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add reinstall and bootloader

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This commit is contained in:
Laila van Reenen 2025-02-16 17:04:52 +01:00
parent 1d901448ca
commit e992772134
Signed by: LailaTheElf
GPG Key ID: 8A3EF0226518C12D
1 changed files with 315 additions and 191 deletions
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216
elf_os.sh
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@ -4,6 +4,16 @@ SCRIPT_DIR="$(cd "$(dirname "$BASH_SOURCE[0]")" && pwd)"
. "$1" . "$1"
ROOT_PARTITION_MAP=""
ROOT_PARTITION_MAP_NAME=""
if [[ $ENCRYPT_DISK = "true" ]]
then
ROOT_PARTITION_MAP="/dev/mapper/cryptelfroot"
ROOT_PARTITION_MAP_NAME="cryptelfroot"
else
ROOT_PARTITION_MAP="${ROOT_PARTITION}"
fi
function run(){ function run(){
echo "[ ] $1" echo "[ ] $1"
echo "# $1" >>install.log echo "# $1" >>install.log
@ -32,64 +42,31 @@ function run-chroot(){
echo >>install.log echo >>install.log
} }
echo "" >install.log function preperations() {
if [[ $ENCRYPT_DISK = "true" ]]
then
echo -n "disk encryption password: "
read -s PASS
echo echo
echo -n "retype password: " echo === preperations
read -s PASSRE
echo
if [ "$PASS" != "$PASSRE" ]; then
echo "password do not match"
exit 1
fi
fi
echo -n "password for $USERNAME: "
read -s PASS_USER
echo
echo -n "retype password: "
read -s PASSRE_USER
echo
if [ "$PASS_USER" != "$PASSRE_USER" ]; then
echo "password do not match"
exit 2
fi
echo
echo
echo === setup localisation
echo echo
run "install git" "pacman -Sy --noconfirm git" run "install git" "pacman -Sy --noconfirm git"
run "enable ntp" "timedatectl set-ntp true" run "enable ntp" "timedatectl set-ntp true"
run "set timezone" "timedatectl set-timezone Europe/Amsterdam" run "set timezone" "timedatectl set-timezone Europe/Amsterdam"
}
function format_disk() {
echo echo
echo === setup partitions echo === format disk
echo echo
run "applly partion table" "sfdisk $DISK <$SFDISK_FILE" run "applly partion table" "sfdisk $DISK <$SFDISK_FILE"
run "format boot partition" "mkfs.fat -F 32 ${UEFI_PARTITION}" run "format boot partition" "mkfs.fat -F 32 ${UEFI_PARTITION}"
run "format swap partition" "mkswap ${SWAP_PARTITION}" run "format swap partition" "mkswap ${SWAP_PARTITION}"
ROOT_PARTITION_MAP="" if [[ $ENCRYPT_DISK = "true" ]]; then
if [[ $ENCRYPT_DISK = "true" ]]
then
ROOT_PARTITION_MAP="/dev/mapper/cryptelfroot"
ROOT_PARTITION_MAP_NAME="cryptelfroot"
echo -n "$PASS" >keyfile.luks echo -n "$PASS" >keyfile.luks
run "encrypt root partition" "cryptsetup luksFormat --batch-mode --key-file keyfile.luks ${ROOT_PARTITION}" "rm keyfile.luks" run "encrypt root partition" "cryptsetup luksFormat --batch-mode --key-file keyfile.luks ${ROOT_PARTITION}" "rm keyfile.luks"
run "map root partitaion" "cryptsetup open --batch-mode --key-file keyfile.luks ${ROOT_PARTITION} ${ROOT_PARTITION_MAP_NAME}" "rm keyfile.luks" run "map root partitaion" "cryptsetup open --batch-mode --key-file keyfile.luks ${ROOT_PARTITION} ${ROOT_PARTITION_MAP_NAME}" "rm keyfile.luks"
rm keyfile.luks rm keyfile.luks
run "format root partition" "mkfs.btrfs ${ROOT_PARTITION_MAP}" run "format root partition" "mkfs.btrfs ${ROOT_PARTITION_MAP}"
else else
ROOT_PARTITION_MAP="${ROOT_PARTITION}"
run "format root partition" "mkfs.btrfs ${ROOT_PARTITION}" run "format root partition" "mkfs.btrfs ${ROOT_PARTITION}"
fi fi
@ -99,12 +76,38 @@ run "create root btrfs subvolume" "btrfs subvolume create /mnt/@elfRoot_b"
run "create home btrfs subvolume" "btrfs subvolume create /mnt/@home" run "create home btrfs subvolume" "btrfs subvolume create /mnt/@home"
run "create home btrfs subvolume" "btrfs subvolume create /mnt/@var" run "create home btrfs subvolume" "btrfs subvolume create /mnt/@var"
run "unmount btrfs" "umount /mnt" run "unmount btrfs" "umount /mnt"
run "mount root subvolume" "mount -o subvol=@elfRoot_a ${ROOT_PARTITION_MAP} /mnt" if [[ $ENCRYPT_DISK = "true" ]]; then
run "unmap root partitaion" "cryptsetup close ${ROOT_PARTITION_MAP_NAME}"
fi
}
function mount_disk() {
subvol="@elfRoot_$1"
echo
echo === mount disk with subvol $1
echo
if [[ $ENCRYPT_DISK = "true" ]]; then
run "map root partitaion" "cryptsetup open --batch-mode --key-file keyfile.luks ${ROOT_PARTITION} ${ROOT_PARTITION_MAP_NAME}"
fi
run "mount root subvolume" "mount -o subvol=$subvol ${ROOT_PARTITION_MAP} /mnt"
run "mount home subvolume" "mount --mkdir -o subvol=@home ${ROOT_PARTITION_MAP} /mnt/home" run "mount home subvolume" "mount --mkdir -o subvol=@home ${ROOT_PARTITION_MAP} /mnt/home"
run "mount home subvolume" "mount --mkdir -o subvol=@var ${ROOT_PARTITION_MAP} /mnt/var" run "mount home subvolume" "mount --mkdir -o subvol=@var ${ROOT_PARTITION_MAP} /mnt/var"
run "mount boot partition" "mount --mkdir ${UEFI_PARTITION} /mnt/boot" run "mount boot partition" "mount --mkdir ${UEFI_PARTITION} /mnt/boot"
run "enable swap" "swapon ${SWAP_PARTITION}" run "enable swap" "swapon ${SWAP_PARTITION}"
}
function umount_disk() {
echo
echo === mount disk
echo
run "mount root subvolume" "umount -R /mnt"
run "unmap root partitaion" "cryptsetup close ${ROOT_PARTITION_MAP_NAME}"
run "enable swap" "swapoff ${SWAP_PARTITION}"
}
function install_base() {
echo echo
echo === install arch echo === install arch
echo echo
@ -113,7 +116,9 @@ run "install base of arch" "pacstrap /mnt base linux linux-firmware"
run "intall utitlities" "pacstrap /mnt btrfs-progs man vim sudo" run "intall utitlities" "pacstrap /mnt btrfs-progs man vim sudo"
run "intall networkmanager" "pacstrap /mnt networkmanager" run "intall networkmanager" "pacstrap /mnt networkmanager"
run "generate fstab" "genfstab -U /mnt >>/mnt/etc/fstab" run "generate fstab" "genfstab -U /mnt >>/mnt/etc/fstab"
}
function set_locals() {
echo echo
echo === set locals echo === set locals
echo echo
@ -130,7 +135,9 @@ run-chroot "create hosts file" "cat >/etc/hosts <<EOF
127.0.1.1 $HOSTNAME 127.0.1.1 $HOSTNAME
EOF EOF
" "
}
function install_bootloader() {
echo echo
echo === install bootloader echo === install bootloader
echo echo
@ -146,14 +153,12 @@ BOAT_LOADER_OPTIONS_A="cryptdevice=UUID=${DISKUUID}:${ROOT_PARTITION_MAP_NAME}:a
fi fi
BOAT_LOADER_OPTIONS_A="${BOAT_LOADER_OPTIONS_A}root=${ROOT_PARTITION_MAP} " BOAT_LOADER_OPTIONS_A="${BOAT_LOADER_OPTIONS_A}root=${ROOT_PARTITION_MAP} "
BOAT_LOADER_OPTIONS_A="${BOAT_LOADER_OPTIONS_A}rootflags=subvol=@elfRoot_a " BOAT_LOADER_OPTIONS_A="${BOAT_LOADER_OPTIONS_A}rootflags=subvol=@elfRoot_a "
BOAT_LOADER_OPTIONS_B="${BOAT_LOADER_OPTIONS_A}rootflags=subvol=@elfRoot_b "
if [[ $ENCRYPT_DISK = "true" ]] if [[ $ENCRYPT_DISK = "true" ]]
then then
BOAT_LOADER_OPTIONS_A="${BOAT_LOADER_OPTIONS_A}rd.luks.options=discard " BOAT_LOADER_OPTIONS_A="${BOAT_LOADER_OPTIONS_A}rd.luks.options=discard "
BOAT_LOADER_OPTIONS_B="${BOAT_LOADER_OPTIONS_B}rd.luks.options=discard "
fi fi
BOAT_LOADER_OPTIONS_A="${BOAT_LOADER_OPTIONS_A}rw" BOAT_LOADER_OPTIONS_A="${BOAT_LOADER_OPTIONS_A}rw"
BOAT_LOADER_OPTIONS_B="${BOAT_LOADER_OPTIONS_B}rw" BOAT_LOADER_OPTIONS_B="$(echo ${BOAT_LOADER_OPTIONS_A} | sed -e 's/@elfRoot_a/@elfRoot_b/g')"
run-chroot "install systemd-boot" "bootctl install" run-chroot "install systemd-boot" "bootctl install"
run-chroot "create boot config A" "cat >/boot/loader/entries/elfA.conf <<EOF run-chroot "create boot config A" "cat >/boot/loader/entries/elfA.conf <<EOF
title E.L.F. OS (A) title E.L.F. OS (A)
@ -176,7 +181,9 @@ console-mode max
editor no editor no
EOF EOF
" "
}
function create_user() {
echo echo
echo === setup user echo === setup user
echo echo
@ -188,13 +195,17 @@ arch-chroot /mnt bash -c "echo \"${USERNAME}:${PASS_USER}\" | chpasswd" # don't
run-chroot "add user to sudoers" "echo \"%admin ALL=(ALL:ALL) ALL\" >>/etc/sudoers" run-chroot "add user to sudoers" "echo \"%admin ALL=(ALL:ALL) ALL\" >>/etc/sudoers"
run "clone keys repo" "git clone https://gitea.finnvanreenen.nl/LailaTheElf/keys.git /mnt/opt/keys" run "clone keys repo" "git clone https://gitea.finnvanreenen.nl/LailaTheElf/keys.git /mnt/opt/keys"
run-chroot "create authoized keys" "cd /opt/keys/ssh && cat ${USER_SSH_KEYS} > /home/${USERNAME}/.ssh/authorized_keys" run-chroot "create authoized keys" "cd /opt/keys/ssh && cat ${USER_SSH_KEYS} > /home/${USERNAME}/.ssh/authorized_keys"
}
function miscellaneous() {
echo echo
echo === miscellaneous echo === miscellaneous
echo echo
run "set udev rules" "cp $SCRIPT_DIR/configs/udev/*.rules /mnt/etc/udev.d/rules/" run "set udev rules" "cp $SCRIPT_DIR/configs/udev/*.rules /mnt/etc/udev.d/rules/"
}
function prepair_firt_boot() {
echo echo
echo === prepair first boot echo === prepair first boot
echo echo
@ -226,11 +237,124 @@ EOF
run-chroot "enable first boot service" "systemctl enable first_boot.service" run-chroot "enable first boot service" "systemctl enable first_boot.service"
run "make elfOS log dir" "mkdir /mnt/var/log/elfOS && chmod 700 /mnt/var/log/elfOS" run "make elfOS log dir" "mkdir /mnt/var/log/elfOS && chmod 700 /mnt/var/log/elfOS"
run "copy install log to disk" "cp $SCRIPT_DIR/install.log /mnt/var/log/elfOS/install.log && chmod 700 /mnt/var/log/elfOS/install.log" run "copy install log to disk" "cp $SCRIPT_DIR/install.log /mnt/var/log/elfOS/install.log && chmod 700 /mnt/var/log/elfOS/install.log"
}
function copy_a_to_b() {
if [[ $ENCRYPT_DISK = "true" ]]; then
run "map root partitaion" "cryptsetup open --batch-mode --key-file keyfile.luks ${ROOT_PARTITION} ${ROOT_PARTITION_MAP_NAME}"
fi
run "mount disk" "mount ${ROOT_PARTITION_MAP} /mnt"
run "copy a to b" "cp -R /mnt/@elfRoot_a /mnt/@elfRoot_b"
}
echo "" >install.log
case $2 in
install)
if [[ $ENCRYPT_DISK = "true" ]]
then
echo -n "disk encryption password: "
read -s PASS
echo echo
echo === umount and reboot echo -n "retype password: "
read -s PASSRE
echo
if [ "$PASS" != "$PASSRE" ]; then
echo "password do not match"
exit 1
fi
fi
echo -n "password for $USERNAME: "
read -s PASS_USER
echo
echo -n "retype password: "
read -s PASSRE_USER
echo
if [ "$PASS_USER" != "$PASSRE_USER" ]; then
echo "password do not match"
exit 2
fi
echo -n "are you sure you want to format ${DISK} (y/N): "
read -s confirm
echo
if [ "$confirm" != "y" ]; then
echo "exit"
exit 2
fi
preperations
format_disk
mount_disk a
install_base
set_locals
install_bootloader
create_user
miscellaneous
prepair_firt_boot
umount_disk
copy_a_to_b
;;
reinstall_*)
if [[ $ENCRYPT_DISK = "true" ]]; then
echo -n "disk encryption password: "
read -s PASS
echo
fi
echo -n "password for $USERNAME: "
read -s PASS_USER
echo
echo -n "retype password: "
read -s PASSRE_USER
echo
if [ "$PASS_USER" != "$PASSRE_USER" ]; then
echo "password do not match"
exit 2
fi
echo
preperations
if [[ "$2" = "reinstall_a"]]; then
mount_disk a
else
mount_disk b
fi
install_base
set_locals
install_bootloader
create_user
miscellaneous
prepair_firt_boot
umount_disk
;;
bootloader)
if [[ $ENCRYPT_DISK = "true" ]]; then
echo -n "disk encryption password: "
read -s PASS
echo
fi
preperations
mount_disk a
install_bootloader
umount_disk
;;
*)
echo "$0 <config_file> <action>"
echo
echo "action:"
echo " install: install the full os"
echo " reinstall_a: re install os on system A"
echo " reinstall_b: re install os on system B"
echo " bootloader: re setup the bootloader"
;;
esac
echo
echo === reboot
echo echo
run "umount drives" "umount -R /mnt"
run "close cryptelfroot" "cryptsetup close cryptelfroot"
run "reboot" "shutdown -r now" run "reboot" "shutdown -r now"