan-on xenial?03:38
cloudnullwinggundamth_: that's rackspace monitoring as a service https://www.rackspace.com/en-us/cloud/monitoring03:39
winggundamth_logan-: but I still can do work around by remove apparmor profile :(03:39
cloudnullok gotta run . ttyal03:39
winggundamth_logan- yes. on xenial03:39
logan-is it something you see every single build? or what % of the time? and which branch is this on?03:41
logan-would be good if you could post that all to the bug, I'll try to repro it next time I have some builds going03:41
winggundamth_100%03:41
logan-ah I see you said stable/newton in the bug03:42
winggundamth_logan- ok. I found this problem every time when I doing xenial osa aio newton on virtualbox03:42
winggundamth_logan- https://review.openstack.org/#/c/409407/ what is your plan/goal? I'm really interesting in this. I always use ceph-ansible with osa. just send pull request about improving their aio script last day :)03:44
logan-working on upstreaming the functionality i've got here https://github.com/logan2211/openstack-ansible-overlay/tree/ceph03:45
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logan-the first goal is to get the gate testing working for it and the long term will be to make it a supported deployment method in OSA03:48
winggundamth_logan- nice. let me know if I can help with sth. now I'm doing ceph-ansible on deploy node before osa with separate ansible virtualenv and group_vars config.03:51
winggundamth_it would be great if we can install both ceph and osa at the same env and config.03:52
logan-i do that currently03:53
logan-https://logan.protiumit.com/2016/08/02/openstack-ansible-ceph.html explains how03:53
winggundamth_ic. that's your overlay technique :D03:54
winggundamth_logan- so back to the overlayfs problem again. do you think should I separate another issue for ping, traceroute problem?03:58
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logan-unless you think it is unrelated to what prompted that bug report then it is probably best to keep it all in the same thread03:58
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logan-any updated info you can add will help though. id think we could get some eyes on it if its that easy to reproduce it04:03
logan-plenty of people testing newton builds right now04:03
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logan-do you work with radosgw much winggundamth_04:09
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winggundamth_logan- sorry. I don't use radosgw. I use swift :)04:22
logan-ah ok04:26
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u__Hi all here08:59
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u__I need your help08:59
u__I tried to upgrade openstack ansible AIO from Mitaka to Newton08:59
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u__but when it did os-cinder-install.yml09:01
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u__I got error : server unavailable when it did the task "Add in cinder devices types"09:02
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rsjethaniHi all, I am relatively new to openstack deployment and i am confused between kolla and openstack-ansible12:43
rsjethanican anyone guide me12:46
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stevellersjethani: what are you confused about?13:24
rsjethaniwhich one to use for deployment13:25
rsjethanidifferences?13:25
rsjethanido they both do the same thing?13:26
stevelleI'm not sure you're going to find individuals in either channel that are highly knowledgable about both at the same time so differences is likely going to be a surface comparison13:26
stevellethey both do the same thing: deploy openstack13:26
rsjethaniok stevelle13:27
rsjethaniright now I am looking for simple lab environments where I should also be able to make changes easily, add remove services..and I should able to reboot my deployment without thinking too much. Can kolla give me what I want. Thank a lot13:27
rsjethaniI am actually looking for some replacement of devstack because many a time I have to shutdown devstack vm then upon restart I have to run stack.sh agin which takes quite sometime13:27
stevelleI don't know if kolla reboots cleanly.13:29
stevelleor rather, how cleanly13:29
rsjethaniok13:29
rsjethaniwhat about OSA?13:30
rsjethanifor the same use case13:31
stevelleOSA uses a galera cluster for the RDBMS. If you shutdown or reboot the host(s) you will need to recover the cluster, even if it is a single node. http://docs.openstack.org/developer/openstack-ansible/newton/developer-docs/ops-galera-recovery.html13:32
rsjethaniok. is it possible to have a very simple deployment with just core services no cluster no high availability...etc.etc.13:35
stevelleyou can choose which services you want to deploy, and we have a predefined "All-in-one" single-node deploy configuration you can customize as needed.13:37
stevellehttp://docs.openstack.org/developer/openstack-ansible/developer-docs/quickstart-aio.html13:37
stevelleit still deploys messaging and database services configured as if it was a clustered deploy, the cluster is just 1 node though.13:38
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mrdaMorning OSA20:40
u__hello all20:55
u__anyone can tell me why I got this error : ERROR: The server is currently unavailable in the task [os_cinder : Add in cinder devices types] please ?20:56
u__I have all cinder services started20:57
u__and running20:57
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whiteveilhey guys, im looking to clean up some files from the ubuntu sec role, 8gb instance on aws full within like 30 mins23:59

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