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SLES 16 Packer Template for MAAS

Introduction

The Packer template in this directory creates a SLES 16 AMD64/ARM64 image for use with MAAS.

Prerequisites (to create the image)

  • A machine running Ubuntu 22.04+ with the ability to run KVM virtual machines.
  • qemu-utils, libnbd-bin, nbdkit and fuse2fs
  • Packer, v1.8.0 or newer
  • The SLES 16 DVD ISO

Requirements (to deploy the image)

Customizing the Image

The deployment image may be customized by modifying profile.json.pkrtpl.hcl.

See the Agama installer for more information.

Autoinstall Debugging

Important Note: SLES 16 is using Agama installer which replaces YaST.

This installer does support AutoYaST autoinstall profiles up to some extent. This means an existing profile may need changes and modifications to fully work.

The new installer is Web based and currently does not prompt or show any error messages related to a failed autoinstaller profile.

The failure symptom is that the installer is stuck and not making progress.

To investigate, connect to the console using a VNC viewer or similar, issue Ctrl+Alt+F1 and login as root (password shown on console). Then investigate using:

journalctl -u agama-auto

Known Issues

  • As of December 2025, with SLES16.0 ISO, the cloud-init package is missing from the installation DVD. Until this is resolved, we have a workaround to download and install the package from OpenSUSE online repositories.

Building the image using a proxy

The Packer template pulls all packages from the DVD ISO.

To use a proxy during the installation you need to check the Agama installer for more information.

Building an image

You can easily build the image using the Makefile:

make ISO=/PATH/TO/SLE-16-Full-x86_64-GM-Media1.iso ARCH=x86_64

To build arm64 images:

make ISO=/PATH/TO/SLE-16-Full-aarch64-GM-Media1.iso ARCH=aarch64

Note: sles.pkr.hcl is configured to run Packer in headless mode. Only Packer output will be seen. If you wish to see the installation output connect to the VNC port given in the Packer output or change the value of headless to false in sles.pkr.hcl.

Installation is non-interactive.

Makefile Parameters

ARCH

Defaults to x86_64 to build AMD64 compatible images. In order to build ARM64 images, use ARCH=aarch64

ISO

The path to the DVD installation ISO image for SLES.

TIMEOUT

The timeout to apply when building the image. The default value is set to 1h.

Uploading an image to MAAS

maas $PROFILE boot-resources create \
    name='suse/sles16' title='SLES 16' \
    architecture='amd64/generic' filetype='tgz' \
    content@=sles16.tar.gz

Default Username

The default username is sles