From 498a26189b197bdaf4be47e6a8baca7b97fe9064 Mon Sep 17 00:00:00 2001
From: Matei Zaharia <matei@eecs.berkeley.edu>
Date: Mon, 19 Aug 2013 18:17:49 -0700
Subject: [PATCH] Small fixes to web UI:

- Use SPARK_PUBLIC_DNS environment variable if set (for EC2)
- Use a non-ephemeral port (3030 instead of 33000) by default
- Updated test to use non-ephemeral port too
---
 core/src/main/scala/spark/ui/SparkUI.scala | 10 +++++-----
 core/src/test/scala/spark/ui/UISuite.scala |  2 +-
 ec2/spark_ec2.py                           |  2 +-
 3 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/core/src/main/scala/spark/ui/SparkUI.scala b/core/src/main/scala/spark/ui/SparkUI.scala
index 1fd5a0989e..23ded44ba3 100644
--- a/core/src/main/scala/spark/ui/SparkUI.scala
+++ b/core/src/main/scala/spark/ui/SparkUI.scala
@@ -30,7 +30,7 @@ import spark.ui.JettyUtils._
 
 /** Top level user interface for Spark */
 private[spark] class SparkUI(sc: SparkContext) extends Logging {
-  val host = Utils.localHostName()
+  val host = Option(System.getenv("SPARK_PUBLIC_DNS")).getOrElse(Utils.localHostName())
   val port = Option(System.getProperty("spark.ui.port")).getOrElse(SparkUI.DEFAULT_PORT).toInt
   var boundPort: Option[Int] = None
   var server: Option[Server] = None
@@ -58,9 +58,9 @@ private[spark] class SparkUI(sc: SparkContext) extends Logging {
       server = Some(srv)
       boundPort = Some(usedPort)
     } catch {
-    case e: Exception =>
-      logError("Failed to create Spark JettyUtils", e)
-      System.exit(1)
+      case e: Exception =>
+        logError("Failed to create Spark JettyUtils", e)
+        System.exit(1)
     }
   }
 
@@ -82,6 +82,6 @@ private[spark] class SparkUI(sc: SparkContext) extends Logging {
 }
 
 private[spark] object SparkUI {
-  val DEFAULT_PORT = "33000"
+  val DEFAULT_PORT = "3030"
   val STATIC_RESOURCE_DIR = "spark/ui/static"
 }
diff --git a/core/src/test/scala/spark/ui/UISuite.scala b/core/src/test/scala/spark/ui/UISuite.scala
index 56c1fed6ad..41cb0e0a35 100644
--- a/core/src/test/scala/spark/ui/UISuite.scala
+++ b/core/src/test/scala/spark/ui/UISuite.scala
@@ -24,7 +24,7 @@ import org.eclipse.jetty.server.Server
 
 class UISuite extends FunSuite {
   test("jetty port increases under contention") {
-    val startPort = 33333
+    val startPort = 3030
     val server = new Server(startPort)
     server.start()
     val (jettyServer1, boundPort1) = JettyUtils.startJettyServer("localhost", startPort, Seq())
diff --git a/ec2/spark_ec2.py b/ec2/spark_ec2.py
index 740ec08542..4087c3bc2b 100755
--- a/ec2/spark_ec2.py
+++ b/ec2/spark_ec2.py
@@ -178,7 +178,7 @@ def launch_cluster(conn, opts, cluster_name):
     master_group.authorize('tcp', 50030, 50030, '0.0.0.0/0')
     master_group.authorize('tcp', 50070, 50070, '0.0.0.0/0')
     master_group.authorize('tcp', 60070, 60070, '0.0.0.0/0')
-    master_group.authorize('tcp', 33000, 33010, '0.0.0.0/0')
+    master_group.authorize('tcp', 3030, 3030, '0.0.0.0/0')
     if opts.cluster_type == "mesos":
       master_group.authorize('tcp', 38090, 38090, '0.0.0.0/0')
     if opts.ganglia:
-- 
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