#!/bin/sh
# Start a cluster
# 
# Arguments: NAME HOST [host...]
# Start a cluster called NAME with N nodes running on the given HOSTs
# repeat the host name to run multiple brokers on one host. Use dynamic
# ports.
#
# Log files, data directories and hosts/ports files are all stored under
# $HOME/cluster_test/$NAME
# 

source config.sh

CLUSTER_NAME=`date +"${USER}_%F_%T"`
HOSTS=($BROKER_HOSTS)
for ((i = 0; i < ${#HOSTS[*]}; ++i)) ; do
    host=${HOSTS[$i]}
    datadir=$CLUSTER_HOME/broker$i
    log=$datadir/qpidd.log
    ssh $host "rm -rf $datadir; mkdir -p $datadir" || {
	echo "ERROR: can't make data dir $datadir"; exit 1
    }
    port=`ssh $host "echo $QPIDD -dp0 --cluster-name=$CLUSTER_NAME \
	  --data-dir=$datadir \
	  --log-to-file=$log --log-prefix=broker$i \
	  $QPIDD_OPTS | newgrp ais"` || {
	error "ERROR: can't start broker $i on  $host"; exit 1;
    }
    PORTS="$PORTS $port"
done

echo "$BROKER_HOSTS" > $CLUSTER_HOME/hosts
echo "$PORTS" > $CLUSTER_HOME/ports

`dirname $0`/cluster_check $NAME