distcloud/dcorch/drivers/base.py

56 lines
1.5 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.
"""
Base class for all drivers.
"""
import abc
import six
from oslo_log import log as logging
LOG = logging.getLogger(__name__)
class DriverBase(object):
six.add_metaclass(abc.ABCMeta)
"""Base class for all drivers."""
def __init__(self, context):
self.context = context
@abc.abstractmethod
def get_resource_usages(self, project_id):
"""Collects resource usages for a given project
:params: project_id
:return: dictionary of corresponding resources with its usage
"""
@abc.abstractmethod
def update_quota_limits(self, project_id, new_quota):
"""Updates quota limits for a given project
:params: project_id, dictionary with the quota limits to update
:return: Nothing
"""
@abc.abstractmethod
def delete_quota_limits(self, project_id):
"""Delete quota limits for a given project
:params: project_id
:return: Nothing
"""