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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.mesos.ui
import javax.servlet.http.HttpServletRequest
import scala.xml.Node
import org.apache.spark.deploy.Command
import org.apache.spark.deploy.mesos.MesosDriverDescription
import org.apache.spark.scheduler.cluster.mesos.{MesosClusterRetryState, MesosClusterSubmissionState}
import org.apache.spark.ui.{UIUtils, WebUIPage}
private[ui] class DriverPage(parent: MesosClusterUI) extends WebUIPage("driver") {
override def render(request: HttpServletRequest): Seq[Node] = {
val driverId = request.getParameter("id")
require(driverId != null && driverId.nonEmpty, "Missing id parameter")
val state = parent.scheduler.getDriverState(driverId)
if (state.isEmpty) {
val content =
<div>
<p>Cannot find driver {driverId}</p>
</div>
return UIUtils.basicSparkPage(content, s"Details for Job $driverId")
}
val driverState = state.get
val driverHeaders = Seq("Driver property", "Value")
val schedulerHeaders = Seq("Scheduler property", "Value")
val commandEnvHeaders = Seq("Command environment variable", "Value")
val launchedHeaders = Seq("Launched property", "Value")
val commandHeaders = Seq("Command property", "Value")
val retryHeaders = Seq("Last failed status", "Next retry time", "Retry count")
val driverDescription = Iterable.apply(driverState.description)
val submissionState = Iterable.apply(driverState.submissionState)
val command = Iterable.apply(driverState.description.command)
val schedulerProperties = Iterable.apply(driverState.description.conf.getAll.toMap)
val commandEnv = Iterable.apply(driverState.description.command.environment)
val driverTable =
UIUtils.listingTable(driverHeaders, driverRow, driverDescription)
val commandTable =
UIUtils.listingTable(commandHeaders, commandRow, command)
val commandEnvTable =
UIUtils.listingTable(commandEnvHeaders, propertiesRow, commandEnv)
val schedulerTable =
UIUtils.listingTable(schedulerHeaders, propertiesRow, schedulerProperties)
val launchedTable =
UIUtils.listingTable(launchedHeaders, launchedRow, submissionState)
val retryTable =
UIUtils.listingTable(
retryHeaders, retryRow, Iterable.apply(driverState.description.retryState))
val content =
<p>Driver state information for driver id {driverId}</p>
<a href={UIUtils.prependBaseUri("/")}>Back to Drivers</a>
<div class="row-fluid">
<div class="span12">
<h4>Driver state: {driverState.state}</h4>
<h4>Driver properties</h4>
{driverTable}
<h4>Driver command</h4>
{commandTable}
<h4>Driver command environment</h4>
{commandEnvTable}
<h4>Scheduler properties</h4>
{schedulerTable}
<h4>Launched state</h4>
{launchedTable}
<h4>Retry state</h4>
{retryTable}
</div>
</div>;
UIUtils.basicSparkPage(content, s"Details for Job $driverId")
}
private def launchedRow(submissionState: Option[MesosClusterSubmissionState]): Seq[Node] = {
submissionState.map { state =>
<tr>
<td>Mesos Slave ID</td>
<td>{state.slaveId.getValue}</td>
</tr>
<tr>
<td>Mesos Task ID</td>
<td>{state.taskId.getValue}</td>
</tr>
<tr>
<td>Launch Time</td>
<td>{UIUtils.formatDate(state.startDate)}</td>
</tr>
<tr>
<td>Finish Time</td>
<td>{state.finishDate.map(_.toString).getOrElse("")}</td>
</tr>
<tr>
<td>Last Task Status</td>
<td>{state.mesosTaskStatus.map(_.toString).getOrElse("")}</td>
</tr>
}.getOrElse(Seq[Node]())
}
private def propertiesRow(properties: collection.Map[String, String]): Seq[Node] = {
properties.map { case (k, v) =>
<tr>
<td>{k}</td><td>{v}</td>
</tr>
}.toSeq
}
private def commandRow(command: Command): Seq[Node] = {
<tr>
<td>Main class</td><td>{command.mainClass}</td>
</tr>
<tr>
<td>Arguments</td><td>{command.arguments.mkString(" ")}</td>
</tr>
<tr>
<td>Class path entries</td><td>{command.classPathEntries.mkString(" ")}</td>
</tr>
<tr>
<td>Java options</td><td>{command.javaOpts.mkString((" "))}</td>
</tr>
<tr>
<td>Library path entries</td><td>{command.libraryPathEntries.mkString((" "))}</td>
</tr>
}
private def driverRow(driver: MesosDriverDescription): Seq[Node] = {
<tr>
<td>Name</td><td>{driver.name}</td>
</tr>
<tr>
<td>Id</td><td>{driver.submissionId}</td>
</tr>
<tr>
<td>Cores</td><td>{driver.cores}</td>
</tr>
<tr>
<td>Memory</td><td>{driver.mem}</td>
</tr>
<tr>
<td>Submitted</td><td>{UIUtils.formatDate(driver.submissionDate)}</td>
</tr>
<tr>
<td>Supervise</td><td>{driver.supervise}</td>
</tr>
}
private def retryRow(retryState: Option[MesosClusterRetryState]): Seq[Node] = {
retryState.map { state =>
<tr>
<td>
{state.lastFailureStatus}
</td>
<td>
{state.nextRetry}
</td>
<td>
{state.retries}
</td>
</tr>
}.getOrElse(Seq[Node]())
}
}
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