Examples with CreateTopicsRequestData org.apache.kafka.common.message.CreateTopicsRequestData used on opensource projects

Example 21 with CreateTopicsRequestData

use of org.apache.kafka.common.message.CreateTopicsRequestData in project kafka by apache.

the class ReplicationControlManagerTest method testInvalidCreateTopicsWithValidateOnlyFlag.

@Test
public void testInvalidCreateTopicsWithValidateOnlyFlag() throws Exception {
    ReplicationControlTestContext ctx = new ReplicationControlTestContext();
    ctx.registerBrokers(0, 1, 2);
    ctx.unfenceBrokers(0, 1, 2);
    CreateTopicsRequestData request = new CreateTopicsRequestData().setValidateOnly(true);
    request.topics().add(new CreatableTopic().setName("foo").setNumPartitions(1).setReplicationFactor((short) 4));
    ControllerResult<CreateTopicsResponseData> result = ctx.replicationControl.createTopics(request);
    assertEquals(0, result.records().size());
    CreateTopicsResponseData expectedResponse = new CreateTopicsResponseData();
    expectedResponse.topics().add(new CreatableTopicResult().setName("foo").setErrorCode(Errors.INVALID_REPLICATION_FACTOR.code()).setErrorMessage("Unable to replicate the partition 4 time(s): The target " + "replication factor of 4 cannot be reached because only 3 broker(s) " + "are registered."));
    assertEquals(expectedResponse, result.response());
}

Example 22 with CreateTopicsRequestData

use of org.apache.kafka.common.message.CreateTopicsRequestData in project kafka by apache.

the class ReplicationControlManager method createTopics.

ControllerResult<CreateTopicsResponseData> createTopics(CreateTopicsRequestData request) {
    Map<String, ApiError> topicErrors = new HashMap<>();
    List<ApiMessageAndVersion> records = new ArrayList<>();
    // Check the topic names.
    validateNewTopicNames(topicErrors, request.topics());
    // Identify topics that already exist and mark them with the appropriate error
    request.topics().stream().filter(creatableTopic -> topicsByName.containsKey(creatableTopic.name())).forEach(t -> topicErrors.put(t.name(), new ApiError(Errors.TOPIC_ALREADY_EXISTS, "Topic '" + t.name() + "' already exists.")));
    // Verify that the configurations for the new topics are OK, and figure out what
    // ConfigRecords should be created.
    Map<ConfigResource, Map<String, Entry<OpType, String>>> configChanges = computeConfigChanges(topicErrors, request.topics());
    ControllerResult<Map<ConfigResource, ApiError>> configResult = configurationControl.incrementalAlterConfigs(configChanges, NO_OP_EXISTENCE_CHECKER);
    for (Entry<ConfigResource, ApiError> entry : configResult.response().entrySet()) {
        if (entry.getValue().isFailure()) {
            topicErrors.put(entry.getKey().name(), entry.getValue());
        }
    }
    records.addAll(configResult.records());
    // Try to create whatever topics are needed.
    Map<String, CreatableTopicResult> successes = new HashMap<>();
    for (CreatableTopic topic : request.topics()) {
        if (topicErrors.containsKey(topic.name()))
            continue;
        ApiError error;
        try {
            error = createTopic(topic, records, successes);
        } catch (ApiException e) {
            error = ApiError.fromThrowable(e);
        }
        if (error.isFailure()) {
            topicErrors.put(topic.name(), error);
        }
    }
    // Create responses for all topics.
    CreateTopicsResponseData data = new CreateTopicsResponseData();
    StringBuilder resultsBuilder = new StringBuilder();
    String resultsPrefix = "";
    for (CreatableTopic topic : request.topics()) {
        ApiError error = topicErrors.get(topic.name());
        if (error != null) {
            data.topics().add(new CreatableTopicResult().setName(topic.name()).setErrorCode(error.error().code()).setErrorMessage(error.message()));
            resultsBuilder.append(resultsPrefix).append(topic).append(": ").append(error.error()).append(" (").append(error.message()).append(")");
            resultsPrefix = ", ";
            continue;
        }
        CreatableTopicResult result = successes.get(topic.name());
        data.topics().add(result);
        resultsBuilder.append(resultsPrefix).append(topic).append(": ").append("SUCCESS");
        resultsPrefix = ", ";
    }
    if (request.validateOnly()) {
        log.info("Validate-only CreateTopics result(s): {}", resultsBuilder.toString());
        return ControllerResult.atomicOf(Collections.emptyList(), data);
    } else {
        log.info("CreateTopics result(s): {}", resultsBuilder.toString());
        return ControllerResult.atomicOf(records, data);
    }
}

Example 23 with CreateTopicsRequestData

use of org.apache.kafka.common.message.CreateTopicsRequestData in project kafka by apache.

the class KafkaAdminClient method getCreateTopicsCall.

private Call getCreateTopicsCall(final CreateTopicsOptions options, final Map<String, KafkaFutureImpl<TopicMetadataAndConfig>> futures, final CreatableTopicCollection topics, final Map<String, ThrottlingQuotaExceededException> quotaExceededExceptions, final long now, final long deadline) {
    return new Call("createTopics", deadline, new ControllerNodeProvider()) {

        @Override
        public CreateTopicsRequest.Builder createRequest(int timeoutMs) {
            return new CreateTopicsRequest.Builder(new CreateTopicsRequestData().setTopics(topics).setTimeoutMs(timeoutMs).setValidateOnly(options.shouldValidateOnly()));
        }

        @Override
        public void handleResponse(AbstractResponse abstractResponse) {
            // Check for controller change
            handleNotControllerError(abstractResponse);
            // Handle server responses for particular topics.
            final CreateTopicsResponse response = (CreateTopicsResponse) abstractResponse;
            final CreatableTopicCollection retryTopics = new CreatableTopicCollection();
            final Map<String, ThrottlingQuotaExceededException> retryTopicQuotaExceededExceptions = new HashMap<>();
            for (CreatableTopicResult result : response.data().topics()) {
                KafkaFutureImpl<TopicMetadataAndConfig> future = futures.get(result.name());
                if (future == null) {
                    log.warn("Server response mentioned unknown topic {}", result.name());
                } else {
                    ApiError error = new ApiError(result.errorCode(), result.errorMessage());
                    if (error.isFailure()) {
                        if (error.is(Errors.THROTTLING_QUOTA_EXCEEDED)) {
                            ThrottlingQuotaExceededException quotaExceededException = new ThrottlingQuotaExceededException(response.throttleTimeMs(), error.messageWithFallback());
                            if (options.shouldRetryOnQuotaViolation()) {
                                retryTopics.add(topics.find(result.name()).duplicate());
                                retryTopicQuotaExceededExceptions.put(result.name(), quotaExceededException);
                            } else {
                                future.completeExceptionally(quotaExceededException);
                            }
                        } else {
                            future.completeExceptionally(error.exception());
                        }
                    } else {
                        TopicMetadataAndConfig topicMetadataAndConfig;
                        if (result.topicConfigErrorCode() != Errors.NONE.code()) {
                            topicMetadataAndConfig = new TopicMetadataAndConfig(Errors.forCode(result.topicConfigErrorCode()).exception());
                        } else if (result.numPartitions() == CreateTopicsResult.UNKNOWN) {
                            topicMetadataAndConfig = new TopicMetadataAndConfig(new UnsupportedVersionException("Topic metadata and configs in CreateTopics response not supported"));
                        } else {
                            List<CreatableTopicConfigs> configs = result.configs();
                            Config topicConfig = new Config(configs.stream().map(this::configEntry).collect(Collectors.toSet()));
                            topicMetadataAndConfig = new TopicMetadataAndConfig(result.topicId(), result.numPartitions(), result.replicationFactor(), topicConfig);
                        }
                        future.complete(topicMetadataAndConfig);
                    }
                }
            }
            // If there are topics to retry, retry them; complete unrealized futures otherwise.
            if (retryTopics.isEmpty()) {
                // The server should send back a response for every topic. But do a sanity check anyway.
                completeUnrealizedFutures(futures.entrySet().stream(), topic -> "The controller response did not contain a result for topic " + topic);
            } else {
                final long now = time.milliseconds();
                final Call call = getCreateTopicsCall(options, futures, retryTopics, retryTopicQuotaExceededExceptions, now, deadline);
                runnable.call(call, now);
            }
        }

        private ConfigEntry configEntry(CreatableTopicConfigs config) {
            return new ConfigEntry(config.name(), config.value(), configSource(DescribeConfigsResponse.ConfigSource.forId(config.configSource())), config.isSensitive(), config.readOnly(), Collections.emptyList(), null, null);
        }

        @Override
        void handleFailure(Throwable throwable) {
            // If there were any topics retries due to a quota exceeded exception, we propagate
            // the initial error back to the caller if the request timed out.
            maybeCompleteQuotaExceededException(options.shouldRetryOnQuotaViolation(), throwable, futures, quotaExceededExceptions, (int) (time.milliseconds() - now));
            // Fail all the other remaining futures
            completeAllExceptionally(futures.values(), throwable);
        }
    };
}