| #!/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. |
| |
| bin=`dirname "${BASH_SOURCE-$0}"` |
| bin=`cd "$bin"; pwd` |
| |
| if [ -e "$bin/../libexec/hdfs-config.sh" ]; then |
| . "$bin"/../libexec/hdfs-config.sh |
| else |
| . "$bin/hdfs-config.sh" |
| fi |
| |
| #--------------------------------------------------------- |
| # namenodes |
| |
| NAMENODES=$($HADOOP_PREFIX/bin/hdfs getconf -namenodes) |
| |
| echo "Stopping namenodes on [$NAMENODES]" |
| |
| "$HADOOP_PREFIX/bin/hadoop-daemons.sh" \ |
| --config "$HADOOP_CONF_DIR" \ |
| --hostnames "$NAMENODES" \ |
| --script "$bin/hdfs" stop namenode |
| |
| #--------------------------------------------------------- |
| # datanodes (using default slaves file) |
| |
| if [ -n "$HADOOP_SECURE_DN_USER" ]; then |
| echo \ |
| "Attempting to stop secure cluster, skipping datanodes. " \ |
| "Run stop-secure-dns.sh as root to complete shutdown." |
| else |
| "$HADOOP_PREFIX/bin/hadoop-daemons.sh" \ |
| --config "$HADOOP_CONF_DIR" \ |
| --script "$bin/hdfs" stop datanode |
| fi |
| |
| #--------------------------------------------------------- |
| # secondary namenodes (if any) |
| |
| # if there are no secondary namenodes configured it returns |
| # 0.0.0.0 or empty string |
| SECONDARY_NAMENODES=$($HADOOP_PREFIX/bin/hdfs getconf -secondarynamenodes 2>&-) |
| SECONDARY_NAMENODES=${SECONDARY_NAMENODES:-'0.0.0.0'} |
| |
| if [ "$SECONDARY_NAMENODES" = '0.0.0.0' ] ; then |
| echo \ |
| "Secondary namenodes are not configured. " \ |
| "Cannot stop secondary namenodes." |
| else |
| echo "Stopping secondary namenodes [$SECONDARY_NAMENODES]" |
| |
| "$HADOOP_PREFIX/bin/hadoop-daemons.sh" \ |
| --config "$HADOOP_CONF_DIR" \ |
| --hostnames "$SECONDARY_NAMENODES" \ |
| --script "$bin/hdfs" stop secondarynamenode |
| fi |
| |
| # eof |