38 lines
1.3 KiB
Python
38 lines
1.3 KiB
Python
# Copyright (c) 2014 OpenStack Foundation.
|
|
# 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 oslo_log import log as logging
|
|
|
|
from neutron.agent.linux import utils as agent_utils
|
|
|
|
LOG = logging.getLogger(__name__)
|
|
|
|
|
|
# NOTE: Runtime checks are strongly discouraged in favor of sanity checks
|
|
# which would be run at system setup time. Please consider writing a
|
|
# sanity check instead.
|
|
|
|
|
|
def dhcp_release6_supported():
|
|
try:
|
|
cmd = ['dhcp_release6', '--help']
|
|
env = {'LC_ALL': 'C'}
|
|
agent_utils.execute(cmd, addl_env=env)
|
|
except (OSError, RuntimeError, IndexError, ValueError) as e:
|
|
LOG.debug("Exception while checking dhcp_release6. "
|
|
"Exception: %s", e)
|
|
return False
|
|
return True
|