3046089feb
vmware_nsx/extensions/dns_search_domain.py:40: DeprecationWarning:
Using function/method 'instance.ugettext()' is deprecated: Builtin _
translation function is deprecated in OpenStack; use the function
from _i18n module for your project.
_("Name '%s' must be 1-63 characters long, each of "
TrivialFix
Change-Id: If4540986497903eb2d8a841903f568526225bf51
102 lines
3.2 KiB
Python
102 lines
3.2 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.
|
|
|
|
import re
|
|
|
|
from neutron.api import extensions
|
|
from neutron.api.v2 import attributes
|
|
|
|
from vmware_nsx._i18n import _
|
|
|
|
DNS_LABEL_MAX_LEN = 63
|
|
DNS_LABEL_REGEX = "[a-zA-Z0-9-]{1,%d}$" % DNS_LABEL_MAX_LEN
|
|
|
|
|
|
def _validate_dns_format(data):
|
|
if not data:
|
|
return
|
|
try:
|
|
# Allow values ending in period '.'
|
|
trimmed = data if not data.endswith('.') else data[:-1]
|
|
names = trimmed.split('.')
|
|
for name in names:
|
|
if not name:
|
|
raise TypeError(_("Encountered an empty component"))
|
|
if name.endswith('-') or name[0] == '-':
|
|
raise TypeError(
|
|
_("Name '%s' must not start or end with a hyphen") % name)
|
|
if not re.match(DNS_LABEL_REGEX, name):
|
|
raise TypeError(
|
|
_("Name '%s' must be 1-63 characters long, each of "
|
|
"which can only be alphanumeric or a hyphen") % name)
|
|
# RFC 1123 hints that a TLD can't be all numeric. last is a TLD if
|
|
# it's an FQDN.
|
|
if len(names) > 1 and re.match("^[0-9]+$", names[-1]):
|
|
raise TypeError(_("TLD '%s' must not be all numeric") % names[-1])
|
|
except TypeError as e:
|
|
msg = _("'%(data)s' not a valid DNS search domain. Reason: "
|
|
"%(reason)s") % {'data': data, 'reason': str(e)}
|
|
return msg
|
|
|
|
|
|
def _validate_dns_search_domain(data, max_len=attributes.NAME_MAX_LEN):
|
|
msg = attributes._validate_string(data, max_len)
|
|
if msg:
|
|
return msg
|
|
if not data:
|
|
return
|
|
msg = _validate_dns_format(data)
|
|
if msg:
|
|
return msg
|
|
|
|
|
|
attributes.validators['type:dns_search_domain'] = (_validate_dns_search_domain)
|
|
|
|
|
|
DNS_SEARCH_DOMAIN = 'dns_search_domain'
|
|
EXTENDED_ATTRIBUTES_2_0 = {
|
|
'subnets': {
|
|
DNS_SEARCH_DOMAIN: {
|
|
'allow_post': True, 'allow_put': True,
|
|
'default': attributes.ATTR_NOT_SPECIFIED,
|
|
'validate': {'type:dns_search_domain': attributes.NAME_MAX_LEN},
|
|
'is_visible': True},
|
|
}
|
|
}
|
|
|
|
|
|
class Dns_search_domain(extensions.ExtensionDescriptor):
|
|
"""Extension class supporting dns search domains for subnets."""
|
|
|
|
@classmethod
|
|
def get_name(cls):
|
|
return "DNS search Domains"
|
|
|
|
@classmethod
|
|
def get_alias(cls):
|
|
return "dns-search-domain"
|
|
|
|
@classmethod
|
|
def get_description(cls):
|
|
return "Enable the ability to add DNS search domain name for Subnets"
|
|
|
|
@classmethod
|
|
def get_updated(cls):
|
|
return "2016-1-22T10:00:00-00:00"
|
|
|
|
def get_extended_resources(self, version):
|
|
if version == "2.0":
|
|
return EXTENDED_ATTRIBUTES_2_0
|
|
return {}
|