| /** |
| * 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.pulsar.broker.validator; |
| |
| import java.net.URI; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.LinkedHashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Optional; |
| import java.util.Set; |
| import java.util.TreeSet; |
| import org.apache.commons.lang3.StringUtils; |
| import org.apache.pulsar.broker.ServiceConfiguration; |
| import org.apache.pulsar.policies.data.loadbalancer.AdvertisedListener; |
| |
| /** |
| * Validates multiple listener address configurations. |
| */ |
| public final class MultipleListenerValidator { |
| |
| /** |
| * Validate the configuration of `advertisedListeners`, `internalListenerName`. |
| * 1. `advertisedListeners` consists of a comma-separated list of endpoints. |
| * 2. Each endpoint consists of a listener name and an associated address (`listener:scheme://host:port`). |
| * 3. A listener name may be repeated to define both a non-TLS and a TLS endpoint. |
| * 4. Duplicate definitions are disallowed. |
| * 5. If `internalListenerName` is absent, set it to the first listener defined in `advertisedListeners`. |
| * @param config the pulsar broker configure. |
| * @return |
| */ |
| public static Map<String, AdvertisedListener> validateAndAnalysisAdvertisedListener(ServiceConfiguration config) { |
| if (StringUtils.isBlank(config.getAdvertisedListeners())) { |
| return Collections.emptyMap(); |
| } |
| Optional<String> firstListenerName = Optional.empty(); |
| Map<String, List<String>> listeners = new LinkedHashMap<>(); |
| for (final String str : StringUtils.split(config.getAdvertisedListeners(), ",")) { |
| int index = str.indexOf(":"); |
| if (index <= 0) { |
| throw new IllegalArgumentException("the configure entry `advertisedListeners` is invalid. because " |
| + str + " do not contain listener name"); |
| } |
| String listenerName = StringUtils.trim(str.substring(0, index)); |
| if (!firstListenerName.isPresent()) { |
| firstListenerName = Optional.of(listenerName); |
| } |
| String value = StringUtils.trim(str.substring(index + 1)); |
| listeners.computeIfAbsent(listenerName, k -> new ArrayList<>(2)); |
| listeners.get(listenerName).add(value); |
| } |
| if (StringUtils.isBlank(config.getInternalListenerName())) { |
| config.setInternalListenerName(firstListenerName.get()); |
| } |
| if (!listeners.containsKey(config.getInternalListenerName())) { |
| throw new IllegalArgumentException("the `advertisedListeners` configure do not contain " |
| + "`internalListenerName` entry"); |
| } |
| final Map<String, AdvertisedListener> result = new LinkedHashMap<>(); |
| final Map<String, Set<String>> reverseMappings = new LinkedHashMap<>(); |
| for (final Map.Entry<String, List<String>> entry : listeners.entrySet()) { |
| if (entry.getValue().size() > 2) { |
| throw new IllegalArgumentException("there are redundant configure for listener `" + entry.getKey() |
| + "`"); |
| } |
| URI pulsarAddress = null, pulsarSslAddress = null; |
| for (final String strUri : entry.getValue()) { |
| try { |
| URI uri = URI.create(strUri); |
| if (StringUtils.equalsIgnoreCase(uri.getScheme(), "pulsar")) { |
| if (pulsarAddress == null) { |
| pulsarAddress = uri; |
| } else { |
| throw new IllegalArgumentException("there are redundant configure for listener `" |
| + entry.getKey() + "`"); |
| } |
| } else if (StringUtils.equalsIgnoreCase(uri.getScheme(), "pulsar+ssl")) { |
| if (pulsarSslAddress == null) { |
| pulsarSslAddress = uri; |
| } else { |
| throw new IllegalArgumentException("there are redundant configure for listener `" |
| + entry.getKey() + "`"); |
| } |
| } |
| String hostPort = String.format("%s:%d", uri.getHost(), uri.getPort()); |
| Set<String> sets = reverseMappings.computeIfAbsent(hostPort, k -> new TreeSet<>()); |
| sets.add(entry.getKey()); |
| if (sets.size() > 1) { |
| throw new IllegalArgumentException("must not specify `" + hostPort |
| + "` to different listener."); |
| } |
| } catch (Throwable cause) { |
| throw new IllegalArgumentException("the value " + strUri + " in the `advertisedListeners` " |
| + "configure is invalid"); |
| } |
| } |
| result.put(entry.getKey(), AdvertisedListener.builder().brokerServiceUrl(pulsarAddress) |
| .brokerServiceUrlTls(pulsarSslAddress).build()); |
| } |
| return result; |
| } |
| |
| } |