[Bug 1874834] Re: Xenial builds with core18-based snaps pre-seed core snap instead

[Łukasz Zemczak]

Hello Robert, 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/2.408.59 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, what testing has been
performed on the package 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, without details of your testing we will
not be able to proceed.

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

N.B. The updated package will be released to -updates after the bug(s)
fixed by this package have been verified and the package has been in
-proposed for a minimum of 7 days.

** Changed in: livecd-rootfs (Ubuntu Xenial)
       Status: New => Fix Committed

** Tags added: verification-needed verification-needed-xenial

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https://bugs.launchpad.net/bugs/1874834

Title:
  Xenial builds with core18-based snaps pre-seed core snap instead

Status in livecd-rootfs package in Ubuntu:
  New
Status in livecd-rootfs source package in Xenial:
  Fix Committed

Bug description:
  [Impact]

   * A xenial image that preseeds a snap based on core18 will
     end up with core instead and preseeding on boot will fail.

  
  [Test Case]

   * Add a binary hook that pre-seeds lxd (which recently moved to a
     core18 base).  Ensure the snapd and core18 are pulled in by the
     build and core is not present.  Boot the image and ensure
     pre-seeding is successful.

  [Regression Potential]

   * Images with pre-seeded snaps regress in some fashion.  We will need
     to check these builds but there are no pre-seeded snaps in the
     livecd-rootfs tree for Xenial so this is a low risk change.

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