mysql-backup.sh

#!/bin/bash

# mysql 自动备份

TIMESTAMP=$(date +"%Y%m%d")
BACKUP_DIR="/usr/local/mysql/backup"
MYSQL_USER="root"
MYSQL=/usr/local/mysql/bin/mysql
MYSQL_PASSWORD="root"
MYSQLDUMP=/usr/local/mysql/bin/mysqldump

mkdir -p "$BACKUP_DIR/$TIMESTAMP"

databases=`$MYSQL --user=$MYSQL_USER -p$MYSQL_PASSWORD -e "SHOW DATABASES;" | grep -Ev "(Database|information_schema|performance_schema|mysql|test)"`

for db in $databases; do
    FILE=$BACKUP_DIR/$TIMESTAMP/$db.sql
    echo -n "$db > $FILE ..."
    if [ ! -f $FILE ]; then
        $MYSQLDUMP --force --opt --user=$MYSQL_USER -p$MYSQL_PASSWORD --databases $db > $FILE
        echo -e " \033[32;49;2mdone!\033[39;49;0m"
    else
        echo -e " \033[31;49;2malready exists!\033[39;49;0m"
    fi
done