Github user skonto commented on a diff in the pull request:
https://github.com/apache/spark/pull/18630#discussion_r128835610
--- Diff:
core/src/main/scala/org/apache/spark/deploy/worker/DriverWrapper.scala ---
@@ -66,4 +77,68 @@ object DriverWrapper {
System.exit(-1)
}
}
+
+ // R or Python are not supported in cluster mode so download the jars to
the driver side
+ private def setupDependencies(loader: MutableURLClassLoader, userJar:
String): Unit = {
+ val packagesExclusions = sys.props.get("spark.jars.excludes").orNull
+ val packages = sys.props.get("spark.jars.packages").orNull
+ val repositories = sys.props.get("spark.jars.repositories").orNull
+ val hadoopConf = new HadoopConfiguration()
+ val childClasspath = new ArrayBuffer[String]()
+ val ivyRepoPath = sys.props.get("spark.jars.ivy").orNull
+ var jars = sys.props.get("spark.jars").orNull
+
+ val exclusions: Seq[String] =
+ if (!StringUtils.isBlank(packagesExclusions)) {
+ packagesExclusions.split(",")
+ } else {
+ Nil
+ }
+
+ // Create the IvySettings, either load from file or build defaults
+ val ivySettings = sys.props.get("spark.jars.ivySettings").map {
ivySettingsFile =>
+ SparkSubmitUtils.loadIvySettings(ivySettingsFile,
Option(repositories),
+ Option(ivyRepoPath))
+ }.getOrElse {
+ SparkSubmitUtils.buildIvySettings(Option(repositories),
Option(ivyRepoPath))
+ }
+
+ val resolvedMavenCoordinates =
SparkSubmitUtils.resolveMavenCoordinates(packages,
+ ivySettings, exclusions = exclusions)
+
+ if (!StringUtils.isBlank(resolvedMavenCoordinates)) {
+ jars = SparkSubmit.mergeFileLists(jars, resolvedMavenCoordinates)
+ }
+
+ val targetDir = Files.createTempDirectory("tmp").toFile
+ // scalastyle:off runtimeaddshutdownhook
+ Runtime.getRuntime.addShutdownHook(new Thread() {
+ override def run(): Unit = {
+ FileUtils.deleteQuietly(targetDir)
+ }
+ })
+ // scalastyle:on runtimeaddshutdownhook
+
+ val sparkProperties = new mutable.HashMap[String, String]()
+ val securityProperties = List("spark.ssl.fs.trustStore",
"spark.ssl.trustStore",
+ "spark.ssl.fs.trustStorePassword", "spark.ssl.trustStorePassword",
+ "spark.ssl.fs.protocol", "spark.ssl.protocol")
+
+ securityProperties
+ .map {pName => sys.props.get(pName)
+ .map{pValue => sparkProperties.put(pName, pValue)}}
+
+ jars = Option(jars).map(SparkSubmit.resolveGlobPaths(_,
hadoopConf)).orNull
+
+ // Filter out the user jar
+ jars =
jars.split(",").filterNot(_.contains(userJar.split("/").last)).mkString(",")
+ jars = Option(jars)
+ .map(SparkSubmit.downloadFileList(_, targetDir, sparkProperties,
hadoopConf)).orNull
+
+ if (jars != null) {childClasspath ++= jars.split(",")}
+
+ for (jar <- childClasspath) {
+ SparkSubmit.addJarToClasspath(jar, loader)
--- End diff --
Ok I will do so...
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