1 | #!/usr/bin/env bash |
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2 | |
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3 | # Licensed to the Apache Software Foundation (ASF) under one or more |
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4 | # contributor license agreements. See the NOTICE file distributed with |
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5 | # this work for additional information regarding copyright ownership. |
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6 | # The ASF licenses this file to You under the Apache License, Version 2.0 |
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7 | # (the "License"); you may not use this file except in compliance with |
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8 | # the License. You may obtain a copy of the License at |
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9 | # |
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10 | # http://www.apache.org/licenses/LICENSE-2.0 |
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11 | # |
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12 | # Unless required by applicable law or agreed to in writing, software |
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13 | # distributed under the License is distributed on an "AS IS" BASIS, |
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14 | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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15 | # See the License for the specific language governing permissions and |
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16 | # limitations under the License. |
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17 | |
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18 | # Terminate a cluster. |
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19 | |
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20 | if [ -z $1 ]; then |
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21 | echo "Cluster name required!" |
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22 | exit -1 |
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23 | fi |
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24 | |
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25 | CLUSTER=$1 |
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26 | |
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27 | # Import variables |
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28 | bin=`dirname "$0"` |
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29 | bin=`cd "$bin"; pwd` |
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30 | . "$bin"/hadoop-ec2-env.sh |
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31 | |
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32 | # Finding Hadoop image |
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33 | HADOOP_INSTANCES=`ec2-describe-instances | awk '"RESERVATION" == $1 && ("'$CLUSTER'" == $4 || "'$CLUSTER_MASTER'" == $4), "RESERVATION" == $1 && ("'$CLUSTER'" != $4 && "'$CLUSTER_MASTER'" != $4)'` |
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34 | HADOOP_INSTANCES=`echo "$HADOOP_INSTANCES" | grep INSTANCE | grep running` |
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35 | |
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36 | [ -z "$HADOOP_INSTANCES" ] && echo "No running instances in cluster $CLUSTER." && exit 0 |
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37 | |
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38 | echo "Running Hadoop instances:" |
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39 | echo "$HADOOP_INSTANCES" |
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40 | read -p "Terminate all instances? [yes or no]: " answer |
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41 | |
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42 | if [ "$answer" != "yes" ]; then |
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43 | exit 1 |
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44 | fi |
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45 | |
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46 | ec2-terminate-instances `echo "$HADOOP_INSTANCES" | awk '{print $2}'` |
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