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[Simon Poirier <2112595@xxxxxxxxxxxxxxxxxx>]

** Changed in: gce-compute-image-packages (Ubuntu)
   Importance: Undecided => Medium

** Changed in: gce-compute-image-packages (Ubuntu)
       Status: New => Triaged

** Tags added: dcr-incoming

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https://bugs.launchpad.net/bugs/2112595

Title:
  `Domains=local` is appending `.local` to the FQDN

Status in gce-compute-image-packages package in Ubuntu:
  Triaged

Bug description:
  ==== Bug

  The latest release of gce-compute-packages (a.k.a google-compute-
  engine) 20250328.00-0ubuntu2 drops a config file into
  /etc/systemd/resolved.conf.d that adds a `.local` prefix to the FQDN.

  ````
  ubuntu@jammy-lp:~$ hostname -f
  jammy-lp.local
  ````

  [Impact]

  This will likely affect users with scripts calling `hostname` or those
  who rely on a known FQDN

  [Mitigation]

  Editing the `gce-resolved.conf` file to use `Domains=~local` suffices.
  A one line fix to use is:

  ```
  sudo sed --in-place 's,Domains=local,Domains=~local,g' /etc/systemd/resolved.conf.d/gce-resolved.conf
  ```

  followed by restarting the `systemd-resolved.service`:

  ```
  sudo systemctl restart systemd-resolved.service
  ```

  fixes the issue:

  ```
  ubuntu@jammy-lp:~$ hostname -f
  jammy-lp.c.ubuntu-kajiya.internal
  ```

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