#!/bin/bash -x
#
# Modified le 10.02.2011 à 09:48
#
# Need to create /var/log/rsync
# Need package heirloom-mailx, rsync, smbfs
#
# To launch it every day at 2AM, add the following line to /etc/crontab :
# 00 2 * * * /root/script_sauvegarde_rsync_module > /var/log/rsync/sauvegarde_rsync_module.log
#

### PARAMS TO SETTING
#ANNONCE="fichiers transferes :"
HOST=`hostname`	# not modify this !!!

DIR2LOG="/var/log/rsync"	# Dir where files log are writing
DIR2NAS="/mnt/Datas/backup/crocolion/"	# Dir where files are saved in NAS

EMAIL_FROM="root@$HOST"
EMAIL_TO="cddp47.webmestre@crdp-aquitaine.fr"

FILE_BOO="/root/rsync_boo.log"
FILE_ERROR="$DIR2LOG/rsync_error.log"
FILE_LOG="$DIR2LOG/rsync_files.log"
FILE_PID="$DIR2LOG/rsync.pid"

mail="/usr/bin/mail"

LOGIN="***"
PASS="***"

SYNC_OPTIONS="-avcRHKz --delete-after --exclude=*~ --ignore-errors --force --numeric-ids --partial --stats --timeout=900"

SRVR_IP="10.133.173.1"	# IP NAS
SRVR_MODULE="SvgServerCrocolion"	# Module Server Rsync

declare -i NB_ARCHIVES=7
declare -i NICE_LEVEL=-15

declare -a DIR2BCKP="()"	# not modify this !!!

DIR2BCKP[0]="/etc/apache2/"
DIR2BCKP[1]="/etc/apt/"
DIR2BCKP[2]="/etc/bind/"
DIR2BCKP[3]="/etc/fail2ban/"
DIR2BCKP[4]="/etc/log*/"
DIR2BCKP[5]="/etc/lvm/"
DIR2BCKP[6]="/etc/mdadm/"
DIR2BCKP[7]="/etc/network/"
DIR2BCKP[8]="/etc/rsyslog*/"
DIR2BCKP[9]="/etc/ssh/"
DIR2BCKP[10]="/etc/ssl/"
DIR2BCKP[11]="/etc/webmin/"
DIR2BCKP[12]="/etc/fstab"
DIR2BCKP[13]="/etc/group"
DIR2BCKP[14]="/etc/gshadow"
DIR2BCKP[15]="/etc/host*"
DIR2BCKP[16]="/etc/iptables*"
DIR2BCKP[17]="/etc/passwd"
DIR2BCKP[18]="/etc/shadow"
DIR2BCKP[19]="/etc/sudoers"
DIR2BCKP[20]="/etc/sysctl.conf"
DIR2BCKP[21]="--exclude=Downloads/ --exclude=apt-mirror/ /home/cddp/"
DIR2BCKP[22]="/root/"
DIR2BCKP[23]="/var/log/"
DIR2BCKP[24]="/var/mail/"
DIR2BCKP[25]="/var/webmin/"
DIR2BCKP[26]="/var/www/"
DIR2BCKP[27]="/etc/monit/"
DIR2BCKP[28]="/etc/munin/"
DIR2BCKP[29]="/etc/openvpn/"
DIR2BCKP[30]="/var/cache/"


### FIN DES PARAMETRES A ADAPTER

declare -i count=${#DIR2BCKP[@]}
declare -i i=0

# if user != root, die !
if (( `id -u` != 0 )); then
	date > $FILE_BOO;
	echo "Sorry, must be root.  Exiting..." >> $FILE_BOO;
	exit;
fi

if [ -e "$FILE_ERROR" ]; then rm $FILE_ERROR; fi
if [ -e "$FILE_LOG" ]; then rm $FILE_LOG; fi

if [ ! -d "$DIR2LOG" ]; then
	if [ `mkdir -p $DIR2LOG` ]; then
		echo "*** Making dir $DIR2LOG !" >> $FILE_LOG
	else
		date >> $FILE_BOO;
		echo "*** Boo : dir $DIR2LOG can't created!" >> $FILE_BOO;
		if [ -s "$FILE_BOO" ]; then
			$mail -a $FILE_BOO -q $FILE_BOO -r $EMAIL_FROM -s "Error to create dir $DIR2LOG" $EMAIL_TO
		fi
		exit;
	fi
fi

# start with writing date on file log
date >> $FILE_LOG

date_start="$(date +%s)"

# rsync while
while [ "$i" -lt "$count" ]; do
	echo "***" >> $FILE_LOG
	date >> $FILE_LOG
	echo "$ANNONCE ${DIR2BCKP[$i]}" >> $FILE_LOG

	if [ "$i" -eq "$count" ]; then
		nice $NICE_LEVEL rsync $RSYNC_OPTIONS ${DIR2BCKP[$i]} $LOGIN@$SRVR_IP::$SRVR_MODULE >> $FILE_LOG 2>> $FILE_ERROR | echo `pidof rsync` > $FILE_PID
		echo " " >> $FILE_LOG

		date_stop="$(date +%s)"

		elapsed=$((date_stop-date_start))
		hour=$((elapsed/3600))
		elapsed=$((elapsed-hour*3600))
		minutes=$((elapsed/60))
		seconds=$((elapsed-minutes*60))

		echo "Rsync executed in: $hours hours $minutes minutes $seconds seconds" >> $FILE_LOG

	else
		nice $NICE_LEVEL rsync $RSYNC_OPTIONS ${DIR2BCKP[$i]} $LOGIN@$SRVR_IP::$SRVR_MODULE >> $FILE_LOG 2>> $FILE_ERROR | echo `pidof rsync` > $FILE_PID
	fi

	echo " " >> $FILE_LOG
	let "i++"
done

if [ -s "$FILE_LOG" ]; then
	$mail -a $FILE_LOG -q $FILE_LOG -r $EMAIL_FROM -s "Sauvegarde $HOST:NAS $ANNONCE" $EMAIL_TO
fi

# MAKE SNAPSHOTS !!!
#;/root/rotate_backup
#;/root/rotate_backup_papilion