launch-hadoop-master
上传用户:quxuerui
上传日期:2018-01-08
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文件大小:5k
- #!/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."