/usr/lib/python3/dist-packages/monascaclient/client.py is in python3-monascaclient 1.10.0-0ubuntu1.
This file is owned by root:root, with mode 0o644.
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# Copyright 2017 Fujitsu LIMITED
#
# 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 logging
import warnings
from keystoneauth1 import identity
from keystoneauth1 import session as k_session
from osc_lib import session as o_session
from monascaclient.osc import migration
from monascaclient import version
LOG = logging.getLogger(__name__)
_NO_VALUE_MARKER = object()
def Client(api_version, *args, **kwargs):
handle_deprecated(args, kwargs)
client = migration.make_client(
api_version=api_version,
session=_session(kwargs),
endpoint=kwargs.get('endpoint'),
service_type=kwargs.get('service_type', 'monitoring')
)
return client
def _session(kwargs):
"""Returns or reuses session.
Method takes care of providing instance of
session object for the client.
:param kwargs: all params (without api_version) client was initialized with
:type kwargs: dict
:returns: session object
:rtype union(keystoneauth1.session.Session, osc_lib.session.TimingSession)
"""
if 'session' in kwargs:
LOG.debug('Reusing session')
sess = kwargs.get('session')
expected_cls = (k_session.Session, o_session.TimingSession)
if not isinstance(sess, expected_cls):
msg = ('session should be an instance of [%s, %s]' % expected_cls)
LOG.error(msg)
raise RuntimeError(msg)
else:
LOG.debug('Initializing new session')
auth = _get_auth_handler(kwargs)
sess = _get_session(auth, kwargs)
return sess
def handle_deprecated(args, kwargs):
"""Handles all deprecations.
Method goes through passed args and kwargs
and handles all values that are invalid from POV
of current client but:
* has their counterparts
* are candidates to be dropped
"""
kwargs.update(_handle_deprecated_args(args))
_handle_deprecated_kwargs(kwargs)
def _handle_deprecated_kwargs(kwargs):
depr_map = {
'tenant_name': ('project_name', lambda x: x),
'insecure': ('verify', lambda x: not x)
}
for key, new_key_transform in depr_map.items():
val = kwargs.get(key, _NO_VALUE_MARKER)
if val != _NO_VALUE_MARKER:
new_key = new_key_transform[0]
new_handler = new_key_transform[1]
warnings.warn(
'Usage of {old_key} has been deprecated in favour '
'of {new_key}. monascaclient will place value of {old_key} '
'under {new_key}'.format(old_key=key, new_key=new_key),
DeprecationWarning
)
kwargs[new_key] = new_handler(val)
del kwargs[key]
def _handle_deprecated_args(args):
kwargs_update = {}
if args is not None and len(args) > 0:
warnings.warn(
'Usage or args is deprecated for the sake of '
'explicit configuration of the client using '
'named arguments (**kwargs). '
'That argument will be removed in future releases.',
DeprecationWarning
)
# have all permissible args set here
kwargs_update.update({
'endpoint': args[0]
})
return kwargs_update
def _get_session(auth, kwargs):
return k_session.Session(auth=auth,
app_name='monascaclient',
app_version=version.version_string,
cert=kwargs.get('cert', None),
timeout=kwargs.get('timeout', None),
verify=kwargs.get('verify', True))
def _get_auth_handler(kwargs):
if 'token' in kwargs:
auth = identity.Token(
auth_url=kwargs.get('auth_url', None),
token=kwargs.get('token', None),
project_id=kwargs.get('project_id', None),
project_name=kwargs.get('project_name', None),
project_domain_id=kwargs.get('project_domain_id', None),
project_domain_name=kwargs.get('project_domain_name', None)
)
elif {'username', 'password'} <= set(kwargs):
auth = identity.Password(
auth_url=kwargs.get('auth_url', None),
username=kwargs.get('username', None),
password=kwargs.get('password', None),
project_id=kwargs.get('project_id', None),
project_name=kwargs.get('project_name', None),
project_domain_id=kwargs.get('project_domain_id', None),
project_domain_name=kwargs.get('project_domain_name', None),
user_domain_id=kwargs.get('user_domain_id', None),
user_domain_name=kwargs.get('user_domain_name', None)
)
else:
raise Exception('monascaclient can be configured with either '
'"token" or "username:password" but neither of '
'them was found in passed arguments.')
return auth
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