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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.launcher
import scala.collection.JavaConverters._
import scala.collection.mutable.ListBuffer
/**
* Exposes methods from the launcher library that are used by the YARN backend.
*/
private[spark] object YarnCommandBuilderUtils {
def quoteForBatchScript(arg: String): String = {
CommandBuilderUtils.quoteForBatchScript(arg)
}
/**
* Adds the perm gen configuration to the list of java options if needed and not yet added.
*
* Note that this method adds the option based on the local JVM version; if the node where
* the container is running has a different Java version, there's a risk that the option will
* not be added (e.g. if the AM is running Java 8 but the container's node is set up to use
* Java 7).
*/
def addPermGenSizeOpt(args: ListBuffer[String]): Unit = {
CommandBuilderUtils.addPermGenSizeOpt(args.asJava)
}
}
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