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PIP-61: Advertise multiple addresses #6903

Merged
merged 19 commits into from
Jun 3, 2020
12 changes: 12 additions & 0 deletions conf/broker.conf
Original file line number Diff line number Diff line change
Expand Up @@ -43,6 +43,18 @@ bindAddress=0.0.0.0
# Hostname or IP address the service advertises to the outside world. If not set, the value of InetAddress.getLocalHost().getHostName() is used.
advertisedAddress=

# Used to specify multiple advertised listeners for the broker.
# The value must format as <listener_name>:pulsar://<host>:<port>,
# multiple listeners should separate with commas.
# Do not use this configuration with advertisedAddress and brokerServicePort.
# The Default value is absent means use advertisedAddress and brokerServicePort.
# advertisedListeners=

# Used to specify the internal listener name for the broker.
# The listener name must contain in the advertisedListeners.
# The Default value is absent, the broker uses the first listener as the internal listener.
# internalListenerName=

# Number of threads to use for Netty IO. Default is set to 2 * Runtime.getRuntime().availableProcessors()
numIOThreads=

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Original file line number Diff line number Diff line change
Expand Up @@ -149,6 +149,20 @@ public class ServiceConfiguration implements PulsarConfiguration {
)
private String advertisedAddress;

@FieldContext(category=CATEGORY_SERVER,
doc = "Used to specify multiple advertised listeners for the broker."
+ " The value must format as <listener_name>:pulsar://<host>:<port>,"
+ "multiple listeners should separate with commas."
+ "Do not use this configuration with advertisedAddress and brokerServicePort."
+ "The Default value is absent means use advertisedAddress and brokerServicePort.")
private String advertisedListeners;

@FieldContext(category=CATEGORY_SERVER,
doc = "Used to specify the internal listener name for the broker."
+ "The listener name must contain in the advertisedListeners."
+ "The Default value is absent, the broker uses the first listener as the internal listener.")
private String internalListenerName;

@FieldContext(
category = CATEGORY_SERVER,
doc = "Number of threads to use for Netty IO."
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Original file line number Diff line number Diff line change
@@ -0,0 +1,137 @@
/**
* 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 com.google.common.collect.Lists;
import com.google.common.collect.Maps;
import com.google.common.collect.Sets;
import org.apache.commons.lang3.StringUtils;
import org.apache.pulsar.broker.ServiceConfiguration;
import org.apache.pulsar.policies.data.loadbalancer.AdvertisedListener;

import java.net.URI;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.Set;

/**
* the validator for pulsar multiple listeners.
*/
public final class MultipleListenerValidator {

/**
* validate the configure of `advertisedListeners`, `internalListenerName`, `advertisedAddress`.
* 1. `advertisedListeners` and `advertisedAddress` must not appear together.
* 2. the listener name in `advertisedListeners` must not duplicate.
* 3. user can not assign same 'host:port' to different listener.
* 4. if `internalListenerName` is absent, the first `listener` in the `advertisedListeners` will be the `internalListenerName`.
* 5. if pulsar do not specify `brokerServicePortTls`, should only contain one entry of `pulsar://` per listener name.
* @param config the pulsar broker configure.
* @return
*/
public static Map<String, AdvertisedListener> validateAndAnalysisAdvertisedListener(ServiceConfiguration config) {
if (StringUtils.isNotBlank(config.getAdvertisedListeners()) && StringUtils.isNotBlank(config.getAdvertisedAddress())) {
throw new IllegalArgumentException("`advertisedListeners` and `advertisedAddress` must not appear together");
}
if (StringUtils.isBlank(config.getAdvertisedListeners())) {
return Collections.EMPTY_MAP;
}
Optional<String> firstListenerName = Optional.empty();
Map<String, List<String>> listeners = Maps.newHashMap();
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 -> Lists.newArrayListWithCapacity(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 = Maps.newHashMap();
final Map<String, Set<String>> reverseMappings = Maps.newHashMap();
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());
reverseMappings.computeIfAbsent(hostPort, k -> Sets.newTreeSet());
Set<String> sets = reverseMappings.get(hostPort);
if (sets == null) {
sets = Sets.newTreeSet();
reverseMappings.put(hostPort, sets);
}
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");
}
}
if (!config.getBrokerServicePortTls().isPresent()) {
if (pulsarSslAddress != null) {
throw new IllegalArgumentException("If pulsar do not start ssl port, there is no need to configure " +
" `pulsar+ssl` in `" + entry.getKey() + "` listener.");
}
} else {
if (pulsarSslAddress == null) {
throw new IllegalArgumentException("the `" + entry.getKey() + "` listener in the `advertisedListeners` "
+ " do not specify `pulsar+ssl` address.");
}
}
if (pulsarAddress == null) {
throw new IllegalArgumentException("the `" + entry.getKey() + "` listener in the `advertisedListeners` "
+ " do not specify `pulsar` address.");
}
result.put(entry.getKey(), AdvertisedListener.builder().brokerServiceUrl(pulsarAddress).brokerServiceUrlTls(pulsarSslAddress).build());
}
return result;
}

}
Original file line number Diff line number Diff line change
@@ -0,0 +1,100 @@
/**
* 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 org.apache.pulsar.broker.ServiceConfiguration;
import org.testng.annotations.Test;

import java.util.Optional;

/**
* testcase for MultipleListenerValidator.
*/
public class MultipleListenerValidatorTest {

@Test(expectedExceptions = IllegalArgumentException.class)
public void testAppearTogether() {
ServiceConfiguration config = new ServiceConfiguration();
config.setAdvertisedAddress("127.0.0.1");
config.setAdvertisedListeners("internal:pulsar://192.168.1.11:6660,internal:pulsar+ssl://192.168.1.11:6651");
config.setInternalListenerName("internal");
MultipleListenerValidator.validateAndAnalysisAdvertisedListener(config);
}

@Test(expectedExceptions = IllegalArgumentException.class)
public void testListenerDuplicate_1() {
ServiceConfiguration config = new ServiceConfiguration();
config.setAdvertisedListeners(" internal:pulsar://127.0.0.1:6660, internal:pulsar+ssl://127.0.0.1:6651,"
+ " internal:pulsar://192.168.1.11:6660, internal:pulsar+ssl://192.168.1.11:6651");
config.setInternalListenerName("internal");
MultipleListenerValidator.validateAndAnalysisAdvertisedListener(config);
}

@Test(expectedExceptions = IllegalArgumentException.class)
public void testListenerDuplicate_2() {
ServiceConfiguration config = new ServiceConfiguration();
config.setAdvertisedListeners(" internal:pulsar://127.0.0.1:6660," + " internal:pulsar://192.168.1.11:6660");
config.setInternalListenerName("internal");
MultipleListenerValidator.validateAndAnalysisAdvertisedListener(config);
}

@Test(expectedExceptions = IllegalArgumentException.class)
public void testDifferentListenerWithSameHostPort() {
ServiceConfiguration config = new ServiceConfiguration();
config.setAdvertisedListeners(" internal:pulsar://127.0.0.1:6660," + " external:pulsar://127.0.0.1:6660");
config.setInternalListenerName("internal");
MultipleListenerValidator.validateAndAnalysisAdvertisedListener(config);
}

@Test(expectedExceptions = IllegalArgumentException.class)
public void testListenerWithoutTLSPort() {
ServiceConfiguration config = new ServiceConfiguration();
config.setAdvertisedListeners(" internal:pulsar://127.0.0.1:6660, internal:pulsar+ssl://127.0.0.1:6651");
config.setInternalListenerName("internal");
MultipleListenerValidator.validateAndAnalysisAdvertisedListener(config);
}

@Test
public void testListenerWithTLSPort() {
ServiceConfiguration config = new ServiceConfiguration();
config.setBrokerServicePortTls(Optional.of(6651));
config.setAdvertisedListeners(" internal:pulsar://127.0.0.1:6660, internal:pulsar+ssl://127.0.0.1:6651");
config.setInternalListenerName("internal");
MultipleListenerValidator.validateAndAnalysisAdvertisedListener(config);
}

@Test(expectedExceptions = IllegalArgumentException.class)
public void testListenerWithoutNonTLSAddress() {
ServiceConfiguration config = new ServiceConfiguration();
config.setBrokerServicePortTls(Optional.of(6651));
config.setAdvertisedListeners(" internal:pulsar+ssl://127.0.0.1:6651");
config.setInternalListenerName("internal");
MultipleListenerValidator.validateAndAnalysisAdvertisedListener(config);
}

@Test(expectedExceptions = IllegalArgumentException.class)
public void testWithoutListenerNameInAdvertisedListeners() {
ServiceConfiguration config = new ServiceConfiguration();
config.setBrokerServicePortTls(Optional.of(6651));
config.setAdvertisedListeners(" internal:pulsar://127.0.0.1:6660, internal:pulsar+ssl://127.0.0.1:6651");
config.setInternalListenerName("external");
MultipleListenerValidator.validateAndAnalysisAdvertisedListener(config);
}

}
Original file line number Diff line number Diff line change
Expand Up @@ -36,11 +36,7 @@
import java.lang.reflect.Method;
import java.net.InetSocketAddress;
import java.net.URI;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.Optional;
import java.util.*;
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Avoid use import .*

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resolve the problem

import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.Executors;
Expand Down Expand Up @@ -69,6 +65,7 @@
import org.apache.commons.configuration.ConfigurationException;
import org.apache.commons.lang3.StringUtils;
import org.apache.commons.lang3.builder.ReflectionToStringBuilder;
import org.apache.commons.lang3.tuple.Pair;
import org.apache.pulsar.PulsarVersion;
import org.apache.pulsar.broker.admin.AdminResource;
import org.apache.pulsar.broker.authentication.AuthenticationService;
Expand All @@ -89,6 +86,7 @@
import org.apache.pulsar.broker.service.schema.SchemaRegistryService;
import org.apache.pulsar.broker.stats.MetricsGenerator;
import org.apache.pulsar.broker.stats.prometheus.PrometheusMetricsServlet;
import org.apache.pulsar.broker.validator.MultipleListenerValidator;
import org.apache.pulsar.broker.web.WebService;
import org.apache.pulsar.client.admin.PulsarAdmin;
import org.apache.pulsar.client.admin.PulsarAdminBuilder;
Expand All @@ -114,6 +112,7 @@
import org.apache.pulsar.functions.worker.WorkerConfig;
import org.apache.pulsar.functions.worker.WorkerService;
import org.apache.pulsar.functions.worker.WorkerUtils;
import org.apache.pulsar.policies.data.loadbalancer.AdvertisedListener;
import org.apache.pulsar.transaction.coordinator.TransactionMetadataStoreProvider;
import org.apache.pulsar.websocket.WebSocketConsumerServlet;
import org.apache.pulsar.websocket.WebSocketProducerServlet;
Expand Down Expand Up @@ -201,6 +200,8 @@ public enum State {

private final ReentrantLock mutex = new ReentrantLock();
private final Condition isClosedCondition = mutex.newCondition();
// key is listener name , value is pulsar address and pulsar ssl address
private Map<String, AdvertisedListener> advertisedListeners;

public PulsarService(ServiceConfiguration config) {
this(config, Optional.empty());
Expand All @@ -209,10 +210,21 @@ public PulsarService(ServiceConfiguration config) {
public PulsarService(ServiceConfiguration config, Optional<WorkerService> functionWorkerService) {
// Validate correctness of configuration
PulsarConfigurationLoader.isComplete(config);

// validate `advertisedAddress`, `advertisedListeners`, `internalListenerName`
Map<String, AdvertisedListener> result = MultipleListenerValidator.validateAndAnalysisAdvertisedListener(config);
if (result != null) {
this.advertisedListeners = Collections.unmodifiableMap(result);
} else {
this.advertisedListeners = Collections.unmodifiableMap(Collections.emptyMap());
}
state = State.Init;
// use `internalListenerName` listener as `advertisedAddress`
this.bindAddress = ServiceConfigurationUtils.getDefaultOrConfiguredAddress(config.getBindAddress());
this.advertisedAddress = advertisedAddress(config);
if (!this.advertisedListeners.isEmpty()) {
this.advertisedAddress = this.advertisedListeners.get(config.getInternalListenerName()).getBrokerServiceUrl().getHost();
} else {
this.advertisedAddress = advertisedAddress(config);
}
this.brokerVersion = PulsarVersion.getVersion();
this.config = config;
this.shutdownService = new MessagingServiceShutdownHook(this);
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -849,14 +849,14 @@ public void start() throws PulsarServerException {
Map<String, String> protocolData = pulsar.getProtocolDataToAdvertise();

lastData = new LocalBrokerData(pulsar.getSafeWebServiceAddress(), pulsar.getWebServiceAddressTls(),
pulsar.getSafeBrokerServiceUrl(), pulsar.getBrokerServiceUrlTls());
pulsar.getSafeBrokerServiceUrl(), pulsar.getBrokerServiceUrlTls(), pulsar.getAdvertisedListeners());
lastData.setProtocols(protocolData);
// configure broker-topic mode
lastData.setPersistentTopicsEnabled(pulsar.getConfiguration().isEnablePersistentTopics());
lastData.setNonPersistentTopicsEnabled(pulsar.getConfiguration().isEnableNonPersistentTopics());

localData = new LocalBrokerData(pulsar.getSafeWebServiceAddress(), pulsar.getWebServiceAddressTls(),
pulsar.getSafeBrokerServiceUrl(), pulsar.getBrokerServiceUrlTls());
pulsar.getSafeBrokerServiceUrl(), pulsar.getBrokerServiceUrlTls(), pulsar.getAdvertisedListeners());
localData.setProtocols(protocolData);
localData.setBrokerVersionString(pulsar.getBrokerVersion());
// configure broker-topic mode
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Original file line number Diff line number Diff line change
Expand Up @@ -18,7 +18,6 @@
*/
package org.apache.pulsar.broker.loadbalance.impl;

import java.util.Collections;
import java.util.List;
import java.util.Optional;
import java.util.Set;
Expand Down
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