Examples with Group io.fabric8.groups.Group used on opensource projects

Example 21 with Group

use of io.fabric8.groups.Group in project fabric8 by jboss-fuse.

the class ServiceFactoryTest method testDiscoveryOnRestartCurator.

@Test
public void testDiscoveryOnRestartCurator() throws Exception {
    underTest = new ActiveMQServiceFactory();
    underTest.curator = curator;
    Properties props = new Properties();
    props.put("config", "amq.xml");
    props.put("broker-name", "amq");
    props.put("group", "amq");
    props.put("connectors", "openwire");
    props.put("openwire-port", "0");
    props.put("container.ip", "localhost");
    underTest.updated("b", props);
    final AtomicReference<CuratorFramework> curatorFrameworkAtomicReference = new AtomicReference<>(curator);
    OsgiFabricDiscoveryAgent osgiFabricDiscoveryAgent = new OsgiFabricDiscoveryAgent(new BundleContext() {

        @Override
        public String getProperty(String s) {
            return null;
        }

        @Override
        public Bundle getBundle() {
            return null;
        }

        @Override
        public Bundle installBundle(String s, InputStream inputStream) throws BundleException {
            return null;
        }

        @Override
        public Bundle installBundle(String s) throws BundleException {
            return null;
        }

        @Override
        public Bundle getBundle(long l) {
            return null;
        }

        @Override
        public Bundle[] getBundles() {
            return new Bundle[0];
        }

        @Override
        public void addServiceListener(ServiceListener serviceListener, String s) throws InvalidSyntaxException {
        }

        @Override
        public void addServiceListener(ServiceListener serviceListener) {
        }

        @Override
        public void removeServiceListener(ServiceListener serviceListener) {
        }

        @Override
        public void addBundleListener(BundleListener bundleListener) {
        }

        @Override
        public void removeBundleListener(BundleListener bundleListener) {
        }

        @Override
        public void addFrameworkListener(FrameworkListener frameworkListener) {
        }

        @Override
        public void removeFrameworkListener(FrameworkListener frameworkListener) {
        }

        @Override
        public ServiceRegistration<?> registerService(String[] strings, Object o, Dictionary<String, ?> dictionary) {
            return null;
        }

        @Override
        public ServiceRegistration<?> registerService(String s, Object o, Dictionary<String, ?> dictionary) {
            return null;
        }

        @Override
        public <S> ServiceRegistration<S> registerService(Class<S> aClass, S s, Dictionary<String, ?> dictionary) {
            return null;
        }

        @Override
        public ServiceReference<?>[] getServiceReferences(String s, String s1) throws InvalidSyntaxException {
            return new ServiceReference<?>[0];
        }

        @Override
        public ServiceReference<?>[] getAllServiceReferences(String s, String s1) throws InvalidSyntaxException {
            return new ServiceReference<?>[0];
        }

        @Override
        public ServiceReference<?> getServiceReference(String s) {
            return null;
        }

        @Override
        public <S> ServiceReference<S> getServiceReference(Class<S> aClass) {
            return null;
        }

        @Override
        public <S> Collection<ServiceReference<S>> getServiceReferences(Class<S> aClass, String s) throws InvalidSyntaxException {
            return null;
        }

        @Override
        public <S> S getService(ServiceReference<S> serviceReference) {
            return (S) curatorFrameworkAtomicReference.get();
        }

        @Override
        public boolean ungetService(ServiceReference<?> serviceReference) {
            return false;
        }

        @Override
        public File getDataFile(String s) {
            return null;
        }

        @Override
        public Filter createFilter(String s) throws InvalidSyntaxException {
            return null;
        }

        @Override
        public Bundle getBundle(String s) {
            return null;
        }
    });
    final LinkedBlockingQueue<DiscoveryEvent> discoveryEvents = new LinkedBlockingQueue<DiscoveryEvent>(10);
    osgiFabricDiscoveryAgent.setDiscoveryListener(new DiscoveryListener() {

        @Override
        public void onServiceAdd(DiscoveryEvent discoveryEvent) {
            discoveryEvents.offer(discoveryEvent);
        }

        @Override
        public void onServiceRemove(DiscoveryEvent discoveryEvent) {
        }
    });
    // will call into dummy bundle and get curator
    osgiFabricDiscoveryAgent.addingService(null);
    osgiFabricDiscoveryAgent.setGroupName("amq");
    osgiFabricDiscoveryAgent.start();
    DiscoveryEvent event = discoveryEvents.poll(5, TimeUnit.SECONDS);
    LOG.info("event: " + event);
    assertNotNull("got added service", event);
    underTest.deleted("b");
    // swap curator ref
    CuratorFrameworkFactory.Builder builder = CuratorFrameworkFactory.builder().connectString("localhost:" + zkPort).sessionTimeoutMs(15000).retryPolicy(new RetryNTimes(5000, 1000));
    curator = builder.build();
    LOG.debug("Starting new curator " + curator);
    curator.start();
    curatorFrameworkAtomicReference.get().close();
    curatorFrameworkAtomicReference.set(curator);
    // will call into dummy bundle and get new curator ref
    osgiFabricDiscoveryAgent.addingService(null);
    // start broker again
    underTest.curator = curator;
    underTest.updated("b", props);
    event = discoveryEvents.poll(5, TimeUnit.SECONDS);
    LOG.info("new event: " + event);
    assertNotNull("got newly added service", event);
    underTest.deleted("b");
}

Example 22 with Group

use of io.fabric8.groups.Group in project fabric8 by jboss-fuse.

the class GatewayServiceTreeCache method treeCacheEvent.

protected void treeCacheEvent(PathChildrenCacheEvent event) {
    ChildData childData = event.getData();
    if (childData == null) {
        return;
    }
    String path = childData.getPath();
    LOG.trace("Event {} on path {}", event.getType().toString(), path);
    PathChildrenCacheEvent.Type type = event.getType();
    byte[] data = childData.getData();
    if (data == null || data.length == 0 || path == null) {
        return;
    }
    if (path.startsWith(zkPath)) {
        path = path.substring(zkPath.length());
    }
    List<String> split = Strings.splitAndTrimAsList(path, "/");
    // Lets just use the group name as the service path.
    path = split.get(0);
    String zNode = split.get(1);
    boolean remove = false;
    switch(type) {
        case CHILD_ADDED:
        case CHILD_UPDATED:
            break;
        case CHILD_REMOVED:
            remove = true;
            break;
        default:
            return;
    }
    ServiceDTO dto = null;
    try {
        dto = mapper.readValue(data, ServiceDTO.class);
        expandPropertyResolvers(dto);
        dto.setContainer(dto.getContainer() + "_zNode_" + zNode);
        if (remove) {
            LOG.info("Removed gateway service: " + path + ": " + dto);
            serviceMap.serviceRemoved(path, dto);
        } else {
            LOG.info("Updated gateway service: " + path + ": " + dto);
            serviceMap.serviceUpdated(path, dto);
        }
    } catch (IOException e) {
        LOG.warn("Failed to parse the JSON: " + new String(data) + ". Reason: " + e, e);
    } catch (URISyntaxException e) {
        LOG.warn("Failed to update URI for dto: " + dto + ", .Reason: " + e, e);
    }
}

Example 23 with Group

use of io.fabric8.groups.Group 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 24 with Group

use of io.fabric8.groups.Group in project fabric8 by jboss-fuse.

the class GatewayServiceTreeCache method init.

public void init() throws Exception {
    if (active.compareAndSet(false, true)) {
        treeCache = new TreeCacheExtended(curator, zkPath, true, false, true, treeCacheExecutor);
        treeCache.start(TreeCacheExtended.StartMode.NORMAL);
        treeCache.getListenable().addListener(treeListener);
        LOG.info("Started a group listener for " + zkPath);
        for (TcpGateway gateway : gateways) {
            gateway.init();
        }
    }
}

Example 25 with Group

use of io.fabric8.groups.Group in project fabric8 by jboss-fuse.

the class FabricDiscoveryAgent method initGroup.

private synchronized void initGroup() throws Exception {
    group = (MultiGroup) factory.createMultiGroup("/fabric/registry/clusters/amq/" + groupName, ActiveMQNode.class, new NamedThreadFactory("zkgroup-fabric-mq-discovery"));
    group.add(new GroupListener<ActiveMQNode>() {

        @Override
        public void groupEvent(Group<ActiveMQNode> group, GroupEvent event) {
            LOG.debug("Event: " + event);
            Map<String, ActiveMQNode> masters = new HashMap<String, ActiveMQNode>();
            for (ActiveMQNode node : group.members().values()) {
                if (!masters.containsKey(node.id)) {
                    masters.put(node.id, node);
                }
            }
            update(masters.values());
        }
    });
}