b774869c3b
After some recent reordering[0], the /boot/grub directory isn't created early enough on Gentoo any more, let us just ensure ourselves that it is in place when we create the grub config. [0] I8cb34914bbbfa05521bbb71cc6637368b980358f Change-Id: I8a84d08c3090e46b00d1d626fb984f66ea33f256
215 lines
7.7 KiB
Bash
Executable File
215 lines
7.7 KiB
Bash
Executable File
#!/bin/bash
|
|
|
|
# Configure grub. Note that the various conditionals here are to handle
|
|
# different distributions gracefully.
|
|
|
|
if [ ${DIB_DEBUG_TRACE:-1} -gt 0 ]; then
|
|
set -x
|
|
fi
|
|
set -eu
|
|
set -o pipefail
|
|
|
|
if [ ${DIB_EXTLINUX:-0} != "0" ]; then
|
|
echo "DIB_EXTLINUX no longer supported"
|
|
exit 1
|
|
fi
|
|
|
|
# Some distros have pre-installed grub in some other way, and want to
|
|
# skip this.
|
|
if [[ -f "/tmp/grub/install" ]]; then
|
|
exit 0
|
|
fi
|
|
|
|
BOOT_DEV=$IMAGE_BLOCK_DEVICE
|
|
# All available devices, handy for some bootloaders...
|
|
declare -A DEVICES
|
|
eval DEVICES=( $IMAGE_BLOCK_DEVICES )
|
|
|
|
DIB_BLOCK_DEVICE=${DIB_BLOCK_DEVICE:-}
|
|
|
|
# Right now we can't use pkg-map to branch by arch, so tag an
|
|
# architecture specific virtual package so we can install the
|
|
# rigth thing based on distribution.
|
|
if [[ "$ARCH" =~ "ppc" ]]; then
|
|
install-packages -m bootloader grub-ppc64
|
|
elif [[ "${DIB_BLOCK_DEVICE}" == "mbr" ||
|
|
"${DIB_BLOCK_DEVICE}" == "gpt" ]]; then
|
|
install-packages -m bootloader grub-pc
|
|
elif [[ "${DIB_BLOCK_DEVICE}" == "efi" ]]; then
|
|
install-packages -m bootloader grub-efi grub-efi-$ARCH
|
|
else
|
|
install-packages -m bootloader grub-pc grub-efi grub-efi-$ARCH
|
|
fi
|
|
|
|
GRUBNAME=$(type -p grub-install) || echo "trying grub2-install"
|
|
if [ -z "$GRUBNAME" ]; then
|
|
GRUBNAME=$(type -p grub2-install)
|
|
fi
|
|
|
|
if type grub2-mkconfig >/dev/null; then
|
|
GRUB_MKCONFIG="grub2-mkconfig"
|
|
else
|
|
GRUB_MKCONFIG="grub-mkconfig"
|
|
fi
|
|
|
|
if [[ ! $($GRUBNAME --version) =~ ' 2.' ]]; then
|
|
echo "Failure: not grub2"
|
|
exit 1
|
|
fi
|
|
|
|
# Some distros keep things in /boot/grub2, others in /boot/grub
|
|
if [ -d /boot/grub2 ]; then
|
|
GRUB_CFG=/boot/grub2/grub.cfg
|
|
GRUBENV=/boot/grub2/grubenv
|
|
else
|
|
# NOTE(ianw) This used to be behind a "-d /boot/grub" but this
|
|
# directory doesn't seem to exist for gentoo at this point;
|
|
# something creates it later. So we just fallback to this
|
|
# unconditionally.
|
|
GRUB_CFG=/boot/grub/grub.cfg
|
|
GRUBENV=/boot/grub/grubenv
|
|
mkdir -p /boot/grub
|
|
fi
|
|
|
|
# When using EFI image-based builds, particularly rhel element
|
|
# based on RHEL>=8.2 .qcow2, we might have /boot/grub2/grubenv
|
|
# as a dangling symlink to /boot/efi because we have extracted
|
|
# it from the root fs, but we didn't populate the separate EFI
|
|
# boot partition from the image. grub2-install calls rename()
|
|
# on this file, so if it's a dangling symlink it errors. Just
|
|
# remove it if it exists.
|
|
if [[ -L $GRUBENV ]]; then
|
|
rm -f $GRUBENV
|
|
fi
|
|
|
|
echo "GRUB_DEVICE=LABEL=${DIB_ROOT_LABEL}" >> /etc/default/grub
|
|
echo 'GRUB_DISABLE_LINUX_UUID=true' >> /etc/default/grub
|
|
echo "GRUB_TIMEOUT=${DIB_GRUB_TIMEOUT:-5}" >>/etc/default/grub
|
|
echo 'GRUB_TERMINAL="serial console"' >>/etc/default/grub
|
|
echo 'GRUB_GFXPAYLOAD_LINUX=auto' >>/etc/default/grub
|
|
|
|
if [[ -n "${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 $GRUB_CFG
|
|
|
|
# If we are using BLS, for debugging purposes dump out the kernel
|
|
if [[ -e /boot/loader/entries ]]; then
|
|
grubby --info=ALL
|
|
fi
|
|
|
|
# Remove the fix to disable os_prober
|
|
if [ -n "$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' $GRUB_CFG
|
|
|
|
# Finally copy the grub.cfg and grubenv to the EFI specific dir
|
|
# to support functionality like secure boot. We make a copy because
|
|
# /boot and /boot/efi may be different partitions and uefi looks
|
|
# for a specific partition UUID preventing symlinks from working.
|
|
if [ -d /boot/efi/$EFI_BOOT_DIR ] ; then
|
|
cp $GRUB_CFG /boot/efi/$EFI_BOOT_DIR/grub.cfg
|
|
if [ -a $GRUBENV ]; then
|
|
cp $GRUBENV /boot/efi/$EFI_BOOT_DIR/grubenv
|
|
fi
|
|
fi
|
|
fi
|
|
|
|
if [[ ! "$ARCH" =~ "ppc" ]] && [[ -z "${DIB_BLOCK_DEVICE}" ]]; then
|
|
echo "WARNING: No bootloader installation will occur."
|
|
echo "To install a bootloader ensure you have included a block-device-* element"
|
|
exit 0
|
|
fi
|
|
|
|
echo "Installing GRUB2..."
|
|
|
|
# We need --force so grub does not fail due to being installed on the
|
|
# root partition of a block device.
|
|
GRUB_OPTS="--force "
|
|
|
|
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
|
|
if [[ ! "x86_64 amd64" =~ ${ARCH} ]]; then
|
|
echo "*** ${ARCH} is not supported by mbr/gpt"
|
|
fi
|
|
$GRUBNAME --modules="$modules biosdisk" --target=i386-pc \
|
|
$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
|