tobiko/tobiko/openstack/nova/_client.py

77 lines
2.2 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
from novaclient import client as novaclient
from novaclient.v2 import client as client_v2
import tobiko
from tobiko.openstack import _client
CLIENT_CLASSES = (client_v2.Client,)
class NovaClientFixture(_client.OpenstackClientFixture):
def init_client(self, session):
return novaclient.Client('2', session=session)
class NovaClientManager(_client.OpenstackClientManager):
def create_client(self, session):
return NovaClientFixture(session=session)
CLIENTS = NovaClientManager()
def nova_client(obj):
if not obj:
return get_nova_client()
if isinstance(obj, CLIENT_CLASSES):
return obj
fixture = tobiko.setup_fixture(obj)
if isinstance(fixture, NovaClientFixture):
return fixture.client
message = "Object {!r} is not a NovaClientFixture".format(obj)
raise TypeError(message)
def get_nova_client(session=None, shared=True, init_client=None,
manager=None):
manager = manager or CLIENTS
client = manager.get_client(session=session, shared=shared,
init_client=init_client)
tobiko.setup_fixture(client)
return client.client
def list_hypervisors(client=None, detailed=True, **params):
client = nova_client(client)
hypervisors = client.hypervisors.list(detailed=detailed)
return tobiko.select(hypervisors).with_attributes(**params)
def find_hypervisor(client=None, unique=False, **params):
hypervisors = list_hypervisors(client=client, **params)
if unique:
return hypervisors.unique
else:
return hypervisors.first