#!/bin/bash
TIMESTAMP=$(date + "%F %H:%M")
BACKUP_DIR="/home/backups/$TIMESTAMP"
MYSQL_USER="root"
MYSQL=/usr/bin/mysql
MYSQL_PASSWORD="my root password is here"
MYSQLDUMP=/usr/bin/mysqldump

mkdir -p "$BACKUP_DIR/mysql"

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

for db in $databases; do
    $MYSQLDUMP --force --opt --user=$MYSQL_USER -p$MYSQL_PASSWORD --databases $db | gzip > "$BACKUP_DIR/mysql/$db.gz"
done