| /** |
| * 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.sharedcachemanager.webapp; |
| |
| import static org.apache.hadoop.yarn.webapp.view.JQueryUI.ACCORDION; |
| import static org.apache.hadoop.yarn.webapp.view.JQueryUI.ACCORDION_ID; |
| import static org.apache.hadoop.yarn.webapp.view.JQueryUI.initID; |
| |
| import org.apache.hadoop.classification.InterfaceAudience.Private; |
| import org.apache.hadoop.classification.InterfaceStability.Unstable; |
| import org.apache.hadoop.yarn.server.sharedcachemanager.SharedCacheManager; |
| import org.apache.hadoop.yarn.server.sharedcachemanager.metrics.CleanerMetrics; |
| import org.apache.hadoop.yarn.server.sharedcachemanager.metrics.ClientSCMMetrics; |
| import org.apache.hadoop.yarn.server.sharedcachemanager.metrics.SharedCacheUploaderMetrics; |
| import org.apache.hadoop.yarn.util.Times; |
| import org.apache.hadoop.yarn.webapp.SubView; |
| import org.apache.hadoop.yarn.webapp.view.HtmlBlock; |
| import org.apache.hadoop.yarn.webapp.view.InfoBlock; |
| import org.apache.hadoop.yarn.webapp.view.TwoColumnLayout; |
| |
| import com.google.inject.Inject; |
| |
| /** |
| * This class is to render the shared cache manager web ui overview page. |
| */ |
| @Private |
| @Unstable |
| public class SCMOverviewPage extends TwoColumnLayout { |
| |
| @Override protected void preHead(Page.HTML<_> html) { |
| set(ACCORDION_ID, "nav"); |
| set(initID(ACCORDION, "nav"), "{autoHeight:false, active:0}"); |
| } |
| |
| @Override protected Class<? extends SubView> content() { |
| return SCMOverviewBlock.class; |
| } |
| |
| @Override |
| protected Class<? extends SubView> nav() { |
| return SCMOverviewNavBlock.class; |
| } |
| |
| static private class SCMOverviewNavBlock extends HtmlBlock { |
| @Override |
| protected void render(Block html) { |
| html.div("#nav").h3("Tools").ul().li().a("/conf", "Configuration")._() |
| .li().a("/stacks", "Thread dump")._().li().a("/logs", "Logs")._() |
| .li().a("/metrics", "Metrics")._()._()._(); |
| } |
| } |
| |
| static private class SCMOverviewBlock extends HtmlBlock { |
| final SharedCacheManager scm; |
| |
| @Inject |
| SCMOverviewBlock(SharedCacheManager scm, ViewContext ctx) { |
| super(ctx); |
| this.scm = scm; |
| } |
| |
| @Override |
| protected void render(Block html) { |
| SCMMetricsInfo metricsInfo = new SCMMetricsInfo( |
| CleanerMetrics.getInstance(), ClientSCMMetrics.getInstance(), |
| SharedCacheUploaderMetrics.getInstance()); |
| info("Shared Cache Manager overview"). |
| _("Started on:", Times.format(scm.getStartTime())). |
| _("Cache hits: ", metricsInfo.getCacheHits()). |
| _("Cache misses: ", metricsInfo.getCacheMisses()). |
| _("Cache releases: ", metricsInfo.getCacheReleases()). |
| _("Accepted uploads: ", metricsInfo.getAcceptedUploads()). |
| _("Rejected uploads: ", metricsInfo.getRejectUploads()). |
| _("Deleted files by the cleaner: ", metricsInfo.getTotalDeletedFiles()). |
| _("Processed files by the cleaner: ", metricsInfo.getTotalProcessedFiles()); |
| html._(InfoBlock.class); |
| } |
| } |
| } |