Examples of BestPossibleStateOutput

Examples of org.apache.helix.controller.stages.BestPossibleStateOutput

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      LOG.info("liveNodes not match, expect: " + _expectSortedLiveNodes + ", actual: "
          + liveInstances);
      return false;
    }

    BestPossibleStateOutput bestPossbileStates = calculateBestPossibleState(cluster);
    Map<String, ExternalView> externalViews =
        _accessor.getChildValuesMap(_keyBuilder.externalViews());

    // TODO all ideal-states should be included in external-views

    for (String resourceName : externalViews.keySet()) {
      ExternalView externalView = externalViews.get(resourceName);
      ResourceAssignment assignment =
          bestPossbileStates.getResourceAssignment(ResourceId.from(resourceName));
      final Map<PartitionId, Map<String, String>> bestPossibleState = Maps.newHashMap();
      for (PartitionId partitionId : assignment.getMappedPartitionIds()) {
        Map<String, String> rawStateMap =
            ResourceAssignment.stringMapFromReplicaMap(assignment.getReplicaMap(partitionId));
        bestPossibleState.put(partitionId, rawStateMap);
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Examples of org.apache.helix.controller.stages.BestPossibleStateOutput

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    } catch (Exception e) {
      Assert.fail("Fail to register ClusterStatusMonitor");
    }

    // Test #setPerInstanceResourceStatus()
    BestPossibleStateOutput bestPossibleStates = new BestPossibleStateOutput();
    bestPossibleStates.setState(testDB, new Partition(testDB_0), "localhost_12918", "MASTER");
    bestPossibleStates.setState(testDB, new Partition(testDB_0), "localhost_12919", "SLAVE");
    bestPossibleStates.setState(testDB, new Partition(testDB_0), "localhost_12920", "SLAVE");
    bestPossibleStates.setState(testDB, new Partition(testDB_0), "localhost_12921", "OFFLINE");
    bestPossibleStates.setState(testDB, new Partition(testDB_0), "localhost_12922", "DROPPED");

    Map<String, InstanceConfig> instanceConfigMap = Maps.newHashMap();
    for (int i = 0; i < n; i++) {
      String instanceName = "localhost_" + (12918 + i);
      InstanceConfig config = new InstanceConfig(instanceName);
      instanceConfigMap.put(instanceName, config);
    }

    Map<String, Resource> resourceMap = Maps.newHashMap();
    Resource db = new Resource(testDB);
    db.setStateModelDefRef("MasterSlave");
    db.addPartition(testDB_0);
    resourceMap.put(testDB, db);

    Map<String, StateModelDefinition> stateModelDefMap = Maps.newHashMap();
    StateModelDefinition msStateModelDef =
        new StateModelDefinition(StateModelConfigGenerator.generateConfigForMasterSlave());
    stateModelDefMap.put("MasterSlave", msStateModelDef);

    monitor.setPerInstanceResourceStatus(bestPossibleStates, instanceConfigMap, resourceMap,
        stateModelDefMap);

    // localhost_12918 should have 1 partition because it's MASTER
    ObjectName objName =
        monitor.getObjectName(monitor.getPerInstanceResourceBeanName("localhost_12918", testDB));
    Object value = _server.getAttribute(objName, "PartitionGauge");
    Assert.assertTrue(value instanceof Long);
    Assert.assertEquals((Long) value, new Long(1));
    value = _server.getAttribute(objName, "SensorName");
    Assert.assertTrue(value instanceof String);
    Assert.assertEquals((String) value, String.format("%s.%s.%s.%s.%s",
        ClusterStatusMonitor.PARTICIPANT_STATUS_KEY, clusterName, ClusterStatusMonitor.DEFAULT_TAG,
        "localhost_12918", testDB));

    // localhost_12919 should have 1 partition because it's SLAVE
    objName =
        monitor.getObjectName(monitor.getPerInstanceResourceBeanName("localhost_12919", testDB));
    value = _server.getAttribute(objName, "PartitionGauge");
    Assert.assertTrue(value instanceof Long);
    Assert.assertEquals((Long) value, new Long(1));

    // localhost_12921 should have 0 partition because it's OFFLINE
    objName =
        monitor.getObjectName(monitor.getPerInstanceResourceBeanName("localhost_12921", testDB));
    value = _server.getAttribute(objName, "PartitionGauge");
    Assert.assertTrue(value instanceof Long);
    Assert.assertEquals((Long) value, new Long(0));

    // localhost_12922 should have 0 partition because it's DROPPED
    objName =
        monitor.getObjectName(monitor.getPerInstanceResourceBeanName("localhost_12922", testDB));
    value = _server.getAttribute(objName, "PartitionGauge");
    Assert.assertTrue(value instanceof Long);
    Assert.assertEquals((Long) value, new Long(0));

    // Missing localhost_12918 in best possible ideal-state should remove it from mbean
    bestPossibleStates.getInstanceStateMap(testDB, new Partition(testDB_0)).remove(
        "localhost_12918");
    monitor.setPerInstanceResourceStatus(bestPossibleStates, instanceConfigMap, resourceMap,
        stateModelDefMap);
    try {
      objName =
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Examples of org.apache.helix.controller.stages.BestPossibleStateOutput

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          idealStates.put(resource, new IdealState(resource));
        }
      }

      // calculate best possible state
      BestPossibleStateOutput bestPossOutput =
          ClusterStateVerifier.calcBestPossState(cache, resources);
      Map<String, Map<Partition, Map<String, String>>> bestPossStateMap =
          bestPossOutput.getStateMap();

      // set error states
      if (errStates != null) {
        for (String resourceName : errStates.keySet()) {
          Map<String, String> partErrStates = errStates.get(resourceName);
          for (String partitionName : partErrStates.keySet()) {
            String instanceName = partErrStates.get(partitionName);

            if (!bestPossStateMap.containsKey(resourceName)) {
              bestPossStateMap.put(resourceName, new HashMap<Partition, Map<String, String>>());
            }
            Partition partition = new Partition(partitionName);
            if (!bestPossStateMap.get(resourceName).containsKey(partition)) {
              bestPossStateMap.get(resourceName).put(partition, new HashMap<String, String>());
            }
            bestPossStateMap.get(resourceName).get(partition)
                .put(instanceName, HelixDefinedState.ERROR.toString());
          }
        }
      }

      // System.out.println("stateMap: " + bestPossStateMap);

      for (String resourceName : idealStates.keySet()) {
        ExternalView extView = extViews.get(resourceName);
        if (extView == null) {
          LOG.info("externalView for " + resourceName + " is not available");
          return false;
        }

        // step 0: remove empty map and DROPPED state from best possible state
        Map<Partition, Map<String, String>> bpStateMap =
            bestPossOutput.getResourceMap(resourceName);
        Iterator<Entry<Partition, Map<String, String>>> iter = bpStateMap.entrySet().iterator();
        while (iter.hasNext()) {
          Map.Entry<Partition, Map<String, String>> entry = iter.next();
          Map<String, String> instanceStateMap = entry.getValue();
          if (instanceStateMap.isEmpty()) {
            iter.remove();
          } else {
            // remove instances with DROPPED state
            Iterator<Map.Entry<String, String>> insIter = instanceStateMap.entrySet().iterator();
            while (insIter.hasNext()) {
              Map.Entry<String, String> insEntry = insIter.next();
              String state = insEntry.getValue();
              if (state.equalsIgnoreCase(HelixDefinedState.DROPPED.toString())) {
                insIter.remove();
              }
            }
          }
        }

        // System.err.println("resource: " + resourceName + ", bpStateMap: " + bpStateMap);

        // step 1: externalView and bestPossibleState has equal size
        int extViewSize = extView.getRecord().getMapFields().size();
        int bestPossStateSize = bestPossOutput.getResourceMap(resourceName).size();
        if (extViewSize != bestPossStateSize) {
          LOG.info("exterView size (" + extViewSize + ") is different from bestPossState size ("
              + bestPossStateSize + ") for resource: " + resourceName);

          // System.err.println("exterView size (" + extViewSize
          // + ") is different from bestPossState size (" + bestPossStateSize
          // + ") for resource: " + resourceName);
          // System.out.println("extView: " + extView.getRecord().getMapFields());
          // System.out.println("bestPossState: " +
          // bestPossOutput.getResourceMap(resourceName));
          return false;
        }

        // step 2: every entry in external view is contained in best possible state
        for (String partition : extView.getRecord().getMapFields().keySet()) {
          Map<String, String> evInstanceStateMap = extView.getRecord().getMapField(partition);
          Map<String, String> bpInstanceStateMap =
              bestPossOutput.getInstanceStateMap(resourceName, new Partition(partition));

          boolean result =
              ClusterStateVerifier.<String, String> compareMap(evInstanceStateMap,
                  bpInstanceStateMap);
          if (result == false) {
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Examples of org.apache.helix.controller.stages.BestPossibleStateOutput

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    }

    runStage(event, csStage);
    runStage(event, bpStage);

    BestPossibleStateOutput output =
        event.getAttribute(AttributeName.BEST_POSSIBLE_STATE.toString());

    // System.out.println("output:" + output);
    return output;
  }
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Examples of org.apache.helix.controller.stages.BestPossibleStateOutput

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          idealStates.put(resource, new IdealState(resource));
        }
      }
     
      // calculate best possible state
      BestPossibleStateOutput bestPossOutput =
          ClusterStateVerifier.calcBestPossState(cache);
      Map<String, Map<Partition, Map<String, String>>> bestPossStateMap = bestPossOutput.getStateMap();

      // set error states
      if (errStates != null)
      {
        for (String resourceName : errStates.keySet())
        {
          Map<String, String> partErrStates = errStates.get(resourceName);
          for (String partitionName : partErrStates.keySet())
          {
            String instanceName = partErrStates.get(partitionName);
           
            if (!bestPossStateMap.containsKey(resourceName)) {
              bestPossStateMap.put(resourceName, new HashMap<Partition, Map<String, String>>());
            }
            Partition partition = new Partition(partitionName);
            if (!bestPossStateMap.get(resourceName).containsKey(partition)) {
              bestPossStateMap.get(resourceName).put(partition, new HashMap<String, String>());
            }
            bestPossStateMap.get(resourceName).get(partition).put(instanceName, HelixDefinedState.ERROR.toString());
          }
        }
      }
     
      // System.out.println("stateMap: " + bestPossStateMap);

     
      for (String resourceName : idealStates.keySet())
      {
        ExternalView extView = extViews.get(resourceName);
        if (extView == null)
        {
          LOG.info("externalView for " + resourceName + " is not available");
          return false;
        }

        // step 0: remove empty map and DROPPED state from best possible state
        Map<Partition, Map<String, String>> bpStateMap =
            bestPossOutput.getResourceMap(resourceName);
        Iterator<Entry<Partition, Map<String, String>>> iter =
            bpStateMap.entrySet().iterator();
        while (iter.hasNext())
        {
          Map.Entry<Partition, Map<String, String>> entry = iter.next();
          Map<String, String> instanceStateMap = entry.getValue();
          if (instanceStateMap.isEmpty())
          {
            iter.remove();
          } else
          {
            // remove instances with DROPPED state
            Iterator<Map.Entry<String, String>> insIter = instanceStateMap.entrySet().iterator();
            while (insIter.hasNext())
            {
              Map.Entry<String, String> insEntry = insIter.next();
              String state = insEntry.getValue();
              if (state.equalsIgnoreCase(HelixDefinedState.DROPPED.toString()))
              {
                insIter.remove();
              }  
            }
          }
        }

        // System.err.println("resource: " + resourceName + ", bpStateMap: " + bpStateMap);

        // step 1: externalView and bestPossibleState has equal size
        int extViewSize = extView.getRecord().getMapFields().size();
        int bestPossStateSize = bestPossOutput.getResourceMap(resourceName).size();
        if (extViewSize != bestPossStateSize)
        {
          LOG.info("exterView size (" + extViewSize
              + ") is different from bestPossState size (" + bestPossStateSize
              + ") for resource: " + resourceName);
         
//          System.err.println("exterView size (" + extViewSize
//              + ") is different from bestPossState size (" + bestPossStateSize
//              + ") for resource: " + resourceName);
          // System.out.println("extView: " + extView.getRecord().getMapFields());
          // System.out.println("bestPossState: " +
          // bestPossOutput.getResourceMap(resourceName));
          return false;
        }

        // step 2: every entry in external view is contained in best possible state
        for (String partition : extView.getRecord().getMapFields().keySet())
        {
          Map<String, String> evInstanceStateMap =
              extView.getRecord().getMapField(partition);
          Map<String, String> bpInstanceStateMap =
              bestPossOutput.getInstanceStateMap(resourceName, new Partition(partition));

          boolean result =
              ClusterStateVerifier.<String, String> compareMap(evInstanceStateMap,
                                                               bpInstanceStateMap);
          if (result == false)
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Examples of org.apache.helix.controller.stages.BestPossibleStateOutput

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    runStage(event, rcState);
    runStage(event, csStage);
    runStage(event, bpStage);

    BestPossibleStateOutput output =
        event.getAttribute(AttributeName.BEST_POSSIBLE_STATE.toString());

    // System.out.println("output:" + output);
    return output;
  }
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