manila/manila/api/contrib/quota_classes.py

82 lines
2.7 KiB
Python

# Copyright 2012 OpenStack LLC.
# 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.
import webob
from manila.api import extensions
from manila import db
from manila import exception
from manila import quota
QUOTAS = quota.QUOTAS
authorize = extensions.extension_authorizer('share', 'quota_classes')
class QuotaClassSetsController(object):
def _format_quota_set(self, quota_class, quota_set):
"""Convert the quota object to a result dict."""
result = dict(id=str(quota_class))
for resource in QUOTAS.resources:
result[resource] = quota_set[resource]
return dict(quota_class_set=result)
def show(self, req, id):
context = req.environ['manila.context']
authorize(context)
try:
db.sqlalchemy.api.authorize_quota_class_context(context, id)
except exception.NotAuthorized:
raise webob.exc.HTTPForbidden()
return self._format_quota_set(id,
QUOTAS.get_class_quotas(context, id))
def update(self, req, id, body):
context = req.environ['manila.context']
authorize(context)
quota_class = id
for key in body['quota_class_set'].keys():
if key in QUOTAS:
value = int(body['quota_class_set'][key])
try:
db.quota_class_update(context, quota_class, key, value)
except exception.QuotaClassNotFound:
db.quota_class_create(context, quota_class, key, value)
except exception.AdminRequired:
raise webob.exc.HTTPForbidden()
return {'quota_class_set': QUOTAS.get_class_quotas(context,
quota_class)}
class Quota_classes(extensions.ExtensionDescriptor):
"""Quota classes management support."""
name = "QuotaClasses"
alias = "os-quota-class-sets"
updated = "2012-03-12T00:00:00+00:00"
def get_resources(self):
resources = []
res = extensions.ResourceExtension('os-quota-class-sets',
QuotaClassSetsController())
resources.append(res)
return resources