Merge "Improve the consistency between code and document on value aggregation"

doc/source/contributor/alarm-severity-config.rst

@@ -45,13 +45,16 @@ The alarm severity configuration files configure how the severity of each
 alarm is aggregated and normalized. There are several guidelines for creating
 a config file:
 
+- Severity comes with a priority, the higher severity "wins" in case
+  the same deduced alarm is raised in two scenarios (e.g., a host alarm caused
+  by both memory low and cpu high)
 - Operational severity is a normalized severity values can be mapped to
   specific defined values which can be found in operational_alarm_severity.py
   (OperationalAlarmSeverity class).
-- Aggregated severity comes with a priority, so that if an alarm is given
+- Aggregated severity is not used at the moment. It is designed for the use case
-  different severities from different sources (e.g., a host alarm raised both
+  that an alarm is given different severities from different sources (e.g., a
-  by nagios and Vitrage), the severity with the highest priority will be used
+  host alarm raised both by nagios and Vitrage), the severity with the highest
-  as the **aggregated severity**.
+  priority will be used as the **aggregated severity**.
 - The config file is in YAML format.
 - The config filename must be <datasource name>.yaml, for the relevant
   datasource.

vitrage/entity_graph/mappings/datasource_info_mapper.py

@@ -37,19 +37,19 @@ class DatasourceInfoMapper(object):
     def __init__(self, conf):
         self.conf = conf
         self.category_normalizer = self._init_category_normalizer()
-        self.datasources_state_confs = self._load_state_configurations()
+        self.datasources_value_confs = self._load_value_configurations()
 
-    def vitrage_operational_state(self, datasource_name, state):
+    def vitrage_operational_value(self, datasource_name, value):
-        return self._get_state_data(datasource_name,
+        return self._get_value_data(datasource_name,
-                                    state,
+                                    value,
                                     self.OPERATIONAL_VALUES)
 
-    def state_priority(self, datasource_name, state):
+    def value_priority(self, datasource_name, value):
-        return self._get_state_data(datasource_name,
+        return self._get_value_data(datasource_name,
-                                    state,
+                                    value,
                                     self.PRIORITY_VALUES)
 
-    def vitrage_aggregated_state(self, new_vertex, graph_vertex):
+    def vitrage_aggregate_values(self, new_vertex, graph_vertex):
         datasource_name = new_vertex[VProps.VITRAGE_TYPE] if \
             VProps.VITRAGE_TYPE in new_vertex.properties else \
             graph_vertex[VProps.VITRAGE_TYPE]
@@ -58,32 +58,32 @@ class DatasourceInfoMapper(object):
             VProps.VITRAGE_CATEGORY in new_vertex.properties else \
             graph_vertex[VProps.VITRAGE_CATEGORY]
 
-        if datasource_name in self.datasources_state_confs or \
+        if datasource_name in self.datasources_value_confs or \
                 datasource_name not in self.conf.datasources.types:
             value_properties = \
                 self.category_normalizer[vitrage_category].value_properties()
-            vitrage_operational_state, vitrage_aggregated_state, state_priority = \
+            vitrage_operational_value, vitrage_aggregated_value, value_priority = \
-                self._find_operational_state_and_priority(new_vertex,
+                self._find_operational_value_and_priority(new_vertex,
                                                           graph_vertex,
                                                           value_properties[0],
                                                           datasource_name)
             value_properties.pop(0)
 
             for property_ in value_properties:
-                t_operational_state, t_aggregated_state, t_state_priority = \
+                t_operational_value, t_aggregated_value, t_value_priority = \
-                    self._find_operational_state_and_priority(new_vertex,
+                    self._find_operational_value_and_priority(new_vertex,
                                                               graph_vertex,
                                                               property_,
                                                               datasource_name)
-                if t_state_priority > state_priority:
+                if t_value_priority > value_priority:
-                    vitrage_operational_state = t_operational_state
+                    vitrage_operational_value = t_operational_value
-                    vitrage_aggregated_state = t_aggregated_state
+                    vitrage_aggregated_value = t_aggregated_value
-                    state_priority = t_state_priority
+                    value_priority = t_value_priority
 
             self.category_normalizer[vitrage_category].set_aggregated_value(
-                new_vertex, vitrage_aggregated_state)
+                new_vertex, vitrage_aggregated_value)
             self.category_normalizer[vitrage_category].set_operational_value(
-                new_vertex, vitrage_operational_state)
+                new_vertex, vitrage_operational_value)
         else:
             self.category_normalizer[vitrage_category].set_aggregated_value(
                 new_vertex, self.UNDEFINED_DATASOURCE)
@@ -92,12 +92,12 @@ class DatasourceInfoMapper(object):
 
     def get_datasource_priorities(self, datasource_name=None):
         if datasource_name:
-            datasource_info = self.datasources_state_confs[datasource_name]
+            datasource_info = self.datasources_value_confs[datasource_name]
             return datasource_info[self.PRIORITY_VALUES]
         else:
             priorities_dict = \
-                {key: self.datasources_state_confs[key][self.PRIORITY_VALUES]
+                {key: self.datasources_value_confs[key][self.PRIORITY_VALUES]
-                 for key in self.datasources_state_confs.keys()}
+                 for key in self.datasources_value_confs.keys()}
             return priorities_dict
 
     @staticmethod
@@ -107,7 +107,7 @@ class DatasourceInfoMapper(object):
             EntityCategory.ALARM: AlarmHandler()
         }
 
-    def _load_state_configurations(self):
+    def _load_value_configurations(self):
         valid_datasources_conf = {}
         erroneous_datasources_conf = []
 
@@ -119,7 +119,7 @@ class DatasourceInfoMapper(object):
                 full_path = self.conf.entity_graph.datasources_values_dir \
                     + '/' + file_name
                 operational_values, priority_values = \
-                    self._retrieve_states_and_priorities_from_file(full_path)
+                    self._retrieve_values_and_priorities_from_file(full_path)
                 valid_datasources_conf[os.path.splitext(file_name)[0]] = {
                     self.OPERATIONAL_VALUES: operational_values,
                     self.PRIORITY_VALUES: priority_values
@@ -130,14 +130,14 @@ class DatasourceInfoMapper(object):
                 LOG.error('erroneous data sources is %s',
                           erroneous_datasources_conf.append(datasource))
 
-        self._check_state_confs_exists(
+        self._check_value_confs_exists(
             [key for key in valid_datasources_conf.keys()],
             erroneous_datasources_conf)
 
         return valid_datasources_conf
 
-    def _retrieve_states_and_priorities_from_file(self, full_path):
+    def _retrieve_values_and_priorities_from_file(self, full_path):
-        states = {}
+        values = {}
         priorities = {}
         config = file_utils.load_yaml_file(full_path, with_exception=True)
         vitrage_category = config['category']
@@ -147,57 +147,57 @@ class DatasourceInfoMapper(object):
             priority_value = int(aggregated_values['priority'])
 
             # original to operational value
-            for original_state in aggregated_values['original values']:
+            for value_map in aggregated_values['original values']:
-                original_value = original_state['name']
+                name = value_map['name']
-                operational_value = original_state['operational_value']
+                operational_value = value_map['operational_value']
-                states[original_value.upper()] = operational_value
+                values[name.upper()] = operational_value
-                priorities[original_value.upper()] = priority_value
+                priorities[name.upper()] = priority_value
 
-        self._check_validity(vitrage_category, states, priorities, full_path)
+        self._check_validity(vitrage_category, values, priorities, full_path)
 
-        self._add_default_states(states, priorities, vitrage_category)
+        self._add_default_values(values, priorities, vitrage_category)
 
-        return states, priorities
+        return values, priorities
 
-    def _add_default_states(self, states, priorities, category):
+    def _add_default_values(self, values, priorities, category):
         default_values = self.category_normalizer[category].default_values()
         for original_val, operational_val, priority_val in default_values:
-            states[original_val] = operational_val
+            values[original_val] = operational_val
             priorities[original_val] = priority_val
 
-    def _check_validity(self, category, states, priorities, full_path):
+    def _check_validity(self, category, values, priorities, full_path):
         # check that all the operational values exists
         state_class_instance = \
             self.category_normalizer[category].get_value_class_instance()
         operational_values = DatasourceInfoMapper.\
             _get_all_local_variables_of_class(state_class_instance)
-        for operational_value in states.values():
+        for operational_value in values.values():
             if operational_value not in operational_values:
                 raise ValueError('operational value %s for %s is not in %s',
                                  operational_value, full_path,
                                  state_class_instance.__class__.__name__)
 
-    def _get_state_data(self, datasource_name, state, data_type):
+    def _get_value_data(self, datasource_name, value, data_type):
         try:
-            upper_state = state if not state else state.upper()
+            upper_value = value if not value else value.upper()
 
-            if datasource_name in self.datasources_state_confs:
+            if datasource_name in self.datasources_value_confs:
-                values_conf = self.datasources_state_confs[
+                values_conf = self.datasources_value_confs[
                     datasource_name][data_type]
 
-                return values_conf[upper_state] if upper_state in values_conf \
+                return values_conf[upper_value] if upper_value in values_conf \
                     else values_conf[None]
             else:
-                values_conf = self.datasources_state_confs[
+                values_conf = self.datasources_value_confs[
                     DEFAULT_INFO_MAPPER][data_type]
 
-                return values_conf[upper_state] if upper_state in values_conf \
+                return values_conf[upper_value] if upper_value in values_conf \
                     else values_conf[None]
         except Exception:
             LOG.error('Exception in datasource: %s', datasource_name)
             raise
 
-    def _find_operational_state_and_priority(self,
+    def _find_operational_value_and_priority(self,
                                              new_vertex,
                                              graph_vertex,
                                              property_,
@@ -208,20 +208,20 @@ class DatasourceInfoMapper(object):
 
         upper_state = state if not state else state.upper()
 
-        vitrage_operational_state = self.vitrage_operational_state(
+        vitrage_operational_state = self.vitrage_operational_value(
             datasource_name, upper_state)
 
-        state_priority = self.state_priority(datasource_name,
+        value_priority = self.value_priority(datasource_name,
                                              upper_state)
 
-        return vitrage_operational_state, upper_state, state_priority
+        return vitrage_operational_state, upper_state, value_priority
 
     @staticmethod
     def _get_all_local_variables_of_class(class_instance):
         return [getattr(class_instance, attr) for attr in dir(class_instance)
                 if not callable(attr) and not attr.startswith("__")]
 
-    def _check_state_confs_exists(self,
+    def _check_value_confs_exists(self,
                                   ok_datasources,
                                   error_datasources):
 

vitrage/entity_graph/processor/processor.py

@@ -36,7 +36,7 @@ class Processor(processor.ProcessorBase):
         super(Processor, self).__init__()
         self.conf = conf
         self.transformer_manager = TransformerManager(self.conf)
-        self.state_manager = DatasourceInfoMapper(self.conf)
+        self.info_mapper = DatasourceInfoMapper(self.conf)
         self._initialize_events_actions()
         self.initialization_status = initialization_status
         self.entity_graph = e_graph
@@ -58,7 +58,7 @@ class Processor(processor.ProcessorBase):
 
         self._enrich_event(event)
         entity = self.transformer_manager.transform(event)
-        self._calculate_vitrage_aggregated_state(entity.vertex, entity.action)
+        self._calculate_vitrage_aggregated_values(entity.vertex, entity.action)
         self.actions[entity.action](entity.vertex, entity.neighbors)
         if self._graph_persistor:
             self._graph_persistor.update_last_event_timestamp(event)
@@ -223,7 +223,7 @@ class Processor(processor.ProcessorBase):
             if not graph_vertex or not PUtils.is_deleted(graph_vertex):
                 if PUtils.can_update_vertex(graph_vertex, vertex):
                     LOG.debug("Updates vertex: %s", vertex)
-                    self._calculate_vitrage_aggregated_state(vertex, action)
+                    self._calculate_vitrage_aggregated_values(vertex, action)
                     PUtils.update_entity_graph_vertex(self.entity_graph,
                                                       graph_vertex,
                                                       vertex)
@@ -301,7 +301,7 @@ class Processor(processor.ProcessorBase):
             GraphAction.END_MESSAGE: self.handle_end_message
         }
 
-    def _calculate_vitrage_aggregated_state(self, vertex, action):
+    def _calculate_vitrage_aggregated_values(self, vertex, action):
         LOG.debug("calculate event state")
 
         try:
@@ -320,7 +320,7 @@ class Processor(processor.ProcessorBase):
                           action, vertex)
                 return None
 
-            self.state_manager.vitrage_aggregated_state(vertex, graph_vertex)
+            self.info_mapper.vitrage_aggregate_values(vertex, graph_vertex)
         except Exception as e:
             LOG.exception("Calculate aggregated state failed - %s", e)
 

vitrage/tests/unit/entity_graph/processor/test_processor.py

@@ -322,7 +322,7 @@ class TestProcessor(TestEntityGraphUnitBase):
         # action
         # state already exists and its updated
         instances[0][0][VProps.STATE] = 'SUSPENDED'
-        instances[0][1]._calculate_vitrage_aggregated_state(
+        instances[0][1]._calculate_vitrage_aggregated_values(
             instances[0][0], GraphAction.UPDATE_ENTITY)
 
         # vitrage state doesn't exist and its updated
@@ -330,13 +330,13 @@ class TestProcessor(TestEntityGraphUnitBase):
         instances[1][1].entity_graph.update_vertex(instances[1][0])
         instances[1][0][VProps.VITRAGE_STATE] = \
             OperationalResourceState.SUBOPTIMAL
-        instances[1][1]._calculate_vitrage_aggregated_state(
+        instances[1][1]._calculate_vitrage_aggregated_values(
             instances[1][0], GraphAction.UPDATE_ENTITY)
 
         # state exists and vitrage state changes
         instances[2][0][VProps.VITRAGE_STATE] = \
             OperationalResourceState.SUBOPTIMAL
-        instances[2][1]._calculate_vitrage_aggregated_state(
+        instances[2][1]._calculate_vitrage_aggregated_values(
             instances[2][0], GraphAction.UPDATE_ENTITY)
 
         # vitrage state exists and state changes
@@ -345,7 +345,7 @@ class TestProcessor(TestEntityGraphUnitBase):
             OperationalResourceState.SUBOPTIMAL
         instances[3][1].entity_graph.update_vertex(instances[3][0])
         instances[3][0][VProps.STATE] = 'SUSPENDED'
-        instances[3][1]._calculate_vitrage_aggregated_state(
+        instances[3][1]._calculate_vitrage_aggregated_values(
             instances[3][0], GraphAction.UPDATE_ENTITY)
 
         # state and vitrage state exists and state changes
@@ -353,14 +353,14 @@ class TestProcessor(TestEntityGraphUnitBase):
             OperationalResourceState.SUBOPTIMAL
         instances[4][1].entity_graph.update_vertex(instances[4][0])
         instances[4][0][VProps.STATE] = 'SUSPENDED'
-        instances[4][1]._calculate_vitrage_aggregated_state(
+        instances[4][1]._calculate_vitrage_aggregated_values(
             instances[4][0], GraphAction.UPDATE_ENTITY)
 
         # state and vitrage state exists and vitrage state changes
         instances[5][0][VProps.VITRAGE_STATE] = \
             OperationalResourceState.SUBOPTIMAL
         instances[5][1].entity_graph.update_vertex(instances[5][0])
-        instances[5][1]._calculate_vitrage_aggregated_state(
+        instances[5][1]._calculate_vitrage_aggregated_values(
             instances[5][0], GraphAction.UPDATE_ENTITY)
 
         # test assertions

vitrage/tests/unit/entity_graph/states/test_datasource_info_mapper.py

@@ -67,18 +67,18 @@ class TestDatasourceInfoMapper(base.BaseTest):
         cls.conf.register_opts(cls.DATASOURCES_OPTS, group='datasources')
         cls._load_datasources(cls.conf)
 
-    def test_load_datasource_state_without_errors(self):
+    def test_load_datasource_value_without_errors(self):
         # action
-        state_manager = DatasourceInfoMapper(self.conf)
+        info_mapper = DatasourceInfoMapper(self.conf)
 
         # test assertions
 
         # Total datasources plus the evaluator which is not definable
         total_datasources = len(self.conf.datasources.types) + 1
-        self.assertThat(state_manager.datasources_state_confs,
+        self.assertThat(info_mapper.datasources_value_confs,
                         matchers.HasLength(total_datasources))
 
-    def test_load_datasources_state_with_errors(self):
+    def test_load_datasources_value_with_errors(self):
         # setup
         entity_graph_opts = [
             cfg.StrOpt('datasources_values_dir',
@@ -91,108 +91,107 @@ class TestDatasourceInfoMapper(base.BaseTest):
         self._load_datasources(conf)
 
         # action
-        state_manager = DatasourceInfoMapper(conf)
+        info_mapper = DatasourceInfoMapper(conf)
 
         # test assertions
-        missing_states = 1
+        missing_values = 1
         erroneous_values = 1
-        num_valid_datasources = len(state_manager.datasources_state_confs) + \
+        num_valid_datasources = len(info_mapper.datasources_value_confs) + \
-            missing_states + erroneous_values
+            missing_values + erroneous_values
         self.assertThat(conf.datasources.types,
                         matchers.HasLength(num_valid_datasources))
 
-    def test_vitrage_operational_state_exists(self):
+    def test_vitrage_operational_value_exists(self):
         # setup
-        state_manager = DatasourceInfoMapper(self.conf)
+        info_mapper = DatasourceInfoMapper(self.conf)
 
         # action
-        vitrage_operational_state = \
+        vitrage_operational_value = \
-            state_manager.vitrage_operational_state(NOVA_INSTANCE_DATASOURCE,
+            info_mapper.vitrage_operational_value(NOVA_INSTANCE_DATASOURCE,
                                                   'BUILDING')
 
         # test assertions
         self.assertEqual(OperationalResourceState.TRANSIENT,
-                         vitrage_operational_state)
+                         vitrage_operational_value)
 
-    def test_vitrage_operational_state_not_exists(self):
+    def test_vitrage_operational_value_not_exists(self):
         # setup
-        state_manager = DatasourceInfoMapper(self.conf)
+        info_mapper = DatasourceInfoMapper(self.conf)
 
         # action
-        vitrage_operational_state = \
+        vitrage_operational_value = \
-            state_manager.vitrage_operational_state(NOVA_INSTANCE_DATASOURCE,
+            info_mapper.vitrage_operational_value(NOVA_INSTANCE_DATASOURCE,
                                                   'NON EXISTING STATE')
 
         # test assertions
         self.assertEqual(OperationalResourceState.NA,
-                         vitrage_operational_state)
+                         vitrage_operational_value)
 
-    def test_vitrage_operational_state_DS_not_exists_and_state_not_exist(self):
+    def test_vitrage_operational_value_DS_not_exists_and_value_not_exist(self):
         # setup
-        state_manager = DatasourceInfoMapper(self.conf)
+        info_mapper = DatasourceInfoMapper(self.conf)
 
         # action
-        vitrage_operational_state = \
+        vitrage_operational_value = \
-            state_manager.vitrage_operational_state('NON EXISTING DATASOURCE',
+            info_mapper.vitrage_operational_value('NON EXISTING DATASOURCE',
                                                   'BUILDING')
 
         # test assertions
         self.assertEqual(OperationalResourceState.NA,
-                         vitrage_operational_state)
+                         vitrage_operational_value)
 
-    def test_vitrage_operational_state_DS_not_exists_and_state_exist(self):
+    def test_vitrage_operational_value_DS_not_exists_and_value_exist(self):
         # setup
-        state_manager = DatasourceInfoMapper(self.conf)
+        info_mapper = DatasourceInfoMapper(self.conf)
 
         # action
-        vitrage_operational_state = \
+        vitrage_operational_value = \
-            state_manager.vitrage_operational_state('NON EXISTING DATASOURCE',
+            info_mapper.vitrage_operational_value('NON EXISTING DATASOURCE',
                                                   'AVAILABLE')
 
         # test assertions
         self.assertEqual(OperationalResourceState.OK,
-                         vitrage_operational_state)
+                         vitrage_operational_value)
 
-    def test_state_priority(self):
+    def test_value_priority(self):
         # setup
-        state_manager = DatasourceInfoMapper(self.conf)
+        info_mapper = DatasourceInfoMapper(self.conf)
 
         # action
-        state_priority = \
+        value_priority = \
-            state_manager.state_priority(NOVA_INSTANCE_DATASOURCE,
+            info_mapper.value_priority(NOVA_INSTANCE_DATASOURCE, 'ACTIVE')
-                                         'ACTIVE')
 
         # test assertions
-        self.assertEqual(10, state_priority)
+        self.assertEqual(10, value_priority)
 
-    def test_state_priority_not_exists(self):
+    def test_value_priority_not_exists(self):
         # setup
-        state_manager = DatasourceInfoMapper(self.conf)
+        info_mapper = DatasourceInfoMapper(self.conf)
 
         # action
-        state_priority = \
+        value_priority = \
-            state_manager.state_priority(NOVA_INSTANCE_DATASOURCE,
+            info_mapper.value_priority(NOVA_INSTANCE_DATASOURCE,
                                        'NON EXISTING STATE')
 
         # test assertions
-        self.assertEqual(0, state_priority)
+        self.assertEqual(0, value_priority)
 
-    def test_state_priority_datasource_not_exists(self):
+    def test_value_priority_datasource_not_exists(self):
         # setup
-        state_manager = DatasourceInfoMapper(self.conf)
+        info_mapper = DatasourceInfoMapper(self.conf)
 
         # action
-        state_priority = \
+        value_priority = \
-            state_manager.state_priority('NON EXISTING DATASOURCE',
+            info_mapper.value_priority('NON EXISTING DATASOURCE',
                                        'ACTIVE')
 
         # test assertions
         self.assertEqual(10,
-                         state_priority)
+                         value_priority)
 
-    def test_vitrage_aggregated_state(self):
+    def test_vitrage_aggregated_value(self):
         # setup
-        state_manager = DatasourceInfoMapper(self.conf)
+        info_mapper = DatasourceInfoMapper(self.conf)
         metadata1 = {VProps.VITRAGE_STATE: 'SUSPENDED'}
         new_vertex1 = create_vertex('12345',
                                     vitrage_category=EntityCategory.RESOURCE,
@@ -207,8 +206,8 @@ class TestDatasourceInfoMapper(base.BaseTest):
                                     metadata=metadata2)
 
         # action
-        state_manager.vitrage_aggregated_state(new_vertex1, None)
+        info_mapper.vitrage_aggregate_values(new_vertex1, None)
-        state_manager.vitrage_aggregated_state(new_vertex2, None)
+        info_mapper.vitrage_aggregate_values(new_vertex2, None)
 
         # test assertions
         self.assertEqual('SUSPENDED',
@@ -220,9 +219,9 @@ class TestDatasourceInfoMapper(base.BaseTest):
         self.assertEqual(OperationalResourceState.SUBOPTIMAL,
                          new_vertex2[VProps.VITRAGE_OPERATIONAL_STATE])
 
-    def test_vitrage_aggregated_state_functionalities(self):
+    def test_vitrage_aggregated_value_functionalities(self):
         # setup
-        state_manager = DatasourceInfoMapper(self.conf)
+        info_mapper = DatasourceInfoMapper(self.conf)
         new_vertex1 = create_vertex('12345',
                                     vitrage_category=EntityCategory.RESOURCE,
                                     vitrage_type=NOVA_INSTANCE_DATASOURCE,
@@ -244,11 +243,11 @@ class TestDatasourceInfoMapper(base.BaseTest):
                                       metadata=metadata3)
 
         # action
-        state_manager.vitrage_aggregated_state(new_vertex1,
+        info_mapper.vitrage_aggregate_values(new_vertex1,
                                              None)
-        state_manager.vitrage_aggregated_state(new_vertex2,
+        info_mapper.vitrage_aggregate_values(new_vertex2,
                                              None)
-        state_manager.vitrage_aggregated_state(new_vertex3,
+        info_mapper.vitrage_aggregate_values(new_vertex3,
                                              graph_vertex3)
 
         # test assertions
@@ -265,9 +264,9 @@ class TestDatasourceInfoMapper(base.BaseTest):
         self.assertEqual(OperationalResourceState.SUBOPTIMAL,
                          new_vertex3[VProps.VITRAGE_OPERATIONAL_STATE])
 
-    def test_vitrage_aggregated_state_datasource_not_exists(self):
+    def test_vitrage_aggregated_value_datasource_not_exists(self):
         # setup
-        state_manager = DatasourceInfoMapper(self.conf)
+        info_mapper = DatasourceInfoMapper(self.conf)
         metadata = {VProps.VITRAGE_STATE: 'SUSPENDED'}
         new_vertex = create_vertex('12345',
                                    vitrage_category=EntityCategory.RESOURCE,
@@ -276,7 +275,7 @@ class TestDatasourceInfoMapper(base.BaseTest):
                                    metadata=metadata)
 
         # action
-        state_manager.vitrage_aggregated_state(new_vertex, None)
+        info_mapper.vitrage_aggregate_values(new_vertex, None)
 
         # test assertions
         self.assertEqual('ACTIVE',
@@ -284,9 +283,9 @@ class TestDatasourceInfoMapper(base.BaseTest):
         self.assertEqual(OperationalResourceState.OK,
                          new_vertex[VProps.VITRAGE_OPERATIONAL_STATE])
 
-    def test_vitrage_aggregated_state_DS_not_exists_and_wrong_state(self):
+    def test_vitrage_aggregated_value_DS_not_exists_and_wrong_state(self):
         # setup
-        state_manager = DatasourceInfoMapper(self.conf)
+        info_mapper = DatasourceInfoMapper(self.conf)
         metadata = {VProps.VITRAGE_STATE: 'SUSPENDED'}
         new_vertex = create_vertex('12345',
                                    vitrage_category=EntityCategory.RESOURCE,
@@ -295,7 +294,7 @@ class TestDatasourceInfoMapper(base.BaseTest):
                                    metadata=metadata)
 
         # action
-        state_manager.vitrage_aggregated_state(new_vertex, None)
+        info_mapper.vitrage_aggregate_values(new_vertex, None)
 
         # test assertions
         self.assertEqual('NON EXISTING STATE',