| /** |
| * 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 java.util.Collection; |
| |
| import org.apache.hadoop.yarn.server.resourcemanager.ResourceManager; |
| import org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler; |
| import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.FairSchedulerInfo; |
| import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.FairSchedulerLeafQueueInfo; |
| import org.apache.hadoop.yarn.server.resourcemanager.webapp.dao.FairSchedulerQueueInfo; |
| import org.apache.hadoop.yarn.webapp.ResponseInfo; |
| import org.apache.hadoop.yarn.webapp.SubView; |
| import org.apache.hadoop.yarn.webapp.hamlet.Hamlet; |
| import org.apache.hadoop.yarn.webapp.hamlet.Hamlet.DIV; |
| import org.apache.hadoop.yarn.webapp.hamlet.Hamlet.LI; |
| import org.apache.hadoop.yarn.webapp.hamlet.Hamlet.UL; |
| import org.apache.hadoop.yarn.webapp.view.HtmlBlock; |
| import org.apache.hadoop.yarn.webapp.view.InfoBlock; |
| |
| import com.google.inject.Inject; |
| import com.google.inject.servlet.RequestScoped; |
| |
| public class FairSchedulerPage extends RmView { |
| static final String _Q = ".ui-state-default.ui-corner-all"; |
| static final float Q_MAX_WIDTH = 0.8f; |
| static final float Q_STATS_POS = Q_MAX_WIDTH + 0.05f; |
| static final String Q_END = "left:101%"; |
| static final String Q_GIVEN = "left:0%;background:none;border:1px dashed rgba(0,0,0,0.25)"; |
| static final String Q_OVER = "background:rgba(255, 140, 0, 0.8)"; |
| static final String Q_UNDER = "background:rgba(50, 205, 50, 0.8)"; |
| |
| @RequestScoped |
| static class FSQInfo { |
| FairSchedulerQueueInfo qinfo; |
| } |
| |
| static class LeafQueueBlock extends HtmlBlock { |
| final FairSchedulerLeafQueueInfo qinfo; |
| |
| @Inject LeafQueueBlock(ViewContext ctx, FSQInfo info) { |
| super(ctx); |
| qinfo = (FairSchedulerLeafQueueInfo)info.qinfo; |
| } |
| |
| @Override |
| protected void render(Block html) { |
| ResponseInfo ri = info("\'" + qinfo.getQueueName() + "\' Queue Status"). |
| _("Used Resources:", qinfo.getUsedResources().toString()). |
| _("Num Active Applications:", qinfo.getNumActiveApplications()). |
| _("Num Pending Applications:", qinfo.getNumPendingApplications()). |
| _("Min Resources:", qinfo.getMinResources().toString()). |
| _("Max Resources:", qinfo.getMaxResources().toString()); |
| int maxApps = qinfo.getMaxApplications(); |
| if (maxApps < Integer.MAX_VALUE) { |
| ri._("Max Running Applications:", qinfo.getMaxApplications()); |
| } |
| ri._("Fair Share:", qinfo.getFairShare()); |
| |
| html._(InfoBlock.class); |
| |
| // clear the info contents so this queue's info doesn't accumulate into another queue's info |
| ri.clear(); |
| } |
| } |
| |
| static class QueueBlock extends HtmlBlock { |
| final FSQInfo fsqinfo; |
| |
| @Inject QueueBlock(FSQInfo info) { |
| fsqinfo = info; |
| } |
| |
| @Override |
| public void render(Block html) { |
| Collection<FairSchedulerQueueInfo> subQueues = fsqinfo.qinfo.getChildQueues(); |
| UL<Hamlet> ul = html.ul("#pq"); |
| for (FairSchedulerQueueInfo info : subQueues) { |
| float capacity = info.getMaxResourcesFraction(); |
| float fairShare = info.getFairShareFraction(); |
| float used = info.getUsedFraction(); |
| LI<UL<Hamlet>> li = ul. |
| li(). |
| a(_Q).$style(width(capacity * Q_MAX_WIDTH)). |
| $title(join("Fair Share:", percent(fairShare))). |
| span().$style(join(Q_GIVEN, ";font-size:1px;", width(fairShare/capacity))). |
| _('.')._(). |
| span().$style(join(width(used/capacity), |
| ";font-size:1px;left:0%;", used > fairShare ? Q_OVER : Q_UNDER)). |
| _('.')._(). |
| span(".q", info.getQueueName())._(). |
| span().$class("qstats").$style(left(Q_STATS_POS)). |
| _(join(percent(used), " used"))._(); |
| |
| fsqinfo.qinfo = info; |
| if (info instanceof FairSchedulerLeafQueueInfo) { |
| li.ul("#lq").li()._(LeafQueueBlock.class)._()._(); |
| } else { |
| li._(QueueBlock.class); |
| } |
| li._(); |
| } |
| |
| ul._(); |
| } |
| } |
| |
| static class QueuesBlock extends HtmlBlock { |
| final FairScheduler fs; |
| final FSQInfo fsqinfo; |
| |
| @Inject QueuesBlock(ResourceManager rm, FSQInfo info) { |
| fs = (FairScheduler)rm.getResourceScheduler(); |
| fsqinfo = info; |
| } |
| |
| @Override |
| public void render(Block html) { |
| html._(MetricsOverviewTable.class); |
| UL<DIV<DIV<Hamlet>>> ul = html. |
| div("#cs-wrapper.ui-widget"). |
| div(".ui-widget-header.ui-corner-top"). |
| _("Application Queues")._(). |
| div("#cs.ui-widget-content.ui-corner-bottom"). |
| ul(); |
| if (fs == null) { |
| ul. |
| li(). |
| a(_Q).$style(width(Q_MAX_WIDTH)). |
| span().$style(Q_END)._("100% ")._(). |
| span(".q", "default")._()._(); |
| } else { |
| FairSchedulerInfo sinfo = new FairSchedulerInfo(fs); |
| fsqinfo.qinfo = sinfo.getRootQueueInfo(); |
| float used = fsqinfo.qinfo.getUsedFraction(); |
| |
| ul. |
| li().$style("margin-bottom: 1em"). |
| span().$style("font-weight: bold")._("Legend:")._(). |
| span().$class("qlegend ui-corner-all").$style(Q_GIVEN). |
| _("Fair Share")._(). |
| span().$class("qlegend ui-corner-all").$style(Q_UNDER). |
| _("Used")._(). |
| span().$class("qlegend ui-corner-all").$style(Q_OVER). |
| _("Used (over fair share)")._(). |
| span().$class("qlegend ui-corner-all ui-state-default"). |
| _("Max Capacity")._(). |
| _(). |
| li(). |
| a(_Q).$style(width(Q_MAX_WIDTH)). |
| span().$style(join(width(used), ";left:0%;", |
| used > 1 ? Q_OVER : Q_UNDER))._(".")._(). |
| span(".q", "root")._(). |
| span().$class("qstats").$style(left(Q_STATS_POS)). |
| _(join(percent(used), " used"))._(). |
| _(QueueBlock.class)._(); |
| } |
| ul._()._(). |
| script().$type("text/javascript"). |
| _("$('#cs').hide();")._()._(). |
| _(FairSchedulerAppsBlock.class); |
| } |
| } |
| |
| @Override protected void postHead(Page.HTML<_> html) { |
| html. |
| style().$type("text/css"). |
| _("#cs { padding: 0.5em 0 1em 0; margin-bottom: 1em; position: relative }", |
| "#cs ul { list-style: none }", |
| "#cs a { font-weight: normal; margin: 2px; position: relative }", |
| "#cs a span { font-weight: normal; font-size: 80% }", |
| "#cs-wrapper .ui-widget-header { padding: 0.2em 0.5em }", |
| ".qstats { font-weight: normal; font-size: 80%; position: absolute }", |
| ".qlegend { font-weight: normal; padding: 0 1em; margin: 1em }", |
| "table.info tr th {width: 50%}")._(). // to center info table |
| script("/static/jt/jquery.jstree.js"). |
| script().$type("text/javascript"). |
| _("$(function() {", |
| " $('#cs a span').addClass('ui-corner-all').css('position', 'absolute');", |
| " $('#cs').bind('loaded.jstree', function (e, data) {", |
| " data.inst.open_node('#pq', true);", |
| " }).", |
| " jstree({", |
| " core: { animation: 188, html_titles: true },", |
| " plugins: ['themeroller', 'html_data', 'ui'],", |
| " themeroller: { item_open: 'ui-icon-minus',", |
| " item_clsd: 'ui-icon-plus', item_leaf: 'ui-icon-gear'", |
| " }", |
| " });", |
| " $('#cs').bind('select_node.jstree', function(e, data) {", |
| " var q = $('.q', data.rslt.obj).first().text();", |
| " if (q == 'root') q = '';", |
| " else q = '^' + q.substr(q.lastIndexOf('.') + 1) + '$';", |
| " $('#apps').dataTable().fnFilter(q, 3, true);", |
| " });", |
| " $('#cs').show();", |
| "});")._(); |
| } |
| |
| @Override protected Class<? extends SubView> content() { |
| return QueuesBlock.class; |
| } |
| |
| static String percent(float f) { |
| return String.format("%.1f%%", f * 100); |
| } |
| |
| static String width(float f) { |
| return String.format("width:%.1f%%", f * 100); |
| } |
| |
| static String left(float f) { |
| return String.format("left:%.1f%%", f * 100); |
| } |
| |
| @Override |
| protected String getAppsTableColumnDefs() { |
| StringBuilder sb = new StringBuilder(); |
| return sb |
| .append("[\n") |
| .append("{'sType':'numeric', 'aTargets': [0]") |
| .append(", 'mRender': parseHadoopID }") |
| |
| .append("\n, {'sType':'numeric', 'aTargets': [5, 6]") |
| .append(", 'mRender': renderHadoopDate }") |
| |
| .append("\n, {'sType':'numeric', bSearchable:false, 'aTargets': [9]") |
| .append(", 'mRender': parseHadoopProgress }]").toString(); |
| } |
| } |
