hadoop HsJobBlock 源码

haddop HsJobBlock 代码

文件路径：/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-hs/src/main/java/org/apache/hadoop/mapreduce/v2/hs/webapp/HsJobBlock.java

/**
* 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.hadoop.mapreduce.v2.hs.webapp;

import static org.apache.hadoop.mapreduce.v2.app.webapp.AMParams.JOB_ID;
import static org.apache.hadoop.yarn.webapp.view.JQueryUI._EVEN;
import static org.apache.hadoop.yarn.webapp.view.JQueryUI._INFO_WRAP;
import static org.apache.hadoop.yarn.webapp.view.JQueryUI._ODD;
import static org.apache.hadoop.yarn.webapp.view.JQueryUI._TH;

import java.util.Date;
import java.util.List;

import org.apache.hadoop.mapreduce.TaskID;
import org.apache.hadoop.mapreduce.v2.api.records.AMInfo;
import org.apache.hadoop.mapreduce.v2.api.records.JobId;
import org.apache.hadoop.mapreduce.v2.app.AppContext;
import org.apache.hadoop.mapreduce.v2.app.job.Job;
import org.apache.hadoop.mapreduce.v2.app.webapp.dao.ConfEntryInfo;
import org.apache.hadoop.mapreduce.v2.hs.UnparsedJob;
import org.apache.hadoop.mapreduce.v2.hs.webapp.dao.AMAttemptInfo;
import org.apache.hadoop.mapreduce.v2.hs.webapp.dao.JobInfo;
import org.apache.hadoop.mapreduce.v2.jobhistory.JHAdminConfig;
import org.apache.hadoop.mapreduce.v2.util.MRApps;
import org.apache.hadoop.mapreduce.v2.util.MRApps.TaskAttemptStateUI;
import org.apache.hadoop.mapreduce.v2.util.MRWebAppUtil;
import org.apache.hadoop.util.StringUtils;
import org.apache.hadoop.yarn.util.Times;
import org.apache.hadoop.yarn.webapp.ResponseInfo;
import org.apache.hadoop.yarn.webapp.hamlet2.Hamlet;
import org.apache.hadoop.yarn.webapp.hamlet2.Hamlet.DIV;
import org.apache.hadoop.yarn.webapp.hamlet2.Hamlet.TABLE;
import org.apache.hadoop.yarn.webapp.view.HtmlBlock;
import org.apache.hadoop.yarn.webapp.view.InfoBlock;

import com.google.inject.Inject;

/**
 * Render a block of HTML for a give job.
 */
public class HsJobBlock extends HtmlBlock {
  final AppContext appContext;

  @Inject HsJobBlock(AppContext appctx) {
    appContext = appctx;
  }

  /*
   * (non-Javadoc)
   * @see org.apache.hadoop.yarn.webapp.view.HtmlBlock#render(org.apache.hadoop.yarn.webapp.view.HtmlBlock.Block)
   */
  @Override protected void render(Block html) {
    String jid = $(JOB_ID);
    if (jid.isEmpty()) {
      html.
        p().__("Sorry, can't do anything without a JobID.").__();
      return;
    }
    JobId jobID = MRApps.toJobID(jid);
    Job j = appContext.getJob(jobID);
    if (j == null) {
      html.p().__("Sorry, ", jid, " not found.").__();
      return;
    }
    if(j instanceof UnparsedJob) {
      final int taskCount = j.getTotalMaps() + j.getTotalReduces();
      UnparsedJob oversizedJob = (UnparsedJob) j;
      html.p().__("The job has a total of " + taskCount + " tasks. ")
          .__("Any job larger than " + oversizedJob.getMaxTasksAllowed() +
              " will not be loaded.").__();
      html.p().__("You can either use the CLI tool: 'mapred job -history'"
          + " to view large jobs or adjust the property " +
          JHAdminConfig.MR_HS_LOADED_JOBS_TASKS_MAX + ".").__();
      return;
    }
    List<AMInfo> amInfos = j.getAMInfos();
    JobInfo job = new JobInfo(j);
    ResponseInfo infoBlock = info("Job Overview").
        __("Job Name:", job.getName()).
        __("User Name:", job.getUserName()).
        __("Queue:", job.getQueueName()).
        __("State:", job.getState()).
        __("Uberized:", job.isUber()).
        __("Submitted:", new Date(job.getSubmitTime())).
        __("Started:", job.getStartTimeStr()).
        __("Finished:", new Date(job.getFinishTime())).
        __("Elapsed:", StringUtils.formatTime(
            Times.elapsed(job.getStartTime(), job.getFinishTime(), false)));
    
    String amString =
        amInfos.size() == 1 ? "ApplicationMaster" : "ApplicationMasters"; 
    
    // todo - switch to use JobInfo
    List<String> diagnostics = j.getDiagnostics();
    if(diagnostics != null && !diagnostics.isEmpty()) {
      StringBuffer b = new StringBuffer();
      for(String diag: diagnostics) {
        b.append(addTaskLinks(diag));
      }
      infoBlock._r("Diagnostics:", b.toString());
    }

    if(job.getNumMaps() > 0) {
      infoBlock.__("Average Map Time", StringUtils.formatTime(job.getAvgMapTime()));
    }
    if(job.getNumReduces() > 0) {
      infoBlock.__("Average Shuffle Time", StringUtils.formatTime(job.getAvgShuffleTime()));
      infoBlock.__("Average Merge Time", StringUtils.formatTime(job.getAvgMergeTime()));
      infoBlock.__("Average Reduce Time", StringUtils.formatTime(job.getAvgReduceTime()));
    }

    for (ConfEntryInfo entry : job.getAcls()) {
      infoBlock.__("ACL "+entry.getName()+":", entry.getValue());
    }
    DIV<Hamlet> div = html.
        __(InfoBlock.class).
      div(_INFO_WRAP);
    
      // MRAppMasters Table
        TABLE<DIV<Hamlet>> table = div.table("#job");
        table.
          tr().
            th(amString).
            __().
          tr().
            th(_TH, "Attempt Number").
            th(_TH, "Start Time").
            th(_TH, "Node").
            th(_TH, "Logs").
            __();
        boolean odd = false;
          for (AMInfo amInfo : amInfos) {
            AMAttemptInfo attempt = new AMAttemptInfo(amInfo,
                job.getId(), job.getUserName(), "", "");
            table.tr((odd = !odd) ? _ODD : _EVEN).
              td(String.valueOf(attempt.getAttemptId())).
              td(new Date(attempt.getStartTime()).toString()).
              td().a(".nodelink", url(MRWebAppUtil.getYARNWebappScheme(),
                  attempt.getNodeHttpAddress()),
                  attempt.getNodeHttpAddress()).__().
              td().a(".logslink", url(attempt.getLogsLink()),
                      "logs").__().
                __();
          }
          table.__();
          div.__();
          
        
        html.div(_INFO_WRAP).        
      
      // Tasks table
        table("#job").
          tr().
            th(_TH, "Task Type").
            th(_TH, "Total").
            th(_TH, "Complete").__().
          tr(_ODD).
            th().
              a(url("tasks", jid, "m"), "Map").__().
            td(String.valueOf(String.valueOf(job.getMapsTotal()))).
            td(String.valueOf(String.valueOf(job.getMapsCompleted()))).__().
          tr(_EVEN).
            th().
              a(url("tasks", jid, "r"), "Reduce").__().
            td(String.valueOf(String.valueOf(job.getReducesTotal()))).
            td(String.valueOf(String.valueOf(job.getReducesCompleted()))).__()
          .__().

        // Attempts table
        table("#job").
        tr().
          th(_TH, "Attempt Type").
          th(_TH, "Failed").
          th(_TH, "Killed").
          th(_TH, "Successful").__().
        tr(_ODD).
          th("Maps").
          td().a(url("attempts", jid, "m",
              TaskAttemptStateUI.FAILED.toString()), 
              String.valueOf(job.getFailedMapAttempts())).__().
          td().a(url("attempts", jid, "m",
              TaskAttemptStateUI.KILLED.toString()), 
              String.valueOf(job.getKilledMapAttempts())).__().
          td().a(url("attempts", jid, "m",
              TaskAttemptStateUI.SUCCESSFUL.toString()), 
              String.valueOf(job.getSuccessfulMapAttempts())).__().
            __().
        tr(_EVEN).
          th("Reduces").
          td().a(url("attempts", jid, "r",
              TaskAttemptStateUI.FAILED.toString()), 
              String.valueOf(job.getFailedReduceAttempts())).__().
          td().a(url("attempts", jid, "r",
              TaskAttemptStateUI.KILLED.toString()), 
              String.valueOf(job.getKilledReduceAttempts())).__().
          td().a(url("attempts", jid, "r",
              TaskAttemptStateUI.SUCCESSFUL.toString()), 
              String.valueOf(job.getSuccessfulReduceAttempts())).__().
            __().
            __().
            __();
  }

  static String addTaskLinks(String text) {
    return TaskID.taskIdPattern.matcher(text).replaceAll(
        "<a href=\"/jobhistory/task/$0\">$0</a>");
  }
}

相关信息

hadoop 源码目录

相关文章

hadoop HsAboutPage 源码

hadoop HsAttemptsPage 源码

hadoop HsConfPage 源码

hadoop HsController 源码

hadoop HsCountersPage 源码

hadoop HsJobPage 源码

hadoop HsJobsBlock 源码

hadoop HsLogsPage 源码

hadoop HsNavBlock 源码

hadoop HsSingleCounterPage 源码