io.zeebe.redis.exporter.ClusterClientSettings Maven / Gradle / Ivy

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package io.zeebe.redis.exporter;

import io.lettuce.core.cluster.ClusterClientOptions;
import io.lettuce.core.cluster.ClusterTopologyRefreshOptions;
import io.lettuce.core.cluster.models.partitions.RedisClusterNode;
import io.lettuce.core.resource.ClientResources;

public class ClusterClientSettings {

  public static ClientResources createResourcesFromConfig(ExporterConfiguration config) {
    return ClientResources.builder().ioThreadPoolSize(config.getIoThreadPoolSize()).build();
  }

  public static ClusterClientOptions createStandardOptions() {
    return ClusterClientOptions.builder()
        .autoReconnect(true)
        // dynamic adaptive refresh
        .topologyRefreshOptions(dynamicRefreshOptions())
        // filter out failed nodes from the topology
        .nodeFilter(
            it ->
                !(it.is(RedisClusterNode.NodeFlag.FAIL)
                    || it.is(RedisClusterNode.NodeFlag.EVENTUAL_FAIL)
                    || it.is(RedisClusterNode.NodeFlag.HANDSHAKE)
                    || it.is(RedisClusterNode.NodeFlag.NOADDR)))
        .validateClusterNodeMembership(true)
        .build();
  }

  private static ClusterTopologyRefreshOptions dynamicRefreshOptions() {
    return ClusterTopologyRefreshOptions.builder()
        .enableAllAdaptiveRefreshTriggers()
        .enablePeriodicRefresh()
        .dynamicRefreshSources(true)
        .build();
  }
}