Examples with ZKHealthContributor io.pravega.segmentstore.server.host.health.ZKHealthContributor used on opensource projects

Example 1 with ZKHealthContributor

use of io.pravega.segmentstore.server.host.health.ZKHealthContributor in project pravega by pravega.

the class ServiceStarter method start.

// endregion
// region Service Operation
public void start() throws Exception {
    Exceptions.checkNotClosed(this.closed, this);
    healthServiceManager = new HealthServiceManager(serviceConfig.getHealthCheckInterval());
    healthServiceManager.start();
    log.info("Initializing HealthService ...");
    MetricsConfig metricsConfig = builderConfig.getConfig(MetricsConfig::builder);
    if (metricsConfig.isEnableStatistics()) {
        log.info("Initializing metrics provider ...");
        MetricsProvider.initialize(metricsConfig);
        statsProvider = MetricsProvider.getMetricsProvider();
        statsProvider.start();
    }
    log.info("Initializing ZooKeeper Client ...");
    this.zkClient = createZKClient();
    log.info("Initializing Service Builder ...");
    this.serviceBuilder.initialize();
    log.info("Creating StreamSegmentService ...");
    StreamSegmentStore service = this.serviceBuilder.createStreamSegmentService();
    log.info("Creating TableStoreService ...");
    TableStore tableStoreService = this.serviceBuilder.createTableStoreService();
    log.info("Creating Segment Stats recorder ...");
    autoScaleMonitor = new AutoScaleMonitor(service, builderConfig.getConfig(AutoScalerConfig::builder));
    AutoScalerConfig autoScalerConfig = builderConfig.getConfig(AutoScalerConfig::builder);
    TokenVerifierImpl tokenVerifier = null;
    if (autoScalerConfig.isAuthEnabled()) {
        tokenVerifier = new TokenVerifierImpl(autoScalerConfig.getTokenSigningKey());
    }
    // Log the configuration
    log.info(serviceConfig.toString());
    log.info(autoScalerConfig.toString());
    this.listener = new PravegaConnectionListener(this.serviceConfig.isEnableTls(), this.serviceConfig.isEnableTlsReload(), this.serviceConfig.getListeningIPAddress(), this.serviceConfig.getListeningPort(), service, tableStoreService, autoScaleMonitor.getStatsRecorder(), autoScaleMonitor.getTableSegmentStatsRecorder(), tokenVerifier, this.serviceConfig.getCertFile(), this.serviceConfig.getKeyFile(), this.serviceConfig.isReplyWithStackTraceOnError(), serviceBuilder.getLowPriorityExecutor(), this.serviceConfig.getTlsProtocolVersion(), healthServiceManager);
    this.listener.startListening();
    log.info("PravegaConnectionListener started successfully.");
    if (serviceConfig.isEnableAdminGateway()) {
        this.adminListener = new AdminConnectionListener(this.serviceConfig.isEnableTls(), this.serviceConfig.isEnableTlsReload(), this.serviceConfig.getListeningIPAddress(), this.serviceConfig.getAdminGatewayPort(), service, tableStoreService, tokenVerifier, this.serviceConfig.getCertFile(), this.serviceConfig.getKeyFile(), this.serviceConfig.getTlsProtocolVersion(), healthServiceManager);
        this.adminListener.startListening();
        log.info("AdminConnectionListener started successfully.");
    }
    log.info("StreamSegmentService started.");
    healthServiceManager.register(new ZKHealthContributor(zkClient));
    healthServiceManager.register(new CacheManagerHealthContributor(serviceBuilder.getCacheManager()));
    healthServiceManager.register(new SegmentContainerRegistryHealthContributor(serviceBuilder.getSegmentContainerRegistry()));
    if (this.serviceConfig.isRestServerEnabled()) {
        log.info("Initializing RESTServer ...");
        List<Object> resources = new ArrayList<>();
        resources.add(new HealthImpl(new AuthHandlerManager(serviceConfig.getRestServerConfig()), healthServiceManager.getEndpoint()));
        MetricsProvider.getMetricsProvider().prometheusResource().ifPresent(resources::add);
        restServer = new RESTServer(serviceConfig.getRestServerConfig(), Set.copyOf(resources));
        restServer.startAsync();
        restServer.awaitRunning();
    }
}

Example 2 with ZKHealthContributor

use of io.pravega.segmentstore.server.host.health.ZKHealthContributor in project pravega by pravega.

the class ServiceStarterTest method testCuratorClientCreation.

/**
 * Check that the client created by ServiceStarter can correctly connect to a Zookeeper server using the custom
 * Zookeeper client factory.
 *
 * @throws Exception
 */
@Test
public void testCuratorClientCreation() throws Exception {
    @Cleanup CuratorFramework zkClient = serviceStarter.createZKClient();
    zkClient.blockUntilConnected();
    @Cleanup ZKHealthContributor zkHealthContributor = new ZKHealthContributor(zkClient);
    Health.HealthBuilder builder = Health.builder().name(zkHealthContributor.getName());
    Status zkStatus = zkHealthContributor.doHealthCheck(builder);
    Assert.assertTrue(zkClient.getZookeeperClient().isConnected());
    Assert.assertEquals("HealthContributor should report an 'UP' Status.", Status.UP, zkStatus);
    zkClient.close();
    zkStatus = zkHealthContributor.doHealthCheck(builder);
    Assert.assertEquals("HealthContributor should report an 'DOWN' Status.", Status.DOWN, zkStatus);
}