Package com.linkedin.helix.tools.ClusterStateVerifier

Examples of com.linkedin.helix.tools.ClusterStateVerifier.BestPossAndExtViewZkVerifier

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      participants[i] = new MockParticipant(clusterName, instanceName, ZK_ADDR, null);
      participants[i].syncStart();
    }

    boolean result =
        ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR,
                                                                                 clusterName));
    Assert.assertTrue(result);
    Assert.assertTrue(listener._maxNbOfChilds <= 2, "Should get no more than 2 messages (O->S and S->M)");
   
    // clean up
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      participants[i] = new MockParticipant(clusterName, instanceName, ZK_ADDR, null);
      participants[i].syncStart();
    }

    boolean result =
        ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR,
                                                                                 clusterName));
    Assert.assertTrue(result);
   
    // stop all participants
    Thread.sleep(1000);
    for (int i = 0; i < n; i++)
    {
      participants[i].syncStop();
    }
   
    // enable group message
    ZKHelixDataAccessor accessor = new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(_gZkClient));
    Builder keyBuilder = accessor.keyBuilder();
    IdealState idealState = accessor.getProperty(keyBuilder.idealStates("TestDB0"));
    idealState.setGroupMessageMode(true);
    accessor.setProperty(keyBuilder.idealStates("TestDB0"), idealState);

    // registry a message listener so we know how many message generated
    TestZkChildListener listener = new TestZkChildListener();
    _gZkClient.subscribeChildChanges(keyBuilder.messages("localhost_12918").getPath(), listener);

    // restart all participants
    for (int i = 0; i < n; i++)
    {
      String instanceName = "localhost_" + (12918 + i);

      participants[i] = new MockParticipant(clusterName, instanceName, ZK_ADDR, null);
      participants[i].syncStart();
    }
   
    result =
        ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR,
                                                                                 clusterName));
    Assert.assertTrue(result);
    Assert.assertTrue(listener._maxNbOfChilds <= 2, "Should get no more than 2 messages (O->S and S->M)");

   
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    String resourceUrl = getResourceUrl("clusterTest1", "db_11");
    deleteUrl(resourceUrl, false);

    boolean verifyResult =
        ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR,
                                                                                 "clusterTest1"));
    Assert.assertTrue(verifyResult);
    Map<String, String> paraMap = new HashMap<String, String>();
    paraMap.put(JsonParameters.MANAGEMENT_COMMAND, ClusterSetup.addResource);
    paraMap.put(JsonParameters.RESOURCE_GROUP_NAME, "db_11");
    paraMap.put(JsonParameters.PARTITIONS, "22");
    paraMap.put(JsonParameters.STATE_MODEL_DEF_REF, "MasterSlave");
    String response =
        assertSuccessPostOperation(getClusterUrl("clusterTest1") + "/resourceGroups",
                                   paraMap,
                                   false);

    String idealStateUrl = getResourceUrl("clusterTest1", "db_11") + "/idealState";
    Assert.assertTrue(response.contains("db_11"));
    paraMap.put(JsonParameters.MANAGEMENT_COMMAND, ClusterSetup.addIdealState);
    Map<String, String> extraform = new HashMap<String, String>();
    extraform.put(JsonParameters.NEW_IDEAL_STATE, x);
    response = assertSuccessPostOperation(idealStateUrl, paraMap, extraform, false);

    verifyResult =
        ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR,
                                                                                 "clusterTest1"));
    Assert.assertTrue(verifyResult);

    ZNRecord record2 =
        _gSetupTool._admin.getResourceIdealState("clusterTest1", "db_11").getRecord();
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        ClusterStateVerifier.verifyByZkCallback(new MasterNbInExtViewVerifier(ZK_ADDR,
                                                                              "clusterTest1"));
    Assert.assertTrue(verifyResult);

    verifyResult =
        ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR,
                                                                                 "clusterTest1"));
    Assert.assertTrue(verifyResult);
  }
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    Assert.assertTrue(response.contains("DISABLED_PARTITION"));
    Assert.assertTrue(response.contains("db_11_0"));
    Assert.assertTrue(response.contains("db_11_15"));

    boolean verifyResult =
        ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR,
                                                                                 "clusterTest1"));
    Assert.assertTrue(verifyResult);

    ev = accessor.getProperty(accessor.keyBuilder().externalView("db_11"));
    Assert.assertEquals(ev.getStateMap("db_11_0").get(hostName), "OFFLINE");
    Assert.assertEquals(ev.getStateMap("db_11_15").get(hostName), "OFFLINE");

    paraMap.put(JsonParameters.ENABLED, "true");
    response = assertSuccessPostOperation(instanceUrl, paraMap, false);
    Assert.assertFalse(response.contains("db_11_0"));
    Assert.assertFalse(response.contains("db_11_15"));

    verifyResult =
        ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR,
                                                                                 "clusterTest1"));
    Assert.assertTrue(verifyResult);

    ev = accessor.getProperty(accessor.keyBuilder().externalView("db_11"));
    Assert.assertEquals(ev.getStateMap("db_11_0").get(hostName), "MASTER");
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        ClusterStateVerifier.verifyByZkCallback(new MasterNbInExtViewVerifier(ZK_ADDR,
                                                                              "clusterTest1"));
    Assert.assertTrue(verifyResult);

    verifyResult =
        ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR,
                                                                                 "clusterTest1"));
    Assert.assertTrue(verifyResult);
  }
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