Examples with AvailabilityFilteringRule com.netflix.loadbalancer.AvailabilityFilteringRule used on opensource projects

Example 1 with AvailabilityFilteringRule

use of com.netflix.loadbalancer.AvailabilityFilteringRule in project ribbon by Netflix.

the class LBBuilderTest method testBuildWithDiscoveryEnabledNIWSServerList.

@Test
public void testBuildWithDiscoveryEnabledNIWSServerList() {
    IRule rule = new AvailabilityFilteringRule();
    ServerList<DiscoveryEnabledServer> list = new DiscoveryEnabledNIWSServerList("dummy:7001");
    ServerListFilter<DiscoveryEnabledServer> filter = new ZoneAffinityServerListFilter<>();
    ZoneAwareLoadBalancer<DiscoveryEnabledServer> lb = LoadBalancerBuilder.<DiscoveryEnabledServer>newBuilder().withDynamicServerList(list).withRule(rule).withServerListFilter(filter).buildDynamicServerListLoadBalancer();
    assertNotNull(lb);
    assertEquals(Lists.newArrayList(expected), lb.getAllServers());
    assertSame(filter, lb.getFilter());
    assertSame(list, lb.getServerListImpl());
    Server server = lb.chooseServer();
    // make sure load balancer does not recreate the server instance
    assertTrue(server instanceof DiscoveryEnabledServer);
}

Example 2 with AvailabilityFilteringRule

use of com.netflix.loadbalancer.AvailabilityFilteringRule in project ribbon by Netflix.

the class LBBuilderTest method testBuildStaticServerListLoadBalancer.

@Test
public void testBuildStaticServerListLoadBalancer() {
    List<Server> list = Lists.newArrayList(expected, expected);
    IRule rule = new AvailabilityFilteringRule();
    IClientConfig clientConfig = IClientConfig.Builder.newBuilder().withDefaultValues().withMaxAutoRetriesNextServer(3).build();
    assertEquals(3, clientConfig.get(Keys.MaxAutoRetriesNextServer).intValue());
    BaseLoadBalancer lb = LoadBalancerBuilder.newBuilder().withRule(rule).buildFixedServerListLoadBalancer(list);
    assertEquals(list, lb.getAllServers());
    assertSame(rule, lb.getRule());
}

Example 3 with AvailabilityFilteringRule

use of com.netflix.loadbalancer.AvailabilityFilteringRule in project ribbon by Netflix.

the class LBBuilderTest method testBuildWithDiscoveryEnabledNIWSServerListAndUpdater.

@Test
public void testBuildWithDiscoveryEnabledNIWSServerListAndUpdater() {
    IRule rule = new AvailabilityFilteringRule();
    ServerList<DiscoveryEnabledServer> list = new DiscoveryEnabledNIWSServerList("dummy:7001");
    ServerListFilter<DiscoveryEnabledServer> filter = new ZoneAffinityServerListFilter<>();
    ServerListUpdater updater = new PollingServerListUpdater();
    ZoneAwareLoadBalancer<DiscoveryEnabledServer> lb = LoadBalancerBuilder.<DiscoveryEnabledServer>newBuilder().withDynamicServerList(list).withRule(rule).withServerListFilter(filter).withServerListUpdater(updater).buildDynamicServerListLoadBalancerWithUpdater();
    assertNotNull(lb);
    assertEquals(Lists.newArrayList(expected), lb.getAllServers());
    assertSame(filter, lb.getFilter());
    assertSame(list, lb.getServerListImpl());
    assertSame(updater, lb.getServerListUpdater());
    Server server = lb.chooseServer();
    // make sure load balancer does not recreate the server instance
    assertTrue(server instanceof DiscoveryEnabledServer);
}

Example 4 with AvailabilityFilteringRule

use of com.netflix.loadbalancer.AvailabilityFilteringRule in project ribbon by Netflix.

the class RetryTest method beforeTest.

@Before
public void beforeTest() {
    ConfigurationManager.getConfigInstance().setProperty("RetryTest.ribbon.NFLoadBalancerClassName", BaseLoadBalancer.class.getName());
    ConfigurationManager.getConfigInstance().setProperty("RetryTest.ribbon.client.NFLoadBalancerPingClassName", DummyPing.class.getName());
    ConfigurationManager.getConfigInstance().setProperty("RetryTest.ribbon.ReadTimeout", "1000");
    ConfigurationManager.getConfigInstance().setProperty("RetryTest.ribbon." + CommonClientConfigKey.ConnectTimeout, "500");
    ConfigurationManager.getConfigInstance().setProperty("RetryTest.ribbon." + CommonClientConfigKey.OkToRetryOnAllOperations, "true");
    client = (RestClient) ClientFactory.getNamedClient("RetryTest");
    lb = (BaseLoadBalancer) client.getLoadBalancer();
    lb.setServersList(Lists.newArrayList(localServer));
    httpClient = NFHttpClientFactory.getNamedNFHttpClient("RetryTest");
    connectionPoolManager = (MonitoredConnectionManager) httpClient.getConnectionManager();
    client.setMaxAutoRetries(0);
    client.setMaxAutoRetriesNextServer(0);
    client.setOkToRetryOnAllOperations(false);
    lb.setServersList(Lists.newArrayList(localServer));
    // reset the server index
    lb.setRule(new AvailabilityFilteringRule());
    lb.getLoadBalancerStats().getSingleServerStat(localServer).clearSuccessiveConnectionFailureCount();
}

Example 5 with AvailabilityFilteringRule

use of com.netflix.loadbalancer.AvailabilityFilteringRule in project ribbon by Netflix.

the class NettyClientTest method testObservableWithRetrySameServer.

@Test
public void testObservableWithRetrySameServer() throws Exception {
    IClientConfig config = DefaultClientConfigImpl.getClientConfigWithDefaultValues().withProperty(CommonClientConfigKey.ConnectTimeout, "1000");
    HttpClientRequest<ByteBuf> request = HttpClientRequest.createGet("/testAsync/person");
    Server badServer = new Server("localhost:12345");
    Server goodServer = new Server("localhost:" + port);
    List<Server> servers = Lists.newArrayList(badServer, badServer, goodServer);
    BaseLoadBalancer lb = LoadBalancerBuilder.<Server>newBuilder().withRule(new AvailabilityFilteringRule()).withPing(new DummyPing()).buildFixedServerListLoadBalancer(servers);
    LoadBalancingHttpClient<ByteBuf, ByteBuf> lbObservables = RibbonTransport.newHttpClient(lb, config, new NettyHttpLoadBalancerErrorHandler(1, 0, true));
    Observable<Person> observableWithRetries = getPersonObservable(lbObservables.submit(request));
    ObserverWithLatch<Person> observer = new ObserverWithLatch<Person>();
    observableWithRetries.subscribe(observer);
    observer.await();
    assertNull(observer.obj);
    assertTrue(observer.error instanceof ClientException);
    ServerStats stats = lbObservables.getServerStats(badServer);
    // two requests to bad server because retry same server is set to 1
    assertEquals(2, stats.getTotalRequestsCount());
    assertEquals(0, stats.getActiveRequestsCount());
    stats = lbObservables.getServerStats(goodServer);
    assertEquals(0, stats.getTotalRequestsCount());
}