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# Copyright (c) 2015 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.
import logging
import subprocess
LOG = logging.getLogger(__name__)
def _connection_to_manager_uri(conn_uri):
proto, addr = conn_uri.split(':', 1)
if ':' in addr:
ip, port = addr.split(':', 1)
return 'p%s:%s:%s' % (proto, port, ip)
return 'p%s:%s' % (proto, addr)
# TODO(jlibosva): Get rid of this runtime configuration and raise a message to
# set Manager outside of ovsdbapp.
def enable_connection_uri(conn_uri, execute=None, **kwargs):
timeout = kwargs.pop('timeout', 5)
# NOTE(ralonsoh): the command timeout , "timeout", is defined in seconds;
# the probe timeout is defined in milliseconds. If "timeout" is used, must
# be converted to ms.
probe = (timeout * 1000 if kwargs.pop('set_timeout', None) else
kwargs.pop('inactivity_probe', None))
man_uri = _connection_to_manager_uri(conn_uri)
cmd = ['ovs-vsctl', '--timeout=%d' % timeout, '--id=@manager',
'--', 'create', 'Manager', 'target="%s"' % man_uri,
'--', 'add', 'Open_vSwitch', '.', 'manager_options', '@manager']
if probe is not None:
cmd += ['--', 'set', 'Manager', man_uri, 'inactivity_probe=%s' % probe]
if execute:
return execute(cmd, **kwargs).rstrip()
else:
obj = subprocess.Popen(['sudo'] + cmd, shell=False,
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
out, err = obj.communicate()
if err:
LOG.debug(err) # will fail if target already exists
return out.rstrip()
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