diff options
Diffstat (limited to 'resource-managers/yarn/src/main/scala/org/apache/spark/scheduler/cluster/YarnClusterManager.scala')
-rw-r--r-- | resource-managers/yarn/src/main/scala/org/apache/spark/scheduler/cluster/YarnClusterManager.scala | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/resource-managers/yarn/src/main/scala/org/apache/spark/scheduler/cluster/YarnClusterManager.scala b/resource-managers/yarn/src/main/scala/org/apache/spark/scheduler/cluster/YarnClusterManager.scala new file mode 100644 index 0000000000..64cd1bd088 --- /dev/null +++ b/resource-managers/yarn/src/main/scala/org/apache/spark/scheduler/cluster/YarnClusterManager.scala @@ -0,0 +1,56 @@ +/* + * 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.scheduler.cluster + +import org.apache.spark.{SparkContext, SparkException} +import org.apache.spark.scheduler.{ExternalClusterManager, SchedulerBackend, TaskScheduler, TaskSchedulerImpl} + +/** + * Cluster Manager for creation of Yarn scheduler and backend + */ +private[spark] class YarnClusterManager extends ExternalClusterManager { + + override def canCreate(masterURL: String): Boolean = { + masterURL == "yarn" + } + + override def createTaskScheduler(sc: SparkContext, masterURL: String): TaskScheduler = { + sc.deployMode match { + case "cluster" => new YarnClusterScheduler(sc) + case "client" => new YarnScheduler(sc) + case _ => throw new SparkException(s"Unknown deploy mode '${sc.deployMode}' for Yarn") + } + } + + override def createSchedulerBackend(sc: SparkContext, + masterURL: String, + scheduler: TaskScheduler): SchedulerBackend = { + sc.deployMode match { + case "cluster" => + new YarnClusterSchedulerBackend(scheduler.asInstanceOf[TaskSchedulerImpl], sc) + case "client" => + new YarnClientSchedulerBackend(scheduler.asInstanceOf[TaskSchedulerImpl], sc) + case _ => + throw new SparkException(s"Unknown deploy mode '${sc.deployMode}' for Yarn") + } + } + + override def initialize(scheduler: TaskScheduler, backend: SchedulerBackend): Unit = { + scheduler.asInstanceOf[TaskSchedulerImpl].initialize(backend) + } +} |