| /* |
| * 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.phoenix.queryserver.server; |
| |
| import java.io.File; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| |
| import org.apache.calcite.avatica.server.AvaticaServerConfiguration; |
| import org.apache.calcite.avatica.server.ServerCustomizer; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.phoenix.queryserver.QueryServerOptions; |
| import org.apache.phoenix.queryserver.QueryServerProperties; |
| import org.apache.phoenix.queryserver.server.customizers.HostedClientJarsServerCustomizer; |
| import org.apache.phoenix.queryserver.server.customizers.JMXJsonEndpointServerCustomizer; |
| import org.eclipse.jetty.server.Server; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * Creates customizers for the underlying Avatica HTTP server. |
| * Allows for fine grained control of authentication, etc. |
| */ |
| public interface ServerCustomizersFactory { |
| /** |
| * Creates a list of customizers that will customize the server. |
| * @param conf Configuration to use |
| * @param avaticaServerConfiguration to use in case custom-auth is enabled |
| * @return List of server suctomizers |
| */ |
| List<ServerCustomizer<Server>> createServerCustomizers(Configuration conf, AvaticaServerConfiguration avaticaServerConfiguration); |
| |
| /** |
| * Factory that creates an empty list of customizers. |
| */ |
| class ServerCustomizersFactoryImpl implements ServerCustomizersFactory { |
| private static final Logger LOG = LoggerFactory.getLogger(ServerCustomizersFactoryImpl.class); |
| @Override |
| public List<ServerCustomizer<Server>> createServerCustomizers(Configuration conf, |
| AvaticaServerConfiguration avaticaServerConfiguration) { |
| List<ServerCustomizer<Server>> customizers = new ArrayList<>(); |
| if (conf.getBoolean(QueryServerProperties.CLIENT_JARS_ENABLED_ATTRIB, QueryServerOptions.DEFAULT_CLIENT_JARS_ENABLED)) { |
| String repoLocation = conf.get(QueryServerProperties.CLIENT_JARS_REPO_ATTRIB, |
| QueryServerOptions.DEFAULT_CLIENT_JARS_REPO); |
| if (repoLocation != null && !repoLocation.isEmpty()) { |
| File repo = new File(repoLocation); |
| if (!repo.isDirectory()) { |
| throw new IllegalArgumentException("Provided maven repository is not a directory. " + repo); |
| } |
| String contextPath = conf.get(QueryServerProperties.CLIENT_JARS_CONTEXT_ATTRIB, |
| QueryServerOptions.DEFAULT_CLIENT_JARS_CONTEXT); |
| LOG.info("Creating ServerCustomizer to host client jars from {} at HTTP endpoint {}", repo, contextPath); |
| HostedClientJarsServerCustomizer customizer = new HostedClientJarsServerCustomizer(repo, contextPath); |
| customizers.add(customizer); |
| } else { |
| LOG.warn("Empty value provided for {}, ignoring", QueryServerProperties.CLIENT_JARS_REPO_ATTRIB); |
| } |
| } |
| if (!conf.getBoolean(QueryServerProperties.QUERY_SERVER_JMX_JSON_ENDPOINT_DISABLED, |
| QueryServerOptions.DEFAULT_QUERY_SERVER_JMXJSONENDPOINT_DISABLED)) { |
| customizers.add(new JMXJsonEndpointServerCustomizer()); |
| } |
| return Collections.unmodifiableList(customizers); |
| } |
| } |
| } |