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Implement bootloader-universe script #937

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Implement bootloader-universe script #937

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68 changes: 68 additions & 0 deletions extra/bootloader-universe
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#!/bin/bash

set -xe

# TODO: read from Smart Proxy config?
TFTPROOT=/var/lib/tftpboot
TFTPROOT=$PWD/tftpboot

os=$1
version=$2
arch=$3
repo=$4

case $arch in
x86_64)
grub_arch=x64
# TODO
esac

grub="grub2-efi-${grub_arch}"
shim="shim-${grub_arch}"

if [[ -z $repo ]] ; then
major=${version%.*}
case $os in
almalinux)
repo=https://repo.almalinux.org/almalinux/${major}/BaseOS/${arch}/os
;;
centos)
repo=https://mirror.stream.centos.org/${major}-stream/BaseOS/${arch}/os
;;
redhat)
echo "Download from https://access.redhat.com/downloads/content/package-browser" 2>&1
exit 1
;;
rocky_linux)
repo=https://dl.rockylinux.org/pub/rocky/${major}/BaseOS/${arch}/os
;;
*)
echo "Unknown OS '${os}'" 2>&1
exit 1
esac
fi

BOOTLOADER_PATH="${TFTPROOT}/bootloader-universe/pxegrub2/${os}/${version}/${arch}"

dir=$(mktemp -d)
trap 'rm -rf "$dir"' EXIT

(
cd "$dir"

dnf --repofrompath "temp-repo,$repo" download --arch "$arch" --from-repo temp-repo "$grub" "$shim"

rpm2cpio "$grub"* | cpio --extract --make-directories --verbose
rpm2cpio "$shim"* | cpio --extract --make-directories --verbose

if [[ $UID == 0 ]] ; then
install -o foreman-proxy -g foreman-proxy -d "${BOOTLOADER_PATH}"
else
install -d "${BOOTLOADER_PATH}"
fi
cp "boot/efi/EFI/${os}/grub${grub_arch}.efi" "${BOOTLOADER_PATH}/grub${grub_arch}.efi"
cp "boot/efi/EFI/${os}/shim${grub_arch}.efi" "${BOOTLOADER_PATH}/shim${grub_arch}.efi"
ln -sr "${BOOTLOADER_PATH}/grub${grub_arch}.efi" "${BOOTLOADER_PATH}/boot.efi"
ln -sr "${BOOTLOADER_PATH}/shim${grub_arch}.efi" "${BOOTLOADER_PATH}/boot-sb.efi"
chmod 0644 "${BOOTLOADER_PATH}/grub${grub_arch}.efi" "${BOOTLOADER_PATH}/shim${grub_arch}.efi"
)
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