/**
* 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.yarn.server.resourcemanager.webapp;
import static org.apache.hadoop.yarn.util.StringHelper.join;
import static org.apache.hadoop.yarn.webapp.YarnWebParams.APP_STATE;
import static org.apache.hadoop.yarn.webapp.view.JQueryUI.C_PROGRESSBAR;
import static org.apache.hadoop.yarn.webapp.view.JQueryUI.C_PROGRESSBAR_VALUE;
import java.util.Collection;
import java.util.HashSet;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import org.apache.commons.lang.StringEscapeUtils;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
import org.apache.hadoop.yarn.api.records.ApplicationId;
import org.apache.hadoop.yarn.api.records.YarnApplicationState;
import org.apache.hadoop.yarn.server.resourcemanager.RMContext;
import org.apache.hadoop.yarn.server.resourcemanager.ResourceManager;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMApp;
import org.apache.hadoop.yarn.server.resourcemanager.rmapp.RMAppState;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler;
import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.AppInfo;
import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.FairSchedulerInfo;
import org.apache.hadoop.yarn.webapp.hamlet.Hamlet;
import org.apache.hadoop.yarn.webapp.hamlet.Hamlet.TABLE;
import org.apache.hadoop.yarn.webapp.hamlet.Hamlet.TBODY;
import org.apache.hadoop.yarn.webapp.util.WebAppUtils;
import org.apache.hadoop.yarn.webapp.view.HtmlBlock;
import com.google.inject.Inject;
/**
* Shows application information specific to the fair
* scheduler as part of the fair scheduler page.
*/
public class FairSchedulerAppsBlock extends HtmlBlock {
final ConcurrentMap<ApplicationId, RMApp> apps;
final FairSchedulerInfo fsinfo;
final Configuration conf;
@Inject public FairSchedulerAppsBlock(RMContext rmContext,
ResourceManager rm, ViewContext ctx, Configuration conf) {
super(ctx);
FairScheduler scheduler = (FairScheduler) rm.getResourceScheduler();
fsinfo = new FairSchedulerInfo(scheduler);
apps = new ConcurrentHashMap<ApplicationId, RMApp>();
for (Map.Entry<ApplicationId, RMApp> entry : rmContext.getRMApps().entrySet()) {
if (!(RMAppState.NEW.equals(entry.getValue().getState())
|| RMAppState.NEW_SAVING.equals(entry.getValue().getState())
|| RMAppState.SUBMITTED.equals(entry.getValue().getState()))) {
apps.put(entry.getKey(), entry.getValue());
}
}
this.conf = conf;
}
@Override public void render(Block html) {
TBODY<TABLE<Hamlet>> tbody = html.
table("#apps").
thead().
tr().
th(".id", "ID").
th(".user", "User").
th(".name", "Name").
th(".type", "Application Type").
th(".queue", "Queue").
th(".fairshare", "Fair Share").
th(".starttime", "StartTime").
th(".finishtime", "FinishTime").
th(".state", "State").
th(".finalstatus", "FinalStatus").
th(".progress", "Progress").
th(".ui", "Tracking UI")._()._().
tbody();
Collection<YarnApplicationState> reqAppStates = null;
String reqStateString = $(APP_STATE);
if (reqStateString != null && !reqStateString.isEmpty()) {
String[] appStateStrings = reqStateString.split(",");
reqAppStates = new HashSet<YarnApplicationState>(appStateStrings.length);
for(String stateString : appStateStrings) {
reqAppStates.add(YarnApplicationState.valueOf(stateString));
}
}
StringBuilder appsTableData = new StringBuilder("[\n");
for (RMApp app : apps.values()) {
if (reqAppStates != null && !reqAppStates.contains(app.createApplicationState())) {
continue;
}
AppInfo appInfo = new AppInfo(app, true, WebAppUtils.getHttpSchemePrefix(conf));
String percent = String.format("%.1f", appInfo.getProgress());
ApplicationAttemptId attemptId = app.getCurrentAppAttempt().getAppAttemptId();
int fairShare = fsinfo.getAppFairShare(attemptId);
//AppID numerical value parsed by parseHadoopID in yarn.dt.plugins.js
appsTableData.append("[\"<a href='")
.append(url("app", appInfo.getAppId())).append("'>")
.append(appInfo.getAppId()).append("</a>\",\"")
.append(StringEscapeUtils.escapeJavaScript(StringEscapeUtils.escapeHtml(
appInfo.getUser()))).append("\",\"")
.append(StringEscapeUtils.escapeJavaScript(StringEscapeUtils.escapeHtml(
appInfo.getName()))).append("\",\"")
.append(StringEscapeUtils.escapeJavaScript(StringEscapeUtils.escapeHtml(
appInfo.getApplicationType()))).append("\",\"")
.append(StringEscapeUtils.escapeJavaScript(StringEscapeUtils.escapeHtml(
appInfo.getQueue()))).append("\",\"")
.append(fairShare).append("\",\"")
.append(appInfo.getStartTime()).append("\",\"")
.append(appInfo.getFinishTime()).append("\",\"")
.append(appInfo.getState()).append("\",\"")
.append(appInfo.getFinalStatus()).append("\",\"")
// Progress bar
.append("<br title='").append(percent)
.append("'> <div class='").append(C_PROGRESSBAR).append("' title='")
.append(join(percent, '%')).append("'> ").append("<div class='")
.append(C_PROGRESSBAR_VALUE).append("' style='")
.append(join("width:", percent, '%')).append("'> </div> </div>")
.append("\",\"<a href='");
String trackingURL =
!appInfo.isTrackingUrlReady()? "#" : appInfo.getTrackingUrlPretty();
appsTableData.append(trackingURL).append("'>")
.append(appInfo.getTrackingUI()).append("</a>\"],\n");
}
if(appsTableData.charAt(appsTableData.length() - 2) == ',') {
appsTableData.delete(appsTableData.length()-2, appsTableData.length()-1);
}
appsTableData.append("]");
html.script().$type("text/javascript").
_("var appsTableData=" + appsTableData)._();
tbody._()._();
}
}