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SPARK-1324: SparkUI Should Not Bind to SPARK_PUBLIC_DNS #231

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SPARK-1324: SparkUI Should Not Bind to SPARK_PUBLIC_DNS #231

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9 changes: 5 additions & 4 deletions core/src/main/scala/org/apache/spark/ui/SparkUI.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -47,7 +47,8 @@ private[spark] class SparkUI(

val securityManager = if (live) sc.env.securityManager else new SecurityManager(conf)

private val host = Option(System.getenv("SPARK_PUBLIC_DNS")).getOrElse(Utils.localHostName())
private val bindHost = Utils.localHostName()
private val publicHost = Option(System.getenv("SPARK_PUBLIC_DNS")).getOrElse(bindHost)
private val port = conf.get("spark.ui.port", SparkUI.DEFAULT_PORT).toInt
private var serverInfo: Option[ServerInfo] = None

Expand Down Expand Up @@ -79,8 +80,8 @@ private[spark] class SparkUI(
/** Bind the HTTP server which backs this web interface */
def bind() {
try {
serverInfo = Some(startJettyServer(host, port, handlers, sc.conf))
logInfo("Started Spark Web UI at http://%s:%d".format(host, boundPort))
serverInfo = Some(startJettyServer(bindHost, port, handlers, sc.conf))
logInfo("Started Spark Web UI at http://%s:%d".format(publicHost, boundPort))
} catch {
case e: Exception =>
logError("Failed to create Spark JettyUtils", e)
Expand Down Expand Up @@ -111,7 +112,7 @@ private[spark] class SparkUI(
logInfo("Stopped Spark Web UI at %s".format(appUIAddress))
}

private[spark] def appUIAddress = "http://" + host + ":" + boundPort
private[spark] def appUIAddress = "http://" + publicHost + ":" + boundPort

}

Expand Down