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# Copyright 2013 Red Hat, Inc.
# All Rights Reserved.
#
# 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 json
from tempest.lib import exceptions
from config_tempest import constants as C
from config_tempest.services.base import VersionedService
from config_tempest import utils
class ComputeService(VersionedService):
def set_versions(self):
url_without_version = utils.get_base_url(self.service_url)
body = self.do_get(url_without_version, top_level=False)
self.versions_body = json.loads(body)
self.versions = self.deserialize_versions(self.versions_body)
def set_default_tempest_options(self, conf):
conf.set('compute-feature-enabled', 'console_output', 'True')
num_compute = self._get_number_of_hosts()
# set min_compute_nodes to enable migration tests in env
# with multiple compute nodes
conf.set('compute', 'min_compute_nodes', str(num_compute))
# Resize only works if it has at least 2 compute nodes
# or if nova has the option allow_resize_to_same_host
# set to true. Unfortunately we can't get this info from
# nova api, so we only set it when we know there's 2
# compute nodes
if num_compute >= 2:
conf.set('compute-feature-enabled', 'resize', 'True')
# set microversions
m_versions = self.filter_api_microversions()
conf.set('compute', 'min_microversion', m_versions['min_microversion'])
conf.set('compute', 'max_microversion', m_versions['max_microversion'])
def _get_number_of_hosts(self):
# Right now the client returned is hosts, in the future
# change it to a dict, and get the client as requested
try:
hosts = self.client.list_hosts()['hosts']
compute_hosts = [h for h in hosts if h['service'] == 'compute']
return len(compute_hosts)
except exceptions.Forbidden:
C.LOG.info('Can not retrieve hosts, user are not allowed')
return 1
@staticmethod
def get_service_type():
return ['compute']
@staticmethod
def get_codename():
return 'nova'
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