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Diffstat (limited to 'bin/run-example')
-rwxr-xr-x | bin/run-example | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/bin/run-example b/bin/run-example new file mode 100755 index 0000000000..2e9d51440b --- /dev/null +++ b/bin/run-example @@ -0,0 +1,86 @@ +#!/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. +# + +cygwin=false +case "`uname`" in + CYGWIN*) cygwin=true;; +esac + +SCALA_VERSION=2.10 + +# Figure out where the Scala framework is installed +FWDIR="$(cd `dirname $0`/..; pwd)" + +# Export this as SPARK_HOME +export SPARK_HOME="$FWDIR" + +# Load environment variables from conf/spark-env.sh, if it exists +if [ -e "$FWDIR/conf/spark-env.sh" ] ; then + . $FWDIR/conf/spark-env.sh +fi + +if [ -z "$1" ]; then + echo "Usage: run-example <example-class> [<args>]" >&2 + exit 1 +fi + +# Figure out the JAR file that our examples were packaged into. This includes a bit of a hack +# to avoid the -sources and -doc packages that are built by publish-local. +EXAMPLES_DIR="$FWDIR"/examples +SPARK_EXAMPLES_JAR="" +if [ -e "$EXAMPLES_DIR"/target/scala-$SCALA_VERSION/*assembly*[0-9Tg].jar ]; then + export SPARK_EXAMPLES_JAR=`ls "$EXAMPLES_DIR"/target/scala-$SCALA_VERSION/*assembly*[0-9Tg].jar` +fi +if [[ -z $SPARK_EXAMPLES_JAR ]]; then + echo "Failed to find Spark examples assembly in $FWDIR/examples/target" >&2 + echo "You need to build Spark with sbt/sbt assembly before running this program" >&2 + exit 1 +fi + + +# Since the examples JAR ideally shouldn't include spark-core (that dependency should be +# "provided"), also add our standard Spark classpath, built using compute-classpath.sh. +CLASSPATH=`$FWDIR/bin/compute-classpath.sh` +CLASSPATH="$SPARK_EXAMPLES_JAR:$CLASSPATH" + +if $cygwin; then + CLASSPATH=`cygpath -wp $CLASSPATH` + export SPARK_EXAMPLES_JAR=`cygpath -w $SPARK_EXAMPLES_JAR` +fi + +# Find java binary +if [ -n "${JAVA_HOME}" ]; then + RUNNER="${JAVA_HOME}/bin/java" +else + if [ `command -v java` ]; then + RUNNER="java" + else + echo "JAVA_HOME is not set" >&2 + exit 1 + fi +fi + +if [ "$SPARK_PRINT_LAUNCH_COMMAND" == "1" ]; then + echo -n "Spark Command: " + echo "$RUNNER" -cp "$CLASSPATH" "$@" + echo "========================================" + echo +fi + +exec "$RUNNER" -cp "$CLASSPATH" "$@" |