#!/usr/bin/env bash

# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements.  See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License.  You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

# Launch an EC2 cluster of HBase instances.

bin=`dirname "$0"`
bin=`cd "$bin"; pwd`

if [ -z $1 ]; then
  echo "Cluster name required!"
  exit 1
fi
CLUSTER=$1

if [ -z $2 ]; then
  echo "Must specify the number of slaves to start."
  exit 1
fi
SLAVES=$2

if [ -z $3 ]; then
  echo "Must specify the number of zookeepers to start."
  exit 1
fi
ZOOS=$3

# Set up security groups

if ! "$bin"/init-hbase-cluster-secgroups $CLUSTER ; then
  exit $?
fi

# Launch the ZK quorum peers

if ! "$bin"/launch-hbase-zookeeper $CLUSTER $ZOOS ; then
  exit $?
fi

# Launch the HBase master

if ! "$bin"/launch-hbase-master $CLUSTER $SLAVES ; then
  exit $?
fi

# Launch the HBase slaves

if ! "$bin"/launch-hbase-slaves $CLUSTER $SLAVES ; then
  exit $?
fi