nova/nova/api/openstack/compute/multiple_create.py

65 lines
2.4 KiB
Python

# Copyright 2013 IBM Corp.
#
# 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.compute.schemas import multiple_create as \
schema_multiple_create
from nova.api.openstack import extensions
from nova.i18n import _
ALIAS = "os-multiple-create"
MIN_ATTRIBUTE_NAME = "min_count"
MAX_ATTRIBUTE_NAME = "max_count"
RRID_ATTRIBUTE_NAME = "return_reservation_id"
class MultipleCreate(extensions.V21APIExtensionBase):
"""Allow multiple create in the Create Server v2.1 API."""
name = "MultipleCreate"
alias = ALIAS
version = 1
def get_resources(self):
return []
def get_controller_extensions(self):
return []
# use nova.api.extensions.server.extensions entry point to modify
# server create kwargs
# NOTE(gmann): This function is not supposed to use 'body_deprecated_param'
# parameter as this is placed to handle scheduler_hint extension for V2.1.
def server_create(self, server_dict, create_kwargs, body_deprecated_param):
# min_count and max_count are optional. If they exist, they may come
# in as strings. Verify that they are valid integers and > 0.
# Also, we want to default 'min_count' to 1, and default
# 'max_count' to be 'min_count'.
min_count = int(server_dict.get(MIN_ATTRIBUTE_NAME, 1))
max_count = int(server_dict.get(MAX_ATTRIBUTE_NAME, min_count))
return_id = server_dict.get(RRID_ATTRIBUTE_NAME, False)
if min_count > max_count:
msg = _('min_count must be <= max_count')
raise exc.HTTPBadRequest(explanation=msg)
create_kwargs['min_count'] = min_count
create_kwargs['max_count'] = max_count
create_kwargs['return_reservation_id'] = return_id
def get_server_create_schema(self, version):
return schema_multiple_create.server_create