70 lines
2.5 KiB
Python
70 lines
2.5 KiB
Python
# Copyright 2013 IBM Corp.
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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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from webob import exc
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from nova.api.openstack import extensions
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from nova import exception
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from nova.i18n import _
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from nova.openstack.common import strutils
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from nova import utils
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ALIAS = "os-multiple-create"
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MIN_ATTRIBUTE_NAME = "%s:min_count" % ALIAS
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MAX_ATTRIBUTE_NAME = "%s:max_count" % ALIAS
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RRID_ATTRIBUTE_NAME = "%s:return_reservation_id" % ALIAS
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class MultipleCreate(extensions.V3APIExtensionBase):
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"""Allow multiple create in the Create Server v3 API."""
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name = "MultipleCreate"
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alias = ALIAS
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version = 1
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def get_resources(self):
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return []
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def get_controller_extensions(self):
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return []
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# use nova.api.extensions.server.extensions entry point to modify
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# server create kwargs
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def server_create(self, server_dict, create_kwargs):
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# min_count and max_count are optional. If they exist, they may come
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# in as strings. Verify that they are valid integers and > 0.
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# Also, we want to default 'min_count' to 1, and default
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# 'max_count' to be 'min_count'.
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min_count = server_dict.get(MIN_ATTRIBUTE_NAME, 1)
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max_count = server_dict.get(MAX_ATTRIBUTE_NAME, min_count)
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return_id = server_dict.get(RRID_ATTRIBUTE_NAME, False)
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try:
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min_count = utils.validate_integer(min_count,
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"min_count", min_value=1)
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max_count = utils.validate_integer(max_count,
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"max_count", min_value=1)
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return_id = strutils.bool_from_string(return_id, strict=True)
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except exception.InvalidInput as e:
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raise exc.HTTPBadRequest(explanation=e.format_message())
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if min_count > max_count:
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msg = _('min_count must be <= max_count')
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raise exc.HTTPBadRequest(explanation=msg)
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create_kwargs['min_count'] = min_count
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create_kwargs['max_count'] = max_count
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create_kwargs['return_reservation_id'] = return_id
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