Merge pull request #4 from FOSSEE/test_backup-tool

Add backup tool

1 files changed, 206 insertions, 0 deletions

diff --git a/incremental-complete-backup/backup-tool.sh b/incremental-complete-backup/backup-tool.sh
new file mode 100644
index 0000000..8775464
--- /dev/null
+++ b/incremental-complete-backup/backup-tool.sh
@@ -0,0 +1,206 @@
+#!/bin/bash
+#***********************************************#
+#  Gui tool to create backups of FOSSEE laptop  #
+#	to external storage media.              #
+#                                               #
+#***********************************************#
+
+# functions()
+# ###########
+# ------------------------------------------------------------#
+# selection_menu()                                            #
+# shows the menu with two options.                            #
+# Parameter: $1(title) $2(option1) $3(option2)                #
+# change the value of $result to 1 or 2 according to option   #
+# selected.                                                   #
+# ------------------------------------------------------------#
+selection_menu() {
+choice="$(zenity --width=600 --height=200 --list --radiolist --title="$1" --text "<b>Choose :</b> " --hide-header --column "selection"  --column "options" FALSE "$2" FALSE "$3")"
+case "${choice}" in
+    $2 )
+        result="1" # if option1 is selected.
+        ;;
+    $3 )
+        result="2" # if option2 is selected.
+        ;;
+esac
+}
+# ------------------------------------------------------------#
+# sudoAccess() get the sudo password from user via zenity     #
+# window and stores in a global variable ($password).         #
+# ------------------------------------------------------------#
+sudoAccess() {
+# Remove any previous sudo passwords
+sudo -K
+# In case of wrong password, else condition will fail(return 1)
+# and executes from beginning
+while true
+do
+# Get password from user
+password=$(zenity --title "Enter your password to continue" --password)
+# zenity dialog button 'Cancel' returns 1, and 'Yes' returns 0.
+# Check for zenity 'Cancel' option
+if [ $? -eq 1 ]
+then
+exit 0
+else
+# sending user entered password to 'echo' command to verify
+# password, if wrong it will repeat from beginning
+echo $password | sudo -S echo "test">/dev/null
+if [ $? -eq 0 ]
+then
+break
+fi
+fi
+done
+}
+# ------------------------------------------------------------#
+# removeSDCARD() Prompt a dialog box asking user to remove    #
+# all the external media and after that stores the size of    #
+# disk without media on $sizeofDiskBeforeSDCARD               #
+# ------------------------------------------------------------#
+removeSDCARD() {
+# The dialog box below will ask user to remove drive(sdcard)
+zenity --question --title "Remove media" \
+--text "Please remove your sdcard if connected,
+then press YES to continue"
+# Checking the return value of zenity dialog, same as previous function
+if [ $? -eq 1 ]
+then
+exit 0
+else
+# This will return size of disk without our media
+umount /media/$USER/*  # to unmount all external media.
+sizeofDiskBeforeSDCARD=$(echo $password | sudo -S sfdisk -s\
+| tail -1 | awk '{print $2}')
+fi
+}
+# ------------------------------------------------------------#
+# insertSDCARD() Prompt a dialog box asking user to connect   #
+# the required media & stores the size of disk after inserting#
+# the media on $sizeofDiskAfterSDCARD.                        #
+# ------------------------------------------------------------#
+insertSDCARD() {
+# The dialog box below will ask user to insert sdcard
+zenity --question --title "Insert media" --text "Now please insert your sdcard back,\
+then press YES to continue"
+# Checking the button selected in zenity dialog
+if [ $? -eq 1 ]
+then
+exit 0
+else
+# sfdisk prints the total disk space in KB
+sizeofDiskAfterSDCARD=$(echo $password | sudo -S sfdisk -s\
+| tail -1 | awk '{print $2}')
+fi
+}
+# ------------------------------------------------------------#
+# SizeofSDCARD() Prompt a dialog box showing the size of      #
+# detected media in GB. After calculating difference of       #
+# sizeofDiskBeforeSDCARD and sizeofDiskAfterSDCARD            #
+# ------------------------------------------------------------#
+SizeofSDCARD() {
+# verifying new device by finding difference in size
+# before and after insertion
+sizeSDCARDKbytes=$(($sizeofDiskAfterSDCARD - $sizeofDiskBeforeSDCARD))
+# Converting into GB first
+sizeSDCARD=$(echo "scale=2;$sizeSDCARDKbytes/1048576" | bc)
+# Converting sizeSDCARD to integer, so as to use in conditional statement,
+# if any card is detected it will go inside 'else' statement
+if [ $(echo $sizeSDCARD |cut -f 1 -d '.') -le 0 ]
+then
+zenity --info --title "Info" --text "No media found, please check and restart application"
+exit 0
+else
+zenity --question --title "Info" --text "A device of $sizeSDCARD GB is detected, the size will be less \
+than actual size of your device. Would you like to continue? \
+Press 'YES' to continue or 'NO' to quit !"
+# If 'NO' is selected in zenity dialog then exit
+if [ $? -eq 1 ]
+then
+exit 0
+fi
+fi
+}
+# ------------------------------------------------------------#
+# formatforIncremental() unmount the mounted partitions,      #
+# create new partition table format 1st partition to vfat,    #
+# 2nd to ext4 and mount under /mnt                            #
+# ------------------------------------------------------------#
+formatforIncremental() {
+umount /media/$USER/*
+echo $password |sudo -S mkdir -p /mnt/boot /mnt/rootfs
+echo -e "o\nn\np\n1\n\n+100M\nn\np\n2\n\n\nw"|sudo fdisk /dev/$dev_name  # delete old partition table and creating new
+sudo mkfs.vfat /dev/$dev_name*1
+sudo mkfs -t ext4 /dev/$dev_name*2
+sudo mount -t vfat /dev/$dev_name*1 /mnt/boot -o rw,uid=1000,gid=1000
+sudo mount /dev/$dev_name*2 /mnt/rootfs
+}
+# ------------------------------------------------------------#
+# formatforComplete() unmount the mounted partitions, create  #
+# new partition table format 1st partition to vfat,           #
+#                                                             #
+# ------------------------------------------------------------#
+formatforComplete() {
+umount /media/$USER/*
+echo $password |sudo -S mkdir -p /mnt/boot
+echo -e "o\nn\np\n1\n\n\nw"|sudo fdisk /dev/$dev_name  # delete old partition table and creating new
+sudo mkfs.vfat /dev/$dev_name*1
+sudo mount -t vfat /dev/$dev_name*1 /mnt/boot -o rw,uid=1000,gid=1000
+}
+
+###################################################################################
+# Execution starts here.
+
+zenity --width=600 --height=200 --info --text "You need an 8GB or above external storage device (sdcard) to continue"
+sudoAccess
+removeSDCARD
+insertSDCARD
+SizeofSDCARD
+$dev_name=`/dev/mmcblk0`
+selection_menu "Select Backup mode" "Incremental Backup" "Complete Backup"
+case "${result}" in
+    "1" ) # Incremental
+        selection_menu "Incremental Backup options" "Continue with previous backup storage[if you have a previous incremental backup] " "Create a new backup by formating the storage"
+        case "${result}" in
+                "1" ) # "Continue with previous backup": check for mac_id matching & proceed to rsync
+                        rootfs_path=`mount | grep ext|cut -d" " -f3` # tracking the rootfs mount path
+                        mac_id=`cat /sys/class/net/eth0/address`     # macid of the machine
+                        if [ "$rootfs_path" == "" ] || [ ! -e $rootfs_path/opt/.Hw_addr.txt  ];
+                        then # (no rootfs) or ( rootfs doesn't contain Hw_addr.txt )
+                            zenity --width=600 --height=100 --info --text "Your storage media doesnot contain matching backup from this machine"
+                            exit
+                        elif [ "$mac_id" == "$(cat $rootfs_path/opt/.Hw_addr.txt)" ]; # if macids are matching
+                        then
+                            echo "match found"
+                            sudo rsync -latgrzpo --exclude='/tmp' --exclude='/dev' --exclude='/proc' --exclude='/sys' / $rootfs_path
+                        else
+                            zenity --width=600 --height=100 --info --text "Your storage media doesnot contain matching backup from this machine"
+                            exit
+			fi
+                        ;;
+                "2" ) # "new incremental backup" start new rsync
+                        cat /sys/class/net/eth0/address > /opt/.Hw_addr.txt # storing mac_id b4 copy
+                        formatforIncremental
+                        sudo rsync -latgrzpo /opt/fossee-os/* /mnt/boot/
+                        sudo rsync -latgrzpo --exclude='/tmp/*' --exclude='/dev/*' --exclude='/proc/*' --exclude='/sys/*' / /mnt/rootfs/
+                        sync
+                        echo $password |sudo umount /mnt/* # refresh sudo access
+                        sudo rm -rf /mnt/*
+                        ;;
+        esac
+        ;;
+    "2" ) # Complete 
+        formatforComplete
+        sudo rsync -latgrzpo /opt/fossee-os/* /mnt/boot/
+        rm -r ~/.ssh ~/.mozilla ~/.config/chromium
+        rm -r ~/Templates ~/Downloads/*
+        rm ~/.vimrc ~/.viminfo
+        rm -f /etc/udev/rules.d/70-persistent-net.rules
+        sudo tar -cpzf /mnt/boot/fossee-os.tar.gz --one-file-system /
+        sync
+        echo $password |sudo umount /mnt/* # refresh sudo access
+        sudo rm -rf /mnt/*
+        ;;
+esac
+zenity --width=600 --height=100 --info --text "Done ! "