Examples with Client io.fabric8.kubernetes.client.Client used on opensource projects

Example 36 with Client

use of io.fabric8.kubernetes.client.Client in project fabric8 by jboss-fuse.

the class TcpGatewayHandler method handle.

@Override
public void handle(final NetSocket socket) {
    NetClient client = null;
    List<String> paths = serviceMap.getPaths();
    TcpClientRequestFacade requestFacade = new TcpClientRequestFacade(socket);
    String path = pathLoadBalancer.choose(paths, requestFacade);
    if (path != null) {
        List<ServiceDetails> services = serviceMap.getServices(path);
        if (!services.isEmpty()) {
            ServiceDetails serviceDetails = serviceLoadBalancer.choose(services, requestFacade);
            if (serviceDetails != null) {
                List<String> urlStrings = serviceDetails.getServices();
                for (String urlString : urlStrings) {
                    if (Strings.notEmpty(urlString)) {
                        // lets create a client for this request...
                        try {
                            URI uri = new URI(urlString);
                            // URL url = new URL(urlString);
                            String urlProtocol = uri.getScheme();
                            if (Objects.equal(protocol, urlProtocol)) {
                                Handler<AsyncResult<NetSocket>> handler = new Handler<AsyncResult<NetSocket>>() {

                                    public void handle(final AsyncResult<NetSocket> asyncSocket) {
                                        socket.resume();
                                        NetSocket clientSocket = asyncSocket.result();
                                        Pump.createPump(clientSocket, socket).start();
                                        Pump.createPump(socket, clientSocket).start();
                                    }
                                };
                                client = createClient(socket, uri, handler);
                                break;
                            }
                        } catch (MalformedURLException e) {
                            LOG.warn("Failed to parse URL: " + urlString + ". " + e, e);
                        } catch (URISyntaxException e) {
                            LOG.warn("Failed to parse URI: " + urlString + ". " + e, e);
                        }
                    }
                }
            }
        }
    }
    if (client == null) {
        // fail to route
        LOG.info("No service available for protocol " + protocol + " for paths " + paths);
        socket.close();
    }
}

Example 37 with Client

use of io.fabric8.kubernetes.client.Client in project fabric8 by jboss-fuse.

the class ExtendedBurnIn method lotsOfClientLoad.

@Test
public void lotsOfClientLoad() throws Exception {
    startRestEndpoint();
    startHttpGateway();
    DetectingGateway gateway = startDetectingGateway();
    final ShutdownTracker tracker = new ShutdownTracker();
    // Run some concurrent load against the broker via the gateway...
    final StompJmsConnectionFactory factory = new StompJmsConnectionFactory();
    factory.setBrokerURI("tcp://localhost:" + gateway.getBoundPort());
    for (int client = 0; client < 10; client++) {
        new Thread("JMS Client: " + client) {

            @Override
            public void run() {
                while (tracker.attemptRetain()) {
                    try {
                        Connection connection = factory.createConnection();
                        Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
                        MessageConsumer consumer = session.createConsumer(session.createTopic("FOO"));
                        MessageProducer producer = session.createProducer(session.createTopic("FOO"));
                        producer.send(session.createTextMessage("Hello"));
                        consumer.receive(1000);
                        connection.close();
                    } catch (JMSException e) {
                        e.printStackTrace();
                    } finally {
                        tracker.release();
                    }
                }
            }
        }.start();
    }
    int httpPort = gateway.getBoundPort();
    final URL httpUrl = new URL("http://localhost:" + httpPort + "/hello/world");
    for (int client = 0; client < 10; client++) {
        new Thread("HTTP Client: " + client) {

            @Override
            public void run() {
                while (tracker.attemptRetain()) {
                    try {
                        InputStream is = httpUrl.openConnection().getInputStream();
                        try {
                            ByteArrayOutputStream baos = new ByteArrayOutputStream();
                            int c = 0;
                            while ((c = is.read()) >= 0) {
                                baos.write(c);
                            }
                            assertEquals("Hello World!", new String(baos.toByteArray()));
                        } finally {
                            is.close();
                        }
                    } catch (Exception e) {
                        e.printStackTrace();
                    } finally {
                        tracker.release();
                    }
                }
            }
        }.start();
    }
    MBeanServer mBeanServer = ManagementFactory.getPlatformMBeanServer();
    // Lets monitor memory usage for 5 min..
    for (int i = 0; i < 60 * 5; i++) {
        Thread.sleep(900);
        Runtime.getRuntime().gc();
        Thread.sleep(100);
        long usedMB = ((Long) ((CompositeData) mBeanServer.getAttribute(new ObjectName("java.lang:type=Memory"), "HeapMemoryUsage")).get("used")).longValue() / (1024 * 1024);
        System.out.println("Using " + usedMB + " MB of heap.");
    }
    tracker.stop();
}

Example 38 with Client

use of io.fabric8.kubernetes.client.Client in project fabric8 by jboss-fuse.

the class FabricMQGateway method createListener.

protected GatewayServiceTreeCache createListener() {
    String zkPath = getZooKeeperPath();
    // TODO we should discover the broker group configuration here using the same
    // mq-create / mq-client profiles so that we only listen to a subset of the available brokers here?
    ServiceMap serviceMap = new ServiceMap();
    VertxService vertxService = getVertxService();
    Vertx vertx = vertxService.getVertx();
    CuratorFramework curator = getCurator();
    LoadBalancer pathLoadBalancer = LoadBalancers.createLoadBalancer(loadBalancerType, stickyLoadBalancerCacheSize);
    LoadBalancer serviceLoadBalancer = LoadBalancers.createLoadBalancer(loadBalancerType, stickyLoadBalancerCacheSize);
    LOG.info("activating MQ mapping ZooKeeper path: " + zkPath + " host: " + host + " with load balancer: " + pathLoadBalancer);
    List<TcpGateway> gateways = new ArrayList<TcpGateway>();
    addGateway(gateways, vertx, serviceMap, "tcp", isOpenWireEnabled(), getOpenWirePort(), pathLoadBalancer, serviceLoadBalancer);
    addGateway(gateways, vertx, serviceMap, "stomp", isStompEnabled(), getStompPort(), pathLoadBalancer, serviceLoadBalancer);
    addGateway(gateways, vertx, serviceMap, "amqp", isAmqpEnabled(), getAmqpPort(), pathLoadBalancer, serviceLoadBalancer);
    addGateway(gateways, vertx, serviceMap, "mqtt", isMqttEnabled(), getMqttPort(), pathLoadBalancer, serviceLoadBalancer);
    addGateway(gateways, vertx, serviceMap, "ws", isWebsocketEnabled(), getWebsocketPort(), pathLoadBalancer, serviceLoadBalancer);
    if (gateways.isEmpty()) {
        return null;
    }
    return new GatewayServiceTreeCache(curator, zkPath, serviceMap, gateways);
}

Example 39 with Client

use of io.fabric8.kubernetes.client.Client in project fabric8 by jboss-fuse.

the class LoadBalancerTest method testStickyLoadBalancer.

@Test
public void testStickyLoadBalancer() throws Exception {
    assertLoadBalancerWorksOnEmptyOrSingletonServices(new StickyLoadBalancer());
    LoadBalancer loadBalancer = new StickyLoadBalancer();
    Set<String> allRequests = new HashSet<String>();
    int numberOfClients = 10;
    for (int i = 0; i < numberOfClients; i++) {
        clientRequestKey = "newClient:" + i;
        List<String> results = performRequests(loadBalancer);
        Set<String> set = asSet(results);
        assertTrue("All values should be the same for client: " + clientRequestKey + " but got: " + set, set.size() == 1);
        allRequests.addAll(set);
    }
    // now we should have a reasonable number of different overall answers.
    assertTrue("Across " + numberOfClients + " we should have most of the values: " + allRequests, allRequests.size() > 1);
}

Example 40 with Client

use of io.fabric8.kubernetes.client.Client in project fabric8 by jboss-fuse.

the class FabricDiscoveryAgent method call.

@Override
public Object call() throws Exception {
    LOG.info("Using local ZKClient");
    managedZkClient = true;
    CuratorFrameworkFactory.Builder builder = CuratorFrameworkFactory.builder().connectString(System.getProperty("zookeeper.url", "localhost:2181")).retryPolicy(new RetryOneTime(1000)).connectionTimeoutMs(10000);
    String password = System.getProperty("zookeeper.password", "admin");
    if (password != null && !password.isEmpty()) {
        builder.aclProvider(new CuratorACLManager());
        builder.authorization("digest", ("fabric:" + password).getBytes());
    }
    CuratorFramework client = builder.build();
    client.start();
    client.getZookeeperClient().blockUntilConnectedOrTimedOut();
    return client;
}