79 lines
2.5 KiB
Python
79 lines
2.5 KiB
Python
# Copyright (c) 2012 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 oslo_config import cfg
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from oslo_log import log as logging
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from neutron.agent.common import ovs_lib
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from neutron.common import config
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from neutron.conf.agent import cmd
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from neutron.conf.agent import common as agent_config
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from neutron.conf.agent.l3 import config as l3_config
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from neutron.conf import service as service_config
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LOG = logging.getLogger(__name__)
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# Default ovsdb_timeout value for this script.
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# It allows to clean bridges with even thousands of ports.
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CLEANUP_OVSDB_TIMEOUT = 600
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def setup_conf():
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"""Setup the cfg for the clean up utility.
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Use separate setup_conf for the utility because there are many options
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from the main config that do not apply during clean-up.
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"""
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conf = cfg.CONF
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cmd.register_cmd_opts(cmd.ovs_opts, conf)
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l3_config.register_l3_agent_config_opts(l3_config.OPTS, conf)
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agent_config.register_interface_driver_opts_helper(conf)
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agent_config.register_interface_opts()
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service_config.register_service_opts(service_config.RPC_EXTRA_OPTS, conf)
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conf.set_default("ovsdb_timeout", CLEANUP_OVSDB_TIMEOUT, "OVS")
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return conf
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def main():
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"""Main method for cleaning up OVS bridges.
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The utility cleans up the integration bridges used by Neutron.
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"""
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conf = setup_conf()
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conf()
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config.setup_logging()
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do_main(conf)
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def do_main(conf):
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configuration_bridges = set([conf.ovs_integration_bridge])
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ovs = ovs_lib.BaseOVS()
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ovs_bridges = set(ovs.get_bridges())
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available_configuration_bridges = configuration_bridges & ovs_bridges
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if conf.ovs_all_ports:
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bridges = ovs_bridges
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else:
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bridges = available_configuration_bridges
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for bridge in bridges:
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LOG.info("Cleaning bridge: %s", bridge)
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ovs.ovsdb.ovs_cleanup(bridge,
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conf.ovs_all_ports).execute(check_error=True)
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LOG.info("OVS cleanup completed successfully")
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