Examples with ZooKeeperPermanentStore com.linkedin.d2.discovery.stores.zk.ZooKeeperPermanentStore used on opensource projects

Example 11 with ZooKeeperPermanentStore

use of com.linkedin.d2.discovery.stores.zk.ZooKeeperPermanentStore in project rest.li by linkedin.

the class ZKFSTest method testServiceDirectory.

@Test
public void testServiceDirectory() throws Exception {
    final String TEST_SERVICE_NAME = "testingService";
    startServer();
    try {
        ZKFSLoadBalancer balancer = getBalancer();
        FutureCallback<None> callback = new FutureCallback<None>();
        balancer.start(callback);
        callback.get(30, TimeUnit.SECONDS);
        Directory dir = balancer.getDirectory();
        ZKConnection conn = new ZKConnection("localhost:" + PORT, 30000);
        conn.start();
        ZooKeeperPermanentStore<ServiceProperties> store = new ZooKeeperPermanentStore<ServiceProperties>(conn, new ServicePropertiesJsonSerializer(), ZKFSUtil.servicePath(BASE_PATH));
        callback = new FutureCallback<None>();
        store.start(callback);
        callback.get(30, TimeUnit.SECONDS);
        ServiceProperties props = new ServiceProperties(TEST_SERVICE_NAME, "someCluster", "/somePath", Arrays.asList("someStrategy"));
        store.put(TEST_SERVICE_NAME, props);
        FutureCallback<List<String>> serviceCallback = new FutureCallback<List<String>>();
        dir.getServiceNames(serviceCallback);
        Assert.assertEquals(serviceCallback.get(30, TimeUnit.SECONDS), Collections.singletonList(TEST_SERVICE_NAME));
    } finally {
        stopServer();
    }
}

Example 12 with ZooKeeperPermanentStore

use of com.linkedin.d2.discovery.stores.zk.ZooKeeperPermanentStore in project rest.li by linkedin.

the class ZKFSTest method testClusterDirectory.

@Test
public void testClusterDirectory() throws Exception {
    final String TEST_CLUSTER_NAME = "testingService";
    startServer();
    try {
        ZKFSLoadBalancer balancer = getBalancer();
        FutureCallback<None> callback = new FutureCallback<None>();
        balancer.start(callback);
        callback.get(30, TimeUnit.SECONDS);
        Directory dir = balancer.getDirectory();
        ZKConnection conn = new ZKConnection("localhost:" + PORT, 30000);
        conn.start();
        ZooKeeperPermanentStore<ClusterProperties> store = new ZooKeeperPermanentStore<ClusterProperties>(conn, new ClusterPropertiesJsonSerializer(), ZKFSUtil.clusterPath(BASE_PATH));
        callback = new FutureCallback<None>();
        store.start(callback);
        callback.get(30, TimeUnit.SECONDS);
        ClusterProperties props = new ClusterProperties(TEST_CLUSTER_NAME);
        store.put(TEST_CLUSTER_NAME, props);
        FutureCallback<List<String>> clusterCallback = new FutureCallback<List<String>>();
        dir.getClusterNames(clusterCallback);
        Assert.assertEquals(clusterCallback.get(30, TimeUnit.SECONDS), Collections.singletonList(TEST_CLUSTER_NAME));
    } finally {
        stopServer();
    }
}

Example 13 with ZooKeeperPermanentStore

use of com.linkedin.d2.discovery.stores.zk.ZooKeeperPermanentStore in project rest.li by linkedin.

the class LoadBalancerClientCli method hasService.

public static boolean hasService(ZKConnection zkclient, String zkserver, String d2path, String cluster, String service) throws URISyntaxException, IOException, PropertyStoreException {
    ZooKeeperPermanentStore<ServiceProperties> zkServiceRegistry = null;
    String scstoreString = zkserver + ZKFSUtil.servicePath(d2path);
    zkServiceRegistry = (ZooKeeperPermanentStore<ServiceProperties>) getStore(zkclient, scstoreString, new ServicePropertiesJsonSerializer());
    return zkServiceRegistry.get(service).getClusterName().equals(cluster);
}

Example 14 with ZooKeeperPermanentStore

use of com.linkedin.d2.discovery.stores.zk.ZooKeeperPermanentStore in project rest.li by linkedin.

the class LoadBalancerClientCli method shutdown.

public void shutdown() throws Exception {
    if (_zkClusterRegistry != null) {
        try {
            shutdownZKRegistry(_zkClusterRegistry);
        } catch (Exception e) {
            _log.error("Failed to shutdown ZooKeeperPermanentStore<ClusterProperties> zkClusterRegistry.");
        }
    }
    if (_zkServiceRegistry != null) {
        try {
            shutdownZKRegistry(_zkServiceRegistry);
        } catch (Exception e) {
            _log.error("Failed to shutdown ZooKeeperPermanentStore<ServiceProperties> zkServiceRegistry.");
        }
    }
    if (_zkUriRegistry != null) {
        try {
            shutdownZKRegistry(_zkUriRegistry);
        } catch (Exception e) {
            _log.error("Failed to shutdown ZooKeeperEphemeralStore<UriProperties> zkUriRegistry.");
        }
    }
    try {
        if (_client != null) {
            LoadBalancerUtil.syncShutdownClient(_client, _log);
        }
    } catch (Exception e) {
        _log.error("Failed to shutdown dynamic client.");
    }
    if (_zkfsLoadBalancer != null) {
        try {
            final CountDownLatch latch = new CountDownLatch(1);
            _zkfsLoadBalancer.shutdown(new PropertyEventShutdownCallback() {

                @Override
                public void done() {
                    latch.countDown();
                }
            });
            if (!latch.await(5, TimeUnit.SECONDS)) {
                _log.error("unable to shut down store");
            }
        } catch (Exception e) {
            _log.error("Failed to shutdown zkfsLoadBalancer.");
        }
    }
    try {
        deleteTempDir();
    } catch (Exception e) {
        _log.error("Failed to delete directory " + _tmpDir);
    }
    try {
        _zkclient.shutdown();
    } catch (Exception e) {
        _log.error("Failed to shutdown zk client.");
    }
}

Example 15 with ZooKeeperPermanentStore

use of com.linkedin.d2.discovery.stores.zk.ZooKeeperPermanentStore in project rest.li by linkedin.

the class LoadBalancerClientCli method getLoadBalancer.

public static SimpleLoadBalancer getLoadBalancer(ZKConnection zkclient, String zkserver, String d2path, String service) throws IOException, IllegalStateException, URISyntaxException, PropertyStoreException, ExecutionException, TimeoutException, InterruptedException {
    // zk stores
    String clstoreString = zkserver + ZKFSUtil.clusterPath(d2path);
    String scstoreString = zkserver + ZKFSUtil.servicePath(d2path);
    String uristoreString = zkserver + ZKFSUtil.uriPath(d2path);
    ZooKeeperPermanentStore<ClusterProperties> zkClusterRegistry = (ZooKeeperPermanentStore<ClusterProperties>) getStore(zkclient, clstoreString, new ClusterPropertiesJsonSerializer());
    ZooKeeperPermanentStore<ServiceProperties> zkServiceRegistry = (ZooKeeperPermanentStore<ServiceProperties>) getStore(zkclient, scstoreString, new ServicePropertiesJsonSerializer());
    ZooKeeperEphemeralStore<UriProperties> zkUriRegistry = (ZooKeeperEphemeralStore<UriProperties>) getEphemeralStore(zkclient, uristoreString, new UriPropertiesJsonSerializer(), new UriPropertiesMerger());
    ScheduledThreadPoolExecutor executor = new ScheduledThreadPoolExecutor(1, new NamedThreadFactory("D2 PropertyEventExecutor"));
    PropertyEventBus<ServiceProperties> serviceBus = new PropertyEventBusImpl<ServiceProperties>(executor, zkServiceRegistry);
    PropertyEventBus<UriProperties> uriBus = new PropertyEventBusImpl<UriProperties>(executor, zkUriRegistry);
    PropertyEventBus<ClusterProperties> clusterBus = new PropertyEventBusImpl<ClusterProperties>(executor, zkClusterRegistry);
    Map<String, LoadBalancerStrategyFactory<? extends LoadBalancerStrategy>> loadBalancerStrategyFactories = new HashMap<String, LoadBalancerStrategyFactory<? extends LoadBalancerStrategy>>();
    loadBalancerStrategyFactories.put("random", new RandomLoadBalancerStrategyFactory());
    loadBalancerStrategyFactories.put("degrader", new DegraderLoadBalancerStrategyFactoryV2());
    loadBalancerStrategyFactories.put("degraderV2", new DegraderLoadBalancerStrategyFactoryV2());
    loadBalancerStrategyFactories.put("degraderV3", new DegraderLoadBalancerStrategyFactoryV3());
    loadBalancerStrategyFactories.put("degraderV2_1", new DegraderLoadBalancerStrategyFactoryV2_1());
    Map<String, TransportClientFactory> clientFactories = new HashMap<String, TransportClientFactory>();
    clientFactories.put("http", new HttpClientFactory());
    // create the state
    SimpleLoadBalancerState state = new SimpleLoadBalancerState(executor, uriBus, clusterBus, serviceBus, clientFactories, loadBalancerStrategyFactories, null, null, false);
    SimpleLoadBalancer balancer = new SimpleLoadBalancer(state, 5, TimeUnit.SECONDS);
    FutureCallback<None> callback = new FutureCallback<None>();
    balancer.start(callback);
    callback.get(5, TimeUnit.SECONDS);
    new JmxManager().registerLoadBalancer("balancer", balancer).registerLoadBalancerState("state", state).registerScheduledThreadPoolExecutor("executorService", executor).registerZooKeeperPermanentStore("zkClusterRegistry", zkClusterRegistry).registerZooKeeperPermanentStore("zkServiceRegistry", zkServiceRegistry).registerZooKeeperEphemeralStore("zkUriRegistry", zkUriRegistry);
    return balancer;
}