functions

This commit is contained in:
Marc Beninca 2024-11-11 16:37:27 +01:00
parent 28e3acd8a7
commit 566189cc80
Signed by: marc.beninca
GPG key ID: 9C7613450C80C24F

View file

@ -147,29 +147,51 @@ ovh_rescue_wipe_vle2_0_init() {
# read passphrase
printf "PassPhrase: "
read -r -s passphrase
#
# warn
lsblk
printf "%s" "WIPE ${device} /?\\ OR CANCEL /!\\"
read -r
#
parted "${device}" --script mktable gpt
#
parted "${device}" unit "${unit}" mkpart "crypt" 65795 1907729
parted "${device}" unit "${unit}" mkpart "crypt" 4610 40960
#
parted "${device}" unit "${unit}" mkpart "boot" 514 65795
parted "${device}" unit "${unit}" mkpart "boot" 514 4610
#
parted "${device}" unit "${unit}" mkpart "esp" 2 514
parted "${device}" set 3 esp on
#
parted "${device}" unit "${unit}" mkpart bios 1 2
parted "${device}" set 4 bios_grub on
# wipe bios
# bios / wipe
dd if="/dev/zero" of="${device}4"
# format esp
mkfs.vfat -F 32 -n "esp" "${device}3"
# format boot
mkfs.ext4 -F -L "boot" "${device}2"
# encrypt
# esp / wipe
dd if="/dev/zero" of="${device}3" bs="1M"
# esp / format
mkfs.vfat \
-F 32 \
-S 4096 \
-i "00000001" \
-n "esp" \
"${device}3"
# esp / mount
mkdir --parents "/media/esp"
mount "${device}3" "/media/esp"
# boot / wipe
dd status="progress" if="/dev/zero" of="${device}2" bs="1G" count=1
# boot / format
mkfs.btrfs --force \
--checksum "sha256" \
--label "boot" \
--uuid "00000000-0000-0000-0000-00000000000b" \
"${device}2"
# boot / mount
mkdir --parents "/media/boot"
mount --options "autodefrag,compress-force=zstd" \
"${device}2" "/media/boot"
# crypt / wipe
dd status="progress" if="/dev/zero" of="${device}1" bs="1G" count=1
# crypt / encrypt
echo "${passphrase}" |
cryptsetup \
--verbose \
@ -177,29 +199,65 @@ ovh_rescue_wipe_vle2_0_init() {
--type "luks2" \
--pbkdf "argon2id" \
--cipher "aes-xts-plain64" \
--iter-time 8192 \
--iter-time 4096 \
--key-size 512 \
--hash "sha512" \
--use-random \
luksFormat \
"${device}1"
# open
# crypt / open
echo "${passphrase}" |
cryptsetup luksOpen "${device}1" "crypt"
# pv
pvcreate "/dev/mapper/crypt"
# vg
vgcreate "crypt" "/dev/mapper/crypt"
# lv swap
lvcreate --name "swap" --size "68719476736b" "crypt"
# lv data
lvcreate --name "data" --extents "100%FREE" "crypt"
# format swap
mkswap --label "swap" "/dev/mapper/crypt-swap"
# format data
mkfs.ext4 -L "data" "/dev/mapper/crypt-data"
# vg off
vgchange --activate "n" "crypt"
# close
cryptsetup luksClose "crypt"
}
ovh_rescue_wipe_vle2_1_zero() {
# crypt / zero
dd status="progress" if="/dev/zero" of="/dev/mapper/crypt" bs="1G"
}
ovh_rescue_wipe_vle2_2_make() {
local passphrase
# crypt / close
cryptsetup luksClose "crypt"
# read passphrase
printf "PassPhrase: "
read -r -s 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"
# crypt / format
mkfs.btrfs --force \
--checksum "sha256" \
--label "crypt" \
--uuid "00000000-0000-0000-0000-00000000000c" \
"${device}1"
# crypt / mount
mkdir --parents "/media/crypt"
mount --options "autodefrag,compress-force=zstd" \
"${device}1" "/media/crypt"
# crypt / swap
btrfs filesystem mkswapfile \
--size "4g" \
--uuid "00000000-0000-0000-0000-000000000005" \
"/media/crypt/swap"
}
ovh_rescue_wipe_vle2_3_close() {
umount "/media/boot"
umount "/media/crypt" &&
cryptsetup luksClose "crypt"
}