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[SPARK-22574] [Mesos] [Submit] Check submission request parameters #19793

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[SPARK-22574] [Mesos] [Submit] Check submission request parameters #19793

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44fd5d3
Check submission request parameters
Gschiavon Nov 21, 2017
14d6417
change test env var name
Gschiavon Nov 27, 2017
57d52c4
added clearer exception message
Gschiavon Nov 28, 2017
ba221bd
change test variables names
Gschiavon Nov 28, 2017
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2 changes: 2 additions & 0 deletions core/src/main/scala/org/apache/spark/deploy/rest/SubmitRestProtocolRequest.scala
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Expand Up @@ -46,6 +46,8 @@ private[rest] class CreateSubmissionRequest extends SubmitRestProtocolRequest {
super.doValidate()
assert(sparkProperties != null, "No Spark properties set!")
assertFieldIsSet(appResource, "appResource")
assertFieldIsSet(appArgs, "appArgs")
assertFieldIsSet(environmentVariables, "environmentVariables")
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@susanxhuynh susanxhuynh Nov 27, 2017

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What if there are no args or environment variables for a particular job? Is the caller expected to pass in an empty array?

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@Gschiavon Gschiavon Nov 28, 2017

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Actually If the caller wouldn't set "appArgs" or "environmentVariables" was causing a null pointer and leaving the Dispatcher inactive. So now I think the caller should pass an empty array, I could add a test for that case @susanxhuynh .

assertPropertyIsSet("spark.app.name")
assertPropertyIsBoolean("spark.driver.supervise")
assertPropertyIsNumeric("spark.driver.cores")
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2 changes: 2 additions & 0 deletions core/src/test/scala/org/apache/spark/deploy/rest/SubmitRestProtocolSuite.scala
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Expand Up @@ -86,6 +86,8 @@ class SubmitRestProtocolSuite extends SparkFunSuite {
message.clientSparkVersion = "1.2.3"
message.appResource = "honey-walnut-cherry.jar"
message.mainClass = "org.apache.spark.examples.SparkPie"
message.appArgs = Array("hdfs://tmp/auth")
message.environmentVariables = Map("SPARK_SCALA_VERSION" -> "2.11")
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@felixcheung felixcheung Nov 26, 2017 •
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we might not be able to set this here - we need to have it working with multiple versions of scala

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@Gschiavon Gschiavon Nov 27, 2017

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In this case it's just a name, I could change it in order to make it clear!

val conf = new SparkConf(false)
conf.set("spark.app.name", "SparkPie")
message.sparkProperties = conf.getAll.toMap
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8 changes: 6 additions & 2 deletions ...ce-managers/mesos/src/main/scala/org/apache/spark/deploy/rest/mesos/MesosRestServer.scala
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Expand Up @@ -82,6 +82,12 @@ private[mesos] class MesosSubmitRequestServlet(
val mainClass = Option(request.mainClass).getOrElse {
throw new SubmitRestMissingFieldException("Main class is missing.")
}
val appArgs = Option(request.appArgs).getOrElse {
throw new SubmitRestMissingFieldException("Application arguments are missing.")
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@ArtRand ArtRand Nov 27, 2017

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Nit: maybe put the fields here also? Something like Application arguments ("appArgs") are missing. Similar below.

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@Gschiavon Gschiavon Nov 28, 2017

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Done @ArtRand

}
val environmentVariables = Option(request.environmentVariables).getOrElse {
throw new SubmitRestMissingFieldException("Environment variables are missing.")
}

// Optional fields
val sparkProperties = request.sparkProperties
Expand All @@ -91,8 +97,6 @@ private[mesos] class MesosSubmitRequestServlet(
val superviseDriver = sparkProperties.get("spark.driver.supervise")
val driverMemory = sparkProperties.get("spark.driver.memory")
val driverCores = sparkProperties.get("spark.driver.cores")
val appArgs = request.appArgs
val environmentVariables = request.environmentVariables
val name = request.sparkProperties.getOrElse("spark.app.name", mainClass)

// Construct driver description
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