abs.sh

#!/bin/bash
#
# This script will backup and restore folders using the incremental option of TAR
# You don't need to create a full backup each time
# The second backup will be a diferencial backup. You will save time and space.
# You just need to change the variables DIRTOBACKUP, BACKUPDESTINATION and DIRTORESTORE
#
# josemedeirosdealmeida@gmail.com
# Jose Almeida

#Load Variables
source albans.conf

config () {
source albans.conf
summary
#echo "The folder configured to backup is $DIRTOBACKUP press [ENTER] to continue without changes or insert a new folder"
echo -e '\nInsert a new configuration information or press [ENTER] to continue without changes\n\n\n'

read -p "Folder to backup is $DIRTOBACKUP define a new one or press ENTER to continue: " DIRTOBACKUPNEW
if [ "$DIRTOBACKUPNEW" == "" ] ; then
  echo > /dev/null #Just proceed please...
else
  sed -i "/DIRTOBACKUP/c \DIRTOBACKUP=$DIRTOBACKUPNEW			# Folder to backup" albans.conf
fi

read -p "Folder to store your backup is $BACKUPDESTINATION define a new one or press ENTER to continue: " BACKUPDESTINATIONNEW
if [ "$BACKUPDESTINATIONNEW" == "" ] ; then
  echo > /dev/null #Just proceed please...
else
  sed -i "/BACKUPDESTINATION/c \BACKUPDESTINATION=$BACKUPDESTINATIONNEW		# Storage path" albans.conf
fi

read -p "Snapshot file is $SNAPSHOTFILE define a new one or press ENTER to continue: " SNAPSHOTFILENEW
if [ "$SNAPSHOTFILENEW" == "" ] ; then
  echo > /dev/null #Just proceed please...
else
  sed -i "/SNAPSHOTFILE/c \SNAPSHOTFILE=$SNAPSHOTFILENEW			# This file can be changed, but cannot be deleted" albans.conf
fi

read -p "Name to be used by system as a reference is $REFERENCE define a new one or press ENTER to continue: " REFERENCENEW
if [ "$REFERENCENEW" == "" ] ; then
  echo > /dev/null #Just proceed please...
else
  sed -i "/REFERENCE/c \REFERENCE=$REFERENCENEW			# This reference name will be used to create the file name, can be changed to another one" albans.conf
fi

read -p "Folder that will be used to restore everything is $DIRTORESTORE define a new one or press ENTER to continue: " DIRTORESTORENEW
if [ "$DIRTORESTORENEW" == "" ] ; then
  echo > /dev/null #Just proceed please...
else
  sed -i "/DIRTORESTORE/c \DIRTORESTORE=$DIRTORESTORENEW			# Folder to restore our tar files. Can be a TAPE, or network file" albans.conf
fi

read -p "Press [Enter] key to continue..."
menu

}

showvars () {
source albans.conf
summary
echo -e "\n\e[21mFolder to backup: \e[1m$DIRTOBACKUP \e[21m"
echo -e "\eFolder to store your backup \e[1m$BACKUPDESTINATION \e[21m"
echo -e "\eSnapshot file: \e[1m$SNAPSHOTFILE \e[21m"
echo -e "\eName to be used by system as a reference: \e[1m$REFERENCE \e[21m"
echo -e "\eFolder that will be used to restore everything: \e[1m$DIRTORESTORE \e[21m"
echo -e '\n\n'

#Validate if the folders declared exist
if [ ! -d "$DIRTOBACKUP" ]; then
        echo -e "Folder $DIRTOBACKUP does not exist\n"
fi
if [ ! -d "$BACKUPDESTINATION" ]; then
        echo -e "Folder $BACKUPDESTINATION does not exist\n"
fi
if [ ! -f "$BACKUPDESTINATION/$SNAPSHOTFILE" ]; then
        echo -e "File $BACKUPDESTINATION/$SNAPSHOTFILE does not exist\n"
fi
if [ ! -d "$DIRTORESTORE" ]; then
        echo -e "Folder $DIRTORESTORE does not exist\n"
fi

read -p "Press [Enter] key to continue..."
menu
}

backup () {
source albans.conf
summary
echo "This will backup your $DIRTOBACKUP folder using as snapshot file $BACKUPDESTINATION/$SNAPSHOTFILE. You can run the script several times."
echo -e '\n\n'
mkdir -p $BACKUPDESTINATION
tar -v --create --file=$BACKUPDESTINATION/back_$(echo $REFERENCE)_$(date +\%Y\%m\%d_\%H\%M\%S).tar --listed-incremental=$BACKUPDESTINATION/$SNAPSHOTFILE $DIRTOBACKUP
read -p "Press [Enter] key to continue..."
menu
}

filipa () {
source albans.conf
summary
echo "Filipa... O nome do meu amor! ;)"
echo -e '\n\n'
read -p "Press [Enter] key to continue..."
menu
}


restore () {
source albans.conf
summary
read -p "Do you want to continue restore your backup to $DIRTORESTORE (Y/n)? " choseyorno
if [ "$choseyorno" == "Y" ] ; then
echo "All files will be restored to: $DIRTORESTORE"
sleep 2
mkdir -p $DIRTORESTORE
ls -ltr $BACKUPDESTINATION/back_$REFERENCE* | awk '{print $9}' > /tmp/albansbackup.tmp
sleep 1
  while read line; do
        tar -v --extract --listed-incremental=$BACKUPDESTINATION/$SNAPSHOTFILE --file $line -C $DIRTORESTORE
  done < /tmp/albansbackup.tmp
rm -f /tmp/albansbackup.tmp
echo -e '\nEverything restored!\n'
read -p "Press [Enter] key to continue..."
else
 menu 
fi
menu
}

restoreuntil () {
source albans.conf
summary
echo "All files will be restored to: $DIRTORESTORE"
ls -ltrh $BACKUPDESTINATION/back_$REFERENCE* | awk '{print $5,"\t\t",$6,"\t\t",$7,"\t",$8,"\t",$9}' > /tmp/albansbackup.tmp
cp /tmp/albansbackup.tmp /tmp/albansbackup.tmp.1
echo -e 'Index\tSize\t\tTimestamp\t\t\tFilename' > /tmp/albansbackup.tmp
awk '$0=((NR-1)?NR-0:"1")"      "$0' /tmp/albansbackup.tmp.1 >> /tmp/albansbackup.tmp
cat /tmp/albansbackup.tmp
echo -e '\n'
read -p "Select the Index file until you want to restore (included) or press ENTER to exit: " index
#Check if the variable index is lesser or equal than the number of lines of /tmp/albansbackup.tmp.1
if [ $index -le "$(wc -l /tmp/albansbackup.tmp.1|awk {'print $1'})" ];
then
    sleep 1
echo -e 'Building the list of files to restore\n'
sleep 2
cat /tmp/albansbackup.tmp.1 | awk '{print $5}' | head -n $index > /tmp/albansbackup.tmp.until
mkdir -p $DIRTORESTORE
sleep 1
  while read line; do
        tar -v --extract --listed-incremental=$BACKUPDESTINATION/$SNAPSHOTFILE --file $line -C $DIRTORESTORE
  done < /tmp/albansbackup.tmp.until
rm -f /tmp/albansbackup.tm* #Activate to clean logs
read -p "Press [Enter] key to continue..."
menu
else
menu
fi
}

findcontent () {
#Not ready yet
exit 0
}

listdiferences () {
#Not ready yet
#Base to work diff <(tar -tvf /mnt/aaaa/back_tadata_20160729_085423.tar | sort) <(tar -tvf /mnt/aaaa/back_tadata_20160729_090239.tar | sort)
exit 0
}

summary () {
clear
echo -e "\e[1m**********************************"
echo -e "*\033[0;31m\tAlbans Backup System\t\033[0m *"
echo -e "**********************************\e[0m"
}

menu () { 
rm -f /tmp/albansbackup.tmp*
clear
while :
do
summary
echo -e "* [c] Config ABS   \t\t *"
echo -e "* [s] Show configuration\t *"
echo -e "* [b] Backup\t\t\t *"
echo -e "* [r] Restore\t\t\t *"
echo -e "* [u] Restore Until\t\t *"
echo -e "* [x] Exit\t\t\t *"
echo -e "*\t\t\t\t *"
echo -e "* \t   Version $VERSION $DATE *"
echo -e "**********************************"
echo -n -e "Select: "
read yourch
case $yourch in
c) config ;;
s) showvars ;;
b) backup ;;
r) restore ;;
u) restoreuntil ;;
f) filipa ;;
x) exit 0;;
*) echo "Menu: ";
echo "Press Enter to continue. . ." ; read ;;
esac
menu
done
}

menu