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#!/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.
#
# Starts the master on the machine this script is executed on.
bin=`dirname "$0"`
bin=`cd "$bin"; pwd`
. "$bin/spark-config.sh"
if [ -f "${SPARK_CONF_DIR}/spark-env.sh" ]; then
. "${SPARK_CONF_DIR}/spark-env.sh"
fi
if [ "$SPARK_MASTER_PORT" = "" ]; then
SPARK_MASTER_PORT=7077
fi
if [ "$SPARK_MASTER_IP" = "" ]; then
SPARK_MASTER_IP=`hostname`
fi
if [ "$SPARK_MASTER_WEBUI_PORT" = "" ]; then
SPARK_MASTER_WEBUI_PORT=8080
fi
# Set SPARK_PUBLIC_DNS so the master report the correct webUI address to the slaves
if [ "$SPARK_PUBLIC_DNS" = "" ]; then
# If we appear to be running on EC2, use the public address by default:
# NOTE: ec2-metadata is installed on Amazon Linux AMI. Check based on that and hostname
if command -v ec2-metadata > /dev/null || [[ `hostname` == *ec2.internal ]]; then
export SPARK_PUBLIC_DNS=`wget -q -O - http://instance-data.ec2.internal/latest/meta-data/public-hostname`
fi
fi
"$bin"/spark-daemon.sh start spark.deploy.master.Master 1 --ip $SPARK_MASTER_IP --port $SPARK_MASTER_PORT --webui-port $SPARK_MASTER_WEBUI_PORT
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