#!/bin/bash
# Shutdown the VM
# Cleanup existing files
STARTING_DIR=$(pwd)
rm -rf /mnt/test_backup/*
rm -rf /mnt/test_restore/*
ssh rb@192.168.1.2 "rm -rf /mnt/remote_backup/*"

echo "*********************"
echo "($(date +%s)) Starting"
echo "*********************"

#Variables
VBOXUSER="vboxuser"
VGROUP="jobVMHost-vg"
LVOLUME="vm_images"
SNAPSHOT_MNT="/mnt/snap_$LVOLUME"
BACKUP_DIR="sftp://rb@192.168.1.2///mnt/remote_backup/jobVMHost_${LVOLUME}"
RESTORE_DIR="/mnt/test_restore/restored_jobVMHost_vm_images"

#Create the snapshot
echo "******************************"
echo "($(date +%s)) Creating Snapshot"
echo "******************************"
lvcreate -L 20G -s -n snap_$LVOLUME /dev/$VGROUP/$LVOLUME
mkdir $SNAPSHOT_MNT

echo "******************************"
echo "($(date +%s)) Mounting Snapshot"
echo "******************************"
mount -o ro /dev/$VGROUP/snap_$LVOLUME $SNAPSHOT_MNT
df -h $SNAPSHOT_MNT


echo "**************************************"
echo "($(date +%s)) Creating Initial Checksum"
echo "**************************************"
cd $SNAPSHOT_MNT
hashdeep -rlc md5 * > $STARTING_DIR/checksums.txt

echo "*****************************************"
echo "($(date +%s)) Running Duplicity for Backup"
echo "*****************************************"
echo "Checking space on remote server:"
ssh rb@192.168.1.2 "df -h"
export PASSPHRASE="testphrase"
duplicity --tempdir /mnt/temp_storage --asynchronous-upload --volsize 256 -v8 $SNAPSHOT_MNT $BACKUP_DIR

echo "**********************"
echo "($(date +%s)) Verifying"
echo "**********************"
df -h
duplicity verify --tempdir /mnt/temp_storage --ignore-errors --num-retries 100 -v8 $BACKUP_DIR $SNAPSHOT_MNT


echo "*************************"
echo "($(date +%s)) Test Restore"
echo "*************************"
echo "Check space:"
df -h
duplicity restore --tempdir /mnt/temp_storage --num-retries 100 --ignore-errors -v8 $BACKUP_DIR $RESTORE_DIR
unset PASSPHRASE

echo "************************************"
echo "($(date +%s)) Check Restore Checksums"
echo "************************************"
cd $RESTORE_DIR
hashdeep -ravvl -k $STARTING_DIR/checksums.txt *

echo "**********************************************"
echo "($(date +%s)) Check Original Snapshot Checksums"
echo "**********************************************"
cd $SNAPSHOT_MNT
hashdeep -ravvl -k $STARTING_DIR/checksums.txt *


echo "**************************************************"
echo "($(date +%s)) Unmount and remove snapshot mnt point"
echo "**************************************************"
umount -lfv $SNAPSHOT_MNT
rm -rf $SNAPSHOT_MNT

echo "*******************************************"
echo "($(date +%s)) Remove snapshot logical volume"
echo "*******************************************"
lvremove -f /dev/$VGROUP/$LVOLUME

echo "*************************"
echo "($(date +%s)) All Complete"
echo "*************************"