Adding YARNContainerFactory. This allows OpenWhisk to run actions on …

…Apache Hadoop clusters. Rebased and squashed.

common/scala/src/main/resources/application.conf

@@ -267,6 +267,18 @@ whisk {
         }
     }
 
+    yarn {
+        master-url="http://localhost:8088"
+        yarn-link-log-message=true
+        service-name="openwhisk-action-service"
+        auth-type="simple"
+        kerberos-principal=""
+        kerberos-keytab=""
+        queue="default"
+        memory=256
+        cpus=1
+    }
+
     logstore {
         #SplunkLogStore configuration
         #splunk {

common/scala/src/main/scala/org/apache/openwhisk/core/WhiskConfig.scala

@@ -233,6 +233,7 @@ object ConfigKeys {
   val logStoreElasticSearch = s"$logStore.elasticsearch"
 
   val mesos = "whisk.mesos"
+  val yarn = "whisk.yarn"
 
   val containerProxy = "whisk.container-proxy"
   val containerProxyTimeouts = s"$containerProxy.timeouts"

common/scala/src/main/scala/org/apache/openwhisk/core/yarn/YARNContainerFactory.scala

@@ -0,0 +1,91 @@
+/*
+ * 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.{ActorSystem, Props}
+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.{ByteSize, ExecManifest, InvokerInstanceId}
+import org.apache.openwhisk.core.yarn.YARNServiceActor.{CreateContainer, CreateService, RemoveService}
+import org.apache.openwhisk.core.{ConfigKeys, WhiskConfig}
+import pureconfig.loadConfigOrThrow
+
+import scala.concurrent.blocking
+import scala.concurrent.duration._
+import scala.concurrent.{Await, Future}
+
+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(config, actorSystem, logging, parameters)
+}
+class YARNContainerFactory(config: WhiskConfig,
+                           actorSystem: ActorSystem,
+                           logging: Logging,
+                           parameters: Map[String, Set[String]],
+                           containerArgs: ContainerArgsConfig =
+                             loadConfigOrThrow[ContainerArgsConfig](ConfigKeys.containerArgs),
+                           yarnConfig: YARNConfig = loadConfigOrThrow[YARNConfig](ConfigKeys.yarn))
+    extends ContainerFactory {
+
+  private val yarnServiceActor =
+    actorSystem.actorOf(Props(new YARNServiceActor(yarnConfig, logging, actorSystem)), name = "YARNServiceActor")
+
+  val serviceStartTimeoutMS = 60000
+  val containerStartTimeoutMS = 60000
+
+  override def init(): Unit = {
+    blocking {
+      implicit val timeout: Timeout = Timeout(serviceStartTimeoutMS.milliseconds)
+      val future = yarnServiceActor ? CreateService
+      Await.result(future, timeout.duration)
+    }
+  }
+  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)
+    ask(yarnServiceActor, CreateContainer(actionImage)).mapTo[Container]
+  }
+  override def cleanup(): Unit = {
+    yarnServiceActor ! RemoveService
+    implicit val timeout: Timeout = Timeout(serviceStartTimeoutMS.milliseconds)
+    val future = ask(yarnServiceActor, RemoveService)
+    Await.result(future, timeout.duration)
+    actorSystem.stop(yarnServiceActor)
+  }
+}