RETIRED, Tricircle is to provide networking automation across Neutron.
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# Copyright 2017 Huawei Technologies Co., Ltd.
# 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_lib.plugins.ml2 import api
from oslo_config import cfg
from oslo_log import log
from neutron.plugins.ml2.drivers import type_vxlan
from neutron_lib import constants as q_lib_constants
from neutron_lib import exceptions as n_exc
from tricircle.common import constants
import tricircle.common.context as t_context
import tricircle.db.api as db_api
LOG = log.getLogger(__name__)
class VxLANTypeDriver(type_vxlan.VxlanTypeDriver):
def __init__(self):
super(VxLANTypeDriver, self).__init__()
def get_type(self):
return constants.NT_VxLAN
def initialize(self):
try:
self._initialize(cfg.CONF.tricircle.vni_ranges)
except n_exc.NetworkTunnelRangeError:
LOG.exception("Failed to parse vni_ranges. "
"Service terminated!")
raise SystemExit()
def reserve_provider_segment(self, context, segment, filters=None):
res = super(VxLANTypeDriver,
self).reserve_provider_segment(context, segment, filters)
res[api.NETWORK_TYPE] = constants.NT_VxLAN
return res
def allocate_tenant_segment(self, context, filters=None):
res = super(VxLANTypeDriver,
self).allocate_tenant_segment(context, filters)
res[api.NETWORK_TYPE] = constants.NT_VxLAN
return res
def get_mtu(self, physical_network=None):
pass
def get_endpoint_by_host(self, host):
LOG.debug("get_endpoint_by_host() called for host %s", host)
host_endpoint = {'ip_address': None}
context = t_context.get_db_context()
agents = db_api.get_agent_by_host_type(
context, host, q_lib_constants.AGENT_TYPE_OVS)
if agents:
host_endpoint['ip_address'] = agents['tunnel_ip']
return host_endpoint