111 lines
3.9 KiB
Bash
Executable File
111 lines
3.9 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Licensed to the Apache Software Foundation (ASF) under one or more
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# contributor license agreements. See the NOTICE file distributed with
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# this work for additional information regarding copyright ownership.
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# The ASF licenses this file to You under the Apache License, Version 2.0
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# (the "License"); you may not use this file except in compliance with
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# the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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bin=`dirname "$0"`
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bin=`cd "$bin"; pwd`
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. "$bin"/hdfs-config.sh
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function print_usage(){
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echo "Usage: hdfs [--config confdir] COMMAND"
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echo " where COMMAND is one of:"
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echo " namenode -format format the DFS filesystem"
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echo " secondarynamenode run the DFS secondary namenode"
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echo " namenode run the DFS namenode"
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echo " datanode run a DFS datanode"
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echo " dfsadmin run a DFS admin client"
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echo " fsck run a DFS filesystem checking utility"
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echo " balancer run a cluster balancing utility"
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echo " jmxget get JMX exported values from NameNode or DataNode."
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echo " oiv apply the offline fsimage viewer to an fsimage"
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echo " Use -help to see options"
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echo ""
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echo "Most commands print help when invoked w/o parameters."
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}
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if [ $# = 0 ]; then
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print_usage
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exit
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fi
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COMMAND=$1
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shift
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if [ "$COMMAND" = "namenode" ] ; then
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CLASS='org.apache.hadoop.hdfs.server.namenode.NameNode'
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HADOOP_OPTS="$HADOOP_OPTS $HADOOP_NAMENODE_OPTS"
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elif [ "$COMMAND" = "secondarynamenode" ] ; then
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CLASS='org.apache.hadoop.hdfs.server.namenode.SecondaryNameNode'
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HADOOP_OPTS="$HADOOP_OPTS $HADOOP_SECONDARYNAMENODE_OPTS"
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elif [ "$COMMAND" = "datanode" ] ; then
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CLASS='org.apache.hadoop.hdfs.server.datanode.DataNode'
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HADOOP_OPTS="$HADOOP_OPTS $HADOOP_DATANODE_OPTS"
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elif [ "$COMMAND" = "dfs" ] ; then
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CLASS=org.apache.hadoop.fs.FsShell
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HADOOP_OPTS="$HADOOP_OPTS $HADOOP_CLIENT_OPTS"
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elif [ "$COMMAND" = "dfsadmin" ] ; then
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CLASS=org.apache.hadoop.hdfs.tools.DFSAdmin
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HADOOP_OPTS="$HADOOP_OPTS $HADOOP_CLIENT_OPTS"
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elif [ "$COMMAND" = "fsck" ] ; then
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CLASS=org.apache.hadoop.hdfs.tools.DFSck
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HADOOP_OPTS="$HADOOP_OPTS $HADOOP_CLIENT_OPTS"
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elif [ "$COMMAND" = "balancer" ] ; then
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CLASS=org.apache.hadoop.hdfs.server.balancer.Balancer
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HADOOP_OPTS="$HADOOP_OPTS $HADOOP_BALANCER_OPTS"
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elif [ "$COMMAND" = "jmxget" ] ; then
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CLASS=org.apache.hadoop.hdfs.tools.JMXGet
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elif [ "$COMMAND" = "oiv" ] ; then
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CLASS=org.apache.hadoop.hdfs.tools.offlineImageViewer.OfflineImageViewer
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else
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echo $COMMAND - invalid command
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print_usage
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exit
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fi
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# for developers, add hdfs classes to CLASSPATH
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if [ -d "$HADOOP_HDFS_HOME/build/classes" ]; then
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CLASSPATH=${CLASSPATH}:$HADOOP_HDFS_HOME/build/classes
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fi
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if [ -d "$HADOOP_HDFS_HOME/build/webapps" ]; then
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CLASSPATH=${CLASSPATH}:$HADOOP_HDFS_HOME/build
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fi
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if [ -d "$HADOOP_HDFS_HOME/build/test/classes" ]; then
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CLASSPATH=${CLASSPATH}:$HADOOP_HDFS_HOME/build/test/classes
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fi
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if [ -d "$HADOOP_HDFS_HOME/build/tools" ]; then
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CLASSPATH=${CLASSPATH}:$HADOOP_HDFS_HOME/build/tools
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fi
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# for releases, add core hdfs jar & webapps to CLASSPATH
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if [ -d "$HADOOP_HDFS_HOME/webapps" ]; then
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CLASSPATH=${CLASSPATH}:$HADOOP_HDFS_HOME
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fi
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for f in $HADOOP_HDFS_HOME/hadoop-*-hdfs.jar; do
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CLASSPATH=${CLASSPATH}:$f;
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done
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# add libs to CLASSPATH
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for f in $HADOOP_HDFS_HOME/lib/*.jar; do
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CLASSPATH=${CLASSPATH}:$f;
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done
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if $cygwin; then
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CLASSPATH=`cygpath -p -w "$CLASSPATH"`
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fi
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exec "$JAVA" $JAVA_HEAP_MAX $HADOOP_OPTS -classpath "$CLASSPATH" $CLASS "$@"
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