Github user vanzin commented on a diff in the pull request:
https://github.com/apache/spark/pull/11746#discussion_r73770621
--- Diff:
core/src/main/scala/org/apache/spark/deploy/worker/DriverRunner.scala ---
@@ -168,7 +173,24 @@ private[deploy] class DriverRunner(
localJarFilename
}
- private def launchDriver(builder: ProcessBuilder, baseDir: File,
supervise: Boolean) {
+ private[worker] def prepareAndLaunchDriver(): Int = {
+ val driverDir = createWorkingDirectory()
+ val localJarFilename = downloadUserJar(driverDir)
+
+ def substituteVariables(argument: String): String = argument match {
+ case "{{WORKER_URL}}" => workerUrl
+ case "{{USER_JAR}}" => localJarFilename
+ case other => other
+ }
+
+ // TODO: If we add ability to submit multiple jars they should also be
added here
+ val builder = CommandUtils.buildProcessBuilder(driverDesc.command,
securityManager,
+ driverDesc.mem, sparkHome.getAbsolutePath, substituteVariables)
+
+ launchDriver(builder, driverDir, driverDesc.supervise)
+ }
+
+ private def launchDriver(builder: ProcessBuilder, baseDir: File,
supervise: Boolean): Int = {
--- End diff --
Similar. `runDriver` instead of `launchDriver`?
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