backup.scr

#!/bin/bash

export PATH=/bin:/usr/bin:$PATH 

# Need be edited to your login id
LOGIN=jason

# Need be edited to provide IP and remote login for your remote PC, 
# also setup no password scp access for remote PC.
# If no IP provided, will assume the dir has been mounted to 
# local PC, and isMOUNT must be set an non-empty value.
REMOTE_PC=172.17.214.202
REMOTE_LOGIN=jason
isMOUNT=

# Need be edited to point to your dir for remote PC or local mounted dir
REMOTE_PC_DIR=/home/jason/PC1_BACKUP

# Optional for editing 
LINUX_VER=ubuntu
BIN_DIR=$HOME

# Variables defined by the tool, do not change
HOME=/home/${LOGIN}
BKUP_DIR=$HOME/Backup
LOG=backup.log
DEBUG_FILE=${BKUP_DIR}/.debug_backup

[ ! -z ${isMOUNT} ] || [ ! -z ${REMOTE_PC} ] || exit 1
[ -d ${BKUP_DIR} ] || mkdir -p ${BKUP_DIR}

exec 2>>${BKUP_DIR}/${LOG}

echo "======================================================================" >>${BKUP_DIR}/${LOG}
echo "${0##*/} started on $(date)" >>${BKUP_DIR}/${LOG}

if [ -f ${DEBUG_FILE} ]
then
	echo "******Debug mode has been turned on******" >> ${BKUP_DIR}/${LOG}
	set -x
fi

DATE=$(date +"%Y%m%d")

if [ -z ${DATE} ]
then
	echo "ERROR: Cannot determine date. Exit!">>${BKUP_DIR}/${LOG}
	exit 1
fi

mkdir -p ${BKUP_DIR}/${DATE}

cd $HOME

# Ignore comments and blank lines in bkup.list file
cat ${BIN_DIR}/bkup.list|grep -v ^# |grep -v ^$ |while read dir_file
do
	if [ -d ${dir_file} ]
	then
		tar -czvf ${BKUP_DIR}/${DATE}/${dir_file##*/}.tar.gz ${dir_file}
		if [[ $? -ne 0 ]]
		then
			echo "ERROR: Failed to backup ${dir_file}!" >> ${BKUP_DIR}/${LOG}	
		fi
	elif [ -f ${dir_file} ]
	then
		cp ${dir_file} ${BKUP_DIR}/${DATE}/ 
	elif [ ${dir_file} == "CRONTAB" ]
	then
		crontab -l >${BKUP_DIR}/${DATE}/crons
	else
		echo "ERROR: ${dir_file} is neither a directory or a file. Failed to backup it!" >> ${BKUP_DIR}/${LOG}	
	fi
done

cd ${BKUP_DIR}
tar -czvf ${LINUX_VER}.${LOGIN}.${DATE}.tar.gz ${DATE}
echo "${LINUX_VER}.${LOGIN}.${DATE}.tar.gz has been succesfully created at $(date)!" >>${LOG}

rm -rf ${DATE}

# Transfered to remote PC

if [ ! -z ${REMOTE_PC} ]
then
	scp -o ConnectTimeout=30 ${LINUX_VER}.${LOGIN}.${DATE}.tar.gz ${REMOTE_LOGIN}@${REMOTE_PC}:${REMOTE_PC_DIR}
elif [ -d ${REMOTE_PC_DIR} ]
then
	cp ${LINUX_VER}.${LOGIN}.${DATE}.tar.gz ${REMOTE_PC_DIR}/
	echo "${LINUX_VER}.${LOGIN}.${DATE}.tar.gz has been succesfully transfered to ${REMOTE_PC_DIR}!" >>${LOG}
	DISK_USE=$(df ${REMOTE_PC_DIR} |tail -1  |awk  '{print $5}')
	if [[ ${DISK_USE} =~ [0-9]% ]]
	then
		echo "INFO: ${REMOTE_PC_DIR} disk usage is: ${DISK_USE}" >>${LOG}
		if [ ${DISK_USE//%} -gt 80 ]
		then
			echo "ERROR: ${REMOTE_PC_DIR} disk usage has beyond 80%. Urgent clean up needed! " >>${LOG}
		elif [ ${DISK_USE//%} -gt 60 ]
		then
			echo "WARNING: ${REMOTE_PC_DIR} disk usage has beyond 60%. Clean up needed! " >>${LOG}
		fi
	else
		echo "WARNING: Cannot determine the disk usage of ${REMOTE_PC_DIR}!" >>${LOG}
	fi
else
	echo "ERROR: ${REMOTE_PC_DIR} missing! ${LINUX_VER}.${LOGIN}.${DATE}.tar.gz cannot been transferred to PC!" >>${LOG}
fi

if [ -f ${DEBUG_FILE} ]
then
	set +x
fi

echo "${0##*/} completed on $(date)" >>${LOG}