neutron/neutron/extensions/quotasv2_detail.py
Doug Wiegley 7e208c3014 Bump pylint version to one that supports python3.7
The listed revision no longer supports python2, but afaik, we are
always running under python3 for those tests anyway.

Change-Id: Iba94d73eeb65fb21f5d098afe0fbe4348dbea850
2019-02-21 13:22:26 +00:00

100 lines
3.2 KiB
Python

# Copyright 2017 Intel Corporation.
# All Rights Reserved.
#
# 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.
from neutron_lib.api import extensions as api_extensions
from neutron_lib.api import faults
from neutron_lib import exceptions as n_exc
from neutron_lib.plugins import directory
from oslo_config import cfg
from neutron._i18n import _
from neutron.api import extensions
from neutron.api.v2 import resource
from neutron.extensions import quotasv2
from neutron.quota import resource_registry
DETAIL_QUOTAS_ACTION = 'details'
RESOURCE_NAME = 'quota'
ALIAS = RESOURCE_NAME + '_' + DETAIL_QUOTAS_ACTION
QUOTA_DRIVER = cfg.CONF.QUOTAS.quota_driver
RESOURCE_COLLECTION = RESOURCE_NAME + "s"
DB_QUOTA_DRIVER = 'neutron.db.quota.driver.DbQuotaDriver'
EXTENDED_ATTRIBUTES_2_0 = {
RESOURCE_COLLECTION: {}
}
class DetailQuotaSetsController(quotasv2.QuotaSetsController):
def _get_detailed_quotas(self, request, tenant_id):
return self._driver.get_detailed_tenant_quotas(
request.context,
resource_registry.get_all_resources(), tenant_id)
def details(self, request, id):
if id != request.context.project_id:
# Check if admin
if not request.context.is_admin:
reason = _("Only admin is authorized to access quotas for"
" another tenant")
raise n_exc.AdminRequired(reason=reason)
return {self._resource_name:
self._get_detailed_quotas(request, id)}
class Quotasv2_detail(api_extensions.ExtensionDescriptor):
"""Quota details management support."""
# Ensure new extension is not loaded with old conf driver.
extensions.register_custom_supported_check(
ALIAS, lambda: QUOTA_DRIVER == DB_QUOTA_DRIVER,
plugin_agnostic=True)
@classmethod
def get_name(cls):
return "Quota details management support"
@classmethod
def get_alias(cls):
return ALIAS
@classmethod
def get_description(cls):
return 'Expose functions for quotas usage statistics per project'
@classmethod
def get_updated(cls):
return "2017-02-10T10:00:00-00:00"
@classmethod
def get_resources(cls):
"""Returns Extension Resources."""
controller = resource.Resource(
DetailQuotaSetsController(directory.get_plugin()),
faults=faults.FAULT_MAP)
return [extensions.ResourceExtension(
RESOURCE_COLLECTION,
controller,
member_actions={'details': 'GET'},
collection_actions={'tenant': 'GET'})]
def get_extended_resources(self, version):
return EXTENDED_ATTRIBUTES_2_0 if version == "2.0" else {}
def get_required_extensions(self):
return ["quotas"]