netboot.xyz/roles/netbootxyz/templates/menu/ubuntu.ipxe.j2

#!ipxe

# Ubuntu Operating System
# https://www.ubuntu.com

goto ${menu}

:ubuntu
set os Ubuntu
clear ubuntu_version
clear install_type
clear older_release
set install_type deb
menu ${os} - ${arch_a}
item --gap Latest Releases
{% for item in releases.ubuntu.versions %}
item {{ item.code_name }} ${space} ${os} {{ item.name }}
{% endfor %}
item --gap Older Releases
item older_release ${space} Set release codename...
choose ubuntu_version || goto ubuntu_exit
iseq ${ubuntu_version} older_release && goto older_release ||
iseq ${ubuntu_version} focal && set install_type sub ||
iseq ${ubuntu_version} groovy && set install_type sub ||
iseq ${ubuntu_version} focal-legacy && set ubuntu_version focal ||
iseq ${install_type} sub && goto boot_type ||
goto mirrorcfg

:older_release
set older_release true
set ubuntu_mirror {{ releases.ubuntu.archive_mirror }}
echo Setting mirror to ${ubuntu_mirror}
clear ubuntu_version
echo -n Please set enter code name of release: ${} && read ubuntu_version
set dir ${ubuntu_base_dir}/dists/${ubuntu_version}-updates/main/installer-${arch_a}/current/images/netboot/
goto boot_type

:mirrorcfg
set mirrorcfg mirror/suite=${ubuntu_version}
set dir ${ubuntu_base_dir}/dists/${ubuntu_version}-updates/main/installer-${arch_a}/current/images/netboot/

:boot_type
menu ${os} [${ubuntu_version}] Installer
item --gap Install types
item install ${space} Install
item rescue ${space} Rescue Mode
item automated ${space} Specify preseed/autoinstall url...
choose --default ${type} type || goto ubuntu
echo ${cls}
goto deb_${type}

:deb_rescue
iseq ${install_type} deb && set install_params rescue/enable=true ||
iseq ${install_type} sub && set install_params systemd.unit=rescue.target ||
goto deb_install

:deb_automated
echo -n Specify preseed/autoinstall URL for ${os} ${ubuntu_version}: && read autoinstall
iseq ${install_type} deb && set install_params auto=true priority=critical preseed/url=${autoinstall} ||
iseq ${install_type} sub && set install_params autoinstall ds=nocloud-net;s=${autoinstall} ||
goto deb_install

:deb_install
iseq ${install_type} deb && goto deb_boot ||
iseq ${install_type} sub && goto ${ubuntu_version} ||

:deb_boot
echo Loading Ubuntu PXE netboot installer
set dir ${dir}${menu}-installer/${arch_a}
imgfree
kernel ${ubuntu_mirror}/${dir}/linux ${install_params} ${mirrorcfg} -- quiet initrd=initrd.gz ${cmdline}
initrd ${ubuntu_mirror}/${dir}/initrd.gz
echo
echo MD5sums:
md5sum linux initrd.gz
boot

{% for key, value in endpoints.items() | sort %}
{% if value.os == "ubuntu" and 'netboot' in key %}
{% set kernel_name = value.kernel %}
:{{ value.codename }}
{% for key, value in endpoints.items() | sort %}
{% if key == kernel_name %}
set kernel_url ${live_endpoint}{{ value.path }}
set codename {{ value.codename }}
set version_number {{ value.version }}
{% endif %}
{% endfor %}
goto sub_boot
{% endif %}
{% endfor %}

:sub_boot
imgfree
isset ${dhcp-server} && set netboot_params ip=dhcp url=http://releases.ubuntu.com/${codename}/ubuntu-${version_number}-live-server-${arch_a}.iso || set netboot_params
echo Loading Ubuntu Subiquity Network Installer...
kernel ${kernel_url}vmlinuz root=/dev/ram0 ramdisk_size=1500000 ${netboot_params} ${install_params} initrd=initrd ${cmdline}
initrd ${kernel_url}initrd
echo
echo MD5sums:
md5sum vmlinuz initrd
boot

:ubuntu_exit
clear menu
exit 0