162 lines
5.0 KiB
Python
162 lines
5.0 KiB
Python
# Copyright 2019 Red Hat
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from __future__ import absolute_import
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from collections import abc
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import re
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import typing
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import tobiko
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from tobiko.openstack.neutron import _client
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# Agent binary names
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DHCP_AGENT = 'neutron-dhcp-agent'
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L3_AGENT = 'neutron-l3-agent'
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METADATA_AGENT = 'neutron-metadata-agent'
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OPENVSWITCH_AGENT = 'neutron-openvswitch-agent'
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OVN_CONTROLLER = 'ovn-controller'
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# NOTE(slaweq) name 'networking-ovn-metadata-agent' was used up to stable/train
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# release when ovn driver was stadium project,
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# Since stable/ussuri, when driver was included in the Neutron repo, it is
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# called 'neutron-ovn-metadata-agent'
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OVN_METADATA_AGENT = 'networking-ovn-metadata-agent'
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NEUTRON_OVN_METADATA_AGENT = 'neutron-ovn-metadata-agent'
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class AgentNotFoundOnHost(tobiko.TobikoException):
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message = "Agent {agent_type!s} not found on the host {host!s}"
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NeutronAgentType = typing.Dict[str, typing.Any]
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def list_agents(client=None, **params) \
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-> tobiko.Selection[NeutronAgentType]:
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agents = _client.neutron_client(client).list_agents(**params)
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if isinstance(agents, abc.Mapping):
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agents = agents['agents']
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return tobiko.Selection[NeutronAgentType](agents)
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def list_l3_agent_hosting_routers(router, client=None, **params):
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agents = _client.neutron_client(client).list_l3_agent_hosting_routers(
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router, **params)
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if isinstance(agents, abc.Mapping):
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agents = agents['agents']
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return tobiko.select(agents)
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def find_l3_agent_hosting_router(router, client=None, unique=False,
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**list_params):
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agents = list_l3_agent_hosting_routers(router=router, client=client,
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**list_params)
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if unique:
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return agents.unique
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else:
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return agents.first
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def list_dhcp_agent_hosting_network(network, client=None, **params):
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agents = _client.neutron_client(client).list_dhcp_agent_hosting_networks(
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network, **params)
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if isinstance(agents, abc.Mapping):
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agents = agents['agents']
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return tobiko.select(agents)
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class NetworkingAgentFixture(tobiko.SharedFixture):
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agents = None
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def setup_fixture(self):
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self.agents = list_agents()
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def list_networking_agents(**attributes):
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return tobiko.setup_fixture(
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NetworkingAgentFixture).agents.with_items(**attributes)
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def count_networking_agents(**params) -> int:
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return len(list_networking_agents(**params))
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def missing_networking_agents(count=1, **params) -> int:
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actual_count = count_networking_agents(**params)
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return max(0, count - actual_count)
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def has_networking_agents(count=1, **params) -> bool:
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return count_networking_agents(**params) >= count
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def has_ovn() -> bool:
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return not has_ovs()
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def has_ovs() -> bool:
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return has_networking_agents(binary=OPENVSWITCH_AGENT)
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DecoratorType = typing.Callable[[typing.Union[typing.Callable, typing.Type]],
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typing.Union[typing.Callable, typing.Type]]
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AgentBinaryType = typing.Union[str, typing.Pattern[str]]
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def skip_if_missing_networking_agents(
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binary: AgentBinaryType = None,
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count: int = 1,
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**params) \
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-> DecoratorType:
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if binary is not None:
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params['binary'] = binary
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message = "missing {return_value!r} agent(s)"
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if params:
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message += " with {!s}".format(
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', '.join("{!s}={!r}".format(k, v) for k, v in params.items()))
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return tobiko.skip_if(message, missing_networking_agents, count=count,
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**params)
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def skip_unless_missing_networking_agents(
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binary: AgentBinaryType = None,
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**params) \
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-> DecoratorType:
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if binary is not None:
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params['binary'] = binary
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message = "has {return_value!r} agent(s)"
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if params:
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message += " with {!s}".format(
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', '.join("{!s}={!r}".format(k, v) for k, v in params.items()))
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return tobiko.skip_if(message, count_networking_agents, **params)
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def skip_if_is_old_ovn():
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"""Skip the test if OVN is not configured"""
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binary = re.compile(f'({OPENVSWITCH_AGENT}|{OVN_CONTROLLER})')
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return skip_if_missing_networking_agents(binary)
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def skip_unless_is_ovn():
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"""Skip the test if OVN is not configured"""
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return skip_unless_missing_networking_agents(OPENVSWITCH_AGENT)
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def skip_unless_is_ovs():
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"""Skip the test if openvswitch agent does exist"""
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return skip_if_missing_networking_agents(OPENVSWITCH_AGENT)
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