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PersistentTopicsBase.java
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PersistentTopicsBase.java
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/**
* 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.admin.impl;
import static org.apache.pulsar.broker.cache.ConfigurationCacheService.POLICIES;
import static org.apache.pulsar.broker.resources.PulsarResources.DEFAULT_OPERATION_TIMEOUT_SEC;
import static org.apache.pulsar.common.util.Codec.decode;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.github.zafarkhaja.semver.Version;
import com.google.common.collect.Lists;
import com.google.common.collect.Maps;
import com.google.common.collect.Sets;
import io.netty.buffer.ByteBuf;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.Set;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.CompletionException;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.concurrent.atomic.AtomicReference;
import java.util.function.BiConsumer;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.container.AsyncResponse;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.Response.ResponseBuilder;
import javax.ws.rs.core.Response.Status;
import javax.ws.rs.core.StreamingOutput;
import org.apache.bookkeeper.mledger.AsyncCallbacks;
import org.apache.bookkeeper.mledger.AsyncCallbacks.ManagedLedgerInfoCallback;
import org.apache.bookkeeper.mledger.Entry;
import org.apache.bookkeeper.mledger.LedgerOffloader;
import org.apache.bookkeeper.mledger.ManagedLedgerConfig;
import org.apache.bookkeeper.mledger.ManagedLedgerException;
import org.apache.bookkeeper.mledger.ManagedLedgerException.MetadataNotFoundException;
import org.apache.bookkeeper.mledger.ManagedLedgerInfo;
import org.apache.bookkeeper.mledger.impl.ManagedLedgerFactoryImpl;
import org.apache.bookkeeper.mledger.impl.ManagedLedgerImpl;
import org.apache.bookkeeper.mledger.impl.ManagedLedgerOfflineBacklog;
import org.apache.bookkeeper.mledger.impl.PositionImpl;
import org.apache.commons.lang3.StringUtils;
import org.apache.pulsar.broker.PulsarServerException;
import org.apache.pulsar.broker.PulsarService;
import org.apache.pulsar.broker.admin.AdminResource;
import org.apache.pulsar.broker.admin.ZkAdminPaths;
import org.apache.pulsar.broker.authentication.AuthenticationDataSource;
import org.apache.pulsar.broker.service.BrokerServiceException;
import org.apache.pulsar.broker.service.BrokerServiceException.AlreadyRunningException;
import org.apache.pulsar.broker.service.BrokerServiceException.NotAllowedException;
import org.apache.pulsar.broker.service.BrokerServiceException.SubscriptionBusyException;
import org.apache.pulsar.broker.service.BrokerServiceException.SubscriptionInvalidCursorPosition;
import org.apache.pulsar.broker.service.BrokerServiceException.TopicBusyException;
import org.apache.pulsar.broker.service.Subscription;
import org.apache.pulsar.broker.service.Topic;
import org.apache.pulsar.broker.service.persistent.PersistentReplicator;
import org.apache.pulsar.broker.service.persistent.PersistentSubscription;
import org.apache.pulsar.broker.service.persistent.PersistentTopic;
import org.apache.pulsar.broker.web.RestException;
import org.apache.pulsar.client.admin.LongRunningProcessStatus;
import org.apache.pulsar.client.admin.OffloadProcessStatus;
import org.apache.pulsar.client.admin.PulsarAdmin;
import org.apache.pulsar.client.admin.PulsarAdminException;
import org.apache.pulsar.client.admin.PulsarAdminException.NotFoundException;
import org.apache.pulsar.client.admin.PulsarAdminException.PreconditionFailedException;
import org.apache.pulsar.client.api.MessageId;
import org.apache.pulsar.client.api.PulsarClientException;
import org.apache.pulsar.client.api.SubscriptionType;
import org.apache.pulsar.client.impl.MessageIdImpl;
import org.apache.pulsar.common.allocator.PulsarByteBufAllocator;
import org.apache.pulsar.common.api.proto.CommandSubscribe.InitialPosition;
import org.apache.pulsar.common.api.proto.CommandSubscribe.SubType;
import org.apache.pulsar.common.api.proto.KeyValue;
import org.apache.pulsar.common.api.proto.MessageMetadata;
import org.apache.pulsar.common.compression.CompressionCodec;
import org.apache.pulsar.common.compression.CompressionCodecProvider;
import org.apache.pulsar.common.naming.PartitionedManagedLedgerInfo;
import org.apache.pulsar.common.naming.TopicDomain;
import org.apache.pulsar.common.naming.TopicName;
import org.apache.pulsar.common.partition.PartitionedTopicMetadata;
import org.apache.pulsar.common.policies.data.AuthAction;
import org.apache.pulsar.common.policies.data.AuthPolicies;
import org.apache.pulsar.common.policies.data.BacklogQuota;
import org.apache.pulsar.common.policies.data.DelayedDeliveryPolicies;
import org.apache.pulsar.common.policies.data.DispatchRate;
import org.apache.pulsar.common.policies.data.InactiveTopicPolicies;
import org.apache.pulsar.common.policies.data.NamespaceOperation;
import org.apache.pulsar.common.policies.data.OffloadPoliciesImpl;
import org.apache.pulsar.common.policies.data.PartitionedTopicInternalStats;
import org.apache.pulsar.common.policies.data.PersistencePolicies;
import org.apache.pulsar.common.policies.data.PersistentOfflineTopicStats;
import org.apache.pulsar.common.policies.data.PersistentTopicInternalStats;
import org.apache.pulsar.common.policies.data.Policies;
import org.apache.pulsar.common.policies.data.PolicyName;
import org.apache.pulsar.common.policies.data.PolicyOperation;
import org.apache.pulsar.common.policies.data.PublishRate;
import org.apache.pulsar.common.policies.data.RetentionPolicies;
import org.apache.pulsar.common.policies.data.SubscribeRate;
import org.apache.pulsar.common.policies.data.SubscriptionStats;
import org.apache.pulsar.common.policies.data.TopicOperation;
import org.apache.pulsar.common.policies.data.TopicPolicies;
import org.apache.pulsar.common.policies.data.TopicStats;
import org.apache.pulsar.common.policies.data.impl.BacklogQuotaImpl;
import org.apache.pulsar.common.policies.data.impl.DispatchRateImpl;
import org.apache.pulsar.common.policies.data.stats.PartitionedTopicStatsImpl;
import org.apache.pulsar.common.policies.data.stats.TopicStatsImpl;
import org.apache.pulsar.common.protocol.Commands;
import org.apache.pulsar.common.util.DateFormatter;
import org.apache.pulsar.common.util.FutureUtil;
import org.apache.pulsar.common.util.collections.BitSetRecyclable;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
*/
public class PersistentTopicsBase extends AdminResource {
private static final Logger log = LoggerFactory.getLogger(PersistentTopicsBase.class);
private static final int OFFLINE_TOPIC_STAT_TTL_MINS = 10;
private static final String DEPRECATED_CLIENT_VERSION_PREFIX = "Pulsar-CPP-v";
private static final Version LEAST_SUPPORTED_CLIENT_VERSION_PREFIX = Version.forIntegers(1, 21);
protected List<String> internalGetList() {
validateNamespaceOperation(namespaceName, NamespaceOperation.GET_TOPICS);
// Validate that namespace exists, throws 404 if it doesn't exist
try {
if (!namespaceResources().exists(path(POLICIES, namespaceName.toString()))) {
throw new RestException(Status.NOT_FOUND, "Namespace does not exist");
}
} catch (RestException re) {
throw re;
} catch (Exception e) {
log.error("[{}] Failed to get topic list {}", clientAppId(), namespaceName, e);
throw new RestException(e);
}
List<String> topics = Lists.newArrayList();
try {
String path = String.format("/managed-ledgers/%s/%s", namespaceName.toString(), domain());
for (String topic : getLocalPolicies().getChildren(path)) {
if (domain().equals(TopicDomain.persistent.toString())) {
topics.add(TopicName.get(domain(), namespaceName, decode(topic)).toString());
}
}
} catch (org.apache.pulsar.metadata.api.MetadataStoreException.NotFoundException e) {
// NoNode means there are no topics in this domain for this namespace
} catch (Exception e) {
log.error("[{}] Failed to get topics list for namespace {}", clientAppId(), namespaceName, e);
throw new RestException(e);
}
topics.sort(null);
return topics;
}
protected List<String> internalGetPartitionedTopicList() {
validateAdminAccessForTenant(namespaceName.getTenant());
validateNamespaceOperation(namespaceName, NamespaceOperation.GET_TOPICS);
// Validate that namespace exists, throws 404 if it doesn't exist
try {
if (!namespaceResources().exists(path(POLICIES, namespaceName.toString()))) {
log.warn("[{}] Failed to get partitioned topic list {}: Namespace does not exist", clientAppId(),
namespaceName);
throw new RestException(Status.NOT_FOUND, "Namespace does not exist");
}
} catch (RestException e) {
throw e;
} catch (Exception e) {
log.error("[{}] Failed to get partitioned topic list for namespace {}", clientAppId(), namespaceName, e);
throw new RestException(e);
}
return getPartitionedTopicList(TopicDomain.getEnum(domain()));
}
protected Map<String, Set<AuthAction>> internalGetPermissionsOnTopic() {
// This operation should be reading from zookeeper and it should be allowed without having admin privileges
validateAdminAccessForTenant(namespaceName.getTenant());
String topicUri = topicName.toString();
try {
Policies policies = namespaceResources().get(path(POLICIES, namespaceName.toString()))
.orElseThrow(() -> new RestException(Status.NOT_FOUND, "Namespace does not exist"));
Map<String, Set<AuthAction>> permissions = Maps.newHashMap();
AuthPolicies auth = policies.auth_policies;
// First add namespace level permissions
auth.getNamespaceAuthentication().forEach(permissions::put);
// Then add topic level permissions
if (auth.getTopicAuthentication().containsKey(topicUri)) {
for (Map.Entry<String, Set<AuthAction>> entry :
auth.getTopicAuthentication().get(topicUri).entrySet()) {
String role = entry.getKey();
Set<AuthAction> topicPermissions = entry.getValue();
if (!permissions.containsKey(role)) {
permissions.put(role, topicPermissions);
} else {
// Do the union between namespace and topic level
Set<AuthAction> union = Sets.union(permissions.get(role), topicPermissions);
permissions.put(role, union);
}
}
}
return permissions;
} catch (Exception e) {
log.error("[{}] Failed to get permissions for topic {}", clientAppId(), topicUri, e);
throw new RestException(e);
}
}
protected void validateAdminAndClientPermission() {
try {
validateAdminAccessForTenant(topicName.getTenant());
} catch (Exception ve) {
try {
checkAuthorization(pulsar(), topicName, clientAppId(), clientAuthData());
} catch (RestException re) {
throw re;
} catch (Exception e) {
// unknown error marked as internal server error
log.warn("Unexpected error while authorizing request. topic={}, role={}. Error: {}",
topicName, clientAppId(), e.getMessage(), e);
throw new RestException(e);
}
}
}
public void validateAdminOperationOnTopic(boolean authoritative) {
validateAdminAccessForTenant(topicName.getTenant());
validateTopicOwnership(topicName, authoritative);
}
private void grantPermissions(String topicUri, String role, Set<AuthAction> actions) {
try {
namespaceResources().set(path(POLICIES, namespaceName.toString()), (policies) -> {
if (!policies.auth_policies.getTopicAuthentication().containsKey(topicUri)) {
policies.auth_policies.getTopicAuthentication().put(topicUri, new HashMap<>());
}
policies.auth_policies.getTopicAuthentication().get(topicUri).put(role, actions);
return policies;
});
log.info("[{}] Successfully granted access for role {}: {} - topic {}", clientAppId(), role, actions,
topicUri);
} catch (org.apache.pulsar.metadata.api.MetadataStoreException.NotFoundException e) {
log.warn("[{}] Failed to grant permissions on topic {}: Namespace does not exist", clientAppId(), topicUri);
throw new RestException(Status.NOT_FOUND, "Namespace does not exist");
} catch (Exception e) {
log.error("[{}] Failed to grant permissions for topic {}", clientAppId(), topicUri, e);
throw new RestException(e);
}
}
protected void internalGrantPermissionsOnTopic(String role, Set<AuthAction> actions) {
// This operation should be reading from zookeeper and it should be allowed without having admin privileges
validateAdminAccessForTenant(namespaceName.getTenant());
validatePoliciesReadOnlyAccess();
PartitionedTopicMetadata meta = getPartitionedTopicMetadata(topicName, true, false);
int numPartitions = meta.partitions;
if (numPartitions > 0) {
for (int i = 0; i < numPartitions; i++) {
TopicName topicNamePartition = topicName.getPartition(i);
grantPermissions(topicNamePartition.toString(), role, actions);
}
}
grantPermissions(topicName.toString(), role, actions);
}
protected void internalDeleteTopicForcefully(boolean authoritative, boolean deleteSchema) {
validateTopicOwnership(topicName, authoritative);
validateNamespaceOperation(topicName.getNamespaceObject(), NamespaceOperation.DELETE_TOPIC);
try {
pulsar().getBrokerService().deleteTopic(topicName.toString(), true, deleteSchema).get();
} catch (Exception e) {
if (e.getCause() instanceof MetadataNotFoundException) {
log.info("[{}] Topic was already not existing {}", clientAppId(), topicName, e);
} else {
log.error("[{}] Failed to delete topic forcefully {}", clientAppId(), topicName, e);
throw new RestException(e);
}
}
}
private void revokePermissions(String topicUri, String role) {
Policies policies;
try {
policies = namespaceResources().get(path(POLICIES, namespaceName.toString()))
.orElseThrow(() -> new RestException(Status.NOT_FOUND, "Namespace does not exist"));
} catch (Exception e) {
log.error("[{}] Failed to revoke permissions for topic {}", clientAppId(), topicUri, e);
throw new RestException(e);
}
if (!policies.auth_policies.getTopicAuthentication().containsKey(topicUri)
|| !policies.auth_policies.getTopicAuthentication().get(topicUri).containsKey(role)) {
log.warn("[{}] Failed to revoke permission from role {} on topic: Not set at topic level {}", clientAppId(),
role, topicUri);
throw new RestException(Status.PRECONDITION_FAILED, "Permissions are not set at the topic level");
}
try {
// Write the new policies to zookeeper
String namespacePath = path(POLICIES, namespaceName.toString());
namespaceResources().set(namespacePath, (p) -> {
p.auth_policies.getTopicAuthentication().get(topicUri).remove(role);
return p;
});
log.info("[{}] Successfully revoke access for role {} - topic {}", clientAppId(), role, topicUri);
} catch (Exception e) {
log.error("[{}] Failed to revoke permissions for topic {}", clientAppId(), topicUri, e);
throw new RestException(e);
}
}
protected void internalRevokePermissionsOnTopic(String role) {
// This operation should be reading from zookeeper and it should be allowed without having admin privileges
validateAdminAccessForTenant(namespaceName.getTenant());
validatePoliciesReadOnlyAccess();
PartitionedTopicMetadata meta = getPartitionedTopicMetadata(topicName, true, false);
int numPartitions = meta.partitions;
if (numPartitions > 0) {
for (int i = 0; i < numPartitions; i++) {
TopicName topicNamePartition = topicName.getPartition(i);
revokePermissions(topicNamePartition.toString(), role);
}
}
revokePermissions(topicName.toString(), role);
}
protected void internalCreateNonPartitionedTopic(boolean authoritative) {
validateNonPartitionTopicName(topicName.getLocalName());
if (topicName.isGlobal()) {
validateGlobalNamespaceOwnership(namespaceName);
}
validateTopicOwnership(topicName, authoritative);
validateNamespaceOperation(topicName.getNamespaceObject(), NamespaceOperation.CREATE_TOPIC);
PartitionedTopicMetadata partitionMetadata = getPartitionedTopicMetadata(topicName, authoritative, false);
if (partitionMetadata.partitions > 0) {
log.warn("[{}] Partitioned topic with the same name already exists {}", clientAppId(), topicName);
throw new RestException(Status.CONFLICT, "This topic already exists");
}
try {
Optional<Topic> existedTopic = pulsar().getBrokerService().getTopicIfExists(topicName.toString()).get();
if (existedTopic.isPresent()) {
log.error("[{}] Topic {} already exists", clientAppId(), topicName);
throw new RestException(Status.CONFLICT, "This topic already exists");
}
Topic createdTopic = getOrCreateTopic(topicName);
log.info("[{}] Successfully created non-partitioned topic {}", clientAppId(), createdTopic);
} catch (Exception e) {
if (e instanceof RestException) {
throw (RestException) e;
} else {
log.error("[{}] Failed to create non-partitioned topic {}", clientAppId(), topicName, e);
throw new RestException(e);
}
}
}
/**
* It updates number of partitions of an existing partitioned topic. It requires partitioned-topic to
* already exist and number of new partitions must be greater than existing number of partitions. Decrementing
* number of partitions requires deletion of topic which is not supported.
*
* Already created partitioned producers and consumers can't see newly created partitions and it requires to
* recreate them at application so, newly created producers and consumers can connect to newly added partitions as
* well. Therefore, it can violate partition ordering at producers until all producers are restarted at application.
*
* @param numPartitions
*/
protected void internalUpdatePartitionedTopic(int numPartitions,
boolean updateLocalTopicOnly, boolean authoritative) {
validateTopicOwnership(topicName, authoritative);
validateTopicPolicyOperation(topicName, PolicyName.PARTITION, PolicyOperation.WRITE);
// Only do the validation if it's the first hop.
if (!updateLocalTopicOnly) {
validatePartitionTopicUpdate(topicName.getLocalName(), numPartitions);
}
final int maxPartitions = pulsar().getConfig().getMaxNumPartitionsPerPartitionedTopic();
if (maxPartitions > 0 && numPartitions > maxPartitions) {
throw new RestException(Status.NOT_ACCEPTABLE,
"Number of partitions should be less than or equal to " + maxPartitions);
}
if (topicName.isGlobal() && isNamespaceReplicated(topicName.getNamespaceObject())) {
Set<String> clusters = getNamespaceReplicatedClusters(topicName.getNamespaceObject());
if (!clusters.contains(pulsar().getConfig().getClusterName())) {
log.error("[{}] local cluster is not part of replicated cluster for namespace {}", clientAppId(),
topicName);
throw new RestException(Status.FORBIDDEN, "Local cluster is not part of replicate cluster list");
}
try {
tryCreatePartitionsAsync(numPartitions).get(DEFAULT_OPERATION_TIMEOUT_SEC, TimeUnit.SECONDS);
createSubscriptions(topicName, numPartitions).get(DEFAULT_OPERATION_TIMEOUT_SEC, TimeUnit.SECONDS);
} catch (Exception e) {
if (e.getCause() instanceof RestException) {
throw (RestException) e.getCause();
}
log.error("[{}] Failed to update partitioned topic {}", clientAppId(), topicName, e);
throw new RestException(e);
}
// if this cluster is the first hop which needs to coordinate with other clusters then update partitions in
// other clusters and then update number of partitions.
if (!updateLocalTopicOnly) {
CompletableFuture<Void> updatePartition = new CompletableFuture<>();
final String path = ZkAdminPaths.partitionedTopicPath(topicName);
updatePartitionInOtherCluster(numPartitions, clusters).thenRun(() -> {
try {
namespaceResources().getPartitionedTopicResources().setAsync(path, (p) -> {
return new PartitionedTopicMetadata(numPartitions);
}).thenAccept(r -> updatePartition.complete(null)).exceptionally(ex -> {
updatePartition.completeExceptionally(ex.getCause());
return null;
});
} catch (Exception e) {
updatePartition.completeExceptionally(e);
}
}).exceptionally(ex -> {
updatePartition.completeExceptionally(ex);
return null;
});
try {
updatePartition.get(DEFAULT_OPERATION_TIMEOUT_SEC, TimeUnit.SECONDS);
} catch (Exception e) {
log.error("{} Failed to update number of partitions in zk for topic {} and partitions {}",
clientAppId(), topicName, numPartitions, e);
if (e.getCause() instanceof RestException) {
throw (RestException) e.getCause();
}
throw new RestException(e);
}
}
return;
}
if (numPartitions <= 0) {
throw new RestException(Status.NOT_ACCEPTABLE, "Number of partitions should be more than 0");
}
try {
tryCreatePartitionsAsync(numPartitions).get(DEFAULT_OPERATION_TIMEOUT_SEC, TimeUnit.SECONDS);
updatePartitionedTopic(topicName, numPartitions).get(DEFAULT_OPERATION_TIMEOUT_SEC, TimeUnit.SECONDS);
} catch (Exception e) {
if (e.getCause() instanceof RestException) {
throw (RestException) e.getCause();
}
log.error("[{}] Failed to update partitioned topic {}", clientAppId(), topicName, e);
throw new RestException(e);
}
}
protected void internalCreateMissedPartitions(AsyncResponse asyncResponse) {
getPartitionedTopicMetadataAsync(topicName, false, false).thenAccept(metadata -> {
if (metadata != null) {
tryCreatePartitionsAsync(metadata.partitions).thenAccept(v -> {
asyncResponse.resume(Response.noContent().build());
}).exceptionally(e -> {
log.error("[{}] Failed to create partitions for topic {}", clientAppId(), topicName);
resumeAsyncResponseExceptionally(asyncResponse, e);
return null;
});
}
}).exceptionally(e -> {
log.error("[{}] Failed to create partitions for topic {}",
clientAppId(), topicName);
resumeAsyncResponseExceptionally(asyncResponse, e);
return null;
});
}
protected void internalSetDelayedDeliveryPolicies(AsyncResponse asyncResponse,
DelayedDeliveryPolicies deliveryPolicies) {
TopicPolicies topicPolicies = null;
try {
topicPolicies = pulsar().getTopicPoliciesService().getTopicPolicies(topicName);
} catch (BrokerServiceException.TopicPoliciesCacheNotInitException e) {
log.error("Topic {} policies have not been initialized yet.", topicName);
asyncResponse.resume(new RestException(e));
return;
}
if (topicPolicies == null) {
topicPolicies = new TopicPolicies();
}
topicPolicies.setDelayedDeliveryEnabled(deliveryPolicies == null ? null : deliveryPolicies.isActive());
topicPolicies.setDelayedDeliveryTickTimeMillis(
deliveryPolicies == null ? null : deliveryPolicies.getTickTime());
pulsar().getTopicPoliciesService().updateTopicPoliciesAsync(topicName, topicPolicies)
.whenComplete((result, ex) -> {
if (ex != null) {
log.error("Failed set delayed delivery policy for topic", ex);
asyncResponse.resume(new RestException(ex));
} else {
asyncResponse.resume(Response.noContent().build());
}
});
}
private CompletableFuture<Void> updatePartitionInOtherCluster(int numPartitions, Set<String> clusters) {
List<CompletableFuture<Void>> results = new ArrayList<>(clusters.size() - 1);
clusters.forEach(cluster -> {
if (cluster.equals(pulsar().getConfig().getClusterName())) {
return;
}
results.add(pulsar().getBrokerService().getClusterPulsarAdmin(cluster).topics()
.updatePartitionedTopicAsync(topicName.toString(),
numPartitions, true));
});
return FutureUtil.waitForAll(results);
}
protected PartitionedTopicMetadata internalGetPartitionedMetadata(boolean authoritative,
boolean checkAllowAutoCreation) {
PartitionedTopicMetadata metadata = getPartitionedTopicMetadata(topicName,
authoritative, checkAllowAutoCreation);
if (metadata.partitions == 0 && !checkAllowAutoCreation) {
// The topic may be a non-partitioned topic, so check if it exists here.
// However, when checkAllowAutoCreation is true, the client will create the topic if it doesn't exist.
// In this case, `partitions == 0` means the automatically created topic is a non-partitioned topic so we
// shouldn't check if the topic exists.
try {
if (!pulsar().getNamespaceService().checkTopicExists(topicName).get()) {
throw new RestException(Status.NOT_FOUND,
new PulsarClientException.NotFoundException("Topic not exist"));
}
} catch (InterruptedException | ExecutionException e) {
log.error("Failed to check if topic '{}' exists", topicName, e);
throw new RestException(Status.INTERNAL_SERVER_ERROR, "Failed to get topic metadata");
}
}
if (metadata.partitions > 1) {
validateClientVersion();
}
return metadata;
}
protected void internalDeletePartitionedTopic(AsyncResponse asyncResponse, boolean authoritative,
boolean force, boolean deleteSchema) {
try {
validateNamespaceOperation(topicName.getNamespaceObject(), NamespaceOperation.DELETE_TOPIC);
validateTopicOwnership(topicName, authoritative);
} catch (WebApplicationException wae) {
if (log.isDebugEnabled()) {
log.debug("[{}] Failed to delete partitioned topic {}, redirecting to other brokers.",
clientAppId(), topicName, wae);
}
resumeAsyncResponseExceptionally(asyncResponse, wae);
return;
} catch (Exception e) {
log.error("[{}] Failed to delete partitioned topic {}", clientAppId(), topicName, e);
resumeAsyncResponseExceptionally(asyncResponse, e);
return;
}
final CompletableFuture<Void> future = new CompletableFuture<>();
pulsar().getBrokerService().fetchPartitionedTopicMetadataAsync(topicName).thenAccept(partitionMeta -> {
final int numPartitions = partitionMeta.partitions;
if (numPartitions > 0) {
final AtomicInteger count = new AtomicInteger(numPartitions);
if (deleteSchema) {
count.incrementAndGet();
pulsar().getBrokerService().deleteSchemaStorage(topicName.getPartition(0).toString())
.whenComplete((r, ex) -> {
if (ex != null) {
log.warn("Failed to delete schema storage of topic: {}", topicName);
}
if (count.decrementAndGet() == 0) {
future.complete(null);
}
});
}
for (int i = 0; i < numPartitions; i++) {
TopicName topicNamePartition = topicName.getPartition(i);
try {
pulsar().getAdminClient().topics()
.deleteAsync(topicNamePartition.toString(), force)
.whenComplete((r, ex) -> {
if (ex != null) {
if (ex instanceof NotFoundException) {
// if the sub-topic is not found, the client might not have called create
// producer or it might have been deleted earlier,
//so we ignore the 404 error.
// For all other exception,
//we fail the delete partition method even if a single
// partition is failed to be deleted
if (log.isDebugEnabled()) {
log.debug("[{}] Partition not found: {}", clientAppId(),
topicNamePartition);
}
} else {
log.error("[{}] Failed to delete partition {}", clientAppId(),
topicNamePartition, ex);
future.completeExceptionally(ex);
return;
}
} else {
log.info("[{}] Deleted partition {}", clientAppId(), topicNamePartition);
}
if (count.decrementAndGet() == 0) {
future.complete(null);
}
});
} catch (Exception e) {
log.error("[{}] Failed to delete partition {}", clientAppId(), topicNamePartition, e);
future.completeExceptionally(e);
}
}
} else {
future.complete(null);
}
}).exceptionally(ex -> {
future.completeExceptionally(ex);
return null;
});
future.whenComplete((r, ex) -> {
if (ex != null) {
if (ex instanceof PreconditionFailedException) {
asyncResponse.resume(
new RestException(Status.PRECONDITION_FAILED, "Topic has active producers/subscriptions"));
return;
} else if (ex instanceof PulsarAdminException) {
asyncResponse.resume(new RestException((PulsarAdminException) ex));
return;
} else if (ex instanceof WebApplicationException) {
asyncResponse.resume(ex);
return;
} else {
asyncResponse.resume(new RestException(ex));
return;
}
}
// Only tries to delete the znode for partitioned topic when all its partitions are successfully deleted
String path = path(PARTITIONED_TOPIC_PATH_ZNODE, namespaceName.toString(), domain(),
topicName.getEncodedLocalName());
try {
namespaceResources().getPartitionedTopicResources().deleteAsync(path).thenAccept(r2 -> {
log.info("[{}] Deleted partitioned topic {}", clientAppId(), topicName);
asyncResponse.resume(Response.noContent().build());
}).exceptionally(ex1 -> {
log.error("[{}] Failed to delete partitioned topic {}", clientAppId(), topicName, ex1.getCause());
if (ex1.getCause()
instanceof org.apache.pulsar.metadata.api.MetadataStoreException.NotFoundException) {
asyncResponse.resume(new RestException(
new RestException(Status.NOT_FOUND, "Partitioned topic does not exist")));
} else if (ex1
.getCause()
instanceof org.apache.pulsar.metadata.api.MetadataStoreException.BadVersionException) {
asyncResponse.resume(
new RestException(new RestException(Status.CONFLICT, "Concurrent modification")));
} else {
asyncResponse.resume(new RestException((ex1.getCause())));
}
return null;
});
} catch (Exception e1) {
log.error("[{}] Failed to delete partitioned topic {}", clientAppId(), topicName, e1);
asyncResponse.resume(new RestException(e1));
}
});
}
protected void internalUnloadTopic(AsyncResponse asyncResponse, boolean authoritative) {
log.info("[{}] Unloading topic {}", clientAppId(), topicName);
try {
if (topicName.isGlobal()) {
validateGlobalNamespaceOwnership(namespaceName);
}
} catch (Exception e) {
log.error("[{}] Failed to unload topic {}", clientAppId(), topicName, e);
resumeAsyncResponseExceptionally(asyncResponse, e);
return;
}
// If the topic name is a partition name, no need to get partition topic metadata again
if (topicName.isPartitioned()) {
internalUnloadNonPartitionedTopic(asyncResponse, authoritative);
} else {
getPartitionedTopicMetadataAsync(topicName, authoritative, false)
.thenAccept(meta -> {
if (meta.partitions > 0) {
final List<CompletableFuture<Void>> futures = Lists.newArrayList();
for (int i = 0; i < meta.partitions; i++) {
TopicName topicNamePartition = topicName.getPartition(i);
try {
futures.add(pulsar().getAdminClient().topics().unloadAsync(
topicNamePartition.toString()));
} catch (Exception e) {
log.error("[{}] Failed to unload topic {}", clientAppId(), topicNamePartition, e);
asyncResponse.resume(new RestException(e));
return;
}
}
FutureUtil.waitForAll(futures).handle((result, exception) -> {
if (exception != null) {
Throwable th = exception.getCause();
if (th instanceof NotFoundException) {
asyncResponse.resume(new RestException(Status.NOT_FOUND, th.getMessage()));
} else if (th instanceof WebApplicationException) {
asyncResponse.resume(th);
} else {
log.error("[{}] Failed to unload topic {}", clientAppId(), topicName,
exception);
asyncResponse.resume(new RestException(exception));
}
} else {
asyncResponse.resume(Response.noContent().build());
}
return null;
});
} else {
internalUnloadNonPartitionedTopic(asyncResponse, authoritative);
}
}).exceptionally(t -> {
log.error("[{}] Failed to unload topic {}", clientAppId(), topicName, t);
if (t instanceof WebApplicationException) {
asyncResponse.resume(t);
} else {
asyncResponse.resume(new RestException(t));
}
return null;
});
}
}
protected CompletableFuture<DelayedDeliveryPolicies> internalGetDelayedDeliveryPolicies(boolean applied) {
TopicPolicies policies = getTopicPolicies(topicName).orElseGet(TopicPolicies::new);
DelayedDeliveryPolicies delayedDeliveryPolicies = null;
if (policies.isDelayedDeliveryEnabledSet() && policies.isDelayedDeliveryTickTimeMillisSet()) {
delayedDeliveryPolicies = DelayedDeliveryPolicies.builder()
.tickTime(policies.getDelayedDeliveryTickTimeMillis())
.active(policies.getDelayedDeliveryEnabled())
.build();
}
if (delayedDeliveryPolicies == null && applied) {
delayedDeliveryPolicies = getNamespacePolicies(namespaceName).delayed_delivery_policies;
if (delayedDeliveryPolicies == null) {
delayedDeliveryPolicies = DelayedDeliveryPolicies.builder()
.tickTime(pulsar().getConfiguration().getDelayedDeliveryTickTimeMillis())
.active(pulsar().getConfiguration().isDelayedDeliveryEnabled())
.build();
}
}
return CompletableFuture.completedFuture(delayedDeliveryPolicies);
}
protected CompletableFuture<OffloadPoliciesImpl> internalGetOffloadPolicies(boolean applied) {
OffloadPoliciesImpl offloadPolicies =
getTopicPolicies(topicName).map(TopicPolicies::getOffloadPolicies).orElse(null);
if (applied) {
OffloadPoliciesImpl namespacePolicy =
(OffloadPoliciesImpl) getNamespacePolicies(namespaceName).offload_policies;
offloadPolicies = OffloadPoliciesImpl.mergeConfiguration(offloadPolicies
, namespacePolicy, pulsar().getConfiguration().getProperties());
}
return CompletableFuture.completedFuture(offloadPolicies);
}
protected CompletableFuture<Void> internalSetOffloadPolicies(OffloadPoliciesImpl offloadPolicies) {
TopicPolicies topicPolicies = null;
try {
topicPolicies = pulsar().getTopicPoliciesService().getTopicPolicies(topicName);
} catch (BrokerServiceException.TopicPoliciesCacheNotInitException e) {
log.error("Topic {} policies have not been initialized yet.", topicName);
throw new RestException(Status.PRECONDITION_FAILED, "Policies have not been initialized yet");
}
if (topicPolicies == null) {
topicPolicies = new TopicPolicies();
}
topicPolicies.setOffloadPolicies(offloadPolicies);
CompletableFuture<Void> completableFuture = new CompletableFuture<>();
pulsar().getTopicPoliciesService().updateTopicPoliciesAsync(topicName, topicPolicies)
.thenCompose((res) -> {
//The policy update is asynchronous. Cache at this step may not be updated yet.
//So we need to set the loader by the incoming offloadPolicies instead of topic policies cache.
PartitionedTopicMetadata metadata = fetchPartitionedTopicMetadata(pulsar(), topicName);
if (metadata.partitions > 0) {
List<CompletableFuture<Void>> futures = new ArrayList<>(metadata.partitions);
for (int i = 0; i < metadata.partitions; i++) {
futures.add(internalUpdateOffloadPolicies(offloadPolicies, topicName.getPartition(i)));
}
return FutureUtil.waitForAll(futures);
} else {
return internalUpdateOffloadPolicies(offloadPolicies, topicName);
}
})
.whenComplete((result, e) -> {
if (e != null) {
completableFuture.completeExceptionally(e);
} else {
completableFuture.complete(null);
}
});
return completableFuture;
}
protected CompletableFuture<InactiveTopicPolicies> internalGetInactiveTopicPolicies(boolean applied) {
InactiveTopicPolicies inactiveTopicPolicies = getTopicPolicies(topicName)
.map(TopicPolicies::getInactiveTopicPolicies)
.orElseGet(() -> {
if (applied) {
InactiveTopicPolicies policies = getNamespacePolicies(namespaceName).inactive_topic_policies;
return policies == null ? new InactiveTopicPolicies(
config().getBrokerDeleteInactiveTopicsMode(),
config().getBrokerDeleteInactiveTopicsMaxInactiveDurationSeconds(),
config().isBrokerDeleteInactiveTopicsEnabled()) : policies;
}
return null;
});
return CompletableFuture.completedFuture(inactiveTopicPolicies);
}
protected CompletableFuture<Void> internalSetInactiveTopicPolicies(InactiveTopicPolicies inactiveTopicPolicies) {
TopicPolicies topicPolicies = null;
try {
topicPolicies = pulsar().getTopicPoliciesService().getTopicPolicies(topicName);
} catch (BrokerServiceException.TopicPoliciesCacheNotInitException e) {
log.error("Topic {} policies have not been initialized yet.", topicName);
return FutureUtil.failedFuture(new RestException(Status.PRECONDITION_FAILED,
"Policies have not been initialized yet"));
}
if (topicPolicies == null) {
topicPolicies = new TopicPolicies();
}
topicPolicies.setInactiveTopicPolicies(inactiveTopicPolicies);
return pulsar().getTopicPoliciesService().updateTopicPoliciesAsync(topicName, topicPolicies);
}
private CompletableFuture<Void> internalUpdateOffloadPolicies(OffloadPoliciesImpl offloadPolicies,
TopicName topicName) {
return pulsar().getBrokerService().getTopicIfExists(topicName.toString())
.thenAccept(optionalTopic -> {
try {
if (!optionalTopic.isPresent() || !topicName.isPersistent()) {
return;
}
PersistentTopic persistentTopic = (PersistentTopic) optionalTopic.get();
ManagedLedgerConfig managedLedgerConfig = persistentTopic.getManagedLedger().getConfig();
if (offloadPolicies == null) {
LedgerOffloader namespaceOffloader =
pulsar().getLedgerOffloaderMap().get(topicName.getNamespaceObject());
LedgerOffloader topicOffloader = managedLedgerConfig.getLedgerOffloader();
if (topicOffloader != null && topicOffloader != namespaceOffloader) {
topicOffloader.close();
}
managedLedgerConfig.setLedgerOffloader(namespaceOffloader);
} else {
managedLedgerConfig.setLedgerOffloader(
pulsar().createManagedLedgerOffloader(offloadPolicies));
}
persistentTopic.getManagedLedger().setConfig(managedLedgerConfig);
} catch (PulsarServerException e) {
throw new RestException(e);
}
});
}
protected CompletableFuture<Integer> internalGetMaxUnackedMessagesOnSubscription(boolean applied) {
Integer maxNum = getTopicPolicies(topicName)
.map(TopicPolicies::getMaxUnackedMessagesOnSubscription)
.orElseGet(() -> {
if (applied) {
Integer maxUnackedNum = getNamespacePolicies(namespaceName)
.max_unacked_messages_per_subscription;
return maxUnackedNum == null ? config().getMaxUnackedMessagesPerSubscription() : maxUnackedNum;
}
return null;
});
return CompletableFuture.completedFuture(maxNum);
}
protected CompletableFuture<Void> internalSetMaxUnackedMessagesOnSubscription(Integer maxUnackedNum) {
if (maxUnackedNum != null && maxUnackedNum < 0) {
throw new RestException(Status.PRECONDITION_FAILED,
"maxUnackedNum must be 0 or more");
}
TopicPolicies topicPolicies = null;
try {
topicPolicies = pulsar().getTopicPoliciesService().getTopicPolicies(topicName);
} catch (BrokerServiceException.TopicPoliciesCacheNotInitException e) {
log.error("Topic {} policies have not been initialized yet.", topicName);
throw new RestException(Status.PRECONDITION_FAILED, "Policies have not been initialized yet");
}
if (topicPolicies == null) {
topicPolicies = new TopicPolicies();
}
topicPolicies.setMaxUnackedMessagesOnSubscription(maxUnackedNum);
return pulsar().getTopicPoliciesService().updateTopicPoliciesAsync(topicName, topicPolicies);
}
protected CompletableFuture<Integer> internalGetMaxUnackedMessagesOnConsumer(boolean applied) {
Integer maxNum = getTopicPolicies(topicName)
.map(TopicPolicies::getMaxUnackedMessagesOnConsumer)
.orElseGet(() -> {
if (applied) {
Integer maxUnacked = getNamespacePolicies(namespaceName).max_unacked_messages_per_consumer;
return maxUnacked == null ? config().getMaxUnackedMessagesPerConsumer() : maxUnacked;
}
return null;
});
return CompletableFuture.completedFuture(maxNum);
}
protected CompletableFuture<Void> internalSetMaxUnackedMessagesOnConsumer(Integer maxUnackedNum) {
if (maxUnackedNum != null && maxUnackedNum < 0) {
throw new RestException(Status.PRECONDITION_FAILED,
"maxUnackedNum must be 0 or more");
}
TopicPolicies topicPolicies = null;
try {
topicPolicies = pulsar().getTopicPoliciesService().getTopicPolicies(topicName);
} catch (BrokerServiceException.TopicPoliciesCacheNotInitException e) {
log.error("Topic {} policies have not been initialized yet.", topicName);
return FutureUtil.failedFuture(new RestException(Status.PRECONDITION_FAILED,
"Policies have not been initialized yet"));
}
if (topicPolicies == null) {
topicPolicies = new TopicPolicies();
}
topicPolicies.setMaxUnackedMessagesOnConsumer(maxUnackedNum);
return pulsar().getTopicPoliciesService().updateTopicPoliciesAsync(topicName, topicPolicies);
}
protected CompletableFuture<Void> internalSetDeduplicationSnapshotInterval(Integer interval) {
if (interval != null && interval < 0) {
throw new RestException(Status.PRECONDITION_FAILED, "interval must be 0 or more");
}
TopicPolicies policies = getTopicPolicies(topicName).orElseGet(TopicPolicies::new);
policies.setDeduplicationSnapshotIntervalSeconds(interval);
return pulsar().getTopicPoliciesService().updateTopicPoliciesAsync(topicName, policies);
}
private void internalUnloadNonPartitionedTopic(AsyncResponse asyncResponse, boolean authoritative) {
try {
validateTopicOperation(topicName, TopicOperation.UNLOAD);
} catch (Exception e) {
log.error("[{}] Failed to unload topic {}", clientAppId(), topicName, e.getMessage());
resumeAsyncResponseExceptionally(asyncResponse, e);
return;
}
validateTopicOwnershipAsync(topicName, authoritative)
.thenCompose(__ -> getTopicReferenceAsync(topicName))
.thenCompose(topic -> topic.close(false))
.thenRun(() -> {
log.info("[{}] Successfully unloaded topic {}", clientAppId(), topicName);
asyncResponse.resume(Response.noContent().build());
})
.exceptionally(ex -> {
log.error("[{}] Failed to unload topic {}, {}", clientAppId(), topicName, ex.getMessage());
asyncResponse.resume(ex.getCause());
return null;
});
}
protected void internalDeleteTopic(boolean authoritative, boolean force, boolean deleteSchema) {
if (force) {
internalDeleteTopicForcefully(authoritative, deleteSchema);
} else {
internalDeleteTopic(authoritative, deleteSchema);
}
}
protected void internalDeleteTopic(boolean authoritative, boolean deleteSchema) {
validateNamespaceOperation(topicName.getNamespaceObject(), NamespaceOperation.DELETE_TOPIC);
validateTopicOwnership(topicName, authoritative);