| /** |
| * 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.applicationhistoryservice; |
| |
| import java.io.IOException; |
| import java.net.InetSocketAddress; |
| import java.util.ArrayList; |
| |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.hadoop.classification.InterfaceAudience.Private; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.http.HttpServer2; |
| import org.apache.hadoop.metrics2.lib.DefaultMetricsSystem; |
| import org.apache.hadoop.metrics2.source.JvmMetrics; |
| import org.apache.hadoop.security.AuthenticationFilterInitializer; |
| import org.apache.hadoop.security.HttpCrossOriginFilterInitializer; |
| import org.apache.hadoop.security.SecurityUtil; |
| import org.apache.hadoop.service.CompositeService; |
| import org.apache.hadoop.service.Service; |
| import org.apache.hadoop.util.ExitUtil; |
| import org.apache.hadoop.util.GenericOptionsParser; |
| import org.apache.hadoop.util.JvmPauseMonitor; |
| import org.apache.hadoop.util.ReflectionUtils; |
| import org.apache.hadoop.util.ShutdownHookManager; |
| import org.apache.hadoop.util.StringUtils; |
| import org.apache.hadoop.yarn.YarnUncaughtExceptionHandler; |
| import org.apache.hadoop.yarn.conf.YarnConfiguration; |
| import org.apache.hadoop.yarn.exceptions.YarnRuntimeException; |
| import org.apache.hadoop.yarn.server.applicationhistoryservice.webapp.AHSWebApp; |
| import org.apache.hadoop.yarn.server.security.ApplicationACLsManager; |
| import org.apache.hadoop.yarn.server.timeline.LeveldbTimelineStore; |
| import org.apache.hadoop.yarn.server.timeline.TimelineDataManager; |
| import org.apache.hadoop.yarn.server.timeline.TimelineStore; |
| import org.apache.hadoop.yarn.server.timeline.security.TimelineACLsManager; |
| import org.apache.hadoop.yarn.server.timeline.security.TimelineAuthenticationFilter; |
| import org.apache.hadoop.yarn.server.timeline.security.TimelineAuthenticationFilterInitializer; |
| import org.apache.hadoop.yarn.server.timeline.security.TimelineDelegationTokenSecretManagerService; |
| import org.apache.hadoop.yarn.server.timeline.webapp.CrossOriginFilterInitializer; |
| import org.apache.hadoop.yarn.webapp.WebApp; |
| import org.apache.hadoop.yarn.webapp.WebApps; |
| import org.apache.hadoop.yarn.webapp.util.WebAppUtils; |
| import org.mortbay.jetty.servlet.FilterHolder; |
| import org.mortbay.jetty.webapp.WebAppContext; |
| |
| import com.google.common.annotations.VisibleForTesting; |
| |
| /** |
| * History server that keeps track of all types of history in the cluster. |
| * Application specific history to start with. |
| */ |
| public class ApplicationHistoryServer extends CompositeService { |
| |
| public static final int SHUTDOWN_HOOK_PRIORITY = 30; |
| private static final Log LOG = LogFactory |
| .getLog(ApplicationHistoryServer.class); |
| |
| private ApplicationHistoryClientService ahsClientService; |
| private ApplicationACLsManager aclsManager; |
| private ApplicationHistoryManager historyManager; |
| private TimelineStore timelineStore; |
| private TimelineDelegationTokenSecretManagerService secretManagerService; |
| private TimelineDataManager timelineDataManager; |
| private WebApp webApp; |
| private JvmPauseMonitor pauseMonitor; |
| |
| public ApplicationHistoryServer() { |
| super(ApplicationHistoryServer.class.getName()); |
| } |
| |
| @Override |
| protected void serviceInit(Configuration conf) throws Exception { |
| // init timeline services first |
| timelineStore = createTimelineStore(conf); |
| addIfService(timelineStore); |
| secretManagerService = createTimelineDelegationTokenSecretManagerService(conf); |
| addService(secretManagerService); |
| timelineDataManager = createTimelineDataManager(conf); |
| addService(timelineDataManager); |
| |
| // init generic history service afterwards |
| aclsManager = createApplicationACLsManager(conf); |
| historyManager = createApplicationHistoryManager(conf); |
| ahsClientService = createApplicationHistoryClientService(historyManager); |
| addService(ahsClientService); |
| addService((Service) historyManager); |
| |
| DefaultMetricsSystem.initialize("ApplicationHistoryServer"); |
| JvmMetrics jm = JvmMetrics.initSingleton("ApplicationHistoryServer", null); |
| pauseMonitor = new JvmPauseMonitor(conf); |
| jm.setPauseMonitor(pauseMonitor); |
| super.serviceInit(conf); |
| } |
| |
| @Override |
| protected void serviceStart() throws Exception { |
| try { |
| doSecureLogin(getConfig()); |
| } catch(IOException ie) { |
| throw new YarnRuntimeException("Failed to login", ie); |
| } |
| |
| if (pauseMonitor != null) { |
| pauseMonitor.start(); |
| } |
| super.serviceStart(); |
| startWebApp(); |
| } |
| |
| @Override |
| protected void serviceStop() throws Exception { |
| if (webApp != null) { |
| webApp.stop(); |
| } |
| if (pauseMonitor != null) { |
| pauseMonitor.stop(); |
| } |
| DefaultMetricsSystem.shutdown(); |
| super.serviceStop(); |
| } |
| |
| @Private |
| @VisibleForTesting |
| ApplicationHistoryClientService getClientService() { |
| return this.ahsClientService; |
| } |
| |
| @Private |
| @VisibleForTesting |
| public int getPort() { |
| return this.webApp.httpServer().getConnectorAddress(0).getPort(); |
| } |
| |
| /** |
| * @return ApplicationTimelineStore |
| */ |
| @Private |
| @VisibleForTesting |
| public TimelineStore getTimelineStore() { |
| return timelineStore; |
| } |
| |
| @Private |
| @VisibleForTesting |
| ApplicationHistoryManager getApplicationHistoryManager() { |
| return this.historyManager; |
| } |
| |
| static ApplicationHistoryServer launchAppHistoryServer(String[] args) { |
| Thread |
| .setDefaultUncaughtExceptionHandler(new YarnUncaughtExceptionHandler()); |
| StringUtils.startupShutdownMessage(ApplicationHistoryServer.class, args, |
| LOG); |
| ApplicationHistoryServer appHistoryServer = null; |
| try { |
| appHistoryServer = new ApplicationHistoryServer(); |
| ShutdownHookManager.get().addShutdownHook( |
| new CompositeServiceShutdownHook(appHistoryServer), |
| SHUTDOWN_HOOK_PRIORITY); |
| YarnConfiguration conf = new YarnConfiguration(); |
| new GenericOptionsParser(conf, args); |
| appHistoryServer.init(conf); |
| appHistoryServer.start(); |
| } catch (Throwable t) { |
| LOG.fatal("Error starting ApplicationHistoryServer", t); |
| ExitUtil.terminate(-1, "Error starting ApplicationHistoryServer"); |
| } |
| return appHistoryServer; |
| } |
| |
| public static void main(String[] args) { |
| launchAppHistoryServer(args); |
| } |
| |
| private ApplicationHistoryClientService |
| createApplicationHistoryClientService( |
| ApplicationHistoryManager historyManager) { |
| return new ApplicationHistoryClientService(historyManager); |
| } |
| |
| private ApplicationACLsManager createApplicationACLsManager( |
| Configuration conf) { |
| return new ApplicationACLsManager(conf); |
| } |
| |
| private ApplicationHistoryManager createApplicationHistoryManager( |
| Configuration conf) { |
| // Backward compatibility: |
| // APPLICATION_HISTORY_STORE is neither null nor empty, it means that the |
| // user has enabled it explicitly. |
| if (conf.get(YarnConfiguration.APPLICATION_HISTORY_STORE) == null || |
| conf.get(YarnConfiguration.APPLICATION_HISTORY_STORE).length() == 0 || |
| conf.get(YarnConfiguration.APPLICATION_HISTORY_STORE).equals( |
| NullApplicationHistoryStore.class.getName())) { |
| return new ApplicationHistoryManagerOnTimelineStore( |
| timelineDataManager, aclsManager); |
| } else { |
| LOG.warn("The filesystem based application history store is deprecated."); |
| return new ApplicationHistoryManagerImpl(); |
| } |
| } |
| |
| private TimelineStore createTimelineStore( |
| Configuration conf) { |
| return ReflectionUtils.newInstance(conf.getClass( |
| YarnConfiguration.TIMELINE_SERVICE_STORE, LeveldbTimelineStore.class, |
| TimelineStore.class), conf); |
| } |
| |
| private TimelineDelegationTokenSecretManagerService |
| createTimelineDelegationTokenSecretManagerService(Configuration conf) { |
| return new TimelineDelegationTokenSecretManagerService(); |
| } |
| |
| private TimelineDataManager createTimelineDataManager(Configuration conf) { |
| return new TimelineDataManager( |
| timelineStore, new TimelineACLsManager(conf)); |
| } |
| |
| @SuppressWarnings("unchecked") |
| private void startWebApp() { |
| Configuration conf = getConfig(); |
| TimelineAuthenticationFilter.setTimelineDelegationTokenSecretManager( |
| secretManagerService.getTimelineDelegationTokenSecretManager()); |
| // Always load pseudo authentication filter to parse "user.name" in an URL |
| // to identify a HTTP request's user in insecure mode. |
| // When Kerberos authentication type is set (i.e., secure mode is turned on), |
| // the customized filter will be loaded by the timeline server to do Kerberos |
| // + DT authentication. |
| String initializers = conf.get("hadoop.http.filter.initializers"); |
| boolean modifiedInitializers = false; |
| |
| initializers = |
| initializers == null || initializers.length() == 0 ? "" : initializers; |
| |
| if (!initializers.contains(CrossOriginFilterInitializer.class.getName())) { |
| if(conf.getBoolean(YarnConfiguration |
| .TIMELINE_SERVICE_HTTP_CROSS_ORIGIN_ENABLED, YarnConfiguration |
| .TIMELINE_SERVICE_HTTP_CROSS_ORIGIN_ENABLED_DEFAULT)) { |
| if (initializers.contains(HttpCrossOriginFilterInitializer.class.getName())) { |
| initializers = |
| initializers.replaceAll(HttpCrossOriginFilterInitializer.class.getName(), |
| CrossOriginFilterInitializer.class.getName()); |
| } |
| else { |
| if (initializers.length() != 0) { |
| initializers += ","; |
| } |
| initializers += CrossOriginFilterInitializer.class.getName(); |
| } |
| modifiedInitializers = true; |
| } |
| } |
| |
| if (!initializers.contains(TimelineAuthenticationFilterInitializer.class |
| .getName())) { |
| if (initializers.length() != 0) { |
| initializers += ","; |
| } |
| initializers += TimelineAuthenticationFilterInitializer.class.getName(); |
| modifiedInitializers = true; |
| } |
| |
| String[] parts = initializers.split(","); |
| ArrayList<String> target = new ArrayList<String>(); |
| for (String filterInitializer : parts) { |
| filterInitializer = filterInitializer.trim(); |
| if (filterInitializer.equals(AuthenticationFilterInitializer.class |
| .getName())) { |
| modifiedInitializers = true; |
| continue; |
| } |
| target.add(filterInitializer); |
| } |
| String actualInitializers = |
| org.apache.commons.lang.StringUtils.join(target, ","); |
| if (modifiedInitializers) { |
| conf.set("hadoop.http.filter.initializers", actualInitializers); |
| } |
| String bindAddress = WebAppUtils.getWebAppBindURL(conf, |
| YarnConfiguration.TIMELINE_SERVICE_BIND_HOST, |
| WebAppUtils.getAHSWebAppURLWithoutScheme(conf)); |
| try { |
| AHSWebApp ahsWebApp = new AHSWebApp(timelineDataManager, ahsClientService); |
| webApp = |
| WebApps |
| .$for("applicationhistory", ApplicationHistoryClientService.class, |
| ahsClientService, "ws") |
| .with(conf).withAttribute(YarnConfiguration.TIMELINE_SERVICE_WEBAPP_ADDRESS, |
| conf.get(YarnConfiguration.TIMELINE_SERVICE_WEBAPP_ADDRESS)).at(bindAddress).build(ahsWebApp); |
| HttpServer2 httpServer = webApp.httpServer(); |
| |
| String[] names = conf.getTrimmedStrings(YarnConfiguration.TIMELINE_SERVICE_UI_NAMES); |
| WebAppContext webAppContext = httpServer.getWebAppContext(); |
| |
| for (String name : names) { |
| String webPath = conf.get( |
| YarnConfiguration.TIMELINE_SERVICE_UI_WEB_PATH_PREFIX + name); |
| String onDiskPath = conf.get( |
| YarnConfiguration.TIMELINE_SERVICE_UI_ON_DISK_PATH_PREFIX + name); |
| WebAppContext uiWebAppContext = new WebAppContext(); |
| uiWebAppContext.setContextPath(webPath); |
| uiWebAppContext.setWar(onDiskPath); |
| final String[] ALL_URLS = { "/*" }; |
| FilterHolder[] filterHolders = |
| webAppContext.getServletHandler().getFilters(); |
| for (FilterHolder filterHolder: filterHolders) { |
| if (!"guice".equals(filterHolder.getName())) { |
| HttpServer2.defineFilter(uiWebAppContext, filterHolder.getName(), |
| filterHolder.getClassName(), filterHolder.getInitParameters(), |
| ALL_URLS); |
| } |
| } |
| LOG.info("Hosting " + name + " from " + onDiskPath + " at " + webPath); |
| httpServer.addContext(uiWebAppContext, true); |
| } |
| httpServer.start(); |
| LOG.info("Instantiating AHSWebApp at " + getPort()); |
| } catch (Exception e) { |
| String msg = "AHSWebApp failed to start."; |
| LOG.error(msg, e); |
| throw new YarnRuntimeException(msg, e); |
| } |
| } |
| |
| private void doSecureLogin(Configuration conf) throws IOException { |
| InetSocketAddress socAddr = getBindAddress(conf); |
| SecurityUtil.login(conf, YarnConfiguration.TIMELINE_SERVICE_KEYTAB, |
| YarnConfiguration.TIMELINE_SERVICE_PRINCIPAL, socAddr.getHostName()); |
| } |
| |
| /** |
| * Retrieve the timeline server bind address from configuration |
| * |
| * @param conf |
| * @return InetSocketAddress |
| */ |
| private static InetSocketAddress getBindAddress(Configuration conf) { |
| return conf.getSocketAddr(YarnConfiguration.TIMELINE_SERVICE_ADDRESS, |
| YarnConfiguration.DEFAULT_TIMELINE_SERVICE_ADDRESS, |
| YarnConfiguration.DEFAULT_TIMELINE_SERVICE_PORT); |
| } |
| } |
