| #!/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. |
| |
| set -o errexit |
| |
| # 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" |