[Bug 1590321] Re: /usr/bin/unattended-upgrade:FileNotFoundError:/usr/bin/unattended-upgrade at 1468:main:get_dpkg_log_content

[Launchpad Bug Tracker]

This bug was fixed in the package unattended-upgrades - 0.92ubuntu3

---------------
unattended-upgrades (0.92ubuntu3) zesty; urgency=medium

  * Create the directory /var/lib/apt/periodic/, if it does not exist, so that
    we don't receive a Traceback when trying to write a stampfile there.
    (LP: #1639977)

 -- Brian Murray <brian at ubuntu.com>  Mon, 07 Nov 2016 16:07:36 -0800

** Changed in: unattended-upgrades (Ubuntu Zesty)
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/1590321

Title:
  /usr/bin/unattended-upgrade:FileNotFoundError:/usr/bin/unattended-
  upgrade at 1468:main:get_dpkg_log_content

Status in unattended-upgrades package in Ubuntu:
  Fix Released
Status in unattended-upgrades source package in Xenial:
  In Progress
Status in unattended-upgrades source package in Yakkety:
  In Progress
Status in unattended-upgrades source package in Zesty:
  Fix Released

Bug description:
  Test Case
  ---------
  1) edit /etc/apt/apt.conf.d/20auto-upgrades so that Update-Package-Lists is 1 and Unattended-Upgrade is 1
  2) sudo apt-get update
  3) sudo /usr/bin/unattended-upgrades (to update the system)
  4) sudo /usr/bin/unattended-upgrades (a second time for some reason)
  5) sudo rm /var/log/unattended-upgrades/unattended-upgrades-dpkg.log
  6) sudo /usr/bin/unattended-upgrades

  Observe the following crash:

  Traceback (most recent call last):
    File "/usr/bin/unattended-upgrade", line 1468, in <module>
      main(options)
    File "/usr/bin/unattended-upgrade", line 1406, in main
      log_content = get_dpkg_log_content(logfile_dpkg, install_start_time)
    File "/usr/bin/unattended-upgrade", line 1075, in get_dpkg_log_content
      with io.open(logfile_dpkg, encoding='utf-8') as fp:
  FileNotFoundError: [Errno 2] No such file or directory: '/var/log/unattended-upgrades/unattended-upgrades-dpkg.log'

  With the version of the package from -proposed you won't receive the
  crash in step 6 and /var/log/unattended-upgrades/unattended-upgrades-
  dpkg.log will exist.

  Original Description
  --------------------
  The Ubuntu Error Tracker has been receiving reports about a problem regarding unattended-upgrades.  This problem was most recently seen with version 0.90, the problem page at https://errors.ubuntu.com/problem/db5f0a803afdf5bb5e20a42ce68f4fda3ce0df8a contains more details.

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