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#!/usr/bin/env bash
# Copyright (c) 2019, ARM Limited and Contributors. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# Redistributions of source code must retain the above copyright notice, this
# list of conditions and the following disclaimer.
#
# Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
#
# Neither the name of ARM nor the names of its contributors may be used
# to endorse or promote products derived from this software without specific
# prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
# check if the script is running with root permission
if [ "$EUID" -ne 0 ]
then
echo "Error: Please run as root"
exit 1
fi
MNT_DIR=/mnt
GRUB_DIR=${MNT_DIR}/EFI/fedora
GRUB_FILE=${GRUB_DIR}/grub.cfg
#variables for disk update
DIR=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )
TOP_DIR=`pwd`
PREBUILTS=${TOP_DIR}/prebuilts
FED_DISK_DIR=$PREBUILTS/refinfra
FED_DISK_NAME=fedora.satadisk
check_fedora_disk()
{
if [ -e $FED_DISK_DIR/$FED_DISK_NAME ]
then
echo "Info: Found the Fedora disk image"
else
echo ""
echo "Error: Fedora disk image not found. "
echo ""
echo "Please follow the instructions below:"
echo ""
echo "[1] Make sure to run this script from project's top directory"
echo "[2] Install the Fedora distribution "
echo "[3] Rename the installed fedora image from <random>.satadisk to fedora.satadisk"
echo "[4] Create a folder 'refinfra' under 'prebuilts' directory "
echo "[5] Move the installed fedora disk image to <project-loc>/prebuilts/refinfra/ folder "
echo "[6] Run this script again from the top directory with sudo permissions"
echo ""
exit 1
fi
}
update_grub ()
{
local root_uuid=$(sed -n 93p $GRUB_FILE | awk '{print $(NF)}')
local xfs_uuid=$(sed -n 97p $GRUB_FILE | awk '{print $(NF-2)}' | awk -F"=" '{ print $3 }')
if ! grep -q refinfra $GRUB_FILE; then
sed -i "84 a menuentry 'Fedora (refinfra) 27 (Server Edition)' --class fedora --class gnu-linux --class gnu --class os --unrestricted \$menuentry_id_option 'gnulinux-sgi-advanced-$xfs_uuid' --id fedora-refinfra {\n\
load_video\n\
insmod gzio\n\
insmod part_gpt\n\
insmod ext2\n\
set root='hd0,gpt2'\n\
if [ x\$feature_platform_search_hint = xy ]; then\n\
search --no-floppy --fs-uuid --set=root --hint-ieee1275='ieee1275//disk@0,gpt2' --hint-bios=hd0,gpt2 --hint-efi=hd0,gpt2 --hint-baremetal=ahci0,gpt2 $root_uuid\n\
else\n\
search --no-floppy --fs-uuid --set=root $root_uuid\n\
fi\n\
linux /vmlinux-refinfra root=UUID=$xfs_uuid ro\n\
initrd /initramfs-4.13.9-300.fc27.aarch64.img\n\
}\
" $GRUB_FILE
sed -i "23 a \
default=fedora-refinfra\
\n" $GRUB_FILE
echo "Info: RefInfra Linux kernel entry has been added to the Fedora Grub Menu."
echo ""
else
echo "Info: RefInfra Linux kernel entry already present in Fedora Grub Menu."
echo "Warn: Not updating the Grub menu."
echo ""
fi
}
package_kvm_tool ()
{
KVM_TOOL_URL=http://http.us.debian.org/debian/pool/main/k/kvmtool/kvmtool_0.20170904-1.1_arm64.deb
echo "Info: Downloading kvmtool binary"
KVMDIR=$PREBUILTS/refinfra/kvmtool
mkdir -p $KVMDIR
pushd $KVMDIR
wget $KVM_TOOL_URL
echo "Info: Unpacking KVM tool binary"
dpkg-deb -x kvmtool_0.20170904-1.1_arm64.deb .
mv usr/bin/lkvm .
rm -rf usr
cp lkvm /mnt/root/
popd
rm -rf $KVMDIR
echo "Info: KVM tool binary copied for Fedora disk"
echo ""
}
unmount_disk()
{
local loop_to_unmount=$(losetup -a | grep $FED_DISK_NAME | awk -F" " '{ print $1 }')
loop_to_unmount=${loop_to_unmount::-1}
echo "Info: Unmounting: $loop_to_unmount"
umount $loop_to_unmount
}
check_fedora_disk
efi_part_offset=$(fdisk -l $FED_DISK_DIR/$FED_DISK_NAME | grep $FED_DISK_NAME\1 | awk -F" " '{ print $2 }')
sector_size=$(fdisk -l $FED_DISK_DIR/$FED_DISK_NAME | grep Units | awk '{print $(NF-1)}')
efi_part_offset=$(expr $efi_part_offset \* $sector_size)
mount -o loop,offset=$efi_part_offset $FED_DISK_DIR/$FED_DISK_NAME $MNT_DIR
update_grub
unmount_disk
root_part_offset=$(fdisk -l $FED_DISK_DIR/$FED_DISK_NAME | grep $FED_DISK_NAME\4 | awk -F" " '{ print $2 }')
root_part_offset=$(expr $root_part_offset \* $sector_size)
mount -o loop,offset=$root_part_offset $FED_DISK_DIR/$FED_DISK_NAME $MNT_DIR
package_kvm_tool
unmount_disk
echo "Info: Fedora disk preparation completed."
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