forked from apache/spark
/
MasterWebUI.scala
62 lines (53 loc) · 2.3 KB
/
MasterWebUI.scala
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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.spark.deploy.master.ui
import org.apache.spark.Logging
import org.apache.spark.deploy.master.Master
import org.apache.spark.ui.{SparkUI, WebUI}
import org.apache.spark.ui.JettyUtils._
import org.apache.spark.util.{AkkaUtils, Utils}
/**
* Web UI server for the standalone master.
*/
private[spark]
class MasterWebUI(val master: Master, requestedPort: Int)
extends WebUI(master.securityMgr, requestedPort, master.conf) with Logging {
val masterActorRef = master.self
val timeout = AkkaUtils.askTimeout(master.conf)
initialize()
/** Initialize all components of the server. */
def initialize() {
attachPage(new ApplicationPage(this))
attachPage(new IndexPage(this))
attachHandler(createStaticHandler(MasterWebUI.STATIC_RESOURCE_DIR, "/static"))
master.masterMetricsSystem.getServletHandlers.foreach(attachHandler)
master.applicationMetricsSystem.getServletHandlers.foreach(attachHandler)
}
/** Attach a reconstructed UI to this Master UI. Only valid after bind(). */
def attachUI(ui: SparkUI) {
assert(serverInfo.isDefined, "Master UI must be bound to a server before attaching SparkUIs")
ui.getHandlers.foreach(attachHandler)
}
/** Detach a reconstructed UI from this Master UI. Only valid after bind(). */
def detachUI(ui: SparkUI) {
assert(serverInfo.isDefined, "Master UI must be bound to a server before detaching SparkUIs")
ui.getHandlers.foreach(detachHandler)
}
}
private[spark] object MasterWebUI {
val STATIC_RESOURCE_DIR = SparkUI.STATIC_RESOURCE_DIR
}