launch-hadoop-slaves
上传用户:quxuerui
上传日期:2018-01-08
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文件大小:2k
- #!/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 slaves.
- if [ -z $1 ]; then
- echo "Cluster name required!"
- exit -1
- fi
- if [ -z $2 ]; then
- echo "Must specify the number of slaves to start."
- exit -1
- fi
- CLUSTER=$1
- NO_INSTANCES=$2
- # Import variables
- bin=`dirname "$0"`
- bin=`cd "$bin"; pwd`
- . "$bin"/hadoop-ec2-env.sh
- if [ ! -f $MASTER_IP_PATH ]; then
- echo "Must start Cluster Master first!"
- exit -1
- fi
- # Finding Hadoop image
- AMI_IMAGE=`ec2-describe-images -a | grep $S3_BUCKET | grep $HADOOP_VERSION | grep $ARCH |grep available | awk '{print $2}'`
- MASTER_HOST=`cat $MASTER_PRIVATE_IP_PATH`
- MASTER_ZONE=`cat $MASTER_ZONE_PATH`
- # Substituting master hostname
- sed -e "s|%MASTER_HOST%|$MASTER_HOST|" "$bin"/$USER_DATA_FILE > "$bin"/$USER_DATA_FILE.slave
- # Start slaves
- echo "Adding $1 node(s) to cluster group $CLUSTER with AMI $AMI_IMAGE"
- ec2-run-instances $AMI_IMAGE -n "$NO_INSTANCES" -g "$CLUSTER" -k "$KEY_NAME" -f "$bin"/$USER_DATA_FILE.slave -t "$INSTANCE_TYPE" -z "$MASTER_ZONE" $KERNEL_ARG | grep INSTANCE | awk '{print $2}'
- rm "$bin"/$USER_DATA_FILE.slave