| #!/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 Hadoop master. |
| |
| if [ -z $1 ]; then |
| echo "Cluster name required!" |
| exit -1 |
| fi |
| |
| CLUSTER=$1 |
| |
| # Import variables |
| bin=`dirname "$0"` |
| bin=`cd "$bin"; pwd` |
| . "$bin"/hadoop-ec2-env.sh |
| |
| if [ -z $AWS_ACCOUNT_ID ]; then |
| echo "Please set AWS_ACCOUNT_ID in $bin/hadoop-ec2-env.sh." |
| exit -1 |
| fi |
| |
| echo "Testing for existing master in group: $CLUSTER" |
| MASTER_EC2_HOST=`ec2-describe-instances | awk '"RESERVATION" == $1 && "'$CLUSTER_MASTER'" == $4, "RESERVATION" == $1 && "'$CLUSTER_MASTER'" != $4'` |
| MASTER_EC2_HOST=`echo "$MASTER_EC2_HOST" | awk '"INSTANCE" == $1 && "running" == $6 {print $4}'` |
| |
| if [ ! -z "$MASTER_EC2_HOST" ]; then |
| echo "Master already running on: $MASTER_EC2_HOST" |
| MASTER_HOST=`ec2-describe-instances $INSTANCE | grep INSTANCE | grep running | grep $MASTER_EC2_HOST | awk '{print $5}'` |
| echo $MASTER_HOST > $MASTER_PRIVATE_IP_PATH |
| echo $MASTER_EC2_HOST > $MASTER_IP_PATH |
| exit 0 |
| fi |
| |
| ec2-describe-group | egrep "[[:space:]]$CLUSTER_MASTER[[:space:]]" > /dev/null |
| if [ ! $? -eq 0 ]; then |
| echo "Creating group $CLUSTER_MASTER" |
| ec2-add-group $CLUSTER_MASTER -d "Group for Hadoop Master." |
| ec2-authorize $CLUSTER_MASTER -o $CLUSTER_MASTER -u $AWS_ACCOUNT_ID |
| ec2-authorize $CLUSTER_MASTER -p 22 # ssh |
| |
| if [ $ENABLE_WEB_PORTS == "true" ]; then |
| ec2-authorize $CLUSTER_MASTER -p 50030 # JobTracker web interface |
| ec2-authorize $CLUSTER_MASTER -p 50060 # TaskTracker web interface |
| ec2-authorize $CLUSTER_MASTER -p 50070 # NameNode web interface |
| ec2-authorize $CLUSTER_MASTER -p 50075 # DataNode web interface |
| fi |
| fi |
| |
| ec2-describe-group | egrep "[[:space:]]$CLUSTER[[:space:]]" > /dev/null |
| if [ ! $? -eq 0 ]; then |
| echo "Creating group $CLUSTER" |
| ec2-add-group $CLUSTER -d "Group for Hadoop Slaves." |
| ec2-authorize $CLUSTER -o $CLUSTER -u $AWS_ACCOUNT_ID |
| ec2-authorize $CLUSTER -p 22 # ssh |
| |
| if [ $ENABLE_WEB_PORTS == "true" ]; then |
| ec2-authorize $CLUSTER -p 50030 # JobTracker web interface |
| ec2-authorize $CLUSTER -p 50060 # TaskTracker web interface |
| ec2-authorize $CLUSTER -p 50070 # NameNode web interface |
| ec2-authorize $CLUSTER -p 50075 # DataNode web interface |
| fi |
| |
| ec2-authorize $CLUSTER_MASTER -o $CLUSTER -u $AWS_ACCOUNT_ID |
| ec2-authorize $CLUSTER -o $CLUSTER_MASTER -u $AWS_ACCOUNT_ID |
| fi |
| |
| # Finding Hadoop image |
| AMI_IMAGE=`ec2-describe-images -a | grep $S3_BUCKET | grep $HADOOP_VERSION | grep $ARCH | grep available | awk '{print $2}'` |
| |
| # Start a master |
| echo "Starting master with AMI $AMI_IMAGE" |
| USER_DATA="MASTER_HOST=master,MAX_MAP_TASKS=$MAX_MAP_TASKS,MAX_REDUCE_TASKS=$MAX_REDUCE_TASKS,COMPRESS=$COMPRESS" |
| 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}'` |
| echo "Waiting for instance $INSTANCE to start" |
| while true; do |
| printf "." |
| # get private dns |
| MASTER_HOST=`ec2-describe-instances $INSTANCE | grep running | awk '{print $5}'` |
| if [ ! -z $MASTER_HOST ]; then |
| echo "Started as $MASTER_HOST" |
| break; |
| fi |
| sleep 1 |
| done |
| |
| MASTER_EC2_HOST=`ec2-describe-instances $INSTANCE | grep INSTANCE | grep running | grep $MASTER_HOST | awk '{print $4}'` |
| echo $MASTER_HOST > $MASTER_PRIVATE_IP_PATH |
| echo $MASTER_EC2_HOST > $MASTER_IP_PATH |
| MASTER_EC2_ZONE=`ec2-describe-instances $INSTANCE | grep INSTANCE | grep running | grep $MASTER_HOST | awk '{print $11}'` |
| echo $MASTER_EC2_ZONE > $MASTER_ZONE_PATH |
| |
| while true; do |
| REPLY=`ssh $SSH_OPTS "root@$MASTER_EC2_HOST" 'echo "hello"'` |
| if [ ! -z $REPLY ]; then |
| break; |
| fi |
| sleep 5 |
| done |
| |
| echo "Copying private key to master" |
| scp $SSH_OPTS $PRIVATE_KEY_PATH "root@$MASTER_EC2_HOST:/root/.ssh/id_rsa" |
| ssh $SSH_OPTS "root@$MASTER_EC2_HOST" "chmod 600 /root/.ssh/id_rsa" |
| |
| MASTER_IP=`dig +short $MASTER_EC2_HOST` |
| echo "Master is $MASTER_EC2_HOST, ip is $MASTER_IP, zone is $MASTER_EC2_ZONE." |