[120] | 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 | # Launch an EC2 Hadoop master. |
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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 | if [ -z $AWS_ACCOUNT_ID ]; then |
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| 33 | echo "Please set AWS_ACCOUNT_ID in $bin/hadoop-ec2-env.sh." |
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| 34 | exit -1 |
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| 35 | fi |
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| 36 | |
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| 37 | echo "Testing for existing master in group: $CLUSTER" |
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| 38 | MASTER_EC2_HOST=`ec2-describe-instances | awk '"RESERVATION" == $1 && "'$CLUSTER_MASTER'" == $4, "RESERVATION" == $1 && "'$CLUSTER_MASTER'" != $4'` |
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| 39 | MASTER_EC2_HOST=`echo "$MASTER_EC2_HOST" | awk '"INSTANCE" == $1 && "running" == $6 {print $4}'` |
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| 40 | |
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| 41 | if [ ! -z "$MASTER_EC2_HOST" ]; then |
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| 42 | echo "Master already running on: $MASTER_EC2_HOST" |
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| 43 | MASTER_HOST=`ec2-describe-instances $INSTANCE | grep INSTANCE | grep running | grep $MASTER_EC2_HOST | awk '{print $5}'` |
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| 44 | echo $MASTER_HOST > $MASTER_PRIVATE_IP_PATH |
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| 45 | echo $MASTER_EC2_HOST > $MASTER_IP_PATH |
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| 46 | exit 0 |
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| 47 | fi |
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| 48 | |
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| 49 | ec2-describe-group | egrep "[[:space:]]$CLUSTER_MASTER[[:space:]]" > /dev/null |
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| 50 | if [ ! $? -eq 0 ]; then |
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| 51 | echo "Creating group $CLUSTER_MASTER" |
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| 52 | ec2-add-group $CLUSTER_MASTER -d "Group for Hadoop Master." |
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| 53 | ec2-authorize $CLUSTER_MASTER -o $CLUSTER_MASTER -u $AWS_ACCOUNT_ID |
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| 54 | ec2-authorize $CLUSTER_MASTER -p 22 # ssh |
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| 55 | |
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| 56 | if [ $ENABLE_WEB_PORTS == "true" ]; then |
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| 57 | ec2-authorize $CLUSTER_MASTER -p 50030 # JobTracker web interface |
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| 58 | ec2-authorize $CLUSTER_MASTER -p 50060 # TaskTracker web interface |
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| 59 | ec2-authorize $CLUSTER_MASTER -p 50070 # NameNode web interface |
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| 60 | ec2-authorize $CLUSTER_MASTER -p 50075 # DataNode web interface |
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| 61 | fi |
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| 62 | fi |
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| 63 | |
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| 64 | ec2-describe-group | egrep "[[:space:]]$CLUSTER[[:space:]]" > /dev/null |
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| 65 | if [ ! $? -eq 0 ]; then |
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| 66 | echo "Creating group $CLUSTER" |
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| 67 | ec2-add-group $CLUSTER -d "Group for Hadoop Slaves." |
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| 68 | ec2-authorize $CLUSTER -o $CLUSTER -u $AWS_ACCOUNT_ID |
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| 69 | ec2-authorize $CLUSTER -p 22 # ssh |
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| 70 | |
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| 71 | if [ $ENABLE_WEB_PORTS == "true" ]; then |
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| 72 | ec2-authorize $CLUSTER -p 50030 # JobTracker web interface |
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| 73 | ec2-authorize $CLUSTER -p 50060 # TaskTracker web interface |
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| 74 | ec2-authorize $CLUSTER -p 50070 # NameNode web interface |
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| 75 | ec2-authorize $CLUSTER -p 50075 # DataNode web interface |
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| 76 | fi |
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| 77 | |
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| 78 | ec2-authorize $CLUSTER_MASTER -o $CLUSTER -u $AWS_ACCOUNT_ID |
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| 79 | ec2-authorize $CLUSTER -o $CLUSTER_MASTER -u $AWS_ACCOUNT_ID |
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| 80 | fi |
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| 81 | |
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| 82 | # Finding Hadoop image |
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| 83 | AMI_IMAGE=`ec2-describe-images -a | grep $S3_BUCKET | grep $HADOOP_VERSION | grep $ARCH | grep available | awk '{print $2}'` |
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| 84 | |
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| 85 | # Start a master |
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| 86 | echo "Starting master with AMI $AMI_IMAGE" |
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| 87 | USER_DATA="MASTER_HOST=master,MAX_MAP_TASKS=$MAX_MAP_TASKS,MAX_REDUCE_TASKS=$MAX_REDUCE_TASKS,COMPRESS=$COMPRESS" |
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| 88 | INSTANCE=`ec2-run-instances $AMI_IMAGE -n 1 -g $CLUSTER_MASTER -k $KEY_NAME -f "$bin"/$USER_DATA_FILE -t $INSTANCE_TYPE $KERNEL_ARG | grep INSTANCE | awk '{print $2}'` |
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| 89 | echo "Waiting for instance $INSTANCE to start" |
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| 90 | while true; do |
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| 91 | printf "." |
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| 92 | # get private dns |
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| 93 | MASTER_HOST=`ec2-describe-instances $INSTANCE | grep running | awk '{print $5}'` |
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| 94 | if [ ! -z $MASTER_HOST ]; then |
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| 95 | echo "Started as $MASTER_HOST" |
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| 96 | break; |
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| 97 | fi |
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| 98 | sleep 1 |
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| 99 | done |
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| 100 | |
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| 101 | MASTER_EC2_HOST=`ec2-describe-instances $INSTANCE | grep INSTANCE | grep running | grep $MASTER_HOST | awk '{print $4}'` |
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| 102 | echo $MASTER_HOST > $MASTER_PRIVATE_IP_PATH |
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| 103 | echo $MASTER_EC2_HOST > $MASTER_IP_PATH |
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| 104 | MASTER_EC2_ZONE=`ec2-describe-instances $INSTANCE | grep INSTANCE | grep running | grep $MASTER_HOST | awk '{print $11}'` |
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| 105 | echo $MASTER_EC2_ZONE > $MASTER_ZONE_PATH |
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| 106 | |
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| 107 | while true; do |
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| 108 | REPLY=`ssh $SSH_OPTS "root@$MASTER_EC2_HOST" 'echo "hello"'` |
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| 109 | if [ ! -z $REPLY ]; then |
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| 110 | break; |
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| 111 | fi |
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| 112 | sleep 5 |
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| 113 | done |
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| 114 | |
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| 115 | echo "Copying private key to master" |
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| 116 | scp $SSH_OPTS $PRIVATE_KEY_PATH "root@$MASTER_EC2_HOST:/root/.ssh/id_rsa" |
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| 117 | ssh $SSH_OPTS "root@$MASTER_EC2_HOST" "chmod 600 /root/.ssh/id_rsa" |
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| 118 | |
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| 119 | MASTER_IP=`dig +short $MASTER_EC2_HOST` |
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| 120 | echo "Master is $MASTER_EC2_HOST, ip is $MASTER_IP, zone is $MASTER_EC2_ZONE." |
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