common/src/contrib/ec2/bin/launch-hadoop-cluster

#!/usr/bin/env bash

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# this work for additional information regarding copyright ownership.
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#
#     http://www.apache.org/licenses/LICENSE-2.0
#
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# Launch an EC2 cluster of Hadoop instances.

set -o errexit

# Import variables
bin=`dirname "$0"`
bin=`cd "$bin"; pwd`

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

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

if ! "$bin"/launch-hadoop-master $1 ; then
  exit $?
fi

if ! "$bin"/launch-hadoop-slaves $*; then
  exit $?
fi