c94ff0f240
git-svn-id: https://svn.apache.org/repos/asf/hadoop/core/branches/HADOOP-4687/core@776175 13f79535-47bb-0310-9956-ffa450edef68
249 lines
7.0 KiB
Bash
249 lines
7.0 KiB
Bash
# 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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# included in all the hadoop scripts with source command
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# should not be executable directly
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# also should not be passed any arguments, since we need original $*
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# resolve links - $0 may be a softlink
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this="$0"
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while [ -h "$this" ]; do
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ls=`ls -ld "$this"`
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link=`expr "$ls" : '.*-> \(.*\)$'`
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if expr "$link" : '.*/.*' > /dev/null; then
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this="$link"
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else
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this=`dirname "$this"`/"$link"
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fi
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done
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# convert relative path to absolute path
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bin=`dirname "$this"`
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script=`basename "$this"`
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bin=`cd "$bin"; pwd`
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this="$bin/$script"
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# the root of the Hadoop installation
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#TODO: change the env variable when dir structure is changed
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export HADOOP_HOME=`dirname "$this"`/..
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export HADOOP_CORE_HOME="${HADOOP_HOME}"
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#export HADOOP_HOME=`dirname "$this"`/../..
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#export HADOOP_CORE_HOME="${HADOOP_CORE_HOME:-`dirname "$this"`/..}"
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#check to see if the conf dir is given as an optional argument
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if [ $# -gt 1 ]
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then
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if [ "--config" = "$1" ]
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then
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shift
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confdir=$1
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shift
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HADOOP_CONF_DIR=$confdir
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fi
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fi
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# Allow alternate conf dir location.
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export HADOOP_CONF_DIR="${HADOOP_CONF_DIR:-$HADOOP_HOME/conf}"
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#check to see it is specified whether to use the slaves or the
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# masters file
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if [ $# -gt 1 ]
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then
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if [ "--hosts" = "$1" ]
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then
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shift
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slavesfile=$1
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shift
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export HADOOP_SLAVES="${HADOOP_CONF_DIR}/$slavesfile"
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fi
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fi
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cygwin=false
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case "`uname`" in
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CYGWIN*) cygwin=true;;
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esac
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if [ -f "${HADOOP_CONF_DIR}/hadoop-env.sh" ]; then
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. "${HADOOP_CONF_DIR}/hadoop-env.sh"
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fi
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# some Java parameters
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if [ "$JAVA_HOME" != "" ]; then
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#echo "run java in $JAVA_HOME"
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JAVA_HOME=$JAVA_HOME
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fi
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if [ "$JAVA_HOME" = "" ]; then
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echo "Error: JAVA_HOME is not set."
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exit 1
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fi
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JAVA=$JAVA_HOME/bin/java
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JAVA_HEAP_MAX=-Xmx1000m
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# check envvars which might override default args
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if [ "$HADOOP_HEAPSIZE" != "" ]; then
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#echo "run with heapsize $HADOOP_HEAPSIZE"
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JAVA_HEAP_MAX="-Xmx""$HADOOP_HEAPSIZE""m"
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#echo $JAVA_HEAP_MAX
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fi
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# CLASSPATH initially contains $HADOOP_CONF_DIR
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CLASSPATH="${HADOOP_CONF_DIR}"
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CLASSPATH=${CLASSPATH}:$JAVA_HOME/lib/tools.jar
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# for developers, add Hadoop classes to CLASSPATH
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if [ -d "$HADOOP_CORE_HOME/build/classes" ]; then
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CLASSPATH=${CLASSPATH}:$HADOOP_CORE_HOME/build/classes
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fi
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if [ -d "$HADOOP_CORE_HOME/build/webapps" ]; then
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CLASSPATH=${CLASSPATH}:$HADOOP_CORE_HOME/build
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fi
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if [ -d "$HADOOP_CORE_HOME/build/test/classes" ]; then
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CLASSPATH=${CLASSPATH}:$HADOOP_CORE_HOME/build/test/classes
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fi
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if [ -d "$HADOOP_CORE_HOME/build/tools" ]; then
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CLASSPATH=${CLASSPATH}:$HADOOP_CORE_HOME/build/tools
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fi
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# so that filenames w/ spaces are handled correctly in loops below
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IFS=
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# for releases, add core hadoop jar & webapps to CLASSPATH
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if [ -d "$HADOOP_CORE_HOME/webapps" ]; then
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CLASSPATH=${CLASSPATH}:$HADOOP_CORE_HOME
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fi
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for f in $HADOOP_CORE_HOME/hadoop-*-core.jar; do
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CLASSPATH=${CLASSPATH}:$f;
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done
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# add libs to CLASSPATH
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for f in $HADOOP_CORE_HOME/lib/*.jar; do
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CLASSPATH=${CLASSPATH}:$f;
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done
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if [ -d "$HADOOP_CORE_HOME/build/ivy/lib/Hadoop/common" ]; then
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for f in $HADOOP_CORE_HOME/build/ivy/lib/Hadoop/common/*.jar; do
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CLASSPATH=${CLASSPATH}:$f;
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done
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fi
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for f in $HADOOP_CORE_HOME/lib/jsp-2.1/*.jar; do
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CLASSPATH=${CLASSPATH}:$f;
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done
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for f in $HADOOP_CORE_HOME/hadoop-*-tools.jar; do
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TOOL_PATH=${TOOL_PATH}:$f;
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done
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for f in $HADOOP_CORE_HOME/build/hadoop-*-tools.jar; do
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TOOL_PATH=${TOOL_PATH}:$f;
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done
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# add user-specified CLASSPATH last
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if [ "$HADOOP_CLASSPATH" != "" ]; then
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CLASSPATH=${CLASSPATH}:${HADOOP_CLASSPATH}
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fi
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# default log directory & file
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if [ "$HADOOP_LOG_DIR" = "" ]; then
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HADOOP_LOG_DIR="$HADOOP_HOME/logs"
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fi
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if [ "$HADOOP_LOGFILE" = "" ]; then
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HADOOP_LOGFILE='hadoop.log'
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fi
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# default policy file for service-level authorization
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if [ "$HADOOP_POLICYFILE" = "" ]; then
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HADOOP_POLICYFILE="hadoop-policy.xml"
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fi
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# restore ordinary behaviour
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unset IFS
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# cygwin path translation
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if $cygwin; then
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HADOOP_CORE_HOME=`cygpath -w "$HADOOP_CORE_HOME"`
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HADOOP_LOG_DIR=`cygpath -w "$HADOOP_LOG_DIR"`
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TOOL_PATH=`cygpath -p -w "$TOOL_PATH"`
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fi
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# setup 'java.library.path' for native-hadoop code if necessary
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JAVA_LIBRARY_PATH=''
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if [ -d "${HADOOP_CORE_HOME}/build/native" -o -d "${HADOOP_CORE_HOME}/lib/native" ]; then
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JAVA_PLATFORM=`CLASSPATH=${CLASSPATH} ${JAVA} -Xmx32m org.apache.hadoop.util.PlatformName | sed -e "s/ /_/g"`
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if [ -d "$HADOOP_CORE_HOME/build/native" ]; then
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JAVA_LIBRARY_PATH=${HADOOP_CORE_HOME}/build/native/${JAVA_PLATFORM}/lib
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fi
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if [ -d "${HADOOP_CORE_HOME}/lib/native" ]; then
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if [ "x$JAVA_LIBRARY_PATH" != "x" ]; then
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JAVA_LIBRARY_PATH=${JAVA_LIBRARY_PATH}:${HADOOP_CORE_HOME}/lib/native/${JAVA_PLATFORM}
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else
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JAVA_LIBRARY_PATH=${HADOOP_CORE_HOME}/lib/native/${JAVA_PLATFORM}
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fi
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fi
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fi
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# cygwin path translation
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if $cygwin; then
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JAVA_LIBRARY_PATH=`cygpath -p "$JAVA_LIBRARY_PATH"`
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fi
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HADOOP_OPTS="$HADOOP_OPTS -Dhadoop.log.dir=$HADOOP_LOG_DIR"
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HADOOP_OPTS="$HADOOP_OPTS -Dhadoop.log.file=$HADOOP_LOGFILE"
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HADOOP_OPTS="$HADOOP_OPTS -Dhadoop.home.dir=$HADOOP_CORE_HOME"
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HADOOP_OPTS="$HADOOP_OPTS -Dhadoop.id.str=$HADOOP_IDENT_STRING"
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HADOOP_OPTS="$HADOOP_OPTS -Dhadoop.root.logger=${HADOOP_ROOT_LOGGER:-INFO,console}"
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if [ "x$JAVA_LIBRARY_PATH" != "x" ]; then
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HADOOP_OPTS="$HADOOP_OPTS -Djava.library.path=$JAVA_LIBRARY_PATH"
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fi
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HADOOP_OPTS="$HADOOP_OPTS -Dhadoop.policy.file=$HADOOP_POLICYFILE"
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# put hdfs in classpath if present
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if [ "$HADOOP_HDFS_HOME" = "" ]; then
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if [ -d "${HADOOP_HOME}/hdfs" ]; then
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HADOOP_HDFS_HOME=$HADOOP_HOME/hdfs
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echo Found HDFS installed at $HADOOP_HDFS_HOME
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fi
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fi
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if [ -d "${HADOOP_HDFS_HOME}" ]; then
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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}:$f;
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done
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if [ -d "$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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fi
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# set mapred home if mapred is present
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if [ "$HADOOP_MAPRED_HOME" = "" ]; then
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if [ -d "${HADOOP_HOME}/mapred" ]; then
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HADOOP_MAPRED_HOME=$HADOOP_HOME/mapred
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echo Found MAPRED installed at $HADOOP_MAPRED_HOME
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fi
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fi
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# TODO:remove this when dir structure is changed
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export HADOOP_HDFS_HOME=$HADOOP_HOME
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export HADOOP_MAPRED_HOME=$HADOOP_HOME
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