| /** |
| * 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.router.webapp; |
| |
| import static org.apache.commons.lang.StringEscapeUtils.escapeHtml; |
| import static org.apache.commons.lang.StringEscapeUtils.escapeJavaScript; |
| import static org.apache.hadoop.yarn.util.StringHelper.join; |
| import static org.apache.hadoop.yarn.webapp.view.JQueryUI.C_PROGRESSBAR; |
| import static org.apache.hadoop.yarn.webapp.view.JQueryUI.C_PROGRESSBAR_VALUE; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.yarn.server.resourcemanager.webapp.RMWSConsts; |
| import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.AppInfo; |
| import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.AppsInfo; |
| import org.apache.hadoop.yarn.server.router.Router; |
| 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; |
| |
| /** |
| * Applications block for the Router Web UI. |
| */ |
| public class AppsBlock extends HtmlBlock { |
| private final Router router; |
| |
| @Inject |
| AppsBlock(Router router, ViewContext ctx) { |
| super(ctx); |
| this.router = router; |
| } |
| |
| @Override |
| protected void render(Block html) { |
| // Get the applications from the Resource Managers |
| Configuration conf = this.router.getConfig(); |
| String webAppAddress = WebAppUtils.getRouterWebAppURLWithScheme(conf); |
| AppsInfo apps = RouterWebServiceUtil.genericForward(webAppAddress, null, |
| AppsInfo.class, HTTPMethods.GET, |
| RMWSConsts.RM_WEB_SERVICE_PATH + RMWSConsts.APPS, null, null); |
| |
| setTitle("Applications"); |
| |
| 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(".priority", "Application Priority") |
| .th(".starttime", "StartTime") |
| .th(".finishtime", "FinishTime") |
| .th(".state", "State") |
| .th(".finalstatus", "FinalStatus") |
| .th(".progress", "Progress") |
| .th(".ui", "Tracking UI") |
| ._()._().tbody(); |
| |
| // Render the applications |
| StringBuilder appsTableData = new StringBuilder("[\n"); |
| for (AppInfo app : apps.getApps()) { |
| try { |
| |
| String percent = String.format("%.1f", app.getProgress() * 100.0F); |
| String trackingURL = |
| app.getTrackingUrl() == null ? "#" : app.getTrackingUrl(); |
| // AppID numerical value parsed by parseHadoopID in yarn.dt.plugins.js |
| appsTableData.append("[\"") |
| .append("<a href='").append(trackingURL).append("'>") |
| .append(app.getAppId()).append("</a>\",\"") |
| .append(escape(app.getUser())).append("\",\"") |
| .append(escape(app.getName())).append("\",\"") |
| .append(escape(app.getApplicationType())).append("\",\"") |
| .append(escape(app.getQueue())).append("\",\"") |
| .append(String.valueOf(app.getPriority())).append("\",\"") |
| .append(app.getStartTime()).append("\",\"") |
| .append(app.getFinishTime()).append("\",\"") |
| .append(app.getState()).append("\",\"") |
| .append(app.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>") |
| // History link |
| .append("\",\"<a href='").append(trackingURL).append("'>") |
| .append("History").append("</a>"); |
| appsTableData.append("\"],\n"); |
| |
| } catch (Exception e) { |
| LOG.info( |
| "Cannot add application {}: {}", app.getAppId(), e.getMessage()); |
| } |
| } |
| 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._()._(); |
| } |
| |
| private static String escape(String str) { |
| return escapeJavaScript(escapeHtml(str)); |
| } |
| } |