| /** |
| * 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.util.timeline; |
| |
| import java.util.LinkedHashSet; |
| import java.util.Set; |
| |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.security.AuthenticationFilterInitializer; |
| 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.TimelineDelgationTokenSecretManagerService; |
| |
| /** |
| * Set of utility methods to be used across timeline reader and collector. |
| */ |
| public final class TimelineServerUtils { |
| private static final Log LOG = LogFactory.getLog(TimelineServerUtils.class); |
| |
| private TimelineServerUtils() { |
| } |
| |
| /** |
| * Sets filter initializers configuration based on existing configuration and |
| * default filters added by timeline service(such as timeline auth filter and |
| * CORS filter). |
| * @param conf Configuration object. |
| * @param configuredInitializers Comma separated list of filter initializers. |
| * @param defaultInitializers Set of initializers added by default by timeline |
| * service. |
| */ |
| public static void setTimelineFilters(Configuration conf, |
| String configuredInitializers, Set<String> defaultInitializers) { |
| String[] parts = configuredInitializers.split(","); |
| Set<String> target = new LinkedHashSet<String>(); |
| for (String filterInitializer : parts) { |
| filterInitializer = filterInitializer.trim(); |
| if (filterInitializer.equals( |
| AuthenticationFilterInitializer.class.getName()) || |
| filterInitializer.isEmpty()) { |
| continue; |
| } |
| target.add(filterInitializer); |
| } |
| target.addAll(defaultInitializers); |
| String actualInitializers = |
| org.apache.commons.lang.StringUtils.join(target, ","); |
| LOG.info("Filter initializers set for timeline service: " + |
| actualInitializers); |
| conf.set("hadoop.http.filter.initializers", actualInitializers); |
| } |
| |
| /** |
| * Adds timeline authentication filter to the set of default filter |
| * initializers and assigns the delegation token manager service to it. |
| * @param initializers Comma separated list of filter initializers. |
| * @param defaultInitializers Set of initializers added by default by timeline |
| * service. |
| * @param delegationTokenMgrService Delegation token manager service. |
| * This will be used by timeline authentication filter to assign |
| * delegation tokens. |
| */ |
| public static void addTimelineAuthFilter(String initializers, |
| Set<String> defaultInitializers, |
| TimelineDelgationTokenSecretManagerService delegationTokenMgrService) { |
| TimelineAuthenticationFilter.setTimelineDelegationTokenSecretManager( |
| delegationTokenMgrService.getTimelineDelegationTokenSecretManager()); |
| if (!initializers.contains( |
| TimelineAuthenticationFilterInitializer.class.getName())) { |
| defaultInitializers.add( |
| TimelineAuthenticationFilterInitializer.class.getName()); |
| } |
| } |
| } |