Package org.apache.helix

Examples of org.apache.helix.HelixAdmin

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    String clusterName = getValue("clusterName");

    ZkClient zkClient =
        (ZkClient) getContext().getAttributes().get(RestAdminApplication.ZKCLIENT);
    ClusterSetup setupTool = new ClusterSetup(zkClient);
    HelixAdmin admin = setupTool.getClusterManagementTool();
    ZNRecord record = new ZNRecord(scopeProperty + " Config");

    List<String> configKeys = admin.getConfigKeys(scopeProperty, clusterName, keys);
    record.setListField(scopeProperty.toString(), configKeys);

    representation =
        new StringRepresentation(ClusterRepresentationUtil.ZNRecordToJson(record),
                                 MediaType.APPLICATION_JSON);
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    String clusterName = getValue("clusterName");

    ZkClient zkClient =
        (ZkClient) getContext().getAttributes().get(RestAdminApplication.ZKCLIENT);
    ClusterSetup setupTool = new ClusterSetup(zkClient);
    HelixAdmin admin = setupTool.getClusterManagementTool();
    ZNRecord record = new ZNRecord(scopeProperty + " Config");

    List<String> configKeys = admin.getConfigKeys(scopeProperty, clusterName, keys);
    Map<String, String> configs = admin.getConfig(scope, new HashSet<String>(configKeys));
    record.setSimpleFields(configs);

    representation =
        new StringRepresentation(ClusterRepresentationUtil.ZNRecordToJson(record),
                                 MediaType.APPLICATION_JSON);
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    }
  }

  protected void setupInstances(String clusterName, int[] instances)
  {
    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.assertEquals(message.getToState(), "SLAVE");
    Assert.assertEquals(message.getTgtName(), "localhost_0");

    // round2: drop resource, but keep the
    // message, make sure controller should not send O->DROPPEDN until O->S is done
    HelixAdmin admin = new ZKHelixAdmin(_gZkClient);
    admin.dropResource(clusterName, resourceName);

    runPipeline(event, dataRefresh);
    runPipeline(event, rebalancePipeline);
    msgSelOutput = event.getAttribute(AttributeName.MESSAGES_SELECTED.toString());
    messages = msgSelOutput.getMessages(resourceName, new Partition(resourceName + "_0"));
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    TestHelper.setupEmptyCluster(_gZkClient, clusterName);

    admin.connect();
    AssertJUnit.assertTrue(admin.isConnected());

    HelixAdmin adminTool = admin.getClusterManagmentTool();
    ConfigScope scope = new ConfigScopeBuilder().forCluster(clusterName)
        .forResource("testResource").forPartition("testPartition").build();
    Map<String, String> properties = new HashMap<String, String>();
    properties.put("pKey1", "pValue1");
    properties.put("pKey2", "pValue2");
    adminTool.setConfig(scope, properties);

    properties = adminTool.getConfig(scope, TestHelper.setOf("pKey1", "pKey2"));
    Assert.assertEquals(properties.size(), 2);
    Assert.assertEquals(properties.get("pKey1"), "pValue1");
    Assert.assertEquals(properties.get("pKey2"), "pValue2");

    admin.disconnect();
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                            "MasterSlave",
                            true); // do rebalance

    // setup message constraint
    // "MESSAGE_TYPE=STATE_TRANSITION,TRANSITION=OFFLINE-SLAVE,INSTANCE=.*,CONSTRAINT_VALUE=1";
    HelixAdmin admin = new ZKHelixAdmin(_gZkClient);
    Map<String, String> constraints = new TreeMap<String, String>();
    constraints.put("MESSAGE_TYPE", "STATE_TRANSITION");
    // constraints.put("TRANSITION", "OFFLINE-SLAVE");
    constraints.put("CONSTRAINT_VALUE", "1");
    constraints.put("INSTANCE", ".*");
    admin.addMessageConstraint(clusterName, "constraint1", constraints);
   

    final ZKHelixDataAccessor accessor =
        new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(_gZkClient));

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    Thread[] processArray;
    processArray = new Thread[numInstances];
    try
    {
      startLocalZookeeper(2199);
      HelixAdmin admin = new ZKHelixAdmin(zkAddress);
      admin.addCluster(clusterName, true);
      StateModelConfigGenerator generator = new StateModelConfigGenerator();
      admin.addStateModelDef(clusterName, "OnlineOffline",
          new StateModelDefinition(generator.generateConfigForOnlineOffline()));
      admin.addResource(clusterName, lockGroupName, numPartitions,
          "OnlineOffline", IdealStateModeProperty.AUTO_REBALANCE.toString());
      admin.rebalance(clusterName, lockGroupName, 1);
      for (int i = 0; i < numInstances; i++)
      {
        final String instanceName = "localhost_" + (12000 + i);
        processArray[i] = new Thread(new Runnable()
        {
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    Assert.assertEquals(message.getToState(), "SLAVE");
    Assert.assertEquals(message.getTgtName(), "localhost_0");

    // round2: drop resource, but keep the
    // message, make sure controller should not send O->DROPPEDN until O->S is done
    HelixAdmin admin = new ZKHelixAdmin(_gZkClient);
    admin.dropResource(clusterName, resourceName);

    runPipeline(event, dataRefresh);
    runPipeline(event, rebalancePipeline);
    msgSelOutput = event.getAttribute(AttributeName.MESSAGES_SELECTED.toString());
    messages = msgSelOutput.getMessages(resourceName, new Partition(resourceName + "_0"));
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    Assert.assertEquals(message.getToState(), "SLAVE");
    Assert.assertEquals(message.getTgtName(), "localhost_0");

    // round2: drop resource, but keep the
    // message, make sure controller should not send O->DROPPEDN until O->S is done
    HelixAdmin admin = new ZKHelixAdmin(_gZkClient);
    admin.dropResource(clusterName, resourceName);
    List<IdealState> idealStates = accessor.getChildValues(accessor.keyBuilder().idealStates());
    cache.setIdealStates(idealStates);

    runPipeline(event, dataRefresh);
    runPipeline(event, rebalancePipeline);
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    TestHelper.setupEmptyCluster(_gZkClient, clusterName);

    admin.connect();
    AssertJUnit.assertTrue(admin.isConnected());

    HelixAdmin adminTool = admin.getClusterManagmentTool();
    // ConfigScope scope = new ConfigScopeBuilder().forCluster(clusterName)
    // .forResource("testResource").forPartition("testPartition").build();
    HelixConfigScope scope =
        new HelixConfigScopeBuilder(ConfigScopeProperty.PARTITION).forCluster(clusterName)
            .forResource("testResource").forPartition("testPartition").build();

    Map<String, String> properties = new HashMap<String, String>();
    properties.put("pKey1", "pValue1");
    properties.put("pKey2", "pValue2");
    adminTool.setConfig(scope, properties);

    properties = adminTool.getConfig(scope, Arrays.asList("pKey1", "pKey2"));
    Assert.assertEquals(properties.size(), 2);
    Assert.assertEquals(properties.get("pKey1"), "pValue1");
    Assert.assertEquals(properties.get("pKey2"), "pValue2");

    admin.disconnect();
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Related Classes of org.apache.helix.HelixAdmin

  • org.apache.helix.controller.stages.ContainerProvisioningStage
  • org.apache.helix.controller.stages.TestRebalancePipeline
  • org.apache.helix.integration.manager.TestStateModelLeak
  • org.apache.helix.integration.TestDisableCustomCodeRunner
  • org.apache.helix.integration.TestDisablePartition
  • org.apache.helix.integration.TestDisableResource
  • org.apache.helix.integration.TestDrop
  • org.apache.helix.integration.TestEntropyFreeNodeBounce
  • org.apache.helix.integration.TestFullAutoNodeTagging
  • org.apache.helix.integration.TestInvalidAutoIdealState
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