| /** |
| * 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.nodemanager.webapp.dao; |
| |
| import java.io.File; |
| import java.util.ArrayList; |
| import java.util.List; |
| import javax.xml.bind.annotation.XmlAccessType; |
| import javax.xml.bind.annotation.XmlAccessorType; |
| import javax.xml.bind.annotation.XmlRootElement; |
| import org.apache.hadoop.yarn.api.records.ContainerId; |
| import org.apache.hadoop.yarn.exceptions.YarnException; |
| import org.apache.hadoop.yarn.logaggregation.ContainerLogAggregationType; |
| import org.apache.hadoop.yarn.logaggregation.ContainerLogFileInfo; |
| import org.apache.hadoop.yarn.server.nodemanager.Context; |
| import org.apache.hadoop.yarn.server.nodemanager.webapp.ContainerLogsUtils; |
| import org.apache.hadoop.yarn.server.webapp.dao.ContainerLogsInfo; |
| import org.apache.hadoop.yarn.util.Times; |
| |
| /** |
| * NMContainerLogsInfo represents the meta data for container logs |
| * which exist in NM local log directory. |
| * This class extends {@link ContainerLogsInfo}. |
| */ |
| @XmlRootElement(name = "containerLogsInfo") |
| @XmlAccessorType(XmlAccessType.FIELD) |
| public class NMContainerLogsInfo extends ContainerLogsInfo { |
| |
| //JAXB needs this |
| public NMContainerLogsInfo() {} |
| |
| public NMContainerLogsInfo(final Context nmContext, |
| final ContainerId containerId, String remoteUser, |
| ContainerLogAggregationType logType) throws YarnException { |
| this.logType = logType.toString(); |
| this.containerId = containerId.toString(); |
| this.nodeId = nmContext.getNodeId().toString(); |
| this.containerLogsInfo = getContainerLogsInfo( |
| containerId, remoteUser, nmContext); |
| } |
| |
| private static List<ContainerLogFileInfo> getContainerLogsInfo( |
| ContainerId id, String remoteUser, Context nmContext) |
| throws YarnException { |
| List<ContainerLogFileInfo> logFiles = new ArrayList<>(); |
| List<File> logDirs = ContainerLogsUtils.getContainerLogDirs( |
| id, remoteUser, nmContext); |
| for (File containerLogsDir : logDirs) { |
| File[] logs = containerLogsDir.listFiles(); |
| if (logs != null) { |
| for (File log : logs) { |
| if (log.isFile()) { |
| ContainerLogFileInfo logMeta = new ContainerLogFileInfo( |
| log.getName(), Long.toString(log.length()), |
| Times.format(log.lastModified())); |
| logFiles.add(logMeta); |
| } |
| } |
| } |
| } |
| return logFiles; |
| } |
| } |