42 lines
1.6 KiB
Python
42 lines
1.6 KiB
Python
# All Rights Reserved.
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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 neutron_lib.plugins import utils as plugin_utils
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from neutron._i18n import _
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from neutron.services.trunk import constants as trunk_consts
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# Base map of segmentation types supported with their respective validator
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# functions. In multi-driver deployments all drivers must support the same
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# set of segmentation types consistently. Drivers can add their own type
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# and respective validator, however this is a configuration that may be
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# supported only in single-driver deployments.
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_supported = {
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trunk_consts.VLAN: plugin_utils.is_valid_vlan_tag,
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}
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def get_validator(segmentation_type):
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"""Get validator for the segmentation type or KeyError if not found."""
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return _supported[segmentation_type]
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def add_validator(segmentation_type, validator_function):
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"""Introduce new entry to the map of supported segmentation types."""
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if segmentation_type in _supported:
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msg = _("Cannot redefine existing %s "
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"segmentation type") % segmentation_type
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raise KeyError(msg)
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_supported[segmentation_type] = validator_function
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