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Juno nova mid-cycle meetup summary: containers

Post author:mikal
Post published:August 15, 2014
Post category:OpenStack

This is the second in my set of posts discussing the outcomes from the OpenStack nova juno mid-cycle meetup. I want to focus in this post on things related to container technologies. Nova has had container support for a while in the form of libvirt LXC. While it can be argued that this support isn't feature complete and needs more testing, its certainly been around for a while. There is renewed interest in testing libvirt LXC in the gate, and a team at Rackspace appears to be working on this as I write this. We have already seen patches from this team as they fix issues they find on the way. There are no plans to remove libvirt LXC from nova at this time. The plan going forward for LXC tempest testing is to add it as an experimental job, so that people reviewing libvirt changes can request the CI system to test LXC by using "check experimental". This hasn't been implemented yet, but will be advertised when it is ready. Once we've seen good stable results from this experimental check we will talk about promoting it to be a full blown check job in our CI system. We have…

Juno nova mid-cycle meetup summary: social issues

Post author:mikal
Post published:August 15, 2014
Post category:OpenStack

Summarizing three days of the Nova Juno mid-cycle meetup is a pretty hard thing to do - I'm going to give it a go, but just in case I miss things, there is an etherpad with notes from the meetup at https://etherpad.openstack.org/p/juno-nova-mid-cycle-meetup. I'm also going to do it in the form of a series of posts, so as to not hold up any content at all in the wait for perfection. This post covers the mechanics of each day at the meetup, reviewer burnout, and the Juno release. First off, some words about the mechanics of the meetup. The meetup was held in Beaverton, Oregon at an Intel campus. Many thanks to Intel for hosting the event -- it is much appreciated. We discussed possible locations and attendance for future mid-cycle meetups, and the consensus is that these events should "always" be in the US because that's where the vast majority of our developers are. We will consider other host countries when the mix of Nova developers change. Additionally, we talked about the expectations of attendance at these events. The Icehouse mid-cycle was an experiment, but now that we've run two of these I think they're clearly useful events. I…

Michael’s surprisingly unreliable predictions for the Havana Nova release

Post author:mikal
Post published:April 21, 2013
Post category:OpenStack

I should start out by saying that because OpenStack is an open source project, it is hard to know exactly what will land in Havana -- the developers are volunteers, and sometimes things get in the way of them doing the work they intended. However, these are the notes I wrote up on the high points of the summit for me -- I didn't see all the same sessions as other nova developers, so hopefully others will pitch in with their notes as well. Scheduler The scheduler seems to be a point of planned work for a lot of people in this release, with talk about having more scheduling code in the common library, and of adding new filter types. There is definite interest in being able to schedule by methods we don't currently support -- things like rack or PDU diversity, or trying to collocate a tenants machines together. HP is also interested in being able to sell dedicated machines to tenants -- in other words, they would guarantee that only one tenants instances appeared on a machine in return for a fee. At the moment this requires setting up a host aggregate for the tenant. Feeding additional data…