# Copyright 2015 - 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 oslo_config import cfg


CONF = cfg.CONF


def get_rpc_info_from_oslo(additional_conf=None):
    if CONF.rpc_backend in ['rabbit', 'fake']:
        return _get_rabbit_info_from_oslo(additional_conf)
    else:
        # TODO(nmakhotkin) Implement.
        raise NotImplementedError


def _get_rabbit_info_from_oslo(additional_conf):
    return {
        'user_id': CONF.oslo_messaging_rabbit.rabbit_userid,
        'password': CONF.oslo_messaging_rabbit.rabbit_password,
        'exchange': CONF.control_exchange,
        'topic': additional_conf.topic,
        'server_id': additional_conf.host,
        'host': CONF.oslo_messaging_rabbit.rabbit_host,
        'port': CONF.oslo_messaging_rabbit.rabbit_port,
        'virtual_host': CONF.oslo_messaging_rabbit.rabbit_virtual_host,
        'durable_queues': CONF.oslo_messaging_rabbit.amqp_durable_queues,
        'auto_delete': CONF.oslo_messaging_rabbit.amqp_auto_delete
    }