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

[ethan.hsieh]

@Balint

I tried three times, and 0.95-16.04.0rbalint1 didn't work well.

Please refer to attached file for detailed log.

1) Reboot system when unattended upgrades starts to download packages.
//unattended-upgrades.log
2017-08-08 15:34:07,782 INFO Starting unattended upgrades script
2017-08-08 15:34:07,782 INFO Allowed origins are: ['o=Ubuntu,a=xenial', 'o=Ubuntu,a=xenial-security', 'o=UbuntuESM,a=xenial']
//unattended-upgrades-shutdown.log
2017-08-08 15:36:06,358 INFO - All upgrades installed

The log shows "All upgrades installed", but there is no package
installed.

2) Reboot system after unattended upgrades downloads packages for 5mins
//unattended-upgrades.log
2017-08-08 15:55:27,907 INFO Starting unattended upgrades script
2017-08-08 15:55:27,907 INFO Allowed origins are: ['o=Ubuntu,a=xenial', 'o=Ubuntu,a=xenial-security', 'o=UbuntuESM,a=xenial']

System reboots immediately. There is no unattended-upgrades-shutdown
log.

3) Reboot system when unattended upgrades starts to download packages.
//unattended-upgrades.log
2017-08-08 16:09:03,548 INFO Starting unattended upgrades script
2017-08-08 16:09:03,549 INFO Allowed origins are: ['o=Ubuntu,a=xenial', 'o=Ubuntu,a=xenial-security', 'o=UbuntuESM,a=xenial']
//unattended-upgrades-shutdown.log
2017-08-08 16:10:50,573 INFO - All upgrades installed

The log shows "All upgrades installed", but there is no package
installed.

---
The 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_0.95-16.04.0rbalint1_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/4928762/+files/log_0808.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 Committed
Status in unattended-upgrades package in Ubuntu:
  Fix Committed

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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