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##############################################################################
# Copyright (c) 2017 NEC Corporation and others.
#
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################
import os
from keystoneauth1 import loading
from keystoneauth1 import session
def get_identity_auth(username=None, password=None, project=None):
auth_url = os.environ['OS_AUTH_URL']
username = username or os.environ['OS_USERNAME']
password = password or os.environ['OS_PASSWORD']
user_domain_name = os.environ.get('OS_USER_DOMAIN_NAME') or 'default'
user_domain_id = os.environ.get('OS_USER_DOMAIN_ID') or 'default'
project_name = project or os.environ.get('OS_PROJECT_NAME') \
or os.environ.get('OS_TENANT_NAME')
project_domain_name = os.environ.get('OS_PROJECT_DOMAIN_NAME') or 'default'
project_domain_id = os.environ.get('OS_PROJECT_DOMAIN_ID') or 'default'
loader = loading.get_plugin_loader('password')
return loader.load_from_options(
auth_url=auth_url,
username=username,
password=password,
user_domain_name=user_domain_name,
user_domain_id=user_domain_id,
project_name=project_name,
tenant_name=project_name,
project_domain_name=project_domain_name,
project_domain_id=project_domain_id)
def get_session(auth=None):
"""Get a user credentials auth session."""
if auth is None:
auth = get_identity_auth()
return session.Session(auth=auth)
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