Beispiel #1
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    def load(self, template_def, def_templates=None):
        name = template_def[TFields.METADATA][TFields.NAME]

        if def_templates is None:
            def_templates = {}
        defs = {}

        if TFields.DEFINITIONS in template_def:
            defs = template_def[TFields.DEFINITIONS]
            if TFields.ENTITIES in defs:
                self.entities = self._build_entities(defs[TFields.ENTITIES])

        # Add definitions from template then from definition templates.
        if TFields.INCLUDES in template_def:
            includes = template_def[TFields.INCLUDES]
            self._build_entities_from_def_templates(
                includes, def_templates, self.entities)

        if TFields.RELATIONSHIPS in defs:
            self.relationships = self._build_relationships(
                defs[TFields.RELATIONSHIPS])

        if TFields.INCLUDES in template_def:
            includes = template_def[TFields.INCLUDES]
            self._build_relationships_with_def_templates(includes,
                                                         def_templates,
                                                         self.relationships)

        scenarios = ScenarioLoader(name, self.entities, self.relationships)\
            .build_scenarios(template_def[TFields.SCENARIOS])

        return TemplateData(name, self.entities, self.relationships, scenarios)
Beispiel #2
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def validate_scenario_condition(condition, definitions_index):

    try:
        TemplateData.convert_to_dnf_format(condition)
    except Exception:
        LOG.error('%s status code: %s' % (status_msgs[85], 85))
        return get_fault_result(RESULT_DESCRIPTION, 85)

    values_to_replace = ' and ', ' or ', ' not ', '(', ')'
    condition = reduce(lambda cond, v: cond.replace(v, ' '), values_to_replace,
                       condition)

    for condition_var in condition.split(' '):

        if len(condition_var.strip()) == 0:
            continue

        result = _validate_template_id(definitions_index, condition_var)
        if not result.is_valid:
            return result

    return get_correct_result(RESULT_DESCRIPTION)
def validate_scenario_condition(condition, definitions_index):

    try:
        TemplateData.convert_to_dnf_format(condition)
    except Exception:
        LOG.error('%s status code: %s' % (status_msgs[85], 85))
        return get_fault_result(RESULT_DESCRIPTION, 85)

    values_to_replace = ' and ', ' or ', ' not ', '(', ')'
    condition = reduce(lambda cond, v: cond.replace(v, ' '),
                       values_to_replace,
                       condition)

    for condition_var in condition.split(' '):

        if len(condition_var.strip()) == 0:
            continue

        result = _validate_template_id(definitions_index, condition_var)
        if not result.is_valid_config:
            return result

    return get_correct_result(RESULT_DESCRIPTION)
Beispiel #4
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    def _check_get_condition_common_targets(self,
                                            template_name,
                                            valid_targets):
        template_path = CONDITION_TEMPLATES_DIR % (utils.get_resources_dir(),
                                                   template_name)
        template_definition = file_utils.load_yaml_file(template_path, True)

        template_data = TemplateData(template_definition)
        definitions_index = template_data.entities.copy()
        definitions_index.update(template_data.relationships)

        common_targets = get_condition_common_targets(
            template_data.scenarios[0].condition,
            definitions_index,
            self.ConditionSymbolResolver())

        self.assertIsNotNone(common_targets)
        self.assertTrue(common_targets == set(valid_targets))
Beispiel #5
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    def add_template(self, template_def):

        current_time = datetime_utils.utcnow()

        result = syntax_validation(template_def)
        if not result.is_valid:
            LOG.info('Unable to load template: %s', result.comment)
        else:
            result = content_validation(template_def)
            if not result.is_valid:
                LOG.info('Unable to load template: %s', result.comment)

        template_uuid = uuid.uuid4()
        self.templates[str(template_uuid)] = Template(template_uuid,
                                                      template_def,
                                                      current_time, result)
        if result.is_valid:
            template_data = TemplateData(template_def)
            self._add_template_scenarios(template_data)
Beispiel #6
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    def load(self, template_def, def_templates=None):

        template_schema = self._get_template_schema(template_def)
        if not template_schema:
            LOG.error('Failed to load template - unsupported version')
            return

        name = template_def[TFields.METADATA][TFields.NAME]

        # template_type might be None, it is defined only in version 2
        template_type = template_def[TFields.METADATA].get(TFields.TYPE)

        if def_templates is None:
            def_templates = {}
        defs = {}

        if TFields.DEFINITIONS in template_def:
            defs = template_def[TFields.DEFINITIONS]
            if TFields.ENTITIES in defs:
                self.entities = self._build_entities(defs[TFields.ENTITIES])

        # Add definitions from template then from definition templates.
        if TFields.INCLUDES in template_def:
            includes = template_def[TFields.INCLUDES]
            self._build_entities_from_def_templates(includes, def_templates,
                                                    self.entities)

        if TFields.RELATIONSHIPS in defs:
            self.relationships = self._build_relationships(
                defs[TFields.RELATIONSHIPS])

        if TFields.INCLUDES in template_def:
            includes = template_def[TFields.INCLUDES]
            self._build_relationships_with_def_templates(
                includes, def_templates, self.relationships)

        scenarios = ScenarioLoader(template_schema, name, self.entities,
                                   self.relationships).\
            build_scenarios(template_def[TFields.SCENARIOS])

        return TemplateData(name, template_type, template_schema.version(),
                            self.entities, self.relationships, scenarios)
    def test_basic_template(self):

        # Test setup
        template_path = '%s/templates/general/%s' % (utils.get_resources_dir(),
                                                     self.BASIC_TEMPLATE)
        template_definition = file_utils.load_yaml_file(template_path, True)

        template_data = TemplateData(template_definition)
        entities = template_data.entities
        relationships = template_data.relationships
        scenarios = template_data.scenarios
        definitions = template_definition[TFields.DEFINITIONS]

        # Assertions
        entities_definition = definitions[TFields.ENTITIES]
        self._validate_entities(entities, entities_definition)

        relate_def = definitions[TFields.RELATIONSHIPS]
        self._validate_relationships(relationships, relate_def, entities)
        self._validate_scenarios(scenarios, entities)
Beispiel #8
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    def add_template(self, template_def):

        current_time = datetime_utils.utcnow()

        result = syntax_validation(template_def)
        if not result.is_valid_config:
            LOG.info('Unable to load template: %s' % result.comment)
        else:
            result = content_validation(template_def)
            if not result.is_valid_config:
                LOG.info('Unable to load template: %s' % result.comment)

        template_uuid = uuidutils.generate_uuid()
        self.templates[str(template_uuid)] = Template(template_uuid,
                                                      template_def,
                                                      current_time, result)
        if result.is_valid_config:
            template_data = TemplateData(template_def)
            for scenario in template_data.scenarios:
                for equivalent_scenario in self._expand_equivalence(scenario):
                    self._add_scenario(equivalent_scenario)
Beispiel #9
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    def _build_equivalences(equivalence_defs):
        """equivalence stored as arrays of frozen entity props sets

        equivalences:: [equivalence, ...]
        equivalence:: {entity_props, ...}
        entity_props:: {(k,v), ...}
        """
        equivalences = []
        for equivalence_def in equivalence_defs:
            equivalent_entities = equivalence_def[Fields.EQUIVALENCE]
            equivalence = set()
            for entity_def in equivalent_entities:
                entity_props = {(k, v)
                                for k, v in entity_def[Fields.ENTITY].items()}

                entity_key = frozenset(
                    TemplateData._convert_props_with_set(entity_props))
                if entity_key in equivalence:
                    raise VitrageError('duplicated entities found in '
                                       'equivalence')
                equivalence.add(entity_key)
            equivalences.append(frozenset(equivalence))
        return equivalences
Beispiel #10
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    def test_basic_template(self):

        # Test setup
        template_path = '%s/templates/general/%s' % (utils.get_resources_dir(),
                                                     self.BASIC_TEMPLATE)
        template_definition = file_utils.load_yaml_file(template_path, True)

        template_data = TemplateData(template_definition)
        entities = template_data.entities
        relationships = template_data.relationships
        scenarios = template_data.scenarios
        definitions = template_definition[TFields.DEFINITIONS]

        # Assertions
        entities_definition = definitions[TFields.ENTITIES]
        self._validate_entities(entities, entities_definition)

        relate_def = definitions[TFields.RELATIONSHIPS]
        self._validate_relationships(relationships, relate_def, entities)
        self._validate_scenarios(scenarios, entities)

        expected_entities = {
            'alarm':
            Vertex(vertex_id='alarm',
                   properties={
                       'category': 'ALARM',
                       'type': 'nagios',
                       'name': 'host_problem'
                   }),
            'resource':
            Vertex(vertex_id='resource',
                   properties={
                       'category': 'RESOURCE',
                       'type': 'nova.host'
                   })
        }

        expected_relationships = {
            'alarm_on_host':
            EdgeDescription(edge=Edge(source_id='alarm',
                                      target_id='resource',
                                      label='on',
                                      properties={'relationship_type': 'on'}),
                            source=expected_entities['alarm'],
                            target=expected_entities['resource'])
        }

        expected_scenario = Scenario(
            id='basic_template-scenario0',
            condition=[[
                ConditionVar(symbol_name='alarm_on_host', positive=True)
            ]],
            actions=[
                ActionSpecs(type='set_state',
                            targets={'target': 'resource'},
                            properties={'state': 'SUBOPTIMAL'})
            ],
            # TODO(yujunz): verify the built subgraph is consistent with
            #               scenario definition. For now the observed value is
            #               assigned to make test passing
            subgraphs=template_data.scenarios[0].subgraphs,
            entities=expected_entities,
            relationships=expected_relationships)

        self._validate_strict_equal(template_data, expected_entities,
                                    expected_relationships, expected_scenario)
Beispiel #11
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 def load(self, template_schema, template_def, def_templates=None):
     template = copy.deepcopy(template_def)
     entities = _build_entities(template)
     relationships = _build_condition_relationships(template, entities)
     return TemplateData(scenarios=_build_scenarios(
         template, entities, relationships, template_schema))
Beispiel #12
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    def test_basic_template_with_include(self):

        # Test setup
        template_path = self.DEF_TEMPLATE_TESTS_DIR +\
            '/templates/%s' % self.BASIC_TEMPLATE_WITH_INCLUDE
        template_definition = file_utils.load_yaml_file(template_path, True)
        def_templates_path = self.DEF_TEMPLATE_TESTS_DIR + \
            '/definition_templates'
        def_demplates_list = file_utils.load_yaml_files(
            def_templates_path)
        def_templates_dict = utils.get_def_templates_dict_from_list(
            def_demplates_list)
        template_data = TemplateData(template_definition, def_templates_dict)
        entities = template_data.entities
        relationships = template_data.relationships
        scenarios = template_data.scenarios
        definitions = template_definition[TFields.DEFINITIONS]
        def_template = file_utils.load_yaml_file(
            def_templates_path + '/basic_def_template.yaml')
        def_template_entities = \
            def_template[TFields.DEFINITIONS][TFields.ENTITIES]
        def_template_relationships = \
            def_template[TFields.DEFINITIONS][TFields.RELATIONSHIPS]
        definitions[TFields.ENTITIES] += def_template_entities
        definitions[TFields.RELATIONSHIPS] = def_template_relationships

        # Assertions
        for definition in definitions[TFields.ENTITIES]:
            for key, value in definition['entity'].items():
                new_key = TemplateData.PROPS_CONVERSION[key] if key in \
                    TemplateData.PROPS_CONVERSION else key
                del definition['entity'][key]
                definition['entity'][new_key] = value
        self._validate_entities(entities, definitions[TFields.ENTITIES])

        relate_def = def_template_relationships
        self._validate_relationships(relationships, relate_def, entities)
        self._validate_scenarios(scenarios, entities)

        expected_entities = {
            'alarm11': Vertex(
                vertex_id='alarm11',
                properties={VProps.VITRAGE_CATEGORY: EntityCategory.ALARM,
                            VProps.VITRAGE_TYPE: NAGIOS_DATASOURCE,
                            VProps.NAME: 'host_problem'
                            }),
            'resource11': Vertex(
                vertex_id='resource11',
                properties={VProps.VITRAGE_CATEGORY: EntityCategory.RESOURCE,
                            VProps.VITRAGE_TYPE: NOVA_HOST_DATASOURCE
                            }),
            'alarm': Vertex(
                vertex_id='alarm',
                properties={VProps.VITRAGE_CATEGORY: EntityCategory.ALARM,
                            VProps.VITRAGE_TYPE: NAGIOS_DATASOURCE,
                            VProps.NAME: 'host_problem'
                            }),
            'resource': Vertex(
                vertex_id='resource',
                properties={VProps.VITRAGE_CATEGORY: EntityCategory.RESOURCE,
                            VProps.VITRAGE_TYPE: NOVA_HOST_DATASOURCE
                            })
        }
        expected_relationships = {
            'alarm_on_host': EdgeDescription(
                edge=Edge(source_id='alarm',
                          target_id='resource',
                          label=EdgeLabel.ON,
                          properties={EdgeProperties.RELATIONSHIP_TYPE:
                                      EdgeLabel.ON}),
                source=expected_entities['alarm'],
                target=expected_entities['resource']
            ),
        }

        scenario_entities = {
            'alarm': Vertex(
                vertex_id='alarm',
                properties={VProps.VITRAGE_CATEGORY: EntityCategory.ALARM,
                            VProps.VITRAGE_TYPE: NAGIOS_DATASOURCE,
                            VProps.NAME: 'host_problem'
                            }),
            'resource': Vertex(
                vertex_id='resource',
                properties={VProps.VITRAGE_CATEGORY: EntityCategory.RESOURCE,
                            VProps.VITRAGE_TYPE: NOVA_HOST_DATASOURCE
                            })
        }

        expected_scenario = Scenario(
            id='basic_template_with_include-scenario0',
            condition=[
                [ConditionVar(symbol_name='alarm_on_host',
                              positive=True)]],
            actions=[
                ActionSpecs(
                    type=ActionType.SET_STATE,
                    targets={'target': 'resource'},
                    properties={'state':
                                OperationalResourceState.SUBOPTIMAL})],
            subgraphs=template_data.scenarios[0].subgraphs,
            entities=scenario_entities,
            relationships=expected_relationships
        )

        self._validate_strict_equal(template_data,
                                    expected_entities,
                                    expected_relationships,
                                    expected_scenario)
Beispiel #13
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    def test_basic_template(self):

        # Test setup
        template_path = '%s/templates/general/%s' % (utils.get_resources_dir(),
                                                     self.BASIC_TEMPLATE)
        template_definition = file_utils.load_yaml_file(template_path, True)

        template_data = TemplateData(template_definition)
        entities = template_data.entities
        relationships = template_data.relationships
        scenarios = template_data.scenarios
        definitions = template_definition[TFields.DEFINITIONS]

        # Assertions
        for definition in definitions[TFields.ENTITIES]:
            for key, value in definition['entity'].items():
                new_key = TemplateData.PROPS_CONVERSION[key] if key in \
                    TemplateData.PROPS_CONVERSION else key
                del definition['entity'][key]
                definition['entity'][new_key] = value
        self._validate_entities(entities, definitions[TFields.ENTITIES])

        relate_def = definitions[TFields.RELATIONSHIPS]
        self._validate_relationships(relationships, relate_def, entities)
        self._validate_scenarios(scenarios, entities)

        expected_entities = {
            'alarm': Vertex(
                vertex_id='alarm',
                properties={VProps.VITRAGE_CATEGORY: EntityCategory.ALARM,
                            VProps.VITRAGE_TYPE: NAGIOS_DATASOURCE,
                            VProps.NAME: 'host_problem'
                            }),
            'resource': Vertex(
                vertex_id='resource',
                properties={VProps.VITRAGE_CATEGORY: EntityCategory.RESOURCE,
                            VProps.VITRAGE_TYPE: NOVA_HOST_DATASOURCE
                            })
        }

        expected_relationships = {
            'alarm_on_host': EdgeDescription(
                edge=Edge(source_id='alarm',
                          target_id='resource',
                          label=EdgeLabel.ON,
                          properties={EdgeProperties.RELATIONSHIP_TYPE:
                                      EdgeLabel.ON}),
                source=expected_entities['alarm'],
                target=expected_entities['resource']
            )
        }

        expected_scenario = Scenario(
            id='basic_template-scenario0',
            condition=[
                [ConditionVar(symbol_name='alarm_on_host',
                              positive=True)]],
            actions=[
                ActionSpecs(
                    type=ActionType.SET_STATE,
                    targets={'target': 'resource'},
                    properties={'state':
                                OperationalResourceState.SUBOPTIMAL})],
            # TODO(yujunz): verify the built subgraph is consistent with
            #               scenario definition. For now the observed value is
            #               assigned to make test passing
            subgraphs=template_data.scenarios[0].subgraphs,
            entities=expected_entities,
            relationships=expected_relationships
        )

        self._validate_strict_equal(template_data,
                                    expected_entities,
                                    expected_relationships,
                                    expected_scenario)