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# Copyright 2014 OpenStack Foundation
#
# 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.
"""OpenStackClient plugin for Messaging service."""
from osc_lib import utils
from oslo_log import log as logging
LOG = logging.getLogger(__name__)
DEFAULT_QUEUES_API_VERSION = '2'
API_VERSION_OPTION = 'os_queues_api_version'
API_NAME = "messaging"
API_VERSIONS = {
"2": "zaqarclient.queues.v2.client.Client",
}
_MESSAGING_ENDPOINT = None
def make_client(instance):
"""Returns an queues service client."""
global _MESSAGING_ENDPOINT
version = instance._api_version[API_NAME]
try:
version = int(version)
except ValueError:
version = float(version)
queues_client = utils.get_client_class(
API_NAME,
version,
API_VERSIONS)
# TODO(wangxiyuan): Use public attributes instead of private attributes.
if not _MESSAGING_ENDPOINT:
_MESSAGING_ENDPOINT = instance.get_endpoint_for_service_type(
API_NAME,
region_name=instance._region_name,
interface=instance._interface
)
auth_params = instance.get_configuration()['auth']
auth_params.update({
"auth_token": instance.auth.get_token(instance.session),
"insecure": instance._insecure,
"cacert": instance._cacert,
"region_name": instance._region_name
})
conf = {
"auth_opts": {'options': auth_params}
}
LOG.debug('Instantiating queues service client: %s', queues_client)
return queues_client(
_MESSAGING_ENDPOINT,
version,
conf
)
def build_option_parser(parser):
"""Hook to add global options."""
parser.add_argument(
'--os-queues-api-version',
metavar='<queues-api-version>',
default=utils.env(
'OS_QUEUES_API_VERSION',
default=DEFAULT_QUEUES_API_VERSION),
help=('Queues API version, default=' +
DEFAULT_QUEUES_API_VERSION +
' (Env: OS_QUEUES_API_VERSION)'))
return parser
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