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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 javax.servlet.http.HttpServletRequest
import scala.xml.Node
import org.apache.spark.deploy.DeployMessages.{MasterStateResponse, RequestMasterState}
import org.apache.spark.deploy.ExecutorState
import org.apache.spark.deploy.master.ExecutorDesc
import org.apache.spark.ui.{ToolTips, UIUtils, WebUIPage}
import org.apache.spark.util.Utils
private[ui] class ApplicationPage(parent: MasterWebUI) extends WebUIPage("app") {
private val master = parent.masterEndpointRef
/** Executor details for a particular application */
def render(request: HttpServletRequest): Seq[Node] = {
val appId = request.getParameter("appId")
val state = master.askSync[MasterStateResponse](RequestMasterState)
val app = state.activeApps.find(_.id == appId)
.getOrElse(state.completedApps.find(_.id == appId).orNull)
if (app == null) {
val msg = <div class="row-fluid">No running application with ID {appId}</div>
return UIUtils.basicSparkPage(msg, "Not Found")
}
val executorHeaders = Seq("ExecutorID", "Worker", "Cores", "Memory", "State", "Logs")
val allExecutors = (app.executors.values ++ app.removedExecutors).toSet.toSeq
// This includes executors that are either still running or have exited cleanly
val executors = allExecutors.filter { exec =>
!ExecutorState.isFinished(exec.state) || exec.state == ExecutorState.EXITED
}
val removedExecutors = allExecutors.diff(executors)
val executorsTable = UIUtils.listingTable(executorHeaders, executorRow, executors)
val removedExecutorsTable = UIUtils.listingTable(executorHeaders, executorRow, removedExecutors)
val content =
<div class="row-fluid">
<div class="span12">
<ul class="unstyled">
<li><strong>ID:</strong> {app.id}</li>
<li><strong>Name:</strong> {app.desc.name}</li>
<li><strong>User:</strong> {app.desc.user}</li>
<li><strong>Cores:</strong>
{
if (app.desc.maxCores.isEmpty) {
"Unlimited (%s granted)".format(app.coresGranted)
} else {
"%s (%s granted, %s left)".format(
app.desc.maxCores.get, app.coresGranted, app.coresLeft)
}
}
</li>
<li>
<span data-toggle="tooltip" title={ToolTips.APPLICATION_EXECUTOR_LIMIT}
data-placement="right">
<strong>Executor Limit: </strong>
{
if (app.executorLimit == Int.MaxValue) "Unlimited" else app.executorLimit
}
({app.executors.size} granted)
</span>
</li>
<li>
<strong>Executor Memory:</strong>
{Utils.megabytesToString(app.desc.memoryPerExecutorMB)}
</li>
<li><strong>Submit Date:</strong> {app.submitDate}</li>
<li><strong>State:</strong> {app.state}</li>
{
if (!app.isFinished) {
<li><strong>
<a href={UIUtils.makeHref(parent.master.reverseProxy,
app.id, app.desc.appUiUrl)}>Application Detail UI</a>
</strong></li>
}
}
</ul>
</div>
</div>
<div class="row-fluid"> <!-- Executors -->
<div class="span12">
<h4> Executor Summary </h4>
{executorsTable}
{
if (removedExecutors.nonEmpty) {
<h4> Removed Executors </h4> ++
removedExecutorsTable
}
}
</div>
</div>;
UIUtils.basicSparkPage(content, "Application: " + app.desc.name)
}
private def executorRow(executor: ExecutorDesc): Seq[Node] = {
val workerUrlRef = UIUtils.makeHref(parent.master.reverseProxy,
executor.worker.id, executor.worker.webUiAddress)
<tr>
<td>{executor.id}</td>
<td>
<a href={workerUrlRef}>{executor.worker.id}</a>
</td>
<td>{executor.cores}</td>
<td>{executor.memory}</td>
<td>{executor.state}</td>
<td>
<a href={"%s/logPage?appId=%s&executorId=%s&logType=stdout"
.format(workerUrlRef, executor.application.id, executor.id)}>stdout</a>
<a href={"%s/logPage?appId=%s&executorId=%s&logType=stderr"
.format(workerUrlRef, executor.application.id, executor.id)}>stderr</a>
</td>
</tr>
}
}
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