trove/trove/common/neutron.py

50 lines
1.4 KiB
Python

# Copyright 2019 Catalyst Cloud Ltd.
#
# 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 trove.common import cfg
from trove.common import remote
CONF = cfg.CONF
MGMT_NETWORKS = None
def get_management_networks(context):
"""Cache the management network names.
When CONF.management_networks is changed, the Trove service needs to
restart so the global cache will be refreshed.
"""
global MGMT_NETWORKS
if MGMT_NETWORKS is not None:
return MGMT_NETWORKS
MGMT_NETWORKS = []
if len(CONF.management_networks) > 0:
neutron_client = remote.create_neutron_client(context)
for net_id in CONF.management_networks:
MGMT_NETWORKS.append(
neutron_client.show_network(net_id)['network']['name']
)
return MGMT_NETWORKS
def reset_management_networks():
"""This method is only for testing purpose."""
global MGMT_NETWORKS
MGMT_NETWORKS = None