Package org.apache.helix.model

Examples of org.apache.helix.model.InstanceConfig

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    Assert.assertTrue(Arrays.equals(arr, arrNew));

    // test ZkDataAccessor
    ZKHelixAdmin admin = new ZKHelixAdmin(zkClient);
    admin.addCluster(className, true);
    InstanceConfig instanceConfig = new InstanceConfig("localhost_12918");
    admin.addInstance(className, instanceConfig);

    // oversized data should not create any new data on zk
    ZKHelixDataAccessor accessor =
        new ZKHelixDataAccessor(className, new ZkBaseDataAccessor(zkClient));
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    } catch (HelixException e)
    {
      // OK
    }

    InstanceConfig config = new InstanceConfig("host1_9999");
    config.setHostName("host1");
    config.setPort("9999");
    tool.addInstance(clusterName, config);
    tool.enableInstance(clusterName, "host1_9999", true);
    String path = PropertyPathConfig.getPath(PropertyType.INSTANCES,
        clusterName, "host1_9999");
    AssertJUnit.assertTrue(_gZkClient.exists(path));

    try
    {
      tool.addInstance(clusterName, config);
      Assert.fail("should fail if add an alredy-existing instance");
    } catch (HelixException e)
    {
      // OK
    }
    config = tool.getInstanceConfig(clusterName, "host1_9999");
    AssertJUnit.assertEquals(config.getId(), "host1_9999");

    tool.dropInstance(clusterName, config);
    try
    {
      tool.getInstanceConfig(clusterName, "host1_9999");
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        "MASTER");
    if (instances.size() > 0)
    {
      if (instances.size() == 1)
      {
        InstanceConfig newMasterConfig = instances.get(0);
        String master = newMasterConfig.getInstanceName();
        if (currentMasterConfig == null
            || !master.equalsIgnoreCase(currentMasterConfig.getInstanceName()))
        {
          System.out.println("Found new master:"
              + newMasterConfig.getInstanceName());
          if(currentMasterConfig!=null){
            stop();
          }
          currentMasterConfig = newMasterConfig;
          startReplication(currentMasterConfig);
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    }
  }

  public static void main(String[] args) throws Exception
  {
    InstanceConfig localInstanceConfig = new InstanceConfig("localhost_12001");
    ZNRecord record = localInstanceConfig.getRecord();
    record.setSimpleField("change_log_dir", "data/localhost_12001/translog");
    record.setSimpleField("file_store_dir", "data/localhost_12001/filestore");
    record.setSimpleField("check_point_dir", "data/localhost_12001/checkpoint");
    InstanceConfig masterInstanceConfig = new InstanceConfig("localhost_12001");
    record = masterInstanceConfig.getRecord();
    record.setSimpleField("change_log_dir", "data/localhost_12000/translog");
    record.setSimpleField("file_store_dir", "data/localhost_12000/filestore");
    record.setSimpleField("check_point_dir", "data/localhost_12000/checkpoint");
    Replicator replicator = new Replicator(localInstanceConfig, "resource",
        "partition");
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          for (String instanceName : stateMap.keySet())
          {
            String currentState = stateMap.get(instanceName);
            if (instanceConfigMap.containsKey(instanceName))
            {
              InstanceConfig instanceConfig = instanceConfigMap.get(instanceName);
              newRoutingTable.addEntry(resourceName, partitionName, currentState, instanceConfig);
            } else
            {
              logger.error("Invalid instance name." + instanceName
                  + " .Not found in /cluster/configs/. instanceName: ");
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  private static void addNode() throws Exception
  {

    NUM_NODES = NUM_NODES + 1;
    int port = 12000 + NUM_NODES - 1;
    InstanceConfig instanceConfig = new InstanceConfig("localhost_" + port);
    instanceConfig.setHostName("localhost");
    instanceConfig.setPort("" + port);
    instanceConfig.setInstanceEnabled(true);
    echo("ADDING NEW NODE :" + instanceConfig.getInstanceName()+ ". Partitions will move from old nodes to the new node.");
    admin.addInstance(CLUSTER_NAME, instanceConfig);
    INSTANCE_CONFIG_LIST.add(instanceConfig);
    MyProcess process = new MyProcess(instanceConfig.getInstanceName());
    PROCESS_LIST.add(process);
    admin.rebalance(CLUSTER_NAME, RESOURCE_NAME, 3);
    process.start();
  }
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    // add 3 participants: "localhost:{12918, 12919, 12920}"
    for (int i = 0; i < 3; i++)
    {
      int port = 12918 + i;
      InstanceConfig config = new InstanceConfig("localhost_" + port);
      config.setHostName("localhost");
      config.setPort(Integer.toString(port));
      config.setInstanceEnabled(true);
      admin.addInstance(clusterName, config);
    }

    // add resource "TestDB" which has 4 partitions and uses MasterSlave state model
    String resourceName = "TestDB";
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  {
    ZKHelixDataAccessor accessor =
        new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor(zkClient));
    Builder keyBuilder = accessor.keyBuilder();

    InstanceConfig config = accessor.getProperty(keyBuilder.instanceConfig(instance));
    AssertJUnit.assertEquals(wantEnabled, config.getInstanceEnabled());
  }
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  {
    HelixAdmin admin = new ZKHelixAdmin(_gZkClient);
    for (int i = 0; i < instances.length; i++)
    {
      String instance = "localhost_" + instances[i];
      InstanceConfig instanceConfig = new InstanceConfig(instance);
      instanceConfig.setHostName("localhost");
      instanceConfig.setPort("" + instances[i]);
      instanceConfig.setInstanceEnabled(true);
      admin.addInstance(clusterName, instanceConfig);
    }
  }
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    Assert.assertTrue(result);
    String participant3 = "localhost_" + (START_PORT + 4);
    externalView = manager.getHelixDataAccessor().getProperty(kb.externalView("TestDB"));
    Assert.assertTrue(externalView.getRecord().getMapField("TestDB_3").get(participant3).equalsIgnoreCase("OFFLINE"));

    InstanceConfig nodeConfig =
        helixDataAccessor.getProperty(keyBuilder.instanceConfig(participant3));
    Assert.assertTrue(
        nodeConfig.getRecord().getListField(InstanceConfigProperty.HELIX_DISABLED_PARTITION.toString())
          .contains("TestDB_3"));

  }
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Related Classes of org.apache.helix.model.InstanceConfig

  • com.linkedin.databus.cluster.DatabusCluster
  • org.apache.helix.api.accessor.ClusterAccessor
  • org.apache.helix.api.accessor.ParticipantAccessor
  • org.apache.helix.api.config.ParticipantConfig$Builder
  • org.apache.helix.api.config.ParticipantConfig$Delta
  • org.apache.helix.api.config.UserConfig
  • org.apache.helix.api.TestNamespacedConfig
  • org.apache.helix.controller.stages.BaseStageTest
  • org.apache.helix.controller.stages.ClusterDataCache
  • org.apache.helix.controller.stages.ContainerProvisioningStage
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