| #!/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. |
| # |
| |
| # Usage: start-slave.sh <worker#> <master-spark-URL> |
| # where <master-spark-URL> is like "spark://localhost:7077" |
| |
| bin=`dirname "$0"` |
| bin=`cd "$bin"; pwd` |
| |
| # Set SPARK_PUBLIC_DNS so slaves can be linked in master web UI |
| 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 org.apache.spark.deploy.worker.Worker "$@" |