nova/nova/api/openstack/compute/limits.py

83 lines
3.0 KiB
Python

# Copyright 2011 OpenStack Foundation
# 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 nova.api.openstack.api_version_request \
import MAX_IMAGE_META_PROXY_API_VERSION
from nova.api.openstack.api_version_request \
import MAX_PROXY_API_SUPPORT_VERSION
from nova.api.openstack.api_version_request \
import MIN_WITHOUT_IMAGE_META_PROXY_API_VERSION
from nova.api.openstack.api_version_request \
import MIN_WITHOUT_PROXY_API_SUPPORT_VERSION
from nova.api.openstack.compute.views import limits as limits_views
from nova.api.openstack import extensions
from nova.api.openstack import wsgi
from nova.policies import limits as limits_policies
from nova import quota
QUOTAS = quota.QUOTAS
ALIAS = 'limits'
class LimitsController(wsgi.Controller):
"""Controller for accessing limits in the OpenStack API."""
@wsgi.Controller.api_version("2.1", MAX_PROXY_API_SUPPORT_VERSION)
@extensions.expected_errors(())
def index(self, req):
return self._index(req)
@wsgi.Controller.api_version(MIN_WITHOUT_PROXY_API_SUPPORT_VERSION, # noqa
MAX_IMAGE_META_PROXY_API_VERSION) # noqa
@extensions.expected_errors(())
def index(self, req):
return self._index(req, filter_result=True)
@wsgi.Controller.api_version( # noqa
MIN_WITHOUT_IMAGE_META_PROXY_API_VERSION) # noqa
@extensions.expected_errors(())
def index(self, req):
return self._index(req, filter_result=True, max_image_meta=False)
def _index(self, req, filter_result=False, max_image_meta=True):
"""Return all global limit information."""
context = req.environ['nova.context']
context.can(limits_policies.BASE_POLICY_NAME)
project_id = req.params.get('tenant_id', context.project_id)
quotas = QUOTAS.get_project_quotas(context, project_id,
usages=False)
abs_limits = {k: v['limit'] for k, v in quotas.items()}
builder = limits_views.ViewBuilder()
return builder.build(abs_limits, filter_result=filter_result,
max_image_meta=max_image_meta)
class Limits(extensions.V21APIExtensionBase):
"""Limits support."""
name = "Limits"
alias = ALIAS
version = 1
def get_resources(self):
resource = [extensions.ResourceExtension(ALIAS,
LimitsController())]
return resource
def get_controller_extensions(self):
return []