use of com.linkedin.d2.balancer.zkfs.LastSeenLoadBalancerWithFacilities in project rest.li by linkedin.
the class LastSeenBalancerWithFacilitiesFactory method create.
@Override
public LoadBalancerWithFacilities create(D2ClientConfig config) {
LOG.info("Creating D2 LoadBalancer based on LastSeenLoadBalancerWithFacilities");
D2ClientJmxManager d2ClientJmxManager = new D2ClientJmxManager(config.d2JmxManagerPrefix, config.jmxManager);
// init connection
ZKConnectionBuilder zkConnectionBuilder = new ZKConnectionBuilder(config.zkHosts);
zkConnectionBuilder.setShutdownAsynchronously(config.shutdownAsynchronously).setIsSymlinkAware(config.isSymlinkAware).setTimeout((int) config.zkSessionTimeoutInMs);
ZKPersistentConnection zkPersistentConnection;
if (config.zkConnectionToUseForLB != null) {
LOG.info("LastSeenLoadBalancer using shared connection to zookeeper");
zkPersistentConnection = config.zkConnectionToUseForLB;
} else {
LOG.info("LastSeenLoadBalancer using its own connection to zookeeper");
zkPersistentConnection = new ZKPersistentConnection(zkConnectionBuilder);
}
// init all the stores
LastSeenZKStore<ClusterProperties> lsClusterStore = getClusterPropertiesLastSeenZKStore(config, zkPersistentConnection, d2ClientJmxManager, config._executorService, config.zookeeperReadWindowMs);
PropertyEventBus<ClusterProperties> clusterBus = new PropertyEventBusImpl<>(config._executorService);
clusterBus.setPublisher(lsClusterStore);
LastSeenZKStore<ServiceProperties> lsServiceStore = getServicePropertiesLastSeenZKStore(config, zkPersistentConnection, d2ClientJmxManager, config._executorService, config.zookeeperReadWindowMs);
PropertyEventBus<ServiceProperties> serviceBus = new PropertyEventBusImpl<>(config._executorService);
serviceBus.setPublisher(lsServiceStore);
LastSeenZKStore<UriProperties> lsUrisStore = getUriPropertiesLastSeenZKStore(config, zkPersistentConnection, d2ClientJmxManager, config._executorService, config.zookeeperReadWindowMs);
PropertyEventBus<UriProperties> uriBus = new PropertyEventBusImpl<>(config._executorService);
uriBus.setPublisher(lsUrisStore);
// create the simple load balancer
SimpleLoadBalancerState state = new SimpleLoadBalancerState(config._executorService, uriBus, clusterBus, serviceBus, config.clientFactories, config.loadBalancerStrategyFactories, config.sslContext, config.sslParameters, config.isSSLEnabled, config.partitionAccessorRegistry, config.sslSessionValidatorFactory, config.deterministicSubsettingMetadataProvider);
d2ClientJmxManager.setSimpleLoadBalancerState(state);
SimpleLoadBalancer simpleLoadBalancer = new SimpleLoadBalancer(state, config.lbWaitTimeout, config.lbWaitUnit, config._executorService);
d2ClientJmxManager.setSimpleLoadBalancer(simpleLoadBalancer);
// add facilities
LastSeenLoadBalancerWithFacilities lastSeenLoadBalancer = new LastSeenLoadBalancerWithFacilities(simpleLoadBalancer, config.basePath, config.d2ServicePath, zkPersistentConnection, lsClusterStore, lsServiceStore, lsUrisStore);
LoadBalancerWithFacilities balancer = lastSeenLoadBalancer;
if (config.warmUp) {
balancer = new WarmUpLoadBalancer(balancer, lastSeenLoadBalancer, config.startUpExecutorService, config.fsBasePath, config.d2ServicePath, config.downstreamServicesFetcher, config.warmUpTimeoutSeconds, config.warmUpConcurrentRequests);
}
return balancer;
}
Aggregations