104 lines
3.4 KiB
Python
104 lines
3.4 KiB
Python
# Copyright 2012 OpenStack Foundation
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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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import webob
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from nova.api.openstack import extensions
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from nova.api.openstack import wsgi
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from nova.api.openstack import xmlutil
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import nova.context
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from nova import db
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from nova import exception
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from nova import quota
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QUOTAS = quota.QUOTAS
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authorize = extensions.extension_authorizer('compute', 'quota_classes')
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class QuotaClassTemplate(xmlutil.TemplateBuilder):
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def construct(self):
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root = xmlutil.TemplateElement('quota_class_set',
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selector='quota_class_set')
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root.set('id')
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for resource in QUOTAS.resources:
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elem = xmlutil.SubTemplateElement(root, resource)
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elem.text = resource
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return xmlutil.MasterTemplate(root, 1)
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class QuotaClassSetsController(object):
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def _format_quota_set(self, quota_class, quota_set):
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"""Convert the quota object to a result dict."""
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result = dict(id=str(quota_class))
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for resource in QUOTAS.resources:
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result[resource] = quota_set[resource]
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return dict(quota_class_set=result)
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@wsgi.serializers(xml=QuotaClassTemplate)
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def show(self, req, id):
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context = req.environ['nova.context']
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authorize(context)
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try:
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nova.context.authorize_quota_class_context(context, id)
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return self._format_quota_set(id,
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QUOTAS.get_class_quotas(context, id))
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except exception.NotAuthorized:
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raise webob.exc.HTTPForbidden()
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@wsgi.serializers(xml=QuotaClassTemplate)
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def update(self, req, id, body):
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context = req.environ['nova.context']
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authorize(context)
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quota_class = id
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for key in body['quota_class_set'].keys():
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if key in QUOTAS:
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value = int(body['quota_class_set'][key])
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try:
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db.quota_class_update(context, quota_class, key, value)
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except exception.QuotaClassNotFound:
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db.quota_class_create(context, quota_class, key, value)
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except exception.AdminRequired:
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raise webob.exc.HTTPForbidden()
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return {'quota_class_set': QUOTAS.get_class_quotas(context,
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quota_class)}
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class Quota_classes(extensions.ExtensionDescriptor):
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"""Quota classes management support."""
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name = "QuotaClasses"
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alias = "os-quota-class-sets"
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namespace = ("http://docs.openstack.org/compute/ext/"
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"quota-classes-sets/api/v1.1")
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updated = "2012-03-12T00:00:00+00:00"
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def get_resources(self):
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resources = []
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res = extensions.ResourceExtension('os-quota-class-sets',
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QuotaClassSetsController())
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resources.append(res)
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return resources
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