#!/bin/bash

# CONTEXT: GUEST during CONSTRUCTION as ROOT
# PURPOSE: Install controller base required packages

set -e
set -o xtrace

export DEBIAN_FRONTEND=noninteractive

apt-get --allow-unauthenticated -y install mysql-client mysql-server gnupg2

# NOTE(lxkong): Refer to https://www.percona.com/doc/percona-xtrabackup/2.4/installation/apt_repo.html
wget https://repo.percona.com/apt/percona-release_latest.$(lsb_release -sc)_all.deb
dpkg -i percona-release_latest.$(lsb_release -sc)_all.deb
apt-get update

# Xenial provides mysql 5.7 which requires percona-xtrabackup-24
PXB_VERSION_OVERRIDE=24
apt-get --allow-unauthenticated -y install percona-xtrabackup-${PXB_VERSION_OVERRIDE}

cat >/etc/mysql/conf.d/no_perf_schema.cnf <<_EOF_
[mysqld]
performance_schema = off
show_compatibility_56 = on
_EOF_

mv /etc/mysql/my.cnf.fallback /etc/mysql/my.cnf
chown mysql:mysql /etc/mysql/my.cnf
cat >/etc/mysql/my.cnf <<_EOF_
[mysql]
!includedir /etc/mysql/conf.d/
_EOF_

if [ -e /etc/init/mysql.conf ]; then
    rm -f /etc/init/mysql.conf
fi

systemctl enable mysql