Package com.linkedin.helix.model

Examples of com.linkedin.helix.model.InstanceConfig

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    String controllerName = "controller_0";
    DynamicFileHelixManager controller = new DynamicFileHelixManager(clusterName,
        controllerName, InstanceType.CONTROLLER, _store);

    _mgmtTool.addCluster(clusterName, true);
    _mgmtTool.addInstance(clusterName, new InstanceConfig(instanceName));

    DynamicFileHelixManager participant = new DynamicFileHelixManager(clusterName,
        instanceName, InstanceType.PARTICIPANT, _store);

    AssertJUnit.assertEquals(instanceName, participant.getInstanceName());

    controller.disconnect();
    AssertJUnit.assertFalse(controller.isConnected());
    controller.connect();
    AssertJUnit.assertTrue(controller.isConnected());

    String sessionId = controller.getSessionId();
    // AssertJUnit.assertEquals(DynamicFileClusterManager._sessionId,
    // sessionId);
    AssertJUnit.assertEquals(clusterName, controller.getClusterName());
    AssertJUnit.assertEquals(0, controller.getLastNotificationTime());
    AssertJUnit.assertEquals(InstanceType.CONTROLLER, controller.getInstanceType());

    // AssertJUnit.assertNull(controller.getPropertyStore());
    PropertyStore<ZNRecord> propertyStore = controller.getPropertyStore();
    AssertJUnit.assertNotNull(propertyStore);
    propertyStore.setProperty("testKey", new ZNRecord("testValue"));
    ZNRecord record = propertyStore.getProperty("testKey");
    Assert.assertEquals(record.getId(), "testValue");

    AssertJUnit.assertNull(controller.getHealthReportCollector());

    MockListener controllerListener = new MockListener();
    controllerListener.reset();

    controller.addIdealStateChangeListener(controllerListener);
    AssertJUnit.assertTrue(controllerListener.isIdealStateChangeListenerInvoked);

    controller.addLiveInstanceChangeListener(controllerListener);
    AssertJUnit.assertTrue(controllerListener.isLiveInstanceChangeListenerInvoked);

    controller.addCurrentStateChangeListener(controllerListener, controllerName, sessionId);
    AssertJUnit.assertTrue(controllerListener.isCurrentStateChangeListenerInvoked);

    boolean exceptionCaught = false;
    try
    {
      controller.addConfigChangeListener(controllerListener);
    } catch (UnsupportedOperationException e)
    {
      exceptionCaught = true;
    }
    AssertJUnit.assertTrue(exceptionCaught);

    exceptionCaught = false;
    try
    {
      controller.addExternalViewChangeListener(controllerListener);
    } catch (UnsupportedOperationException e)
    {
      exceptionCaught = true;
    }
    AssertJUnit.assertTrue(exceptionCaught);

    exceptionCaught = false;
    try
    {
      controller.addControllerListener(controllerListener);
    } catch (UnsupportedOperationException e)
    {
      exceptionCaught = true;
    }
    AssertJUnit.assertTrue(exceptionCaught);

    AssertJUnit.assertFalse(controller.removeListener(null, controllerListener));

    exceptionCaught = false;
    try
    {
      controller.addIdealStateChangeListener(null);
    } catch (HelixException e)
    {
      exceptionCaught = true;
    }
    AssertJUnit.assertTrue(exceptionCaught);

    // test message service
    ClusterMessagingService msgService = controller.getMessagingService();

    // test file management tool
    HelixAdmin tool = controller.getClusterManagmentTool();

    exceptionCaught = false;
    try
    {
      tool.getClusters();
    } catch (UnsupportedOperationException e)
    {
      exceptionCaught = true;
    }
    AssertJUnit.assertTrue(exceptionCaught);

    exceptionCaught = false;
    try
    {
      tool.getResourcesInCluster(clusterName);
    } catch (UnsupportedOperationException e)
    {
      exceptionCaught = true;
    }
    AssertJUnit.assertTrue(exceptionCaught);

    exceptionCaught = false;
    try
    {
      tool.addResource(clusterName, "resource", 10, "MasterSlave",
          IdealStateModeProperty.AUTO.toString());
    } catch (UnsupportedOperationException e)
    {
      exceptionCaught = true;
    }
    AssertJUnit.assertTrue(exceptionCaught);

    exceptionCaught = false;
    try
    {
      tool.getStateModelDefs(clusterName);
    } catch (UnsupportedOperationException e)
    {
      exceptionCaught = true;
    }
    AssertJUnit.assertTrue(exceptionCaught);

    exceptionCaught = false;
    try
    {
      tool.getInstanceConfig(clusterName, instanceName);
    } catch (UnsupportedOperationException e)
    {
      exceptionCaught = true;
    }
    AssertJUnit.assertTrue(exceptionCaught);

    exceptionCaught = false;
    try
    {
      tool.getStateModelDef(clusterName, "MasterSlave");
    } catch (UnsupportedOperationException e)
    {
      exceptionCaught = true;
    }
    AssertJUnit.assertTrue(exceptionCaught);

    exceptionCaught = false;
    try
    {
      tool.getResourceExternalView(clusterName, "resource");
    } catch (UnsupportedOperationException e)
    {
      exceptionCaught = true;
    }
    AssertJUnit.assertTrue(exceptionCaught);

    exceptionCaught = false;
    try
    {
      tool.enableInstance(clusterName, "resource", false);
    } catch (UnsupportedOperationException e)
    {
      exceptionCaught = true;
    }
    AssertJUnit.assertTrue(exceptionCaught);

    tool.addCluster(clusterName, true);
    tool.addResource(clusterName, "resource", 10, "MasterSlave");
    InstanceConfig config = new InstanceConfig("nodeConfig");
    tool.addInstance(clusterName, config);
    List<String> instances = tool.getInstancesInCluster(clusterName);
    AssertJUnit.assertEquals(1, instances.size());
    tool.dropInstance(clusterName, config);
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  }

  public void addInstanceToCluster(String clusterName, String host, int port)
  {
    String instanceId = host + "_" + port;
    InstanceConfig config = new InstanceConfig(instanceId);
    config.setHostName(host);
    config.setPort(Integer.toString(port));
    config.setInstanceEnabled(true);
    _admin.addInstance(clusterName, config);
  }
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    {
      throw new HelixException("Can't drop " + instanceId + ", please stop " + instanceId
          + " before drop it");
    }

    InstanceConfig config = accessor.getProperty(keyBuilder.instanceConfig(instanceId));
    if (config == null)
    {
      String error = "Node " + instanceId + " does not exist, cannot drop";
      _logger.warn(error);
      throw new HelixException(error);
    }

    // ensure node is disabled, otherwise fail
    if (config.getInstanceEnabled())
    {
      String error = "Node " + instanceId + " is enabled, cannot drop";
      _logger.warn(error);
      throw new HelixException(error);
    }
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  {
    ZKHelixDataAccessor accessor =
        new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor(_zkClient));
    Builder keyBuilder = accessor.keyBuilder();

    InstanceConfig oldConfig =
        accessor.getProperty(keyBuilder.instanceConfig(oldInstanceName));
    if (oldConfig == null)
    {
      String error = "Old instance " + oldInstanceName + " does not exist, cannot swap";
      _logger.warn(error);
      throw new HelixException(error);
    }

    InstanceConfig newConfig =
        accessor.getProperty(keyBuilder.instanceConfig(newInstanceName));
    if (newConfig == null)
    {
      String error = "New instance " + newInstanceName + " does not exist, cannot swap";
      _logger.warn(error);
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    }
    else if (cmd.hasOption(listInstanceInfo))
    {
      String clusterName = cmd.getOptionValues(listInstanceInfo)[0];
      String instanceName = cmd.getOptionValues(listInstanceInfo)[1];
      InstanceConfig config =
          setupTool.getClusterManagementTool().getInstanceConfig(clusterName,
                                                                 instanceName);

      String result = new String(new ZNRecordSerializer().serialize(config.getRecord()));
      System.out.println("InstanceConfig: " + result);
      return 0;
    }
    else if (cmd.hasOption(listResourceInfo))
    {
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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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    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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      // TODO Auto-generated catch block
      e.printStackTrace();
    }
    DataAccessor accessor = new FileDataAccessor(store, clusterName);

    InstanceConfig config = new InstanceConfig("id0");
    accessor.setProperty(PropertyType.CONFIGS, config, ConfigScopeProperty.PARTICIPANT.toString(),
        "key0");
    config = accessor.getProperty(InstanceConfig.class, PropertyType.CONFIGS,
        ConfigScopeProperty.PARTICIPANT.toString(), "key0");
    AssertJUnit.assertEquals("id0", config.getId());

    InstanceConfig newConfig = new InstanceConfig("id1");
    accessor.updateProperty(PropertyType.CONFIGS, newConfig,
        ConfigScopeProperty.PARTICIPANT.toString(),
        "key0");
    config = accessor.getProperty(InstanceConfig.class, PropertyType.CONFIGS,
        ConfigScopeProperty.PARTICIPANT.toString(), "key0");
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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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    // 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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Related Classes of com.linkedin.helix.model.InstanceConfig

  • com.linkedin.helix.controller.stages.ClusterDataCache
  • com.linkedin.helix.examples.IdealStateExample
  • com.linkedin.helix.healthcheck.TestAlertActionTriggering
  • com.linkedin.helix.integration.FileCMTestBase
  • com.linkedin.helix.manager.file.TestFileDataAccessor
  • com.linkedin.helix.manager.file.UnitTestDynFileClusterMgr
  • com.linkedin.helix.manager.zk.TestZkHelixAdmin
  • com.linkedin.helix.manager.zk.TestZNRecordSizeLimit
  • com.linkedin.helix.manager.zk.ZKHelixAdmin
  • com.linkedin.helix.recipes.rabbitmq.Consumer
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