lifeless | SpamapS: HPCS have a mellanox driver update | 00:01 |
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lifeless | SpamapS: https://jira.hpcloud.net/browse/LNV-452 | 00:02 |
SpamapS | lifeless: 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 |
SpamapS | lifeless: devtest still the best place for that? | 00:05 |
lifeless | pretty good yeah | 00:05 |
lifeless | also of course the tripleo-cd script :) | 00:05 |
SpamapS | good point. :) | 00:06 |
lifeless | http://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.iso | 00:07 |
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Ng | (fwiw, I'm not around today or tomorrow, travelling back from .hk) | 00:39 |
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lifeless | woo | 02:12 |
lifeless | two in a row. | 02:12 |
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marios | nice http://russellbryant.net/openstack-stats/tripleo-openreviews.html | 07:21 |
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GheRivero | fmorning all | 07:37 |
pblaho | morning | 07:38 |
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rpodolyaka | morning tripleo | 08:05 |
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rpodolyaka | cd cloud works again, cool ;) | 08:37 |
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SpamapS | rpodolyaka: it is hit or miss | 08:53 |
rpodolyaka | ohh :( | 08:53 |
rpodolyaka | I thought someone fixed it during the summit | 08:53 |
SpamapS | no, I'm starting to think it may be hardware related | 08:57 |
SpamapS | rpodolyaka: we need to start instrumenting which machines are used.. my supposition is that it fails when a certain machine is the controller | 08:58 |
lifeless | perhaps just logstash + elasticsearch? | 09:04 |
rpodolyaka | hmm, interesting | 09:04 |
hewbrocca | We really need logstash + elasticsearch for the undercloud in general (for the management stuff) | 09:05 |
hewbrocca | debugging the tuskar demo for the weeks we spent getting it ready was... painful | 09:06 |
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openstackgerrit | Jan Provaznik proposed a change to openstack/diskimage-builder: Remove BUSYBOX variable from ramdisk-defaults https://review.openstack.org/55845 | 13:36 |
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openstackgerrit | Petr Blaho proposed a change to openstack/tuskar: Removes Travis mentions https://review.openstack.org/55848 | 14:00 |
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openstackgerrit | A change was merged to openstack/tuskar: Removes Travis mentions https://review.openstack.org/55848 | 14:15 |
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sdake_ | lifeless still sleeping | 15:08 |
sdake_ | ? | 15:08 |
openstackgerrit | Jenkins proposed a change to openstack/os-apply-config: Updated from global requirements https://review.openstack.org/55856 | 15:14 |
openstackgerrit | Jenkins proposed a change to openstack/os-collect-config: Updated from global requirements https://review.openstack.org/55857 | 15:14 |
openstackgerrit | Jenkins proposed a change to openstack/os-refresh-config: Updated from global requirements https://review.openstack.org/55858 | 15:14 |
openstackgerrit | A change was merged to openstack/diskimage-builder: Remove BUSYBOX variable from ramdisk-defaults https://review.openstack.org/55845 | 15:17 |
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sdake | SpamapS you around | 16:21 |
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SpamapS | sdake: around off and on today, home with the kids for vet's day. Wassup? | 16:51 |
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sdake | SpamapS on phone - wanted to mention virt-builder to you | 17:17 |
SpamapS | sdake: IIRC there was a reason we chose not to use the guestfs approach | 17:19 |
SpamapS | I was not around when that investigation happened tho | 17:20 |
SpamapS | sdake: reading the manual.. the VM requirement is pretty much dead to us. :-P | 17:22 |
SpamapS | sdake: and UML... that seems like a joke. ;) | 17:22 |
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sdake | which vm requirement | 17:30 |
sdake | ya uml optional | 17:30 |
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SpamapS | sdake: what I'm reading here is that anything that would require root has to spin up in a VM | 17:30 |
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 |
SpamapS | http://libguestfs.org/virt-builder.1.html | 17:31 |
SpamapS | sdake: it does look like a parallel effort with similar goals | 17:32 |
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slagle | support could probably be added to virt-builder for dib elements | 17:38 |
slagle | looks like some of the command options there are very similar to what we do in elements | 17:38 |
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sdake | on phone bbiaf :) | 17:43 |
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hewbrocca | SpamapS: the nice thing about virt-builder is it doesn't require either root or loopback mounting | 17:49 |
hewbrocca | and it appears, at the moment anyway, to be faster than d-i-b for equivalent operations | 17:50 |
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hewbrocca | But... sdake knows much more about it than I do | 17:50 |
hewbrocca | so I will pipe down | 17:50 |
sdake | SpamapS one thing that virt-builder has done that I think oz suffered from is closed the performance gap | 17:54 |
sdake | it is same perf as dib | 17:54 |
sdake | anyway just found out about it friday - wasn't sure if you were aware of it so sharing the info | 17:54 |
sdake | if you have a chance you might give it a spin | 17:54 |
sdake | in your copious spare time | 17:55 |
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SpamapS | sdake: yeah it might be worth joining efforts or at least stealing the approach :) | 18:00 |
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sdake | SpamapS 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-vb | 18:20 |
sdake | SpamapS yes I believe it spins up a vm | 18:20 |
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lifeless | sdake_: 0400? yes, still sleeping | 19:37 |
sdake | lifeless wanted to point out virt-builder which I discovered friday | 19:38 |
sdake | if you get a chance have a look | 19:38 |
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lifeless | sdake: nice | 19:42 |
lifeless | sdake: 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 |
lifeless | sdake: the elements layer is still unique, and IMNSHO valuable | 19:43 |
sdake | lifeless 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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lifeless | sdake: nova baremetal images are split AKI/ARI/AMI rather than an AMI with built in partition table | 19:59 |
lifeless | sdake: the ramdisk (ramdisk-image-create) is how we build provisioning ramdisks (or boot from net ramdisks) | 19:59 |
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sdake | AKI/ARI/AMI = what? | 20:01 |
lifeless | http://docs.openstack.org/grizzly/openstack-image/content/ch_introduction.html | 20:12 |
sdake | rtfm thanks :) | 20:12 |
lifeless | :) | 20:12 |
sdake | so you build separate ramdisks, separate kernels, seperate root fs, and then compose them in different ways to get different things? | 20:14 |
sdake | I guess I've only used glance with qcow2 | 20:15 |
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lifeless | sdake: yup | 20:18 |
lifeless | to deploy a physical machine we need 5 glance images: deploy kernel, deploy ramdisk, user kernel, user ramdisk, partition image. | 20:18 |
sdake | what is advantage of that over one image with all the things? | 20:19 |
lifeless | the user shouldn't know (or have access to) the deployment logic | 20:20 |
lifeless | that runs with privileged access within the datacentre (not currently enforced, but once neutron grows more baremetal support) | 20:20 |
lifeless | so thats the (deploy kernel, deploy ramdisk) pairing | 20:20 |
lifeless | as for the user side stuff, we controll the partition table | 20:21 |
lifeless | which lets us implement swap size and ephemeral partition size from the flavor without having to parse or process the user image partition table | 20:21 |
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sdake | that makes sense - what is advantage of user kernel/user ramdisk? | 20:23 |
lifeless | it's a consequence of that | 20:23 |
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lifeless | otherwise we'd have no way of booting the machine :) | 20:23 |
sdake | couldn't the user partition+ramdisk+kernel all be rolled into one qcow2? | 20:24 |
lifeless | then we'd be processing it's partition table and doing a merge with the flavor definition | 20:24 |
lifeless | in virt machines swap and ephemeral are just additional attached block devices | 20:24 |
lifeless | we probably will want ironic to support whole disk images at some point | 20:27 |
lifeless | I'm not arguing against them, just highlighting the benefits the current approach brought in terms of robustness and simplicity | 20:27 |
lifeless | jog0: hey so | 20:27 |
sdake | lifeless thanks for the info | 20:29 |
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jog0 | lifeless: o/ | 20:31 |
lifeless | sdake: anytime | 20:35 |
lifeless | jog0: wondering if I can hand-off my preserve-ephemeral WIP to you ? | 20:35 |
lifeless | jog0: I have techcon reviews all this week, so I won't be getting any non-trivial team-work done | 20:36 |
jog0 | lifeless: sure | 20:39 |
jog0 | lifeless: what are the links? | 20:39 |
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lifeless | jog0: I'll rebase it, sec | 21:06 |
lifeless | jog0: https://review.openstack.org/#/c/51735/5 and follow the dependencies upwards | 21:09 |
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jog0 | lifeless: thanks | 21:21 |
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