4d52b903eb
If it is IPv6 then adding [] to it before creating the connection string. Change-Id: Idd108cbef944cdd89808bb1ad5c8ab1db202d31a Closes-Bug: #1846494
59 lines
1.9 KiB
Python
59 lines
1.9 KiB
Python
# Copyright 2013 IBM Corp.
|
|
# 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.
|
|
|
|
"""
|
|
IPv6-related utilities and helper functions.
|
|
"""
|
|
import netaddr
|
|
from neutron_lib import constants as const
|
|
from oslo_log import log
|
|
from oslo_utils import netutils
|
|
|
|
LOG = log.getLogger(__name__)
|
|
|
|
|
|
def is_auto_address_subnet(subnet):
|
|
"""Check if subnet is an auto address subnet."""
|
|
modes = [const.IPV6_SLAAC, const.DHCPV6_STATELESS]
|
|
return (subnet['ipv6_address_mode'] in modes or
|
|
subnet['ipv6_ra_mode'] in modes)
|
|
|
|
|
|
def is_eui64_address(ip_address):
|
|
"""Check if ip address is EUI64."""
|
|
ip = netaddr.IPAddress(ip_address)
|
|
# '0xfffe' addition is used to build EUI-64 from MAC (RFC4291)
|
|
# Look for it in the middle of the EUI-64 part of address
|
|
return ip.version == 6 and not ((ip & 0xffff000000) ^ 0xfffe000000)
|
|
|
|
|
|
def is_ipv6_pd_enabled(subnet):
|
|
"""Returns True if the subnetpool_id of the given subnet is equal to
|
|
constants.IPV6_PD_POOL_ID
|
|
"""
|
|
return subnet.get('subnetpool_id') == const.IPV6_PD_POOL_ID
|
|
|
|
|
|
def valid_ipv6_url(host, port):
|
|
"""Given a host and a port returns a valid URL
|
|
RFC2732 https://tools.ietf.org/html/rfc2732
|
|
square brackets always required in ipv6 URI.
|
|
"""
|
|
if netutils.is_valid_ipv6(host):
|
|
uri = '[%s]:%s' % (host, port)
|
|
else:
|
|
uri = '%s:%s' % (host, port)
|
|
return uri
|