#!/bin/bash
export DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
CONFIG_FILE=$DIR/_config.sh
[[ ! -r "${CONFIG_FILE}" ]] && { echo "Could not read ${CONFIG_FILE}!"; exit 1; }
set -a
. "${CONFIG_FILE}"
set +a

replication_user=`cat ./.remote.my.cnf | grep user | cut -d'=' -f2`
replication_password=`cat ./.remote.my.cnf | grep password | cut -d'=' -f2`
replication_host=`cat ./.remote.my.cnf | grep host | cut -d'=' -f2`

# Установка локально и удаленно MASTER-параметров
echo "Get master status from remote server" >> $log_file
remote_master_status=`mysql --defaults-extra-file=./.remote.my.cnf -e "SHOW MASTER STATUS;" -N`

remote_master_log_file=`echo $remote_master_status | cut -d' ' -f1`
remote_master_log_pos=`echo $remote_master_status | cut -d' ' -f2`

echo "Apply bin log position to local mariadb db instance" >> $log_file
mysql --defaults-extra-file=./.my.cnf -e "CHANGE MASTER TO MASTER_HOST = '$replication_host', MASTER_USER = '$replication_user', MASTER_PASSWORD = '$replication_password', MASTER_LOG_FILE = '$remote_master_log_file', MASTER_LOG_POS = $remote_master_log_pos;"

#echo "Get master status from local server" >> $log_file
#local_master_status=`mysql --defaults-extra-file=./.my.cnf -e "SHOW MASTER STATUS;" -N`

#local_master_log_file=`echo $local_master_status | cut -d' ' -f1`
#local_master_log_pos=`echo $local_master_status | cut -d' ' -f2`

#echo "Apply bin log position to remote mariadb db instance" >> $log_file
#TODO: $local_host replace to option --master-to-master=self_ip_address
#mysql --defaults-extra-file=./.remote.my.cnf -e "CHANGE MASTER TO MASTER_HOST = '$local_host', MASTER_USER = 'replication_user', MASTER_PASSWORD = 'replication_password', MASTER_LOG_FILE = '$local_master_log_file', MASTER_LOG_POS = $local_master_log_pos;"