| #!/bin/sh |
| # 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. |
| # |
| # This script terminates hdfs cluster and hadoop service. It checks /etc/hosts file |
| # for any unneeded entries and notifies user about them. |
| |
| set -e |
| |
| external_ip="$(kubectl get svc hadoop -o jsonpath='{.status.loadBalancer.ingress[0].ip}')" |
| hadoop_master_pod_name="$(kubectl get pods --selector=name=namenode -o jsonpath='{.items[*].metadata.name}')" |
| |
| kubectl delete -f hdfs-multi-datanode-cluster.yml |
| kubectl delete -f hdfs-multi-datanode-cluster-for-local-dev.yml |
| |
| if grep "$external_ip\\|$hadoop_master_pod_name" /etc/hosts ; then |
| echo "Remove entries from /etc/hosts." |
| fi |
