sh/bash/rescue-ovh.sh

rescue_wipe_0_init_ovh_vle2() {
	local device="/dev/sdb"
	local passphrase
	# read passphrase
	passphrase="$(read_passphrase)"
	# warn
	lsblk
	printf "%s" "WIPE ${device} /?\\ OR CANCEL /!\\"
	read -r
	#
	parted --script "${device}" \
		mktable gpt \
		unit "mib" \
		mkpart "crypt" 4610 40959 \
		mkpart "boot" 514 4610 \
		mkpart "esp" 2 514 \
		set 3 esp on \
		mkpart bios 1 2 \
		set 4 bios_grub on
	# bios / wipe
	fs_wipe "${device}4"
	# esp / wipe
	fs_wipe "${device}3" "1M"
	# esp / format
	fs_make_fat "${device}3" "esp" "00000001"
	# esp / mount
	mkdir --parents "/media/esp"
	mount "${device}3" "/media/esp"
	# boot / wipe
	fs_wipe "${device}2" "1G" 1
	# boot / format
	mkfs.btrfs --force \
		--checksum "sha256" \
		--label "boot" \
		--uuid "00000000-0000-0000-0000-00000000000b" \
		"${device}2"
	# boot / mount
	mkdir --parents "/media/boot"
	mount --options "autodefrag,compress-force=zstd" \
		"${device}2" "/media/boot"
	# crypt / wipe
	fs_wipe "${device}1" "1G" 1
	# crypt / encrypt
	echo "${passphrase}" |
		cryptsetup \
			--verbose \
			--batch-mode \
			--type "luks2" \
			--pbkdf "argon2id" \
			--cipher "aes-xts-plain64" \
			--iter-time 4096 \
			--key-size 512 \
			--hash "sha512" \
			--use-random \
			luksFormat \
			"${device}1"
	# crypt / open
	echo "${passphrase}" |
		cryptsetup luksOpen "${device}1" "crypt"
	# passphrase
	unset passphrase
}

rescue_wipe_2_make_ovh_vle2() {
	local device="/dev/sdb"
	local passphrase
	# crypt / close
	cryptsetup luksClose "crypt"
	# read passphrase
	passphrase="$(read_passphrase)"
	# crypt / encrypt
	echo "${passphrase}" |
		cryptsetup \
			--verbose \
			--batch-mode \
			--type "luks2" \
			--pbkdf "argon2id" \
			--cipher "aes-xts-plain64" \
			--iter-time 4096 \
			--key-size 512 \
			--hash "sha512" \
			--use-random \
			luksFormat \
			"${device}1"
	# crypt / open
	echo "${passphrase}" |
		cryptsetup luksOpen "${device}1" "crypt"
	# passphrase
	unset passphrase
	# crypt / format
	mkfs.btrfs --force \
		--checksum "sha256" \
		--label "crypt" \
		--uuid "00000000-0000-0000-0000-00000000000c" \
		"/dev/mapper/crypt"
	# crypt / mount
	mkdir --parents "/media/crypt"
	mount --options "autodefrag,compress-force=zstd" \
		"/dev/mapper/crypt" "/media/crypt"
	# crypt / swap
	btrfs filesystem mkswapfile \
		--size "4g" \
		--uuid "00000000-0000-0000-0000-000000000005" \
		"/media/crypt/swap"
}