def register_transformer_classes(conf):
transformers = {}
for datasource_type in conf.datasources.types:
try:
transformers[datasource_type] = importutils.import_object(
conf[datasource_type].transformer,
transformers, conf)
if opt_exists(conf[datasource_type], ENTITIES):
for entity in conf[datasource_type].entities:
transformers[entity] = importutils.import_object(
conf[datasource_type].transformer,
transformers, conf)
except Exception as e:
LOG.exception('Failed to register transformer %s. '
'Exception: %s', datasource_type, e)
transformers[VITRAGE_DATASOURCE] = importutils.import_object(
"%s.%s" % (EvaluatorEventTransformer.__module__,
EvaluatorEventTransformer.__name__), transformers, conf)
transformers[CONSISTENCY_DATASOURCE] = importutils.import_object(
"%s.%s" % (ConsistencyTransformer.__module__,
ConsistencyTransformer.__name__), transformers, conf)
return transformers
def _create_entity_vertex(self, entity_event):
if is_update_event(entity_event) and \
opt_exists(self.conf, self.get_type()) and \
opt_exists(self.conf[self.get_type()], 'update_method'):
update_method = self.conf[self.get_type()].update_method.lower()
if update_method == UpdateMethod.PUSH:
return self._create_update_entity_vertex(entity_event)
elif update_method == UpdateMethod.PULL:
return self._create_snapshot_entity_vertex(entity_event)
elif update_method == UpdateMethod.NONE:
return None
else:
LOG.error('Update event arrived for dataresource that is '
'defined without updates')
else:
return self._create_snapshot_entity_vertex(entity_event)
def _create_entity_vertex(self, entity_event):
if is_update_event(entity_event) and \
opt_exists(self.conf, self.get_type()) and \
opt_exists(self.conf[self.get_type()], DSOpts.UPDATE_METHOD):
update_method = self.conf[self.get_type()].update_method.lower()
if update_method == UpdateMethod.PUSH:
return self._create_update_entity_vertex(entity_event)
elif update_method == UpdateMethod.PULL:
return self._create_snapshot_entity_vertex(entity_event)
elif update_method == UpdateMethod.NONE:
return None
else:
LOG.error('Update event arrived for dataresource that is '
'defined without updates')
else:
return self._create_snapshot_entity_vertex(entity_event)
def register_transformer_classes(conf):
transformers = {}
for datasource_type in conf.datasources.types:
transformers[datasource_type] = importutils.import_object(
conf[datasource_type].transformer,
transformers, conf)
if opt_exists(conf[datasource_type], ENTITIES):
for entity in conf[datasource_type].entities:
transformers[entity] = importutils.import_object(
conf[datasource_type].transformer, transformers, conf)
transformers[VITRAGE_TYPE] = importutils.import_object(
"%s.%s" % (EvaluatorEventTransformer.__module__,
EvaluatorEventTransformer.__name__), transformers, conf)
transformers[CONSISTENCY_DATASOURCE] = importutils.import_object(
"%s.%s" % (ConsistencyTransformer.__module__,
ConsistencyTransformer.__name__), transformers, conf)
return transformers
def _get_pull_datasources(conf):
return (datasource for datasource in conf.datasources.types
if conf[datasource].update_method.lower() == UpdateMethod.PULL
and opt_exists(conf[datasource], CHANGES_INTERVAL))
def get_pull_drivers_names():
return [
name for name in CONF.datasources.types
if CONF[name].update_method.lower() == UpdateMethod.PULL
and opt_exists(CONF[name], DSOpts.CHANGES_INTERVAL)
]
def get_pull_datasources(conf):
return (datasource for datasource in conf.datasources.types
if conf[datasource].update_method.lower() == UpdateMethod.PULL
and opt_exists(conf[datasource], DSOpts.CHANGES_INTERVAL))
