blob: 422e4d0c3578a44cfd0a835111486a90c0cdfa34 [file] [log] [blame]
#!/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"