hbase/contrib/ec2/bin/terminate-hbase-cluster

#!/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
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# Terminate a cluster.

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

CLUSTER=$1

# Import variables
bin=`dirname "$0"`
bin=`cd "$bin"; pwd`
. "$bin"/hbase-ec2-env.sh

# Finding HBase image
HBASE_INSTANCES=`ec2-describe-instances $TOOL_OPTS | awk '"RESERVATION" == $1 && ("'$CLUSTER'" == $4 || "'$CLUSTER_MASTER'" == $4 || "'$CLUSTER_ZOOKEEPER'" == $4), "RESERVATION" == $1 && ("'$CLUSTER'" != $4 && "'$CLUSTER_MASTER'" != $4 && "'$CLUSTER_ZOOKEEPER'" != $4)'`
HBASE_INSTANCES=`echo "$HBASE_INSTANCES" | grep INSTANCE | grep running`

[ -z "$HBASE_INSTANCES" ] && echo "No running instances in cluster $CLUSTER." && exit 0

echo "Running HBase instances:"
echo "$HBASE_INSTANCES"
read -p "Terminate all instances? [yes or no]: " answer

if [ "$answer" != "yes" ]; then
  exit 1
fi

ec2-terminate-instances $TOOL_OPTS `echo "$HBASE_INSTANCES" | awk '{print $2}'`

# clean up elastic IPs
if [ "$ENABLE_ELASTIC_IPS" = "true" ] ; then
  # master
  ec2-release-address $TOOL_OPTS `cat $MASTER_IP_PATH`
  # zookeeper quorum ensemble
  for addr in `cat $ZOOKEEPER_ADDR_PATH` ; do
    ec2-release-address $TOOL_OPTS $addr
  done
fi

# clean up state files

rm -f $ZOOKEEPER_ADDR_PATH $ZOOKEEPER_QUORUM_PATH
rm -f $MASTER_IP_PATH $MASTER_ADDR_PATH $MASTER_ZONE_PATH