Spark Submit changes and test (#542)

* Spark Submit Unit tests

* Improvements

* Add missing options

* Added check for jar

Author: foxish

core/src/main/scala/org/apache/spark/deploy/SparkSubmit.scala

@@ -483,20 +483,20 @@ object SparkSubmit extends CommandLineUtils {
         sysProp = "spark.kubernetes.namespace"),
 
         // Other options
-      OptionAssigner(args.executorCores, STANDALONE | YARN, ALL_DEPLOY_MODES,
+      OptionAssigner(args.executorCores, STANDALONE | YARN | KUBERNETES, ALL_DEPLOY_MODES,
         sysProp = "spark.executor.cores"),
-      OptionAssigner(args.executorMemory, STANDALONE | MESOS | YARN, ALL_DEPLOY_MODES,
+      OptionAssigner(args.executorMemory, STANDALONE | MESOS | YARN | KUBERNETES, ALL_DEPLOY_MODES,
         sysProp = "spark.executor.memory"),
-      OptionAssigner(args.totalExecutorCores, STANDALONE | MESOS, ALL_DEPLOY_MODES,
+      OptionAssigner(args.totalExecutorCores, STANDALONE | MESOS | KUBERNETES, ALL_DEPLOY_MODES,
         sysProp = "spark.cores.max"),
       OptionAssigner(args.files, LOCAL | STANDALONE | MESOS | KUBERNETES, ALL_DEPLOY_MODES,
         sysProp = "spark.files"),
       OptionAssigner(args.jars, LOCAL, CLIENT, sysProp = "spark.jars"),
       OptionAssigner(args.jars, STANDALONE | MESOS | KUBERNETES, ALL_DEPLOY_MODES,
         sysProp = "spark.jars"),
-      OptionAssigner(args.driverMemory, STANDALONE | MESOS | YARN, CLUSTER,
+      OptionAssigner(args.driverMemory, STANDALONE | MESOS | YARN | KUBERNETES, CLUSTER,
         sysProp = "spark.driver.memory"),
-      OptionAssigner(args.driverCores, STANDALONE | MESOS | YARN, CLUSTER,
+      OptionAssigner(args.driverCores, STANDALONE | MESOS | YARN | KUBERNETES, CLUSTER,
         sysProp = "spark.driver.cores"),
       OptionAssigner(args.supervise.toString, STANDALONE | MESOS, CLUSTER,
         sysProp = "spark.driver.supervise"),

core/src/test/scala/org/apache/spark/deploy/SparkSubmitSuite.scala

@@ -381,6 +381,32 @@ class SparkSubmitSuite
     sysProps("spark.ui.enabled") should be ("false")
   }
 
+  test("handles k8s cluster mode") {
+    val clArgs = Seq(
+      "--deploy-mode", "cluster",
+      "--master", "k8s://h:p",
+      "--executor-memory", "5g",
+      "--class", "org.SomeClass",
+      "--kubernetes-namespace", "foo",
+      "--driver-memory", "4g",
+      "--conf", "spark.kubernetes.driver.docker.image=bar",
+      "/home/thejar.jar",
+      "arg1")
+    val appArgs = new SparkSubmitArguments(clArgs)
+    val (childArgs, classpath, sysProps, mainClass) = prepareSubmitEnvironment(appArgs)
+
+    val childArgsMap = childArgs.grouped(2).map(a => a(0) -> a(1)).toMap
+    childArgsMap.get("--primary-java-resource") should be (Some("file:/home/thejar.jar"))
+    childArgsMap.get("--main-class") should be (Some("org.SomeClass"))
+    childArgsMap.get("--arg") should be (Some("arg1"))
+    mainClass should be ("org.apache.spark.deploy.k8s.submit.Client")
+    classpath should have length (0)
+    sysProps("spark.executor.memory") should be ("5g")
+    sysProps("spark.driver.memory") should be ("4g")
+    sysProps("spark.kubernetes.namespace") should be ("foo")
+    sysProps("spark.kubernetes.driver.docker.image") should be ("bar")
+  }
+
   test("handles confs with flag equivalents") {
     val clArgs = Seq(
       "--deploy-mode", "cluster",