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

Example 1 with DummyPing

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

the class LBBuilderTest method testBuildWithArchaiusProperties.

@Test
public void testBuildWithArchaiusProperties() {
    Configuration config = ConfigurationManager.getConfigInstance();
    config.setProperty("client1.niws.client." + Keys.DeploymentContextBasedVipAddresses, "dummy:7001");
    config.setProperty("client1.niws.client." + Keys.InitializeNFLoadBalancer, "true");
    config.setProperty("client1.niws.client." + Keys.NFLoadBalancerClassName, DynamicServerListLoadBalancer.class.getName());
    config.setProperty("client1.niws.client." + Keys.NFLoadBalancerRuleClassName, RoundRobinRule.class.getName());
    config.setProperty("client1.niws.client." + Keys.NIWSServerListClassName, DiscoveryEnabledNIWSServerList.class.getName());
    config.setProperty("client1.niws.client." + Keys.NIWSServerListFilterClassName, ZoneAffinityServerListFilter.class.getName());
    IClientConfig clientConfig = IClientConfig.Builder.newBuilder(NiwsClientConfig.class, "client1").build();
    ILoadBalancer lb = LoadBalancerBuilder.newBuilder().withClientConfig(clientConfig).buildLoadBalancerFromConfigWithReflection();
    assertNotNull(lb);
    assertEquals(DynamicServerListLoadBalancer.class.getName(), lb.getClass().getName());
    DynamicServerListLoadBalancer<Server> dynamicLB = (DynamicServerListLoadBalancer<Server>) lb;
    assertTrue(dynamicLB.getFilter() instanceof ZoneAffinityServerListFilter);
    assertTrue(dynamicLB.getRule() instanceof RoundRobinRule);
    assertTrue(dynamicLB.getPing() instanceof DummyPing);
    assertEquals(Lists.newArrayList(expected), lb.getAllServers());
}

Example 2 with DummyPing

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

the class ListenerTest method testFailedExecution.

@Test
public void testFailedExecution() {
    IClientConfig config = DefaultClientConfigImpl.getClientConfigWithDefaultValues().withProperty(CommonClientConfigKey.ConnectTimeout, "100").withProperty(CommonClientConfigKey.MaxAutoRetries, 1).withProperty(CommonClientConfigKey.MaxAutoRetriesNextServer, 1);
    HttpClientRequest<ByteBuf> request = HttpClientRequest.createGet("/testAsync/person");
    Server badServer = new Server("localhost:12345");
    Server badServer2 = new Server("localhost:34567");
    List<Server> servers = Lists.newArrayList(badServer, badServer2);
    BaseLoadBalancer lb = LoadBalancerBuilder.<Server>newBuilder().withRule(new AvailabilityFilteringRule()).withPing(new DummyPing()).buildFixedServerListLoadBalancer(servers);
    IClientConfig overrideConfig = DefaultClientConfigImpl.getEmptyConfig();
    TestExecutionListener<ByteBuf, ByteBuf> listener = new TestExecutionListener<ByteBuf, ByteBuf>(request, overrideConfig);
    List<ExecutionListener<HttpClientRequest<ByteBuf>, HttpClientResponse<ByteBuf>>> listeners = Lists.<ExecutionListener<HttpClientRequest<ByteBuf>, HttpClientResponse<ByteBuf>>>newArrayList(listener);
    LoadBalancingHttpClient<ByteBuf, ByteBuf> client = RibbonTransport.newHttpClient(lb, config, new NettyHttpLoadBalancerErrorHandler(config), listeners);
    try {
        client.submit(request, null, overrideConfig).toBlocking().last();
        fail("Exception expected");
    } catch (Exception e) {
        assertNotNull(e);
    }
    assertEquals(1, listener.executionStartCounter.get());
    assertEquals(4, listener.startWithServerCounter.get());
    assertEquals(4, listener.exceptionWithServerCounter.get());
    assertEquals(1, listener.executionFailedCounter.get());
    assertTrue(listener.isContextChecked());
    assertTrue(listener.isCheckExecutionInfo());
    assertNotNull(listener.getFinalThrowable());
    listener.getFinalThrowable().printStackTrace();
    assertTrue(listener.getFinalThrowable() instanceof ClientException);
    assertEquals(100, listener.getContext().getClientProperty(CommonClientConfigKey.ConnectTimeout).intValue());
}

Example 3 with DummyPing

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

the class ListenerTest method testAbortedExecution.

@Test
public void testAbortedExecution() {
    IClientConfig config = DefaultClientConfigImpl.getClientConfigWithDefaultValues().withProperty(CommonClientConfigKey.ConnectTimeout, "100").withProperty(CommonClientConfigKey.MaxAutoRetries, 1).withProperty(CommonClientConfigKey.MaxAutoRetriesNextServer, 1);
    HttpClientRequest<ByteBuf> request = HttpClientRequest.createGet("/testAsync/person");
    Server badServer = new Server("localhost:12345");
    Server badServer2 = new Server("localhost:34567");
    List<Server> servers = Lists.newArrayList(badServer, badServer2);
    BaseLoadBalancer lb = LoadBalancerBuilder.<Server>newBuilder().withRule(new AvailabilityFilteringRule()).withPing(new DummyPing()).buildFixedServerListLoadBalancer(servers);
    IClientConfig overrideConfig = DefaultClientConfigImpl.getEmptyConfig();
    TestExecutionListener listener = new TestExecutionListener(request, overrideConfig) {

        @Override
        public void onExecutionStart(ExecutionContext context) {
            throw new AbortExecutionException("exit now");
        }
    };
    List<ExecutionListener<HttpClientRequest<ByteBuf>, HttpClientResponse<ByteBuf>>> listeners = Lists.<ExecutionListener<HttpClientRequest<ByteBuf>, HttpClientResponse<ByteBuf>>>newArrayList(listener);
    LoadBalancingHttpClient<ByteBuf, ByteBuf> client = RibbonTransport.newHttpClient(lb, config, new NettyHttpLoadBalancerErrorHandler(config), listeners);
    final CountDownLatch latch = new CountDownLatch(1);
    final AtomicReference<Throwable> ref = new AtomicReference<Throwable>();
    client.submit(request, null, overrideConfig).subscribe(new Action1<HttpClientResponse<ByteBuf>>() {

        @Override
        public void call(HttpClientResponse<ByteBuf> byteBufHttpClientResponse) {
        }
    }, new Action1<Throwable>() {

        @Override
        public void call(Throwable throwable) {
            ref.set(throwable);
            latch.countDown();
        }
    });
    try {
        latch.await(500, TimeUnit.MILLISECONDS);
    } catch (InterruptedException e) {
        e.printStackTrace();
    }
    assertTrue(ref.get() instanceof AbortExecutionException);
}

Example 4 with DummyPing

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

the class ListenerTest method testFailedExecutionForAbsoluteURI.

@Test
public void testFailedExecutionForAbsoluteURI() {
    IClientConfig config = DefaultClientConfigImpl.getClientConfigWithDefaultValues().withProperty(CommonClientConfigKey.ConnectTimeout, "100").withProperty(CommonClientConfigKey.MaxAutoRetries, 1).withProperty(CommonClientConfigKey.MaxAutoRetriesNextServer, 1);
    HttpClientRequest<ByteBuf> request = HttpClientRequest.createGet("http://xyz.unknowhost.xyz/testAsync/person");
    Server badServer = new Server("localhost:12345");
    Server badServer2 = new Server("localhost:34567");
    List<Server> servers = Lists.newArrayList(badServer, badServer2);
    BaseLoadBalancer lb = LoadBalancerBuilder.<Server>newBuilder().withRule(new AvailabilityFilteringRule()).withPing(new DummyPing()).buildFixedServerListLoadBalancer(servers);
    IClientConfig overrideConfig = DefaultClientConfigImpl.getEmptyConfig();
    TestExecutionListener<ByteBuf, ByteBuf> listener = new TestExecutionListener<ByteBuf, ByteBuf>(request, overrideConfig);
    List<ExecutionListener<HttpClientRequest<ByteBuf>, HttpClientResponse<ByteBuf>>> listeners = Lists.<ExecutionListener<HttpClientRequest<ByteBuf>, HttpClientResponse<ByteBuf>>>newArrayList(listener);
    LoadBalancingHttpClient<ByteBuf, ByteBuf> client = RibbonTransport.newHttpClient(lb, config, new NettyHttpLoadBalancerErrorHandler(config), listeners);
    try {
        client.submit(request, null, overrideConfig).toBlocking().last();
        fail("Exception expected");
    } catch (Exception e) {
        assertNotNull(e);
    }
    assertEquals(1, listener.executionStartCounter.get());
    assertEquals(2, listener.startWithServerCounter.get());
    assertEquals(2, listener.exceptionWithServerCounter.get());
    assertEquals(1, listener.executionFailedCounter.get());
    assertTrue(listener.isContextChecked());
    assertTrue(listener.isCheckExecutionInfo());
    assertTrue(listener.getFinalThrowable() instanceof ClientException);
}

Example 5 with DummyPing

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

the class ListenerTest method testSuccessExecutionOnAbosoluteURI.

@Test
public void testSuccessExecutionOnAbosoluteURI() throws IOException {
    MockWebServer server = new MockWebServer();
    String content = "OK";
    server.enqueue(new MockResponse().setResponseCode(200).setHeader("Content-type", "application/json").setBody(content));
    server.play();
    IClientConfig config = DefaultClientConfigImpl.getClientConfigWithDefaultValues().withProperty(CommonClientConfigKey.ConnectTimeout, "2000").withProperty(CommonClientConfigKey.MaxAutoRetries, 1).withProperty(CommonClientConfigKey.MaxAutoRetriesNextServer, 1);
    HttpClientRequest<ByteBuf> request = HttpClientRequest.createGet("http://localhost:" + server.getPort() + "/testAsync/person");
    Server badServer = new Server("localhost:12345");
    Server goodServer = new Server("localhost:" + server.getPort());
    List<Server> servers = Lists.newArrayList(goodServer, badServer);
    BaseLoadBalancer lb = LoadBalancerBuilder.<Server>newBuilder().withRule(new AvailabilityFilteringRule()).withPing(new DummyPing()).buildFixedServerListLoadBalancer(servers);
    IClientConfig overrideConfig = DefaultClientConfigImpl.getEmptyConfig().set(CommonClientConfigKey.ConnectTimeout, 500);
    TestExecutionListener<ByteBuf, ByteBuf> listener = new TestExecutionListener<ByteBuf, ByteBuf>(request, overrideConfig);
    List<ExecutionListener<HttpClientRequest<ByteBuf>, HttpClientResponse<ByteBuf>>> listeners = Lists.<ExecutionListener<HttpClientRequest<ByteBuf>, HttpClientResponse<ByteBuf>>>newArrayList(listener);
    LoadBalancingHttpClient<ByteBuf, ByteBuf> client = RibbonTransport.newHttpClient(lb, config, new NettyHttpLoadBalancerErrorHandler(config), listeners);
    HttpClientResponse<ByteBuf> response = client.submit(request, null, overrideConfig).toBlocking().last();
    assertEquals(200, response.getStatus().code());
    assertEquals(1, listener.executionStartCounter.get());
    assertEquals(1, listener.startWithServerCounter.get());
    assertEquals(0, listener.exceptionWithServerCounter.get());
    assertEquals(0, listener.executionFailedCounter.get());
    assertEquals(1, listener.executionSuccessCounter.get());
    assertEquals(500, listener.getContext().getClientProperty(CommonClientConfigKey.ConnectTimeout).intValue());
    assertTrue(listener.isContextChecked());
    assertTrue(listener.isCheckExecutionInfo());
    assertSame(response, listener.getResponse());
}