96 lines
3.0 KiB
Python
96 lines
3.0 KiB
Python
# 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 neutron_lib.api.definitions import subnet as subnet_def
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from neutron_lib.api import extensions
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from neutron_lib.api import validators
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from neutron_lib import constants
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from neutron_lib import exceptions
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import six
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import webob.exc
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from neutron._i18n import _
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# List for service plugins to register their own prefixes
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valid_prefixes = []
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class InvalidSubnetServiceType(exceptions.InvalidInput):
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message = _("Subnet service type %(service_type)s does not correspond "
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"to a valid device owner.")
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class InvalidInputSubnetServiceType(exceptions.InvalidInput):
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message = _("Subnet service type %(service_type)s is not a string.")
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def _validate_subnet_service_types(service_types, valid_values=None):
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if service_types:
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if not isinstance(service_types, list):
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raise webob.exc.HTTPBadRequest(
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_("Subnet service types must be a list."))
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prefixes = valid_prefixes
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# Include standard prefixes
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prefixes += list(constants.DEVICE_OWNER_PREFIXES)
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prefixes += constants.DEVICE_OWNER_COMPUTE_PREFIX
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for service_type in service_types:
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if not isinstance(service_type, six.text_type):
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raise InvalidInputSubnetServiceType(service_type=service_type)
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elif not service_type.startswith(tuple(prefixes)):
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raise InvalidSubnetServiceType(service_type=service_type)
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validators.add_validator('type:validate_subnet_service_types',
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_validate_subnet_service_types)
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EXTENDED_ATTRIBUTES_2_0 = {
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subnet_def.COLLECTION_NAME: {
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'service_types': {
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'allow_post': True,
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'allow_put': True,
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'default': constants.ATTR_NOT_SPECIFIED,
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'validate': {'type:validate_subnet_service_types': None},
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'is_visible': True,
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},
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},
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}
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class Subnet_service_types(extensions.ExtensionDescriptor):
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"""Extension class supporting subnet service types."""
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@classmethod
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def get_name(cls):
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return "Subnet service types"
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@classmethod
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def get_alias(cls):
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return "subnet-service-types"
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@classmethod
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def get_description(cls):
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return "Provides ability to set the subnet service_types field"
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@classmethod
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def get_updated(cls):
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return "2016-03-15T18:00:00-00:00"
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def get_extended_resources(self, version):
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if version == "2.0":
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return EXTENDED_ATTRIBUTES_2_0
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else:
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return {}
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