Public bug reported: I've been working for some time on having livecd-rootfs be able to build buildd chroots. This has a few immediate advantages: it makes the process of building those chroots more transparent and reproducible, reduces the pressure on the single person currently responsible for managing chroots across all architectures, and allows for a less frustrating chroot update process since I added a facility to Launchpad last year for updating chroots from a livefs build which will be a fast API operation rather than something requiring uploading several hundred megabytes to Launchpad and frequently timing out. I expect that in the future it can also allow us to have separate chroots for e.g. -updates at relatively low cost, which will make builds for stable series substantially faster as they won't need to apply a large and growing set of upgrades at the start of nearly every build.
We also have a more recent requirement to build LXD images in order that we can converge with the images used by snapcraft, and so that we can use them directly in Launchpad livefs and snap builds rather than having to convert chroots on the fly. Fortunately it's quite easy to convert buildd chroots into images usable by LXD, and for now I've simply translated the approach currently used in launchpad-buildd to do the conversion on the fly. Particularly in order to assist with snapcraft convergence but also so that we can improve build performance for the heavily-used LTS series, I'd like to backport this support to xenial and bionic. Most of it has been in disco for a while now, with some recent tweaks. [Test Case] We'll want to run livefs builds in Launchpad with appropriate configuration, similar to https://launchpad.net/~ubuntu- cdimage/+livefs/ubuntu/disco/buildd, and probably then test on dogfood or similar before unleashing them on production. [Regression Potential] The patch is substantially just adding another subproject type so I'm not too concerned, but of course we should check that a couple of other build types still work. ** Affects: livecd-rootfs (Ubuntu) Importance: High Assignee: Colin Watson (cjwatson) Status: Fix Released ** Affects: livecd-rootfs (Ubuntu Xenial) Importance: High Assignee: Colin Watson (cjwatson) Status: In Progress ** Affects: livecd-rootfs (Ubuntu Bionic) Importance: High Assignee: Colin Watson (cjwatson) Status: In Progress ** Also affects: livecd-rootfs (Ubuntu Xenial) Importance: Undecided Status: New ** Also affects: livecd-rootfs (Ubuntu Bionic) Importance: Undecided Status: New ** Changed in: livecd-rootfs (Ubuntu) Status: New => Fix Released ** Changed in: livecd-rootfs (Ubuntu) Importance: Undecided => High ** Changed in: livecd-rootfs (Ubuntu) Assignee: (unassigned) => Colin Watson (cjwatson) ** Changed in: livecd-rootfs (Ubuntu Xenial) Status: New => In Progress ** Changed in: livecd-rootfs (Ubuntu Xenial) Importance: Undecided => High ** Changed in: livecd-rootfs (Ubuntu Xenial) Assignee: (unassigned) => Colin Watson (cjwatson) ** Changed in: livecd-rootfs (Ubuntu Bionic) Status: New => In Progress ** Changed in: livecd-rootfs (Ubuntu Bionic) Importance: Undecided => High ** Changed in: livecd-rootfs (Ubuntu Bionic) Assignee: (unassigned) => Colin Watson (cjwatson) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1815251 Title: Build buildd images To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/livecd-rootfs/+bug/1815251/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
