97 lines
3.3 KiB
Python
97 lines
3.3 KiB
Python
# Copyright (c) 2015 Red Hat, Inc.
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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 debtcollector import moves
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from oslo_config import cfg
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from ovsdbapp.backend.ovs_idl import command
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from ovsdbapp.backend.ovs_idl import connection
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from ovsdbapp.backend.ovs_idl import idlutils
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from ovsdbapp.backend.ovs_idl import transaction
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from ovsdbapp.backend.ovs_idl import vlog
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from ovsdbapp.schema.open_vswitch import impl_idl
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from neutron.agent.ovsdb.native import connection as n_connection
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from neutron.common import utils
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from neutron.conf.agent import ovs_conf
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from neutron.plugins.ml2.drivers.openvswitch.agent.common import constants
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NeutronOVSDBTransaction = moves.moved_class(
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impl_idl.OvsVsctlTransaction,
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'NeutronOVSDBTransaction',
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__name__)
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VswitchdInterfaceAddException = moves.moved_class(
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impl_idl.VswitchdInterfaceAddException,
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'VswitchdInterfaceAddException',
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__name__)
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Transaction = moves.moved_class(transaction.Transaction,
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'Transaction', __name__)
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ovs_conf.register_ovs_agent_opts()
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_connection = None
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_idl_monitor = None
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def api_factory():
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global _connection
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global _idl_monitor
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if _connection is None:
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_idl_monitor = n_connection.OvsIdlMonitor()
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_connection = connection.Connection(
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idl=_idl_monitor,
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timeout=cfg.CONF.OVS.ovsdb_timeout)
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return NeutronOvsdbIdl(_connection, _idl_monitor)
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class OvsCleanup(command.BaseCommand):
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def __init__(self, api, bridge, all_ports=False):
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super(OvsCleanup, self).__init__(api)
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self.bridge = bridge
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self.all_ports = all_ports
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def run_idl(self, txn):
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br = idlutils.row_by_value(self.api.idl, 'Bridge', 'name', self.bridge)
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for port in br.ports:
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if not any(self.is_deletable_port(iface)
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for iface in port.interfaces):
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continue
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br.delvalue('ports', port)
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for iface in port.interfaces:
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iface.delete()
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port.delete()
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def is_deletable_port(self, port):
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# Deletable defined as "looks like vif port and not set to skip delete"
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if self.all_ports:
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return True
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if constants.SKIP_CLEANUP in port.external_ids:
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return False
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if not all(field in port.external_ids
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for field in ('iface-id', 'attached-mac')):
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return False
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return True
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@utils.SingletonDecorator
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class NeutronOvsdbIdl(impl_idl.OvsdbIdl):
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def __init__(self, connection, idl_monitor):
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max_level = None if cfg.CONF.OVS.ovsdb_debug else vlog.INFO
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vlog.use_python_logger(max_level=max_level)
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self.idl_monitor = idl_monitor
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super().__init__(connection)
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def ovs_cleanup(self, bridges, all_ports=False):
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return OvsCleanup(self, bridges, all_ports)
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