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Improved script to create a crypted btrfs device

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This commit is contained in:
Michele Cereda
2022-05-18 00:54:56 +02:00
parent 0dbd3da67b
commit b5a84ba7be
1 changed files with 12 additions and 3 deletions
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15
scripts/create-a-crypted-btrfs-device.sh
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@@ -4,13 +4,22 @@
: ${LABEL:?not set} : ${LABEL:?not set}
: "${MOUNT_OPTIONS:=compress-force=zstd}" : "${MOUNT_OPTIONS:=compress-force=zstd}"
: "${MOUNT_POINT:=/mnt/$LABEL}"
[[ $EUID -eq 0 ]] || (echo "Please rerun this script with root privileges" && exit 1) [[ $EUID -eq 0 ]] || (echo "Please rerun this script with root privileges" && exit 1)
[[ -f "$DEVICE" ]] || echo "${DEVICE} not found" [[ -f "$DEVICE" ]] || echo "${DEVICE} not found"
cryptsetup luksFormat "$DEVICE" cryptsetup luksFormat "$DEVICE"
cryptsetup luksOpen "$DEVICE" "$LABEL" cryptsetup open "$DEVICE" "$LABEL"
mkfs.btrfs --label "$LABEL" "/dev/mapper/${LABEL}" mkfs.btrfs --label "$LABEL" "/dev/mapper/${LABEL}"
mount --types btrfs --options "$MOUNT_OPTIONS" "/dev/mapper/${LABEL}" "/mnt/${LABEL}" mkdir -p "$MOUNT_POINT"
mount -t btrfs -o "$MOUNT_OPTIONS" "/dev/mapper/${LABEL}" "$MOUNT_POINT"
btrfs subvolume create "$MOUNT_POINT/.snapshots"
btrfs subvolume create "$MOUNT_POINT/data"
chown "$USER":"$USER" "$MOUNT_POINT/data"
umount "/mnt/${LABEL}" umount "/mnt/${LABEL}"
cryptsetup luksClose "$DEVICE" cryptsetup close "$DEVICE"