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# Copyright (c) 2017 One Convergence Inc
# 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.api import converters as lib_converters
from neutron_lib.api import extensions
from neutron_lib import exceptions as neutron_exc
from networking_sfc._i18n import _
from networking_sfc.extensions import sfc
DEFAULT_TAP_ENABLED = False
TAP_EXT = "networking-sfc-tap"
class MultiplePortPairsInTapPPGNotSupported(neutron_exc.InvalidInput):
"""Multiple Port Pairs in Tap PPG not allowed"""
message = _("Multiple port pairs in Tap port-pair-group is not allowed.")
class ConsecutiveTapPPGNotSupported(neutron_exc.InvalidInput):
"""Unsupported Tap deployment"""
message = _("Consecutive Tap PPG in port-chain is not supported now.")
EXTENDED_ATTRIBUTES_2_0 = {
'port_pair_groups': {
'tap_enabled': {
'allow_post': True, 'allow_put': False,
'is_visible': True, 'default': DEFAULT_TAP_ENABLED,
'convert_to': lib_converters.convert_to_boolean
}
}
}
class Tap(extensions.ExtensionDescriptor):
@classmethod
def get_name(cls):
return "Networking SFC Passive Tap Service Function support"
@classmethod
def get_alias(cls):
return TAP_EXT
@classmethod
def get_description(cls):
return "Extension for Passive TAP Service Function support"
@classmethod
def get_updated(cls):
return "2017-10-20T10:00:00-00:00"
def get_extended_resources(self, version):
if version == "2.0":
return EXTENDED_ATTRIBUTES_2_0
else:
return {}
@classmethod
def get_plugin_interface(cls):
return sfc.SfcPluginBase
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