Examples with EnsembleProvider org.apache.curator.ensemble.EnsembleProvider used on opensource projects

Example 6 with EnsembleProvider

use of org.apache.curator.ensemble.EnsembleProvider in project druid by druid-io.

the class CuratorModuleTest method fixedZkHosts.

@Test
public void fixedZkHosts() {
    Properties props = new Properties();
    props.put(curatorHostKey, "hostA");
    Injector injector = newInjector(props);
    // initialize related components
    injector.getInstance(CuratorFramework.class);
    EnsembleProvider ensembleProvider = injector.getInstance(EnsembleProvider.class);
    Assert.assertTrue("EnsembleProvider should be FixedEnsembleProvider", ensembleProvider instanceof FixedEnsembleProvider);
    Assert.assertEquals("The connectionString should be 'hostA'", "hostA", ensembleProvider.getConnectionString());
}

Example 7 with EnsembleProvider

use of org.apache.curator.ensemble.EnsembleProvider in project nakadi by zalando.

the class ZooKeeperHolder method initExhibitor.

private void initExhibitor() throws Exception {
    final RetryPolicy retryPolicy = new ExponentialBackoffRetry(EXHIBITOR_RETRY_TIME, EXHIBITOR_RETRY_MAX);
    final EnsembleProvider ensembleProvider;
    if (exhibitorAddresses != null) {
        final Collection<String> exhibitorHosts = Arrays.asList(exhibitorAddresses.split("\\s*,\\s*"));
        final Exhibitors exhibitors = new Exhibitors(exhibitorHosts, exhibitorPort, () -> zookeeperBrokers + zookeeperKafkaNamespace);
        final ExhibitorRestClient exhibitorRestClient = new DefaultExhibitorRestClient();
        ensembleProvider = new ExhibitorEnsembleProvider(exhibitors, exhibitorRestClient, "/exhibitor/v1/cluster/list", EXHIBITOR_POLLING_MS, retryPolicy);
        ((ExhibitorEnsembleProvider) ensembleProvider).pollForInitialEnsemble();
    } else {
        ensembleProvider = new FixedEnsembleProvider(zookeeperBrokers + zookeeperKafkaNamespace);
    }
    zooKeeper = CuratorFrameworkFactory.builder().ensembleProvider(ensembleProvider).retryPolicy(retryPolicy).build();
    zooKeeper.start();
}

Example 8 with EnsembleProvider

use of org.apache.curator.ensemble.EnsembleProvider in project druid by druid-io.

the class CuratorModuleTest method emptyExhibitorHosts.

@Test
public void emptyExhibitorHosts() {
    Properties props = new Properties();
    props.setProperty(CURATOR_HOST_KEY, "hostB");
    props.setProperty(EXHIBITOR_HOSTS_KEY, "[]");
    Injector injector = newInjector(props);
    // initialize related components
    injector.getInstance(CuratorFramework.class);
    EnsembleProvider ensembleProvider = injector.getInstance(EnsembleProvider.class);
    Assert.assertTrue("EnsembleProvider should be FixedEnsembleProvider", ensembleProvider instanceof FixedEnsembleProvider);
    Assert.assertEquals("The connectionString should be 'hostB'", "hostB", ensembleProvider.getConnectionString());
}

Example 9 with EnsembleProvider

use of org.apache.curator.ensemble.EnsembleProvider in project druid by druid-io.

the class CuratorModuleTest method fixedZkHosts.

@Test
public void fixedZkHosts() {
    Properties props = new Properties();
    props.setProperty(CURATOR_HOST_KEY, "hostA");
    Injector injector = newInjector(props);
    // initialize related components
    injector.getInstance(CuratorFramework.class);
    EnsembleProvider ensembleProvider = injector.getInstance(EnsembleProvider.class);
    Assert.assertTrue("EnsembleProvider should be FixedEnsembleProvider", ensembleProvider instanceof FixedEnsembleProvider);
    Assert.assertEquals("The connectionString should be 'hostA'", "hostA", ensembleProvider.getConnectionString());
}

Example 10 with EnsembleProvider

use of org.apache.curator.ensemble.EnsembleProvider in project druid by druid-io.

the class CuratorModuleTest method defaultEnsembleProvider.

@Test
public void defaultEnsembleProvider() {
    Injector injector = newInjector(new Properties());
    // initialize related components
    injector.getInstance(CuratorFramework.class);
    EnsembleProvider ensembleProvider = injector.getInstance(EnsembleProvider.class);
    Assert.assertTrue("EnsembleProvider should be FixedEnsembleProvider", ensembleProvider instanceof FixedEnsembleProvider);
    Assert.assertEquals("The connectionString should be 'localhost'", "localhost", ensembleProvider.getConnectionString());
}