169 lines
6.8 KiB
Python
169 lines
6.8 KiB
Python
# 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.extensions import portbindings
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from neutron.plugins.ml2 import driver_api as api
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class TestMechanismDriver(api.MechanismDriver):
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"""Test mechanism driver for testing mechanism driver api."""
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def initialize(self):
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pass
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def _check_network_context(self, context, original_expected):
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assert(isinstance(context, api.NetworkContext))
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assert(isinstance(context.current, dict))
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assert(context.current['id'] is not None)
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if original_expected:
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assert(isinstance(context.original, dict))
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assert(context.current['id'] == context.original['id'])
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else:
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assert(not context.original)
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assert(context.network_segments)
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def create_network_precommit(self, context):
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self._check_network_context(context, False)
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def create_network_postcommit(self, context):
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self._check_network_context(context, False)
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def update_network_precommit(self, context):
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self._check_network_context(context, True)
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def update_network_postcommit(self, context):
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self._check_network_context(context, True)
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def delete_network_precommit(self, context):
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self._check_network_context(context, False)
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def delete_network_postcommit(self, context):
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self._check_network_context(context, False)
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def _check_subnet_context(self, context, original_expected):
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assert(isinstance(context, api.SubnetContext))
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assert(isinstance(context.current, dict))
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assert(context.current['id'] is not None)
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if original_expected:
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assert(isinstance(context.original, dict))
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assert(context.current['id'] == context.original['id'])
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else:
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assert(not context.original)
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def create_subnet_precommit(self, context):
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self._check_subnet_context(context, False)
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def create_subnet_postcommit(self, context):
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self._check_subnet_context(context, False)
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def update_subnet_precommit(self, context):
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self._check_subnet_context(context, True)
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def update_subnet_postcommit(self, context):
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self._check_subnet_context(context, True)
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def delete_subnet_precommit(self, context):
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self._check_subnet_context(context, False)
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def delete_subnet_postcommit(self, context):
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self._check_subnet_context(context, False)
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def _check_port_context(self, context, original_expected):
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assert(isinstance(context, api.PortContext))
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assert(isinstance(context.current, dict))
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assert(context.current['id'] is not None)
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vif_type = context.current.get(portbindings.VIF_TYPE)
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assert(vif_type is not None)
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if vif_type in (portbindings.VIF_TYPE_UNBOUND,
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portbindings.VIF_TYPE_BINDING_FAILED):
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assert(context.bound_segment is None)
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assert(context.bound_driver is None)
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else:
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assert(isinstance(context.bound_segment, dict))
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assert(context.bound_driver == 'test')
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if original_expected:
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assert(isinstance(context.original, dict))
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assert(context.current['id'] == context.original['id'])
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vif_type = context.original.get(portbindings.VIF_TYPE)
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assert(vif_type is not None)
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if vif_type in (portbindings.VIF_TYPE_UNBOUND,
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portbindings.VIF_TYPE_BINDING_FAILED):
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assert(context.original_bound_segment is None)
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assert(context.original_bound_driver is None)
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else:
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assert(isinstance(context.original_bound_segment, dict))
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assert(context.original_bound_driver == 'test')
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else:
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assert(context.original is None)
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assert(context.original_bound_segment is None)
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assert(context.original_bound_driver is None)
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network_context = context.network
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assert(isinstance(network_context, api.NetworkContext))
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self._check_network_context(network_context, False)
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def create_port_precommit(self, context):
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self._check_port_context(context, False)
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def create_port_postcommit(self, context):
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self._check_port_context(context, False)
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def update_port_precommit(self, context):
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self._check_port_context(context, True)
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def update_port_postcommit(self, context):
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self._check_port_context(context, True)
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def delete_port_precommit(self, context):
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self._check_port_context(context, False)
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def delete_port_postcommit(self, context):
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self._check_port_context(context, False)
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def bind_port(self, context):
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# REVISIT(rkukura): Currently, bind_port() is called as part
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# of either a create or update transaction. The fix for bug
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# 1276391 will change it to be called outside any transaction,
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# so the context.original* will no longer be available.
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self._check_port_context(context, context.original is not None)
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host = context.current.get(portbindings.HOST_ID, None)
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segment = context.network.network_segments[0][api.ID]
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if host == "host-ovs-no_filter":
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context.set_binding(segment, portbindings.VIF_TYPE_OVS,
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{portbindings.CAP_PORT_FILTER: False})
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elif host == "host-bridge-filter":
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context.set_binding(segment, portbindings.VIF_TYPE_BRIDGE,
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{portbindings.CAP_PORT_FILTER: True})
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def validate_port_binding(self, context):
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# REVISIT(rkukura): Currently, validate_port_binding() is
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# called as part of either a create or update transaction. The
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# fix for bug 1276391 will change it to be called outside any
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# transaction (or eliminate it altogether), so the
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# context.original* will no longer be available.
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self._check_port_context(context, context.original is not None)
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return True
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def unbind_port(self, context):
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# REVISIT(rkukura): Currently, unbind_port() is called as part
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# of either an update or delete transaction. The fix for bug
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# 1276391 will change it to be called outside any transaction
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# (or eliminate it altogether), so the context.original* will
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# no longer be available.
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self._check_port_context(context, context.original is not None)
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