env.src

# Name:    env.src
# Purpose: Set Big Data environment for OS X and Linux
# Author:  Nick Rozanski
# Syntax:  source env.src
# Notes:   the Windows version is env.cmd
#          you must 'source' this file, not run it

export uname="$(uname | tr '[:upper:]' '[:lower:]')"
# [ -n "$(echo $uname | grep cygwin)" ] && uname=cygwin
echo Operating system is $uname.

if [ -z "$JAVA_HOME" ]; then
    if [ -f /usr/libexec/java_home ]; then
        # Mac OS X has this
        export JAVA_HOME="$(/usr/libexec/java_home)"
    else
        if [ "$uname" == linux ]; then
            export JAVA_HOME="$(dirname $(dirname $(readlink -f /etc/alternatives/java)))"
        elif [ "$uname" == darwin ]; then
            export JAVA_HOME=/Library/Java/JavaVirtualMachines/Current.jdk/Contents/Home
        # elif [ "$uname" == cygwin ]; then
            # Windows / Cygwin - does not work
            # [ -z "$JAVA_HOME" ] && echo ERROR: Please set JAVA_HOME in Control Panel
        else
            echo Warning: unsupported operating system $uname.
        fi
    fi
fi

echo JAVA_HOME is $JAVA_HOME.
[ ! -f $JAVA_HOME/bin/java ] && echo "WARNING: JAVA_HOME seems to be incorrect ($JAVA_HOME)"

export SPA_2016=$HOME/SPA_2016
echo SPA_2016 is $SPA_2016

# Hadoop configuration
export HADOOP_PREFIX=$SPA_2016/hadoop
export HADOOP_CONF_DIR="$HADOOP_PREFIX/etc/hadoop"
export HADOOP_HOME="$HADOOP_PREFIX"
export HADOOP_COMMON_HOME="$HADOOP_PREFIX"
export HADOOP_HDFS_HOME="$HADOOP_PREFIX"
export HADOOP_YARN_HOME="$HADOOP_PREFIX"
# export HADOOP_COMMON_LIB_NATIVE_DIR=$HADOOP_HOME/lib/native
export HADOOP_OPTS="-Djava.library.path=$HADOOP_HOME/lib"

# Spark configuration
export SPARK_HOME=$SPA_2016/spark

# Hive configuration
export HIVE_HOME=$SPA_2016/hive