#/bin/sh -x
PRIMARY_PORT=5432
STANDBY_PORT=5433
PRIMARY=/home/postgres/data
STANDBY=/home/postgres/standby

master_db_cluster=$1
recovery_node_host_name=$2
recovery_db_cluster=$3

if [ $master_db_cluster = $PRIMARY ];then
  PORT=$PRIMARY_PORT
  SOURCE_CLUSTER=$PRIMARY
  DEST_CLUSTER=$STANDBY
else
  PORT=$STANDBY_PORT
  SOURCE_CLUSTER=$STANDBY
  DEST_CLUSTER=$PRIMARY
fi

psql -p $PORT -c "SELECT pg_start_backup('Streaming Replication', true)" postgres

rsync -C -a -c --delete --exclude postgresql.conf --exclude postmaster.pid \
--exclude postmaster.opts --exclude pg_log \
--exclude recovery.conf --exclude recovery.done \
--exclude pg_xlog \
$SOURCE_CLUSTER/ $DEST_CLUSTER/

mkdir $DEST_CLUSTER/pg_xlog
chmod 700 $DEST_CLUSTER/pg_xlog
rm $DEST_CLUSTER/recovery.done
cat > $DEST_CLUSTER/recovery.conf <<EOF
standby_mode          = 'on'
primary_conninfo      = 'port=$PORT user=postgres'
trigger_file = '/var/log/pgpool/trigger/trigger_file1'
EOF

psql -p $PORT -c "SELECT pg_stop_backup()" postgres