| /** |
| * 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.webapp.view.JQueryUI.DATATABLES_ID; |
| |
| import org.apache.hadoop.yarn.api.records.NodeLabel; |
| import org.apache.hadoop.yarn.nodelabels.RMNodeLabel; |
| import org.apache.hadoop.yarn.server.resourcemanager.ResourceManager; |
| import org.apache.hadoop.yarn.server.resourcemanager.nodelabels.RMNodeLabelsManager; |
| import org.apache.hadoop.yarn.webapp.SubView; |
| import org.apache.hadoop.yarn.webapp.YarnWebParams; |
| import org.apache.hadoop.yarn.webapp.hamlet2.Hamlet; |
| import org.apache.hadoop.yarn.webapp.hamlet2.Hamlet.TABLE; |
| import org.apache.hadoop.yarn.webapp.hamlet2.Hamlet.TBODY; |
| import org.apache.hadoop.yarn.webapp.hamlet2.Hamlet.TR; |
| import org.apache.hadoop.yarn.webapp.view.HtmlBlock; |
| |
| import com.google.inject.Inject; |
| |
| public class NodeLabelsPage extends RmView { |
| static class NodeLabelsBlock extends HtmlBlock { |
| final ResourceManager rm; |
| |
| @Inject |
| NodeLabelsBlock(ResourceManager rm, ViewContext ctx) { |
| super(ctx); |
| this.rm = rm; |
| } |
| |
| @Override |
| protected void render(Block html) { |
| TBODY<TABLE<Hamlet>> tbody = html.table("#nodelabels"). |
| thead(). |
| tr(). |
| th(".name", "Label Name"). |
| th(".type", "Label Type"). |
| th(".numOfActiveNMs", "Num Of Active NMs"). |
| th(".totalResource", "Total Resource"). |
| __().__(). |
| tbody(); |
| |
| RMNodeLabelsManager nlm = rm.getRMContext().getNodeLabelManager(); |
| for (RMNodeLabel info : nlm.pullRMNodeLabelsInfo()) { |
| TR<TBODY<TABLE<Hamlet>>> row = |
| tbody.tr().td(info.getLabelName().isEmpty() |
| ? NodeLabel.DEFAULT_NODE_LABEL_PARTITION : info.getLabelName()); |
| String type = |
| (info.getIsExclusive()) ? "Exclusive Partition" |
| : "Non Exclusive Partition"; |
| row = row.td(type); |
| int nActiveNMs = info.getNumActiveNMs(); |
| if (nActiveNMs > 0) { |
| row = row.td() |
| .a(url("nodes", |
| "?" + YarnWebParams.NODE_LABEL + "=" + info.getLabelName()), |
| String.valueOf(nActiveNMs)) |
| .__(); |
| } else { |
| row = row.td(String.valueOf(nActiveNMs)); |
| } |
| row.td(info.getResource().toString()).__(); |
| } |
| tbody.__().__(); |
| } |
| } |
| |
| @Override protected void preHead(Page.HTML<__> html) { |
| commonPreHead(html); |
| String title = "Node labels of the cluster"; |
| setTitle(title); |
| set(DATATABLES_ID, "nodelabels"); |
| setTableStyles(html, "nodelabels", ".healthStatus {width:10em}", |
| ".healthReport {width:10em}"); |
| } |
| |
| @Override protected Class<? extends SubView> content() { |
| return NodeLabelsBlock.class; |
| } |
| } |