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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.mesos.Protos.TaskStatus
import org.apache.spark.deploy.mesos.config._
import org.apache.spark.deploy.mesos.MesosDriverDescription
import org.apache.spark.scheduler.cluster.mesos.MesosClusterSubmissionState
import org.apache.spark.ui.{UIUtils, WebUIPage}
private[mesos] class MesosClusterPage(parent: MesosClusterUI) extends WebUIPage("") {
private val historyServerURL = parent.conf.get(HISTORY_SERVER_URL)
def render(request: HttpServletRequest): Seq[Node] = {
val state = parent.scheduler.getSchedulerState()
val driverHeader = Seq("Driver ID")
val historyHeader = historyServerURL.map(url => Seq("History")).getOrElse(Nil)
val submissionHeader = Seq("Submit Date", "Main Class", "Driver Resources")
val queuedHeaders = driverHeader ++ submissionHeader
val driverHeaders = driverHeader ++ historyHeader ++ submissionHeader ++
Seq("Start Date", "Mesos Slave ID", "State")
val retryHeaders = Seq("Driver ID", "Submit Date", "Description") ++
Seq("Last Failed Status", "Next Retry Time", "Attempt Count")
val queuedTable = UIUtils.listingTable(queuedHeaders, queuedRow, state.queuedDrivers)
val launchedTable = UIUtils.listingTable(driverHeaders, driverRow, state.launchedDrivers)
val finishedTable = UIUtils.listingTable(driverHeaders, driverRow, state.finishedDrivers)
val retryTable = UIUtils.listingTable(retryHeaders, retryRow, state.pendingRetryDrivers)
val content =
<p>Mesos Framework ID: {state.frameworkId}</p>
<div class="row-fluid">
<div class="span12">
<h4>Queued Drivers:</h4>
{queuedTable}
<h4>Launched Drivers:</h4>
{launchedTable}
<h4>Finished Drivers:</h4>
{finishedTable}
<h4>Supervise drivers waiting for retry:</h4>
{retryTable}
</div>
</div>;
UIUtils.basicSparkPage(content, "Spark Drivers for Mesos cluster")
}
private def queuedRow(submission: MesosDriverDescription): Seq[Node] = {
val id = submission.submissionId
<tr>
<td><a href={s"driver?id=$id"}>{id}</a></td>
<td>{submission.submissionDate}</td>
<td>{submission.command.mainClass}</td>
<td>cpus: {submission.cores}, mem: {submission.mem}</td>
</tr>
}
private def driverRow(state: MesosClusterSubmissionState): Seq[Node] = {
val id = state.driverDescription.submissionId
val historyCol = if (historyServerURL.isDefined) {
<td>
<a href={s"${historyServerURL.get}/history/${state.frameworkId}"}>
{state.frameworkId}
</a>
</td>
} else Nil
<tr>
<td><a href={s"driver?id=$id"}>{id}</a></td>
{historyCol}
<td>{state.driverDescription.submissionDate}</td>
<td>{state.driverDescription.command.mainClass}</td>
<td>cpus: {state.driverDescription.cores}, mem: {state.driverDescription.mem}</td>
<td>{state.startDate}</td>
<td>{state.slaveId.getValue}</td>
<td>{stateString(state.mesosTaskStatus)}</td>
</tr>
}
private def retryRow(submission: MesosDriverDescription): Seq[Node] = {
val id = submission.submissionId
<tr>
<td><a href={s"driver?id=$id"}>{id}</a></td>
<td>{submission.submissionDate}</td>
<td>{submission.command.mainClass}</td>
<td>{submission.retryState.get.lastFailureStatus}</td>
<td>{submission.retryState.get.nextRetry}</td>
<td>{submission.retryState.get.retries}</td>
</tr>
}
private def stateString(status: Option[TaskStatus]): String = {
if (status.isEmpty) {
return ""
}
val sb = new StringBuilder
val s = status.get
sb.append(s"State: ${s.getState}")
if (status.get.hasMessage) {
sb.append(s", Message: ${s.getMessage}")
}
if (status.get.hasHealthy) {
sb.append(s", Healthy: ${s.getHealthy}")
}
if (status.get.hasSource) {
sb.append(s", Source: ${s.getSource}")
}
if (status.get.hasReason) {
sb.append(s", Reason: ${s.getReason}")
}
if (status.get.hasTimestamp) {
sb.append(s", Time: ${s.getTimestamp}")
}
sb.toString()
}
}
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