[Bug 1477626] Re: adt-setup-vm modifies cloud-init's conffile but doesn't handle dpkg conffile prompts

[Launchpad Bug Tracker]

This bug was fixed in the package autopkgtest - 3.16.3

---------------
autopkgtest (3.16.3) unstable; urgency=medium

  * adt-setup-vm: Use /etc/cloud.cfg.d/ to avoid conffile prompts on upgrades.
    (LP: #1477626)
  * Don't invoke QEMU with -localtime. QEMU defaults to and Linux prefers the
    hw clock in UTC. This avoids large time jumps when doing NTP.
  * adt-setup-vm: Start autopkgtest shell after all other SysV init
    scripts/facilities, to avoid a too early start of tests while boot is
    still in progress.
  * doc/README.package-tests.rst: Use comma separator in examples.
  * VirtSubproc.check_exec(): Actually error out on stderr as documented.
  * adt-virt-ssh: Verify that sudo does not write errors, as that
    interferes with auxverbs and generally is a sign of host mis-configuration
    (typically wrong hostname).
  * ssh-setup-nova: Set hostname to "adt". This avoids overly long host names
    from defaulting to nova instance names (which can be very long).
  * ssh-setup/nova: Fix parsing of IP address from "nova show" to avoid
    tripping over instance names containing "network". (LP: #1481574)
  * Fix error message and code for "invalid test depends" errors.
  * tests/pep8: Ignore E402 ("module level import not at top of file"), as
    that's impossible to satisfy; we have to set sys.path before.
  * ssh-setup/nova: In cleanup(), wait until the instance gets deleted. This
    avoids name collisions and instance quota overflow.
  * adt-run: Always show summary at the end, which is particularly helpful for
    multiple tests. (LP: #1484991)
  * adt-run.1: Clarify that without any logging options adt-run only logs to
    stderr. (LP: #1485661)
  * adt-virt-lxc: If the executed command exits with 255, translate that to
    253 in the auxverb wrapper, as 255 is the exit code for failures of the
    auxverb itself. This avoids considering ordinary test failures as
    temporary testbed failures.
  * adt-run: Show host name, to more easily identify hosts with frequent
    failures.
  * adt-virt-lxc: Always call lxc-stop with --kill, as the containers are not
    precious and normal shutdown might hang.
  * adt-virt-lxc: In cleanup, stop LXC container before removing the shared
    downtmp, to ensure that we always clean up the running container. Also
    don't fail on errors. (LP: #1488879)
  * ssh-setup/nova: Add missing apt sources for -updates/-security
    restricted/multiverse pockets.

 -- Martin Pitt <mpitt at debian.org>  Thu, 27 Aug 2015 19:54:51 +0200

** Changed in: autopkgtest (Ubuntu)
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1477626

Title:
  adt-setup-vm modifies cloud-init's conffile but doesn't handle dpkg
  conffile prompts

Status in autopkgtest package in Ubuntu:
  Fix Released

Bug description:
  This

  if [ -e "$root/etc/cloud/cloud.cfg" ]; then
      echo 'apt_preserve_sources_list: true' >> "$root/etc/cloud/cloud.cfg"
  fi

  modifies a conffile, and this

  # upgrade, install some necessary packages
  chroot "$root" apt-get update
  [ "${ADT_SETUP_VM_UPGRADE:-}" = false ] || DEBIAN_FRONTEND=noninteractive chroot "$root" apt-get -y dist-upgrade

  updates the system later on. If there's a new cloud-init at this point
  we get a conffile prompt, as you can see here.

  http://jenkins.qa.ubuntu.com/job/wily-adt-setup-
  testbed/ARCH=i386,label=aldebaran-adt/63/console

  This causes the script to bomb out, and eventually resulted in

  https://jenkins.qa.ubuntu.com/view/Wily/view/AutoPkgTest/job/wily-adt-
  udisks2/ARCH=amd64,label=adt/48/console

  because -extra- wasn't installed (this happens later on in the
  script).

  I suppose we need to add force-conffoo to dpkg.cfg.d.

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