group.of.nepali.translators team mailing list archive

[Andreas Hasenack <2006508@xxxxxxxxxxxxxxxxxx>]

** Also affects: ubuntu-advantage-tools (Ubuntu Xenial)
   Importance: Undecided
       Status: New

** Also affects: ubuntu-advantage-tools (Ubuntu Jammy)
   Importance: Undecided
       Status: New

** Also affects: ubuntu-advantage-tools (Ubuntu Focal)
   Importance: Undecided
       Status: New

** Also affects: ubuntu-advantage-tools (Ubuntu Bionic)
   Importance: Undecided
       Status: New

** Also affects: ubuntu-advantage-tools (Ubuntu Lunar)
   Importance: Undecided
       Status: New

** Also affects: ubuntu-advantage-tools (Ubuntu Kinetic)
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/2006508

Title:
  /usr/lib/ubuntu-advantage/esm_cache.py:RuntimeError:/usr/lib/ubuntu-
  advantage/esm_cache.py@22:main:update_esm_caches:is_current_series_lts:get_platform_info

Status in ubuntu-advantage-tools package in Ubuntu:
  New
Status in ubuntu-advantage-tools source package in Xenial:
  New
Status in ubuntu-advantage-tools source package in Bionic:
  New
Status in ubuntu-advantage-tools source package in Focal:
  New
Status in ubuntu-advantage-tools source package in Jammy:
  New
Status in ubuntu-advantage-tools source package in Kinetic:
  New
Status in ubuntu-advantage-tools source package in Lunar:
  New

Bug description:
  [Original Description]

  The Ubuntu Error Tracker has been receiving reports about a problem regarding ubuntu-advantage-tools.  This problem was most recently seen with package version 27.13.3~22.04.1, the problem page at https://errors.ubuntu.com/problem/40e03a6c527c3448d3cebf9af7558e3f64887e4d contains more details, including versions of packages affected, stacktrace or traceback, and individual crash reports.
  If you do not have access to the Ubuntu Error Tracker and are a software developer, you can request it at http://forms.canonical.com/reports/.

  [Impact]

  User will see a degrade state on systemd because the `esm_cache` job
  will fail, since it cannot properly parse /etc/os-release.

  This is probably affecting releases that are ubuntu based, and not
  Ubuntu itself.

  [ Test Case ]

  Scenario 1:

  1) Launch a LXD container with an affected Ubuntu release
  2) Install the Pro client version with the fix
  3) Modify /etc/os-release so that we don't have the fields VERSION, VERSION_CODENAME and VERSION_ID
  4) Run the esm_cache job and verify that it doesn't break anymore
  5) Check /var/log/ubuntu-advantage.log to see that we have alerted the user about this scenario

  Scenario 2:

  1) Launch a LXD container with an affected Ubuntu release
  2) Install the Pro client version with the fix
  3) Modify /etc/os-release so that we don't have the fields VERSION_CODENAME and VERSION_ID and change VERSION to "22.04 LTS (modified to 22.04 LTS)"
  4) Run the esm_cache job and verify that it doesn't break anymore
  5) Check /var/log/ubuntu-advantage.log to see that we have alerted the user about this scenario

  Scenario 3:

  1) Launch a LXD container with an affected Ubuntu release
  2) Install the Pro client version with the fix
  3) Modify /etc/os-release so that VERSION is set to "22.04 LTS (modified to 22.04 LTS)"
  4) Run the esm_cache job and verify that it doesn't break anymore
  5) Check /var/log/ubuntu-advantage.log to see that the job did not generated any error logs

  [ Regression potential ]

  We are modifying how we collect information from /etc/os-release. If we have a mismatch between VERSION_ID and VERSION_CODENAME from VERSION, we might now pass different information to the contract server. However, we
  believe this is low risk, as those fields should be consistent among themselves

  [ Discussion]

  Before running the esm_cache job, we check to see if the machine is an
  ESM release. To perform that check, we gather information from
  /etc/os-release. If we cannot find the require information there, we
  raise an Exception that is not being treated on the esm_cache job. We
  are now not only handling better how we extract information from
  /etc/os-release, but also making the esm_cache job more resilient to
  potential unexpected exceptions

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