#!/bin/sh
#
# Configure Stack components based on the instance type
# Copyright 2020 Bitnami.com All Rights Reserved
#

. /opt/bitnami/scripts/init/functions

APACHE_CONF="/opt/bitnami/apache2/conf/bitnami"
MYSQL_CONF="/opt/bitnami/mysql/bitnami"
MARIADB_CONF="/opt/bitnami/mariadb/bitnami"
POSTGRESQL_CONF="/opt/bitnami/postgresql/bitnami"
PHPFPM_CONF="/opt/bitnami/php/etc/bitnami"
JAVA_CONF="/opt/bitnami/java/bitnami"
HADOOP_CONF="/opt/bitnami/hadoop/etc/bitnami"
HADOOP_CONF_DEST="/opt/bitnami/hadoop/etc/hadoop"

run_once_per_instance_type_check "stack_etc"
if [ $? -eq 0 ]; then
  MACHINE_SIZE=`get_generic_instance_type`

  if [ -d ${APACHE_CONF} ]; then
    ln -fTs ${APACHE_CONF}/httpd-${MACHINE_SIZE}.conf ${APACHE_CONF}/httpd.conf
  fi
  if [ -d ${MYSQL_CONF} ]; then
    ln -fTs ${MYSQL_CONF}/my-${MACHINE_SIZE}.cnf ${MYSQL_CONF}/my.cnf
  fi
  if [ -d ${MARIADB_CONF} ]; then
    ln -fTs ${MARIADB_CONF}/my-${MACHINE_SIZE}.cnf ${MARIADB_CONF}/my.cnf
  fi
  if [ -d ${POSTGRESQL_CONF} ]; then
    ln -fTs ${POSTGRESQL_CONF}/postgresql-${MACHINE_SIZE}.conf ${POSTGRESQL_CONF}/postgresql.cnf
  fi
  if [ -d ${PHPFPM_CONF} ]; then
    ln -fTs ${PHPFPM_CONF}/common-${MACHINE_SIZE}.conf ${PHPFPM_CONF}/common.conf
  fi
  if [ -d ${JAVA_CONF} ]; then
    ln -fTs ${JAVA_CONF}/setenv-${MACHINE_SIZE}.sh ${JAVA_CONF}/setenv.sh
  fi
  if [ -d ${HADOOP_CONF} ]; then
    ln -fTs ${HADOOP_CONF}/yarn-site-${MACHINE_SIZE}.xml ${HADOOP_CONF}/yarn-site.xml
    TEMP_FILE=$(mktemp)
    sed -i  '/<!-- BITNAMI DEFAULT CONFIGURATION -->/,/<!-- END BITNAMI DEFAULT CONFIGURATION -->/d' ${HADOOP_CONF_DEST}/yarn-site.xml
    sed -i  '/<?xml/d' ${HADOOP_CONF_DEST}/yarn-site.xml
    sed -i  '/<configuration>/d' ${HADOOP_CONF_DEST}/yarn-site.xml
    echo '<?xml version="1.0"?>' > ${TEMP_FILE}
    echo '<configuration>' >> ${TEMP_FILE} 
    cat ${HADOOP_CONF}/yarn-site.xml ${HADOOP_CONF_DEST}/yarn-site.xml >> ${TEMP_FILE}
    cat ${TEMP_FILE} > ${HADOOP_CONF_DEST}/yarn-site.xml
  fi
fi