| /** |
| * 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.webapp.log; |
| |
| import static org.apache.hadoop.yarn.webapp.YarnWebParams.APP_OWNER; |
| import static org.apache.hadoop.yarn.webapp.YarnWebParams.CONTAINER_ID; |
| import static org.apache.hadoop.yarn.webapp.YarnWebParams.ENTITY_STRING; |
| import static org.apache.hadoop.yarn.webapp.YarnWebParams.NM_NODENAME; |
| |
| import org.apache.hadoop.classification.InterfaceAudience; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.yarn.api.records.ApplicationId; |
| import org.apache.hadoop.yarn.api.records.ContainerId; |
| import org.apache.hadoop.yarn.api.records.NodeId; |
| import org.apache.hadoop.yarn.conf.YarnConfiguration; |
| import org.apache.hadoop.yarn.logaggregation.LogAggregationWebUtils; |
| import org.apache.hadoop.yarn.logaggregation.filecontroller.LogAggregationFileController; |
| import org.apache.hadoop.yarn.logaggregation.filecontroller.LogAggregationFileControllerFactory; |
| import org.apache.hadoop.yarn.webapp.view.HtmlBlock; |
| |
| import com.google.inject.Inject; |
| |
| @InterfaceAudience.LimitedPrivate({"YARN", "MapReduce"}) |
| public class AggregatedLogsBlock extends HtmlBlock { |
| |
| private final Configuration conf; |
| private final LogAggregationFileControllerFactory factory; |
| |
| @Inject |
| AggregatedLogsBlock(Configuration conf) { |
| this.conf = conf; |
| factory = new LogAggregationFileControllerFactory(conf); |
| } |
| |
| @Override |
| protected void render(Block html) { |
| ContainerId containerId = LogAggregationWebUtils |
| .verifyAndGetContainerId(html, $(CONTAINER_ID)); |
| NodeId nodeId = LogAggregationWebUtils |
| .verifyAndGetNodeId(html, $(NM_NODENAME)); |
| String appOwner = LogAggregationWebUtils |
| .verifyAndGetAppOwner(html, $(APP_OWNER)); |
| boolean isValid = true; |
| try { |
| LogAggregationWebUtils.getLogStartIndex( |
| html, $("start")); |
| } catch (NumberFormatException ne) { |
| html.h1()._("Invalid log start value: " + $("start"))._(); |
| isValid = false; |
| } |
| try { |
| LogAggregationWebUtils.getLogEndIndex( |
| html, $("end")); |
| } catch (NumberFormatException ne) { |
| html.h1()._("Invalid log end value: " + $("end"))._(); |
| isValid = false; |
| } |
| |
| if (containerId == null || nodeId == null || appOwner == null |
| || appOwner.isEmpty() || !isValid) { |
| return; |
| } |
| |
| ApplicationId applicationId = containerId.getApplicationAttemptId() |
| .getApplicationId(); |
| String logEntity = $(ENTITY_STRING); |
| if (logEntity == null || logEntity.isEmpty()) { |
| logEntity = containerId.toString(); |
| } |
| |
| String nmApplicationLogUrl = getApplicationLogURL(applicationId); |
| if (!conf.getBoolean(YarnConfiguration.LOG_AGGREGATION_ENABLED, |
| YarnConfiguration.DEFAULT_LOG_AGGREGATION_ENABLED)) { |
| html.h1() |
| ._("Aggregation is not enabled. Try the nodemanager at " + nodeId) |
| ._(); |
| if(nmApplicationLogUrl != null) { |
| html.h1() |
| ._("Or see application log at " + nmApplicationLogUrl) |
| ._(); |
| } |
| return; |
| } |
| |
| LogAggregationFileController fileController; |
| try { |
| fileController = this.factory.getFileControllerForRead( |
| applicationId, appOwner); |
| } catch (Exception fnf) { |
| html.h1() |
| ._("Logs not available for " + logEntity |
| + ". Aggregation may not be complete, " |
| + "Check back later or try the nodemanager at " + nodeId)._(); |
| if(nmApplicationLogUrl != null) { |
| html.h1() |
| ._("Or see application log at " + nmApplicationLogUrl) |
| ._(); |
| } |
| return; |
| } |
| |
| fileController.renderAggregatedLogsBlock(html, this.context()); |
| } |
| |
| private String getApplicationLogURL(ApplicationId applicationId) { |
| String appId = applicationId.toString(); |
| if (appId == null || appId.isEmpty()) { |
| return null; |
| } |
| String nodeId = $(NM_NODENAME); |
| if(nodeId == null || nodeId.isEmpty()) { |
| return null; |
| } |
| StringBuilder sb = new StringBuilder(); |
| String scheme = YarnConfiguration.useHttps(this.conf) ? "https://": |
| "http://"; |
| sb.append(scheme).append(nodeId).append("/node/application/").append(appId); |
| return sb.toString(); |
| } |
| } |