#!/bin/bash
# Old script to restore a backup to a virtual machine disk (PLAN A)
#
# Copyright (C) 2023 Adrien 'neox' Bourmault <neox@a-lec.org>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <https://www.gnu.org/licenses/>.

vm=$1
date=$2
disk=$3
destpath=$4

if [[ $# != 4 ]]
then
    echo "ERROR: 4 parameters required (vm, date, disk, destination)"
    exit 1
fi

backup_file=$(sudo virt-backup list -D ${vm} | grep ${date} | cut -d " " -f 2 | sed "s/.json/_${disk}.raw/g")

echo "Restoring $backup_file"
sudo cp --sparse=always -v "$backup_file" "$destpath"