| /* |
| * 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.gearpump.cluster.worker |
| |
| import java.io.File |
| import scala.sys.process.Process |
| |
| import com.typesafe.config.Config |
| import org.slf4j.{Logger, LoggerFactory} |
| |
| import org.apache.gearpump.cluster.scheduler.Resource |
| import org.apache.gearpump.util.{ProcessLogRedirector, RichProcess} |
| |
| /** |
| * CGroupProcessLauncher is used to launch a process for Executor with CGroup. |
| * For more details, please refer to |
| * http://gearpump.apache.org/releases/latest/deployment-resource-isolation.html |
| */ |
| class CGroupProcessLauncher(val config: Config) extends ExecutorProcessLauncher { |
| private val APP_MASTER = -1 |
| private val cgroupManager: Option[CGroupManager] = CGroupManager.getInstance(config) |
| private val LOG: Logger = LoggerFactory.getLogger(getClass) |
| |
| override def cleanProcess(appId: Int, executorId: Int): Unit = { |
| if (executorId != APP_MASTER) { |
| cgroupManager.foreach(_.shutDownExecutor(appId, executorId)) |
| } |
| } |
| |
| override def createProcess( |
| appId: Int, executorId: Int, resource: Resource, appConfig: Config, options: Array[String], |
| classPath: Array[String], mainClass: String, arguments: Array[String]): RichProcess = { |
| val cgroupCommand = if (executorId != APP_MASTER) { |
| cgroupManager.map(_.startNewExecutor(appConfig, resource.slots, appId, |
| executorId)).getOrElse(List.empty) |
| } else List.empty |
| LOG.info(s"Launch executor $executorId with CGroup ${cgroupCommand.mkString(" ")}, " + |
| s"classpath: ${classPath.mkString(File.pathSeparator)}") |
| |
| val java = System.getProperty("java.home") + "/bin/java" |
| val command = cgroupCommand ++ List(java) ++ options ++ List("-cp", classPath |
| .mkString(File.pathSeparator), mainClass) ++ arguments |
| LOG.info(s"Starting executor process java $mainClass ${arguments.mkString(" ")}; " + |
| s"options: ${options.mkString(" ")}") |
| val logger = new ProcessLogRedirector() |
| val process = Process(command).run(logger) |
| new RichProcess(process, logger) |
| } |
| } |