#!/bin/bash


## PATH
export PATH=$PATH:/usr/local/mysql/bin

failuretype=`cat /usr/local/orchestrator/log/detected_failuretype.log`

if [ "$failuretype" = "DeadMaster" ]

    then
    ## Failure Master Host IP
    failed_host_ip=`mysql --login-path=orchuser -sN -e "select ipv4 from orchestrator.hostname_ips where hostname='$1'"`

    failed_host_db_port=`mysql --login-path=orchuser -sN -e "select port from orchestrator.database_instance where hostname='$1'"`

    topologyuser=`grep -i MySQLTopologyUser /usr/local/orchestrator/orchestrator.conf.json | awk '{print $2}' | sed "s/,//g" | sed "s/\"//g"`
    topologypassword=`grep -i MySQLTopologyPassword /usr/local/orchestrator/orchestrator.conf.json | awk '{print $2}' | sed "s/,//g" | sed "s/\"//g"`

    db_version=`mysql --login-path=orchuser -sN -e "select substr(version,1,1) from orchestrator.database_instance where hostname='$1'"`

    if [ "$db_version" = "5" ]
        then
        mysql -u$topologyuser -p$topologypassword -h $failed_host_ip -P $failed_host_db_port -sN  -e "start slave"

        else
        mysql -u$topologyuser -p$topologypassword -h $failed_host_ip -P $failed_host_db_port -sN  -e "start replica"
    fi
fi


echo "Graceful Takeover Replica Start"