[Bug 1833046] Re: 18.04 timesyncd stop working after rack controller installed

[Newell Jensen]

** Also affects: systemd (Ubuntu)
   Importance: Undecided
       Status: New

** Changed in: maas
       Status: New => Invalid

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https://bugs.launchpad.net/bugs/1833046

Title:
  18.04 timesyncd stop working after rack controller installed

Status in MAAS:
  Invalid
Status in systemd package in Ubuntu:
  New

Bug description:
  This is an upstream bug from systemd, see details here:

  https://github.com/systemd/systemd/issues/7883

  But it's directly triggered by install maas -> avahi-daemon enabled ->
  nsswitch.conf changed.

  `timedatectl status` will always return "System clock synchronized:
  no" on rack controller host.

  systemd-timesyncd will exit immediately after start, strace
  /lib/systemd/systemd-timesyncd give me the following error:

  ```
  writev(2, [{iov_base="Cannot resolve user name systemd"..., iov_len=58}, {iov_base="\n", iov_len=1}], 2Cannot resolve user name systemd-timesync: No such process
  ) = 59
  exit_group(1)                           = ?
  +++ exited with 1 +++
  ```

  I'm not sure if maas can provide some workaround on this by default,
  right now I fix it by:

  sudo useradd -r systemd-timesync

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