src/main/java/org/apache/cassandra/sidecar/server/MainModule.java

/*
 * 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.cassandra.sidecar.server;

import java.io.IOException;
import java.nio.file.Path;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;

import com.google.common.util.concurrent.SidecarRateLimiter;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.codahale.metrics.MetricRegistry;
import com.datastax.driver.core.NettyOptions;
import com.google.inject.AbstractModule;
import com.google.inject.Provides;
import com.google.inject.Singleton;
import com.google.inject.name.Named;
import io.netty.handler.codec.http.HttpResponseStatus;
import io.vertx.core.Vertx;
import io.vertx.core.VertxOptions;
import io.vertx.core.http.HttpMethod;
import io.vertx.ext.dropwizard.DropwizardMetricsOptions;
import io.vertx.ext.dropwizard.Match;
import io.vertx.ext.dropwizard.MatchType;
import io.vertx.ext.web.Router;
import io.vertx.ext.web.handler.BodyHandler;
import io.vertx.ext.web.handler.ErrorHandler;
import io.vertx.ext.web.handler.LoggerHandler;
import io.vertx.ext.web.handler.StaticHandler;
import io.vertx.ext.web.handler.TimeoutHandler;
import org.apache.cassandra.sidecar.adapters.base.CassandraFactory;
import org.apache.cassandra.sidecar.adapters.cassandra41.Cassandra41Factory;
import org.apache.cassandra.sidecar.cluster.CQLSessionProviderImpl;
import org.apache.cassandra.sidecar.cluster.CassandraAdapterDelegate;
import org.apache.cassandra.sidecar.cluster.InstancesConfig;
import org.apache.cassandra.sidecar.cluster.InstancesConfigImpl;
import org.apache.cassandra.sidecar.cluster.instance.InstanceMetadata;
import org.apache.cassandra.sidecar.cluster.instance.InstanceMetadataImpl;
import org.apache.cassandra.sidecar.common.ApiEndpointsV1;
import org.apache.cassandra.sidecar.common.CQLSessionProvider;
import org.apache.cassandra.sidecar.common.JmxClient;
import org.apache.cassandra.sidecar.common.dns.DnsResolver;
import org.apache.cassandra.sidecar.common.utils.DriverUtils;
import org.apache.cassandra.sidecar.common.utils.SidecarVersionProvider;
import org.apache.cassandra.sidecar.concurrent.ExecutorPools;
import org.apache.cassandra.sidecar.config.CassandraInputValidationConfiguration;
import org.apache.cassandra.sidecar.config.InstanceConfiguration;
import org.apache.cassandra.sidecar.config.JmxConfiguration;
import org.apache.cassandra.sidecar.config.ServiceConfiguration;
import org.apache.cassandra.sidecar.config.SidecarConfiguration;
import org.apache.cassandra.sidecar.config.VertxMetricsConfiguration;
import org.apache.cassandra.sidecar.config.yaml.SidecarConfigurationImpl;
import org.apache.cassandra.sidecar.db.schema.RestoreJobsSchema;
import org.apache.cassandra.sidecar.db.schema.RestoreSlicesSchema;
import org.apache.cassandra.sidecar.db.schema.SidecarInternalKeyspace;
import org.apache.cassandra.sidecar.db.schema.SidecarSchema;
import org.apache.cassandra.sidecar.logging.SidecarLoggerHandler;
import org.apache.cassandra.sidecar.metrics.MetricRegistryFactory;
import org.apache.cassandra.sidecar.routes.CassandraHealthHandler;
import org.apache.cassandra.sidecar.routes.DiskSpaceProtectionHandler;
import org.apache.cassandra.sidecar.routes.FileStreamHandler;
import org.apache.cassandra.sidecar.routes.GossipInfoHandler;
import org.apache.cassandra.sidecar.routes.JsonErrorHandler;
import org.apache.cassandra.sidecar.routes.RingHandler;
import org.apache.cassandra.sidecar.routes.RoutingOrder;
import org.apache.cassandra.sidecar.routes.SchemaHandler;
import org.apache.cassandra.sidecar.routes.SnapshotsHandler;
import org.apache.cassandra.sidecar.routes.StreamSSTableComponentHandler;
import org.apache.cassandra.sidecar.routes.TimeSkewHandler;
import org.apache.cassandra.sidecar.routes.TokenRangeReplicaMapHandler;
import org.apache.cassandra.sidecar.routes.cassandra.NodeSettingsHandler;
import org.apache.cassandra.sidecar.routes.restore.AbortRestoreJobHandler;
import org.apache.cassandra.sidecar.routes.restore.CreateRestoreJobHandler;
import org.apache.cassandra.sidecar.routes.restore.CreateRestoreSliceHandler;
import org.apache.cassandra.sidecar.routes.restore.RestoreJobSummaryHandler;
import org.apache.cassandra.sidecar.routes.restore.RestoreRequestValidationHandler;
import org.apache.cassandra.sidecar.routes.restore.UpdateRestoreJobHandler;
import org.apache.cassandra.sidecar.routes.sstableuploads.SSTableCleanupHandler;
import org.apache.cassandra.sidecar.routes.sstableuploads.SSTableImportHandler;
import org.apache.cassandra.sidecar.routes.sstableuploads.SSTableUploadHandler;
import org.apache.cassandra.sidecar.routes.validations.ValidateTableExistenceHandler;
import org.apache.cassandra.sidecar.stats.RestoreJobStats;
import org.apache.cassandra.sidecar.stats.SidecarSchemaStats;
import org.apache.cassandra.sidecar.stats.SidecarStats;
import org.apache.cassandra.sidecar.utils.CassandraVersionProvider;
import org.apache.cassandra.sidecar.utils.DigestAlgorithmProvider;
import org.apache.cassandra.sidecar.utils.JdkMd5DigestProvider;
import org.apache.cassandra.sidecar.utils.TimeProvider;
import org.apache.cassandra.sidecar.utils.XXHash32Provider;

import static org.apache.cassandra.sidecar.common.utils.ByteUtils.bytesToHumanReadableBinaryPrefix;
import static org.apache.cassandra.sidecar.server.SidecarServerEvents.ON_SERVER_STOP;

/**
 * Provides main binding for more complex Guice dependencies
 */
public class MainModule extends AbstractModule
{
    private static final Logger LOGGER = LoggerFactory.getLogger(MainModule.class);
    public static final Map<String, String> OK_STATUS = Collections.singletonMap("status", "OK");
    public static final Map<String, String> NOT_OK_STATUS = Collections.singletonMap("status", "NOT_OK");

    protected final Path confPath;

    /**
     * Constructs the Guice main module to run Cassandra Sidecar
     */
    public MainModule()
    {
        confPath = null;
    }

    /**
     * Constructs the Guice main module with the configured yaml {@code confPath} to run Cassandra Sidecar
     *
     * @param confPath the path to the yaml configuration file
     */
    public MainModule(Path confPath)
    {
        this.confPath = confPath;
    }

    @Provides
    @Singleton
    public Vertx vertx(SidecarConfiguration sidecarConfiguration, MetricRegistryFactory metricRegistryFactory)
    {
        VertxMetricsConfiguration metricsConfig = sidecarConfiguration.metricsConfiguration().vertxConfiguration();
        DropwizardMetricsOptions dropwizardMetricsOptions
        = new DropwizardMetricsOptions().setEnabled(metricsConfig.enabled())
                                        .setJmxEnabled(metricsConfig.exposeViaJMX())
                                        .setJmxDomain(metricsConfig.jmxDomainName())
                                        .setMetricRegistry(metricRegistryFactory.getOrCreate());
        for (String regex : metricsConfig.monitoredServerRouteRegexes())
        {
            dropwizardMetricsOptions.addMonitoredHttpServerRoute(new Match().setType(MatchType.REGEX).setValue(regex));
        }
        return Vertx.vertx(new VertxOptions().setMetricsOptions(dropwizardMetricsOptions));
    }

    @Provides
    @Singleton
    public Router vertxRouter(Vertx vertx,
                              ServiceConfiguration conf,
                              CassandraHealthHandler cassandraHealthHandler,
                              StreamSSTableComponentHandler streamSSTableComponentHandler,
                              FileStreamHandler fileStreamHandler,
                              SnapshotsHandler snapshotsHandler,
                              SchemaHandler schemaHandler,
                              RingHandler ringHandler,
                              TokenRangeReplicaMapHandler tokenRangeHandler,
                              LoggerHandler loggerHandler,
                              GossipInfoHandler gossipInfoHandler,
                              TimeSkewHandler timeSkewHandler,
                              NodeSettingsHandler nodeSettingsHandler,
                              SSTableUploadHandler ssTableUploadHandler,
                              SSTableImportHandler ssTableImportHandler,
                              SSTableCleanupHandler ssTableCleanupHandler,
                              RestoreRequestValidationHandler validateRestoreJobRequest,
                              DiskSpaceProtectionHandler diskSpaceProtection,
                              ValidateTableExistenceHandler validateTableExistence,
                              CreateRestoreJobHandler createRestoreJobHandler,
                              RestoreJobSummaryHandler restoreJobSummaryHandler,
                              UpdateRestoreJobHandler updateRestoreJobHandler,
                              AbortRestoreJobHandler abortRestoreJobHandler,
                              CreateRestoreSliceHandler createRestoreSliceHandler,
                              ErrorHandler errorHandler)
    {
        Router router = Router.router(vertx);
        router.route()
              .order(RoutingOrder.HIGHEST.order)
              .handler(loggerHandler)
              .handler(TimeoutHandler.create(conf.requestTimeoutMillis(),
                                             HttpResponseStatus.REQUEST_TIMEOUT.code()));

        router.route()
              .path(ApiEndpointsV1.API + "/*")
              .order(RoutingOrder.HIGHEST.order)
              .failureHandler(errorHandler);

        // Docs index.html page
        StaticHandler docs = StaticHandler.create("docs");
        router.route()
              .path("/docs/*")
              .handler(docs);

        // Add custom routers
        // Provides a simple REST endpoint to determine if Sidecar is available
        router.get(ApiEndpointsV1.HEALTH_ROUTE)
              .handler(context -> context.json(OK_STATUS));

        // Backwards compatibility for the Cassandra health endpoint
        //noinspection deprecation
        router.get(ApiEndpointsV1.CASSANDRA_HEALTH_ROUTE)
              .handler(cassandraHealthHandler);

        router.get(ApiEndpointsV1.CASSANDRA_NATIVE_HEALTH_ROUTE)
              .handler(cassandraHealthHandler);

        router.get(ApiEndpointsV1.CASSANDRA_JMX_HEALTH_ROUTE)
              .handler(cassandraHealthHandler);

        //noinspection deprecation
        router.get(ApiEndpointsV1.DEPRECATED_COMPONENTS_ROUTE)
              .handler(streamSSTableComponentHandler)
              .handler(fileStreamHandler);

        router.get(ApiEndpointsV1.COMPONENTS_ROUTE)
              .handler(streamSSTableComponentHandler)
              .handler(fileStreamHandler);

        // Support for routes that want to stream SStable index components
        router.get(ApiEndpointsV1.COMPONENTS_WITH_SECONDARY_INDEX_ROUTE_SUPPORT)
              .handler(streamSSTableComponentHandler)
              .handler(fileStreamHandler);

        //noinspection deprecation
        router.get(ApiEndpointsV1.DEPRECATED_SNAPSHOTS_ROUTE)
              .handler(snapshotsHandler);

        router.route()
              .method(HttpMethod.GET)
              .method(HttpMethod.PUT)
              .method(HttpMethod.DELETE)
              .path(ApiEndpointsV1.SNAPSHOTS_ROUTE)
              .handler(snapshotsHandler);

        //noinspection deprecation
        router.get(ApiEndpointsV1.DEPRECATED_ALL_KEYSPACES_SCHEMA_ROUTE)
              .handler(schemaHandler);

        router.get(ApiEndpointsV1.ALL_KEYSPACES_SCHEMA_ROUTE)
              .handler(schemaHandler);

        //noinspection deprecation
        router.get(ApiEndpointsV1.DEPRECATED_KEYSPACE_SCHEMA_ROUTE)
              .handler(schemaHandler);

        router.get(ApiEndpointsV1.KEYSPACE_SCHEMA_ROUTE)
              .handler(schemaHandler);

        router.get(ApiEndpointsV1.RING_ROUTE)
              .handler(ringHandler);

        router.get(ApiEndpointsV1.RING_ROUTE_PER_KEYSPACE)
              .handler(ringHandler);

        router.put(ApiEndpointsV1.SSTABLE_UPLOAD_ROUTE)
              .handler(ssTableUploadHandler);

        router.get(ApiEndpointsV1.KEYSPACE_TOKEN_MAPPING_ROUTE)
              .handler(tokenRangeHandler);

        router.put(ApiEndpointsV1.SSTABLE_IMPORT_ROUTE)
              .handler(ssTableImportHandler);

        router.delete(ApiEndpointsV1.SSTABLE_CLEANUP_ROUTE)
              .handler(ssTableCleanupHandler);

        router.get(ApiEndpointsV1.GOSSIP_INFO_ROUTE)
              .handler(gossipInfoHandler);

        router.get(ApiEndpointsV1.TIME_SKEW_ROUTE)
              .handler(timeSkewHandler);

        router.get(ApiEndpointsV1.NODE_SETTINGS_ROUTE)
              .handler(nodeSettingsHandler);

        router.post(ApiEndpointsV1.CREATE_RESTORE_JOB_ROUTE)
              .handler(BodyHandler.create())
              .handler(validateTableExistence)
              .handler(validateRestoreJobRequest)
              .handler(createRestoreJobHandler);

        router.post(ApiEndpointsV1.RESTORE_JOB_SLICES_ROUTE)
              .handler(BodyHandler.create())
              .handler(diskSpaceProtection) // reject creating slice if short of disk space
              .handler(validateTableExistence)
              .handler(validateRestoreJobRequest)
              .handler(createRestoreSliceHandler);

        router.get(ApiEndpointsV1.RESTORE_JOB_ROUTE)
              .handler(validateTableExistence)
              .handler(validateRestoreJobRequest)
              .handler(restoreJobSummaryHandler);

        router.patch(ApiEndpointsV1.RESTORE_JOB_ROUTE)
              .handler(BodyHandler.create())
              .handler(validateTableExistence)
              .handler(validateRestoreJobRequest)
              .handler(updateRestoreJobHandler);

        // we don't expect users to send body for abort requests, hence we don't use BodyHandler
        router.post(ApiEndpointsV1.ABORT_RESTORE_JOB_ROUTE)
              .handler(validateTableExistence)
              .handler(validateRestoreJobRequest)
              .handler(abortRestoreJobHandler);

        return router;
    }

    @Provides
    @Singleton
    public SidecarConfiguration sidecarConfiguration() throws IOException
    {
        if (confPath == null)
        {
            throw new NullPointerException("the YAML configuration path for Sidecar has not been defined.");
        }
        return SidecarConfigurationImpl.readYamlConfiguration(confPath);
    }

    @Provides
    @Singleton
    public ServiceConfiguration serviceConfiguration(SidecarConfiguration sidecarConfiguration)
    {
        return sidecarConfiguration.serviceConfiguration();
    }

    @Provides
    @Singleton
    public CassandraInputValidationConfiguration validationConfiguration(SidecarConfiguration configuration)
    {
        return configuration.cassandraInputValidationConfiguration();
    }

    @Provides
    @Singleton
    public CQLSessionProvider cqlSessionProvider(Vertx vertx, SidecarConfiguration sidecarConfiguration,
                                                 DriverUtils driverUtils)
    {
        CQLSessionProviderImpl cqlSessionProvider = new CQLSessionProviderImpl(sidecarConfiguration,
                                                                               new NettyOptions(),
                                                                               driverUtils);
        vertx.eventBus().localConsumer(ON_SERVER_STOP.address(), message -> cqlSessionProvider.close());
        return cqlSessionProvider;
    }

    @Provides
    @Singleton
    public DriverUtils driverUtils()
    {
        return new DriverUtils();
    }

    @Provides
    @Singleton
    public InstancesConfig instancesConfig(Vertx vertx,
                                           SidecarConfiguration configuration,
                                           CassandraVersionProvider cassandraVersionProvider,
                                           SidecarVersionProvider sidecarVersionProvider,
                                           DnsResolver dnsResolver,
                                           CQLSessionProvider cqlSessionProvider,
                                           DriverUtils driverUtils,
                                           MetricRegistryFactory registryProvider)
    {
        List<InstanceMetadata> instanceMetadataList =
        configuration.cassandraInstances()
                     .stream()
                     .map(cassandraInstance -> {
                         JmxConfiguration jmxConfiguration = configuration.serviceConfiguration().jmxConfiguration();
                         return buildInstanceMetadata(vertx,
                                                      cassandraInstance,
                                                      cassandraVersionProvider,
                                                      sidecarVersionProvider.sidecarVersion(),
                                                      jmxConfiguration,
                                                      cqlSessionProvider,
                                                      driverUtils,
                                                      registryProvider);
                     })
                     .collect(Collectors.toList());

        return new InstancesConfigImpl(instanceMetadataList, dnsResolver);
    }

    @Provides
    @Singleton
    public CassandraVersionProvider cassandraVersionProvider(DnsResolver dnsResolver, DriverUtils driverUtils)
    {
        return new CassandraVersionProvider.Builder()
               .add(new CassandraFactory(dnsResolver, driverUtils))
               .add(new Cassandra41Factory(dnsResolver, driverUtils))
               .build();
    }

    @Provides
    @Singleton
    @Named("StreamRequestRateLimiter")
    public SidecarRateLimiter streamRequestRateLimiter(ServiceConfiguration config)
    {
        long permitsPerSecond = config.throttleConfiguration().rateLimitStreamRequestsPerSecond();
        LOGGER.info("Configuring streamRequestRateLimiter. rateLimitStreamRequestsPerSecond={}",
                    permitsPerSecond);
        return SidecarRateLimiter.create(permitsPerSecond);
    }

    @Provides
    @Singleton
    @Named("IngressFileRateLimiter")
    public SidecarRateLimiter ingressFileRateLimiter(ServiceConfiguration config)
    {
        long bytesPerSecond = config.trafficShapingConfiguration()
                                    .inboundGlobalFileBandwidthBytesPerSecond();
        LOGGER.info("Configuring ingressFileRateLimiter. inboundGlobalFileBandwidth={}/s " +
                    "rawInboundGlobalFileBandwidth={} B/s", bytesToHumanReadableBinaryPrefix(bytesPerSecond),
                    bytesPerSecond);
        return SidecarRateLimiter.create(bytesPerSecond);
    }

    @Provides
    @Singleton
    public LoggerHandler loggerHandler()
    {
        return SidecarLoggerHandler.create(LoggerHandler.create());
    }

    @Provides
    @Singleton
    public TimeProvider timeProvider()
    {
        return TimeProvider.DEFAULT_TIME_PROVIDER;
    }

    @Provides
    @Singleton
    public ErrorHandler errorHandler()
    {
        return new JsonErrorHandler();
    }

    @Provides
    @Singleton
    public DnsResolver dnsResolver()
    {
        return DnsResolver.DEFAULT;
    }

    @Provides
    @Singleton
    public SidecarVersionProvider sidecarVersionProvider()
    {
        return new SidecarVersionProvider("/sidecar.version");
    }

    @Provides
    @Singleton
    public SidecarStats sidecarStats()
    {
        return SidecarStats.INSTANCE;
    }

    @Provides
    @Singleton
    public RestoreJobStats restoreJobStats()
    {
        return new RestoreJobStats()
        {
        };
    }

    @Provides
    @Singleton
    public SidecarSchemaStats sidecarSchemaStats()
    {
        return new SidecarSchemaStats()
        {
        };
    }

    @Provides
    @Singleton
    public RestoreJobsSchema restoreJobsSchema(SidecarConfiguration configuration)
    {
        return new RestoreJobsSchema(configuration.serviceConfiguration()
                                                  .schemaKeyspaceConfiguration(),
                                     configuration.restoreJobConfiguration()
                                                  .restoreJobTablesTtlSeconds());
    }

    @Provides
    @Singleton
    public RestoreSlicesSchema restoreSlicesSchema(SidecarConfiguration configuration)
    {
        return new RestoreSlicesSchema(configuration.serviceConfiguration()
                                                    .schemaKeyspaceConfiguration(),
                                       configuration.restoreJobConfiguration()
                                                    .restoreJobTablesTtlSeconds());
    }

    @Provides
    @Singleton
    public SidecarSchema sidecarSchema(Vertx vertx,
                                       ExecutorPools executorPools,
                                       SidecarConfiguration configuration,
                                       SidecarSchemaStats stats,
                                       CQLSessionProvider cqlSessionProvider,
                                       RestoreJobsSchema restoreJobsSchema,
                                       RestoreSlicesSchema restoreSlicesSchema)
    {
        SidecarInternalKeyspace sidecarInternalKeyspace = new SidecarInternalKeyspace(configuration);
        // register table schema when enabled
        sidecarInternalKeyspace.registerTableSchema(restoreJobsSchema);
        sidecarInternalKeyspace.registerTableSchema(restoreSlicesSchema);
        return new SidecarSchema(vertx, executorPools, configuration,
                                 stats, sidecarInternalKeyspace, cqlSessionProvider);
    }

    @Provides
    @Singleton
    public MetricRegistry globalMetricRegistry(MetricRegistryFactory registryProvider)
    {
        return registryProvider.getOrCreate();
    }

    /**
     * The provided hasher is used in {@link org.apache.cassandra.sidecar.restore.RestoreJobUtil}
     */
    @Provides
    @Singleton
    @Named("xxhash32")
    public DigestAlgorithmProvider xxHash32Provider()
    {
        return new XXHash32Provider();
    }

    @Provides
    @Singleton
    @Named("md5")
    public DigestAlgorithmProvider md5Provider()
    {
        return new JdkMd5DigestProvider();
    }

    /**
     * Builds the {@link InstanceMetadata} from the {@link InstanceConfiguration},
     * a provided {@code  versionProvider}, and {@code healthCheckFrequencyMillis}.
     *
     * @param vertx                 the vertx instance
     * @param cassandraInstance     the cassandra instance configuration
     * @param versionProvider       a Cassandra version provider
     * @param sidecarVersion        the version of the Sidecar from the current binary
     * @param jmxConfiguration      the configuration for the JMX Client
     * @param session               the CQL Session provider
     * @param registryFactory       factory for creating cassandra instance specific registry
     * @return the build instance metadata object
     */
    private static InstanceMetadata buildInstanceMetadata(Vertx vertx,
                                                          InstanceConfiguration cassandraInstance,
                                                          CassandraVersionProvider versionProvider,
                                                          String sidecarVersion,
                                                          JmxConfiguration jmxConfiguration,
                                                          CQLSessionProvider session,
                                                          DriverUtils driverUtils,
                                                          MetricRegistryFactory registryFactory)
    {
        String host = cassandraInstance.host();
        int port = cassandraInstance.port();

        JmxClient jmxClient = JmxClient.builder()
                                       .host(cassandraInstance.jmxHost())
                                       .port(cassandraInstance.jmxPort())
                                       .role(cassandraInstance.jmxRole())
                                       .password(cassandraInstance.jmxRolePassword())
                                       .enableSsl(cassandraInstance.jmxSslEnabled())
                                       .connectionMaxRetries(jmxConfiguration.maxRetries())
                                       .connectionRetryDelayMillis(jmxConfiguration.retryDelayMillis())
                                       .build();
        CassandraAdapterDelegate delegate = new CassandraAdapterDelegate(vertx,
                                                                         cassandraInstance.id(),
                                                                         versionProvider,
                                                                         session,
                                                                         jmxClient,
                                                                         driverUtils,
                                                                         sidecarVersion,
                                                                         host,
                                                                         port);

        return InstanceMetadataImpl.builder()
                                   .id(cassandraInstance.id())
                                   .host(host)
                                   .port(port)
                                   .dataDirs(cassandraInstance.dataDirs())
                                   .stagingDir(cassandraInstance.stagingDir())
                                   .delegate(delegate)
                                   .metricRegistry(registryFactory.getOrCreate(cassandraInstance.id()))
                                   .build();
    }
}