100 lines
3.2 KiB
Python
100 lines
3.2 KiB
Python
# Copyright 2017 Intel Corporation.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from neutron_lib.api import extensions as api_extensions
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from neutron_lib.api import faults
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from neutron_lib import exceptions as n_exc
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from neutron_lib.plugins import directory
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from oslo_config import cfg
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from neutron._i18n import _
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from neutron.api import extensions
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from neutron.api.v2 import resource
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from neutron.extensions import quotasv2
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from neutron.quota import resource_registry
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DETAIL_QUOTAS_ACTION = 'details'
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RESOURCE_NAME = 'quota'
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ALIAS = RESOURCE_NAME + '_' + DETAIL_QUOTAS_ACTION
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QUOTA_DRIVER = cfg.CONF.QUOTAS.quota_driver
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RESOURCE_COLLECTION = RESOURCE_NAME + "s"
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DB_QUOTA_DRIVER = 'neutron.db.quota.driver.DbQuotaDriver'
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EXTENDED_ATTRIBUTES_2_0 = {
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RESOURCE_COLLECTION: {}
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}
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class DetailQuotaSetsController(quotasv2.QuotaSetsController):
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def _get_detailed_quotas(self, request, tenant_id):
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return self._driver.get_detailed_tenant_quotas(
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request.context,
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resource_registry.get_all_resources(), tenant_id)
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def details(self, request, id):
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if id != request.context.project_id:
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# Check if admin
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if not request.context.is_admin:
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reason = _("Only admin is authorized to access quotas for"
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" another tenant")
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raise n_exc.AdminRequired(reason=reason)
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return {self._resource_name:
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self._get_detailed_quotas(request, id)}
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class Quotasv2_detail(api_extensions.ExtensionDescriptor):
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"""Quota details management support."""
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# Ensure new extension is not loaded with old conf driver.
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extensions.register_custom_supported_check(
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ALIAS, lambda: QUOTA_DRIVER == DB_QUOTA_DRIVER,
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plugin_agnostic=True)
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@classmethod
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def get_name(cls):
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return "Quota details management support"
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@classmethod
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def get_alias(cls):
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return ALIAS
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@classmethod
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def get_description(cls):
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return 'Expose functions for quotas usage statistics per project'
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@classmethod
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def get_updated(cls):
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return "2017-02-10T10:00:00-00:00"
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@classmethod
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def get_resources(cls):
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"""Returns Extension Resources."""
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controller = resource.Resource(
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DetailQuotaSetsController(directory.get_plugin()),
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faults=faults.FAULT_MAP)
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return [extensions.ResourceExtension(
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RESOURCE_COLLECTION,
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controller,
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member_actions={'details': 'GET'},
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collection_actions={'tenant': 'GET'})]
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def get_extended_resources(self, version):
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return EXTENDED_ATTRIBUTES_2_0 if version == "2.0" else {}
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def get_required_extensions(self):
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return ["quotas"]
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