rabbah commented on a change in pull request #4129: Adding YARNContainerFactory. This allows OpenWhisk to run actions on Apache Hadoop clusters. URL: https://github.com/apache/incubator-openwhisk/pull/4129#discussion_r257477541
########## File path: common/scala/src/main/scala/org/apache/openwhisk/core/yarn/YARNContainerFactory.scala ########## @@ -0,0 +1,243 @@ +/* + * 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.openwhisk.core.yarn + +import akka.actor.{ActorRef, ActorSystem, Props} +import akka.http.scaladsl.model.{HttpMethods, StatusCodes} +import akka.pattern.ask +import akka.util.Timeout +import org.apache.openwhisk.common.{Logging, TransactionId} +import org.apache.openwhisk.core.containerpool._ +import org.apache.openwhisk.core.entity.ExecManifest.ImageName +import org.apache.openwhisk.core.entity.{ByteSize, ExecManifest, InvokerInstanceId} +import org.apache.openwhisk.core.yarn.YARNComponentActor.CreateContainerAsync +import org.apache.openwhisk.core.{ConfigKeys, WhiskConfig} +import pureconfig.loadConfigOrThrow +import spray.json._ + +import scala.collection.immutable.HashMap +import scala.concurrent.{blocking, ExecutionContext, Future} +import scala.concurrent.duration._ +import YARNJsonProtocol._ +import akka.stream.ActorMaterializer + +case class YARNConfig(masterUrl: String, + yarnLinkLogMessage: Boolean, + serviceName: String, + authType: String, + kerberosPrincipal: String, + kerberosKeytab: String, + queue: String, + memory: String, + cpus: Int) + +object YARNContainerFactoryProvider extends ContainerFactoryProvider { + override def instance(actorSystem: ActorSystem, + logging: Logging, + config: WhiskConfig, + instance: InvokerInstanceId, + parameters: Map[String, Set[String]]): ContainerFactory = + new YARNContainerFactory(actorSystem, logging, config, instance, parameters) +} +class YARNContainerFactory(actorSystem: ActorSystem, + logging: Logging, + config: WhiskConfig, + instance: InvokerInstanceId, + parameters: Map[String, Set[String]], + containerArgs: ContainerArgsConfig = + loadConfigOrThrow[ContainerArgsConfig](ConfigKeys.containerArgs), + yarnConfig: YARNConfig = loadConfigOrThrow[YARNConfig](ConfigKeys.yarn)) + extends ContainerFactory { + + val images: Set[ImageName] = ExecManifest.runtimesManifest.runtimes.flatMap(a => a.versions.map(b => b.image)) + + //One actor of each type per image for parallelism + private var yarnComponentActors: Map[ImageName, ActorRef] = HashMap[ImageName, ActorRef]() + private var YARNContainerInfoActors: Map[ImageName, ActorRef] = HashMap[ImageName, ActorRef]() + + val serviceStartTimeoutMS = 60000 + val retryWaitMS = 1000 + val runCommand = "" + val version = "1.0.0" + val description = "OpenWhisk Action Service" + + //Allows for invoker HA + val serviceName: String = yarnConfig.serviceName + "-" + instance.toInt + + val containerStartTimeoutMS = 60000 + + implicit val as: ActorSystem = actorSystem + implicit val materializer: ActorMaterializer = ActorMaterializer() + implicit val ec: ExecutionContext = actorSystem.dispatcher + + override def init(): Unit = { + yarnComponentActors = images + .map( + i => + ( + i, + actorSystem.actorOf( + Props(new YARNComponentActor(actorSystem, logging, yarnConfig, serviceName, i)), + name = s"YARNComponentActor-${i.name}"))) + .toMap + YARNContainerInfoActors = images + .map( + i => + ( + i, + actorSystem.actorOf( + Props(new YARNContainerInfoActor(actorSystem, logging, yarnConfig, serviceName, i)), + name = s"YARNComponentInfoActor-${i.name}"))) + .toMap + blocking { + implicit val timeout: Timeout = Timeout(serviceStartTimeoutMS.milliseconds) + + //Remove service if it already exists + val serviceDef = + YARNRESTUtil.downloadServiceDefinition(yarnConfig.authType, serviceName, yarnConfig.masterUrl)(logging) + + if (serviceDef != null) + removeService() + + createService() + } + } + override def createContainer( + unusedtid: TransactionId, + unusedname: String, + actionImage: ExecManifest.ImageName, + unuseduserProvidedImage: Boolean, + unusedmemory: ByteSize, + unusedcpuShares: Int)(implicit config: WhiskConfig, logging: Logging): Future[Container] = { + implicit val timeout: Timeout = Timeout(containerStartTimeoutMS.milliseconds) + + //First send the create command to YARN, then with a different actor, wait for the container to be ready + ask(yarnComponentActors(actionImage), CreateContainerAsync).flatMap(_ => + ask(YARNContainerInfoActors(actionImage), GetContainerInfo(yarnComponentActors(actionImage))).mapTo[Container]) + } + override def cleanup(): Unit = { + removeService() + yarnComponentActors.foreach({ case (k, v) => actorSystem.stop(v) }) + YARNContainerInfoActors.foreach({ case (k, v) => actorSystem.stop(v) }) + } + + def createService(): Unit = { + + logging.info(this, "Creating Service with images: " + images.map(i => i.publicImageName).mkString(", ")) + + val componentList = images + .map( + i => + ComponentDefinition( + i.name.replace('.', '-'), //name must be [a-z][a-z0-9-]* + Some(0), //start with zero containers + Some(runCommand), + Option.empty, + Some(ArtifactDefinition(i.publicImageName, "DOCKER")), + Some(ResourceDefinition(yarnConfig.cpus, yarnConfig.memory)), + Some(ConfigurationDefinition(Map(("YARN_CONTAINER_RUNTIME_DOCKER_RUN_OVERRIDE_DISABLE", "true")))), + List[String]())) + .toList + + //Add kerberos def if necessary + var kerberosDef: Option[KerberosPrincipalDefinition] = None + if (yarnConfig.authType.equals(YARNRESTUtil.KERBEROSAUTH)) + kerberosDef = Some( + KerberosPrincipalDefinition(Some(yarnConfig.kerberosPrincipal), Some(yarnConfig.kerberosKeytab))) + + val service = ServiceDefinition( + Some(serviceName), + Some(version), + Some(description), + Some("STABLE"), + Some(yarnConfig.queue), + componentList, + kerberosDef) + + //Submit service + val response = + YARNRESTUtil.submitRequestWithAuth( + yarnConfig.authType, + HttpMethods.POST, + s"${yarnConfig.masterUrl}/app/v1/services", + service.toJson.compactPrint) + + //Handle response + response match { + case httpresponse(StatusCodes.OK, content) => + logging.info(this, s"Service submitted. Response: $content") + + case httpresponse(StatusCodes.Accepted, content) => + logging.info(this, s"Service submitted. Response: $content") + + case httpresponse(_, _) => YARNRESTUtil.handleYARNRESTError(logging) + } + + //Wait for service start (up to serviceStartTimeoutMS milliseconds) + var started = false + var retryCount = 0 + val maxRetryCount = serviceStartTimeoutMS / retryWaitMS + while (!started && retryCount < maxRetryCount) { + val serviceDef = + YARNRESTUtil.downloadServiceDefinition(yarnConfig.authType, serviceName, yarnConfig.masterUrl)(logging) + + if (serviceDef == null) { + logging.info(this, "Service not found yet") + Thread.sleep(retryWaitMS) + } else { + serviceDef.state.getOrElse(None) match { + case "STABLE" | "STARTED" => + logging.info(this, "YARN service achieved stable state") + started = true + + case state => + logging.info( + this, + s"YARN service is not in stable state yet ($retryCount/$maxRetryCount). Current state: $state") + Thread.sleep(retryWaitMS) + } + } + retryCount += 1 + } + if (!started) + throw new Exception(s"After ${serviceStartTimeoutMS}ms YARN service did not achieve stable state") + + } + def removeService(): Unit = { Review comment: spacing. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services
