raid.sh

#!/usr/bin/env bash

DEVICE1=UUID="6319642d-a495-4505-8346-510a17ce587a"
DEVICE2=UUID="4908f36f-453d-4253-98c7-584200b0c17e"
RDEVICE=UUID="68493f2f-a2b4-4771-9193-487b0a221f23"
MOUNT_POINT="/mnt"

_mount() {
    echo -n "LUKS key: "; read -s key; echo ""
    cryptsetup luksOpen "$DEVICE1" ext1 < <(echo $key)
    cryptsetup luksOpen "$DEVICE2" ext2 < <(echo $key)
    mount /dev/mapper/ext1 "$MOUNT_POINT"
}

_umount() {
    umount /dev/mapper/ext1
    cryptsetup luksClose ext1
    cryptsetup luksClose ext2
}

_mount_one() {
    cryptsetup luksOpen "$DEVICE1" ext1
    mount -r -odegraded /dev/mapper/ext1 "$MOUNT_POINT"
}

_umount_one() {
    umount /dev/mapper/ext1
    cryptsetup luksClose ext1
}

case "$1" in
    mount) shift;         _mount "$@" ;;
    umount) shift;        _umount "$@" ;;
    mount_one) shift;     _mount_one "$@" ;;
    umount_one) shift;    _umount_one "$@" ;;
esac
exit 0