def _create_in_db(context, updates):
session = db_api.get_api_session()
db_mapping = api_models.CellMapping()
db_mapping.update(updates)
db_mapping.save(session)
return db_mapping
def _destroy_in_db(context, uuid):
session = db_api.get_api_session()
with session.begin():
result = session.query(api_models.CellMapping).filter_by(
uuid=uuid).delete()
if not result:
raise exception.CellMappingNotFound(uuid=uuid)
def _get_by_project_id_from_db(context, project_id):
session = db_api.get_api_session()
with session.begin():
db_mappings = session.query(api_models.InstanceMapping).filter_by(
project_id=project_id).all()
return db_mappings
def _get_by_project_id_from_db(context, project_id):
session = db_api.get_api_session()
with session.begin():
db_mappings = session.query(api_models.InstanceMapping).filter_by(
project_id=project_id).all()
return db_mappings
def _get_by_uuid_from_db(context, uuid):
session = db_api.get_api_session()
with session.begin():
db_mapping = session.query(api_models.CellMapping).filter_by(
uuid=uuid).first()
if not db_mapping:
raise exception.CellMappingNotFound(uuid=uuid)
return db_mapping
def _save_in_db(context, uuid, updates):
session = db_api.get_api_session()
with session.begin():
db_mapping = session.query(
api_models.CellMapping).filter_by(uuid=uuid).first()
if not db_mapping:
raise exception.CellMappingNotFound(uuid=uuid)
db_mapping.update(updates)
session.add(db_mapping)
return db_mapping
