manila/manila/api/contrib/used_limits.py

65 lines
2.2 KiB
Python

# Copyright 2014 Mirantis Inc.
#
# 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.
import six
from manila.api import extensions
from manila.api.openstack import wsgi
from manila import quota
QUOTAS = quota.QUOTAS
authorize = extensions.extension_authorizer('limits', 'used_limits')
class UsedLimitsController(wsgi.Controller):
@wsgi.extends
def index(self, req, resp_obj):
context = req.environ['manila.context']
authorize(context)
quotas = QUOTAS.get_project_quotas(context,
context.project_id,
usages=True)
quota_map = {
'totalSharesUsed': 'shares',
'totalShareSnapshotsUsed': 'snapshots',
'totalShareNetworksUsed': 'share_networks',
'totalShareGigabytesUsed': 'gigabytes',
'totalSnapshotGigabytesUsed': 'snapshot_gigabytes',
}
used_limits = {}
for display_name, quota_name in six.iteritems(quota_map):
if quota_name in quotas:
used_limits[display_name] = quotas[quota_name]['in_use']
resp_obj.obj['limits']['absolute'].update(used_limits)
class Used_limits(extensions.ExtensionDescriptor):
"""Provide data on limited resources that are being used."""
name = "UsedLimits"
alias = 'os-used-limits'
namespace = "http://docs.openstack.org/share/ext/used-limits/api/v1.0"
updated = "2014-03-27T00:00:00+00:00"
def get_controller_extensions(self):
controller = UsedLimitsController()
extension = extensions.ControllerExtension(self, 'limits', controller)
return [extension]