[Bug 1584818] Re: autofs fails to read sss

[Maciej Puzio]

This problem occurs because on Ubuntu 16.06 both sssd and autofs are started too early, before network is up. This has been observed in setups with network interfaces configured statically in /etc/network/interfaces (is that your setup as well?) Sssd itself recovers from this condition gracefully, and eventually connects to the LDAP server when network comes up. However autofs gives up after first failed attempt, and must be restarted manually to to properly mount NFS shares.
Please see discussions for bug 1566508 and bug 1588915 (these are separate issues related to system startup that affect autofs, among other things).

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Title:
  autofs fails to read sss

Status in autofs package in Ubuntu:
  Confirmed

Bug description:
  Description:	Ubuntu 16.04 LTS
  Release:	16.04

  autofs:
    Installed: 5.1.1-1ubuntu3
    Candidate: 5.1.1-1ubuntu3
    Version table:
   *** 5.1.1-1ubuntu3 500
          500 http://gb.archive.ubuntu.com/ubuntu xenial/main amd64 Packages
          100 /var/lib/dpkg/status
  autofs-ldap:
    Installed: 5.1.1-1ubuntu3
    Candidate: 5.1.1-1ubuntu3
    Version table:
   *** 5.1.1-1ubuntu3 500
          500 http://gb.archive.ubuntu.com/ubuntu xenial/universe amd64 Packages
          100 /var/lib/dpkg/status
  sssd:
    Installed: 1.13.4-1ubuntu1
    Candidate: 1.13.4-1ubuntu1
    Version table:
   *** 1.13.4-1ubuntu1 500
          500 http://gb.archive.ubuntu.com/ubuntu xenial/main amd64 Packages
          100 /var/lib/dpkg/status

  Expected:

  1. Reboot machine
  2. Attempt to access a NFS share (e.g. home directory)
  3. Directory will be mounted by the auto mounter

  Actual:

  Error received - No such file or directory

  Output of 'systemctl status autofs' shows:

  ● autofs.service - LSB: Automounts filesystems on demand
     Loaded: loaded (/etc/init.d/autofs; bad; vendor preset: enabled)
     Active: active (running) since Mon 2016-05-23 15:49:01 BST; 1min 29s ago
       Docs: man:systemd-sysv-generator(8)
    Process: 1428 ExecStart=/etc/init.d/autofs start (code=exited, status=0/SUCCESS)
     CGroup: /system.slice/autofs.service
             └─1520 /usr/sbin/automount --pid-file /var/run/autofs.pid

  May 23 15:49:01 chromium systemd[1]: Starting LSB: Automounts filesystems on demand...
  May 23 15:49:01 chromium autofs[1428]:  * Starting automount...
  May 23 15:49:01 chromium automount[1520]: setautomntent: lookup(sss): setautomntent: No such file or directory
  May 23 15:49:01 chromium autofs[1428]:    ...done.
  May 23 15:49:01 chromium systemd[1]: Started LSB: Automounts filesystems on demand.

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