138 lines
4.5 KiB
Python
138 lines
4.5 KiB
Python
# (C) Copyright 2014-2016 Hewlett Packard Enterprise Development LP
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# Copyright 2017 Fujitsu LIMITED
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import warnings
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from keystoneauth1 import identity
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from keystoneauth1 import session
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from monascaclient.osc import migration
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from monascaclient import version
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_NO_VALUE_MARKER = object()
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def Client(api_version, *args, **kwargs):
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handle_deprecated(args, kwargs)
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auth = _get_auth_handler(kwargs)
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sess = _get_session(auth, kwargs)
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client = migration.make_client(
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api_version=api_version,
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session=sess,
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endpoint=kwargs.get('endpoint'),
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service_type=kwargs.get('service_type', 'monitoring')
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)
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return client
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def handle_deprecated(args, kwargs):
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"""Handles all deprecations
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Method goes through passed args and kwargs
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and handles all values that are invalid from POV
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of current client but:
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* has their counterparts
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* are candidates to be dropped
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"""
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kwargs.update(_handle_deprecated_args(args))
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_handle_deprecated_kwargs(kwargs)
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def _handle_deprecated_kwargs(kwargs):
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depr_map = {
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'tenant_name': ('project_name', lambda x: x),
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'insecure': ('verify', lambda x: not x)
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}
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for key, new_key_transform in depr_map.items():
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val = kwargs.get(key, _NO_VALUE_MARKER)
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if val != _NO_VALUE_MARKER:
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new_key = new_key_transform[0]
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new_handler = new_key_transform[1]
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warnings.warn(
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'Usage of {old_key} has been deprecated in favour '
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'of {new_key}. monascaclient will place value of {old_key} '
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'under {new_key}'.format(old_key=key, new_key=new_key),
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DeprecationWarning
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)
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kwargs[new_key] = new_handler(val)
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del kwargs[key]
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def _handle_deprecated_args(args):
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kwargs_update = {}
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if args is not None and len(args) > 0:
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warnings.warn(
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'Usage or args is deprecated for the sake of '
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'explicit configuration of the client using '
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'named arguments (**kwargs). '
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'That argument will be removed in future releases.',
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DeprecationWarning
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)
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# have all permissible args set here
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kwargs_update.update({
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'endpoint': args[0]
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})
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return kwargs_update
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def _get_session(auth, kwargs):
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return session.Session(auth=auth,
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app_name='monascaclient',
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app_version=version.version_string,
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cert=kwargs.get('cert', None),
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timeout=kwargs.get('timeout', None),
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verify=kwargs.get('verify', True))
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def _get_auth_handler(kwargs):
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if 'token' in kwargs:
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auth = identity.Token(
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auth_url=kwargs.get('auth_url', None),
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token=kwargs.get('token', None),
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project_id=kwargs.get('project_id', None),
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project_name=kwargs.get('project_name', None),
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project_domain_id=kwargs.get('project_domain_id', None),
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project_domain_name=kwargs.get('project_domain_name', None)
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)
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elif {'username', 'password'} <= set(kwargs):
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auth = identity.Password(
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auth_url=kwargs.get('auth_url', None),
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username=kwargs.get('username', None),
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password=kwargs.get('password', None),
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project_id=kwargs.get('project_id', None),
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project_name=kwargs.get('project_name', None),
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project_domain_id=kwargs.get('project_domain_id', None),
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project_domain_name=kwargs.get('project_domain_name', None),
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user_domain_id=kwargs.get('user_domain_id', None),
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user_domain_name=kwargs.get('user_domain_name', None)
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)
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else:
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raise Exception('monascaclient can be configured with either '
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'"token" or "username:password" but neither of '
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'them was found in passed arguments.')
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return auth
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