Package org.apache.helix.model

Examples of org.apache.helix.model.InstanceConfig

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      }
    }
    if (host != null && port > 0) {
      instanceId = host + "_" + port;
    }
    InstanceConfig config = new InstanceConfig(instanceId);
    if (host != null && port > 0) {
      config.setHostName(host);
      config.setPort(String.valueOf(port));

    }

    config.setInstanceEnabled(true);
    if (config.getHostName() == null) {
      config.setHostName(instanceId);
    }
    return config;
  }
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    }
    return config;
  }

  public void addInstanceToCluster(String clusterName, String instanceId) {
    InstanceConfig config = toInstanceConfig(instanceId);
    _admin.addInstance(clusterName, config);
  }
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  public void dropInstanceFromCluster(String clusterName, String instanceId) {
    ZKHelixDataAccessor accessor =
        new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(_zkClient));
    Builder keyBuilder = accessor.keyBuilder();

    InstanceConfig instanceConfig = toInstanceConfig(instanceId);
    instanceId = instanceConfig.getInstanceName();

    // ensure node is stopped
    LiveInstance liveInstance = accessor.getProperty(keyBuilder.liveInstance(instanceId));
    if (liveInstance != null) {
      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);
    }
    _admin.dropInstance(clusterName, config);
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  public void swapInstance(String clusterName, String oldInstanceName, String newInstanceName) {
    ZKHelixDataAccessor accessor =
        new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(_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);
      throw new HelixException(error);
    }
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      }
      return 0;
    } 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)) {
      // print out partition number, resource name and replication number
      // Also the ideal states and current states
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    {
        try
        {
            if (_admin != null)
            {
                InstanceConfig config = null;
                try
                {
                    config = _admin.getInstanceConfig(_clusterName, id);
                }
                catch (HelixException e)
                {
                    // the instance doesn't exist , so adding a new config
                }
                if (config != null)
                {
                    LOG.warn("Member id already exists! Overwriting instance for id="
                            + id);
                    _admin.dropInstance(_clusterName, config);
                    config = null;
                }
                config = new InstanceConfig(id);
                config.setHostName(InetAddress.getLocalHost()
                        .getCanonicalHostName());
                config.setInstanceEnabled(true);
                _admin.addInstance(_clusterName, config);
                return new DatabusClusterMember(id, notifier);
            }
        }
        catch (Exception e)
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        if (currentData == null) {
          throw new HelixException("Cluster: " + clusterName + ", instance: " + instanceName
              + ", participant config is null");
        }

        InstanceConfig config = new InstanceConfig(currentData);
        config.setInstanceEnabled(enabled);
        return config.getRecord();
      }
    }, AccessOption.PERSISTENT);
  }
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    HelixDataAccessor accessor =
        new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(_zkClient));
    Builder keyBuilder = accessor.keyBuilder();

    for (String instanceName : instances) {
      InstanceConfig config = accessor.getProperty(keyBuilder.instanceConfig(instanceName));
      if (config.containsTag(tag)) {
        result.add(instanceName);
      }
    }
    return result;
  }
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    }
    HelixDataAccessor accessor =
        new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(_zkClient));
    Builder keyBuilder = accessor.keyBuilder();

    InstanceConfig config = accessor.getProperty(keyBuilder.instanceConfig(instanceName));
    config.addTag(tag);
    accessor.setProperty(keyBuilder.instanceConfig(instanceName), config);
  }
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    }
    ZKHelixDataAccessor accessor =
        new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(_zkClient));
    Builder keyBuilder = accessor.keyBuilder();

    InstanceConfig config = accessor.getProperty(keyBuilder.instanceConfig(instanceName));
    config.removeTag(tag);
    accessor.setProperty(keyBuilder.instanceConfig(instanceName), config);
  }
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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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