HADOOP_CONF_DIR=/etc/hadoop
HADOOP_HOME=/usr/share/java/hadoop

if [ -e $HADOOP_CONF_DIR/hadoop-env.sh ]; then
  source $HADOOP_CONF_DIR/hadoop-env.sh
fi

if [ "x$JAVA_HOME" = "x" ]; then
JAVA_HOME=/usr/java/default
fi
# Often, libjvm gets hidden off the path.
export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$JAVA_HOME/jre/lib/i386:$JAVA_HOME/jre/lib/i386/server:$JAVA_HOME/jre/lib/amd64:$JAVA_HOME/jre/lib/amd64/server

# The following is the CLASSPATH building logic from the hadoop script:
# CLASSPATH initially contains $HADOOP_CONF_DIR
CLASSPATH="${HADOOP_CONF_DIR}:${HADOOP_HOME}"
CLASSPATH=${CLASSPATH}:$JAVA_HOME/lib/tools.jar

# so that filenames w/ spaces are handled correctly in loops below
ORIG_IFS=$IFS
IFS=

# add user-specified CLASSPATH last
if [ "$HADOOP_CLASSPATH" != "" ]; then
  CLASSPATH=${CLASSPATH}:${HADOOP_CLASSPATH}
fi

IFS=$ORIG_IFS

export CLASSPATH=$CLASSPATH