ElfOS/elf_os.sh

370 lines
12 KiB
Bash
Executable File

#!/bin/bash
set -e
SCRIPT_DIR="$(cd "$(dirname "$BASH_SOURCE[0]")" && pwd)"
. "$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(){
echo "[ ] $1"
echo "# $1" >>install.log
echo "> $2" >>install.log
bash -c "$2" &>>install.log \
&& echo -e "\e[1A\e[K[ \e[32mOK\e[0m ] $1" \
|| {
echo -e "\e[1A\e[K[\e[31mFAIL\e[0m] $1"
bash -c "$3"
exit 10
}
echo >>install.log
}
function run-chroot(){
echo "[ ] $1"
echo "# $1" >>install.log
echo "> chroot /mnt $2" >>install.log
arch-chroot /mnt bash -c "$2" &>>install.log \
&& echo -e "\e[1A\e[K[ \e[32mOK\e[0m ] $1" \
|| {
echo -e "\e[1A\e[K[\e[31mFAIL\e[0m] $1"
bash -c "$3"
exit 20
}
echo >>install.log
}
function preperations() {
echo
echo === preperations
echo
run "install git" "pacman -Sy --noconfirm git"
run "enable ntp" "timedatectl set-ntp true"
run "set timezone" "timedatectl set-timezone Europe/Amsterdam"
}
function format_disk() {
echo
echo === format disk
echo
run "applly partion table" "sfdisk $DISK <$SFDISK_FILE"
run "format boot partition" "mkfs.fat -F 32 ${UEFI_PARTITION}"
run "format swap partition" "mkswap ${SWAP_PARTITION}"
if [[ $ENCRYPT_DISK = "true" ]]; then
echo -n "$PASS" >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"
rm keyfile.luks
run "format root partition" "mkfs.btrfs ${ROOT_PARTITION_MAP}"
else
run "format root partition" "mkfs.btrfs ${ROOT_PARTITION}"
fi
run "mount root partition" "mount ${ROOT_PARTITION_MAP} /mnt"
run "create root btrfs subvolume" "btrfs subvolume create /mnt/@elfRoot_a"
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/@var"
run "unmount btrfs" "umount /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 [[ $ENCRYPT_DISK = "true" ]]; then
echo -n "$PASS" >keyfile.luks
run "map root partitaion" "cryptsetup open --batch-mode --key-file keyfile.luks ${ROOT_PARTITION} ${ROOT_PARTITION_MAP_NAME}"
rm keyfile.luks
fi
run "mount root subvolume" "mount -o subvol=$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=@var ${ROOT_PARTITION_MAP} /mnt/var"
run "mount boot partition" "mount --mkdir ${UEFI_PARTITION} /mnt/boot"
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 ${SWAP_PARTITION}"
}
function install_base() {
echo
echo === install arch
echo
run "install base of arch" "pacstrap /mnt base linux linux-firmware"
run "intall utitlities" "pacstrap /mnt btrfs-progs man vim sudo"
run "intall networkmanager" "pacstrap /mnt networkmanager"
run "generate fstab" "genfstab -U /mnt >>/mnt/etc/fstab"
}
function set_locals() {
echo
echo === set locals
echo
run-chroot "set timezone" "ln -sf /usr/share/zoneinfo/Europe/Amsterdam /etc/localtime"
run-chroot "set hwclock to UTC" "hwclock --systohc"
run-chroot "update locals.gen" "sed --in-place -E -e 's/^#?en_GB.UTF-8/en_GB.UTF-8/' -e 's/^#?en_US.UTF-8/en_US.UTF-8/' /etc/locale.gen"
run-chroot "generate locals" "locale-gen"
run-chroot "config locals" "echo \"LANG=en_GB.UTF-8\" >/etc/locale.conf"
run-chroot "set hostname" "echo \"$HOSTNAME\" >/etc/hostname"
run-chroot "create hosts file" "cat >/etc/hosts <<EOF
127.0.0.1 localhost
::1 localhost
127.0.1.1 $HOSTNAME
EOF
"
}
function install_bootloader() {
echo
echo === install bootloader
echo
run-chroot "config initramfs" "sed --in-place -e 's/HOOKS=(.*)/HOOKS=(base udev autodetect microcode modconf kms keyboard block encrypt filesystems fsck)/' /etc/mkinitcpio.conf"
run-chroot "generate initramfs" "mkinitcpio -P"
DISKUUID=$(blkid --output export ${ROOT_PARTITION} | grep '^UUID' | sed 's/UUID=//')
BOAT_LOADER_OPTIONS_A=""
if [[ $ENCRYPT_DISK = "true" ]]
then
BOAT_LOADER_OPTIONS_A="cryptdevice=UUID=${DISKUUID}:${ROOT_PARTITION_MAP_NAME}:allow-discards "
fi
BOAT_LOADER_OPTIONS_A="${BOAT_LOADER_OPTIONS_A}root=${ROOT_PARTITION_MAP} "
BOAT_LOADER_OPTIONS_A="${BOAT_LOADER_OPTIONS_A}rootflags=subvol=@elfRoot_a "
if [[ $ENCRYPT_DISK = "true" ]]
then
BOAT_LOADER_OPTIONS_A="${BOAT_LOADER_OPTIONS_A}rd.luks.options=discard "
fi
BOAT_LOADER_OPTIONS_A="${BOAT_LOADER_OPTIONS_A}rw"
BOAT_LOADER_OPTIONS_B="$(echo ${BOAT_LOADER_OPTIONS_A} | sed -e 's/@elfRoot_a/@elfRoot_b/g')"
run-chroot "install systemd-boot" "bootctl install"
run-chroot "create boot config A" "cat >/boot/loader/entries/elfA.conf <<EOF
title E.L.F. OS (A)
linux /vmlinuz-linux
initrd /initramfs-linux.img
options ${BOAT_LOADER_OPTIONS_A}
EOF
"
run-chroot "create boot config B" "cat >/boot/loader/entries/elfB.conf <<EOF
title E.L.F. OS (B)
linux /vmlinuz-linux
initrd /initramfs-linux-fallback.img
options ${BOAT_LOADER_OPTIONS_B}
EOF
"
run-chroot "create main boot config" "cat >/boot/loader/loader.conf <<EOF
default elfA.conf
timeout 4
console-mode max
editor no
EOF
"
}
function create_user() {
echo
echo === setup user
echo
run-chroot "add .ssh dir to skel" "mkdir -p /etc/skel/.ssh"
run-chroot "create admin group" "groupadd admin"
run-chroot "create user" "useradd --home-dir /home/${USERNAME} --create-home --skel /etc/skel ${USERNAME} --groups admin"
arch-chroot /mnt bash -c "echo \"${USERNAME}:${PASS_USER}\" | chpasswd" # don't log the password
run-chroot "add user to sudoers" "echo \"%admin ALL=(ALL:ALL) ALL\" >>/etc/sudoers"
run "clone keys repo" "git clone ${SSH_KEY_REPO} /mnt/opt/keys"
run-chroot "create authoized keys" "cd /opt/keys/ssh && cat ${USER_SSH_KEYS} > /home/${USERNAME}/.ssh/authorized_keys"
}
function miscellaneous() {
echo
echo === miscellaneous
echo
run "set udev rules" "mkdir -p /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 === prepair first boot
echo
run "copy config files" "cp -r $SCRIPT_DIR/configs /mnt/opt/elfOS_configFiles"
run "copy fist boot script" "cp $SCRIPT_DIR/first-boot.sh /mnt/first-boot.sh && chmod 700 /mnt/first-boot.sh"
run "make script executable" "cp $SCRIPT_DIR/first-boot.sh /mnt/first-boot.sh"
run "create fist boot config" "cat >/mnt/first-boot.env <<EOF
USERNAME=$USERNAME
HOSTNAME=$HOSTNAME
CONFIG_DIR=/opt/elfOS_configFiles
LOG_FILE=/var/log/elfOS/first-boot.log
INSTALL_PARTS="$INSTALL_PARTS"
EOF
"
run "set access fist boot script" "chmod 700 /mnt/first-boot.env"
run "create first boot service" "cat >/mnt/etc/systemd/system/first_boot.service <<EOF
[Unit]
Description=first boot install script
[Service]
Type=simple
StandardOutput=journal+console
ExecStart=/first-boot.sh
[Install]
WantedBy=multi-user.target
EOF
"
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 "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 [[ $ENCRYPT_DISK = "true" ]]; then
echo -n "$PASS" >keyfile.luks
run "map root partitaion" "cryptsetup open --batch-mode --key-file keyfile.luks ${ROOT_PARTITION} ${ROOT_PARTITION_MAP_NAME}"
rm keyfile.luks
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 [[ $ENCRYPT_DISK = "true" ]]
then
echo -n "disk encryption password: "
read -s PASS
echo
echo -n "retype password: "
read -s PASSRE
echo
if [ "$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"
exit
;;
esac
echo
echo === reboot
echo
run "reboot" "shutdown -r now"