58 lines
1.9 KiB
Python
58 lines
1.9 KiB
Python
# Copyright (c) 2014 Rackspace, Inc.
|
|
#
|
|
# 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 poppy.common import errors
|
|
from poppy.openstack.common.gettextutils import _
|
|
|
|
|
|
class SchemaBase(object):
|
|
|
|
schema = {}
|
|
|
|
@classmethod
|
|
def get_schema(cls, resource_name, operation):
|
|
"""Returns the schema for an operation
|
|
|
|
:param resource_name: Operation for which resource need
|
|
to be validated.
|
|
:type operation: `six.text_type`
|
|
|
|
:param operation: Operation for which params need
|
|
to be validated.
|
|
:type operation: `six.text_type`
|
|
|
|
:returns: Operation's schema
|
|
:rtype: dict
|
|
|
|
:raises: `errors.InvalidResource` if the resource
|
|
does not exist and `errors.InvalidOperation` if the operation
|
|
does not exist
|
|
"""
|
|
try:
|
|
resource_schemas = cls.schema[resource_name]
|
|
except KeyError:
|
|
# TODO(tonytan4ever): gettext support
|
|
msg = _('{0} is not a valid resource name').format(resource_name)
|
|
raise errors.InvalidResourceName(msg)
|
|
|
|
try:
|
|
return resource_schemas[operation]
|
|
except KeyError:
|
|
# TODO(tonytan4ever): gettext support
|
|
msg = _('{0} is not a valid operation for resource: {1}').format(
|
|
operation,
|
|
resource_name)
|
|
raise errors.InvalidOperation(msg)
|