242 lines
9.4 KiB
Python
242 lines
9.4 KiB
Python
# Copyright (c) 2014 Hewlett-Packard Development Company, L.P.
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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 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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from oslo_concurrency import lockutils
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from tempest import clients
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from tempest.common import dynamic_creds
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from tempest.common import preprov_creds
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from tempest import config
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from tempest import exceptions
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from tempest.lib import auth
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CONF = config.CONF
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"""This module provides factories of credential and credential providers
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Credentials providers and clients are (going to be) part of tempest.lib,
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and so they may not hold any dependency to tempest configuration.
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Methods in this module collect the relevant configuration details and pass
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them to credentials providers and clients, so that test can have easy
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access to these features.
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Client managers with hard-coded configured credentials are also moved here,
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to avoid circular dependencies."""
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# === Credential Providers
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# Subset of the parameters of credential providers that depend on configuration
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def _get_common_provider_params():
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return {
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'credentials_domain': CONF.auth.default_credentials_domain_name,
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'admin_role': CONF.identity.admin_role
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}
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def _get_dynamic_provider_params():
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return _get_common_provider_params()
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def _get_preprov_provider_params():
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_common_params = _get_common_provider_params()
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reseller_admin_role = CONF.object_storage.reseller_admin_role
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return dict(_common_params, **dict([
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('accounts_lock_dir', lockutils.get_lock_path(CONF)),
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('test_accounts_file', CONF.auth.test_accounts_file),
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('object_storage_operator_role', CONF.object_storage.operator_role),
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('object_storage_reseller_admin_role', reseller_admin_role)
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]))
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# Return the right implementation of CredentialProvider based on config
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# Dropping interface and password, as they are never used anyways
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# TODO(andreaf) Drop them from the CredentialsProvider interface completely
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def get_credentials_provider(name, network_resources=None,
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force_tenant_isolation=False,
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identity_version=None):
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# If a test requires a new account to work, it can have it via forcing
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# dynamic credentials. A new account will be produced only for that test.
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# In case admin credentials are not available for the account creation,
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# the test should be skipped else it would fail.
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identity_version = identity_version or CONF.identity.auth_version
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if CONF.auth.use_dynamic_credentials or force_tenant_isolation:
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admin_creds = get_configured_credentials(
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'identity_admin', fill_in=True, identity_version=identity_version)
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return dynamic_creds.DynamicCredentialProvider(
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name=name,
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network_resources=network_resources,
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identity_version=identity_version,
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admin_creds=admin_creds,
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**_get_dynamic_provider_params())
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else:
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if CONF.auth.test_accounts_file:
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# Most params are not relevant for pre-created accounts
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return preprov_creds.PreProvisionedCredentialProvider(
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name=name, identity_version=identity_version,
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**_get_preprov_provider_params())
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else:
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raise exceptions.InvalidConfiguration(
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'A valid credential provider is needed')
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# We want a helper function here to check and see if admin credentials
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# are available so we can do a single call from skip_checks if admin
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# creds area available.
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# This depends on identity_version as there may be admin credentials
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# available for v2 but not for v3.
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def is_admin_available(identity_version):
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is_admin = True
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# If dynamic credentials is enabled admin will be available
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if CONF.auth.use_dynamic_credentials:
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return is_admin
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# Check whether test accounts file has the admin specified or not
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elif CONF.auth.test_accounts_file:
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check_accounts = preprov_creds.PreProvisionedCredentialProvider(
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identity_version=identity_version, name='check_admin',
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**_get_preprov_provider_params())
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if not check_accounts.admin_available():
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is_admin = False
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else:
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try:
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get_configured_credentials('identity_admin', fill_in=False,
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identity_version=identity_version)
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except exceptions.InvalidConfiguration:
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is_admin = False
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return is_admin
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# We want a helper function here to check and see if alt credentials
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# are available so we can do a single call from skip_checks if alt
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# creds area available.
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# This depends on identity_version as there may be alt credentials
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# available for v2 but not for v3.
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def is_alt_available(identity_version):
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# If dynamic credentials is enabled alt will be available
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if CONF.auth.use_dynamic_credentials:
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return True
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# Check whether test accounts file has the admin specified or not
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if CONF.auth.test_accounts_file:
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check_accounts = preprov_creds.PreProvisionedCredentialProvider(
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identity_version=identity_version, name='check_alt',
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**_get_preprov_provider_params())
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else:
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raise exceptions.InvalidConfiguration(
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'A valid credential provider is needed')
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try:
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if not check_accounts.is_multi_user():
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return False
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else:
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return True
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except exceptions.InvalidConfiguration:
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return False
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# === Credentials
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# Type of credentials available from configuration
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CREDENTIAL_TYPES = {
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'identity_admin': ('auth', 'admin'),
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'user': ('identity', None),
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'alt_user': ('identity', 'alt')
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}
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DEFAULT_PARAMS = {
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'disable_ssl_certificate_validation':
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CONF.identity.disable_ssl_certificate_validation,
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'ca_certs': CONF.identity.ca_certificates_file,
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'trace_requests': CONF.debug.trace_requests
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}
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# Read credentials from configuration, builds a Credentials object
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# based on the specified or configured version
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def get_configured_credentials(credential_type, fill_in=True,
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identity_version=None):
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identity_version = identity_version or CONF.identity.auth_version
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if identity_version not in ('v2', 'v3'):
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raise exceptions.InvalidConfiguration(
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'Unsupported auth version: %s' % identity_version)
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if credential_type not in CREDENTIAL_TYPES:
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raise exceptions.InvalidCredentials()
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conf_attributes = ['username', 'password', 'project_name']
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if identity_version == 'v3':
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conf_attributes.append('domain_name')
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# Read the parts of credentials from config
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params = DEFAULT_PARAMS.copy()
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section, prefix = CREDENTIAL_TYPES[credential_type]
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for attr in conf_attributes:
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_section = getattr(CONF, section)
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if prefix is None:
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params[attr] = getattr(_section, attr)
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else:
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params[attr] = getattr(_section, prefix + "_" + attr)
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# Build and validate credentials. We are reading configured credentials,
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# so validate them even if fill_in is False
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credentials = get_credentials(fill_in=fill_in,
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identity_version=identity_version, **params)
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if not fill_in:
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if not credentials.is_valid():
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msg = ("The %s credentials are incorrectly set in the config file."
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" Double check that all required values are assigned" %
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credential_type)
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raise exceptions.InvalidConfiguration(msg)
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return credentials
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# Wrapper around auth.get_credentials to use the configured identity version
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# is none is specified
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def get_credentials(fill_in=True, identity_version=None, **kwargs):
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params = dict(DEFAULT_PARAMS, **kwargs)
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identity_version = identity_version or CONF.identity.auth_version
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# In case of "v3" add the domain from config if not specified
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if identity_version == 'v3':
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domain_fields = set(x for x in auth.KeystoneV3Credentials.ATTRIBUTES
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if 'domain' in x)
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if not domain_fields.intersection(kwargs.keys()):
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domain_name = CONF.auth.default_credentials_domain_name
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params['user_domain_name'] = domain_name
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auth_url = CONF.identity.uri_v3
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else:
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auth_url = CONF.identity.uri
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return auth.get_credentials(auth_url,
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fill_in=fill_in,
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identity_version=identity_version,
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**params)
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# === Credential / client managers
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class ConfiguredUserManager(clients.Manager):
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"""Manager that uses user credentials for its managed client objects"""
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def __init__(self, service=None):
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super(ConfiguredUserManager, self).__init__(
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credentials=get_configured_credentials('user'),
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service=service)
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class AdminManager(clients.Manager):
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"""Manager that uses admin credentials for its managed client objects"""
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def __init__(self, service=None):
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super(AdminManager, self).__init__(
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credentials=get_configured_credentials('identity_admin'),
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service=service)
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