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# Copyright 2010-2012 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 trove.common import exception
from trove.common import policy
from trove.common import wsgi
from trove.flavor import models
from trove.flavor import views
class FlavorController(wsgi.Controller):
"""Controller for flavor functionality."""
def show(self, req, tenant_id, id):
"""Return a single flavor."""
context = req.environ[wsgi.CONTEXT_KEY]
self._validate_flavor_id(id)
flavor = models.Flavor(context=context, flavor_id=id)
# Flavors do not bind to a particular tenant.
# Only authorize the current tenant.
policy.authorize_on_tenant(context, 'flavor:show')
# Pass in the request to build accurate links.
return wsgi.Result(views.FlavorView(flavor, req).data(), 200)
def index(self, req, tenant_id):
"""Return all flavors."""
context = req.environ[wsgi.CONTEXT_KEY]
policy.authorize_on_tenant(context, 'flavor:index')
flavors = models.Flavors(context=context)
return wsgi.Result(views.FlavorsView(flavors, req).data(), 200)
def _validate_flavor_id(self, id):
if isinstance(id, str):
return
try:
if int(id) != float(id):
raise exception.NotFound(uuid=id)
except ValueError:
raise exception.NotFound(uuid=id)
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