Esempio n. 1
0
    public void readClusterFromZk() throws Exception {
      List<String> processes;
      List<String> tasks;

      tasks = zkClient.getChildren(taskPath);
      processes = zkClient.getChildren(processPath);

      taskNumber = tasks.size();

      for (int i = 0; i < processes.size(); i++) {
        ZNRecord process = zkClient.readData(processPath + "/" + processes.get(i), true);
        if (process != null) {
          int partition = Integer.parseInt(process.getSimpleField("partition"));
          String host = process.getSimpleField("host");
          int port = Integer.parseInt(process.getSimpleField("port"));
          String taskId = process.getSimpleField("taskId");
          ClusterNode node = new ClusterNode(partition, port, host, taskId);
          nodes.add(node);
        }
      }

      app = new App();
      app.cluster = clusterName;
      try {
        ZNRecord appRecord = zkClient.readData(appPath);
        app.name = appRecord.getSimpleField("name");
        app.uri = appRecord.getSimpleField("s4r_uri");
      } catch (ZkNoNodeException e) {
        logger.warn(appPath + " doesn't exist");
      }
    }
Esempio n. 2
0
    private void readStreamFromZk() throws Exception {
      List<String> consumerNodes = zkClient.getChildren(consumerPath);
      for (String node : consumerNodes) {
        ZNRecord consumer = zkClient.readData(consumerPath + "/" + node, true);
        consumers.add(consumer.getSimpleField("clusterName"));
      }

      List<String> producerNodes = zkClient.getChildren(producerPath);
      for (String node : producerNodes) {
        ZNRecord consumer = zkClient.readData(producerPath + "/" + node, true);
        producers.add(consumer.getSimpleField("clusterName"));
      }

      getAppNames();
    }
Esempio n. 3
0
 private static String getApp(String clusterName, ZkClient zkClient) {
   String appPath = "/s4/clusters/" + clusterName + "/app/s4App";
   if (zkClient.exists(appPath)) {
     ZNRecord appRecord = zkClient.readData("/s4/clusters/" + clusterName + "/app/s4App");
     return appRecord.getSimpleField("name");
   }
   return NONE;
 }