| #!/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. |
| # |
| |
| # |
| # Shell script for starting the Spark Shell REPL |
| # Note that it will set MASTER to spark://${SPARK_MASTER_IP}:${SPARK_MASTER_PORT} |
| # if those two env vars are set in spark-env.sh but MASTER is not. |
| # Options: |
| # -c <cores> Set the number of cores for REPL to use |
| # |
| |
| # Enter posix mode for bash |
| set -o posix |
| |
| FWDIR="`dirname $0`" |
| |
| for o in "$@"; do |
| if [ "$1" = "-c" -o "$1" = "--cores" ]; then |
| shift |
| if [ -n "$1" ]; then |
| OPTIONS="-Dspark.cores.max=$1" |
| shift |
| fi |
| fi |
| done |
| |
| # Set MASTER from spark-env if possible |
| if [ -z "$MASTER" ]; then |
| if [ -e "$FWDIR/conf/spark-env.sh" ]; then |
| . "$FWDIR/conf/spark-env.sh" |
| fi |
| if [[ "x" != "x$SPARK_MASTER_IP" && "y" != "y$SPARK_MASTER_PORT" ]]; then |
| MASTER="spark://${SPARK_MASTER_IP}:${SPARK_MASTER_PORT}" |
| export MASTER |
| fi |
| fi |
| |
| # Copy restore-TTY-on-exit functions from Scala script so spark-shell exits properly even in |
| # binary distribution of Spark where Scala is not installed |
| exit_status=127 |
| saved_stty="" |
| |
| # restore stty settings (echo in particular) |
| function restoreSttySettings() { |
| stty $saved_stty |
| saved_stty="" |
| } |
| |
| function onExit() { |
| if [[ "$saved_stty" != "" ]]; then |
| restoreSttySettings |
| fi |
| exit $exit_status |
| } |
| |
| # to reenable echo if we are interrupted before completing. |
| trap onExit INT |
| |
| # save terminal settings |
| saved_stty=$(stty -g 2>/dev/null) |
| # clear on error so we don't later try to restore them |
| if [[ ! $? ]]; then |
| saved_stty="" |
| fi |
| |
| $FWDIR/spark-class $OPTIONS org.apache.spark.repl.Main "$@" |
| |
| # record the exit status lest it be overwritten: |
| # then reenable echo and propagate the code. |
| exit_status=$? |
| onExit |