MySQL backup tool

mysql-backup.sh

#!/bin/bash

# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# 
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
# 
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <https://www.gnu.org/licenses/>.

########################################################################
#
# Project:      mysql-backup
# Version:      1.0.0
# Date:         2020-05-15
# Author:       Daif Alazmi <daif@daif.net>
#
########################################################################

# Backup configurations
BACKUP_DIR='/mnt/databases'
BACKUP_USR='root'
BACKUP_PWD=''
BACKUP_DBS=`mysqlshow | grep "|" | tr -d ' ' | tr -d '|' | egrep -v Databases`
BACKUP_LIN='                                        '

########################################################################
# 1 - Create backup directory if not existed.
########################################################################
if [ ! -d "$BACKUP_DIR" ]; then
  mkdir -p "$BACKUP_DIR";
fi
[ ! -d "$BACKUP_DIR" ] && echo -e "\033[0;31m \n>\n> Error: Backup directory $BACKUP_DIR is not exists! ... \n>\n\033[0m" && exit 1

########################################################################
# 2 - Start backup
########################################################################
echo -e "\033[0;33m \n### Start backup `date` ###\n\033[0m"

for db in $BACKUP_DBS
do
    printf "\033[0;32m>> %s %s \033[0m" $db "${BACKUP_LIN:${#db}}" 
    mysqldump -u $BACKUP_USR -p$BACKUP_PWD "$db" | gzip -9 > "$BACKUP_DIR/$db-$(date +%F).sql.gz"
    printf "\033[0;32m[Done]\n\033[0m"
done

echo -e "\033[0;33m \n### End backup `date` ###\n\033[0m"