nova/nova/api/openstack/flavors.py

58 lines
2.1 KiB
Python

# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2010 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.
from webob import exc
from nova.api.openstack import faults
from nova.api.openstack import common
from nova.compute import instance_types
from nova import wsgi
import nova.api.openstack
class Controller(wsgi.Controller):
"""Flavor controller for the OpenStack API."""
_serialization_metadata = {
'application/xml': {
"attributes": {
"flavor": ["id", "name", "ram", "disk"]}}}
def index(self, req):
"""Return all flavors in brief."""
return dict(flavors=[dict(id=flavor['id'], name=flavor['name'])
for flavor in self.detail(req)['flavors']])
def detail(self, req):
"""Return all flavors in detail."""
items = [self.show(req, id)['flavor'] for id in self._all_ids()]
items = common.limited(items, req)
return dict(flavors=items)
def show(self, req, id):
"""Return data about the given flavor id."""
for name, val in instance_types.INSTANCE_TYPES.iteritems():
if val['flavorid'] == int(id):
item = dict(ram=val['memory_mb'], disk=val['local_gb'],
id=val['flavorid'], name=name)
return dict(flavor=item)
raise faults.Fault(exc.HTTPNotFound())
def _all_ids(self):
"""Return the list of all flavorids."""
return [i['flavorid'] for i in instance_types.INSTANCE_TYPES.values()]