neutron/neutron/tests/common/exclusive_resources/port.py
Isaku Yamahata 7d42176853 ovsdb: don't erase existing ovsdb managers
The current existing agent erases already set ovsdb managers
entries. In some use cases, cloud admin sets ovsdb managers.
eg, for SDN controllers or monitoring purpose. Neutron agent
shouldn't unconditionally erase the existing ovsdb managers.

This patch implements a new api add_manager (along with
get_manager and remove_manager) to the ovsdb api which will
allow us to configure a manager on a switch without overriding
the existing managers.

Closes-Bug: #1614766
Change-Id: Ibf9bd02fac3070d166546cac478ef984e4e43f28
Co-Authored-By: sridhargaddam <sgaddam@redhat.com>
Co-Authored-By: Terry Wilson <twilson@redhat.com>
2016-11-23 07:21:08 +00:00

37 lines
1.2 KiB
Python

# Copyright 2016 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 functools
from neutron.tests.common.exclusive_resources import resource_allocator
from neutron.tests.common import net_helpers
class ExclusivePort(resource_allocator.ExclusiveResource):
"""Allocate a unique port for a specific protocol.
:ivar port: allocated port
:type port: int
"""
def __init__(self, protocol, start=1024, end=None):
super(ExclusivePort, self).__init__(
'ports',
functools.partial(net_helpers.get_free_namespace_port, protocol,
start=start, end=end))
def _setUp(self):
super(ExclusivePort, self)._setUp()
self.port = self.resource