sh/shell/rescue/hetzner.sh

[ "$(cat /proc/$$/comm)" = "bash" ] || return

rescue_wipe_0_init_hetzner_8_8() {
	local device
	set \
		"/dev/sda" \
		"/dev/sdb"
	local members
	local number
	local passphrase
	# read passphrase
	passphrase="$(read_passphrase)"
	#
	lsblk
	echo -n "WIPE" "${@}" "/?\\ OR CANCEL /!\\"
	read -r
	#
	number=0
	for device in "${@}"; do
		number=$((number + 1))
		echo
		echo "#${number}: ${device}"
		#
		parted --script "${device}" \
			mktable gpt \
			unit "mib" \
			mkpart "crypt-${number}" 33282 7630885 \
			mkpart "boot-${number}" 514 33282 \
			mkpart "esp-${number}" 2 514 \
			set 3 esp on \
			mkpart "bios-${number}" 1 2 \
			set 4 bios_grub on
	done
	#
	number=0
	for device in "${@}"; do
		number=$((number + 1))
		echo
		echo "#${number}: ${device}4"
		# wipe bios
		fs_wipe "${device}4"
	done
	#
	number=0
	for device in "${@}"; do
		number=$((number + 1))
		echo
		echo "#${number}: ${device}3"
		# format esp
		fs_wipe "${device}3" "1M"
		fs_make_fat "${device}3" "esp-${number}" "0000000${number}"
		# mount esp
		mkdir --parents "/media/esp/${number}"
		mount "${device}3" "/media/esp/${number}"
	done
	#
	number=0
	for device in "${@}"; do
		number=$((number + 1))
		echo
		echo "#${number}: ${device}2"
		# wipe boot
		fs_wipe "${device}2" "1G" 1
	done
	#
	members=()
	for device in "${@}"; do
		members+=("${device}2")
	done
	fs_raid_create \
		"boot" "00000000:00000000:00000000:00000002" "${members[@]}"
	#
	fs_make_btrfs "/dev/md/boot" "boot" \
		"00000000-0000-0000-0000-00000000000b"
	# mount boot
	mkdir --parents "/media/boot"
	mount \
		--options "autodefrag,compress-force=zstd" \
		"/dev/md/boot" "/media/boot"
	#
	number=0
	for device in "${@}"; do
		number=$((number + 1))
		echo
		echo "#${number}: ${device}1"
		# wipe crypt head
		fs_wipe "${device}1" "1G" 1
	done
	#
	members=()
	for device in "${@}"; do
		members+=("${device}1")
	done
	fs_raid_create \
		"crypt" "00000000:00000000:00000000:00000001" "${members[@]}"
	# encrypt
	luks_format "${passphrase}" "/dev/md/crypt"
	# open
	echo "${passphrase}" |
		cryptsetup luksOpen "/dev/md/crypt" "crypt"
	# passphrase
	unset passphrase
}

rescue_wipe_2_make_hetzner_8_8() {
	local passphrase
	# close
	cryptsetup luksClose "crypt"
	# read passphrase
	passphrase="$(read_passphrase)"
	# encrypt
	luks_format "${passphrase}" "/dev/md/crypt"
	# open
	echo "${passphrase}" |
		cryptsetup luksOpen "/dev/md/crypt" "crypt"
	# passphrase
	unset passphrase
	# format crypt
	fs_make_btrfs "/dev/mapper/crypt" "crypt" \
		"00000000-0000-0000-0000-00000000000c"
	# mount crypt
	mkdir --parents "/media/crypt"
	mount \
		--options "autodefrag,compress-force=zstd" \
		"/dev/mapper/crypt" "/media/crypt"
	# make swap file
	fs_make_btrfs_swap "/media/crypt/swap" "64g" \
		"00000000-0000-0000-0000-000000000005"
}