108 lines
3.1 KiB
Bash
Executable file
108 lines
3.1 KiB
Bash
Executable file
#!/usr/bin/env bash
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#
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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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#
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#
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# Shell script for starting the Spark Shell REPL
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# Note that it will set MASTER to spark://${SPARK_MASTER_IP}:${SPARK_MASTER_PORT}
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# if those two env vars are set in spark-env.sh but MASTER is not.
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# Options:
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# -c <cores> Set the number of cores for REPL to use
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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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# Enter posix mode for bash
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set -o posix
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FWDIR="$(cd `dirname $0`/..; pwd)"
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for o in "$@"; do
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if [ "$1" = "-c" -o "$1" = "--cores" ]; then
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shift
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if [ -n "$1" ]; then
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OPTIONS="-Dspark.cores.max=$1"
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shift
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fi
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fi
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done
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# Set MASTER from spark-env if possible
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DEFAULT_SPARK_MASTER_PORT=7077
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if [ -z "$MASTER" ]; then
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if [ -e "$FWDIR/conf/spark-env.sh" ]; then
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. "$FWDIR/conf/spark-env.sh"
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fi
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if [ "x" != "x$SPARK_MASTER_IP" ]; then
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if [ "y" != "y$SPARK_MASTER_PORT" ]; then
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SPARK_MASTER_PORT="${SPARK_MASTER_PORT}"
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else
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SPARK_MASTER_PORT=$DEFAULT_SPARK_MASTER_PORT
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fi
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export MASTER="spark://${SPARK_MASTER_IP}:${SPARK_MASTER_PORT}"
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fi
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fi
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# Copy restore-TTY-on-exit functions from Scala script so spark-shell exits properly even in
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# binary distribution of Spark where Scala is not installed
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exit_status=127
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saved_stty=""
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# restore stty settings (echo in particular)
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function restoreSttySettings() {
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stty $saved_stty
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saved_stty=""
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}
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function onExit() {
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if [[ "$saved_stty" != "" ]]; then
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restoreSttySettings
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fi
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exit $exit_status
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}
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# to reenable echo if we are interrupted before completing.
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trap onExit INT
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# save terminal settings
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saved_stty=$(stty -g 2>/dev/null)
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# clear on error so we don't later try to restore them
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if [[ ! $? ]]; then
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saved_stty=""
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fi
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if $cygwin; then
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# Workaround for issue involving JLine and Cygwin
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# (see http://sourceforge.net/p/jline/bugs/40/).
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# If you're using the Mintty terminal emulator in Cygwin, may need to set the
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# "Backspace sends ^H" setting in "Keys" section of the Mintty options
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# (see https://github.com/sbt/sbt/issues/562).
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stty -icanon min 1 -echo > /dev/null 2>&1
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$FWDIR/bin/spark-class -Djline.terminal=unix $OPTIONS org.apache.spark.repl.Main "$@"
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stty icanon echo > /dev/null 2>&1
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else
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$FWDIR/bin/spark-class $OPTIONS org.apache.spark.repl.Main "$@"
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fi
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# record the exit status lest it be overwritten:
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# then reenable echo and propagate the code.
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exit_status=$?
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onExit
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