bilean/bilean/drivers/base.py

55 lines
1.8 KiB
Python

# 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 copy
from oslo_config import cfg
from bilean.engine import environment
CONF = cfg.CONF
CONF.import_opt('cloud_backend', 'bilean.common.config')
class DriverBase(object):
'''Base class for all drivers.'''
def __init__(self, params=None):
if params is None:
params = {
'auth_url': CONF.authentication.auth_url,
'username': CONF.authentication.service_username,
'password': CONF.authentication.service_password,
'project_name': CONF.authentication.service_project_name,
'user_domain_name':
cfg.CONF.authentication.service_user_domain,
'project_domain_name':
cfg.CONF.authentication.service_project_domain,
}
self.conn_params = copy.deepcopy(params)
class BileanDriver(object):
'''Generic driver class'''
def __init__(self, backend_name=None):
if backend_name is None:
backend_name = cfg.CONF.cloud_backend
backend = environment.global_env().get_driver(backend_name)
self.compute = backend.compute
self.network = backend.network
self.identity = backend.identity
self.block_store = backend.block_store