monasca-persister/monasca_persister/repositories/cassandra/abstract_repository.py

38 lines
1.3 KiB
Python

# (C) Copyright 2016 Hewlett Packard Enterprise Development Company LP
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import abc
from cassandra.cluster import Cluster
from cassandra.query import BatchStatement
from oslo_config import cfg
import six
from repositories.abstract_repository import AbstractRepository
@six.add_metaclass(abc.ABCMeta)
class AbstractCassandraRepository(AbstractRepository):
def __init__(self):
super(AbstractCassandraRepository, self).__init__()
self.conf = cfg.CONF
self._cassandra_cluster = Cluster(
self.conf.cassandra.cluster_ip_addresses.split(','))
self.cassandra_session = self._cassandra_cluster.connect(
self.conf.cassandra.keyspace)
self._batch_stmt = BatchStatement()