Monday, 2013-11-11

lifelessSpamapS: HPCS have a mellanox driver update00:01
lifelessSpamapS: https://jira.hpcloud.net/browse/LNV-45200:02
SpamapSlifeless: hey btw, do we have a place to point people who want to use TripleO to deploy a cloud for limited use (like, they don't care about security, they just want to test openstacky stuff for a few weeks)00:04
SpamapSlifeless: devtest still the best place for that?00:05
lifelesspretty good yeah00:05
lifelessalso of course the tripleo-cd script :)00:05
SpamapSgood point. :)00:06
lifelesshttp://www.mellanox.com/page/mlnx_ofed_eula?mtag=linux_sw_drivers&mrequest=downloads&mtype=ofed&mver=MLNX_OFED-2.0-3.0.0&mname=MLNX_OFED_LINUX-2.0-3.0.0-ubuntu12.04-x86_64.iso00:07
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Ng(fwiw, I'm not around today or tomorrow, travelling back from .hk)00:39
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lifelesswoo02:12
lifelesstwo in a row.02:12
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mariosnice http://russellbryant.net/openstack-stats/tripleo-openreviews.html07:21
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GheRiverofmorning all07:37
pblahomorning07:38
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rpodolyakamorning tripleo08:05
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rpodolyakacd cloud works again, cool ;)08:37
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SpamapSrpodolyaka: it is hit or miss08:53
rpodolyakaohh :(08:53
rpodolyakaI thought someone fixed it during the summit08:53
SpamapSno, I'm starting to think it may be hardware related08:57
SpamapSrpodolyaka: we need to start instrumenting which machines are used.. my supposition is that it fails when a certain machine is the controller08:58
lifelessperhaps just logstash + elasticsearch?09:04
rpodolyakahmm, interesting09:04
hewbroccaWe really need logstash + elasticsearch for the undercloud in general (for the management stuff)09:05
hewbroccadebugging the tuskar demo for the weeks we spent getting it ready was... painful09:06
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openstackgerritJan Provaznik proposed a change to openstack/diskimage-builder: Remove BUSYBOX variable from ramdisk-defaults  https://review.openstack.org/5584513:36
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openstackgerritPetr Blaho proposed a change to openstack/tuskar: Removes Travis mentions  https://review.openstack.org/5584814:00
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openstackgerritA change was merged to openstack/tuskar: Removes Travis mentions  https://review.openstack.org/5584814:15
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* mordred really likes the above two lines14:29
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sdake_lifeless still sleeping15:08
sdake_?15:08
openstackgerritJenkins proposed a change to openstack/os-apply-config: Updated from global requirements  https://review.openstack.org/5585615:14
openstackgerritJenkins proposed a change to openstack/os-collect-config: Updated from global requirements  https://review.openstack.org/5585715:14
openstackgerritJenkins proposed a change to openstack/os-refresh-config: Updated from global requirements  https://review.openstack.org/5585815:14
openstackgerritA change was merged to openstack/diskimage-builder: Remove BUSYBOX variable from ramdisk-defaults  https://review.openstack.org/5584515:17
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sdakeSpamapS you around16:21
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SpamapSsdake: around off and on today, home with the kids for vet's day. Wassup?16:51
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sdakeSpamapS on phone - wanted to mention virt-builder to you17:17
SpamapSsdake: IIRC there was a reason we chose not to use the guestfs approach17:19
SpamapSI was not around when that investigation happened tho17:20
SpamapSsdake: reading the manual.. the VM requirement is pretty much dead to us. :-P17:22
SpamapSsdake: and UML... that seems like a joke. ;)17:22
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sdakewhich vm requirement17:30
sdakeya uml optional17:30
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SpamapSsdake: what I'm reading here is that anything that would require root has to spin up in a VM17:30
SpamapS"--install, --run and --run-command are implemented using an appliance (a small virtual machine) so these commands do not run on the host"17:31
SpamapShttp://libguestfs.org/virt-builder.1.html17:31
SpamapSsdake: it does look like a parallel effort with similar goals17:32
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slaglesupport could probably be added to virt-builder for dib elements17:38
slaglelooks like some of the command options there are very similar to what we do in elements17:38
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sdakeon phone bbiaf :)17:43
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hewbroccaSpamapS: the nice thing about virt-builder is it doesn't require either root or loopback mounting17:49
hewbroccaand it appears, at the moment anyway, to be faster than d-i-b for equivalent operations17:50
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hewbroccaBut... sdake knows much more about it than I do17:50
hewbroccaso I will pipe down17:50
sdakeSpamapS one thing that virt-builder has done that I think oz suffered from is closed the performance gap17:54
sdakeit is same perf as dib17:54
sdakeanyway just found out about it friday - wasn't sure if you were aware of it so sharing the info17:54
sdakeif you have a chance you might give it a spin17:54
sdakein your copious spare time17:55
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SpamapSsdake: yeah it might be worth joining efforts or at least stealing the approach :)18:00
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sdakeSpamapS not really clear on how it works, but I wrote a tool to make use of it like the dib tool before:https://github.com/sdake/heat-vb18:20
sdakeSpamapS yes I believe it spins up a vm18:20
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lifelesssdake_: 0400? yes, still sleeping19:37
sdakelifeless wanted to point out virt-builder which I discovered friday19:38
sdakeif you get a chance have a look19:38
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lifelesssdake: nice19:42
lifelesssdake: we could do an experiment with that as a plumbing layer for regular images; would need work for partition images and ramdisks though.19:42
lifelesssdake: the elements layer is still unique, and IMNSHO valuable19:43
sdakelifeless bit out of my area of expertise - could you provide a bit more detail on the partition images and ramdisks part?19:47
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lifelesssdake: nova baremetal images are split AKI/ARI/AMI rather than an AMI with built in partition table19:59
lifelesssdake: the ramdisk (ramdisk-image-create) is how we build provisioning ramdisks (or boot from net ramdisks)19:59
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sdakeAKI/ARI/AMI = what?20:01
lifelesshttp://docs.openstack.org/grizzly/openstack-image/content/ch_introduction.html20:12
sdakertfm thanks :)20:12
lifeless:)20:12
sdakeso you build separate ramdisks, separate kernels, seperate root fs, and then compose them in different ways to get different things?20:14
sdakeI guess I've only used glance with qcow220:15
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lifelesssdake: yup20:18
lifelessto deploy a physical machine we need 5 glance images: deploy kernel, deploy ramdisk, user kernel, user ramdisk, partition image.20:18
sdakewhat is advantage of that over one image with all the things?20:19
lifelessthe user shouldn't know (or have access to) the deployment logic20:20
lifelessthat runs with privileged access within the datacentre (not currently enforced, but once neutron grows more baremetal support)20:20
lifelessso thats the (deploy kernel, deploy ramdisk) pairing20:20
lifelessas for the user side stuff, we controll the partition table20:21
lifelesswhich lets us implement swap size and ephemeral partition size from the flavor without having to parse or process the user image partition table20:21
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sdakethat makes sense - what is advantage of user kernel/user ramdisk?20:23
lifelessit's a consequence of that20:23
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lifelessotherwise we'd have no way of booting the machine :)20:23
sdakecouldn't the user partition+ramdisk+kernel all be rolled into one qcow2?20:24
lifelessthen we'd be processing it's partition table and doing a merge with the flavor definition20:24
lifelessin virt machines swap and ephemeral are just additional attached block devices20:24
lifelesswe probably will want  ironic to support whole disk images at some point20:27
lifelessI'm not arguing against them, just highlighting the benefits the current approach brought in terms of robustness and simplicity20:27
lifelessjog0: hey so20:27
sdakelifeless thanks for the info20:29
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jog0lifeless: o/20:31
lifelesssdake: anytime20:35
lifelessjog0: wondering if I can hand-off my preserve-ephemeral WIP to you ?20:35
lifelessjog0: I have techcon reviews all this week, so I won't be getting any non-trivial team-work done20:36
jog0lifeless: sure20:39
jog0lifeless: what are the links?20:39
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lifelessjog0: I'll rebase it, sec21:06
lifelessjog0: https://review.openstack.org/#/c/51735/5 and follow the dependencies upwards21:09
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jog0lifeless: thanks21:21
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