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#!/usr/bin/env python
# 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
# 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.
import hashlib
import sys
from neutron_lib import constants as n_const
from oslo_utils import encodeutils
from neutron.cmd.eventlet.plugins.ovs_neutron_agent import main as _main
from neutron.plugins.ml2.drivers.openvswitch.agent import ovs_neutron_agent
def get_tunnel_name_full(cls, network_type, local_ip, remote_ip):
network_type = network_type[:3]
# Remove length of network_type and two dashes
hashlen = (n_const.DEVICE_NAME_MAX_LEN - len(network_type) - 2) // 2
remote_tunnel_hash = cls.get_tunnel_hash(remote_ip, hashlen)
if not remote_tunnel_hash:
return None
remote_tunnel_hash = encodeutils.to_utf8(remote_tunnel_hash)
remote_ip_hash = hashlib.sha1(remote_tunnel_hash).hexdigest()[:hashlen]
local_tunnel_hash = cls.get_tunnel_hash(local_ip, hashlen)
local_tunnel_hash = encodeutils.to_utf8(local_tunnel_hash)
source_ip_hash = hashlib.sha1(local_tunnel_hash).hexdigest()[:hashlen]
return '%s-%s-%s' % (network_type, source_ip_hash, remote_ip_hash)
ovs_neutron_agent.OVSNeutronAgent.get_tunnel_name = get_tunnel_name_full
def main():
if __name__ == "__main__":