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# Copyright (c) 2012 Nebula, Inc.
# 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.
"""The server password extension."""
from nova.api.metadata import password
from nova.api.openstack import common
from nova.api.openstack import wsgi
from nova.compute import api as compute
from nova.policies import server_password as sp_policies
class ServerPasswordController(wsgi.Controller):
"""The Server Password API controller for the OpenStack API."""
def __init__(self):
super(ServerPasswordController, self).__init__()
self.compute_api = compute.API()
@wsgi.expected_errors(404)
def index(self, req, server_id):
context = req.environ['nova.context']
instance = common.get_instance(self.compute_api, context, server_id)
context.can(sp_policies.BASE_POLICY_NAME % 'show',
target={'project_id': instance.project_id})
passw = password.extract_password(instance)
return {'password': passw or ''}
@wsgi.expected_errors(404)
@wsgi.response(204)
def clear(self, req, server_id):
"""Removes the encrypted server password from the metadata server
Note that this does not actually change the instance server
password.
"""
context = req.environ['nova.context']
instance = common.get_instance(self.compute_api, context, server_id)
context.can(sp_policies.BASE_POLICY_NAME % 'clear',
target={'project_id': instance.project_id})
meta = password.convert_password(context, None)
instance.system_metadata.update(meta)
instance.save()
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