ubuntu

files/pxe/ubuntu.ipxe

+#!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
+item groovy ${space} ${os} 20.10 Groovy Gorilla
+item focal ${space} ${os} 20.04 LTS Focal Fossa
+item bionic ${space} ${os} 18.04 LTS Bionic Beaver
+item xenial ${space} ${os} 16.04 LTS Xenial Xerus
+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 ${boot_type} sub && goto boot_type ||
+goto mirrorcfg
+
+:older_release
+set older_release true
+set ubuntu_mirror http://old-releases.ubuntu.com
+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
+
+:focal
+set kernel_url http://${boot_domain}/ubuntu-squash/20.04.1-8de3099a/
+set codename focal
+set version_number 20.04.1
+goto sub_boot
+:groovy
+set kernel_url http://${boot_domain}/ubuntu-squash/20.10-424a54b4/
+set codename groovy
+set version_number 20.10
+goto sub_boot
+
+:sub_boot
+imgfree
+isset ${dhcp-server} && set netboot_params ip=dhcp url=https://mirrors.aliyun.com/ubuntu-releases/${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

prepare.sh

@@ -39,9 +39,26 @@ mkdir pxe-menus
 wget -O - https://github.com/netbootxyz/netboot.xyz/releases/download/${MENU_VERSION}/menus.tar.gz | tar zxf - -C ./pxe-menus/
 rm -rf pxe-menus/boot.cfg
 cp -rf boot.netboot.xyz/ipxe/netboot.xyz* ./pxe-menus/
+
+# custom pxes
 cp -rf ../files/pxe/centos.ipxe ./pxe-menus/
+cp -rf ../files/pxe/ubuntu.ipxe ./pxe-menus/
 cp -rf ../files/pxe/menu.ipxe ./pxe-menus/
 cp -rf ../files/pxe/menu.ipxe boot.netboot.xyz/
 cp -rf pxe-menus/version.ipxe boot.netboot.xyz/
 # cp -rf ../files/pxe/nbxyz.ipxe ./pxe-menus/
+
+# ubuntu-squash
+_download_ubuntu_squash() {
+  GITHUB_RELEASE_VERSION=$1
+  DIR_PREFIX="boot.netboot.xyz/ubuntu-squash/$GITHUB_RELEASE_VERSION"
+  echo "Downloading ubuntu-squash of $GITHUB_RELEASE_VERSION"
+  mkdir -p "$DIR_PREFIX"
+  wget -O "$DIR_PREFIX/initrd" "https://github.com/netbootxyz/ubuntu-squash/releases/download/$GITHUB_RELEASE_VERSION/initrd"
+  wget -O "$DIR_PREFIX/vmlinuz" "https://github.com/netbootxyz/ubuntu-squash/releases/download/$GITHUB_RELEASE_VERSION/vmlinuz"
+}
+
+_download_ubuntu_squash 20.10-424a54b4
+_download_ubuntu_squash 20.04.1-8de3099a
+
 cd ..