Github user tigerquoll commented on a diff in the pull request:
https://github.com/apache/spark/pull/2516#discussion_r19793754
--- Diff: core/src/main/scala/org/apache/spark/deploy/SparkSubmit.scala ---
@@ -83,216 +79,163 @@ object SparkSubmit {
* (4) the main class for the child
*/
private[spark] def createLaunchEnv(args: SparkSubmitArguments)
- : (ArrayBuffer[String], ArrayBuffer[String], Map[String, String],
String) = {
+ : (mutable.ArrayBuffer[String], mutable.ArrayBuffer[String],
Map[String, String], String) = {
// Values to return
- val childArgs = new ArrayBuffer[String]()
- val childClasspath = new ArrayBuffer[String]()
- val sysProps = new HashMap[String, String]()
+ val childArgs = new mutable.ArrayBuffer[String]()
+ val childClasspath = new mutable.ArrayBuffer[String]()
+ val sysProps = new mutable.HashMap[String, String]()
var childMainClass = ""
- // Set the cluster manager
- val clusterManager: Int = args.master match {
- case m if m.startsWith("yarn") => YARN
- case m if m.startsWith("spark") => STANDALONE
- case m if m.startsWith("mesos") => MESOS
- case m if m.startsWith("local") => LOCAL
- case _ => printErrorAndExit("Master must start with yarn, spark,
mesos, or local"); -1
- }
-
- // Set the deploy mode; default is client mode
- var deployMode: Int = args.deployMode match {
- case "client" | null => CLIENT
- case "cluster" => CLUSTER
- case _ => printErrorAndExit("Deploy mode must be either client or
cluster"); -1
- }
-
- // Because "yarn-cluster" and "yarn-client" encapsulate both the master
- // and deploy mode, we have some logic to infer the master and deploy
mode
- // from each other if only one is specified, or exit early if they are
at odds.
- if (clusterManager == YARN) {
- if (args.master == "yarn-standalone") {
- printWarning("\"yarn-standalone\" is deprecated. Use
\"yarn-cluster\" instead.")
- args.master = "yarn-cluster"
- }
- (args.master, args.deployMode) match {
- case ("yarn-cluster", null) =>
- deployMode = CLUSTER
- case ("yarn-cluster", "client") =>
- printErrorAndExit("Client deploy mode is not compatible with
master \"yarn-cluster\"")
- case ("yarn-client", "cluster") =>
- printErrorAndExit("Cluster deploy mode is not compatible with
master \"yarn-client\"")
- case (_, mode) =>
- args.master = "yarn-" + Option(mode).getOrElse("client")
- }
-
+ if (args.clusterManagerFlag == CM_YARN) {
// Make sure YARN is included in our build if we're trying to use it
if (!Utils.classIsLoadable("org.apache.spark.deploy.yarn.Client") &&
!Utils.isTesting) {
printErrorAndExit(
"Could not load YARN classes. " +
"This copy of Spark may not have been compiled with YARN
support.")
}
- }
-
- // The following modes are not supported or applicable
- (clusterManager, deployMode) match {
- case (MESOS, CLUSTER) =>
- printErrorAndExit("Cluster deploy mode is currently not supported
for Mesos clusters.")
- case (_, CLUSTER) if args.isPython =>
- printErrorAndExit("Cluster deploy mode is currently not supported
for python applications.")
- case (_, CLUSTER) if isShell(args.primaryResource) =>
- printErrorAndExit("Cluster deploy mode is not applicable to Spark
shells.")
- case _ =>
+ val hasHadoopEnv = sys.env.contains("HADOOP_CONF_DIR") ||
sys.env.contains("YARN_CONF_DIR")
+ if (!hasHadoopEnv && !Utils.isTesting) {
+ throw new Exception("When running with master '" + args.master +
"'" +
+ "either HADOOP_CONF_DIR or YARN_CONF_DIR must be set in the
environment.")
+ }
}
// If we're running a python app, set the main class to our specific
python runner
if (args.isPython) {
if (args.primaryResource == PYSPARK_SHELL) {
- args.mainClass = "py4j.GatewayServer"
- args.childArgs = ArrayBuffer("--die-on-broken-pipe", "0")
+ args.mainClass = PY4J_GATEWAYSERVER
+ args.childArgs = mutable.ArrayBuffer("--die-on-broken-pipe", "0")
} else {
// If a python file is provided, add it to the child arguments and
list of files to deploy.
// Usage: PythonAppRunner <main python file> <extra python files>
[app arguments]
- args.mainClass = "org.apache.spark.deploy.PythonRunner"
- args.childArgs = ArrayBuffer(args.primaryResource, args.pyFiles)
++ args.childArgs
- args.files = mergeFileLists(args.files, args.primaryResource)
+ args.mainClass = PYTHON_RUNNER
+ args.childArgs = mutable.ArrayBuffer(args.primaryResource,
+ args.pyFiles.getOrElse("")) ++ args.childArgs
--- End diff --
Ok, changed it back to orNull.
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