Github user JoshRosen commented on a diff in the pull request:
https://github.com/apache/spark/pull/4215#discussion_r23879255
--- Diff: core/src/main/scala/org/apache/spark/deploy/SparkSubmit.scala ---
@@ -431,6 +458,155 @@ object SparkSubmit {
}
}
+/** Provides utility functions to be used inside SparkSubmit. */
+private[spark] object SparkSubmitUtils extends Logging {
+
+ // Directories for caching downloads through ivy and storing the jars
when maven coordinates are
+ // supplied to spark-submit
+ private var PACKAGES_DIRECTORY: File = null
+
+ /**
+ * Represents a Maven Coordinate
+ * @param groupId the groupId of the coordinate
+ * @param artifactId the artifactId of the coordinate
+ * @param version the version of the coordinate
+ */
+ private[spark] case class MavenCoordinate(groupId: String, artifactId:
String, version: String)
+
+ /**
+ * Resolves any dependencies that were supplied through maven coordinates
+ * @param coordinates Comma-delimited string of maven coordinates
+ * @param remoteRepos Comma-delimited string of remote repositories
other than maven central
+ * @param ivyPath The path to the local ivy repository
+ * @return The comma-delimited path to the jars of the given maven
artifacts including their
+ * transitive dependencies
+ */
+ private[spark] def resolveMavenCoordinates(
+ coordinates: String,
+ remoteRepos: String,
+ ivyPath: String,
+ isTest: Boolean = false): String = {
+ if (coordinates == null || coordinates.trim.isEmpty) {
+ ""
+ } else {
+ val artifacts = coordinates.split(",").map { p =>
+ val splits = p.split(":")
+ require(splits.length == 3, s"Provided Maven Coordinates must be
in the form " +
+ s"'groupId:artifactId:version'. The coordinate provided is: $p")
+ require(splits(0) != null && splits(0).trim.nonEmpty, s"The
groupId cannot be null or " +
+ s"be whitespace. The groupId provided is: ${splits(0)}")
+ require(splits(1) != null && splits(1).trim.nonEmpty, s"The
artifactId cannot be null or " +
+ s"be whitespace. The artifactId provided is: ${splits(1)}")
+ require(splits(2) != null && splits(2).trim.nonEmpty, s"The
version cannot be null or " +
+ s"be whitespace. The version provided is: ${splits(2)}")
+ new MavenCoordinate(splits(0), splits(1), splits(2))
+ }
+ // Default configuration name for ivy
+ val conf = "default"
--- End diff --
Could you rename this to something like `ivyConfName`? By itself, `conf`
is kind of ambiguous to me.
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