Merge "bootloader: remove extlinux/syslinux path"
This commit is contained in:
Zuul
Gerrit Code Review
commit
75ee18b01b
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@ -2,10 +2,7 @@
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bootloader
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bootloader
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==========
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==========
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Installs ``grub[2]`` on boot partition on the system. In case GRUB2 is
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Installs ``grub[2]`` on boot partition on the system.
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||||||
not available in the system, a fallback to Extlinux will happen. It's
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also possible to enforce the use of Extlinux by exporting a
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``DIB_EXTLINUX`` variable to the environment.
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Arguments
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Arguments
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=========
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=========
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@ -1,55 +0,0 @@
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#!/bin/bash
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#
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# Copyright 2014 Hewlett-Packard Development Company, L.P.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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# dib-lint: disable=safe_sudo
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if [ ${DIB_DEBUG_TRACE:-1} -gt 0 ]; then
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set -x
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fi
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set -eu
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set -o pipefail
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[ -n "$TARGET_ROOT" ]
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source $_LIB/img-functions
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if [ -d $TARGET_ROOT/boot/extlinux ] ; then
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CONF=$TARGET_ROOT/boot/extlinux/extlinux.conf
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elif [ -d $TARGET_ROOT/boot/syslinux ] ; then
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CONF=$TARGET_ROOT/boot/syslinux/syslinux.cfg
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else
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exit 0
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fi
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# Dig up the initrd and kernel to use.
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select_boot_kernel_initrd $TARGET_ROOT
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# Serial console on Power is hvc0
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if [[ "powerpc ppc64 ppc64le" =~ "$ARCH" ]] ; then
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SERIAL_CONSOLE="hvc0"
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else
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SERIAL_CONSOLE="ttyS0,115200"
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fi
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sudo sh -c "cat > $CONF <<_EOF_
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DEFAULT linux
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LABEL linux
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KERNEL /boot/$KERNEL
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APPEND ro root=LABEL=${DIB_ROOT_LABEL} console=tty0 console=${SERIAL_CONSOLE} nofb nomodeset gfxpayload=text
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INITRD /boot/$RAMDISK
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_EOF_"
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@ -9,296 +9,241 @@ fi
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set -eu
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set -eu
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set -o pipefail
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set -o pipefail
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BOOT_DEV=$IMAGE_BLOCK_DEVICE
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if [ ${DIB_EXTLINUX:-0} != "0" ]; then
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echo "DIB_EXTLINUX no longer supported"
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exit 1
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fi
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# Some distros have pre-installed grub in some other way, and want to
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# skip this.
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if [[ -f "/tmp/grub/install" ]]; then
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exit 0
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fi
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BOOT_DEV=$IMAGE_BLOCK_DEVICE
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# All available devices, handy for some bootloaders...
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# All available devices, handy for some bootloaders...
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declare -A DEVICES
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declare -A DEVICES
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eval DEVICES=( $IMAGE_BLOCK_DEVICES )
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eval DEVICES=( $IMAGE_BLOCK_DEVICES )
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function install_extlinux {
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# Right now we can't use pkg-map to branch by arch, so tag an
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install-packages -m bootloader extlinux
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# architecture specific virtual package so we can install the
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# rigth thing based on distribution.
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if [[ "$ARCH" =~ "ppc" ]]; then
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install-packages -m bootloader grub-ppc64
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elif [[ "${DIB_BLOCK_DEVICE}" == "mbr" ||
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"${DIB_BLOCK_DEVICE}" == "gpt" ]]; then
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install-packages -m bootloader grub-pc
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elif [[ "${DIB_BLOCK_DEVICE}" == "efi" ]]; then
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install-packages -e -m bootloader grub-efi-$ARCH
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install-packages -m bootloader grub-efi grub-efi-$ARCH
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else
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echo "Failure: I'm not sure what bootloader to install"
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echo "Ensure you have included a block-device-* element"
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exit 1
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fi
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echo "Installing Extlinux..."
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GRUBNAME=$(type -p grub-install) || echo "trying grub2-install"
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if [ -z "$GRUBNAME" ]; then
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GRUBNAME=$(type -p grub2-install)
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fi
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# Find and install mbr.bin
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if type grub2-mkconfig >/dev/null; then
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for MBR in /usr/share/syslinux/mbr.bin /usr/lib/syslinux/mbr.bin \
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GRUB_MKCONFIG="grub2-mkconfig"
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/usr/lib/extlinux/mbr.bin /usr/lib/EXTLINUX/mbr.bin ; do
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else
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if [ -f $MBR ]; then
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GRUB_MKCONFIG="grub-mkconfig"
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break
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fi
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fi
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done
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if [ ! -f $MBR ]; then
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echo "mbr.bin (from EXT/SYSLINUX) not found."
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exit 1
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fi
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dd if=$MBR of=$BOOT_DEV
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echo "Installing GRUB2..."
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# Find any pre-created extlinux install directory
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# When using EFI image-based builds, particularly rhel element
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for EXTDIR in /boot/extlinux /boot/syslinux ; do
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# based on RHEL>=8.2 .qcow2, we might have /boot/grub2/grubenv
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if [ -d $EXTDIR ] ; then
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# as a dangling symlink to /boot/efi because we have extracted
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break
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# it from the root fs, but we didn't populate the separate EFI
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fi
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# boot partition from the image. grub2-install calls rename()
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done
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# on this file, so if it's a dangling symlink it errors. Just
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if [ ! -d $EXTDIR ] ; then
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# remove it if it exists.
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# No install directory found so default to /boot/syslinux
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if [[ -L /boot/grub2/grubenv ]]; then
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EXTDIR=/boot/syslinux
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rm -f /boot/grub2/grubenv
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mkdir -p $EXTDIR
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fi
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fi
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# Finally install extlinux
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# We need --force so grub does not fail due to being installed on the
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extlinux --install $EXTDIR
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# root partition of a block device.
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}
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GRUB_OPTS=${GRUB_OPTS:-"--force"}
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# XXX: This is buggy:
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function install_grub2 {
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# - --target=i386-pc is invalid for non-i386/amd64 architectures
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# - and for UEFI too.
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# Check for offline installation of grub
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# GRUB_OPTS="$GRUB_OPTS --target=i386-pc"
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if [ -f "/tmp/grub/install" ] ; then
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if [[ ! $GRUB_OPTS == *--target* ]] && [[ $($GRUBNAME --version) =~ ' 2.' ]]; then
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source /tmp/grub/install
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# /sys/ comes from the host machine. If the host machine is using EFI
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# but the image being built doesn't have EFI boot-images installed we
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# Right now we can't use pkg-map to branch by arch, so tag an
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# should set the --target to use a BIOS-based boot-image.
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# architecture specific virtual package so we can install the
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#
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# rigth thing based on distribution.
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# * --target tells grub what's the target platform
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elif [[ "$ARCH" =~ "ppc" ]]; then
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# * the boot images are placed in /usr/lib/grub/<cpu>-<platform>
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install-packages -m bootloader grub-ppc64
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# * i386-pc is used for BIOS-based machines
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elif [[ "${DIB_BLOCK_DEVICE}" == "mbr" ||
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# http://www.gnu.org/software/grub/manual/grub.html#Installation
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"${DIB_BLOCK_DEVICE}" == "gpt" ]]; then
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#
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install-packages -m bootloader grub-pc
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if [ -d /sys/firmware/efi ]; then
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elif [[ "${DIB_BLOCK_DEVICE}" == "efi" ]]; then
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if [ ! -d /usr/lib/grub/*-efi ]; then
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install-packages -e -m bootloader grub-efi-$ARCH
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install-packages -m bootloader grub-efi grub-efi-$ARCH
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else
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echo "Failure: I'm not sure what bootloader to install"
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echo "Ensure you have included a block-device-* element"
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exit 1
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fi
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# XXX: grub-probe on the nbd0/loop0 device returns nothing - workaround, manually
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# specify modules. https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1073731
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GRUBNAME=$(type -p grub-install) || echo "trying grub2-install"
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if [ -z "$GRUBNAME" ]; then
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GRUBNAME=$(type -p grub2-install)
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fi
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if type grub2-mkconfig >/dev/null; then
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GRUB_MKCONFIG="grub2-mkconfig"
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else
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GRUB_MKCONFIG="grub-mkconfig"
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fi
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# If no GRUB2 is found, fallback to extlinux
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if [ -z "$GRUBNAME" ] || [ $($GRUBNAME --version | grep "0.97" | wc -l) -ne 0 ]; then
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echo "No GRUB2 found. Fallback to Extlinux..."
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install_extlinux
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exit 0
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fi
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echo "Installing GRUB2..."
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# When using EFI image-based builds, particularly rhel element
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# based on RHEL>=8.2 .qcow2, we might have /boot/grub2/grubenv
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# as a dangling symlink to /boot/efi because we have extracted
|
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# it from the root fs, but we didn't populate the separate EFI
|
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# boot partition from the image. grub2-install calls rename()
|
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# on this file, so if it's a dangling symlink it errors. Just
|
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# remove it if it exists.
|
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if [[ -L /boot/grub2/grubenv ]]; then
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rm -f /boot/grub2/grubenv
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fi
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# We need --force so grub does not fail due to being installed on the
|
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# root partition of a block device.
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GRUB_OPTS=${GRUB_OPTS:-"--force"}
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# XXX: This is buggy:
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# - --target=i386-pc is invalid for non-i386/amd64 architectures
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# - and for UEFI too.
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# GRUB_OPTS="$GRUB_OPTS --target=i386-pc"
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if [[ ! $GRUB_OPTS == *--target* ]] && [[ $($GRUBNAME --version) =~ ' 2.' ]]; then
|
|
||||||
# /sys/ comes from the host machine. If the host machine is using EFI
|
|
||||||
# but the image being built doesn't have EFI boot-images installed we
|
|
||||||
# should set the --target to use a BIOS-based boot-image.
|
|
||||||
#
|
|
||||||
# * --target tells grub what's the target platform
|
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# * the boot images are placed in /usr/lib/grub/<cpu>-<platform>
|
|
||||||
# * i386-pc is used for BIOS-based machines
|
|
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# http://www.gnu.org/software/grub/manual/grub.html#Installation
|
|
||||||
#
|
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||||||
if [ -d /sys/firmware/efi ]; then
|
|
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if [ ! -d /usr/lib/grub/*-efi ]; then
|
|
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case $ARCH in
|
|
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"x86_64"|"amd64")
|
|
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GRUB_OPTS="$GRUB_OPTS --target=i386-pc"
|
|
||||||
;;
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|
||||||
"i386")
|
|
||||||
target=i386-pc
|
|
||||||
if [ -e /proc/device-tree ]; then
|
|
||||||
for x in /proc/device-tree/*; do
|
|
||||||
if [ -e "$x" ]; then
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|
||||||
target="i386-ieee1275"
|
|
||||||
fi
|
|
||||||
done
|
|
||||||
fi
|
|
||||||
GRUB_OPTS="$GRUB_OPTS --target=$target"
|
|
||||||
;;
|
|
||||||
esac
|
|
||||||
fi
|
|
||||||
fi
|
|
||||||
fi
|
|
||||||
|
|
||||||
if [[ "$ARCH" =~ "ppc" ]] ; then
|
|
||||||
# For PPC (64-Bit regardless of Endian-ness), we use the "boot"
|
|
||||||
# partition as the one to point grub-install to, not the loopback
|
|
||||||
# device. ppc has a dedicated PReP boot partition.
|
|
||||||
# For grub2 < 2.02~beta3 this needs to be a /dev/mapper/... node after
|
|
||||||
# that a dev/loopXpN node will work fine.
|
|
||||||
$GRUBNAME --modules="part_msdos" $GRUB_OPTS ${DEVICES[boot]} --no-nvram
|
|
||||||
else
|
|
||||||
# This set of modules is sufficient for all installs (mbr/gpt/efi)
|
|
||||||
modules="part_msdos part_gpt lvm"
|
|
||||||
if [[ ${DIB_BLOCK_DEVICE} == "mbr" || ${DIB_BLOCK_DEVICE} == "gpt" ]]; then
|
|
||||||
$GRUBNAME --modules="$modules biosdisk" $GRUB_OPTS $BOOT_DEV
|
|
||||||
elif [[ ${DIB_BLOCK_DEVICE} == "efi" ]]; then
|
|
||||||
# We need to manually set the target if it's different to
|
|
||||||
# the host. Setup for EFI
|
|
||||||
case $ARCH in
|
case $ARCH in
|
||||||
"x86_64"|"amd64")
|
"x86_64"|"amd64")
|
||||||
# This call installs grub for BIOS compatability
|
GRUB_OPTS="$GRUB_OPTS --target=i386-pc"
|
||||||
# which makes portable EFI/BIOS images.
|
;;
|
||||||
$GRUBNAME --modules="$modules" --target=i386-pc $BOOT_DEV
|
"i386")
|
||||||
# Set the x86_64 specific efi target for the generic
|
target=i386-pc
|
||||||
# installation below.
|
if [ -e /proc/device-tree ]; then
|
||||||
GRUB_OPTS="--target=x86_64-efi"
|
for x in /proc/device-tree/*; do
|
||||||
|
if [ -e "$x" ]; then
|
||||||
|
target="i386-ieee1275"
|
||||||
|
fi
|
||||||
|
done
|
||||||
|
fi
|
||||||
|
GRUB_OPTS="$GRUB_OPTS --target=$target"
|
||||||
;;
|
;;
|
||||||
# At this point, we don't need to override the target
|
|
||||||
# for any other architectures.
|
|
||||||
esac
|
esac
|
||||||
# If we don't have a distro specific dir with presigned efi targets
|
|
||||||
# we install a generic one.
|
|
||||||
if [ ! -d /boot/efi/$EFI_BOOT_DIR ]; then
|
|
||||||
echo "WARNING: /boot/efi/$EFI_BOOT_DIR does not exist, UEFI secure boot not supported"
|
|
||||||
# This tells the EFI install to put the EFI binaries into
|
|
||||||
# the generic /BOOT directory and avoids trying to update
|
|
||||||
# nvram settings.
|
|
||||||
extra_options="--removable"
|
|
||||||
$GRUBNAME --modules="$modules" $extra_options $GRUB_OPTS $BOOT_DEV
|
|
||||||
fi
|
|
||||||
fi
|
fi
|
||||||
fi
|
fi
|
||||||
|
|
||||||
# This might be better factored out into a per-distro 'install-bootblock'
|
|
||||||
# helper.
|
|
||||||
if [ -d /boot/grub2 ]; then
|
|
||||||
GRUB_CFG=/boot/grub2/grub.cfg
|
|
||||||
elif [ -d /boot/grub ]; then
|
|
||||||
GRUB_CFG=/boot/grub/grub.cfg
|
|
||||||
fi
|
|
||||||
|
|
||||||
# Override the root device to the default label, and disable uuid
|
|
||||||
# lookup.
|
|
||||||
echo "GRUB_DEVICE=LABEL=${DIB_ROOT_LABEL}" >> /etc/default/grub
|
|
||||||
echo 'GRUB_DISABLE_LINUX_UUID=true' >> /etc/default/grub
|
|
||||||
echo "GRUB_TIMEOUT=${DIB_GRUB_TIMEOUT:-5}" >>/etc/default/grub
|
|
||||||
echo 'GRUB_TERMINAL="serial console"' >>/etc/default/grub
|
|
||||||
echo 'GRUB_GFXPAYLOAD_LINUX=auto' >>/etc/default/grub
|
|
||||||
|
|
||||||
# NOTE(ianw) : 2021-05-11
|
|
||||||
# On Fedora there has been a switch to BLS
|
|
||||||
# https://fedoraproject.org/wiki/Changes/BootLoaderSpecByDefault
|
|
||||||
# which means that kernel-install will have created entries in
|
|
||||||
# /boot/loader/entries/...
|
|
||||||
# and, as the wiki page says
|
|
||||||
#
|
|
||||||
# The main issue appears to be that a number of places document
|
|
||||||
# a way to pass kernel options that is no longer working with
|
|
||||||
# BLS, i.e. edit /etc/default/grub before running
|
|
||||||
# grub2-mkconfig.
|
|
||||||
#
|
|
||||||
# i.e. exactly what we're doing above to override the root device
|
|
||||||
# in particular. Override grub2 to use it's old config format and
|
|
||||||
# remove any BLS entries the kernel install made.
|
|
||||||
#
|
|
||||||
# I imagine at some point we will reworking things in a more
|
|
||||||
# general sense to support BLS if that's what everything is
|
|
||||||
# switching to.
|
|
||||||
#
|
|
||||||
if [[ ${DISTRO_NAME} = fedora ]]; then
|
|
||||||
echo 'GRUB_ENABLE_BLSCFG=false' >> /etc/default/grub
|
|
||||||
rm -rf /boot/loader/
|
|
||||||
fi
|
|
||||||
|
|
||||||
if [[ -n "${DIB_BOOTLOADER_SERIAL_CONSOLE}" ]]; then
|
|
||||||
SERIAL_CONSOLE="${DIB_BOOTLOADER_SERIAL_CONSOLE}"
|
|
||||||
elif [[ "powerpc ppc64 ppc64le" =~ "$ARCH" ]]; then
|
|
||||||
# Serial console on Power is hvc0
|
|
||||||
SERIAL_CONSOLE="hvc0"
|
|
||||||
elif [[ "arm64" =~ "$ARCH" ]]; then
|
|
||||||
SERIAL_CONSOLE="ttyAMA0,115200"
|
|
||||||
else
|
|
||||||
SERIAL_CONSOLE="ttyS0,115200"
|
|
||||||
fi
|
|
||||||
|
|
||||||
GRUB_CMDLINE_LINUX_DEFAULT="console=tty0 console=${SERIAL_CONSOLE} no_timer_check"
|
|
||||||
|
|
||||||
echo "GRUB_CMDLINE_LINUX_DEFAULT=\"${GRUB_CMDLINE_LINUX_DEFAULT} ${DIB_BOOTLOADER_DEFAULT_CMDLINE}\"" >>/etc/default/grub
|
|
||||||
echo 'GRUB_SERIAL_COMMAND="serial --speed=115200 --unit=0 --word=8 --parity=no --stop=1"' >>/etc/default/grub
|
|
||||||
|
|
||||||
# os-prober leaks /dev/sda into config file in dual-boot host
|
|
||||||
# Disable grub-os-prober to avoid the issue while running
|
|
||||||
# grub-mkconfig
|
|
||||||
# Setting a flag to track whether the entry is already there in grub config
|
|
||||||
PROBER_DISABLED=
|
|
||||||
if ! grep -qe "^\s*GRUB_DISABLE_OS_PROBER=true" /etc/default/grub; then
|
|
||||||
PROBER_DISABLED=true
|
|
||||||
echo 'GRUB_DISABLE_OS_PROBER=true' >> /etc/default/grub
|
|
||||||
fi
|
|
||||||
|
|
||||||
# GRUB_MKCONFIG call needs to happen after we configure
|
|
||||||
# /etc/default/grub above. Without this we can set inappropriate
|
|
||||||
# root device labels and then images don't boot.
|
|
||||||
#
|
|
||||||
# This produces a legacy config which both bios and uefi can boot
|
|
||||||
# Later we copy the final config to an efi specific location to
|
|
||||||
# support uefi specific functionality like secure boot.
|
|
||||||
$GRUB_MKCONFIG -o $GRUB_CFG
|
|
||||||
|
|
||||||
# Remove the fix to disable os_prober
|
|
||||||
if [ -n "$PROBER_DISABLED" ]; then
|
|
||||||
sed -i '$d' /etc/default/grub
|
|
||||||
fi
|
|
||||||
|
|
||||||
# grub-mkconfig generates a config with the device in it,
|
|
||||||
# This shouldn't be needed, but old code has bugs
|
|
||||||
DIB_RELEASE=${DIB_RELEASE:-}
|
|
||||||
if [ "$DIB_RELEASE" = 'wheezy' ]; then
|
|
||||||
sed -i "s%search --no.*%%" $GRUB_CFG
|
|
||||||
sed -i "s%set root=.*%set root=(hd0,1)%" $GRUB_CFG
|
|
||||||
fi
|
|
||||||
|
|
||||||
# Fix efi specific instructions in grub config file
|
|
||||||
if [ -d /sys/firmware/efi ]; then
|
|
||||||
sed -i 's%\(initrd\|linux\)efi /boot%\1 /boot%g' $GRUB_CFG
|
|
||||||
fi
|
|
||||||
|
|
||||||
# when using efi, and having linux16/initrd16, it needs to be replaced
|
|
||||||
# by linuxefi/initrdefi. When building images on a non-efi system,
|
|
||||||
# the 16 suffix is added to linux/initrd entries, but we need it to be
|
|
||||||
# linuxefi/initrdefi for the image to boot under efi
|
|
||||||
if [[ ${DIB_BLOCK_DEVICE} == "efi" ]]; then
|
|
||||||
sed -i 's%\(linux\|initrd\)16 /boot%\1efi /boot%g' $GRUB_CFG
|
|
||||||
|
|
||||||
# Finally copy the grub.cfg to the EFI specific dir to support
|
|
||||||
# functionality like secure boot. We make a copy because
|
|
||||||
# /boot and /boot/efi may be different partitions and uefi looks
|
|
||||||
# for a specific partition UUID preventing symlinks from working.
|
|
||||||
if [ -d /boot/efi/$EFI_BOOT_DIR ] ; then
|
|
||||||
cp $GRUB_CFG /boot/efi/$EFI_BOOT_DIR/grub.cfg
|
|
||||||
fi
|
|
||||||
fi
|
|
||||||
}
|
|
||||||
|
|
||||||
DIB_EXTLINUX=${DIB_EXTLINUX:-0}
|
|
||||||
if [ "$DIB_EXTLINUX" != "0" ]; then
|
|
||||||
install_extlinux
|
|
||||||
else
|
|
||||||
install_grub2
|
|
||||||
fi
|
fi
|
||||||
|
|
||||||
|
if [[ "$ARCH" =~ "ppc" ]] ; then
|
||||||
|
# For PPC (64-Bit regardless of Endian-ness), we use the "boot"
|
||||||
|
# partition as the one to point grub-install to, not the loopback
|
||||||
|
# device. ppc has a dedicated PReP boot partition.
|
||||||
|
# For grub2 < 2.02~beta3 this needs to be a /dev/mapper/... node after
|
||||||
|
# that a dev/loopXpN node will work fine.
|
||||||
|
$GRUBNAME --modules="part_msdos" $GRUB_OPTS ${DEVICES[boot]} --no-nvram
|
||||||
|
else
|
||||||
|
# This set of modules is sufficient for all installs (mbr/gpt/efi)
|
||||||
|
modules="part_msdos part_gpt lvm"
|
||||||
|
if [[ ${DIB_BLOCK_DEVICE} == "mbr" || ${DIB_BLOCK_DEVICE} == "gpt" ]]; then
|
||||||
|
$GRUBNAME --modules="$modules biosdisk" $GRUB_OPTS $BOOT_DEV
|
||||||
|
elif [[ ${DIB_BLOCK_DEVICE} == "efi" ]]; then
|
||||||
|
# We need to manually set the target if it's different to
|
||||||
|
# the host. Setup for EFI
|
||||||
|
case $ARCH in
|
||||||
|
"x86_64"|"amd64")
|
||||||
|
# This call installs grub for BIOS compatability
|
||||||
|
# which makes portable EFI/BIOS images.
|
||||||
|
$GRUBNAME --modules="$modules" --target=i386-pc $BOOT_DEV
|
||||||
|
# Set the x86_64 specific efi target for the generic
|
||||||
|
# installation below.
|
||||||
|
GRUB_OPTS="--target=x86_64-efi"
|
||||||
|
;;
|
||||||
|
# At this point, we don't need to override the target
|
||||||
|
# for any other architectures.
|
||||||
|
esac
|
||||||
|
# If we don't have a distro specific dir with presigned efi targets
|
||||||
|
# we install a generic one.
|
||||||
|
if [ ! -d /boot/efi/$EFI_BOOT_DIR ]; then
|
||||||
|
echo "WARNING: /boot/efi/$EFI_BOOT_DIR does not exist, UEFI secure boot not supported"
|
||||||
|
# This tells the EFI install to put the EFI binaries into
|
||||||
|
# the generic /BOOT directory and avoids trying to update
|
||||||
|
# nvram settings.
|
||||||
|
extra_options="--removable"
|
||||||
|
$GRUBNAME --modules="$modules" $extra_options $GRUB_OPTS $BOOT_DEV
|
||||||
|
fi
|
||||||
|
fi
|
||||||
|
fi
|
||||||
|
|
||||||
|
# This might be better factored out into a per-distro 'install-bootblock'
|
||||||
|
# helper.
|
||||||
|
if [ -d /boot/grub2 ]; then
|
||||||
|
GRUB_CFG=/boot/grub2/grub.cfg
|
||||||
|
elif [ -d /boot/grub ]; then
|
||||||
|
GRUB_CFG=/boot/grub/grub.cfg
|
||||||
|
fi
|
||||||
|
|
||||||
|
# Override the root device to the default label, and disable uuid
|
||||||
|
# lookup.
|
||||||
|
echo "GRUB_DEVICE=LABEL=${DIB_ROOT_LABEL}" >> /etc/default/grub
|
||||||
|
echo 'GRUB_DISABLE_LINUX_UUID=true' >> /etc/default/grub
|
||||||
|
echo "GRUB_TIMEOUT=${DIB_GRUB_TIMEOUT:-5}" >>/etc/default/grub
|
||||||
|
echo 'GRUB_TERMINAL="serial console"' >>/etc/default/grub
|
||||||
|
echo 'GRUB_GFXPAYLOAD_LINUX=auto' >>/etc/default/grub
|
||||||
|
|
||||||
|
# NOTE(ianw) : 2021-05-11
|
||||||
|
# On Fedora there has been a switch to BLS
|
||||||
|
# https://fedoraproject.org/wiki/Changes/BootLoaderSpecByDefault
|
||||||
|
# which means that kernel-install will have created entries in
|
||||||
|
# /boot/loader/entries/...
|
||||||
|
# and, as the wiki page says
|
||||||
|
#
|
||||||
|
# The main issue appears to be that a number of places document
|
||||||
|
# a way to pass kernel options that is no longer working with
|
||||||
|
# BLS, i.e. edit /etc/default/grub before running
|
||||||
|
# grub2-mkconfig.
|
||||||
|
#
|
||||||
|
# i.e. exactly what we're doing above to override the root device
|
||||||
|
# in particular. Override grub2 to use it's old config format and
|
||||||
|
# remove any BLS entries the kernel install made.
|
||||||
|
#
|
||||||
|
# I imagine at some point we will reworking things in a more
|
||||||
|
# general sense to support BLS if that's what everything is
|
||||||
|
# switching to.
|
||||||
|
#
|
||||||
|
if [[ ${DISTRO_NAME} = fedora ]]; then
|
||||||
|
echo 'GRUB_ENABLE_BLSCFG=false' >> /etc/default/grub
|
||||||
|
rm -rf /boot/loader/
|
||||||
|
fi
|
||||||
|
|
||||||
|
if [[ -n "${DIB_BOOTLOADER_SERIAL_CONSOLE}" ]]; then
|
||||||
|
SERIAL_CONSOLE="${DIB_BOOTLOADER_SERIAL_CONSOLE}"
|
||||||
|
elif [[ "powerpc ppc64 ppc64le" =~ "$ARCH" ]]; then
|
||||||
|
# Serial console on Power is hvc0
|
||||||
|
SERIAL_CONSOLE="hvc0"
|
||||||
|
elif [[ "arm64" =~ "$ARCH" ]]; then
|
||||||
|
SERIAL_CONSOLE="ttyAMA0,115200"
|
||||||
|
else
|
||||||
|
SERIAL_CONSOLE="ttyS0,115200"
|
||||||
|
fi
|
||||||
|
|
||||||
|
GRUB_CMDLINE_LINUX_DEFAULT="console=tty0 console=${SERIAL_CONSOLE} no_timer_check"
|
||||||
|
|
||||||
|
echo "GRUB_CMDLINE_LINUX_DEFAULT=\"${GRUB_CMDLINE_LINUX_DEFAULT} ${DIB_BOOTLOADER_DEFAULT_CMDLINE}\"" >>/etc/default/grub
|
||||||
|
echo 'GRUB_SERIAL_COMMAND="serial --speed=115200 --unit=0 --word=8 --parity=no --stop=1"' >>/etc/default/grub
|
||||||
|
|
||||||
|
# os-prober leaks /dev/sda into config file in dual-boot host
|
||||||
|
# Disable grub-os-prober to avoid the issue while running
|
||||||
|
# grub-mkconfig
|
||||||
|
# Setting a flag to track whether the entry is already there in grub config
|
||||||
|
PROBER_DISABLED=
|
||||||
|
if ! grep -qe "^\s*GRUB_DISABLE_OS_PROBER=true" /etc/default/grub; then
|
||||||
|
PROBER_DISABLED=true
|
||||||
|
echo 'GRUB_DISABLE_OS_PROBER=true' >> /etc/default/grub
|
||||||
|
fi
|
||||||
|
|
||||||
|
# GRUB_MKCONFIG call needs to happen after we configure
|
||||||
|
# /etc/default/grub above. Without this we can set inappropriate
|
||||||
|
# root device labels and then images don't boot.
|
||||||
|
#
|
||||||
|
# This produces a legacy config which both bios and uefi can boot
|
||||||
|
# Later we copy the final config to an efi specific location to
|
||||||
|
# support uefi specific functionality like secure boot.
|
||||||
|
$GRUB_MKCONFIG -o $GRUB_CFG
|
||||||
|
|
||||||
|
# Remove the fix to disable os_prober
|
||||||
|
if [ -n "$PROBER_DISABLED" ]; then
|
||||||
|
sed -i '$d' /etc/default/grub
|
||||||
|
fi
|
||||||
|
|
||||||
|
# Fix efi specific instructions in grub config file
|
||||||
|
if [ -d /sys/firmware/efi ]; then
|
||||||
|
sed -i 's%\(initrd\|linux\)efi /boot%\1 /boot%g' $GRUB_CFG
|
||||||
|
fi
|
||||||
|
|
||||||
|
# when using efi, and having linux16/initrd16, it needs to be replaced
|
||||||
|
# by linuxefi/initrdefi. When building images on a non-efi system,
|
||||||
|
# the 16 suffix is added to linux/initrd entries, but we need it to be
|
||||||
|
# linuxefi/initrdefi for the image to boot under efi
|
||||||
|
if [[ ${DIB_BLOCK_DEVICE} == "efi" ]]; then
|
||||||
|
sed -i 's%\(linux\|initrd\)16 /boot%\1efi /boot%g' $GRUB_CFG
|
||||||
|
|
||||||
|
# Finally copy the grub.cfg to the EFI specific dir to support
|
||||||
|
# functionality like secure boot. We make a copy because
|
||||||
|
# /boot and /boot/efi may be different partitions and uefi looks
|
||||||
|
# for a specific partition UUID preventing symlinks from working.
|
||||||
|
if [ -d /boot/efi/$EFI_BOOT_DIR ] ; then
|
||||||
|
cp $GRUB_CFG /boot/efi/$EFI_BOOT_DIR/grub.cfg
|
||||||
|
fi
|
||||||
|
fi
|
||||||
|
|
||||||
|
|
|
||||||
|
|
@ -0,0 +1,5 @@
|
||||||
|
---
|
||||||
|
deprecations:
|
||||||
|
- |
|
||||||
|
Removed support for ``extlinux`` and ``grub`` (as opposed to
|
||||||
|
``grub2``) support from the bootloader element.
|
||||||
Loading…
Reference in New Issue