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OpenStack Study: mechanism_test.py**** CubicPower OpenStack Study ****
# Copyright (c) 2013 OpenStack Foundation # All Rights Reserved. # # 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 neutron.common import constants as const from neutron.extensions import portbindings from neutron.plugins.ml2 import driver_api as api
**** CubicPower OpenStack Study **** class TestMechanismDriver(api.MechanismDriver): """Test mechanism driver for testing mechanism driver api."""
**** CubicPower OpenStack Study **** def initialize(self): self.bound_ports = set()
**** CubicPower OpenStack Study **** def _check_network_context(self, context, original_expected): assert(isinstance(context, api.NetworkContext)) assert(isinstance(context.current, dict)) assert(context.current['id'] is not None) if original_expected: assert(isinstance(context.original, dict)) assert(context.current['id'] == context.original['id']) else: assert(not context.original) assert(context.network_segments)
**** CubicPower OpenStack Study **** def create_network_precommit(self, context): self._check_network_context(context, False)
**** CubicPower OpenStack Study **** def create_network_postcommit(self, context): self._check_network_context(context, False)
**** CubicPower OpenStack Study **** def update_network_precommit(self, context): self._check_network_context(context, True)
**** CubicPower OpenStack Study **** def update_network_postcommit(self, context): self._check_network_context(context, True)
**** CubicPower OpenStack Study **** def delete_network_precommit(self, context): self._check_network_context(context, False)
**** CubicPower OpenStack Study **** def delete_network_postcommit(self, context): self._check_network_context(context, False)
**** CubicPower OpenStack Study **** def _check_subnet_context(self, context, original_expected): assert(isinstance(context, api.SubnetContext)) assert(isinstance(context.current, dict)) assert(context.current['id'] is not None) if original_expected: assert(isinstance(context.original, dict)) assert(context.current['id'] == context.original['id']) else: assert(not context.original)
**** CubicPower OpenStack Study **** def create_subnet_precommit(self, context): self._check_subnet_context(context, False)
**** CubicPower OpenStack Study **** def create_subnet_postcommit(self, context): self._check_subnet_context(context, False)
**** CubicPower OpenStack Study **** def update_subnet_precommit(self, context): self._check_subnet_context(context, True)
**** CubicPower OpenStack Study **** def update_subnet_postcommit(self, context): self._check_subnet_context(context, True)
**** CubicPower OpenStack Study **** def delete_subnet_precommit(self, context): self._check_subnet_context(context, False)
**** CubicPower OpenStack Study **** def delete_subnet_postcommit(self, context): self._check_subnet_context(context, False)
**** CubicPower OpenStack Study **** def _check_port_context(self, context, original_expected): assert(isinstance(context, api.PortContext)) assert(isinstance(context.current, dict)) assert(context.current['id'] is not None) vif_type = context.current.get(portbindings.VIF_TYPE) assert(vif_type is not None) if vif_type in (portbindings.VIF_TYPE_UNBOUND, portbindings.VIF_TYPE_BINDING_FAILED): assert(context.bound_segment is None) assert(context.bound_driver is None) assert(context.current['id'] not in self.bound_ports) else: assert(isinstance(context.bound_segment, dict)) assert(context.bound_driver == 'test') assert(context.current['id'] in self.bound_ports) if original_expected: assert(isinstance(context.original, dict)) assert(context.current['id'] == context.original['id']) vif_type = context.original.get(portbindings.VIF_TYPE) assert(vif_type is not None) if vif_type in (portbindings.VIF_TYPE_UNBOUND, portbindings.VIF_TYPE_BINDING_FAILED): assert(context.original_bound_segment is None) assert(context.original_bound_driver is None) else: assert(isinstance(context.original_bound_segment, dict)) assert(context.original_bound_driver == 'test') else: assert(context.original is None) assert(context.original_bound_segment is None) assert(context.original_bound_driver is None) network_context = context.network assert(isinstance(network_context, api.NetworkContext)) self._check_network_context(network_context, False)
**** CubicPower OpenStack Study **** def create_port_precommit(self, context): self._check_port_context(context, False)
**** CubicPower OpenStack Study **** def create_port_postcommit(self, context): self._check_port_context(context, False)
**** CubicPower OpenStack Study **** def update_port_precommit(self, context): if (context.original_bound_driver == 'test' and context.bound_driver != 'test'): self.bound_ports.remove(context.original['id']) self._check_port_context(context, True)
**** CubicPower OpenStack Study **** def update_port_postcommit(self, context): self._check_port_context(context, True)
**** CubicPower OpenStack Study **** def delete_port_precommit(self, context): self._check_port_context(context, False)
**** CubicPower OpenStack Study **** def delete_port_postcommit(self, context): self._check_port_context(context, False)
**** CubicPower OpenStack Study **** def bind_port(self, context): # REVISIT(rkukura): The upcoming fix for bug 1276391 will # ensure the MDs see the unbinding of the port as a port # update prior to re-binding, at which point this should be # removed. self.bound_ports.discard(context.current['id']) # REVISIT(rkukura): Currently, bind_port() is called as part # of either a create or update transaction. The fix for bug # 1276391 will change it to be called outside any transaction, # so the context.original* will no longer be available. self._check_port_context(context, context.original is not None) host = context.current.get(portbindings.HOST_ID, None) segment = context.network.network_segments[0][api.ID] if host == "host-ovs-no_filter": context.set_binding(segment, portbindings.VIF_TYPE_OVS, {portbindings.CAP_PORT_FILTER: False}) self.bound_ports.add(context.current['id']) elif host == "host-bridge-filter": context.set_binding(segment, portbindings.VIF_TYPE_BRIDGE, {portbindings.CAP_PORT_FILTER: True}) self.bound_ports.add(context.current['id']) elif host == "host-ovs-filter-active": context.set_binding(segment, portbindings.VIF_TYPE_OVS, {portbindings.CAP_PORT_FILTER: True}, status=const.PORT_STATUS_ACTIVE) self.bound_ports.add(context.current['id'])
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