Dynamic routing services for OpenStack Neutron.
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# 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._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.common import exceptions
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': attr.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': attr.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)