[Bug 1842508] Autopkgtest regression report (update-notifier/3.168.12)

[Ubuntu SRU Bot]

All autopkgtests for the newly accepted update-notifier (3.168.12) for xenial have finished running.
The following regressions have been reported in tests triggered by the package:

update-notifier/3.168.12 (ppc64el, amd64, arm64, s390x, armhf, i386)
update-manager/1:16.04.17 (armhf)


Please visit the excuses page listed below and investigate the failures, proceeding afterwards as per the StableReleaseUpdates policy regarding autopkgtest regressions [1].

https://people.canonical.com/~ubuntu-archive/proposed-
migration/xenial/update_excuses.html#update-notifier

[1] https://wiki.ubuntu.com/StableReleaseUpdates#Autopkgtest_Regressions

Thank you!

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https://bugs.launchpad.net/bugs/1842508

Title:
  motd messaging changes regarding apt updates

Status in update-notifier package in Ubuntu:
  Fix Released
Status in update-notifier source package in Trusty:
  Fix Released
Status in update-notifier source package in Xenial:
  Fix Committed
Status in update-notifier source package in Bionic:
  Fix Committed

Bug description:
  [Impact]
  Changes to wording regarding the ESM support available for Trusty. Additionally, reorder command output after UX review.

  [Test Case]
  test_motd.py has unit tests for all of the combinations of upgrade types possible. It's also possible to run "/usr/lib/update-notifier/apt-check --human-readable" on a system with ESM configured (enabled or disabled).
  #!/bin/bash

  #
  # SRU Verification update-notifier + ubuntu=advantage-tools
  # Test procedure:
  # - launch container Trusty, Xenial or Bionic
  # - Install ubuntu-advantage-tools from https://launchpad.net/~ua-client/+archive/ubuntu/proposed which supports esm on trusty, xenial, bionic, and focal
  # - Attach container to UA subscription (which activates the ESM APT repos
  # - run apt_check --human-readable to assert ESM pkg counts ARE NOT reported
  # - Upgrade update-notifier to -proposed
  # - re-run apt_check --human-readable to assert ESM pkg counts ARE reported

  set -e
  UA_TOKEN=$1
  if [ -z "$1" ]; then
   echo "Usage: $0 <contractTOKEN>"
   exit 1
  fi
  # sources:
  #   ua.proposed:
  #      source: deb http://ppa.launchpad.net/canonical-server/ua-client-daily/ubuntu \$RELEASE main
  #      keyid: 94E187AD53A59D1847E4880F8A295C4FB8B190B7

  cat > test-uru.yaml <<EOF
  #cloud-config
  ssh_import_id: [chad.smith]
  package_update: true
  package_upgrade: true
  apt:
    sources:
        ua.proposed: deb http://ppa.launchpad.net/ua-client/proposed/ubuntu \$RELEASE main
        keyid: 6E34E7116C0BC933
  EOF


  
  cat > setup_proposed.sh <<EOF                                                   
  #/bin/bash                                                                      
  mirror=http://archive.ubuntu.com/ubuntu                                         
  echo deb \$mirror \$(lsb_release -sc)-proposed main | tee /etc/apt/sources.list.d/proposed.list
  apt-get update -q                                                               
  apt-get install -qy update-notifier
  EOF   

  wait_for_boot() {
    local vm=$1 release=$2
    echo "--- Wait for cloud-init to finish"
    sleep 5
      lxc exec ${vm} -- cloud-init status --wait --long                           
  }

  for release in xenial bionic focal; do
    echo "--- BEGIN $release update-notifier testing"
    vm=test-sru-$release
    echo "--- Launch cloud-init with ppa:ua-client/proposed enabled"
    lxc launch ubuntu-daily:${release} ${vm} -c user.user-data="$(cat test-un.yaml)"
    wait_for_boot ${vm} ${release}
    echo "--- Attach Ubuntu-Advantage, enabling services"
    lxc exec ${vm} -- ua attach ${UA_TOKEN}
    echo "--- Check Original MOTD output from apt_check before upgrade"
    lxc exec ${vm} -- /usr/lib/update-notifier/apt-check --human-readable
    echo "--- Upgrade update-notifier from -proposed"
    lxc file push setup_proposed.sh ${vm}/
    lxc exec ${vm} -- bash /setup-proposed.sh | grep update-notifier
    echo "--- Check upadate-notifier(-proposed) MOTD output from apt_check after upgrade"
    lxc exec ${vm} -- /usr/lib/update-notifier/apt-check --human-readable
  done

  
  [Regression Potential]
  Only strings are changing in this update and this could be considered a follow up SRU to bug 1822340 which created no issues.

  [Notice]
  This is only being SRU'ed to Ubuntu 14.04 (as with the previous SRU) as Ubuntu 16.04 and Ubuntu 18.04 will have some additional changes.

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