200 lines
5.2 KiB
Bash
200 lines
5.2 KiB
Bash
#!/bin/sh -e
|
|
#
|
|
# Copyright (c) 2012, Intel Corporation.
|
|
# All rights reserved.
|
|
#
|
|
# install.sh [device_name] [rootfs_name]
|
|
#
|
|
|
|
PATH=/sbin:/bin:/usr/sbin:/usr/bin
|
|
|
|
# We need 200 Mb for the boot partition
|
|
boot_size=200
|
|
|
|
# 50% for the second rootfs
|
|
testfs_ratio=50
|
|
|
|
found="no"
|
|
|
|
echo "Searching for a hard drive..."
|
|
for device in 'hda' 'hdb' 'sda' 'sdb' 'mmcblk0' 'mmcblk1'
|
|
do
|
|
if [ -e /sys/block/${device}/removable ]; then
|
|
if [ "$(cat /sys/block/${device}/removable)" = "0" ]; then
|
|
found="yes"
|
|
|
|
while true; do
|
|
# Try sleeping here to avoid getting kernel messages
|
|
# obscuring/confusing user
|
|
sleep 5
|
|
echo "Found drive at /dev/${device}. Do you want to install this image there ? [y/n]"
|
|
read answer
|
|
if [ "$answer" = "y" ] ; then
|
|
break
|
|
fi
|
|
|
|
if [ "$answer" = "n" ] ; then
|
|
found=no
|
|
break
|
|
fi
|
|
|
|
echo "Please answer y or n"
|
|
done
|
|
fi
|
|
fi
|
|
|
|
if [ "$found" = "yes" ]; then
|
|
break;
|
|
fi
|
|
|
|
done
|
|
|
|
if [ "$found" = "no" ]; then
|
|
exit 1
|
|
fi
|
|
|
|
echo "Installing image on /dev/${device}"
|
|
|
|
#
|
|
# The udev automounter can cause pain here, kill it
|
|
#
|
|
rm -f /etc/udev/rules.d/automount.rules
|
|
rm -f /etc/udev/scripts/mount*
|
|
|
|
#
|
|
# Unmount anything the automounter had mounted
|
|
#
|
|
umount /dev/${device}* 2> /dev/null || /bin/true
|
|
|
|
mkdir -p /tmp
|
|
cat /proc/mounts > /etc/mtab
|
|
|
|
disk_size=$(parted /dev/${device} unit mb print | grep '^Disk .*: .*MB' | cut -d" " -f 3 | sed -e "s/MB//")
|
|
|
|
testfs_size=$((disk_size*testfs_ratio/100))
|
|
rootfs_size=$((disk_size-boot_size-testfs_size))
|
|
|
|
rootfs_start=$((boot_size))
|
|
rootfs_end=$((rootfs_start+rootfs_size))
|
|
testfs_start=$((rootfs_end))
|
|
|
|
# MMC devices are special in a couple of ways
|
|
# 1) they use a partition prefix character 'p'
|
|
# 2) they are detected asynchronously (need rootwait)
|
|
rootwait=""
|
|
part_prefix=""
|
|
if [ ! "${device#mmcblk}" = "${device}" ]; then
|
|
part_prefix="p"
|
|
rootwait="rootwait"
|
|
fi
|
|
bootfs=/dev/${device}${part_prefix}1
|
|
rootfs=/dev/${device}${part_prefix}2
|
|
testfs=/dev/${device}${part_prefix}3
|
|
|
|
echo "*****************"
|
|
echo "Boot partition size: $boot_size MB ($bootfs)"
|
|
echo "Rootfs partition size: $rootfs_size MB ($rootfs)"
|
|
echo "Testfs partition size: $testfs_size MB ($testfs)"
|
|
echo "*****************"
|
|
echo "Deleting partition table on /dev/${device} ..."
|
|
dd if=/dev/zero of=/dev/${device} bs=512 count=2
|
|
|
|
echo "Creating new partition table on /dev/${device} ..."
|
|
parted /dev/${device} mklabel gpt
|
|
|
|
echo "Creating boot partition on $bootfs"
|
|
parted /dev/${device} mkpart primary 0% $boot_size
|
|
parted /dev/${device} set 1 boot on
|
|
|
|
echo "Creating rootfs partition on $rootfs"
|
|
parted /dev/${device} mkpart primary $rootfs_start $rootfs_end
|
|
|
|
echo "Creating testfs partition on $testfs"
|
|
parted /dev/${device} mkpart primary $testfs_start 100%
|
|
|
|
parted /dev/${device} print
|
|
|
|
echo "Formatting $bootfs to vfat..."
|
|
mkfs.vfat -n "boot" $bootfs
|
|
|
|
echo "Formatting $rootfs to ext3..."
|
|
mkfs.ext3 -L "platform" $rootfs
|
|
|
|
echo "Formatting $testfs to ext3..."
|
|
mkfs.ext3 -L "testrootfs" $testfs
|
|
|
|
mkdir /ssd
|
|
mkdir /rootmnt
|
|
mkdir /bootmnt
|
|
|
|
mount $rootfs /ssd
|
|
mount -o rw,loop,noatime,nodiratime /run/media/$1/$2 /rootmnt
|
|
|
|
echo "Copying rootfs files..."
|
|
cp -a /rootmnt/* /ssd
|
|
|
|
touch /ssd/etc/masterimage
|
|
|
|
if [ -d /ssd/etc/ ] ; then
|
|
# We dont want udev to mount our root device while we're booting...
|
|
if [ -d /ssd/etc/udev/ ] ; then
|
|
echo "/dev/${device}" >> /ssd/etc/udev/mount.blacklist
|
|
fi
|
|
fi
|
|
|
|
umount /ssd
|
|
umount /rootmnt
|
|
|
|
echo "Preparing boot partition..."
|
|
mount $bootfs /ssd
|
|
|
|
EFIDIR="/ssd/EFI/BOOT"
|
|
mkdir -p $EFIDIR
|
|
cp /run/media/$1/vmlinuz /ssd
|
|
# Copy the efi loader
|
|
cp /run/media/$1/EFI/BOOT/*.efi $EFIDIR
|
|
|
|
if [ -f /run/media/$1/EFI/BOOT/grub.cfg ]; then
|
|
GRUBCFG="$EFIDIR/grub.cfg"
|
|
cp /run/media/$1/EFI/BOOT/grub.cfg $GRUBCFG
|
|
# Update grub config for the installed image
|
|
# Delete the install entry
|
|
sed -i "/menuentry 'install'/,/^}/d" $GRUBCFG
|
|
# Delete the initrd lines
|
|
sed -i "/initrd /d" $GRUBCFG
|
|
# Delete any LABEL= strings
|
|
sed -i "s/ LABEL=[^ ]*/ /" $GRUBCFG
|
|
# Delete any root= strings
|
|
sed -i "s/ root=[^ ]*/ /" $GRUBCFG
|
|
# Add the root= and other standard boot options
|
|
sed -i "s@linux /vmlinuz *@linux /vmlinuz root=$rootfs rw $rootwait quiet @" $GRUBCFG
|
|
fi
|
|
|
|
if [ -d /run/media/$1/loader ]; then
|
|
SYSTEMDBOOT_CFGS="/ssd/loader/entries/*.conf"
|
|
# copy config files for systemd-boot
|
|
cp -dr /run/media/$1/loader /ssd
|
|
# delete the install entry
|
|
rm -f /ssd/loader/entries/install.conf
|
|
# delete the initrd lines
|
|
sed -i "/initrd /d" $SYSTEMDBOOT_CFGS
|
|
# delete any LABEL= strings
|
|
sed -i "s/ LABEL=[^ ]*/ /" $SYSTEMDBOOT_CFGS
|
|
# delete any root= strings
|
|
sed -i "s/ root=[^ ]*/ /" $SYSTEMDBOOT_CFGS
|
|
# add the root= and other standard boot options
|
|
sed -i "s@options *@options root=$rootfs rw $rootwait quiet @" $SYSTEMDBOOT_CFGS
|
|
# Add the test label
|
|
echo -ne "title test\nlinux /test-kernel\noptions root=$testfs rw $rootwait quiet\n" > /ssd/loader/entries/test.conf
|
|
fi
|
|
|
|
umount /ssd
|
|
sync
|
|
|
|
echo "Remove your installation media, and press ENTER"
|
|
|
|
read enter
|
|
|
|
echo "Rebooting..."
|
|
reboot -f
|