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Example 16 with ZooKeeperPermanentStore

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

the class LoadBalancerEchoClient method getLoadBalancer.

public static SimpleLoadBalancer getLoadBalancer(String hostPort) throws IOException, PropertyStoreException {
    // zk stores
    ZooKeeperPermanentStore<ClusterProperties> zkClusterRegistry = null;
    ZooKeeperPermanentStore<ServiceProperties> zkServiceRegistry = null;
    ZooKeeperEphemeralStore<UriProperties> zkUriRegistry = null;
    ZKConnection zkClient = new ZKConnection(hostPort, 10000);
    zkClusterRegistry = new ZooKeeperPermanentStore<ClusterProperties>(zkClient, new ClusterPropertiesJsonSerializer(), _basePath + "/clusters");
    zkServiceRegistry = new ZooKeeperPermanentStore<ServiceProperties>(zkClient, new ServicePropertiesJsonSerializer(), _basePath + "/services");
    zkUriRegistry = new ZooKeeperEphemeralStore<UriProperties>(zkClient, new UriPropertiesJsonSerializer(), new UriPropertiesMerger(), _basePath + "/uris", false, true);
    // fs stores
    File testDirectory = LoadBalancerUtil.createTempDirectory("lb-degrader-witih-file-store-large");
    testDirectory.deleteOnExit();
    new File(testDirectory + File.separator + "cluster").mkdir();
    new File(testDirectory + File.separator + "service").mkdir();
    new File(testDirectory + File.separator + "uri").mkdir();
    FileStore<ClusterProperties> fsClusterStore = new FileStore<ClusterProperties>(testDirectory + File.separator + "cluster", ".ini", new ClusterPropertiesJsonSerializer());
    FileStore<ServiceProperties> fsServiceStore = new FileStore<ServiceProperties>(testDirectory + File.separator + "service", ".ini", new ServicePropertiesJsonSerializer());
    FileStore<UriProperties> fsUriStore = new FileStore<UriProperties>(testDirectory + File.separator + "uri", ".ini", new UriPropertiesJsonSerializer());
    // chains
    PropertyEventThread thread = new PropertyEventThread("echo client event thread");
    ScheduledExecutorService executorService = Executors.newSingleThreadScheduledExecutor(new NamedThreadFactory("echo client event thread"));
    // start up the world
    thread.start();
    PropertyEventBus<ServiceProperties> serviceBus = new PropertyEventBusImpl<ServiceProperties>(executorService, zkServiceRegistry);
    serviceBus.register(fsServiceStore);
    new ZooKeeperTogglingStore<ServiceProperties>(zkServiceRegistry, fsServiceStore, serviceBus, true);
    PropertyEventBus<UriProperties> uriBus = new PropertyEventBusImpl<UriProperties>(executorService, zkUriRegistry);
    uriBus.register(fsUriStore);
    new ZooKeeperTogglingStore<UriProperties>(zkUriRegistry, fsUriStore, uriBus, true);
    PropertyEventBus<ClusterProperties> clusterBus = new PropertyEventBusImpl<ClusterProperties>(executorService, zkClusterRegistry);
    clusterBus.register(fsClusterStore);
    new ZooKeeperTogglingStore<ClusterProperties>(zkClusterRegistry, fsClusterStore, clusterBus, true);
    Map<String, LoadBalancerStrategyFactory<? extends LoadBalancerStrategy>> loadBalancerStrategyFactories = new HashMap<String, LoadBalancerStrategyFactory<? extends LoadBalancerStrategy>>();
    // strategy and scheme factories
    loadBalancerStrategyFactories.put("degrader", new DegraderLoadBalancerStrategyFactoryV3());
    Map<String, TransportClientFactory> clientFactories = new HashMap<String, TransportClientFactory>();
    clientFactories.put("http", new HttpClientFactory());
    // create the state
    SimpleLoadBalancerState state = new SimpleLoadBalancerState(executorService, uriBus, clusterBus, serviceBus, clientFactories, loadBalancerStrategyFactories, null, null, false);
    SimpleLoadBalancer balancer = new SimpleLoadBalancer(state, 5, TimeUnit.SECONDS);
    new JmxManager().registerLoadBalancer("balancer", balancer).registerLoadBalancerState("state", state);
    return balancer;
}
Also used : ServicePropertiesJsonSerializer(com.linkedin.d2.balancer.properties.ServicePropertiesJsonSerializer) HashMap(java.util.HashMap) DegraderLoadBalancerStrategyFactoryV3(com.linkedin.d2.balancer.strategies.degrader.DegraderLoadBalancerStrategyFactoryV3) UriPropertiesMerger(com.linkedin.d2.balancer.properties.UriPropertiesMerger) ZooKeeperTogglingStore(com.linkedin.d2.discovery.stores.zk.ZooKeeperTogglingStore) UriPropertiesJsonSerializer(com.linkedin.d2.balancer.properties.UriPropertiesJsonSerializer) JmxManager(com.linkedin.d2.jmx.JmxManager) ClusterPropertiesJsonSerializer(com.linkedin.d2.balancer.properties.ClusterPropertiesJsonSerializer) UriProperties(com.linkedin.d2.balancer.properties.UriProperties) TransportClientFactory(com.linkedin.r2.transport.common.TransportClientFactory) HttpClientFactory(com.linkedin.r2.transport.http.client.HttpClientFactory) ScheduledExecutorService(java.util.concurrent.ScheduledExecutorService) SimpleLoadBalancerState(com.linkedin.d2.balancer.simple.SimpleLoadBalancerState) SimpleLoadBalancer(com.linkedin.d2.balancer.simple.SimpleLoadBalancer) ZKConnection(com.linkedin.d2.discovery.stores.zk.ZKConnection) LoadBalancerStrategyFactory(com.linkedin.d2.balancer.strategies.LoadBalancerStrategyFactory) NamedThreadFactory(com.linkedin.r2.util.NamedThreadFactory) LoadBalancerStrategy(com.linkedin.d2.balancer.strategies.LoadBalancerStrategy) FileStore(com.linkedin.d2.discovery.stores.file.FileStore) ServiceProperties(com.linkedin.d2.balancer.properties.ServiceProperties) PropertyEventBusImpl(com.linkedin.d2.discovery.event.PropertyEventBusImpl) ClusterProperties(com.linkedin.d2.balancer.properties.ClusterProperties) File(java.io.File) PropertyEventThread(com.linkedin.d2.discovery.event.PropertyEventThread)

Example 17 with ZooKeeperPermanentStore

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

the class ZooKeeperPermanentStoreStrawMan method main.

public static void main(String[] args) throws IOException, InterruptedException, PropertyStoreException {
    ZKConnection zkClient = new ZKConnection("localhost:2181", 1000);
    Set<String> listenTos = new HashSet<String>();
    ZooKeeperPermanentStore<String> zk = new ZooKeeperPermanentStore<String>(zkClient, new PropertyStringSerializer(), "/test/lb/test-property");
    listenTos.add("foo12");
    ScheduledExecutorService executorService = Executors.newSingleThreadScheduledExecutor();
    PropertyEventBus<String> bus = new PropertyEventBusImpl<String>(executorService, zk);
    bus.register(listenTos, new PropertyEventSubscriber<String>() {

        @Override
        public void onAdd(String propertyName, String propertyValue) {
            System.err.println("onAdd: " + propertyName + "\t" + propertyValue);
        }

        @Override
        public void onInitialize(String propertyName, String propertyValue) {
            System.err.println("onInitialize: " + propertyName + "\t" + propertyValue);
        }

        @Override
        public void onRemove(String propertyName) {
            System.err.println("onRemove: " + propertyName);
        }
    });
    zk.put("foo12", "TEST1");
    zk.put("foo12", "TEST2");
    zk.put("foo12", "TEST3");
    zk.put("foo12", "TEST4");
    zk.put("foo12", "TEST5");
    zk.remove("foo12");
    try {
        Thread.sleep(10000);
    } catch (InterruptedException e) {
        e.printStackTrace();
    }
    zkClient.getZooKeeper().close();
    executorService.shutdown();
}
Also used : ScheduledExecutorService(java.util.concurrent.ScheduledExecutorService) PropertyStringSerializer(com.linkedin.d2.discovery.stores.PropertyStringSerializer) PropertyEventBusImpl(com.linkedin.d2.discovery.event.PropertyEventBusImpl) HashSet(java.util.HashSet)

Example 18 with ZooKeeperPermanentStore

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

the class ZKFSTest method testZKDown.

@Test
public void testZKDown() throws Exception {
    final String TEST_SERVICE_NAME = "testingService";
    final String TEST_CLUSTER_NAME = "someCluster";
    startServer();
    try {
        ZKFSLoadBalancer balancer = getBalancer();
        FutureCallback<None> callback = new FutureCallback<None>();
        balancer.start(callback);
        callback.get(30, TimeUnit.SECONDS);
        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, TEST_CLUSTER_NAME, "/somePath", Arrays.asList("degrader"), Collections.<String, Object>emptyMap(), null, null, Arrays.asList("http"), null);
        store.put(TEST_SERVICE_NAME, props);
        ZooKeeperPermanentStore<ClusterProperties> clusterStore = new ZooKeeperPermanentStore<ClusterProperties>(conn, new ClusterPropertiesJsonSerializer(), ZKFSUtil.clusterPath(BASE_PATH));
        callback = new FutureCallback<None>();
        clusterStore.start(callback);
        callback.get(30, TimeUnit.SECONDS);
        ClusterProperties clusterProps = new ClusterProperties("someCluster");
        clusterStore.put(TEST_CLUSTER_NAME, clusterProps);
        ZKConnection serverConn = new ZKConnection("localhost:" + PORT, 30000);
        serverConn.start();
        ZooKeeperEphemeralStore<UriProperties> uriStore = new ZooKeeperEphemeralStore<UriProperties>(serverConn, new UriPropertiesJsonSerializer(), new UriPropertiesMerger(), ZKFSUtil.uriPath(BASE_PATH));
        callback = new FutureCallback<None>();
        uriStore.start(callback);
        callback.get(30, TimeUnit.SECONDS);
        ZooKeeperServer server = new ZooKeeperServer(uriStore);
        callback = new FutureCallback<None>();
        Map<Integer, PartitionData> partitionDataMap = new HashMap<Integer, PartitionData>();
        partitionDataMap.put(DefaultPartitionAccessor.DEFAULT_PARTITION_ID, new PartitionData(1.0));
        server.markUp(TEST_CLUSTER_NAME, URI.create("http://test.uri"), partitionDataMap, callback);
        callback.get(30, TimeUnit.SECONDS);
        URIRequest request = new URIRequest("d2://" + TEST_SERVICE_NAME + "/foo");
        TransportClient client = balancer.getClient(request, new RequestContext());
        // Stop the server to cause a disconnect event
        stopServer();
        // Sleep to ensure the disconnect has propagated; ideally the Toggle should expose
        // some interface to allow detection that the toggle occurred
        Thread.sleep(1000);
        // Now see if it still works
        client = balancer.getClient(request, new RequestContext());
    } finally {
        stopServer();
    }
}
Also used : ServicePropertiesJsonSerializer(com.linkedin.d2.balancer.properties.ServicePropertiesJsonSerializer) HashMap(java.util.HashMap) ZooKeeperPermanentStore(com.linkedin.d2.discovery.stores.zk.ZooKeeperPermanentStore) UriPropertiesMerger(com.linkedin.d2.balancer.properties.UriPropertiesMerger) UriPropertiesJsonSerializer(com.linkedin.d2.balancer.properties.UriPropertiesJsonSerializer) ClusterPropertiesJsonSerializer(com.linkedin.d2.balancer.properties.ClusterPropertiesJsonSerializer) PartitionData(com.linkedin.d2.balancer.properties.PartitionData) UriProperties(com.linkedin.d2.balancer.properties.UriProperties) RequestContext(com.linkedin.r2.message.RequestContext) FutureCallback(com.linkedin.common.callback.FutureCallback) TransportClient(com.linkedin.r2.transport.common.bridge.client.TransportClient) ZKConnection(com.linkedin.d2.discovery.stores.zk.ZKConnection) URIRequest(com.linkedin.d2.balancer.util.URIRequest) ZooKeeperEphemeralStore(com.linkedin.d2.discovery.stores.zk.ZooKeeperEphemeralStore) ServiceProperties(com.linkedin.d2.balancer.properties.ServiceProperties) ClusterProperties(com.linkedin.d2.balancer.properties.ClusterProperties) None(com.linkedin.common.util.None) ZooKeeperServer(com.linkedin.d2.balancer.servers.ZooKeeperServer) Test(org.testng.annotations.Test)

Example 19 with ZooKeeperPermanentStore

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

the class ZooKeeperPermanentStorePublisherTest method getStore.

@Override
protected ZooKeeperStore<String> getStore() {
    ZooKeeperPermanentStore<String> store = new ZooKeeperPermanentStore<String>(getConnection(), new PropertyStringSerializer(), "/testing/testPath");
    try {
        FutureCallback<None> callback = new FutureCallback<None>();
        store.start(callback);
        callback.get(30, TimeUnit.SECONDS);
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
    return store;
}
Also used : ZooKeeperPermanentStore(com.linkedin.d2.discovery.stores.zk.ZooKeeperPermanentStore) None(com.linkedin.common.util.None) PropertyStringSerializer(com.linkedin.d2.discovery.stores.PropertyStringSerializer) FutureCallback(com.linkedin.common.callback.FutureCallback)

Aggregations

ServiceProperties (com.linkedin.d2.balancer.properties.ServiceProperties)12 ServicePropertiesJsonSerializer (com.linkedin.d2.balancer.properties.ServicePropertiesJsonSerializer)12 ZooKeeperPermanentStore (com.linkedin.d2.discovery.stores.zk.ZooKeeperPermanentStore)12 ClusterProperties (com.linkedin.d2.balancer.properties.ClusterProperties)9 ClusterPropertiesJsonSerializer (com.linkedin.d2.balancer.properties.ClusterPropertiesJsonSerializer)9 UriProperties (com.linkedin.d2.balancer.properties.UriProperties)9 UriPropertiesJsonSerializer (com.linkedin.d2.balancer.properties.UriPropertiesJsonSerializer)9 UriPropertiesMerger (com.linkedin.d2.balancer.properties.UriPropertiesMerger)9 None (com.linkedin.common.util.None)8 FutureCallback (com.linkedin.common.callback.FutureCallback)7 ZKConnection (com.linkedin.d2.discovery.stores.zk.ZKConnection)7 ZooKeeperEphemeralStore (com.linkedin.d2.discovery.stores.zk.ZooKeeperEphemeralStore)6 HashMap (java.util.HashMap)6 PropertyEventBusImpl (com.linkedin.d2.discovery.event.PropertyEventBusImpl)4 SimpleLoadBalancer (com.linkedin.d2.balancer.simple.SimpleLoadBalancer)3 SimpleLoadBalancerState (com.linkedin.d2.balancer.simple.SimpleLoadBalancerState)3 PropertyStringSerializer (com.linkedin.d2.discovery.stores.PropertyStringSerializer)3 HashSet (java.util.HashSet)3 List (java.util.List)3 Test (org.testng.annotations.Test)3