| /* |
| * 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.storm.daemon.logviewer.webapp; |
| |
| import static org.apache.storm.DaemonConfig.LOGVIEWER_APPENDER_NAME; |
| |
| import java.io.File; |
| import java.nio.file.Paths; |
| import java.util.HashSet; |
| import java.util.Map; |
| import java.util.Set; |
| |
| import javax.ws.rs.ApplicationPath; |
| import javax.ws.rs.core.Application; |
| |
| import org.apache.logging.log4j.LogManager; |
| import org.apache.logging.log4j.core.Appender; |
| import org.apache.logging.log4j.core.LoggerContext; |
| import org.apache.logging.log4j.core.appender.RollingFileAppender; |
| import org.apache.storm.daemon.common.AuthorizationExceptionMapper; |
| import org.apache.storm.daemon.logviewer.handler.LogviewerLogDownloadHandler; |
| import org.apache.storm.daemon.logviewer.handler.LogviewerLogPageHandler; |
| import org.apache.storm.daemon.logviewer.handler.LogviewerLogSearchHandler; |
| import org.apache.storm.daemon.logviewer.handler.LogviewerProfileHandler; |
| import org.apache.storm.daemon.logviewer.utils.ResourceAuthorizer; |
| import org.apache.storm.daemon.logviewer.utils.WorkerLogs; |
| import org.apache.storm.metric.StormMetricsRegistry; |
| import org.apache.storm.security.auth.IHttpCredentialsPlugin; |
| import org.apache.storm.security.auth.ServerAuthUtils; |
| import org.apache.storm.utils.ConfigUtils; |
| import org.apache.storm.utils.ObjectReader; |
| |
| @ApplicationPath("") |
| public class LogviewerApplication extends Application { |
| private static Map<String, Object> stormConf; |
| private static StormMetricsRegistry metricsRegistry; |
| private final Set<Object> singletons = new HashSet<>(); |
| |
| /** |
| * Constructor. |
| */ |
| public LogviewerApplication() { |
| String logRoot = ConfigUtils.workerArtifactsRoot(stormConf); |
| String daemonLogRoot = logRootDir(ObjectReader.getString(stormConf.get(LOGVIEWER_APPENDER_NAME))); |
| |
| ResourceAuthorizer resourceAuthorizer = new ResourceAuthorizer(stormConf); |
| WorkerLogs workerLogs = new WorkerLogs(stormConf, Paths.get(logRoot), metricsRegistry); |
| |
| LogviewerLogPageHandler logviewer = new LogviewerLogPageHandler(logRoot, daemonLogRoot, workerLogs, resourceAuthorizer, |
| metricsRegistry); |
| LogviewerProfileHandler profileHandler = new LogviewerProfileHandler(logRoot, resourceAuthorizer, metricsRegistry); |
| LogviewerLogDownloadHandler logDownloadHandler = new LogviewerLogDownloadHandler(logRoot, daemonLogRoot, |
| workerLogs, resourceAuthorizer, metricsRegistry); |
| LogviewerLogSearchHandler logSearchHandler = new LogviewerLogSearchHandler(stormConf, Paths.get(logRoot), Paths.get(daemonLogRoot), |
| resourceAuthorizer, metricsRegistry); |
| IHttpCredentialsPlugin httpCredsHandler = ServerAuthUtils.getUiHttpCredentialsPlugin(stormConf); |
| |
| singletons.add(new LogviewerResource(logviewer, profileHandler, logDownloadHandler, logSearchHandler, |
| httpCredsHandler, metricsRegistry)); |
| singletons.add(new AuthorizationExceptionMapper()); |
| } |
| |
| @Override |
| public Set<Object> getSingletons() { |
| return singletons; |
| } |
| |
| /** |
| * Spot to inject storm configuration before initializing LogviewerApplication instance. |
| * |
| * @param stormConf storm configuration |
| * @param metricRegistry The metrics registry |
| */ |
| public static void setup(Map<String, Object> stormConf, StormMetricsRegistry metricRegistry) { |
| LogviewerApplication.stormConf = stormConf; |
| LogviewerApplication.metricsRegistry = metricRegistry; |
| } |
| |
| /** |
| * Given an appender name, as configured, get the parent directory of the appender's log file. |
| * Note that if anything goes wrong, this will throw an Error and exit. |
| */ |
| private String logRootDir(String appenderName) { |
| Appender appender = ((LoggerContext) LogManager.getContext()).getConfiguration().getAppender(appenderName); |
| if (appenderName != null && appender != null && RollingFileAppender.class.isInstance(appender)) { |
| return new File(((RollingFileAppender) appender).getFileName()).getParent(); |
| } else { |
| throw new RuntimeException("Log viewer could not find configured appender, or the appender is not a FileAppender. " |
| + "Please check that the appender name configured in storm and log4j agree."); |
| } |
| } |
| |
| } |