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# Copyright 2013, 2016 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
import re
from config_tempest import constants as C
from config_tempest.services.base import ServiceError
from config_tempest.services.base import VersionedService
from config_tempest import utils
from tempest.lib import exceptions
class VolumeService(VersionedService):
def set_extensions(self):
body = self.do_get(self.service_url + '/extensions')
body = json.loads(body)
self.extensions = list(map(lambda x: x['alias'], body['extensions']))
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 get_volume_pools(self):
body = self.do_get(self.service_url + '/scheduler-stats/get_pools')
body = json.loads(body)
return body
def set_default_tempest_options(self, conf):
if 'v3' in self.service_url:
m_vs = self.filter_api_microversions()
conf.set('volume', 'min_microversion', m_vs['min_microversion'])
conf.set('volume', 'max_microversion', m_vs['max_microversion'])
try:
pools = self.get_volume_pools()['pools']
except exceptions.Forbidden:
C.LOG.warning("User has no permissions to list back-end storage "
"pools - storage back-ends can't be discovered.")
return
except ServiceError:
C.LOG.warning("Volume backend doesn't exist.")
return
if pools:
backends = [
re.findall(r'(\w*)@(\w*)', pool['name'])[0][1]
for pool in pools
]
conf.set('volume', 'backend_names', ','.join(backends))
if len(backends) > 1:
conf.set('volume-feature-enabled', 'multi_backend', 'True')
def get_service_extension_key(self):
return 'api_extensions'
@staticmethod
def get_codename():
return 'cinder'
def get_feature_name(self):
return 'volume'
def get_unversioned_service_type(self):
return 'volume'
@staticmethod
def get_service_type():
return ['volumev3']
def post_configuration(self, conf, is_service):
# Verify if the cinder backup service is enabled
if not is_service(name=self.name):
C.LOG.info("No volume service found, "
"skipping backup service check")
conf.set('volume-feature-enabled', 'backup', 'False')
return
try:
params = {'binary': 'cinder-backup'}
is_backup = self.client.list_services(**params)
except exceptions.Forbidden:
C.LOG.warning("User has no permissions to list services - "
"cinder-backup service can't be discovered.")
conf.set('volume-feature-enabled', 'backup', 'False')
return
if is_backup:
services = is_backup['services']
backup_enabled = 'False'
for service in services:
if service['state'] == 'up':
backup_enabled = 'True'
break
# post_configuration method is called with every volume (v2,
# v3) service, therefore set the value with priority so that it
# can't be overrided by this method called from other instance
# of volume service
conf.set('volume-feature-enabled', 'backup', backup_enabled,
priority=True)
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