105 lines
4.4 KiB
Python
105 lines
4.4 KiB
Python
# Copyright 2014 Alcatel-Lucent USA 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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import netaddr
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from oslo.config import cfg
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from neutron.common import constants as n_consts
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from neutron.extensions import portbindings
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from neutron.openstack.common.gettextutils import _LE
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from neutron.openstack.common import log
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from neutron.plugins.common import constants
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from neutron.plugins.ml2 import driver_api as api
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from neutron.plugins.nuage.common import config
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from neutron.plugins.nuage.common import constants as nuage_const
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from neutron.plugins.nuage import plugin
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LOG = log.getLogger(__name__)
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class NuageMechanismDriver(plugin.NuagePlugin,
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api.MechanismDriver):
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def initialize(self):
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LOG.debug('Initializing driver')
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config.nuage_register_cfg_opts()
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self.nuageclient_init()
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self.vif_type = portbindings.VIF_TYPE_OVS
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self.vif_details = {portbindings.CAP_PORT_FILTER: False}
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self.default_np_id = self.nuageclient.get_net_partition_id_by_name(
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cfg.CONF.RESTPROXY.default_net_partition_name)
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LOG.debug('Initializing complete')
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def create_subnet_postcommit(self, context):
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subnet = context.current
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net = netaddr.IPNetwork(subnet['cidr'])
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params = {
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'netpart_id': self.default_np_id,
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'tenant_id': subnet['tenant_id'],
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'net': net
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}
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self.nuageclient.create_subnet(subnet, params)
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def delete_subnet_postcommit(self, context):
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subnet = context.current
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self.nuageclient.delete_subnet(subnet['id'])
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def update_port_postcommit(self, context):
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port = context.current
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port_prefix = nuage_const.NOVA_PORT_OWNER_PREF
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# Check two things prior to proceeding with
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# talking to backend.
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# 1) binding has happened successfully.
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# 2) Its a VM port.
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if ((not context.original_bound_segment and
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context.bound_segment) and
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port['device_owner'].startswith(port_prefix)):
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np_name = cfg.CONF.RESTPROXY.default_net_partition_name
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self._create_update_port(context._plugin_context,
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port, np_name)
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def delete_port_postcommit(self, context):
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port = context.current
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np_name = cfg.CONF.RESTPROXY.default_net_partition_name
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self._delete_nuage_vport(context._plugin_context,
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port, np_name)
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def bind_port(self, context):
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LOG.debug("Attempting to bind port %(port)s on "
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"network %(network)s",
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{'port': context.current['id'],
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'network': context.network.current['id']})
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for segment in context.network.network_segments:
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if self._check_segment(segment):
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context.set_binding(segment[api.ID],
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self.vif_type,
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self.vif_details,
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status=n_consts.PORT_STATUS_ACTIVE)
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LOG.debug("Bound using segment: %s", segment)
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return
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else:
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LOG.error(_LE("Refusing to bind port for segment ID %(id)s, "
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"segment %(seg)s, phys net %(physnet)s, and "
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"network type %(nettype)s"),
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{'id': segment[api.ID],
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'seg': segment[api.SEGMENTATION_ID],
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'physnet': segment[api.PHYSICAL_NETWORK],
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'nettype': segment[api.NETWORK_TYPE]})
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def _check_segment(self, segment):
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"""Verify a segment is valid for the Nuage MechanismDriver."""
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network_type = segment[api.NETWORK_TYPE]
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return network_type in [constants.TYPE_LOCAL, constants.TYPE_GRE,
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constants.TYPE_VXLAN, constants.TYPE_VLAN]
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