vicennial commented on code in PR #40368: URL: https://github.com/apache/spark/pull/40368#discussion_r1142127448
########## connector/connect/server/src/main/scala/org/apache/spark/sql/connect/artifact/SparkConnectArtifactManager.scala: ########## @@ -0,0 +1,159 @@ +/* + * 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.sql.connect.artifact + +import java.net.{URL, URLClassLoader} +import java.nio.file.{Files, Path, Paths, StandardCopyOption} +import java.util.concurrent.CopyOnWriteArrayList + +import scala.collection.JavaConverters._ + +import org.apache.spark.{SparkContext, SparkEnv} +import org.apache.spark.sql.SparkSession +import org.apache.spark.util.Utils + +/** + * The Artifact Manager for the [[SparkConnectService]]. + * + * This class handles the storage of artifacts as well as preparing the artifacts for use. + * Currently, jars and classfile artifacts undergo additional processing: + * - Jars are automatically added to the underlying [[SparkContext]] and are accessible by all + * users of the cluster. + * - Class files are moved into a common directory that is shared among all users of the + * cluster. Note: Under a multi-user setup, class file conflicts may occur between user + * classes as the class file directory is shared. + */ +class SparkConnectArtifactManager private[connect] { + + // The base directory where all artifacts are stored. + // Note: If a REPL is attached to the cluster, class file artifacts are stored in the + // REPL's output directory. + private[connect] lazy val artifactRootPath = SparkContext.getActive match { Review Comment: Hmm, `SparkConnectPlanner` callsites can pass this in via the `session` but it gets awkward in `SparkConnectAddArtifactsHandler` where we'll need to create/obtain the active Artifact Manager via a SparkSession lookup from the request -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org
