tobiko/tobiko/openstack/neutron/_agent.py

93 lines
3.1 KiB
Python

# Copyright 2019 Red Hat
#
# 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 __future__ import absolute_import
import typing # noqa
import tobiko
from tobiko.openstack.neutron import _client
# Agent binary names
DHCP_AGENT = 'neutron-dhcp-agent'
L3_AGENT = 'neutron-l3-agent'
METADATA_AGENT = 'neutron-metadata-agent'
OPENVSWITCH_AGENT = 'neutron-openvswitch-agent'
OVN_CONTROLLER = 'ovn-controller'
# NOTE(slaweq) name 'networking-ovn-metadata-agent' was used up to stable/train
# release when ovn driver was stadium project,
# Since stable/ussuri, when driver was included in the Neutron repo, it is
# called 'neutron-ovn-metadata-agent'
OVN_METADATA_AGENT = 'networking-ovn-metadata-agent'
NEUTRON_OVN_METADATA_AGENT = 'neutron-ovn-metadata-agent'
class AgentNotFoundOnHost(tobiko.TobikoException):
message = ("Agent {agent_type!s} not found on the host {host!s}")
class NetworkingAgentFixture(tobiko.SharedFixture):
agents = None
def setup_fixture(self):
self.agents = _client.list_agents()
def list_networking_agents(**attributes):
return tobiko.setup_fixture(
NetworkingAgentFixture).agents.with_items(**attributes)
def missing_networking_agents(count=1, **params):
agents = list_networking_agents(**params)
return max(0, count - len(agents))
def has_networking_agents(count=1, **params):
return not missing_networking_agents(count=count, **params)
DecoratorType = typing.Callable[[typing.Union[typing.Callable, typing.Type]],
typing.Union[typing.Callable, typing.Type]]
def skip_if_missing_networking_agents(binary: typing.Optional[str] = None,
count: int = 1, **params) -> \
DecoratorType:
if binary is not None:
params['binary'] = binary
message = "missing {return_value!r} agent(s)"
if params:
message += " with {!s}".format(
', '.join("{!s}={!r}".format(k, v) for k, v in params.items()))
return tobiko.skip_if(message, missing_networking_agents, count=count,
**params)
def skip_unless_is_ovn():
'''Skip the test if OVN is not configured'''
from tobiko.tripleo import overcloud
from tobiko.tripleo import containers
if overcloud.has_overcloud():
message = "OVN is not configured"
return tobiko.skip_unless(message, containers.ovn_used_on_overcloud)
else:
return skip_if_missing_networking_agents(OVN_CONTROLLER)
def skip_unless_is_ovs():
'''Skip the test if openvswitch agent does not exist'''
return skip_if_missing_networking_agents(OPENVSWITCH_AGENT)