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# Copyright 2013 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.
import webob
from nova.api.openstack import wsgi
import nova.conf
from nova import context as nova_context
from nova.i18n import _
from nova import objects
from nova.policies import console_auth_tokens as cat_policies
CONF = nova.conf.CONF
class ConsoleAuthTokensController(wsgi.Controller):
def _show(self, req, id, rdp_only):
"""Checks a console auth token and returns the related connect info."""
context = req.environ['nova.context']
context.can(cat_policies.BASE_POLICY_NAME)
token = id
if not token:
msg = _("token not provided")
raise webob.exc.HTTPBadRequest(explanation=msg)
connect_info = None
results = nova_context.scatter_gather_skip_cell0(
context, objects.ConsoleAuthToken.validate, token)
# NOTE(melwitt): Console token auths are stored in cell databases,
# but with only the token as a request param, we can't know which
# cell database contains the token's corresponding connection info.
# So, we must query all cells for the info and we can break the
# loop as soon as we find a result because the token is associated
# with one instance, which can only be in one cell.
for result in results.values():
if not nova_context.is_cell_failure_sentinel(result):
connect_info = result
break
if not connect_info:
raise webob.exc.HTTPNotFound(explanation=_("Token not found"))
console_type = connect_info.console_type
if rdp_only and console_type != "rdp-html5":
raise webob.exc.HTTPUnauthorized(
explanation=_("The requested console type details are not "
"accessible"))
return {'console': {
'instance_uuid': connect_info.instance_uuid,
'host': connect_info.host,
'port': connect_info.port,
'internal_access_path': connect_info.internal_access_path,
}}
@wsgi.Controller.api_version("2.1", "2.30")
@wsgi.expected_errors((400, 401, 404))
def show(self, req, id):
return self._show(req, id, True)
@wsgi.Controller.api_version("2.31") # noqa
@wsgi.expected_errors((400, 404))
def show(self, req, id): # noqa
return self._show(req, id, False)
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