Package org.apache.helix.model.builder

Examples of org.apache.helix.model.builder.HelixConfigScopeBuilder

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        1, // replicas
        "MasterSlave", true); // do rebalance

    // set cluster config
    HelixConfigScope scope =
        new HelixConfigScopeBuilder(ConfigScopeProperty.CLUSTER).forCluster(clusterName).build();
    ConfigAccessor configAccessor = new ConfigAccessor(_zkclient);

    // String pidFile = ScriptTestHelper.getPrefix() + ScriptTestHelper.INTEGRATION_LOG_DIR +
    // "/default/foo_{PARTITION_NAME}_pid.txt";
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    TestHelper.setupCluster(clusterName, _zkaddr, 12918, "localhost", "TestDB", 1, 10, 5, 3,
        "MasterSlave", true);

    ConfigAccessor configAccessor = new ConfigAccessor(_zkclient);
    HelixConfigScope clusterScope =
        new HelixConfigScopeBuilder(ConfigScopeProperty.CLUSTER).forCluster(clusterName).build();

    // cluster scope config
    String clusterConfigValue = configAccessor.get(clusterScope, "clusterConfigKey");
    Assert.assertNull(clusterConfigValue);

    for (int i = 0; i < 2; i++) {
      configAccessor.set(clusterScope, "clusterConfigKey" + i, "clusterConfigValue" + i);
      clusterConfigValue = configAccessor.get(clusterScope, "clusterConfigKey" + i);
      Assert.assertEquals(clusterConfigValue, "clusterConfigValue" + i);
    }

    // resource scope config
    HelixConfigScope resourceScope =
        new HelixConfigScopeBuilder(ConfigScopeProperty.RESOURCE).forCluster(clusterName)
            .forResource("testResource").build();
    configAccessor.set(resourceScope, "resourceConfigKey", "resourceConfigValue");
    String resourceConfigValue = configAccessor.get(resourceScope, "resourceConfigKey");
    Assert.assertEquals(resourceConfigValue, "resourceConfigValue");

    // partition scope config
    HelixConfigScope partitionScope =
        new HelixConfigScopeBuilder(ConfigScopeProperty.PARTITION).forCluster(clusterName)
            .forResource("testResource").forPartition("testPartition").build();
    configAccessor.set(partitionScope, "partitionConfigKey", "partitionConfigValue");
    String partitionConfigValue = configAccessor.get(partitionScope, "partitionConfigKey");
    Assert.assertEquals(partitionConfigValue, "partitionConfigValue");

    // participant scope config
    HelixConfigScope participantScope =
        new HelixConfigScopeBuilder(ConfigScopeProperty.PARTICIPANT).forCluster(clusterName)
            .forParticipant("localhost_12918").build();
    configAccessor.set(participantScope, "participantConfigKey", "participantConfigValue");
    String participantConfigValue = configAccessor.get(participantScope, "participantConfigKey");
    Assert.assertEquals(participantConfigValue, "participantConfigValue");

    HelixConfigScope partialResourceScope =
        new HelixConfigScopeBuilder(ConfigScopeProperty.RESOURCE).forCluster(clusterName).build();
    List<String> keys = configAccessor.getKeys(partialResourceScope);
    Assert.assertEquals(keys.size(), 1, "should be [testResource]");
    Assert.assertEquals(keys.get(0), "testResource");

    keys = configAccessor.getKeys(clusterScope);
    Assert.assertEquals(keys.size(), 2, "should be [clusterConfigKey0, clusterConfigKey1]");
    Assert.assertEquals(keys.get(0), "clusterConfigKey0");
    Assert.assertEquals(keys.get(1), "clusterConfigKey1");

    HelixConfigScope partialParticipantScope =
        new HelixConfigScopeBuilder(ConfigScopeProperty.PARTICIPANT).forCluster(clusterName)
            .build();
    keys = configAccessor.getKeys(partialParticipantScope);
    Assert.assertEquals(keys.size(), 5, "should be [localhost_12918~22] sorted");
    Assert.assertEquals(keys.get(0), "localhost_12918");
    Assert.assertEquals(keys.get(4), "localhost_12922");

    HelixConfigScope partialPartitionScope =
        new HelixConfigScopeBuilder(ConfigScopeProperty.PARTITION).forCluster(clusterName)
            .forResource("testResource").build();
    keys = configAccessor.getKeys(partialPartitionScope);
    Assert.assertEquals(keys.size(), 1, "should be [testPartition]");
    Assert.assertEquals(keys.get(0), "testPartition");

    keys = configAccessor.getKeys(resourceScope);
    Assert.assertEquals(keys.size(), 1, "should be [resourceConfigKey]");
    Assert.assertEquals(keys.get(0), "resourceConfigKey");

    keys = configAccessor.getKeys(participantScope);
    System.out.println((keys));
    Assert.assertEquals(keys.size(), 4,
        "should be [HELIX_ENABLED, HELIX_HOST, HELIX_PORT, participantConfigKey]");
    Assert.assertEquals(keys.get(3), "participantConfigKey");

    keys = configAccessor.getKeys(partitionScope);
    Assert.assertEquals(keys.size(), 1, "should be [partitionConfigKey]");
    Assert.assertEquals(keys.get(0), "partitionConfigKey");

    // test configAccessor.remove()
    configAccessor.remove(clusterScope, "clusterConfigKey");
    clusterConfigValue = configAccessor.get(clusterScope, "clusterConfigKey");
    Assert.assertNull(clusterConfigValue, "Should be null since it's removed");

    configAccessor.remove(resourceScope, "resourceConfigKey");
    resourceConfigValue = configAccessor.get(resourceScope, "resourceConfigKey");
    Assert.assertNull(resourceConfigValue, "Should be null since it's removed");

    configAccessor.remove(partitionScope, "partitionConfigKey");
    partitionConfigValue = configAccessor.get(partitionScope, "partitionConfigKey");
    Assert.assertNull(partitionConfigValue, "Should be null since it's removed");

    configAccessor.remove(participantScope, "participantConfigKey");
    participantConfigValue = configAccessor.get(partitionScope, "participantConfigKey");
    Assert.assertNull(participantConfigValue, "Should be null since it's removed");

    // negative tests
    try {
      new HelixConfigScopeBuilder(ConfigScopeProperty.PARTITION).forPartition("testPartition")
          .build();
      Assert.fail("Should fail since cluster name is not set");
    } catch (Exception e) {
      // OK
    }

    try {
      new HelixConfigScopeBuilder(ConfigScopeProperty.PARTITION).forCluster("testCluster")
          .forPartition("testPartition").build();
      Assert.fail("Should fail since resource name is not set");
    } catch (Exception e) {
      // OK
    }

    try {
      new HelixConfigScopeBuilder(ConfigScopeProperty.PARTICIPANT)
          .forParticipant("testParticipant").build();
      Assert.fail("Should fail since cluster name is not set");
    } catch (Exception e) {
      // OK
    }
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    ZKHelixAdmin admin = new ZKHelixAdmin(_zkclient);
    admin.addCluster(clusterName, true);
    ConfigAccessor configAccessor = new ConfigAccessor(_zkclient);
    HelixConfigScope participantScope =
        new HelixConfigScopeBuilder(ConfigScopeProperty.PARTICIPANT).forCluster(clusterName)
            .forParticipant("localhost_12918").build();

    try {
      configAccessor.set(participantScope, "participantConfigKey", "participantConfigValue");
      Assert
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    secondResolver = new ZKHelixResolver(_zkaddr);
    secondResolver.connect();

    // Configure
    firstNode.getConfigAccessor().set(
        new HelixConfigScopeBuilder(HelixConfigScope.ConfigScopeProperty.PARTICIPANT)
            .forCluster(firstNode.getClusterName()).forParticipant(firstNode.getInstanceName())
            .build(), HelixIPCService.IPC_PORT, String.valueOf(firstPort));
    secondNode.getConfigAccessor().set(
        new HelixConfigScopeBuilder(HelixConfigScope.ConfigScopeProperty.PARTICIPANT)
            .forCluster(secondNode.getClusterName()).forParticipant(secondNode.getInstanceName())
            .build(), HelixIPCService.IPC_PORT, String.valueOf(secondPort));
  }
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    TestHelper.setupCluster(clusterName, _zkaddr, 12918, "localhost", "TestDB", 1, 10, 5, 3,
        "MasterSlave", true);

    ConfigAccessor configAccessor = new ConfigAccessor(_zkclient);
    HelixConfigScope clusterScope =
        new HelixConfigScopeBuilder(ConfigScopeProperty.CLUSTER).forCluster(clusterName).build();

    // cluster scope config
    String clusterConfigValue = configAccessor.get(clusterScope, "clusterConfigKey");
    Assert.assertNull(clusterConfigValue);

    configAccessor.set(clusterScope, "clusterConfigKey", "clusterConfigValue");
    clusterConfigValue = configAccessor.get(clusterScope, "clusterConfigKey");
    Assert.assertEquals(clusterConfigValue, "clusterConfigValue");

    // resource scope config
    HelixConfigScope resourceScope =
        new HelixConfigScopeBuilder(ConfigScopeProperty.RESOURCE).forCluster(clusterName)
            .forResource("testResource").build();
    configAccessor.set(resourceScope, "resourceConfigKey", "resourceConfigValue");
    String resourceConfigValue = configAccessor.get(resourceScope, "resourceConfigKey");
    Assert.assertEquals(resourceConfigValue, "resourceConfigValue");

    // partition scope config
    HelixConfigScope partitionScope =
        new HelixConfigScopeBuilder(ConfigScopeProperty.PARTITION).forCluster(clusterName)
            .forResource("testResource").forPartition("testPartition").build();
    configAccessor.set(partitionScope, "partitionConfigKey", "partitionConfigValue");
    String partitionConfigValue = configAccessor.get(partitionScope, "partitionConfigKey");
    Assert.assertEquals(partitionConfigValue, "partitionConfigValue");

    // participant scope config
    HelixConfigScope participantScope =
        new HelixConfigScopeBuilder(ConfigScopeProperty.PARTICIPANT).forCluster(clusterName)
            .forParticipant("localhost_12918").build();
    configAccessor.set(participantScope, "participantConfigKey", "participantConfigValue");
    String participantConfigValue = configAccessor.get(participantScope, "participantConfigKey");
    Assert.assertEquals(participantConfigValue, "participantConfigValue");

    // test get-keys
    List<String> keys =
        configAccessor.getKeys(new HelixConfigScopeBuilder(ConfigScopeProperty.RESOURCE)
            .forCluster(clusterName).build());
    Assert.assertEquals(keys.size(), 1, "should be [testResource]");
    Assert.assertEquals(keys.get(0), "testResource");

    // keys = configAccessor.getKeys(new HelixConfigScopeBuilder(ConfigScopeProperty.CLUSTER)
    // .forCluster(clusterName)
    // .build());
    // Assert.assertEquals(keys.size(), 1, "should be [" + clusterName + "]");
    // Assert.assertEquals(keys.get(0), clusterName);

    keys =
        configAccessor.getKeys(new HelixConfigScopeBuilder(ConfigScopeProperty.PARTICIPANT)
            .forCluster(clusterName).build());
    Assert.assertEquals(keys.size(), 5, "should be [localhost_12918~22] sorted");
    Assert.assertTrue(keys.contains("localhost_12918"));
    Assert.assertTrue(keys.contains("localhost_12922"));

    keys =
        configAccessor.getKeys(new HelixConfigScopeBuilder(ConfigScopeProperty.PARTITION)
            .forCluster(clusterName).forResource("testResource").build());
    Assert.assertEquals(keys.size(), 1, "should be [testPartition]");
    Assert.assertEquals(keys.get(0), "testPartition");

    keys =
        configAccessor.getKeys(new HelixConfigScopeBuilder(ConfigScopeProperty.RESOURCE)
            .forCluster(clusterName).forResource("testResource").build());
    Assert.assertEquals(keys.size(), 1, "should be [resourceConfigKey]");
    Assert.assertTrue(keys.contains("resourceConfigKey"));

    keys =
        configAccessor.getKeys(new HelixConfigScopeBuilder(ConfigScopeProperty.CLUSTER).forCluster(
            clusterName).build());
    Assert.assertEquals(keys.size(), 1, "should be [clusterConfigKey]");
    Assert.assertTrue(keys.contains("clusterConfigKey"));

    keys =
        configAccessor.getKeys(new HelixConfigScopeBuilder(ConfigScopeProperty.PARTICIPANT)
            .forCluster(clusterName).forParticipant("localhost_12918").build());
    Assert.assertEquals(keys.size(), 4,
        "should be [HELIX_ENABLED, HELIX_PORT, HELIX_HOST, participantConfigKey]");
    Assert.assertTrue(keys.contains("participantConfigKey"));

    keys =
        configAccessor.getKeys(new HelixConfigScopeBuilder(ConfigScopeProperty.PARTITION)
            .forCluster(clusterName).forResource("testResource").forPartition("testPartition")
            .build());
    Assert.assertEquals(keys.size(), 1, "should be [partitionConfigKey]");
    Assert.assertEquals(keys.get(0), "partitionConfigKey");

    // test configAccessor.remove
    configAccessor.remove(clusterScope, "clusterConfigKey");
    clusterConfigValue = configAccessor.get(clusterScope, "clusterConfigKey");
    Assert.assertNull(clusterConfigValue, "Should be null since it's removed");

    configAccessor.remove(resourceScope, "resourceConfigKey");
    resourceConfigValue = configAccessor.get(resourceScope, "resourceConfigKey");
    Assert.assertNull(resourceConfigValue, "Should be null since it's removed");

    configAccessor.remove(partitionScope, "partitionConfigKey");
    partitionConfigValue = configAccessor.get(partitionScope, "partitionConfigKey");
    Assert.assertNull(partitionConfigValue, "Should be null since it's removed");

    configAccessor.remove(participantScope, "participantConfigKey");
    participantConfigValue = configAccessor.get(partitionScope, "participantConfigKey");
    Assert.assertNull(participantConfigValue, "Should be null since it's removed");

    // negative tests
    try {
      new HelixConfigScopeBuilder(ConfigScopeProperty.PARTITION).forPartition("testPartition")
          .build();
      Assert.fail("Should fail since cluster name is not set");
    } catch (Exception e) {
      // OK
    }

    try {
      new HelixConfigScopeBuilder(ConfigScopeProperty.PARTICIPANT)
          .forParticipant("testParticipant").build();
      Assert.fail("Should fail since cluster name is not set");
    } catch (Exception e) {
      // OK
    }

    try {
      new HelixConfigScopeBuilder(ConfigScopeProperty.PARTITION).forCluster("testCluster")
          .forPartition("testPartition").build();
      Assert.fail("Should fail since resource name is not set");
    } catch (Exception e) {
      // OK
      // e.printStackTrace();
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    ZKHelixAdmin admin = new ZKHelixAdmin(_zkclient);
    admin.addCluster(clusterName, true);
    ConfigAccessor configAccessor = new ConfigAccessor(_zkclient);
    HelixConfigScope participantScope =
        new HelixConfigScopeBuilder(ConfigScopeProperty.PARTICIPANT).forCluster(clusterName)
            .forParticipant("localhost_12918").build();

    try {
      configAccessor.set(participantScope, "participantConfigKey", "participantConfigValue");
      Assert
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    }

    // enable auto join if this option is set
    if (cfg.autoJoinAllowed != null && cfg.autoJoinAllowed) {
      HelixConfigScope scope =
          new HelixConfigScopeBuilder(ConfigScopeProperty.CLUSTER).forCluster(cfg.clusterName)
              .build();
      Map<String, String> properties = new HashMap<String, String>();
      properties.put(ZKHelixManager.ALLOW_PARTICIPANT_AUTO_JOIN, cfg.autoJoinAllowed.toString());
      helixAdmin.setConfig(scope, properties);
    }
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    // test config support
    // 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");
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    tool.addStateModelDef(clusterName, "MasterSlave", new StateModelDefinition(
        StateModelConfigGenerator.generateConfigForMasterSlave()));
    tool.addResource(clusterName, "test-db", 4, "MasterSlave");
    Map<String, String> resourceConfig = new HashMap<String, String>();
    resourceConfig.put("key1", "value1");
    tool.setConfig(new HelixConfigScopeBuilder(ConfigScopeProperty.RESOURCE)
        .forCluster(clusterName).forResource("test-db").build(), resourceConfig);

    PropertyKey.Builder keyBuilder = new PropertyKey.Builder(clusterName);
    Assert.assertTrue(_zkclient.exists(keyBuilder.idealStates("test-db").getPath()),
        "test-db ideal-state should exist");
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    admin.connect();
    AssertJUnit.assertTrue(admin.isConnected());

    HelixAdmin adminTool = admin.getClusterManagmentTool();
    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");
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  • org.apache.helix.healthcheck.TestAlertActionTriggering
  • org.apache.helix.healthcheck.TestAlertFireHistory
  • org.apache.helix.integration.TestInstanceAutoJoin
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  • org.apache.helix.manager.zk.ParticipantManagerHelper
  • org.apache.helix.manager.zk.TestZkClusterManager
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