| #!/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. |
| |
| # Run as root to start secure datanodes in a security-enabled cluster. |
| |
| usage="Usage (run as root in order to start secure datanodes): start-secure-dns.sh" |
| |
| bin=`dirname "${BASH_SOURCE-$0}"` |
| bin=`cd "$bin"; pwd` |
| |
| DEFAULT_LIBEXEC_DIR="$bin"/../libexec |
| HADOOP_LIBEXEC_DIR=${HADOOP_LIBEXEC_DIR:-$DEFAULT_LIBEXEC_DIR} |
| . $HADOOP_LIBEXEC_DIR/hdfs-config.sh |
| |
| if [ "$EUID" -eq 0 ] && [ -n "$HADOOP_SECURE_DN_USER" ]; then |
| "$HADOOP_PREFIX"/sbin/hadoop-daemons.sh --config $HADOOP_CONF_DIR --script "$bin"/hdfs start datanode $dataStartOpt |
| else |
| echo $usage |
| fi |
