[SPARK-10123][DEPLOY] Support specifying deploy mode from configuration

Please help to review, thanks a lot.

Author: jerryshao <sshao@hortonworks.com>

Closes #10195 from jerryshao/SPARK-10123.

2 files changed, 45 insertions, 1 deletions

diff --git a/core/src/main/scala/org/apache/spark/deploy/SparkSubmitArguments.scala b/core/src/main/scala/org/apache/spark/deploy/SparkSubmitArguments.scala
index 18a1c52ae5..915ef81b4e 100644
--- a/core/src/main/scala/org/apache/spark/deploy/SparkSubmitArguments.scala
+++ b/core/src/main/scala/org/apache/spark/deploy/SparkSubmitArguments.scala
@@ -176,7 +176,10 @@ private[deploy] class SparkSubmitArguments(args: Seq[String], env: Map[String, S
     packages = Option(packages).orElse(sparkProperties.get("spark.jars.packages")).orNull
     packagesExclusions = Option(packagesExclusions)
       .orElse(sparkProperties.get("spark.jars.excludes")).orNull
-    deployMode = Option(deployMode).orElse(env.get("DEPLOY_MODE")).orNull
+    deployMode = Option(deployMode)
+      .orElse(sparkProperties.get("spark.submit.deployMode"))
+      .orElse(env.get("DEPLOY_MODE"))
+      .orNull
     numExecutors = Option(numExecutors)
       .getOrElse(sparkProperties.get("spark.executor.instances").orNull)
     keytab = Option(keytab).orElse(sparkProperties.get("spark.yarn.keytab")).orNull
diff --git a/core/src/test/scala/org/apache/spark/deploy/SparkSubmitSuite.scala b/core/src/test/scala/org/apache/spark/deploy/SparkSubmitSuite.scala
index d494b0caab..2626f5a16d 100644
--- a/core/src/test/scala/org/apache/spark/deploy/SparkSubmitSuite.scala
+++ b/core/src/test/scala/org/apache/spark/deploy/SparkSubmitSuite.scala
@@ -136,6 +136,47 @@ class SparkSubmitSuite
     appArgs.childArgs should be (Seq("--master", "local", "some", "--weird", "args"))
   }
 
+  test("specify deploy mode through configuration") {
+    val clArgs = Seq(
+      "--master", "yarn",
+      "--conf", "spark.submit.deployMode=client",
+      "--class", "org.SomeClass",
+      "thejar.jar"
+    )
+    val appArgs = new SparkSubmitArguments(clArgs)
+    val (_, _, sysProps, _) = prepareSubmitEnvironment(appArgs)
+
+    appArgs.deployMode should be ("client")
+    sysProps("spark.submit.deployMode") should be ("client")
+
+    // Both cmd line and configuration are specified, cmdline option takes the priority
+    val clArgs1 = Seq(
+      "--master", "yarn",
+      "--deploy-mode", "cluster",
+      "--conf", "spark.submit.deployMode=client",
+      "-class", "org.SomeClass",
+      "thejar.jar"
+    )
+    val appArgs1 = new SparkSubmitArguments(clArgs1)
+    val (_, _, sysProps1, _) = prepareSubmitEnvironment(appArgs1)
+
+    appArgs1.deployMode should be ("cluster")
+    sysProps1("spark.submit.deployMode") should be ("cluster")
+
+    // Neither cmdline nor configuration are specified, client mode is the default choice
+    val clArgs2 = Seq(
+      "--master", "yarn",
+      "--class", "org.SomeClass",
+      "thejar.jar"
+    )
+    val appArgs2 = new SparkSubmitArguments(clArgs2)
+    appArgs2.deployMode should be (null)
+
+    val (_, _, sysProps2, _) = prepareSubmitEnvironment(appArgs2)
+    appArgs2.deployMode should be ("client")
+    sysProps2("spark.submit.deployMode") should be ("client")
+  }
+
   test("handles YARN cluster mode") {
     val clArgs = Seq(
       "--deploy-mode", "cluster",