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# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright (c) 2010 OpenStack Foundation
# 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.
"""Handles ConsoleProxy API requests."""
from oslo.config import cfg
from nova.compute import rpcapi as compute_rpcapi
from nova.console import rpcapi as console_rpcapi
from nova.db import base
from nova.openstack.common import rpc
from nova.openstack.common import uuidutils
CONF = cfg.CONF
CONF.import_opt('console_topic', 'nova.console.rpcapi')
class API(base.Base):
"""API for spinning up or down console proxy connections."""
def __init__(self, **kwargs):
super(API, self).__init__(**kwargs)
def get_consoles(self, context, instance_uuid):
return self.db.console_get_all_by_instance(context, instance_uuid)
def get_console(self, context, instance_uuid, console_uuid):
return self.db.console_get(context, console_uuid, instance_uuid)
def delete_console(self, context, instance_uuid, console_uuid):
console = self.db.console_get(context, console_uuid, instance_uuid)
topic = rpc.queue_get_for(context, CONF.console_topic,
console['pool']['host'])
rpcapi = console_rpcapi.ConsoleAPI(topic=topic)
rpcapi.remove_console(context, console['id'])
def create_console(self, context, instance_uuid):
#NOTE(mdragon): If we wanted to return this the console info
# here, as we would need to do a call.
# They can just do an index later to fetch
# console info. I am not sure which is better
# here.
instance = self._get_instance(context, instance_uuid)
topic = self._get_console_topic(context, instance['host']),
rpcapi = console_rpcapi.ConsoleAPI(topic=topic)
rpcapi.add_console(context, instance['id'])
def _get_console_topic(self, context, instance_host):
rpcapi = compute_rpcapi.ComputeAPI()
return rpcapi.get_console_topic(context, instance_host)
def _get_instance(self, context, instance_uuid):
if uuidutils.is_uuid_like(instance_uuid):
instance = self.db.instance_get_by_uuid(context, instance_uuid)
else:
instance = self.db.instance_get(context, instance_uuid)
return instance
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