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# 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.schemas import limits
from nova.api.openstack.compute.views import limits as limits_views
from nova.api.openstack import wsgi
from nova.api import validation
from nova.policies import limits as limits_policies
from nova import quota
QUOTAS = quota.QUOTAS
# This is a list of limits which needs to filter out from the API response.
# This is due to the deprecation of network related proxy APIs, the related
# limit should be removed from the API also.
FILTERED_LIMITS_2_36 = ['floating_ips', 'security_groups',
'security_group_rules']
FILTERED_LIMITS_2_57 = list(FILTERED_LIMITS_2_36)
FILTERED_LIMITS_2_57.extend(['injected_files', 'injected_file_content_bytes'])
class LimitsController(wsgi.Controller):
"""Controller for accessing limits in the OpenStack API."""
@wsgi.Controller.api_version("2.1", MAX_PROXY_API_SUPPORT_VERSION)
@wsgi.expected_errors(())
@validation.query_schema(limits.limits_query_schema)
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)
@wsgi.expected_errors(())
@validation.query_schema(limits.limits_query_schema)
def index(self, req): # noqa
return self._index(req, FILTERED_LIMITS_2_36)
@wsgi.Controller.api_version( # noqa
MIN_WITHOUT_IMAGE_META_PROXY_API_VERSION, '2.56')
@wsgi.expected_errors(())
@validation.query_schema(limits.limits_query_schema)
def index(self, req): # noqa
return self._index(req, FILTERED_LIMITS_2_36, max_image_meta=False)
@wsgi.Controller.api_version('2.57') # noqa
@wsgi.expected_errors(())
@validation.query_schema(limits.limits_query_schema_275, '2.75')
@validation.query_schema(limits.limits_query_schema, '2.57', '2.74')
def index(self, req): # noqa
return self._index(req, FILTERED_LIMITS_2_57, max_image_meta=False)
def _index(self, req, filtered_limits=None, max_image_meta=True):
"""Return all global limit information."""
context = req.environ['nova.context']
context.can(limits_policies.BASE_POLICY_NAME, target={})
project_id = context.project_id
if 'tenant_id' in req.GET:
project_id = req.GET.get('tenant_id')
context.can(limits_policies.OTHER_PROJECT_LIMIT_POLICY_NAME)
quotas = QUOTAS.get_project_quotas(context, project_id,
usages=True)
builder = limits_views.ViewBuilder()
return builder.build(req, quotas, filtered_limits=filtered_limits,
max_image_meta=max_image_meta)
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