vmware-nsx/vmware_nsx/extensions/dhcp_mtu.py
Adit Sarfaty d4fa95168c NSX|V add dhcp-mtu extension to subnet
Add subnet extension dhcp-mtu and configure it in option26 of the dhcp binding.
Also add this column to the nsxv_subnet_ext_attributes DB table.
This option will be available only from NSX version 6.2.3

DocImpact: Added dhcp-mtu extension to subnets

Change-Id: Id2a74a3c089beb61fde6b7c0fd02b207e444c3b7
2016-07-31 09:10:32 +03:00

55 lines
1.6 KiB
Python

# Copyright 2016 VMware, 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.api import extensions
from neutron_lib import constants
DHCP_MTU = 'dhcp_mtu'
EXTENDED_ATTRIBUTES_2_0 = {
'subnets': {
DHCP_MTU: {
'allow_post': True, 'allow_put': True,
'default': constants.ATTR_NOT_SPECIFIED,
# This is the legal range for the backend MTU
'validate': {'type:range': (68, 65535)},
'is_visible': True},
}
}
class Dhcp_mtu(extensions.ExtensionDescriptor):
"""Extension class supporting DHCP MTU for subnets."""
@classmethod
def get_name(cls):
return "DHCP MTU"
@classmethod
def get_alias(cls):
return "dhcp-mtu"
@classmethod
def get_description(cls):
return "Enable the ability to add DHCP MTU for Subnets"
@classmethod
def get_updated(cls):
return "2016-7-21T10:00:00-00:00"
def get_extended_resources(self, version):
if version == "2.0":
return EXTENDED_ATTRIBUTES_2_0
return {}