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

[ethan.hsieh]

@Balint

Here is my test result: (InstallOnShutdown:true)

Packages will be installed when rebooting system.
I rebooted system five times, but system still didn't finish the update.
It took too long to finish online update.

Timestamp: (reboot system)
1. 2017-09-14 13:57:00,998
2. 2017-09-14 14:32:26,172
3. 2017-09-14 15:20:41,267
4. 2017-09-14 16:00:18,694
5. 2017-09-14 16:36:47,174 
(Please check full log as attached)

$ apt-config dump
Unattended-Upgrade::InstallOnShutdown "true";

Installed packages:
apt_1.2.25-rbalint2_amd64.deb
apt-doc_1.2.25-rbalint2_all.deb
apt-transport-https_1.2.25-rbalint2_amd64.deb
apt-utils_1.2.25-rbalint2_amd64.deb
libapt-inst2.0_1.2.25-rbalint2_amd64.deb
libapt-pkg5.0_1.2.25-rbalint2_amd64.deb
libapt-pkg-doc_1.2.25-rbalint2_all.deb
unattended-upgrades_0.96ubuntu1-16.04.1_all.deb


** Attachment added: "unattended-upgrades-shutdown.log, unattended-upgrades.log, apt log, and dpkg log"
   https://bugs.launchpad.net/oem-priority/+bug/1690980/+attachment/4950042/+files/log_0914_InstallOnShutdown_True.tar.gz

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https://bugs.launchpad.net/bugs/1690980

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:
  Fix Released
Status in unattended-upgrades package in Ubuntu:
  Fix Released
Status in apt source package in Xenial:
  Triaged
Status in unattended-upgrades source package in Xenial:
  New
Status in apt source package in Zesty:
  Triaged
Status in unattended-upgrades source package in Zesty:
  New

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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