forked from alteryx/spark
-
Notifications
You must be signed in to change notification settings - Fork 0
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Retry the submit-application request to multiple nodes (alteryx#69)
* Retry the submit-application request to multiple nodes. * Fix doc style comment * Check node unschedulable, log retry failures
- Loading branch information
Showing
5 changed files
with
117 additions
and
28 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
67 changes: 67 additions & 0 deletions
67
.../core/src/main/scala/org/apache/spark/deploy/rest/kubernetes/MultiServerFeignTarget.scala
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,67 @@ | ||
| /* | ||
| * 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.deploy.rest.kubernetes | ||
|
|
||
| import feign.{Request, RequestTemplate, RetryableException, Retryer, Target} | ||
| import scala.reflect.ClassTag | ||
| import scala.util.Random | ||
|
|
||
| private[kubernetes] class MultiServerFeignTarget[T : ClassTag]( | ||
| private val servers: Seq[String]) extends Target[T] with Retryer { | ||
| require(servers.nonEmpty, "Must provide at least one server URI.") | ||
|
|
||
| private val threadLocalShuffledServers = new ThreadLocal[Seq[String]] { | ||
| override def initialValue(): Seq[String] = Random.shuffle(servers) | ||
| } | ||
|
|
||
| override def `type`(): Class[T] = { | ||
| implicitly[ClassTag[T]].runtimeClass.asInstanceOf[Class[T]] | ||
| } | ||
|
|
||
| override def url(): String = threadLocalShuffledServers.get.head | ||
|
|
||
| /** | ||
| * Cloning the target is done on every request, for use on the current | ||
| * thread - thus it's important that clone returns a "fresh" target. | ||
| */ | ||
| override def clone(): Retryer = { | ||
| reset() | ||
| this | ||
| } | ||
|
|
||
| override def name(): String = { | ||
| s"${getClass.getSimpleName} with servers [${servers.mkString(",")}]" | ||
| } | ||
|
|
||
| override def apply(requestTemplate: RequestTemplate): Request = { | ||
| if (!requestTemplate.url().startsWith("http")) { | ||
| requestTemplate.insert(0, url()) | ||
| } | ||
| requestTemplate.request() | ||
| } | ||
|
|
||
| override def continueOrPropagate(e: RetryableException): Unit = { | ||
| threadLocalShuffledServers.set(threadLocalShuffledServers.get.drop(1)) | ||
| if (threadLocalShuffledServers.get.isEmpty) { | ||
| throw e | ||
| } | ||
| } | ||
|
|
||
| def reset(): Unit = { | ||
| threadLocalShuffledServers.set(Random.shuffle(servers)) | ||
| } | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters