71081e91de
For example, if users provide an api version '1' (instead of 1.X), we treat that as a request to negotiate api version with server. Change-Id: I96cc8fae3a493d9ddc4165af47d2d376ec8f2cd8
103 lines
4.5 KiB
Python
103 lines
4.5 KiB
Python
# Copyright (c) 2015 IBM Corp.
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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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import warnings
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from oslo_utils import importutils
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from zunclient import api_versions
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osprofiler_profiler = importutils.try_import("osprofiler.profiler")
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def _get_client_class_and_version(version):
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if not isinstance(version, api_versions.APIVersion):
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version = api_versions.get_api_version(version)
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else:
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api_versions.check_major_version(version)
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return version, importutils.import_class(
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'zunclient.v%s.client.Client' % version.ver_major)
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def _check_arguments(kwargs, release, deprecated_name, right_name=None):
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"""Process deprecation of arguments.
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Check presence of deprecated argument in kwargs, prints proper warning
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message, renames key to right one it needed.
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"""
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if deprecated_name in kwargs:
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if right_name:
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if right_name in kwargs:
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msg = ('The %(old)s argument is deprecated in %(release)s'
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'and its use may result in errors in future releases.'
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'As %(new)s is provided, the %(old)s argument will '
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'be ignored.') % {'old': deprecated_name,
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'release': release,
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'new': right_name}
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kwargs.pop(deprecated_name)
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else:
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msg = ('The %(old)s argument is deprecated in %(release)s '
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'and its use may result in errors in future releases. '
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'Use %(new)s instead.') % {'old': deprecated_name,
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'release': release,
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'new': right_name}
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kwargs[right_name] = kwargs.pop(deprecated_name)
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else:
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msg = ('The %(old)s argument is deprecated in %(release)s '
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'and its use may result in errors in future '
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'releases') % {'old': deprecated_name,
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'release': release}
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# NOTE(kiennt): just ignore it
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kwargs.pop(deprecated_name)
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warnings.warn(msg)
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def Client(version='1', username=None, auth_url=None, **kwargs):
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"""Initialize client objects based on given version"""
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_check_arguments(kwargs, 'Queens', 'api_key', right_name='password')
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# NOTE: OpenStack projects use 2 vars with one meaning: `endpoint_type`
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# and `interface`. `endpoint_type` is an old name which was used by
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# most OpenStack clients. Later it was replaced by `interface` in
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# keystone and later some other clients switched to new var name too.
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_check_arguments(kwargs, 'Queens', 'endpoint_type',
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right_name='interface')
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_check_arguments(kwargs, 'Queens', 'zun_url',
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right_name='endpoint_override')
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_check_arguments(kwargs, 'Queens', 'tenant_name',
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right_name='project_name')
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_check_arguments(kwargs, 'Queens', 'tenant_id', right_name='project_id')
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profile = kwargs.pop('profile', None)
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if osprofiler_profiler and profile:
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# Initialize the root of the future trace: the created trace ID
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# will be used as the very first parent to which all related
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# traces will be bound to. The given HMAC key must correspond to
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# the one set in zun-api zun.conf, otherwise the latter
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# will fail to check the request signature and will skip
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# initialization of osprofiler on the server side.
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osprofiler_profiler.init(profile)
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api_version, client_class = _get_client_class_and_version(version)
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if api_version.is_latest():
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c = client_class(api_version=api_versions.APIVersion("1.1"),
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auth_url=auth_url,
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username=username,
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**kwargs)
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api_version = api_versions.discover_version(c, api_version)
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return client_class(api_version=api_version,
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auth_url=auth_url,
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username=username,
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**kwargs)
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