Examples with ServiceInfo io.confluent.ksql.ServiceInfo used on opensource projects

Example 1 with ServiceInfo

use of io.confluent.ksql.ServiceInfo in project ksql by confluentinc.

the class KsqlContext method create.

/**
 * Create a KSQL context object with the given properties. A KSQL context has it's own metastore
 * valid during the life of the object.
 */
public static KsqlContext create(final KsqlConfig ksqlConfig, final ProcessingLogContext processingLogContext, final MetricCollectors metricCollectors) {
    Objects.requireNonNull(ksqlConfig, "ksqlConfig cannot be null.");
    final ServiceContext serviceContext = ServiceContextFactory.create(ksqlConfig, DisabledKsqlClient::instance);
    final MutableFunctionRegistry functionRegistry = new InternalFunctionRegistry();
    UserFunctionLoader.newInstance(ksqlConfig, functionRegistry, ".", metricCollectors.getMetrics()).load();
    final ServiceInfo serviceInfo = ServiceInfo.create(ksqlConfig);
    final KsqlEngine engine = new KsqlEngine(serviceContext, processingLogContext, functionRegistry, serviceInfo, new SequentialQueryIdGenerator(), ksqlConfig, Collections.emptyList(), metricCollectors);
    return new KsqlContext(serviceContext, ksqlConfig, engine, Injectors.DEFAULT);
}

Example 2 with ServiceInfo

use of io.confluent.ksql.ServiceInfo in project ksql by confluentinc.

the class KsqlRestApplication method buildApplication.

@SuppressWarnings({ "checkstyle:JavaNCSS", "checkstyle:MethodLength", "checkstyle:ParameterNumber" })
static KsqlRestApplication buildApplication(final String metricsPrefix, final KsqlRestConfig restConfig, final Function<Supplier<Boolean>, VersionCheckerAgent> versionCheckerFactory, final int maxStatementRetries, final ServiceContext serviceContext, final Supplier<SchemaRegistryClient> schemaRegistryClientFactory, final ConnectClientFactory connectClientFactory, final Vertx vertx, final KsqlClient sharedClient, final DefaultServiceContextFactory defaultServiceContextFactory, final UserServiceContextFactory userServiceContextFactory, final MetricCollectors metricCollectors) {
    final String ksqlInstallDir = restConfig.getString(KsqlRestConfig.INSTALL_DIR_CONFIG);
    final KsqlConfig ksqlConfig = new KsqlConfig(restConfig.getKsqlConfigProperties());
    final ProcessingLogConfig processingLogConfig = new ProcessingLogConfig(restConfig.getOriginals());
    final ProcessingLogContext processingLogContext = ProcessingLogContext.create(processingLogConfig);
    final MutableFunctionRegistry functionRegistry = new InternalFunctionRegistry();
    if (restConfig.getBoolean(KsqlRestConfig.KSQL_SERVER_ENABLE_UNCAUGHT_EXCEPTION_HANDLER)) {
        Thread.setDefaultUncaughtExceptionHandler(new KsqlUncaughtExceptionHandler(LogManager::shutdown));
    }
    final SpecificQueryIdGenerator specificQueryIdGenerator = new SpecificQueryIdGenerator();
    final String stateDir = ksqlConfig.getKsqlStreamConfigProps().getOrDefault(StreamsConfig.STATE_DIR_CONFIG, StreamsConfig.configDef().defaultValues().get(StreamsConfig.STATE_DIR_CONFIG)).toString();
    final ServiceInfo serviceInfo = ServiceInfo.create(ksqlConfig, metricsPrefix);
    final Map<String, String> metricsTags = ImmutableMap.<String, String>builder().putAll(serviceInfo.customMetricsTags()).put(KsqlConstants.KSQL_SERVICE_ID_METRICS_TAG, serviceInfo.serviceId()).build();
    StorageUtilizationMetricsReporter.configureShared(new File(stateDir), metricCollectors.getMetrics(), ksqlConfig.getStringAsMap(KsqlConfig.KSQL_CUSTOM_METRICS_TAGS));
    final ScheduledExecutorService executorService = Executors.newScheduledThreadPool(1, new ThreadFactoryBuilder().setNameFormat("ksql-csu-metrics-reporter-%d").build());
    final ScheduledExecutorService leakedResourcesReporter = Executors.newScheduledThreadPool(1, new ThreadFactoryBuilder().setNameFormat("ksql-leaked-resources-metrics-reporter-%d").build());
    final KsqlEngine ksqlEngine = new KsqlEngine(serviceContext, processingLogContext, functionRegistry, serviceInfo, specificQueryIdGenerator, new KsqlConfig(restConfig.getKsqlConfigProperties()), Collections.emptyList(), metricCollectors);
    final PersistentQuerySaturationMetrics saturation = new PersistentQuerySaturationMetrics(ksqlEngine, new JmxDataPointsReporter(metricCollectors.getMetrics(), "ksqldb_utilization", Duration.ofMinutes(1)), Duration.ofMinutes(5), Duration.ofSeconds(30), ksqlConfig.getStringAsMap(KsqlConfig.KSQL_CUSTOM_METRICS_TAGS));
    executorService.scheduleAtFixedRate(saturation, 0, Duration.ofMinutes(1).toMillis(), TimeUnit.MILLISECONDS);
    final int transientQueryCleanupServicePeriod = ksqlConfig.getInt(KsqlConfig.KSQL_TRANSIENT_QUERY_CLEANUP_SERVICE_PERIOD_SECONDS);
    final LeakedResourcesMetrics leaked = new LeakedResourcesMetrics(ksqlEngine, new JmxDataPointsReporter(metricCollectors.getMetrics(), ReservedInternalTopics.KSQL_INTERNAL_TOPIC_PREFIX + ksqlConfig.getString(KsqlConfig.KSQL_SERVICE_ID_CONFIG) + ".leaked_resources_metrics", Duration.ofSeconds(transientQueryCleanupServicePeriod)), ksqlConfig.getStringAsMap(KsqlConfig.KSQL_CUSTOM_METRICS_TAGS));
    leakedResourcesReporter.scheduleAtFixedRate(leaked, 0, transientQueryCleanupServicePeriod, TimeUnit.SECONDS);
    UserFunctionLoader.newInstance(ksqlConfig, functionRegistry, ksqlInstallDir, metricCollectors.getMetrics()).load();
    final String commandTopicName = ReservedInternalTopics.commandTopic(ksqlConfig);
    final Admin internalAdmin = createCommandTopicAdminClient(restConfig, ksqlConfig);
    final KafkaTopicClient internalTopicClient = new KafkaTopicClientImpl(() -> internalAdmin);
    final CommandStore commandStore = CommandStore.Factory.create(ksqlConfig, commandTopicName, Duration.ofMillis(restConfig.getLong(DISTRIBUTED_COMMAND_RESPONSE_TIMEOUT_MS_CONFIG)), ksqlConfig.addConfluentMetricsContextConfigsKafka(restConfig.getCommandConsumerProperties()), ksqlConfig.addConfluentMetricsContextConfigsKafka(restConfig.getCommandProducerProperties()), internalTopicClient);
    final InteractiveStatementExecutor statementExecutor = new InteractiveStatementExecutor(serviceContext, ksqlEngine, specificQueryIdGenerator);
    final StatusResource statusResource = new StatusResource(statementExecutor);
    final VersionCheckerAgent versionChecker = versionCheckerFactory.apply(ksqlEngine::hasActiveQueries);
    final ServerState serverState = new ServerState();
    final KsqlSecurityExtension securityExtension = loadSecurityExtension(ksqlConfig);
    final KsqlSecurityContextProvider ksqlSecurityContextProvider = new DefaultKsqlSecurityContextProvider(securityExtension, defaultServiceContextFactory, userServiceContextFactory, ksqlConfig, schemaRegistryClientFactory, connectClientFactory, sharedClient);
    final Optional<AuthenticationPlugin> securityHandlerPlugin = loadAuthenticationPlugin(restConfig);
    final Optional<KsqlAuthorizationValidator> authorizationValidator = KsqlAuthorizationValidatorFactory.create(ksqlConfig, serviceContext, securityExtension.getAuthorizationProvider());
    final Errors errorHandler = new Errors(restConfig.getConfiguredInstance(KsqlRestConfig.KSQL_SERVER_ERROR_MESSAGES, ErrorMessages.class));
    final ConnectServerErrors connectErrorHandler = loadConnectErrorHandler(ksqlConfig);
    final Optional<LagReportingAgent> lagReportingAgent = initializeLagReportingAgent(restConfig, ksqlEngine, serviceContext);
    final Optional<HeartbeatAgent> heartbeatAgent = initializeHeartbeatAgent(restConfig, ksqlEngine, serviceContext, lagReportingAgent);
    final RoutingFilterFactory routingFilterFactory = initializeRoutingFilterFactory(ksqlConfig, heartbeatAgent, lagReportingAgent);
    final RateLimiter pullQueryRateLimiter = new RateLimiter(ksqlConfig.getInt(KsqlConfig.KSQL_QUERY_PULL_MAX_QPS_CONFIG), "pull", metricCollectors.getMetrics(), metricsTags);
    final ConcurrencyLimiter pullQueryConcurrencyLimiter = new ConcurrencyLimiter(ksqlConfig.getInt(KsqlConfig.KSQL_QUERY_PULL_MAX_CONCURRENT_REQUESTS_CONFIG), "pull", metricCollectors.getMetrics(), metricsTags);
    final SlidingWindowRateLimiter pullBandRateLimiter = new SlidingWindowRateLimiter(ksqlConfig.getInt(KsqlConfig.KSQL_QUERY_PULL_MAX_HOURLY_BANDWIDTH_MEGABYTES_CONFIG), NUM_MILLISECONDS_IN_HOUR, "pull", metricCollectors.getMetrics(), metricsTags);
    final SlidingWindowRateLimiter scalablePushBandRateLimiter = new SlidingWindowRateLimiter(ksqlConfig.getInt(KsqlConfig.KSQL_QUERY_PUSH_V2_MAX_HOURLY_BANDWIDTH_MEGABYTES_CONFIG), NUM_MILLISECONDS_IN_HOUR, "push", metricCollectors.getMetrics(), metricsTags);
    final DenyListPropertyValidator denyListPropertyValidator = new DenyListPropertyValidator(ksqlConfig.getList(KsqlConfig.KSQL_PROPERTIES_OVERRIDES_DENYLIST));
    final Optional<PullQueryExecutorMetrics> pullQueryMetrics = ksqlConfig.getBoolean(KsqlConfig.KSQL_QUERY_PULL_METRICS_ENABLED) ? Optional.of(new PullQueryExecutorMetrics(ksqlEngine.getServiceId(), ksqlConfig.getStringAsMap(KsqlConfig.KSQL_CUSTOM_METRICS_TAGS), Time.SYSTEM, metricCollectors.getMetrics())) : Optional.empty();
    final Optional<ScalablePushQueryMetrics> scalablePushQueryMetrics = ksqlConfig.getBoolean(KsqlConfig.KSQL_QUERY_PUSH_V2_ENABLED) ? Optional.of(new ScalablePushQueryMetrics(ksqlEngine.getServiceId(), ksqlConfig.getStringAsMap(KsqlConfig.KSQL_CUSTOM_METRICS_TAGS), Time.SYSTEM, metricCollectors.getMetrics())) : Optional.empty();
    final HARouting pullQueryRouting = new HARouting(routingFilterFactory, pullQueryMetrics, ksqlConfig);
    final PushRouting pushQueryRouting = new PushRouting();
    final Optional<LocalCommands> localCommands = createLocalCommands(restConfig, ksqlEngine);
    final QueryExecutor queryExecutor = new QueryExecutor(ksqlEngine, restConfig, ksqlConfig, pullQueryMetrics, scalablePushQueryMetrics, pullQueryRateLimiter, pullQueryConcurrencyLimiter, pullBandRateLimiter, scalablePushBandRateLimiter, pullQueryRouting, pushQueryRouting, localCommands);
    final StreamedQueryResource streamedQueryResource = new StreamedQueryResource(ksqlEngine, restConfig, commandStore, Duration.ofMillis(restConfig.getLong(KsqlRestConfig.STREAMED_QUERY_DISCONNECT_CHECK_MS_CONFIG)), Duration.ofMillis(restConfig.getLong(DISTRIBUTED_COMMAND_RESPONSE_TIMEOUT_MS_CONFIG)), versionChecker::updateLastRequestTime, authorizationValidator, errorHandler, denyListPropertyValidator, queryExecutor);
    final List<String> managedTopics = new LinkedList<>();
    managedTopics.add(commandTopicName);
    if (processingLogConfig.getBoolean(ProcessingLogConfig.TOPIC_AUTO_CREATE)) {
        managedTopics.add(ProcessingLogServerUtils.getTopicName(processingLogConfig, ksqlConfig));
    }
    final CommandRunner commandRunner = new CommandRunner(statementExecutor, commandStore, maxStatementRetries, new ClusterTerminator(ksqlEngine, serviceContext, managedTopics), serverState, ksqlConfig.getString(KsqlConfig.KSQL_SERVICE_ID_CONFIG), Duration.ofMillis(restConfig.getLong(KsqlRestConfig.KSQL_COMMAND_RUNNER_BLOCKED_THRESHHOLD_ERROR_MS)), metricsPrefix, InternalTopicSerdes.deserializer(Command.class), errorHandler, internalTopicClient, commandTopicName, metricCollectors.getMetrics());
    final KsqlResource ksqlResource = new KsqlResource(ksqlEngine, commandRunner, Duration.ofMillis(restConfig.getLong(DISTRIBUTED_COMMAND_RESPONSE_TIMEOUT_MS_CONFIG)), versionChecker::updateLastRequestTime, authorizationValidator, errorHandler, connectErrorHandler, denyListPropertyValidator);
    final List<KsqlServerPrecondition> preconditions = restConfig.getConfiguredInstances(KsqlRestConfig.KSQL_SERVER_PRECONDITIONS, KsqlServerPrecondition.class);
    final List<KsqlConfigurable> configurables = ImmutableList.of(ksqlResource, streamedQueryResource, statementExecutor);
    final Consumer<KsqlConfig> rocksDBConfigSetterHandler = RocksDBConfigSetterHandler::maybeConfigureRocksDBConfigSetter;
    return new KsqlRestApplication(serviceContext, ksqlEngine, ksqlConfig, restConfig, commandRunner, commandStore, statusResource, streamedQueryResource, ksqlResource, versionChecker, ksqlSecurityContextProvider, securityExtension, securityHandlerPlugin, serverState, processingLogContext, preconditions, configurables, rocksDBConfigSetterHandler, heartbeatAgent, lagReportingAgent, vertx, denyListPropertyValidator, pullQueryMetrics, scalablePushQueryMetrics, localCommands, queryExecutor, metricCollectors, internalTopicClient, internalAdmin);
}