72 lines
2.7 KiB
Python
72 lines
2.7 KiB
Python
# Copyright 2012 OpenStack Foundation
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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 cinder.api import extensions
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from cinder.api import microversions as mv
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from cinder.api.openstack import wsgi
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from cinder.policies import limits as policy
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from cinder import quota
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QUOTAS = quota.QUOTAS
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class UsedLimitsController(wsgi.Controller):
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@wsgi.extends
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def index(self, req, resp_obj):
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context = req.environ['cinder.context']
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if context.authorize(
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policy.EXTEND_LIMIT_ATTRIBUTE_POLICY, fatal=False):
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params = req.params.copy()
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req_version = req.api_version_request
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# TODO(wangxiyuan): Support "tenant_id" here to keep the backwards
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# compatibility. Remove it once we drop all support for "tenant".
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if (req_version.matches(None, mv.GROUP_REPLICATION) or
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not context.is_admin):
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params.pop('project_id', None)
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params.pop('tenant_id', None)
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project_id = params.get(
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'project_id', params.get('tenant_id', context.project_id))
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quotas = QUOTAS.get_project_quotas(context, project_id,
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usages=True)
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quota_map = {
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'totalVolumesUsed': 'volumes',
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'totalGigabytesUsed': 'gigabytes',
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'totalSnapshotsUsed': 'snapshots',
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'totalBackupsUsed': 'backups',
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'totalBackupGigabytesUsed': 'backup_gigabytes'
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}
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used_limits = {}
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for display_name, single_quota in quota_map.items():
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if single_quota in quotas:
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used_limits[display_name] = quotas[single_quota]['in_use']
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resp_obj.obj['limits']['absolute'].update(used_limits)
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class Used_limits(extensions.ExtensionDescriptor):
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"""Provide data on limited resources that are being used."""
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name = "UsedLimits"
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alias = 'os-used-limits'
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updated = "2013-10-03T00:00:00+00:00"
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def get_controller_extensions(self):
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controller = UsedLimitsController()
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extension = extensions.ControllerExtension(self, 'limits', controller)
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return [extension]
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