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/*
* 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.
*/
package org.apache.spark.deploy.worker
import akka.actor._
import org.apache.spark.SparkConf
import org.apache.spark.util.{AkkaUtils, Utils}
/**
* Utility object for launching driver programs such that they share fate with the Worker process.
*/
object DriverWrapper {
def main(args: Array[String]) {
args.toList match {
case workerUrl :: mainClass :: extraArgs =>
val (actorSystem, _) = AkkaUtils.createActorSystem("Driver",
Utils.localHostName(), 0, false, new SparkConf())
actorSystem.actorOf(Props(classOf[WorkerWatcher], workerUrl), name = "workerWatcher")
// Delegate to supplied main class
val clazz = Class.forName(args(1))
val mainMethod = clazz.getMethod("main", classOf[Array[String]])
mainMethod.invoke(null, extraArgs.toArray[String])
actorSystem.shutdown()
case _ =>
System.err.println("Usage: DriverWrapper <workerUrl> <driverMainClass> [options]")
System.exit(-1)
}
}
}
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