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linuxtips/mysql/mysqlbackup.sh
T
2022-10-01 19:59:53 +02:00

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#!/bin/bash
# Basic configuration: datestamp e.g. YYYYMMDD
DATE=$(date +"%Y%m%d")
# Location of your backups (create the directory first!)
BACKUP_DIR="/backup/mysql"
# MySQL login details
MYSQL_USER="root"
MYSQL_PASSWORD="YOURSECUREPASSWORD"
# MySQL executable locations (no need to change this)
MYSQL=/usr/bin/mysql
MYSQLDUMP=/usr/bin/mysqldump
# MySQL databases you wish to skip
SKIPDATABASES="Database|information_schema|performance_schema|mysql"
# Number of days to keep the directories (older than X days will be removed)
RETENTION=14
# ---- DO NOT CHANGE BELOW THIS LINE ------------------------------------------
#
# Create a new directory into backup directory location for this date
mkdir -p $BACKUP_DIR/$DATE
# Retrieve a list of all databases
databases=`$MYSQL -u$MYSQL_USER -p$MYSQL_PASSWORD -e "SHOW DATABASES;" | grep -Ev "($SKIPDATABASES)"`
# Dumb the databases in seperate names and gzip the .sql file
for db in $databases; do
echo $db
$MYSQLDUMP --force --opt --user=$MYSQL_USER -p$MYSQL_PASSWORD --skip-lock-tables --events --databases $db | gzip > "$BACKUP_DIR/$DATE/$db.sql.gz"
done
# Remove files older than X days
find $BACKUP_DIR/* -mtime +$RETENTION -delete