list-hadoop-clusters
上传用户:quxuerui
上传日期:2018-01-08
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文件大小:1k
- #!/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.
- # List running clusters.
- # Import variables
- bin=`dirname "$0"`
- bin=`cd "$bin"; pwd`
- . "$bin"/hadoop-ec2-env.sh
- # Finding Hadoop clusters
- CLUSTERS=`ec2-describe-instances | awk '"RESERVATION" == $1 && $4 ~ /-master$/, "INSTANCE" == $1' | tr 'n' 't' | grep running | cut -f4 | rev | cut -d'-' -f2- | rev`
- [ -z "$CLUSTERS" ] && echo "No running clusters." && exit 0
- echo "Running Hadoop clusters:"
- echo "$CLUSTERS"