ovn-octavia-provider/ovn_octavia_provider/common/utils.py

61 lines
2.3 KiB
Python

# 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 oslo_utils import netutils
from ovn_octavia_provider.common import constants
def ovn_uuid(name):
# Get the UUID of a neutron OVN entry (neutron-<UUID>)
return name.replace(constants.OVN_NAME_PREFIX, '')
def ovn_name(id):
# The name of the OVN entry will be neutron-<UUID>
# This is due to the fact that the OVN application checks if the name
# is a UUID. If so then there will be no matches.
# We prefix the UUID to enable us to use the Neutron UUID when
# updating, deleting etc.
# To be sure that just one prefix is used, we will check it before
# return concatenation.
if not id.startswith(constants.OVN_NAME_PREFIX):
return constants.OVN_NAME_PREFIX + '%s' % id
return id
def ovn_lrouter_port_name(id):
# The name of the OVN lrouter port entry will be lrp-<UUID>
# This is to distinguish with the name of the connected lswitch patch port,
# which is named with neutron port uuid, so that OVS patch ports are
# generated properly. The pairing patch port names will be:
# - patch-lrp-<UUID>-to-<UUID>
# - patch-<UUID>-to-lrp-<UUID>
# lrp stands for Logical Router Port
return constants.LRP_PREFIX + '%s' % id
def remove_macs_from_lsp_addresses(addresses):
"""Remove the mac addreses from the Logical_Switch_Port addresses column.
:param addresses: The list of addresses from the Logical_Switch_Port.
Example: ["80:fa:5b:06:72:b7 158.36.44.22",
"ff:ff:ff:ff:ff:ff 10.0.0.2"]
:returns: A list of IP addesses (v4 and v6)
"""
ip_list = []
for addr in addresses:
ip_list.extend([x for x in addr.split() if
(netutils.is_valid_ipv4(x) or
netutils.is_valid_ipv6(x))])
return ip_list