Upgrade MySQL without prompt

upgrade_mysql.sh

#!/usr/bin/env bash

wget http://dev.mysql.com/get/mysql-apt-config_0.8.2-1_all.deb

debconf-set-selections <<< 'mysql-apt-config mysql-apt-config/select-tools select MySQL Server (Currently selected: mysql-5.7)'
debconf-set-selections <<< "mysql-apt-config mysql-apt-config/select-preview select mysql-5.7"
debconf-set-selections <<< "mysql-apt-config mysql-apt-config/select-server select mysql-5.7"
debconf-set-selections <<< "mysql-apt-config mysql-apt-config/select-product select Ok"
debconf-set-selections <<< 'mysql-server mysql-server/root_password password root'
debconf-set-selections <<< 'mysql-server mysql-server/root_password_again password root'
debconf-set-selections <<< 'mysql-community-server mysql-community-server/root-pass password root'
debconf-set-selections <<< 'mysql-community-server mysql-community-server/re-root-pass password root'

DEBIAN_FRONTEND=noninteractive dpkg -i mysql-apt-config_0.8.2-1_all.deb
apt-get update
DEBIAN_FRONTEND=noninteractive apt-get -y install mysql-server

sudo mysql_upgrade -u root -p

sudo service mysql restart

Thanks for the script