Comment 1 for bug 2012484

There is no difference in the curtin generated config.

focal host

maas admin machine get-curtin-config "$(maas admin machines read hostname=native-tomcat | jq -r .[].system_id)"

jammy host

maas admin machine get-curtin-config "$(maas admin machines read hostname=aware-zebra | jq -r .[].system_id)"

$ head -n 28 *-host-curting-config.yaml
==> focal-host-curting-config.yaml <==
apt:
  preserve_sources_list: false
  proxy: http://192.168.151.1:8000/
  sources_list: 'deb http://mirror.archive.ubuntu.com/ubuntu $RELEASE universe main
    multiverse restricted

    # deb-src http://mirror.archive.ubuntu.com/ubuntu $RELEASE universe main multiverse
    restricted

    deb http://mirror.archive.ubuntu.com/ubuntu $RELEASE-updates universe main multiverse
    restricted

    # deb-src http://mirror.archive.ubuntu.com/ubuntu $RELEASE-updates universe main
    multiverse restricted

    deb http://mirror.archive.ubuntu.com/ubuntu $RELEASE-security universe main multiverse
    restricted

    # deb-src http://mirror.archive.ubuntu.com/ubuntu $RELEASE-security universe main
    multiverse restricted

    deb http://mirror.archive.ubuntu.com/ubuntu $RELEASE-backports universe main multiverse
    restricted

    # deb-src http://mirror.archive.ubuntu.com/ubuntu $RELEASE-backports universe
    main multiverse restricted

    '

==> jammy-host-curting-config.yaml <==
apt:
  preserve_sources_list: false
  proxy: http://192.168.151.1:8000/
  sources_list: 'deb http://mirror.archive.ubuntu.com/ubuntu $RELEASE universe main
    multiverse restricted

    # deb-src http://mirror.archive.ubuntu.com/ubuntu $RELEASE universe main multiverse
    restricted

    deb http://mirror.archive.ubuntu.com/ubuntu $RELEASE-updates universe main multiverse
    restricted

    # deb-src http://mirror.archive.ubuntu.com/ubuntu $RELEASE-updates universe main
    multiverse restricted

    deb http://mirror.archive.ubuntu.com/ubuntu $RELEASE-security universe main multiverse
    restricted

    # deb-src http://mirror.archive.ubuntu.com/ubuntu $RELEASE-security universe main
    multiverse restricted

    deb http://mirror.archive.ubuntu.com/ubuntu $RELEASE-backports universe main multiverse
    restricted

    # deb-src http://mirror.archive.ubuntu.com/ubuntu $RELEASE-backports universe
    main multiverse restricted

    '