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Remove BGP code from neutron

Once the spinout is undergoing we should perform the eviction.

Partially-implements: blueprint bgp-spinout

Depends-on: I8be510153edbc496575cde34943ca4c56645e0fb
Change-Id: I20b6ddd37d10eae70e8294d578e53137c0f866fe
changes/18/306618/10
Armando Migliaccio 6 years ago
parent
commit
e8d3626d1c
  1. 29
      devstack/lib/bgp
  2. 13
      devstack/plugin.sh
  3. 7
      devstack/settings
  4. 7
      etc/oslo-config-generator/bgp_dragent.ini
  5. 20
      etc/policy.json
  6. 105
      neutron/api/rpc/agentnotifiers/bgp_dr_rpc_agent_api.py
  7. 65
      neutron/api/rpc/handlers/bgp_speaker_rpc.py
  8. 20
      neutron/cmd/eventlet/agents/bgp_dragent.py
  9. 1009
      neutron/db/bgp_db.py
  10. 215
      neutron/db/bgp_dragentscheduler_db.py
  11. 10
      neutron/db/migration/alembic_migrations/external.py
  12. 2
      neutron/db/migration/models/head.py
  13. 208
      neutron/extensions/bgp.py
  14. 183
      neutron/extensions/bgp_dragentscheduler.py
  15. 0
      neutron/services/bgp/__init__.py
  16. 0
      neutron/services/bgp/agent/__init__.py
  17. 707
      neutron/services/bgp/agent/bgp_dragent.py
  18. 29
      neutron/services/bgp/agent/config.py
  19. 47
      neutron/services/bgp/agent/entry.py
  20. 289
      neutron/services/bgp/bgp_plugin.py
  21. 0
      neutron/services/bgp/common/__init__.py
  22. 27
      neutron/services/bgp/common/constants.py
  23. 28
      neutron/services/bgp/common/opts.py
  24. 0
      neutron/services/bgp/driver/__init__.py
  25. 142
      neutron/services/bgp/driver/base.py
  26. 62
      neutron/services/bgp/driver/exceptions.py
  27. 0
      neutron/services/bgp/driver/ryu/__init__.py
  28. 202
      neutron/services/bgp/driver/ryu/driver.py
  29. 75
      neutron/services/bgp/driver/utils.py
  30. 0
      neutron/services/bgp/scheduler/__init__.py
  31. 191
      neutron/services/bgp/scheduler/bgp_dragent_scheduler.py
  32. 25
      neutron/tests/common/helpers.py
  33. 1
      neutron/tests/contrib/gate_hook.sh
  34. 2
      neutron/tests/contrib/hooks/api_extensions
  35. 2
      neutron/tests/contrib/hooks/bgp
  36. 20
      neutron/tests/etc/policy.json
  37. 0
      neutron/tests/functional/services/bgp/__init__.py
  38. 0
      neutron/tests/functional/services/bgp/scheduler/__init__.py
  39. 208
      neutron/tests/functional/services/bgp/scheduler/test_bgp_dragent_scheduler.py
  40. 286
      neutron/tests/tempest/api/test_bgp_speaker_extensions.py
  41. 120
      neutron/tests/tempest/api/test_bgp_speaker_extensions_negative.py
  42. 121
      neutron/tests/tempest/services/network/json/network_client.py
  43. 83
      neutron/tests/unit/api/rpc/agentnotifiers/test_bgp_dr_rpc_agent_api.py
  44. 44
      neutron/tests/unit/api/rpc/handlers/test_bgp_speaker_rpc.py
  45. 1045
      neutron/tests/unit/db/test_bgp_db.py
  46. 203
      neutron/tests/unit/db/test_bgp_dragentscheduler_db.py
  47. 3
      neutron/tests/unit/extensions/test_agent.py
  48. 224
      neutron/tests/unit/extensions/test_bgp_dragentscheduler.py
  49. 0
      neutron/tests/unit/services/bgp/__init__.py
  50. 0
      neutron/tests/unit/services/bgp/agent/__init__.py
  51. 736
      neutron/tests/unit/services/bgp/agent/test_bgp_dragent.py
  52. 0
      neutron/tests/unit/services/bgp/driver/__init__.py
  53. 0
      neutron/tests/unit/services/bgp/driver/ryu/__init__.py
  54. 250
      neutron/tests/unit/services/bgp/driver/ryu/test_driver.py
  55. 48
      neutron/tests/unit/services/bgp/driver/test_utils.py
  56. 0
      neutron/tests/unit/services/bgp/scheduler/__init__.py
  57. 224
      neutron/tests/unit/services/bgp/scheduler/test_bgp_dragent_scheduler.py
  58. 3
      setup.cfg

29
devstack/lib/bgp

@ -1,29 +0,0 @@
function configure_bgp_service_plugin {
_neutron_service_plugin_class_add "bgp"
}
function configure_bgp {
configure_bgp_service_plugin
}
function configure_bgp_dragent {
cp $NEUTRON_DIR/etc/bgp_dragent.ini.sample $Q_BGP_DRAGENT_CONF_FILE
iniset $Q_BGP_DRAGENT_CONF_FILE DEFAULT verbose True
iniset $Q_BGP_DRAGENT_CONF_FILE DEFAULT debug $ENABLE_DEBUG_LOG_LEVEL
if [ -n "$BGP_ROUTER_ID" ]; then
iniset $Q_BGP_DRAGENT_CONF_FILE BGP bgp_router_id $BGP_ROUTER_ID
fi
if [ -z "$BGP_SPEAKER_DRIVER" ]; then
BGP_SPEAKER_DRIVER=$RYU_BGP_SPEAKER_DRIVER
fi
iniset $Q_BGP_DRAGENT_CONF_FILE BGP bgp_speaker_driver $BGP_SPEAKER_DRIVER
}
function start_bgp_dragent {
run_process q-bgp-agt "$AGENT_BGP_BINARY --config-file $NEUTRON_CONF --config-file /$Q_BGP_DRAGENT_CONF_FILE"
}
function stop_bgp_dragent {
stop_process q-bgp-agt
}

13
devstack/plugin.sh

@ -1,6 +1,5 @@
LIBDIR=$DEST/neutron/devstack/lib
source $LIBDIR/bgp
source $LIBDIR/flavors
source $LIBDIR/l2_agent
source $LIBDIR/l2_agent_sriovnicswitch
@ -19,9 +18,6 @@ if [[ "$1" == "stack" ]]; then
if is_service_enabled q-qos; then
configure_qos
fi
if is_service_enabled q-bgp; then
configure_bgp
fi
if [[ "$Q_AGENT" == "openvswitch" ]] && \
[[ "$Q_BUILD_OVS_FROM_GIT" == "True" ]]; then
remove_ovs_packages
@ -33,9 +29,6 @@ if [[ "$1" == "stack" ]]; then
if is_service_enabled q-agt; then
configure_l2_agent
fi
if is_service_enabled q-bgp && is_service_enabled q-bgp-agt; then
configure_bgp_dragent
fi
#Note: sriov agent should run with OVS or linux bridge agent
#because they are the mechanisms that bind the DHCP and router ports.
#Currently devstack lacks the option to run two agents on the same node.
@ -51,16 +44,10 @@ if [[ "$1" == "stack" ]]; then
if is_service_enabled q-sriov-agt; then
start_l2_agent_sriov
fi
if is_service_enabled q-bgp && is_service_enabled q-bgp-agt; then
start_bgp_dragent
fi
;;
esac
elif [[ "$1" == "unstack" ]]; then
if is_service_enabled q-sriov-agt; then
stop_l2_agent_sriov
fi
if is_service_enabled q-bgp && is_service_enabled q-bgp-agt; then
stop_bgp_dragent
fi
fi

7
devstack/settings

@ -1,8 +1 @@
L2_AGENT_EXTENSIONS=${L2_AGENT_EXTENSIONS:-}
#BGP binary and config information
AGENT_BGP_BINARY=${AGENT_BGP_BINARY:-"$NEUTRON_BIN_DIR/neutron-bgp-dragent"}
Q_BGP_DRAGENT_CONF_FILE=${Q_BGP_DRAGENT_CONF_FILE:-"$NEUTRON_CONF_DIR/bgp_dragent.ini"}
BGP_ROUTER_ID=${BGP_ROUTER_ID:-}
RYU_BGP_SPEAKER_DRIVER="neutron.services.bgp.driver.ryu.driver.RyuBgpDriver"

7
etc/oslo-config-generator/bgp_dragent.ini

@ -1,7 +0,0 @@
[DEFAULT]
output_file = etc/bgp_dragent.ini.sample
wrap_width = 79
namespace = neutron.base.agent
namespace = neutron.bgp.agent
namespace = oslo.log

20
etc/policy.json

@ -213,26 +213,8 @@
"get_flavor_service_profile": "rule:regular_user",
"get_auto_allocated_topology": "rule:admin_or_owner",
"get_bgp_speaker": "rule:admin_only",
"create_bgp_speaker": "rule:admin_only",
"update_bgp_speaker": "rule:admin_only",
"delete_bgp_speaker": "rule:admin_only",
"get_bgp_peer": "rule:admin_only",
"create_bgp_peer": "rule:admin_only",
"update_bgp_peer": "rule:admin_only",
"delete_bgp_peer": "rule:admin_only",
"add_bgp_peer": "rule:admin_only",
"remove_bgp_peer": "rule:admin_only",
"add_gateway_network": "rule:admin_only",
"remove_gateway_network": "rule:admin_only",
"get_advertised_routes":"rule:admin_only",
"add_bgp_speaker_to_dragent": "rule:admin_only",
"remove_bgp_speaker_from_dragent": "rule:admin_only",
"list_bgp_speaker_on_dragent": "rule:admin_only",
"list_dragent_hosting_bgp_speaker": "rule:admin_only"
"get_advertised_routes":"rule:admin_only"
}

105
neutron/api/rpc/agentnotifiers/bgp_dr_rpc_agent_api.py

@ -1,105 +0,0 @@
# Copyright 2016 Huawei Technologies India Pvt. Ltd.
#
# 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.
import oslo_messaging
from neutron.common import rpc as n_rpc
from neutron.services.bgp.common import constants as bgp_consts
class BgpDrAgentNotifyApi(object):
"""API for plugin to notify BGP DrAgent.
This class implements the client side of an rpc interface. The server side
is neutron.services.bgp_speaker.agent.bgp_dragent.BgpDrAgent. For more
information about rpc interfaces, please see doc/source/devref/rpc_api.rst.
"""
def __init__(self, topic=bgp_consts.BGP_DRAGENT):
target = oslo_messaging.Target(topic=topic, version='1.0')
self.client = n_rpc.get_client(target)
self.topic = topic
def bgp_routes_advertisement(self, context, bgp_speaker_id,
routes, host):
"""Tell BgpDrAgent to begin advertising the given route.
Invoked on FIP association, adding router port to a tenant network,
and new DVR port-host bindings, and subnet creation(?).
"""
self._notification_host_cast(context, 'bgp_routes_advertisement_end',
{'advertise_routes': {'speaker_id': bgp_speaker_id,
'routes': routes}}, host)
def bgp_routes_withdrawal(self, context, bgp_speaker_id,
routes, host):
"""Tell BgpDrAgent to stop advertising the given route.
Invoked on FIP disassociation, removal of a router port on a
network, and removal of DVR port-host binding, and subnet delete(?).
"""
self._notification_host_cast(context, 'bgp_routes_withdrawal_end',
{'withdraw_routes': {'speaker_id': bgp_speaker_id,
'routes': routes}}, host)
def bgp_peer_disassociated(self, context, bgp_speaker_id,
bgp_peer_ip, host):
"""Tell BgpDrAgent about a new BGP Peer association.
This effectively tells the BgpDrAgent to stop a peering session.
"""
self._notification_host_cast(context, 'bgp_peer_disassociation_end',
{'bgp_peer': {'speaker_id': bgp_speaker_id,
'peer_ip': bgp_peer_ip}}, host)
def bgp_peer_associated(self, context, bgp_speaker_id,
bgp_peer_id, host):
"""Tell BgpDrAgent about a BGP Peer disassociation.
This effectively tells the bgp_dragent to open a peering session.
"""
self._notification_host_cast(context, 'bgp_peer_association_end',
{'bgp_peer': {'speaker_id': bgp_speaker_id,
'peer_id': bgp_peer_id}}, host)
def bgp_speaker_created(self, context, bgp_speaker_id, host):
"""Tell BgpDrAgent about the creation of a BGP Speaker.
Because a BGP Speaker can be created with BgpPeer binding in place,
we need to inform the BgpDrAgent of a new BGP Speaker in case a
peering session needs to opened immediately.
"""
self._notification_host_cast(context, 'bgp_speaker_create_end',
{'bgp_speaker': {'id': bgp_speaker_id}}, host)
def bgp_speaker_removed(self, context, bgp_speaker_id, host):
"""Tell BgpDrAgent about the removal of a BGP Speaker.
Because a BGP Speaker can be removed with BGP Peer binding in
place, we need to inform the BgpDrAgent of the removal of a
BGP Speaker in case peering sessions need to be stopped.
"""
self._notification_host_cast(context, 'bgp_speaker_remove_end',
{'bgp_speaker': {'id': bgp_speaker_id}}, host)
def _notification_host_cast(self, context, method, payload, host):
"""Send payload to BgpDrAgent in the cast mode"""
cctxt = self.client.prepare(topic=self.topic, server=host)
cctxt.cast(context, method, payload=payload)
def _notification_host_call(self, context, method, payload, host):
"""Send payload to BgpDrAgent in the call mode"""
cctxt = self.client.prepare(topic=self.topic, server=host)
cctxt.call(context, method, payload=payload)

65
neutron/api/rpc/handlers/bgp_speaker_rpc.py

@ -1,65 +0,0 @@
# Copyright 2016 Huawei Technologies India Pvt. Ltd.
#
# 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.
import oslo_messaging
from neutron.extensions import bgp as bgp_ext
from neutron import manager
class BgpSpeakerRpcCallback(object):
"""BgpDrAgent RPC callback in plugin implementations.
This class implements the server side of an RPC interface.
The client side of this interface can be found in
neutron.services.bgp_speaker.agent.bgp_dragent.BgpDrPluginApi.
For more information about changing RPC interfaces,
see doc/source/devref/rpc_api.rst.
"""
# API version history:
# 1.0 BGPDRPluginApi BASE_RPC_API_VERSION
target = oslo_messaging.Target(version='1.0')
@property
def plugin(self):
if not hasattr(self, '_plugin'):
self._plugin = manager.NeutronManager.get_service_plugins().get(
bgp_ext.BGP_EXT_ALIAS)
return self._plugin
def get_bgp_speaker_info(self, context, bgp_speaker_id):
"""Return BGP Speaker details such as peer list and local_as.
Invoked by the BgpDrAgent to lookup the details of a BGP Speaker.
"""
return self.plugin.get_bgp_speaker_with_advertised_routes(
context, bgp_speaker_id)
def get_bgp_peer_info(self, context, bgp_peer_id):
"""Return BgpPeer details such as IP, remote_as, and credentials.
Invoked by the BgpDrAgent to lookup the details of a BGP peer.
"""
return self.plugin.get_bgp_peer(context, bgp_peer_id,
['peer_ip', 'remote_as',
'auth_type', 'password'])
def get_bgp_speakers(self, context, host=None, **kwargs):
"""Returns the list of all BgpSpeakers.
Typically invoked by the BgpDrAgent as part of its bootstrap process.
"""
return self.plugin.get_bgp_speakers_for_agent_host(context, host)

20
neutron/cmd/eventlet/agents/bgp_dragent.py

@ -1,20 +0,0 @@
# Copyright 2016 Huawei Technologies India Pvt. Ltd.
#
# 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.services.bgp.agent import entry as bgp_dragent
def main():
bgp_dragent.main()

1009
neutron/db/bgp_db.py

File diff suppressed because it is too large Load Diff

215
neutron/db/bgp_dragentscheduler_db.py

@ -1,215 +0,0 @@
# Copyright 2016 Huawei Technologies India Pvt. 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 oslo_config import cfg
from oslo_db import exception as db_exc
from oslo_log import log as logging
import sqlalchemy as sa
from sqlalchemy import orm
from sqlalchemy.orm import exc
from neutron._i18n import _
from neutron._i18n import _LW
from neutron.db import agents_db
from neutron.db import agentschedulers_db as as_db
from neutron.db import model_base
from neutron.extensions import bgp_dragentscheduler as bgp_dras_ext
from neutron.services.bgp.common import constants as bgp_consts
LOG = logging.getLogger(__name__)
BGP_DRAGENT_SCHEDULER_OPTS = [
cfg.StrOpt(
'bgp_drscheduler_driver',
default='neutron.services.bgp.scheduler'
'.bgp_dragent_scheduler.ChanceScheduler',
help=_('Driver used for scheduling BGP speakers to BGP DrAgent'))
]
cfg.CONF.register_opts(BGP_DRAGENT_SCHEDULER_OPTS)
class BgpSpeakerDrAgentBinding(model_base.BASEV2):
"""Represents a mapping between BGP speaker and BGP DRAgent"""
__tablename__ = 'bgp_speaker_dragent_bindings'
bgp_speaker_id = sa.Column(sa.String(length=36),
sa.ForeignKey("bgp_speakers.id",
ondelete='CASCADE'),
nullable=False)
dragent = orm.relation(agents_db.Agent)
agent_id = sa.Column(sa.String(length=36),
sa.ForeignKey("agents.id",
ondelete='CASCADE'),
primary_key=True)
class BgpDrAgentSchedulerDbMixin(bgp_dras_ext.BgpDrSchedulerPluginBase,
as_db.AgentSchedulerDbMixin):
bgp_drscheduler = None
def schedule_unscheduled_bgp_speakers(self, context, host):
if self.bgp_drscheduler:
return self.bgp_drscheduler.schedule_unscheduled_bgp_speakers(
context, host)
else:
LOG.warning(_LW("Cannot schedule BgpSpeaker to DrAgent. "
"Reason: No scheduler registered."))
def schedule_bgp_speaker(self, context, created_bgp_speaker):
if self.bgp_drscheduler:
agents = self.bgp_drscheduler.schedule(context,
created_bgp_speaker)
for agent in agents:
self._bgp_rpc.bgp_speaker_created(context,
created_bgp_speaker['id'],
agent.host)
else:
LOG.warning(_LW("Cannot schedule BgpSpeaker to DrAgent. "
"Reason: No scheduler registered."))
def add_bgp_speaker_to_dragent(self, context, agent_id, speaker_id):
"""Associate a BgpDrAgent with a BgpSpeaker."""
try:
self._save_bgp_speaker_dragent_binding(context,
agent_id,
speaker_id)
except db_exc.DBDuplicateEntry:
raise bgp_dras_ext.DrAgentAssociationError(
agent_id=agent_id)
LOG.debug('BgpSpeaker %(bgp_speaker_id)s added to '
'BgpDrAgent %(agent_id)s',
{'bgp_speaker_id': speaker_id, 'agent_id': agent_id})
def _save_bgp_speaker_dragent_binding(self, context,
agent_id, speaker_id):
with context.session.begin(subtransactions=True):
agent_db = self._get_agent(context, agent_id)
agent_up = agent_db['admin_state_up']
is_agent_bgp = (agent_db['agent_type'] ==
bgp_consts.AGENT_TYPE_BGP_ROUTING)
if not is_agent_bgp or not agent_up:
raise bgp_dras_ext.DrAgentInvalid(id=agent_id)
binding = BgpSpeakerDrAgentBinding()
binding.bgp_speaker_id = speaker_id
binding.agent_id = agent_id
context.session.add(binding)
self._bgp_rpc.bgp_speaker_created(context, speaker_id, agent_db.host)
def remove_bgp_speaker_from_dragent(self, context, agent_id, speaker_id):
with context.session.begin(subtransactions=True):
agent_db = self._get_agent(context, agent_id)
is_agent_bgp = (agent_db['agent_type'] ==
bgp_consts.AGENT_TYPE_BGP_ROUTING)
if not is_agent_bgp:
raise bgp_dras_ext.DrAgentInvalid(id=agent_id)
query = context.session.query(BgpSpeakerDrAgentBinding)
query = query.filter_by(bgp_speaker_id=speaker_id,
agent_id=agent_id)
num_deleted = query.delete()
if not num_deleted:
raise bgp_dras_ext.DrAgentNotHostingBgpSpeaker(
bgp_speaker_id=speaker_id,
agent_id=agent_id)
LOG.debug('BgpSpeaker %(bgp_speaker_id)s removed from '
'BgpDrAgent %(agent_id)s',
{'bgp_speaker_id': speaker_id,
'agent_id': agent_id})
self._bgp_rpc.bgp_speaker_removed(context, speaker_id, agent_db.host)
def get_dragents_hosting_bgp_speakers(self, context, bgp_speaker_ids,
active=None, admin_state_up=None):
query = context.session.query(BgpSpeakerDrAgentBinding)
query = query.options(orm.contains_eager(
BgpSpeakerDrAgentBinding.dragent))
query = query.join(BgpSpeakerDrAgentBinding.dragent)
if len(bgp_speaker_ids) == 1:
query = query.filter(
BgpSpeakerDrAgentBinding.bgp_speaker_id == (
bgp_speaker_ids[0]))
elif bgp_speaker_ids:
query = query.filter(
BgpSpeakerDrAgentBinding.bgp_speaker_id in bgp_speaker_ids)
if admin_state_up is not None:
query = query.filter(agents_db.Agent.admin_state_up ==
admin_state_up)
return [binding.dragent
for binding in query
if as_db.AgentSchedulerDbMixin.is_eligible_agent(
active, binding.dragent)]
def get_dragent_bgp_speaker_bindings(self, context):
return context.session.query(BgpSpeakerDrAgentBinding).all()
def list_dragent_hosting_bgp_speaker(self, context, speaker_id):
dragents = self.get_dragents_hosting_bgp_speakers(context,
[speaker_id])
agent_ids = [dragent.id for dragent in dragents]
if not agent_ids:
return {'agents': []}
return {'agents': self.get_agents(context, filters={'id': agent_ids})}
def list_bgp_speaker_on_dragent(self, context, agent_id):
query = context.session.query(BgpSpeakerDrAgentBinding.bgp_speaker_id)
query = query.filter_by(agent_id=agent_id)
bgp_speaker_ids = [item[0] for item in query]
if not bgp_speaker_ids:
# Exception will be thrown if the requested agent does not exist.
self._get_agent(context, agent_id)
return {'bgp_speakers': []}
return {'bgp_speakers':
self.get_bgp_speakers(context,
filters={'id': bgp_speaker_ids})}
def get_bgp_speakers_for_agent_host(self, context, host):
agent = self._get_agent_by_type_and_host(
context, bgp_consts.AGENT_TYPE_BGP_ROUTING, host)
if not agent.admin_state_up:
return {}
query = context.session.query(BgpSpeakerDrAgentBinding)
query = query.filter(BgpSpeakerDrAgentBinding.agent_id == agent.id)
try:
binding = query.one()
except exc.NoResultFound:
return []
bgp_speaker = self.get_bgp_speaker_with_advertised_routes(
context, binding['bgp_speaker_id'])
return [bgp_speaker]
def get_bgp_speaker_by_speaker_id(self, context, bgp_speaker_id):
try:
return self.get_bgp_speaker(context, bgp_speaker_id)
except exc.NoResultFound:
return {}
def get_bgp_peer_by_peer_id(self, context, bgp_peer_id):
try:
return self.get_bgp_peer(context, bgp_peer_id)
except exc.NoResultFound:
return {}

10
neutron/db/migration/alembic_migrations/external.py

@ -31,6 +31,15 @@ REPO_ARISTA_TABLES = [
'arista_provisioned_tenants',
]
# BGP models in openstack/neutron-dynamic-routing
REPO_NEUTRON_DYNAMIC_ROUTING_TABLES = [
'bgp_speakers',
'bgp_peers',
'bgp_speaker_network_bindings',
'bgp_speaker_peer_bindings',
'bgp_speaker_dragent_bindings',
]
# Models moved to openstack/networking-cisco
REPO_CISCO_TABLES = [
'cisco_ml2_apic_contracts',
@ -113,6 +122,7 @@ REPO_NUAGE_TABLES = [
TABLES = (FWAAS_TABLES + LBAAS_TABLES + VPNAAS_TABLES +
REPO_ARISTA_TABLES +
REPO_NEUTRON_DYNAMIC_ROUTING_TABLES +
REPO_CISCO_TABLES +
REPO_VMWARE_TABLES +
REPO_BROCADE_TABLES +

2
neutron/db/migration/models/head.py

@ -25,8 +25,6 @@ from neutron.db import address_scope_db # noqa
from neutron.db import agents_db # noqa
from neutron.db import agentschedulers_db # noqa
from neutron.db import allowedaddresspairs_db # noqa
from neutron.db import bgp_db # noqa
from neutron.db import bgp_dragentscheduler_db # noqa
from neutron.db import dns_db # noqa
from neutron.db import dvr_mac_db # noqa
from neutron.db import external_net_db # noqa

208
neutron/extensions/bgp.py

@ -1,208 +0,0 @@
# Copyright 2016 Hewlett Packard Development Coompany LP
#
# 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.api import converters
from neutron_lib import exceptions
from neutron._i18n import _
from neutron.api import extensions
from neutron.api.v2 import attributes as attr
from neutron.api.v2 import resource_helper as rh
from neutron.services.bgp.common import constants as bgp_consts
BGP_EXT_ALIAS = 'bgp'
BGP_SPEAKER_RESOURCE_NAME = 'bgp-speaker'
BGP_SPEAKER_BODY_KEY_NAME = 'bgp_speaker'
BGP_PEER_BODY_KEY_NAME = 'bgp_peer'
RESOURCE_ATTRIBUTE_MAP = {
BGP_SPEAKER_RESOURCE_NAME + 's': {
'id': {'allow_post': False, 'allow_put': False,
'validate': {'type:uuid': None},
'is_visible': True, 'primary_key': True},
'name': {'allow_post': True, 'allow_put': True,
'validate': {'type:string': attr.NAME_MAX_LEN},
'is_visible': True, 'default': ''},
'local_as': {'allow_post': True, 'allow_put': False,
'validate': {'type:range': (bgp_consts.MIN_ASNUM,
bgp_consts.MAX_ASNUM)},
'is_visible': True, 'default': None,
'required_by_policy': False,
'enforce_policy': False},
'ip_version': {'allow_post': True, 'allow_put': False,
'validate': {'type:values': [4, 6]},
'is_visible': True, 'default': None,
'required_by_policy': False,
'enforce_policy': False},
'tenant_id': {'allow_post': True, 'allow_put': False,
'required_by_policy': False,
'validate': {'type:string': attr.TENANT_ID_MAX_LEN},
'is_visible': True},
'peers': {'allow_post': False, 'allow_put': False,
'validate': {'type:uuid_list': None},
'is_visible': True, 'default': [],
'required_by_policy': False,
'enforce_policy': True},
'networks': {'allow_post': False, 'allow_put': False,
'validate': {'type:uuid_list': None},
'is_visible': True, 'default': [],
'required_by_policy': False,
'enforce_policy': True},
'advertise_floating_ip_host_routes': {
'allow_post': True,
'allow_put': True,
'convert_to': converters.convert_to_boolean,
'validate': {'type:boolean': None},
'is_visible': True, 'default': True,
'required_by_policy': False,
'enforce_policy': True},
'advertise_tenant_networks': {
'allow_post': True,
'allow_put': True,
'convert_to': converters.convert_to_boolean,
'validate': {'type:boolean': None},
'is_visible': True, 'default': True,
'required_by_policy': False,
'enforce_policy': True},
},
'bgp-peers': {
'id': {'allow_post': False, 'allow_put': False,
'validate': {'type:uuid': None},
'is_visible': True, 'primary_key': True},
'name': {'allow_post': True, 'allow_put': True,
'validate': {'type:string': attr.NAME_MAX_LEN},
'is_visible': True, 'default': ''},
'peer_ip': {'allow_post': True, 'allow_put': False,
'required_by_policy': True,
'validate': {'type:ip_address': None},
'is_visible': True},
'remote_as': {'allow_post': True, 'allow_put': False,
'validate': {'type:range': (bgp_consts.MIN_ASNUM,
bgp_consts.MAX_ASNUM)},
'is_visible': True, 'default': None,
'required_by_policy': False,
'enforce_policy': False},
'auth_type': {'allow_post': True, 'allow_put': False,
'required_by_policy': True,
'validate': {'type:values':
bgp_consts.SUPPORTED_AUTH_TYPES},
'is_visible': True},
'password': {'allow_post': True, 'allow_put': True,
'required_by_policy': True,
'validate': {'type:string_or_none': None},
'is_visible': False,
'default': None},
'tenant_id': {'allow_post': True, 'allow_put': False,
'required_by_policy': False,
'validate': {'type:string': attr.TENANT_ID_MAX_LEN},
'is_visible': True}
}
}
# Dynamic Routing Exceptions
class BgpSpeakerNotFound(exceptions.NotFound):
message = _("BGP speaker %(id)s could not be found.")
class BgpPeerNotFound(exceptions.NotFound):
message = _("BGP peer %(id)s could not be found.")
class BgpPeerNotAuthenticated(exceptions.NotFound):
message = _("BGP peer %(bgp_peer_id)s not authenticated.")
class BgpSpeakerPeerNotAssociated(exceptions.NotFound):
message = _("BGP peer %(bgp_peer_id)s is not associated with "
"BGP speaker %(bgp_speaker_id)s.")
class BgpSpeakerNetworkNotAssociated(exceptions.NotFound):
message = _("Network %(network_id)s is not associated with "
"BGP speaker %(bgp_speaker_id)s.")
class BgpSpeakerNetworkBindingError(exceptions.Conflict):
message = _("Network %(network_id)s is already bound to BgpSpeaker "
"%(bgp_speaker_id)s.")
class NetworkNotBound(exceptions.NotFound):
message = _("Network %(network_id)s is not bound to a BgpSpeaker.")
class DuplicateBgpPeerIpException(exceptions.Conflict):
_message = _("BGP Speaker %(bgp_speaker_id)s is already configured to "
"peer with a BGP Peer at %(peer_ip)s, it cannot peer with "
"BGP Peer %(bgp_peer_id)s.")
class InvalidBgpPeerMd5Authentication(exceptions.BadRequest):
message = _("A password must be supplied when using auth_type md5.")
class NetworkNotBoundForIpVersion(NetworkNotBound):
message = _("Network %(network_id)s is not bound to a IPv%(ip_version)s "
"BgpSpeaker.")
class Bgp(extensions.ExtensionDescriptor):
@classmethod
def get_name(cls):
return "Neutron BGP Dynamic Routing Extension"
@classmethod
def get_alias(cls):
return BGP_EXT_ALIAS
@classmethod
def get_description(cls):
return("Discover and advertise routes for Neutron prefixes "
"dynamically via BGP")
@classmethod
def get_updated(cls):
return "2014-07-01T15:37:00-00:00"
@classmethod
def get_resources(cls):
plural_mappings = rh.build_plural_mappings(
{}, RESOURCE_ATTRIBUTE_MAP)
attr.PLURALS.update(plural_mappings)
action_map = {BGP_SPEAKER_RESOURCE_NAME:
{'add_bgp_peer': 'PUT',
'remove_bgp_peer': 'PUT',
'add_gateway_network': 'PUT',
'remove_gateway_network': 'PUT',
'get_advertised_routes': 'GET'}}
exts = rh.build_resource_info(plural_mappings,
RESOURCE_ATTRIBUTE_MAP,
BGP_EXT_ALIAS,
action_map=action_map)
return exts
def get_extended_resources(self, version):
if version == "2.0":
return RESOURCE_ATTRIBUTE_MAP
else:
return {}
def update_attributes_map(self, attributes):
super(Bgp, self).update_attributes_map(
attributes, extension_attrs_map=RESOURCE_ATTRIBUTE_MAP)

183
neutron/extensions/bgp_dragentscheduler.py

@ -1,183 +0,0 @@
# Copyright 2016 Huawei Technologies India Pvt. 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.
import abc
import six
import webob
from neutron_lib import exceptions
from oslo_log import log as logging
from neutron.api import extensions
from neutron.api.v2 import base
from neutron.api.v2 import resource
from neutron.extensions import agent
from neutron.extensions import bgp as bgp_ext
from neutron._i18n import _, _LE
from neutron import manager
from neutron import wsgi
LOG = logging.getLogger(__name__)
BGP_DRAGENT_SCHEDULER_EXT_ALIAS = 'bgp_dragent_scheduler'
BGP_DRINSTANCE = 'bgp-drinstance'
BGP_DRINSTANCES = BGP_DRINSTANCE + 's'
BGP_DRAGENT = 'bgp-dragent'
BGP_DRAGENTS = BGP_DRAGENT + 's'
class DrAgentInvalid(agent.AgentNotFound):
message = _("BgpDrAgent %(id)s is invalid or has been disabled.")
class DrAgentNotHostingBgpSpeaker(exceptions.NotFound):
message = _("BGP speaker %(bgp_speaker_id)s is not hosted "
"by the BgpDrAgent %(agent_id)s.")
class DrAgentAssociationError(exceptions.Conflict):
message = _("BgpDrAgent %(agent_id)s is already associated "
"to a BGP speaker.")
class BgpDrSchedulerController(wsgi.Controller):
"""Schedule BgpSpeaker for a BgpDrAgent"""
def get_plugin(self):
plugin = manager.NeutronManager.get_service_plugins().get(
bgp_ext.BGP_EXT_ALIAS)
if not plugin:
LOG.error(_LE('No plugin for BGP routing registered'))
msg = _('The resource could not be found.')
raise webob.exc.HTTPNotFound(msg)
return plugin
def index(self, request, **kwargs):
plugin = self.get_plugin()
return plugin.list_bgp_speaker_on_dragent(
request.context, kwargs['agent_id'])
def create(self, request, body, **kwargs):
plugin = self.get_plugin()
return plugin.add_bgp_speaker_to_dragent(
request.context,
kwargs['agent_id'],
body['bgp_speaker_id'])
def delete(self, request, id, **kwargs):
plugin = self.get_plugin()
return plugin.remove_bgp_speaker_from_dragent(
request.context, kwargs['agent_id'], id)
class BgpDrAgentController(wsgi.Controller):
def get_plugin(self):
plugin = manager.NeutronManager.get_service_plugins().get(
bgp_ext.BGP_EXT_ALIAS)
if not plugin:
LOG.error(_LE('No plugin for BGP routing registered'))
msg = _LE('The resource could not be found.')
raise webob.exc.HTTPNotFound(msg)
return plugin
def index(self, request, **kwargs):
plugin = manager.NeutronManager.get_service_plugins().get(
bgp_ext.BGP_EXT_ALIAS)
return plugin.list_dragent_hosting_bgp_speaker(
request.context, kwargs['bgp_speaker_id'])
class Bgp_dragentscheduler(extensions.ExtensionDescriptor):
"""Extension class supporting Dynamic Routing scheduler.
"""
@classmethod
def get_name(cls):
return "BGP Dynamic Routing Agent Scheduler"
@classmethod
def get_alias(cls):
return BGP_DRAGENT_SCHEDULER_EXT_ALIAS
@classmethod
def get_description(cls):
return "Schedules BgpSpeakers on BgpDrAgent"
@classmethod
def get_updated(cls):
return "2015-07-30T10:00:00-00:00"
@classmethod
def get_resources(cls):
"""Returns Ext Resources."""
exts = []
parent = dict(member_name="agent",
collection_name="agents")
controller = resource.Resource(BgpDrSchedulerController(),
base.FAULT_MAP)
exts.append(extensions.ResourceExtension(BGP_DRINSTANCES,
controller, parent))
parent = dict(member_name="bgp_speaker",
collection_name="bgp-speakers")
controller = resource.Resource(BgpDrAgentController(),
base.FAULT_MAP)
exts.append(extensions.ResourceExtension(BGP_DRAGENTS,
controller, parent))
return exts
def get_extended_resources(self, version):
return {}
@six.add_metaclass(abc.ABCMeta)
class BgpDrSchedulerPluginBase(object):
"""REST API to operate BGP dynamic routing agent scheduler.
All the methods must be executed in admin context.
"""
def get_plugin_description(self):
return "Neutron BGP dynamic routing scheduler Plugin"
def get_plugin_type(self):
return bgp_ext.BGP_EXT_ALIAS
@abc.abstractmethod
def add_bgp_speaker_to_dragent(self, context, agent_id, speaker_id):
pass
@abc.abstractmethod
def remove_bgp_speaker_from_dragent(self, context, agent_id, speaker_id):
pass
@abc.abstractmethod
def list_dragent_hosting_bgp_speaker(self, context, speaker_id):
pass
@abc.abstractmethod
def list_bgp_speaker_on_dragent(self, context, agent_id):
pass
@abc.abstractmethod
def get_bgp_speakers_for_agent_host(self, context, host):
pass
@abc.abstractmethod
def get_bgp_speaker_by_speaker_id(self, context, speaker_id):
pass
@abc.abstractmethod
def get_bgp_peer_by_peer_id(self, context, bgp_peer_id):
pass

0
neutron/services/bgp/__init__.py

0
neutron/services/bgp/agent/__init__.py

707
neutron/services/bgp/agent/bgp_dragent.py

@ -1,707 +0,0 @@
# Copyright 2016 Huawei Technologies India Pvt. Ltd.
#
# 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.
import collections
from oslo_config import cfg
from oslo_log import log as logging
import oslo_messaging
from oslo_service import loopingcall
from oslo_service import periodic_task
from oslo_utils import importutils
from neutron.agent import rpc as agent_rpc
from neutron.common import constants
from neutron.common import rpc as n_rpc
from neutron.common import topics
from neutron.common import utils
from neutron import context
from neutron.extensions import bgp as bgp_ext
from neutron._i18n import _, _LE, _LI, _LW
from neutron import manager
from neutron.services.bgp.common import constants as bgp_consts
from neutron.services.bgp.driver import exceptions as driver_exc
LOG = logging.getLogger(__name__)
class BgpDrAgent(manager.Manager):
"""BGP Dynamic Routing agent service manager.
Note that the public methods of this class are exposed as the server side
of an rpc interface. The neutron server uses
neutron.api.rpc.agentnotifiers.bgp_dr_rpc_agent_api.
BgpDrAgentNotifyApi as the client side to execute the methods
here. For more information about changing rpc interfaces, see
doc/source/devref/rpc_api.rst.
API version history:
1.0 initial Version
"""
target = oslo_messaging.Target(version='1.0')
def __init__(self, host, conf=None):
super(BgpDrAgent, self).__init__()
self.initialize_driver(conf)
self.needs_resync_reasons = collections.defaultdict(list)
self.needs_full_sync_reason = None
self.cache = BgpSpeakerCache()
self.context = context.get_admin_context_without_session()
self.plugin_rpc = BgpDrPluginApi(bgp_consts.BGP_PLUGIN,
self.context, host)
def initialize_driver(self, conf):
self.conf = conf or cfg.CONF.BGP
try:
self.dr_driver_cls = (
importutils.import_object(self.conf.bgp_speaker_driver,
self.conf))
except ImportError:
LOG.exception(_LE("Error while importing BGP speaker driver %s"),
self.conf.bgp_speaker_driver)
raise SystemExit(1)
def _handle_driver_failure(self, bgp_speaker_id, method, driver_exec):
self.schedule_resync(reason=driver_exec,
speaker_id=bgp_speaker_id)
LOG.error(_LE('Call to driver for BGP Speaker %(bgp_speaker)s '
'%(method)s has failed with exception '
'%(driver_exec)s.'),
{'bgp_speaker': bgp_speaker_id,
'method': method,
'driver_exec': driver_exec})
def after_start(self):
self.run()
LOG.info(_LI("BGP Dynamic Routing agent started"))
def run(self):
"""Activate BGP Dynamic Routing agent."""
self.sync_state(self.context)
self.periodic_resync(self.context)
@utils.synchronized('bgp-dragent')
def sync_state(self, context, full_sync=None, bgp_speakers=None):
try:
hosted_bgp_speakers = self.plugin_rpc.get_bgp_speakers(context)
hosted_bgp_speaker_ids = [bgp_speaker['id']
for bgp_speaker in hosted_bgp_speakers]
cached_bgp_speakers = self.cache.get_bgp_speaker_ids()
for bgp_speaker_id in cached_bgp_speakers:
if bgp_speaker_id not in hosted_bgp_speaker_ids:
self.remove_bgp_speaker_from_dragent(bgp_speaker_id)
resync_all = not bgp_speakers or full_sync
only_bs = set() if resync_all else set(bgp_speakers)
for hosted_bgp_speaker in hosted_bgp_speakers:
hosted_bs_id = hosted_bgp_speaker['id']
if resync_all or hosted_bs_id in only_bs:
if not self.cache.is_bgp_speaker_added(hosted_bs_id):
self.safe_configure_dragent_for_bgp_speaker(
hosted_bgp_speaker)
continue
self.sync_bgp_speaker(hosted_bgp_speaker)
resync_reason = "Periodic route cache refresh"
self.schedule_resync(speaker_id=hosted_bs_id,
reason=resync_reason)
except Exception as e:
self.schedule_full_resync(reason=e)
LOG.error(_LE('Unable to sync BGP speaker state.'))
def sync_bgp_speaker(self, bgp_speaker):
# sync BGP Speakers
bgp_peer_ips = set(
[bgp_peer['peer_ip'] for bgp_peer in bgp_speaker['peers']])
cached_bgp_peer_ips = set(
self.cache.get_bgp_peer_ips(bgp_speaker['id']))
removed_bgp_peer_ips = cached_bgp_peer_ips - bgp_peer_ips
for bgp_peer_ip in removed_bgp_peer_ips:
self.remove_bgp_peer_from_bgp_speaker(bgp_speaker['id'],
bgp_peer_ip)
if bgp_peer_ips:
self.add_bgp_peers_to_bgp_speaker(bgp_speaker)
# sync advertise routes
cached_adv_routes = self.cache.get_adv_routes(bgp_speaker['id'])
adv_routes = bgp_speaker['advertised_routes']
if cached_adv_routes == adv_routes:
return
for cached_route in cached_adv_routes:
if cached_route not in adv_routes:
self.withdraw_route_via_bgp_speaker(bgp_speaker['id'],
bgp_speaker['local_as'],
cached_route)
self.advertise_routes_via_bgp_speaker(bgp_speaker)
@utils.exception_logger()
def _periodic_resync_helper(self, context):
"""Resync the BgpDrAgent state at the configured interval."""
if self.needs_resync_reasons or self.needs_full_sync_reason:
full_sync = self.needs_full_sync_reason
reasons = self.needs_resync_reasons
# Reset old reasons
self.needs_full_sync_reason = None
self.needs_resync_reasons = collections.defaultdict(list)
if full_sync:
LOG.debug("resync all: %(reason)s", {"reason": full_sync})
for bgp_speaker, reason in reasons.items():
LOG.debug("resync (%(bgp_speaker)s): %(reason)s",
{"reason": reason, "bgp_speaker": bgp_speaker})
self.sync_state(
context, full_sync=full_sync, bgp_speakers=reasons.keys())
# NOTE: spacing is set 1 sec. The actual interval is controlled
# by neutron/service.py which defaults to CONF.periodic_interval
@periodic_task.periodic_task(spacing=1)
def periodic_resync(self, context):
LOG.debug("Started periodic resync.")
self._periodic_resync_helper(context)
@utils.synchronized('bgp-dr-agent')
def bgp_speaker_create_end(self, context, payload):
"""Handle bgp_speaker_create_end notification event."""
bgp_speaker_id = payload['bgp_speaker']['id']
LOG.debug('Received BGP speaker create notification for '
'speaker_id=%(speaker_id)s from the neutron server.',
{'speaker_id': bgp_speaker_id})
self.add_bgp_speaker_helper(bgp_speaker_id)
@utils.synchronized('bgp-dr-agent')
def bgp_speaker_remove_end(self, context, payload):
"""Handle bgp_speaker_create_end notification event."""
bgp_speaker_id = payload['bgp_speaker']['id']
LOG.debug('Received BGP speaker remove notification for '
'speaker_id=%(speaker_id)s from the neutron server.',
{'speaker_id': bgp_speaker_id})
self.remove_bgp_speaker_from_dragent(bgp_speaker_id)
@utils.synchronized('bgp-dr-agent')
def bgp_peer_association_end(self, context, payload):
"""Handle bgp_peer_association_end notification event."""
bgp_peer_id = payload['bgp_peer']['peer_id']
bgp_speaker_id = payload['bgp_peer']['speaker_id']
LOG.debug('Received BGP peer associate notification for '
'speaker_id=%(speaker_id)s peer_id=%(peer_id)s '
'from the neutron server.',
{'speaker_id': bgp_speaker_id,
'peer_id': bgp_peer_id})
self.add_bgp_peer_helper(bgp_speaker_id, bgp_peer_id)
@utils.synchronized('bgp-dr-agent')
def bgp_peer_disassociation_end(self, context, payload):
"""Handle bgp_peer_disassociation_end notification event."""
bgp_peer_ip = payload['bgp_peer']['peer_ip']
bgp_speaker_id = payload['bgp_peer']['speaker_id']
LOG.debug('Received BGP peer disassociate notification for '
'speaker_id=%(speaker_id)s peer_ip=%(peer_ip)s '
'from the neutron server.',
{'speaker_id': bgp_speaker_id,
'peer_ip': bgp_peer_ip})
self.remove_bgp_peer_from_bgp_speaker(bgp_speaker_id, bgp_peer_ip)
@utils.synchronized('bgp-dr-agent')
def bgp_routes_advertisement_end(self, context, payload):
"""Handle bgp_routes_advertisement_end notification event."""
bgp_speaker_id = payload['advertise_routes']['speaker_id']
LOG.debug('Received routes advertisement end notification '
'for speaker_id=%(speaker_id)s from the neutron server.',
{'speaker_id': bgp_speaker_id})
routes = payload['advertise_routes']['routes']
self.add_routes_helper(bgp_speaker_id, routes)
@utils.synchronized('bgp-dr-agent')
def bgp_routes_withdrawal_end(self, context, payload):
"""Handle bgp_routes_withdrawal_end notification event."""
bgp_speaker_id = payload['withdraw_routes']['speaker_id']
LOG.debug('Received route withdrawal notification for '
'speaker_id=%(speaker_id)s from the neutron server.',
{'speaker_id': bgp_speaker_id})
routes = payload['withdraw_routes']['routes']
self.withdraw_routes_helper(bgp_speaker_id, routes)
def add_bgp_speaker_helper(self, bgp_speaker_id):
"""Add BGP speaker."""
bgp_speaker = self.safe_get_bgp_speaker_info(bgp_speaker_id)
if bgp_speaker:
self.add_bgp_speaker_on_dragent(bgp_speaker)
def add_bgp_peer_helper(self, bgp_speaker_id, bgp_peer_id):
"""Add BGP peer."""
# Ideally BGP Speaker must be added by now, If not then let's
# re-sync.
if not self.cache.is_bgp_speaker_added(bgp_speaker_id):
self.schedule_resync(speaker_id=bgp_speaker_id,
reason="BGP Speaker Out-of-sync")
return
bgp_peer = self.safe_get_bgp_peer_info(bgp_speaker_id,
bgp_peer_id)
if bgp_peer:
bgp_speaker_as = self.cache.get_bgp_speaker_local_as(
bgp_speaker_id)
self.add_bgp_peer_to_bgp_speaker(bgp_speaker_id,
bgp_speaker_as,
bgp_peer)
def add_routes_helper(self, bgp_speaker_id, routes):
"""Advertise routes to BGP speaker."""
# Ideally BGP Speaker must be added by now, If not then let's
# re-sync.
if not self.cache.is_bgp_speaker_added(bgp_speaker_id):
self.schedule_resync(speaker_id=bgp_speaker_id,
reason="BGP Speaker Out-of-sync")
return
bgp_speaker_as = self.cache.get_bgp_speaker_local_as(bgp_speaker_id)
for route in routes:
self.advertise_route_via_bgp_speaker(bgp_speaker_id,
bgp_speaker_as,
route)
if self.is_resync_scheduled(bgp_speaker_id):
break
def withdraw_routes_helper(self, bgp_speaker_id, routes):
"""Withdraw routes advertised by BGP speaker."""
# Ideally BGP Speaker must be added by now, If not then let's
# re-sync.
if not self.cache.is_bgp_speaker_added(bgp_speaker_id):
self.schedule_resync(speaker_id=bgp_speaker_id,
reason="BGP Speaker Out-of-sync")
return
bgp_speaker_as = self.cache.get_bgp_speaker_local_as(bgp_speaker_id)
for route in routes:
self.withdraw_route_via_bgp_speaker(bgp_speaker_id,
bgp_speaker_as,
route)
if self.is_resync_scheduled(bgp_speaker_id):
break
def safe_get_bgp_speaker_info(self, bgp_speaker_id):
try:
bgp_speaker = self.plugin_rpc.get_bgp_speaker_info(self.context,
bgp_speaker_id)
if not bgp_speaker:
LOG.warning(_LW('BGP Speaker %s has been deleted.'),
bgp_speaker_id)
return bgp_speaker
except Exception as e:
self.schedule_resync(speaker_id=bgp_speaker_id,
reason=e)
LOG.error(_LE('BGP Speaker %(bgp_speaker)s info call '
'failed with reason=%(e)s.'),
{'bgp_speaker': bgp_speaker_id, 'e': e})
def safe_get_bgp_peer_info(self, bgp_speaker_id, bgp_peer_id):
try:
bgp_peer = self.plugin_rpc.get_bgp_peer_info(self.context,
bgp_peer_id)
if not bgp_peer:
LOG.warning(_LW('BGP Peer %s has been deleted.'), bgp_peer)
return bgp_peer
except Exception as e:
self.schedule_resync(speaker_id=bgp_speaker_id,
reason=e)
LOG.error(_LE('BGP peer %(bgp_peer)s info call '
'failed with reason=%(e)s.'),
{'bgp_peer': bgp_peer_id, 'e': e})
@utils.exception_logger()
def safe_configure_dragent_for_bgp_speaker(self, bgp_speaker):
try:
self.add_bgp_speaker_on_dragent(bgp_speaker)
except (bgp_ext.BgpSpeakerNotFound, RuntimeError):
LOG.warning(_LW('BGP speaker %s may have been deleted and its '
'resources may have already been disposed.'),
bgp_speaker['id'])
def add_bgp_speaker_on_dragent(self, bgp_speaker):
# Caching BGP speaker details in BGPSpeakerCache. Will be used
# during smooth.
self.cache.put_bgp_speaker(bgp_speaker)
LOG.debug('Calling driver for adding BGP speaker %(speaker_id)s,'
' speaking for local_as %(local_as)s',
{'speaker_id': bgp_speaker['id'],
'local_as': bgp_speaker['local_as']})
try:
self.dr_driver_cls.add_bgp_speaker(bgp_speaker['local_as'])
except driver_exc.BgpSpeakerAlreadyScheduled:
return
except Exception as e:
self._handle_driver_failure(bgp_speaker['id'],