[Bug 1855089] Re: Please show MOTD in containers' shell started without PAM printing MOTD

[Launchpad Bug Tracker]

This bug was fixed in the package update-motd - 3.6-0ubuntu1.19.10.1

---------------
update-motd (3.6-0ubuntu1.19.10.1) eoan; urgency=medium

  * show-motd: Show MOTD from /etc/profile.d snippet in the first shell every day
    instead of showing it only after 24h is elapsed since showing it last time.
    This is easier to understand. (LP: #1855918)

update-motd (3.6-0ubuntu1.19.10.0) eoan; urgency=medium

  * Show MOTD using an /etc/profile.d snippet when it was not shown
    by PAM and it was shown more than a day ago. (LP: #1855089)
    - Add autopkgtest
    - Set MOTD_SHOWN=update-motd in /etc/profile.d after showing MOTD
    - Add Breaks: for packages with /etc/update-motd.d snippets failing as
      a normal user. Also add Breaks: on libpam-modules not setting
      MOTD_SHOWN=pam.
    - I18n the message about .hushlogin
    - Split /etc/profile.d snippet to new show-motd binary package
      to not change the behaviour of the update-motd package on upgrade.
    - update-motd.8: Update man page with new update-motd --show-only option
      and also mention the new show-motd package.
    - update-motd.sh: Don't source, but run update-motd
      This fixes being dropped out of shell when update-motd exits with
      nonzero value.
    - update-motd.sh: Don't misleadingly indicate that script is running with set -e

 -- Balint Reczey <rbalint at ubuntu.com>  Tue, 10 Dec 2019 22:12:29 +0100

** Changed in: update-motd (Ubuntu Eoan)
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1855089

Title:
  Please show MOTD in containers' shell started without PAM printing
  MOTD

Status in update-motd:
  New
Status in update-motd package in Ubuntu:
  Fix Released
Status in update-motd source package in Eoan:
  Fix Released

Bug description:
  [Impact]

    * Users of containers may never see the MOTD of the container if they are always to the container's shell without PAM being involved.
    * MOTD contains important information about the system's health including the security updates to be installed thus it is desired to show MOTD in container shells, too.
    * The fix is creating a snippet in /etc/profile.d which shows, but not necessarily updates MOTD once a day.

  [Test Case]

   * Install show-motd in an LXC container.
   * Observe MOTD shown when starting the container shell with
     $ lxc shell <container name>

  [Regression Potential]

   * The new functionality is added in a new package, shown-motd, thus users of update-motd should not observe any regression.
   * The change in update-motd is adding the --show-only optional option. Both the new and old code patch is exercised in autopkgtest and should be safe.

  [Other Info]

   * The fix relies on PAM setting MOTD_SHOWN=pam to avoid printing MOTD
  twice.

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