[SRU] Release "minimized round 2" changes to Xenial

"Regression potential" section is inaccurate, there are changes here that remove files from all images and a change which should be a functional no-op that is applied to all image builds. We should have some analysis here of what a probable regression from these changes would look like.

Regression potential section updated.

This was fixed in bionic/devel in livecd-rootfs 2.482

Here's a link to proof that it was actually fixed in 2.482 rather than somebody just saying it was. ;-)

https://launchpad.net/ubuntu/+source/livecd-rootfs/2.482

Hello Chris, or anyone else affected,

Accepted livecd-rootfs into xenial-proposed. The package will build now and be available at https://launchpad.net/ubuntu/+source/livecd-rootfs/2.408.23 in a few hours, and then in the -proposed repository.

Please help us by testing this new package. See https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how to enable and use -proposed.Your feedback will aid us getting this update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug, mentioning the version of the package you tested and change the tag from verification-needed-xenial to verification-done-xenial. If it does not fix the bug for you, please add a comment stating that, and change the tag to verification-failed-xenial. In either case, details of your testing will help us make a better decision.

Further information regarding the verification process can be found at https://wiki.ubuntu.com/QATeam/PerformingSRUVerification . Thank you in advance!

Hello Chris, or anyone else affected,

Accepted livecd-rootfs into xenial-proposed. The package will build now and be available at https://launchpad.net/ubuntu/+source/livecd-rootfs/2.408.24 in a few hours, and then in the -proposed repository.

Please help us by testing this new package. See https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how to enable and use -proposed.Your feedback will aid us getting this update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug, mentioning the version of the package you tested and change the tag from verification-needed-xenial to verification-done-xenial. If it does not fix the bug for you, please add a comment stating that, and change the tag to verification-failed-xenial. In either case, details of your testing will help us make a better decision.

Further information regarding the verification process can be found at https://wiki.ubuntu.com/QATeam/PerformingSRUVerification . Thank you in advance!

Built a minimized image with https://launchpad.net/ubuntu/+source/livecd-rootfs/2.408.24 and could confirm that the changes are indeed present and that the image boots and behaves normally.

Marking verified.

This bug was fixed in the package livecd-rootfs - 2.408.24

---------------
livecd-rootfs (2.408.24) xenial; urgency=medium

  * For the IMAGEFORMAT=none parts to work for ubuntu-image classic builds, we
    need to make sure IMAGEFORMAT is preserved and not overwritten if defined.
    Backporting from artful.

livecd-rootfs (2.408.23) xenial; urgency=medium

  [ Gary Wang ]
  * Add the IMAGEFORMAT=none to support generating a single rootfs
    (LP: #1730642)

  [ Christopher Glass (Ubuntu) ]
  * Backport "minimized round 2" changes from trunk to Xenial (LP: #1731492)
  * Remove apt, debconf, dpkg cruft files from /var/cache and /var/lib in
    all our livefses.
  * Pass --cache false to lb config; otherwise we copy around caches of
    .debs that are never used properly, and which prevent us from emptying
    /var/cache/apt in images.
  * When building minimized cloud images, remove various packages that we
    don't want installed by default. Some are tools that aren't needed for
    non-interactive use; some are libraries whose reverse-dependencies
    will have already been removed; and one, open-vm-tools, should only be
    included in images that are targeted to VMWare (which is not the case
    for any of the current minimal images), rather than being included
    directly in the cloud-image seed.

 -- Łukasz 'sil2100' Zemczak <email address hidden> Tue, 21 Nov 2017 17:01:14 +0100

The verification of the Stable Release Update for livecd-rootfs has completed successfully and the package has now been released to -updates. Subsequently, the Ubuntu Stable Release Updates Team is being unsubscribed and will not receive messages about this bug report. In the event that you encounter a regression using the package from -updates please report a new bug using ubuntu-bug and tag the bug report regression-update so we can easily find any regressions.