[Bug 1690980] Re: unattended-upgrades does not block shutdown of system, as it is designed to

[Balint Reczey]

I moved to handling TERM in u-u:
https://github.com/rbalint/unattended-upgrades/commits/master

I also attached the patch for APT which changes the KillMode and
timeout. Since this affects only apt-daily-upgrade.service and it runs
"apt.systemd.daily install" which perform minimal tasks when u-u is not
installed this should be safe change.

I've uploaded apt and u-u for testing to ppa:rbalint/scratch, please
give them a try.


** Patch added: "APT change only KillMode and timeout"
   https://bugs.launchpad.net/ubuntu/+source/apt/+bug/1690980/+attachment/4921242/+files/0001-Kill-only-the-main-process-of-apt-daily-upgrade.serv.patch

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Title:
  unattended-upgrades does not block shutdown of system, as it is
  designed to

Status in OEM Priority Project:
  Triaged
Status in OEM Priority Project xenial series:
  New
Status in apt package in Ubuntu:
  New
Status in unattended-upgrades package in Ubuntu:
  Confirmed

Bug description:
  Title: No pop-up window to warn users that system should not reboot or
  shutdown while installing security updates

  Summary:
  No pop-up window to warn users that system should not reboot or shutdown while installing security updates

  Steps:
  1. trigger unattended-upgrades
  2. reboot or shutdown system while installing packages

  Expected results: There is a pop-up window to warn users that system
  should not reboot or shutdown

  Actual results: There is no pop-up window to warn users

  Additional information:
  $ apt-cache policy unattended-upgrades
  unattended-upgrades:
    Installed: 0.90
    Candidate: 0.90ubuntu0.5
  $ lsb_release -rd
  Description:    Ubuntu 16.04 LTS

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