Package org.apache.s4.comm.topology

Examples of org.apache.s4.comm.topology.ZkClient

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        CommTestUtils.watchAndSignalCreation(AppConstants.INITIALIZED_ZNODE_1, signalAppInitialized,
                CommTestUtils.createZkClient());
        CommTestUtils.watchAndSignalCreation(AppConstants.INITIALIZED_ZNODE_1, signalAppStarted,
                CommTestUtils.createZkClient());

        ZNRecord record = new ZNRecord(String.valueOf(System.currentTimeMillis()));
        record.putSimpleField(DistributedDeploymentManager.S4R_URI, uri);
        zkClient.create("/s4/clusters/cluster1/app/s4App", record, CreateMode.PERSISTENT);

        Assert.assertTrue(signalAppInitialized.await(20, TimeUnit.SECONDS));
        Assert.assertTrue(signalAppStarted.await(20, TimeUnit.SECONDS));
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                    s4rToDeploy = tmpS4R;
                }
            }

            final String uri = s4rToDeploy.toURI().toString();
            ZNRecord record = new ZNRecord(String.valueOf(System.currentTimeMillis()));
            record.putSimpleField(DistributedDeploymentManager.S4R_URI, uri);
            record.putSimpleField("name", deployArgs.appName);
            String deployedAppPath = "/s4/clusters/" + deployArgs.clusterName + "/app/s4App";
            if (zkClient.exists(deployedAppPath)) {
                ZNRecord readData = zkClient.readData(deployedAppPath);
                logger.error("Cannot deploy app [{}], because app [{}] is already deployed", deployArgs.appName,
                        readData.getSimpleField("name"));
                System.exit(1);
            }

            zkClient.create("/s4/clusters/" + deployArgs.clusterName + "/app/s4App", record, CreateMode.PERSISTENT);
            logger.info(
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        this.clusterName = clusterName;
        this.server = server;

        zkClient = new ZkClient(zookeeperAddress, sessionTimeout, connectionTimeout);
        zkClient.setZkSerializer(new ZNRecordSerializer());
        String appDir = "/s4/clusters/" + clusterName + "/app";
        if (!zkClient.exists(appDir)) {
            zkClient.create(appDir, null, CreateMode.PERSISTENT);
        }
        appPath = appDir + "/s4App";
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            @Named("s4.cluster.zk_session_timeout") int sessionTimeout,
            @Named("s4.cluster.zk_connection_timeout") int connectionTimeout) {
        this.logLevel = logLevel;

        zkClient = new ZkClient(zookeeperAddress, sessionTimeout, connectionTimeout);
        zkClient.setZkSerializer(new ZNRecordSerializer());
    }
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        TaskSetup taskSetup2 = new TaskSetup("localhost:" + CommTestUtils.ZK_PORT);
        taskSetup2.setup(CONSUMER_CLUSTER, 1, 1400);

        zkClient = new ZkClient("localhost:" + CommTestUtils.ZK_PORT);
        zkClient.setZkSerializer(new ZNRecordSerializer());
        List<String> processes = zkClient.getChildren("/s4/clusters/" + PRODUCER_CLUSTER + "/process");
        Assert.assertTrue(processes.size() == 0);
        final CountDownLatch signalProcessesReady = new CountDownLatch(1);

        zkClient.subscribeChildChanges("/s4/clusters/" + PRODUCER_CLUSTER + "/process", new IZkChildListener() {
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        // TODO this is currently done offline, and the app contains the TestApp class copied from the one in the
        // current package .

        // 1. start s4 nodes. Check that no app is deployed.
        zkClient = new ZkClient("localhost:" + CommTestUtils.ZK_PORT);
        zkClient.setZkSerializer(new ZNRecordSerializer());
        List<String> processes = zkClient.getChildren("/s4/clusters/cluster1/process");
        Assert.assertTrue(processes.size() == 0);
        final CountDownLatch signalProcessesReady = new CountDownLatch(1);

        zkClient.subscribeChildChanges("/s4/clusters/cluster1/process", new IZkChildListener() {
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        Tools.parseArgs(deployArgs, args);

        try {
            ZkClient zkClient = new ZkClient(deployArgs.zkConnectionString, deployArgs.timeout);
            zkClient.setZkSerializer(new ZNRecordSerializer());

            tmpAppsDir = Files.createTempDir();

            if (!Strings.isNullOrEmpty(deployArgs.s4rPath) && !Strings.isNullOrEmpty(deployArgs.generatedS4R)) {
                logger.error("-s4r and -generatedS4R options are mutually exclusive");
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    }

    @Override
    protected void onCreate() {
        if (zk == null) {
            zk = new ZkClient("localhost:" + 2181);
        }

    }
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    }

    public static CountDownLatch getConsumerReadySignal(String streamName) {
        final CountDownLatch signalAppReady = new CountDownLatch(1);

        ZkClient zkClient = new ZkClient("localhost:" + CoreTestUtils.ZK_PORT);
        // TODO check a proper app state variable. This is hacky
        zkClient.subscribeChildChanges("/s4/streams/" + streamName + "/consumers", new IZkChildListener() {

            @Override
            public void handleChildChange(String parentPath, List<String> currentChilds) throws Exception {
                if (currentChilds.size() == 1) {
                    signalAppReady.countDown();
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        List<Cluster> clusterStatus = new ArrayList<Cluster>();
        List<Stream> streamStatus = new ArrayList<Stream>();

        try {
            ZkClient zkClient = new ZkClient(statusArgs.zkConnectionString, statusArgs.timeout);
            zkClient.setZkSerializer(new ZNRecordSerializer());

            List<String> clusters = statusArgs.clusters;
            if (clusters == null) {
                // Load all subclusters
                clusters = zkClient.getChildren("/s4/clusters");
            }

            Set<String> app = null;
            Set<String> requiredAppCluster = new HashSet<String>();
            if (statusArgs.apps != null) {
                app = new HashSet<String>(statusArgs.apps);
            }

            for (String clusterName : clusters) {
                try {
                    if (zkClient.exists("/s4/clusters/" + clusterName)) {
                        Cluster cluster = new Cluster(clusterName, zkClient);
                        if (app == null || app.contains(cluster.app.name)) {
                            clusterStatus.add(cluster);
                            requiredAppCluster.add(cluster.clusterName);
                        }
                    } else {
                        logger.error("/s4/clusters/" + clusterName + " doesn't exist");
                    }
                } catch (Exception e) {
                    logger.error("Cannot get the status of " + clusterName, e);
                }
            }

            List<String> streams = statusArgs.streams;
            if (streams == null) {
                // Load all streams published
                streams = zkClient.getChildren("/s4/streams");
            }

            for (String streamName : streams) {
                try {
                    if (zkClient.exists("/s4/streams/" + streamName)) {
                        Stream stream = new Stream(streamName, zkClient);
                        if (app == null) {
                            streamStatus.add(stream);
                        } else {
                            for (String cluster : requiredAppCluster) {
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