ovn-bgp-agent/ovn_bgp_agent/privileged/ovs_vsctl.py
Luis Tomas Bolivar 892e43ac0b Ensure ovs-ofctl command works with different flow formats
Depending on the ovs version, different OpenFlow formats are needed
This commit does not add a specific format, and only if it fails with
ProcessExecutionError it tries with OpenFlow13

Change-Id: I1a5028ff3b91603c0ac1739c248797d367bc40c7
2021-11-22 18:26:14 +01:00

43 lines
1.4 KiB
Python

# Copyright 2021 Red Hat, Inc.
#
# 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_concurrency import processutils
from oslo_log import log as logging
import ovn_bgp_agent.privileged.ovs_vsctl
LOG = logging.getLogger(__name__)
@ovn_bgp_agent.privileged.ovs_vsctl_cmd.entrypoint
def ovs_cmd(command, args, timeout=None):
full_args = [command]
if timeout is not None:
full_args += ['--timeout=%s' % timeout]
full_args += args
try:
return processutils.execute(*full_args)
except processutils.ProcessExecutionError:
full_args += ['-O', 'OpenFlow13']
try:
return processutils.execute(*full_args)
except Exception as e:
LOG.exception("Unable to execute %s %s. Exception: %s",
command, full_args, e)
raise
except Exception as e:
LOG.exception("Unable to execute %s %s. Exception: %s", command,
full_args, e)
raise