Create new encrypted filesystem and upload to GDrive

create_encrypted_fs.sh

#!/bin/bash
filename=secrets.dat
megs=20
loop=/dev/loop0
mount_point=./secrets_map

create() {
        losetup -d $loop
        fallocate -l ${megs}M $filename
        losetup $loop $filename
        cryptsetup -y luksFormat $loop
        cryptsetup luksOpen $loop secrets
        mkfs.ext4 /dev/mapper/secrets
        cryptsetup close secrets
        losetup -d $loop
}

mount_lo() {
        losetup $loop $filename && \
        cryptsetup luksOpen $loop secrets && \
        mount /dev/mapper/secrets $mount_point
}

unmount_lo() {
        umount $mount_point
        cryptsetup close secrets
        losetup -d $loop
}

backup() {
        rclone copy $filename GDrive:/security
}

restore() {
        rclone copy GDrive:/security/$filename .
}

echo filename $filename
echo megs $megs
echo loop $loop
echo mount_point $mount_point
echo command $1

$1