#!/bin/bash

# Install controller base requiered packages

set -eux

# Templates write the configs into /mnt/state. However, MySQL makes it very
# difficult not to use this as the directory for configs.
rm -rf /etc/mysql
ln -s /mnt/state/etc/mysql /etc/mysql
if [ -e /etc/apparmor.d/usr.sbin.mysqld ] ; then
    sed -i -e 's,/var/lib/mysql/,/mnt/state/var/lib/mysql/,g' /etc/apparmor.d/usr.sbin.mysqld
    sed -i -e 's,/var/log/mysql/,/mnt/state/var/log/mysql/,g' /etc/apparmor.d/usr.sbin.mysqld
    sed -i -e 's,/etc/mysql/,/mnt/state/etc/mysql/,g' /etc/apparmor.d/usr.sbin.mysqld
fi
if [ -e /etc/init/mysql.conf ]; then
    sed -i -e 's,/var/lib/mysql/,/mnt/state/var/lib/mysql/,g' /etc/init/mysql.conf
fi

# Fedora/RHEL install /etc/my.cnf but we do not want any unmanaged configs
# mariadb elements install using packages, so we don't want to just delete this
# file, so symlink it to the config we actually use.
ln -f -s /etc/mysql/my.cnf /etc/my.cnf

# On openSUSE /var/lib/mysql is not part of the mariadb packages.
[ -d /var/lib/mysql ] || install -d -o mysql -g root -m 0700 /var/lib/mysql
register-state-path /var/lib/mysql
# We need to setup the directory with appropriate permissions and then
# the first time we boot a particular state partition we rsync this in.
[ -d /var/log/mysql ] || install -d -o root -g mysql -m 0775 /var/log/mysql
register-state-path /var/log/mysql

# galera lib path is set in mysql config file, creating symlink
# /usr/local/mysql/lib/libgalera_smm.so allows us to use same path
# for mysql and mariadb and for i386/amd64
[ -e /usr/local/mysql/lib ] || install -m 0755 -o root -g root -d /usr/local/mysql/lib
if [ -e /usr/lib64/galera/libgalera_smm.so ];then
    ln -sf /usr/lib64/galera/libgalera_smm.so /usr/local/mysql/lib/libgalera_smm.so
elif [ -e /usr/lib/galera/libgalera_smm.so ];then
    ln -sf /usr/lib/galera/libgalera_smm.so /usr/local/mysql/lib/libgalera_smm.so
fi