org.apache.spark.deploy.mesos.MesosClusterDispatcherArguments.scala Maven / Gradle / Ivy
/*
* 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.mesos
import scala.annotation.tailrec
import scala.collection.mutable
import org.apache.spark.SparkConf
import org.apache.spark.deploy.SparkSubmitUtils
import org.apache.spark.util.{IntParam, Utils}
private[mesos] class MesosClusterDispatcherArguments(args: Array[String], conf: SparkConf) {
var host: String = Utils.localHostName()
var port: Int = 7077
var name: String = "Spark Cluster"
var webUiPort: Int = 8081
var verbose: Boolean = false
var masterUrl: String = _
var zookeeperUrl: Option[String] = None
var propertiesFile: String = _
val confProperties: mutable.HashMap[String, String] =
new mutable.HashMap[String, String]()
parse(args.toList)
// scalastyle:on println
propertiesFile = Utils.loadDefaultSparkProperties(conf, propertiesFile)
Utils.updateSparkConfigFromProperties(conf, confProperties)
// scalastyle:off println
if (verbose) {
MesosClusterDispatcher.printStream.println(s"Using host: $host")
MesosClusterDispatcher.printStream.println(s"Using port: $port")
MesosClusterDispatcher.printStream.println(s"Using webUiPort: $webUiPort")
MesosClusterDispatcher.printStream.println(s"Framework Name: $name")
Option(propertiesFile).foreach { file =>
MesosClusterDispatcher.printStream.println(s"Using properties file: $file")
}
MesosClusterDispatcher.printStream.println(s"Spark Config properties set:")
conf.getAll.foreach(println)
}
@tailrec
private def parse(args: List[String]): Unit = args match {
case ("--host" | "-h") :: value :: tail =>
Utils.checkHost(value)
host = value
parse(tail)
case ("--port" | "-p") :: IntParam(value) :: tail =>
port = value
parse(tail)
case ("--webui-port") :: IntParam(value) :: tail =>
webUiPort = value
parse(tail)
case ("--zk" | "-z") :: value :: tail =>
zookeeperUrl = Some(value)
parse(tail)
case ("--master" | "-m") :: value :: tail =>
if (!value.startsWith("mesos://")) {
// scalastyle:off println
MesosClusterDispatcher.printStream
.println("Cluster dispatcher only supports mesos (uri begins with mesos://)")
// scalastyle:on println
MesosClusterDispatcher.exitFn(1)
}
masterUrl = value.stripPrefix("mesos://")
parse(tail)
case ("--name") :: value :: tail =>
name = value
parse(tail)
case ("--properties-file") :: value :: tail =>
propertiesFile = value
parse(tail)
case ("--conf") :: value :: tail =>
val (k, v) = SparkSubmitUtils.parseSparkConfProperty(value)
confProperties(k) = v
parse(tail)
case ("--help") :: tail =>
printUsageAndExit(0)
case ("--verbose") :: tail =>
verbose = true
parse(tail)
case Nil =>
if (Option(masterUrl).isEmpty) {
// scalastyle:off println
MesosClusterDispatcher.printStream.println("--master is required")
// scalastyle:on println
printUsageAndExit(1)
}
case value =>
// scalastyle:off println
MesosClusterDispatcher.printStream.println(s"Unrecognized option: '${value.head}'")
// scalastyle:on println
printUsageAndExit(1)
}
private def printUsageAndExit(exitCode: Int): Unit = {
val outStream = MesosClusterDispatcher.printStream
// scalastyle:off println
outStream.println(
"Usage: MesosClusterDispatcher [options]\n" +
"\n" +
"Options:\n" +
" -h HOST, --host HOST Hostname to listen on\n" +
" --help Show this help message and exit.\n" +
" --verbose, Print additional debug output.\n" +
" -p PORT, --port PORT Port to listen on (default: 7077)\n" +
" --webui-port WEBUI_PORT WebUI Port to listen on (default: 8081)\n" +
" --name NAME Framework name to show in Mesos UI\n" +
" -m --master MASTER URI for connecting to Mesos master\n" +
" -z --zk ZOOKEEPER Comma delimited URLs for connecting to \n" +
" Zookeeper for persistence\n" +
" --properties-file FILE Path to a custom Spark properties file.\n" +
" Default is conf/spark-defaults.conf \n" +
" --conf PROP=VALUE Arbitrary Spark configuration property.\n" +
" Takes precedence over defined properties in properties-file.")
// scalastyle:on println
MesosClusterDispatcher.exitFn(exitCode)
}
}