Github user andrewor14 commented on a diff in the pull request:
https://github.com/apache/spark/pull/5917#discussion_r29734447
--- Diff:
core/src/main/scala/org/apache/spark/scheduler/cluster/mesos/MesosClusterScheduler.scala
---
@@ -371,15 +371,30 @@ private[spark] class MesosClusterScheduler(
envBuilder.addVariables(
Variable.newBuilder().setName("SPARK_EXECUTOR_OPTS").setValue(executorOpts))
val cmdOptions = generateCmdOption(desc)
+ val dockerDefined =
desc.schedulerProperties.contains("spark.mesos.executor.docker.image")
val executorUri = desc.schedulerProperties.get("spark.executor.uri")
.orElse(desc.command.environment.get("SPARK_EXECUTOR_URI"))
val appArguments = desc.command.arguments.mkString(" ")
- val cmd = if (executorUri.isDefined) {
+ val (executable, jar) = if (dockerDefined) {
+ val executorOpts = desc.schedulerProperties
+ .filterKeys(_.contains("docker"))
+ .map { case (k, v) =>
+ s"-D$k=$v"
+ }.mkString(" ")
+ // Pass docker options to executors
+ envBuilder.addVariables(
+ Variable.newBuilder()
+ .setName("SPARK_EXECUTOR_OPTS")
+ .setValue(executorOpts))
+ // Application jar is automatically downloaded in the mounted
sandbox by Mesos,
+ // and the path to the mounted volume is stored in $MESOS_SANDBOX
env variable.
+ ("./bin/spark-submit",
s"$$MESOS_SANDBOX/${desc.jarUrl.split("/").last}")
--- End diff --
sorry, maybe I'm missing something but why are there two dollar signs?
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