# Copyright 2017 AT&T Intellectual Property.  All other rights reserved.
#
# 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 keystoneauth1 import loading as ks_loading
from oslo_config import cfg

CONF = cfg.CONF


barbican_group = cfg.OptGroup(
    name='barbican',
    title='Barbican Options',
    help="""
Barbican options for allowing Deckhand to communicate with Barbican.
""")

barbican_opts = [
    cfg.StrOpt(
        'api_endpoint',
        sample_default='http://barbican.example.org:9311/',
        help='URL override for the Barbican API endpoint.'),
]


context_opts = [
    cfg.BoolOpt('allow_anonymous_access', default=False,
                help="""
Allow limited access to unauthenticated users.

Assign a boolean to determine API access for unathenticated
users. When set to False, the API cannot be accessed by
unauthenticated users. When set to True, unauthenticated users can
access the API with read-only privileges. This however only applies
when using ContextMiddleware.

Possible values:
    * True
    * False
"""),
]


def register_opts(conf):
    conf.register_group(barbican_group)
    conf.register_opts(barbican_opts, group=barbican_group)
    conf.register_opts(context_opts)
    ks_loading.register_auth_conf_options(conf, group=barbican_group.name)
    ks_loading.register_session_conf_options(conf, group=barbican_group.name)


def list_opts():
    opts = {None: context_opts,
            barbican_group: barbican_opts +
                            ks_loading.get_session_conf_options() +
                            ks_loading.get_auth_common_conf_options() +
                            ks_loading.get_auth_plugin_conf_options(
                                'v3password')}
    return opts


register_opts(CONF)