deb-murano/murano/common/auth_utils.py
Henar Muñoz Frutos 0fb5b904f9 Default Region Configuration Property
It provides a configuration property region_name_for_services which contains
a default region name used to get services endpoints in the case that they are
several regions

Closes Bug: #1479260

Change-Id: I8ca3ee5aebd54c177b958327fdaa5906aa6a4cb2
2015-08-19 10:50:05 +02:00

105 lines
3.2 KiB
Python

# Copyright (c) 2014 Mirantis, Inc.
#
# 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.
from keystoneclient.v3 import client as ks_client
from oslo_config import cfg
from oslo_utils import importutils
def get_client(token, tenant_id):
settings = _get_keystone_settings()
kwargs = {
'token': token,
'tenant_id': tenant_id,
'auth_url': settings['auth_url']
}
kwargs.update(settings['ssl'])
kwargs['region_name'] = settings['region_name']
keystone = ks_client.Client(**kwargs)
keystone.management_url = settings['auth_url']
return keystone
def get_client_for_admin(project_name):
return _admin_client(project_name=project_name)
def _admin_client(trust_id=None, project_name=None):
settings = _get_keystone_settings()
kwargs = {
'project_name': project_name,
'trust_id': trust_id
}
for key in ('username', 'password', 'auth_url'):
kwargs[key] = settings[key]
kwargs.update(settings['ssl'])
kwargs['region_name'] = settings['region_name']
client = ks_client.Client(**kwargs)
# without resetting this attributes keystone client cannot re-authenticate
client.project_id = None
client.project_name = None
client.management_url = settings['auth_url']
return client
def get_client_for_trusts(trust_id):
return _admin_client(trust_id)
def create_trust(token, tenant_id):
client = get_client(token, tenant_id)
settings = _get_keystone_settings()
trustee_id = get_client_for_admin(
settings['project_name']).user_id
roles = [t['name'] for t in client.auth_ref['roles']]
trust = client.trusts.create(trustor_user=client.user_id,
trustee_user=trustee_id,
impersonation=True,
role_names=roles,
project=tenant_id)
return trust.id
def delete_trust(trust_id):
keystone_client = get_client_for_trusts(trust_id)
keystone_client.trusts.delete(trust_id)
def _get_keystone_settings():
importutils.import_module('keystonemiddleware.auth_token')
return {
'auth_url': cfg.CONF.keystone_authtoken.auth_uri.replace('v2.0', 'v3'),
'username': cfg.CONF.keystone_authtoken.admin_user,
'password': cfg.CONF.keystone_authtoken.admin_password,
'project_name': cfg.CONF.keystone_authtoken.admin_tenant_name,
'ssl': {
'cacert': cfg.CONF.keystone.ca_file,
'insecure': cfg.CONF.keystone.insecure,
'cert': cfg.CONF.keystone.cert_file,
'key': cfg.CONF.keystone.key_file,
},
'region_name': cfg.CONF.murano.region_name_for_services
}