# Copyright 2016 Cloudbase Solutions Srl
# All 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 oslo_policy import policy

from nova.policies import base


BASE_POLICY_NAME = 'os_compute_api:os-server-usage'


server_usage_policies = [
    policy.DocumentedRuleDefault(
        BASE_POLICY_NAME,
        base.RULE_ADMIN_OR_OWNER,
        """Add 'OS-SRV-USG:launched_at' & 'OS-SRV-USG:terminated_at' attribute
in the server response.

This check is performed only after the check
'os_compute_api:servers:show' for GET /servers/{id} and
'os_compute_api:servers:detail' for GET /servers/detail passes""",


        [
            {
                'method': 'GET',
                'path': '/servers/{id}'
            },
            {
                'method': 'GET',
                'path': '/servers/detail'
            }
        ],
        deprecated_for_removal=True,
        deprecated_reason=(
            'Nova API extension concept has been removed in Pike. Those '
            'extensions have their own policies enforcement. As there is '
            'no extensions now, "os_compute_api:os-server-usage" policy '
            'which was added for extensions is not needed any more'
        ),
        deprecated_since='17.0.0'),
]


def list_rules():
    return server_usage_policies