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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.worker.ui
import javax.servlet.http.HttpServletRequest
import scala.xml.Node
import akka.dispatch.Await
import akka.pattern.ask
import akka.util.duration._
import net.liftweb.json.JsonAST.JValue
import org.apache.spark.deploy.JsonProtocol
import org.apache.spark.deploy.DeployMessages.{RequestWorkerState, WorkerStateResponse}
import org.apache.spark.deploy.worker.ExecutorRunner
import org.apache.spark.ui.UIUtils
import org.apache.spark.util.Utils
private[spark] class IndexPage(parent: WorkerWebUI) {
val workerActor = parent.worker.self
val worker = parent.worker
val timeout = parent.timeout
def renderJson(request: HttpServletRequest): JValue = {
val stateFuture = (workerActor ? RequestWorkerState)(timeout).mapTo[WorkerStateResponse]
val workerState = Await.result(stateFuture, 30 seconds)
JsonProtocol.writeWorkerState(workerState)
}
def render(request: HttpServletRequest): Seq[Node] = {
val stateFuture = (workerActor ? RequestWorkerState)(timeout).mapTo[WorkerStateResponse]
val workerState = Await.result(stateFuture, 30 seconds)
val executorHeaders = Seq("ExecutorID", "Cores", "Memory", "Job Details", "Logs")
val runningExecutorTable =
UIUtils.listingTable(executorHeaders, executorRow, workerState.executors)
val finishedExecutorTable =
UIUtils.listingTable(executorHeaders, executorRow, workerState.finishedExecutors)
val content =
<div class="row-fluid"> <!-- Worker Details -->
<div class="span12">
<ul class="unstyled">
<li><strong>ID:</strong> {workerState.workerId}</li>
<li><strong>
Master URL:</strong> {workerState.masterUrl}
</li>
<li><strong>Cores:</strong> {workerState.cores} ({workerState.coresUsed} Used)</li>
<li><strong>Memory:</strong> {Utils.megabytesToString(workerState.memory)}
({Utils.megabytesToString(workerState.memoryUsed)} Used)</li>
</ul>
<p><a href={workerState.masterWebUiUrl}>Back to Master</a></p>
</div>
</div>
<div class="row-fluid"> <!-- Running Executors -->
<div class="span12">
<h4> Running Executors {workerState.executors.size} </h4>
{runningExecutorTable}
</div>
</div>
<div class="row-fluid"> <!-- Finished Executors -->
<div class="span12">
<h4> Finished Executors </h4>
{finishedExecutorTable}
</div>
</div>;
UIUtils.basicSparkPage(content, "Spark Worker at %s:%s".format(
workerState.host, workerState.port))
}
def executorRow(executor: ExecutorRunner): Seq[Node] = {
<tr>
<td>{executor.execId}</td>
<td>{executor.cores}</td>
<td sorttable_customkey={executor.memory.toString}>
{Utils.megabytesToString(executor.memory)}
</td>
<td>
<ul class="unstyled">
<li><strong>ID:</strong> {executor.appId}</li>
<li><strong>Name:</strong> {executor.appDesc.name}</li>
<li><strong>User:</strong> {executor.appDesc.user}</li>
</ul>
</td>
<td>
<a href={"logPage?appId=%s&executorId=%s&logType=stdout"
.format(executor.appId, executor.execId)}>stdout</a>
<a href={"logPage?appId=%s&executorId=%s&logType=stderr"
.format(executor.appId, executor.execId)}>stderr</a>
</td>
</tr>
}
}
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