126 lines
5.1 KiB
Python
126 lines
5.1 KiB
Python
# Copyright (c) 2013-2014 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 networking_odl.common import constants as odl_const
|
|
from networking_odl.ml2 import mech_driver
|
|
from oslo_config import cfg
|
|
|
|
from neutron.common import constants as n_const
|
|
from neutron.extensions import portbindings
|
|
from neutron.openstack.common import log
|
|
from neutron.plugins.common import constants
|
|
from neutron.plugins.ml2 import driver_api as api
|
|
|
|
LOG = log.getLogger(__name__)
|
|
|
|
odl_opts = [
|
|
cfg.StrOpt('url',
|
|
help=_("HTTP URL of OpenDaylight REST interface.")),
|
|
cfg.StrOpt('username',
|
|
help=_("HTTP username for authentication")),
|
|
cfg.StrOpt('password', secret=True,
|
|
help=_("HTTP password for authentication")),
|
|
cfg.IntOpt('timeout', default=10,
|
|
help=_("HTTP timeout in seconds.")),
|
|
cfg.IntOpt('session_timeout', default=30,
|
|
help=_("Tomcat session timeout in minutes.")),
|
|
]
|
|
|
|
cfg.CONF.register_opts(odl_opts, "ml2_odl")
|
|
|
|
|
|
class OpenDaylightMechanismDriver(api.MechanismDriver):
|
|
|
|
"""Mechanism Driver for OpenDaylight.
|
|
|
|
This driver was a port from the NCS MechanismDriver. The API
|
|
exposed by ODL is slightly different from the API exposed by NCS,
|
|
but the general concepts are the same.
|
|
"""
|
|
|
|
def initialize(self):
|
|
self.url = cfg.CONF.ml2_odl.url
|
|
self.timeout = cfg.CONF.ml2_odl.timeout
|
|
self.username = cfg.CONF.ml2_odl.username
|
|
self.password = cfg.CONF.ml2_odl.password
|
|
required_opts = ('url', 'username', 'password')
|
|
for opt in required_opts:
|
|
if not getattr(self, opt):
|
|
raise cfg.RequiredOptError(opt, 'ml2_odl')
|
|
self.vif_type = portbindings.VIF_TYPE_OVS
|
|
self.vif_details = {portbindings.CAP_PORT_FILTER: True}
|
|
self.odl_drv = mech_driver.OpenDaylightDriver()
|
|
|
|
# Postcommit hooks are used to trigger synchronization.
|
|
|
|
def create_network_postcommit(self, context):
|
|
self.odl_drv.synchronize('create', odl_const.ODL_NETWORKS, context)
|
|
|
|
def update_network_postcommit(self, context):
|
|
self.odl_drv.synchronize('update', odl_const.ODL_NETWORKS, context)
|
|
|
|
def delete_network_postcommit(self, context):
|
|
self.odl_drv.synchronize('delete', odl_const.ODL_NETWORKS, context)
|
|
|
|
def create_subnet_postcommit(self, context):
|
|
self.odl_drv.synchronize('create', odl_const.ODL_SUBNETS, context)
|
|
|
|
def update_subnet_postcommit(self, context):
|
|
self.odl_drv.synchronize('update', odl_const.ODL_SUBNETS, context)
|
|
|
|
def delete_subnet_postcommit(self, context):
|
|
self.odl_drv.synchronize('delete', odl_const.ODL_SUBNETS, context)
|
|
|
|
def create_port_postcommit(self, context):
|
|
self.odl_drv.synchronize('create', odl_const.ODL_PORTS, context)
|
|
|
|
def update_port_postcommit(self, context):
|
|
self.odl_drv.synchronize('update', odl_const.ODL_PORTS, context)
|
|
|
|
def delete_port_postcommit(self, context):
|
|
self.odl_drv.synchronize('delete', odl_const.ODL_PORTS, context)
|
|
|
|
def bind_port(self, context):
|
|
LOG.debug("Attempting to bind port %(port)s on "
|
|
"network %(network)s",
|
|
{'port': context.current['id'],
|
|
'network': context.network.current['id']})
|
|
for segment in context.segments_to_bind:
|
|
if self.check_segment(segment):
|
|
context.set_binding(segment[api.ID],
|
|
self.vif_type,
|
|
self.vif_details,
|
|
status=n_const.PORT_STATUS_ACTIVE)
|
|
LOG.debug("Bound using segment: %s", segment)
|
|
return
|
|
else:
|
|
LOG.debug("Refusing to bind port for segment ID %(id)s, "
|
|
"segment %(seg)s, phys net %(physnet)s, and "
|
|
"network type %(nettype)s",
|
|
{'id': segment[api.ID],
|
|
'seg': segment[api.SEGMENTATION_ID],
|
|
'physnet': segment[api.PHYSICAL_NETWORK],
|
|
'nettype': segment[api.NETWORK_TYPE]})
|
|
|
|
def check_segment(self, segment):
|
|
"""Verify a segment is valid for the OpenDaylight MechanismDriver.
|
|
|
|
Verify the requested segment is supported by ODL and return True or
|
|
False to indicate this to callers.
|
|
"""
|
|
network_type = segment[api.NETWORK_TYPE]
|
|
return network_type in [constants.TYPE_LOCAL, constants.TYPE_GRE,
|
|
constants.TYPE_VXLAN, constants.TYPE_VLAN]
|