#!/bin/bash

# base settings
set -e

[ -e /firstboot ] || exit 0

echo 'Setting defaults...'
localectl --no-convert set-keymap de-latin1-nodeadkeys

echo 'Activate services...'
timedatectl set-ntp true

# variables
LABEL="DATA"
DATABASE_PASS="Di1sgMySQLPwd."

# Data partition
echo 'Mount data partition...'
mkdir -p /$LABEL
if [ ! -L "/dev/disk/by-label/$LABEL" ]; then
    echo 'ERROR: Data partition not found!'
    echo "Please create a data partition with ext4 filesystem and label \"$LABEL\":"
    echo "# cfdisk /dev/<disk> (use GPT label, create linux partition)"
    echo "# mkfs.ext4 -L $LABEL /dev/<partition>"
    exit 1
fi
if ! grep -Fq "LABEL=$LABEL" /etc/fstab; then
    echo "LABEL=$LABEL  /$LABEL  ext4  noatime  0 1" >> /etc/fstab
fi
mount -a
if ! mount | grep /$LABEL > /dev/null; then
    echo "ERROR: Could not mount data partition!"
    exit 1
fi

if [ ! -d "/$LABEL/var/lib/mysql/assp" ]; then
    echo 'Initialize MariaDB...'
    systemctl stop mariadb
    mkdir -p /$LABEL/var/lib/mysql
    rm -rf /$LABEL/var/lib/mysql/*
    cp -a /var/lib/mysql/. /$LABEL/var/lib/mysql
    sed -i "s:^datadir.*:datadir = /$LABEL/var/lib/mysql:" /etc/mysql/my.cnf
    systemctl start mariadb

    echo 'Create ASSP database...'
    mysql -u root -e "CREATE USER 'assp'@'localhost' IDENTIFIED BY '$DATABASE_PASS'"
    mysql -u root -e "CREATE DATABASE assp;"
    mysql -u root -e "GRANT ALL PRIVILEGES ON assp.* TO 'assp'@'localhost' IDENTIFIED by '$DATABASE_PASS';"
    mysql -u root -e "FLUSH PRIVILEGES;"
else
    echo 'Start MariaDB...'
    sed -i "s:^datadir.*:datadir = /$LABEL/var/lib/mysql:" /etc/mysql/my.cnf
    systemctl start mariadb
fi
echo 'Enable database...'
systemctl enable mariadb

# Perl (und damit ASSP) darf auch Ports unter 1024 öffnen
setcap CAP_NET_BIND_SERVICE=+eip /usr/bin/perl

rm /firstboot