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# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2012 OpenStack Foundation
#
# 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 extensions
from nova.api.openstack import wsgi
from nova import compute
from nova import exception
from nova.openstack.common import log as logging
LOG = logging.getLogger(__name__)
authorize = extensions.extension_authorizer('compute', 'consoles')
class ConsolesController(wsgi.Controller):
def __init__(self, *args, **kwargs):
self.compute_api = compute.API()
super(ConsolesController, self).__init__(*args, **kwargs)
@wsgi.action('os-getVNCConsole')
def get_vnc_console(self, req, id, body):
"""Get text console output."""
context = req.environ['nova.context']
authorize(context)
# If type is not supplied or unknown, get_vnc_console below will cope
console_type = body['os-getVNCConsole'].get('type')
try:
instance = self.compute_api.get(context, id)
output = self.compute_api.get_vnc_console(context,
instance,
console_type)
except exception.InstanceNotFound as e:
raise webob.exc.HTTPNotFound(explanation=e.format_message())
except exception.InstanceNotReady as e:
raise webob.exc.HTTPConflict(
explanation=_('Instance not yet ready'))
return {'console': {'type': console_type, 'url': output['url']}}
@wsgi.action('os-getSPICEConsole')
def get_spice_console(self, req, id, body):
"""Get text console output."""
context = req.environ['nova.context']
authorize(context)
# If type is not supplied or unknown, get_spice_console below will cope
console_type = body['os-getSPICEConsole'].get('type')
try:
instance = self.compute_api.get(context, id)
output = self.compute_api.get_spice_console(context,
instance,
console_type)
except exception.InstanceNotFound as e:
raise webob.exc.HTTPNotFound(explanation=e.format_message())
except exception.InstanceNotReady as e:
raise webob.exc.HTTPConflict(explanation=e.format_message())
return {'console': {'type': console_type, 'url': output['url']}}
def get_actions(self):
"""Return the actions the extension adds, as required by contract."""
actions = [extensions.ActionExtension("servers", "os-getVNCConsole",
self.get_vnc_console),
extensions.ActionExtension("servers", "os-getSPICEConsole",
self.get_spice_console)]
return actions
class Consoles(extensions.ExtensionDescriptor):
"""Interactive Console support."""
name = "Consoles"
alias = "os-consoles"
namespace = "http://docs.openstack.org/compute/ext/os-consoles/api/v2"
updated = "2011-12-23T00:00:00+00:00"
def get_controller_extensions(self):
controller = ConsolesController()
extension = extensions.ControllerExtension(self, 'servers', controller)
return [extension]
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