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67 lines
2.2 KiB
67 lines
2.2 KiB
# Copyright (c) 2013 OpenStack Foundation |
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# 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 import constants as p_const |
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from neutron_lib import exceptions as exc |
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from neutron_lib.plugins.ml2 import api |
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from oslo_log import log |
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from neutron._i18n import _ |
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LOG = log.getLogger(__name__) |
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class LocalTypeDriver(api.ML2TypeDriver): |
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"""Manage state for local networks with ML2. |
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The LocalTypeDriver implements the 'local' network_type. Local |
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network segments provide connectivity between VMs and other |
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devices running on the same node, provided that a common local |
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network bridging technology is available to those devices. Local |
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network segments do not provide any connectivity between nodes. |
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""" |
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def __init__(self): |
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LOG.info("ML2 LocalTypeDriver initialization complete") |
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def get_type(self): |
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return p_const.TYPE_LOCAL |
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def initialize(self): |
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pass |
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def is_partial_segment(self, segment): |
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return False |
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def validate_provider_segment(self, segment): |
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for key, value in segment.items(): |
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if value and key != api.NETWORK_TYPE: |
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msg = _("%s prohibited for local provider network") % key |
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raise exc.InvalidInput(error_message=msg) |
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def reserve_provider_segment(self, context, segment): |
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# No resources to reserve |
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return segment |
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def allocate_tenant_segment(self, context): |
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# No resources to allocate |
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return {api.NETWORK_TYPE: p_const.TYPE_LOCAL} |
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def release_segment(self, context, segment): |
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# No resources to release |
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pass |
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def get_mtu(self, physical_network=None): |
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pass
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