Package com.linkedin.helix.mock.controller

Examples of com.linkedin.helix.mock.controller.ClusterController

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    // start admin thread
//    AdminThread adminThread = new AdminThread(ZK_ADDR, _port);
//    adminThread.start();

    // start controller
    ClusterController controller =
        new ClusterController(clusterName, "controller_0", ZK_ADDR);
    controller.syncStart();

    Map<String, Set<String>> errPartitions = new HashMap<String, Set<String>>()
    {
      {
        put("SLAVE-MASTER", TestHelper.setOf("TestDB0_4"));
        put("OFFLINE-SLAVE", TestHelper.setOf("TestDB0_8"));
      }
    };

    // start mock participants
    MockParticipant[] participants = new MockParticipant[n];
    for (int i = 0; i < n; i++)
    {
      String instanceName = "localhost_" + (12918 + i);

      if (i == 0)
      {
        participants[i] =
            new MockParticipant(clusterName,
                                instanceName,
                                ZK_ADDR,
                                new ErrTransition(errPartitions));
      }
      else
      {
        participants[i] = new MockParticipant(clusterName, instanceName, ZK_ADDR);
      }
      participants[i].syncStart();
    }

    // verify cluster
    Map<String, Map<String, String>> errStateMap =
        new HashMap<String, Map<String, String>>();
    errStateMap.put("TestDB0", new HashMap<String, String>());
    errStateMap.get("TestDB0").put("TestDB0_4", "localhost_12918");
    errStateMap.get("TestDB0").put("TestDB0_8", "localhost_12918");
    boolean result =
        ClusterStateVerifier.verifyByZkCallback((new ClusterStateVerifier.BestPossAndExtViewZkVerifier(ZK_ADDR,
                                                                                                       clusterName,
                                                                                                       errStateMap)));
    Assert.assertTrue(result, "Cluster verification fails");
   
    // reset resource "TestDB0"
    participants[0].setTransition(null);
    String resourceName = "TestDB0";
    String resourceUrl = "http://localhost:" + ADMIN_PORT + "/clusters/" + clusterName + "/resourceGroups/" + resourceName;

    Map<String, String> paramMap = new HashMap<String, String>();
    paramMap.put(JsonParameters.MANAGEMENT_COMMAND, ClusterSetup.resetResource);
    TestHelixAdminScenariosRest.assertSuccessPostOperation(resourceUrl, paramMap, false);

    result =
        ClusterStateVerifier.verifyByZkCallback((new ClusterStateVerifier.BestPossAndExtViewZkVerifier(ZK_ADDR,
                                                                                                       clusterName)));
    Assert.assertTrue(result, "Cluster verification fails");
   
    // clean up
    // wait for all zk callbacks done
    Thread.sleep(1000);
//    adminThread.stop();
    controller.syncStop();
    for (int i = 0; i < 5; i++)
    {
      participants[i].syncStop();
    }
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//    // start admin thread
//    AdminThread adminThread = new AdminThread(ZK_ADDR, _port);
//    adminThread.start();

    // start controller
    ClusterController controller =
        new ClusterController(clusterName, "controller_0", ZK_ADDR);
    controller.syncStart();

    Map<String, Set<String>> errPartitions = new HashMap<String, Set<String>>()
    {
      {
        put("SLAVE-MASTER", TestHelper.setOf("TestDB0_4"));
        put("OFFLINE-SLAVE", TestHelper.setOf("TestDB0_8"));
      }
    };

    // start mock participants
    MockParticipant[] participants = new MockParticipant[n];
    for (int i = 0; i < n; i++)
    {
      String instanceName = "localhost_" + (12918 + i);

      if (i == 0)
      {
        participants[i] =
            new MockParticipant(clusterName,
                                instanceName,
                                ZK_ADDR,
                                new ErrTransition(errPartitions));
      }
      else
      {
        participants[i] = new MockParticipant(clusterName, instanceName, ZK_ADDR);
      }
      participants[i].syncStart();
    }

    // verify cluster
    Map<String, Map<String, String>> errStateMap =
        new HashMap<String, Map<String, String>>();
    errStateMap.put("TestDB0", new HashMap<String, String>());
    errStateMap.get("TestDB0").put("TestDB0_4", "localhost_12918");
    errStateMap.get("TestDB0").put("TestDB0_8", "localhost_12918");
    boolean result =
        ClusterStateVerifier.verifyByZkCallback((new ClusterStateVerifier.BestPossAndExtViewZkVerifier(ZK_ADDR,
                                                                                                       clusterName,
                                                                                                       errStateMap)));
    Assert.assertTrue(result, "Cluster verification fails");

    // reset node "localhost_12918"
    participants[0].setTransition(null);
    String hostName = "localhost_12918";
    String instanceUrl = "http://localhost:" + ADMIN_PORT + "/clusters/" + clusterName + "/instances/" + hostName;

    Map<String, String> paramMap = new HashMap<String, String>();
    paramMap.put(JsonParameters.MANAGEMENT_COMMAND, ClusterSetup.resetInstance);
    TestHelixAdminScenariosRest.assertSuccessPostOperation(instanceUrl, paramMap, false);
   
    result =
        ClusterStateVerifier.verifyByZkCallback((new ClusterStateVerifier.BestPossAndExtViewZkVerifier(ZK_ADDR,
                                                                                                       clusterName)));
    Assert.assertTrue(result, "Cluster verification fails");
   
    // clean up
    // wait for all zk callbacks done
    Thread.sleep(1000);
//    adminThread.stop();
    controller.syncStop();
    for (int i = 0; i < 5; i++)
    {
      participants[i].syncStop();
    }
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Related Classes of com.linkedin.helix.mock.controller.ClusterController

  • com.linkedin.helix.healthcheck.TestDummyAlerts
  • com.linkedin.helix.integration.TestAddStateModelFactoryAfterConnect
  • com.linkedin.helix.integration.TestDisable
  • com.linkedin.helix.integration.TestDistributedClusterController
  • com.linkedin.helix.integration.TestDistributedCMMain
  • com.linkedin.helix.integration.TestDrop
  • com.linkedin.helix.integration.TestEnablePartitionDuringDisable
  • com.linkedin.helix.integration.TestGroupMessage
  • com.linkedin.helix.integration.TestNullReplica
  • com.linkedin.helix.integration.TestPauseSignal
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