[Bug 1695870] Re: [regression] sssd won't start if autofs is not installed

[Launchpad Bug Tracker]

This bug was fixed in the package sssd - 1.13.4-1ubuntu1.6

---------------
sssd (1.13.4-1ubuntu1.6) xenial; urgency=medium

  * Fix regression where SSSD doesn't start on boot if autofs is not
    installed (LP: #1695870):
    - rules: Support new service
    - sssd-common.sssd-autofs.upstart.in: Restart autofs to read direct mounts
    after SSSD and autofs have started (only on startup). This keeps the fix
    for the autofs and SSSD race condition (LP: #1566508)
    - sssd-common.sssd.upstart.in: Remove "starting autofs" to allow SSSD to
    start without autofs.

 -- Victor Tapia <victor.tapia at canonical.com>  Mon, 05 Jun 2017 12:41:12
+0200

** Changed in: sssd (Ubuntu Xenial)
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1695870

Title:
  [regression] sssd won't start if autofs is not installed

Status in sssd package in Ubuntu:
  Fix Released
Status in sssd source package in Trusty:
  Fix Released
Status in sssd source package in Xenial:
  Fix Released

Bug description:
  [Impact]

   * On Trusty, SSSD does not start when AutoFS is not installed because the AutoFS "starting" signal is not emitted.
   * This only affects the upstart service (Trusty). Systemd services work fine.

  [Test Case]

   * Install SSSD in a machine without AutoFS and reboot.
   * The service won't start on boot, even though it can be started manually.

  [Regression Potential]

   * None expected, but if one is found it will only impact the startup
  of SSSD at boot

  [Original Description]

  * The Xenial regression has been first reported via LP: #1700084 and
  then we marked it a duplicate and decided to continue the SRU via this
  bug (being the original one) for the SRU to be less confusing.

  The fix for LP# 1566508 (in Ubuntu 14.04 at least) introduces a
  regression that prevents sssd from starting if the autofs package is
  not installed.

  The /etc/init/sssd.conf script now has:

  ```
  start on (filesystem and net-device-up and starting autofs)
  ```

  The "starting autofs" will never happen if autofs is not installed.

  That's critical in that that prevents authentication after the next
  boot after "sssd" has been upgraded.

  The work around for now is to remove that "and starting autofs" or
  install the autofs package.

  ```
  $ apt-cache policy sssd
  sssd:
    Installed: 1.11.8-0ubuntu0.6
    Candidate: 1.11.8-0ubuntu0.6
    Version table:
   *** 1.11.8-0ubuntu0.6 0
          500 http://gb.archive.ubuntu.com/ubuntu/ trusty-updates/main amd64 Packages
          100 /var/lib/dpkg/status
       1.11.5-1ubuntu3 0
          500 http://gb.archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages
  ```

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