drive_manager_open

#!/bin/bash -e

source "$(dirname "$0")/drive_config"
etc="$(dirname "$0")"

error() {
	echo "ERROR: $*"
	exit 1
}

for uuid in "${uuids_crypted[@]}"; do
	#echo Trying "$uuid" ...
	if [[ -b /dev/disk/by-uuid/$uuid ]] && [[ ! -b /dev/mapper/backup-$uuid ]]; then
		echo "Opening drive id $uuid"
		cryptsetup luksOpen \
			--key-file "$etc/luks.key" \
			/dev/disk/by-uuid/"$uuid" backup-"$uuid"
	fi
done

found_dev=0

for dev in "${devs[@]}"; do
	if [[ -b $dev ]]; then
		mkdir -p "$backup_mount"
		found_dev=1
		break
	fi
done

if [[ $found_dev = 0 ]]; then
	echo "ERROR: Couldn't find usable backup device"
	exit 1
fi

[[ -z $dev ]] && error "Could not find any usable drive, is it plugged in?"
mount -l | fgrep -q "$dev on $backup_mount" || {
	mount -l | egrep -q " $backup_mount " && {
		umount "$backup_mount" || error "Mount point appears to already be in use and I couldn't umount it"
	}
	mount -l | egrep -q "^$dev " && {
		umount "$dev" || error "Drive already mounted and I couldn't umount it"
	}
	mount "$dev" "$backup_mount" || error "Failed to mount drive '$dev' to '$backup_mount'"
}