#!/bin/bash
#
####################################################################
##	 Shell script to backup all MySql database with single User
##   
##	 MySQL Database Backup Script 
##   Written By: Amol Jhod
##   URL: https://www.itsupportwale.com/blog/learn-how-to-backup-up-all-mysql-databases-using-a-single-user-with-a-simple-bash-script
##   Last Update: Apr 25, 2019
##     
##   For more scripts please visit : www.itsupportwale.com
## 
#####################################################################
#####################################################################
#### Caution : This script is takes backup of all databases #########
#############   on which the given user is having access. ###########
############## And Delete the backups older then BKP_DAYS ##########
#####################################################################
#####################################################################
########### You Have to Update the Below Values #####################
#####################################################################
#
#
BKP_USER="mysqlbackupuser"     # Enter the username for backup
BKP_PASS="$(cat $HOME/.password.txt)"       	# Enter the password of the backup user 
BKP_BASE_DIR=$(dirname "$0")
#
BKP_DEST="$HOME/Documents/MySQL"			# Enter the Backup directory,change this if you have someother location
if [ ! -d $BKP_DEST ]; then mkdir $BKP_DEST; fi
#
## Note: Scripts will delete all backup which are older then BKP_DAYS##
#
# D:3 W:22 M:93
BKP_DAYS="3"				# Enter how many days backup you want,
BKP_WEEKS="22"
BKP_MONTHS="93"
#
########### Use This for only local server #############################
MYSQL_HOST="localhost"  
#
#
########################################################################
########### Thats Enough!! NO NEED TO CHANGE THE BELOW VALUES ##########
########################################################################
#
##################### Get Backup DATE ##################################
#
#BKP_DATE="$(date +"%A_%d-%m-%Y_%H-%M-%S")";
#lundi=date +%u
if [ $(date +%d) = "01" ]; then	# 1er du mois => octobre_2019
	BKP_DATE="$(date +"%B_%Y")";
elif [ $(date +%u) -eq 1 ]; then # lundi => S44_2019
	BKP_DATE="$(date +"S%V_%Y")";
else
	BKP_DATE="$(date +"%A_%d-%m-%Y_%H-%M-%S")"; # => Mercredi_30-10-2019_11-33-17
fi

#
########## Ignore these default databases shen taking backup ############
#
IGNORE_DB="information_schema mysql performance_schema"
#
########## Creating backup dir if not exist #############################
#
[ ! -d $BKP_DEST ] && mkdir -p $BKP_DEST || :
#
################# Autodetect the linux bin path #########################
MYSQL="$(which mysql)"
MYSQLDUMP="$(which mysqldump)"
GZIP="$(which gzip)"
#
notification() {
    if [ $3 -eq 0 ];
	then
		sound="Glass"
		message="Envoi terminé sur $2 !"
		image="$BKP_BASE_DIR/success.png"
	else
		sound="Basso"
		message="Echec lors de l'envoi sur $2 : erreur $result"
		image="$BKP_BASE_DIR/error.png"
	fi

	if [[ "$OSTYPE" == "darwin"* ]] && [ -x "$(command -v terminal-notifier)" ]; then
    	terminal-notifier -title "$1" -message "$message" -sound "$sound" -contentImage "$image"
	fi
}

###################### Get database list ################################
#
DB_LIST="$($MYSQL -u $BKP_USER -h $MYSQL_HOST -p$BKP_PASS -Bse 'SHOW  DATABASES')"
#
for db in $DB_LIST
do
    skipdb=-1
    if [ "$IGNORE_DB" != "" ];
    then
	for i in $IGNORE_DB
	do
	    [ "$db" == "$i" ] && skipdb=1 || :
	done
    fi
 
    if [ "$skipdb" == "-1" ] ; then
		BKP_FILENAME="$BKP_DEST/$db.$BKP_DATE.sql"
		BKP_GZ_FILENAME="$BKP_DEST/$db.$BKP_DATE.sql.gz"
#
################ Using MYSQLDUMP for bakup and Gzip for compression ###################
#
        $MYSQLDUMP -u $BKP_USER -h $MYSQL_HOST -p$BKP_PASS -r$BKP_FILENAME $db
        $GZIP -9 $BKP_FILENAME
        
        server1="ftp.cluster011.ovh.net:www/backup/SilverBook/Bases_MySQL/"
        scp "$BKP_GZ_FILENAME" funnymac@"$server1"
        result=$?
        
		notification "Backup MySQL: base $db" "$server1" $result

		sleep 1
		
		server2="clicclac.synology.me:/volume1/Backup/SilverBook/Bases_MySQL/"
		scp -P42666 -p "$BKP_GZ_FILENAME" bruno@"$server2"
        result=$?

		notification "Backup MySQL: base $db" "$server2" $result

    fi
done
#########To delete all backup files older then BKP_DAYS #################
#
#find $BKP_DEST -type f -mtime +$BKP_DAYS -delete

# xxx.S44_2019.sql.gz
#   find . -name "*.sql.gz" -mtime +$BKP_WEEKS | grep -E 'S\d{2}_\d{4}'
# xxx.octobre_2019.sql.gz
#	find . -name "*.sql.gz" -mtime +$BKP_MONTHS | grep -E 'janvier|fevrier|mars|avril|mai|juin|juillet|aout|septembre|octobre|novembre|decembre'
# xxx.Mercredi_30-10-2019_11-33-17.sql.gz

#find $BKP_DEST -name "*.sql.gz" -mtime +$BKP_DAYS | grep -v -E '(janvier|fevrier|mars|avril|mai|juin|juillet|aout|septembre|octobre|novembre|decembre)|(S\d{2}_\d{4})' > day.txt
find -E $BKP_DEST -mtime +$BKP_DAYS -regex '.*(janvier|fevrier|mars|avril|mai|juin|juillet|aout|septembre|octobre|novembre|decembre)|(S\d{2}_\d{4})' > day.txt
echo $?

#find $BKP_DEST -name "*.sql.gz" -mtime +$BKP_WEEKS | grep -E 'S\d{2}_\d{4}' > week.txt
find -E $BKP_DEST -mtime +$BKP_WEEKS -regex 'S\d{2}_\d{4}' > week.txt
echo $?

#find $BKP_DEST -name "*.sql.gz" -mtime +$BKP_MONTHS | grep -E '(janvier|fevrier|mars|avril|mai|juin|juillet|aout|septembre|octobre|novembre|decembre)' > month.txt
find -E $BKP_DEST -mtime +$BKP_MONTHS -regex '.*(janvier|fevrier|mars|avril|mai|juin|juillet|aout|septembre|octobre|novembre|decembre)' > month.txt
echo $?

# find . -name "*.sql.gz" | grep -E 'Monday|Tuesday' | xargs rm


# cd /volume1/Backup/SilverBook/Bases_MySQL
# find . -type f -mtime +3 -name '*.sql.gz' -delete

# find /volume1/Backup/SilverBook/Bases_MySQL -type f -mtime +1 -name '*.sql.gz'
# ssh dsm916e 'find /volume1/Backup/SilverBook/Bases_MySQL -type f -mtime +1 -name "*.sql.gz" -delete'
#

#### End of script ####