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citadel/scripts/install_image

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2018-01-18 18:22:23 -05:00
#!/bin/bash
# tips here https://github.com/systemd/systemd/issues/6381
set -u
set -e
#set -x
SCRIPT=$(realpath ${BASH_SOURCE})
IMAGES=$(realpath $(dirname ${SCRIPT})/../build/images/)
image_file() {
local fname=$(readlink -f ${IMAGES}/${1})
if [[ ! -f ${fname} ]]; then
>&2 printf "File ${fname} does not exist\n"
exit 1
fi
printf $fname
}
EFIBOOT=$(image_file systemd-bootx64.efi)
KERNEL=$(image_file bzImage)
ROOTFS=$(image_file citadel-image-intel-corei7-64.ext2)
UUID="683a17fc-4457-42cc-a946-cde67195a101"
KERNEL_CMDLINE="add_efi_memmap intel_iommu=off cryptomgr.notests rcupdate.rcu_expedited=1 rcu_nocbs=0-64 tsc=reliable no_timer_check noreplace-smp i915.fastboot=1 quiet splash"
MOUNT_PATH=/tmp/citadel-boot-mount
TARGET=/dev/sdb
TARGET_BOOT=${TARGET}1
TARGET_LVM=${TARGET}2
PARTED="parted -a optimal ${TARGET}"
is_mounted() {
echo "is mounted $1"
for mnt in $(awk '{print $1}' < /proc/self/mounts); do
[[ $mnt == $1 ]] && return 0
done
return 1
}
unmount_partition() {
echo "unmount partition $1"
if ! is_mounted $1 ; then
printf "$1 is not mounted\n"
return
fi
}
unmount_device() {
echo "unmount device"
for p in ${TARGET}*; do
is_mounted $p && unmount_partition $p
done
echo "done unmount device"
}
remove_volume() {
local vg
# find volume group name
vg=$(pvs --noheadings -o vg_name ${1})
# echo to strip whitespace
[[ -n $(echo -n ${vg}) ]] && vgremove ${vg}
pvremove ${1}
}
remove_volumes() {
echo "remove volumes"
for p in ${TARGET}*; do
pvs ${p} && remove_volume ${p}
done
return 0
}
partition_device() {
${PARTED} -s mklabel gpt
${PARTED} mkpart boot fat32 0% 512MiB
${PARTED} set 1 boot on
${PARTED} mkpart data ext4 512MiB 100%
${PARTED} set 2 lvm on
mkfs.vfat -F 32 ${TARGET_BOOT}
}
setup_luks() {
printf "subgraph" | cryptsetup -q --uuid=${UUID} luksFormat ${TARGET_LVM} -
printf "subgraph" | cryptsetup open --type luks --key-file - ${TARGET_LVM} e1
}
setup_lvm() {
pvcreate -ff /dev/mapper/e1
vgcreate --yes citadel /dev/mapper/e1
#pvcreate -ff ${TARGET_LVM}
#vgcreate --yes citadel ${TARGET_LVM}
lvcreate --yes --size 2g --name rootfsA citadel
lvcreate --yes --size 2g --name rootfsB citadel
lvcreate --yes --extents 100%VG --name storage citadel
mkfs.ext4 /dev/mapper/citadel-storage
}
make_loader_conf() {
echo "default bootA"
echo "timeout 5"
}
make_boot_conf() {
echo "title Subgraph OS (Airwolf Edition) [Root Partition ${1}]"
echo "linux /bzImage"
echo "options LABEL=Boot root=/dev/mapper/citadel-rootfs${1} ${KERNEL_CMDLINE}"
}
setup_efi() {
mkdir -p ${MOUNT_PATH}
mount ${TARGET_BOOT} ${MOUNT_PATH}
mkdir -p ${MOUNT_PATH}/EFI/BOOT
mkdir -p ${MOUNT_PATH}/loader/entries
cp ${EFIBOOT} ${MOUNT_PATH}/EFI/BOOT/bootx64.efi
cp ${KERNEL} ${MOUNT_PATH}/bzImage
make_loader_conf > ${MOUNT_PATH}/loader/loader.conf
make_boot_conf 'A' > ${MOUNT_PATH}/loader/entries/bootA.conf
make_boot_conf 'B' > ${MOUNT_PATH}/loader/entries/bootB.conf
umount ${MOUNT_PATH}
rmdir ${MOUNT_PATH}
}
write_root() {
echo "writing rootfsA"
dd if=${ROOTFS} of=/dev/mapper/citadel-rootfsA bs=4M status=progress
sync
}
blkdeactivate -v ${TARGET}
unmount_device
remove_volumes
partition_device
setup_luks
setup_lvm
setup_efi
write_root
vgchange -a n citadel
cryptsetup close e1