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[Launchpad Bug Tracker <2003018@xxxxxxxxxxxxxxxxxx>]

This bug was fixed in the package ubuntu-advantage-tools -
27.13.1~18.04.1

---------------
ubuntu-advantage-tools (27.13.1~18.04.1) bionic; urgency=medium

  * Backport new upstream release: (LP: #2003018) to bionic

ubuntu-advantage-tools (27.13.1~23.04.1) lunar; urgency=medium

  * apt: better isolate apt esm cache by only fetching necessary
    configuration from the system apt

ubuntu-advantage-tools (27.13~23.04.1) lunar; urgency=medium

  * d/bash-completion:
    - enable autocomplete for the 'pro' command (GH: #2280)
  * d/control:
    - update the package description
  * d/postinst:
    - remove unauthenticated esm repos from Xenial systems (LP: #1990378)
  * New upstream release 27.13 (LP: #2003018)
    - apt:
      + remove logic which added repositories and pinned them to 'never' to
        enable access to esm package lists
      + add functionality to create and update a local apt esm cache with
        the lists for esm-infra and esm-apps
    - apt-hook: update the cpp hook to use the local esm apt cache
    - apt-news:
      + fetch and display APT News in apt upgrade
      + show contract expiration notices in the apt news output
    - attach: support attaching without being able to install snapd
      (LP: #1997514)
    - cli:
      + do not show invalid subcommands in autocomplete (GH: #2279)
      + add support for attaching through the web portal, without a token
    - config: add apt_news_url option
    - docs: reorganize documentation and correct information
    - esm-apps: release the service as GA
    - jobs:
      + remove the update_status job
      + remove unused job which checks for the system EOL
    - messaging: do not fail if the apt-hook executable is not present
      (LP: #1994480)
    - motd: announce esm-apps as GA
    - security-status:
      + use the local esm cache to report updates when the services are
        disabled
      + redesign output to properly show support (LP: #2002407)
    - services: add new service to update the local esm caches
    - ros: release the service as GA
    - bug fixes:
      + report reboot_required even if 'livepatch status' fails
      + do not create unexpected environment variables when the autocomplete
        script runs
      + contract requests do not cause 'pro status' to fail
      + remove auto-attach motd message if any failure happens
      + log when 'cloud-id' fails
      + always honor the metering job timer config
      + write files atomically

 -- Lucas Moura <lucas.moura@xxxxxxxxxxxxx>  Mon, 23 Jan 2023 12:28:37
-0300

** Changed in: ubuntu-advantage-tools (Ubuntu Xenial)
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/2003018

Title:
  [SRU] ubuntu-advantage-tools (27.12 -> 27.13) Xenial, Bionic, Focal,
  Jammy, Kinetic

Status in ubuntu-advantage-tools package in Ubuntu:
  Fix Released
Status in ubuntu-advantage-tools source package in Xenial:
  Fix Released
Status in ubuntu-advantage-tools source package in Bionic:
  Fix Released
Status in ubuntu-advantage-tools source package in Focal:
  Fix Released
Status in ubuntu-advantage-tools source package in Jammy:
  Fix Released
Status in ubuntu-advantage-tools source package in Kinetic:
  Fix Released

Bug description:
  [Impact]
  The main feature in this release is bringing esm-apps to GA. Beta flags and text are removed, and the service is available for all LTS.

  There is also an important bug fix, where we no longer change the
  system apt configuration to get esm package information (LP:
  #1990378).

  Other changes include:
      * Enabling autocomplete for the 'pro' command (GH: #2280)
      * Do not show invalid subcommands in autocomplete (GH: #2279)
      * Support attaching when snapd is held (LP: #1997514)
      * Do not fail if the apt-hook executable is not present (LP: #1994480)
      * Redesign output of security-status to properly show support (LP: #2002407)

  See the changelog entry below for a full list of changes and bugs.

  [Test Case]
  The following development and SRU process was followed:
  https://wiki.ubuntu.com/UbuntuAdvantageToolsUpdates

  The ubuntu-advantage-tools team will be in charge of attaching the artifacts and
  console output of the appropriate run to the bug.  ubuntu-advantage-tools team
  members will not mark ‘verification-done’ until this has happened.

  Additionally, to test the APT ESM setup, we will perform the following
  steps:

  1) Launch a LXD machine and install version 27.13.1 of ubuntu-advantage-tools
  2) Install the bpfcc-tools package on the host machine
  3) Run the command:

  sudo execsnoop-bpfcc -u LXD_USER_ID -T

  Where LXD_USER_ID is the user id that LXD uses to run (Usually it is
  1000000)

  4) On the LXD container, run `apt update` and verify that only one
  `update-success-stamp` is created on the logs of `execsnoop-bpfcc`
  (which indicates that apt update ran only once)

  * Automated Test Results
  <TODO>
  Attach or link the following automated integration test runs for ubuntu-advantage-tools on each affected LTS release
  </TODO>

  [Regression Potential]
  In order to mitigate the regression potential, the results of the
  aforementioned integration tests are attached to this bug.

  Removing the unauthenticated esm-repos from Xenial machines in
  postinst may remove the esm sources.list files even if we didn't
  create them. However, the chance for a user adding exactly this file
  is really low, and if the service is enabled, postinst keeps it there.
  Enabling the service would overwrite any file with the same name
  anyway.

  If the local esm caches are not updated properly (when the service
  runs, as part of the pre-update hook), the user will not see any
  available esm updates if the service is disabled. This will not fail,
  it will just not show the lists until the update succeeds. We have
  integration tests to make sure it runs as fast and reliable as
  possible.

  Now that apt news are server-based, a network fail may keep outdated
  messages in the apt output, or miss new messages. This is mitigated by
  using a local cache for the messages and, similar to the issue above,
  will fix itself as soon as the server can be reached again, and does
  not pose any error or fail.

  Magic attach command line is only tested against a staging environment. We consider this enough for the release given:
  - clear expectation that the production environment will work exactly the same, and
  - a well tested flow using the API
  The service is expected to be up by Jan 26th.

  [Discussion]
  The change in the esm package reports involves apt configuration, requiring a pre-SRU review. This review happened in the PR itself, by Julian Klode and Robie Basak:
  https://github.com/canonical/ubuntu-advantage-client/pull/2342

  Additionally, we identified that we need a more isolated APT ESM setup (see comment #1). By isolated, we mean that it should only have access to the necessary system APT configuration to work (For example, identify that a proxy is set in the system APT and use it too). This was achieved in this PR:
  https://github.com/canonical/ubuntu-advantage-client/pull/2393

  Which will be release in version 27.13.1

  Finally, esm-apps was going to be GA last November, but the release
  date was postponed to January 26th. This SRU needs to land on -updates
  exactly on this date.

  [Changelog]

  * d/bash-completion:
      - enable autocomplete for the 'pro' command (GH: #2280)
    * d/control:
      - update the package description
    * d/postinst:
      - remove unauthenticated esm repos from Xenial systems (LP: #1990378)
    * New upstream release 27.13 (LP: #2003018)
      - apt:
        + remove logic which added repositories and pinned them to 'never' to
          enable access to esm package lists
        + add functionality to create and update a local apt esm cache with
          the lists for esm-infra and esm-apps
      - apt-hook: update the cpp hook to use the local esm apt cache
      - apt-news:
        + fetch and display APT News in apt upgrade
        + show contract expiration notices in the apt news output
      - attach: support attaching without being able to install snapd
        (LP: #1997514)
      - cli:
        + do not show invalid subcommands in autocomplete (GH: #2279)
        + add support for attaching through the web portal, without a token
      - config: add apt_news_url option
      - docs: reorganize documentation and correct information
      - esm-apps: release the service as GA
      - jobs:
        + remove the update_status job
        + remove unused job which checks for the system EOL
      - messaging: do not fail if the apt-hook executable is not present
        (LP: #1994480)
      - motd: announce esm-apps as GA
      - security-status:
        + use the local esm cache to report updates when the services are
          disabled
        + redesign output to properly show support (LP: #2002407)
      - services: add new service to update the local esm caches
      - ros: release the service as GA
      - bug fixes:
        + report reboot_required even if 'livepatch status' fails
        + do not create unexpected environment variables when the autocomplete
          script runs
        + contract requests do not cause 'pro status' to fail
        + remove auto-attach motd message if any failure happens
        + log when 'cloud-id' fails
        + always honor the metering job timer config
        + write files atomically

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