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Move grubenv to EFI dir

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If the grubenv is regenerated, its changes won't be available to UEFI
boot systems unless the changed grubenv is copied to the EFI
directory.

This change copies the grubenv to the EFI directory when the grub.cfg
is copied.

Change-Id: I512502117a6bf1e6122fdfd8965ca488b4a5bae4
This commit is contained in:
Steve Baker 2021-08-10 10:51:55 +12:00
parent 59420be677
commit b01aac9715
1 changed files with 17 additions and 12 deletions
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29
diskimage_builder/elements/bootloader/finalise.d/50-bootloader
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@ -55,6 +55,16 @@ fi
echo "Installing GRUB2..."
# This might be better factored out into a per-distro 'install-bootblock'
# helper.
if [ -d /boot/grub2 ]; then
GRUB_CFG=/boot/grub2/grub.cfg
GRUBENV=/boot/grub2/grubenv
elif [ -d /boot/grub ]; then
GRUB_CFG=/boot/grub/grub.cfg
GRUBENV=/boot/grub/grubenv
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
@ -62,8 +72,8 @@ echo "Installing GRUB2..."
# 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 /boot/grub2/grubenv ]]; then
rm -f /boot/grub2/grubenv
if [[ -L $GRUBENV ]]; then
rm -f $GRUBENV
fi
# We need --force so grub does not fail due to being installed on the
@ -145,14 +155,6 @@ else
fi
fi
# This might be better factored out into a per-distro 'install-bootblock'
# helper.
if [ -d /boot/grub2 ]; then
GRUB_CFG=/boot/grub2/grub.cfg
elif [ -d /boot/grub ]; then
GRUB_CFG=/boot/grub/grub.cfg
fi
# Override the root device to the default label, and disable uuid
# lookup.
echo "GRUB_DEVICE=LABEL=${DIB_ROOT_LABEL}" >> /etc/default/grub
@ -238,12 +240,15 @@ fi
if [[ ${DIB_BLOCK_DEVICE} == "efi" ]]; then
sed -i 's%\(linux\|initrd\)16 /boot%\1efi /boot%g' $GRUB_CFG
# Finally copy the grub.cfg to the EFI specific dir to support
# functionality like secure boot. We make a copy because
# Finally copy the grub.cfg and grubenv to the EFI specific dir
# to support functionality like secure boot. We make a copy because
# /boot and /boot/efi may be different partitions and uefi looks
# for a specific partition UUID preventing symlinks from working.
if [ -d /boot/efi/$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