| /** |
| * 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; |
| |
| import java.io.IOException; |
| import java.io.PrintWriter; |
| |
| import javax.inject.Inject; |
| import javax.inject.Singleton; |
| import javax.servlet.FilterChain; |
| import javax.servlet.ServletException; |
| import javax.servlet.http.HttpServletRequest; |
| import javax.servlet.http.HttpServletResponse; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.http.HtmlQuoting; |
| import org.apache.hadoop.yarn.api.records.ApplicationId; |
| import org.apache.hadoop.yarn.api.records.ContainerId; |
| import org.apache.hadoop.yarn.conf.YarnConfiguration; |
| import org.apache.hadoop.yarn.server.nodemanager.Context; |
| import org.apache.hadoop.yarn.server.nodemanager.containermanager.application.Application; |
| import org.apache.hadoop.yarn.webapp.Controller.RequestContext; |
| import com.google.inject.Injector; |
| import com.sun.jersey.guice.spi.container.servlet.GuiceContainer; |
| import org.apache.hadoop.yarn.webapp.util.WebAppUtils; |
| |
| @Singleton |
| public class NMWebAppFilter extends GuiceContainer{ |
| |
| private Injector injector; |
| private Context nmContext; |
| |
| private static final long serialVersionUID = 1L; |
| |
| @Inject |
| public NMWebAppFilter(Injector injector, Context nmContext) { |
| super(injector); |
| this.injector = injector; |
| this.nmContext = nmContext; |
| } |
| |
| @Override |
| public void doFilter(HttpServletRequest request, |
| HttpServletResponse response, FilterChain chain) throws IOException, |
| ServletException { |
| String redirectPath = containerLogPageRedirectPath(request); |
| if (redirectPath != null) { |
| String redirectMsg = |
| "Redirecting to log server" + " : " + redirectPath; |
| PrintWriter out = response.getWriter(); |
| out.println(redirectMsg); |
| response.setHeader("Location", redirectPath); |
| response.setStatus(HttpServletResponse.SC_TEMPORARY_REDIRECT); |
| return; |
| } |
| super.doFilter(request, response, chain); |
| } |
| |
| private String containerLogPageRedirectPath(HttpServletRequest request) { |
| String uri = HtmlQuoting.quoteHtmlChars(request.getRequestURI()); |
| String redirectPath = null; |
| if (!uri.contains("/ws/v1/node") && uri.contains("/containerlogs")) { |
| String[] parts = uri.split("/"); |
| String containerIdStr = parts[3]; |
| String appOwner = parts[4]; |
| String logType = null; |
| if (parts.length > 5) { |
| logType = parts[5]; |
| } |
| if (containerIdStr != null && !containerIdStr.isEmpty()) { |
| ContainerId containerId = null; |
| try { |
| containerId = ContainerId.fromString(containerIdStr); |
| } catch (IllegalArgumentException ex) { |
| return redirectPath; |
| } |
| ApplicationId appId = |
| containerId.getApplicationAttemptId().getApplicationId(); |
| Application app = nmContext.getApplications().get(appId); |
| Configuration nmConf = nmContext.getLocalDirsHandler().getConfig(); |
| if (app == null |
| && nmConf.getBoolean(YarnConfiguration.LOG_AGGREGATION_ENABLED, |
| YarnConfiguration.DEFAULT_LOG_AGGREGATION_ENABLED)) { |
| String logServerUrl = |
| nmConf.get(YarnConfiguration.YARN_LOG_SERVER_URL); |
| if (logServerUrl != null && !logServerUrl.isEmpty()) { |
| StringBuilder sb = new StringBuilder(); |
| sb.append(logServerUrl); |
| sb.append("/"); |
| sb.append(nmContext.getNodeId().toString()); |
| sb.append("/"); |
| sb.append(containerIdStr); |
| sb.append("/"); |
| sb.append(containerIdStr); |
| sb.append("/"); |
| sb.append(appOwner); |
| if (logType != null && !logType.isEmpty()) { |
| sb.append("/"); |
| sb.append(logType); |
| } |
| redirectPath = |
| WebAppUtils.appendQueryParams(request, sb.toString()); |
| } else { |
| injector.getInstance(RequestContext.class).set( |
| ContainerLogsPage.REDIRECT_URL, "false"); |
| } |
| } |
| } |
| } |
| return redirectPath; |
| } |
| } |