/usr/share/pyshared/nova/console/manager.py is in python-nova 2012.1-0ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 | # vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright (c) 2010 OpenStack, LLC.
# 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.
"""Console Proxy Service."""
import socket
from nova import exception
from nova import flags
from nova import log as logging
from nova.openstack.common import cfg
from nova import manager
from nova import rpc
from nova import utils
console_manager_opts = [
cfg.StrOpt('console_driver',
default='nova.console.xvp.XVPConsoleProxy',
help='Driver to use for the console proxy'),
cfg.BoolOpt('stub_compute',
default=False,
help='Stub calls to compute worker for tests'),
cfg.StrOpt('console_public_hostname',
default=socket.gethostname(),
help='Publicly visible name for this console host'),
]
FLAGS = flags.FLAGS
FLAGS.register_opts(console_manager_opts)
LOG = logging.getLogger(__name__)
class ConsoleProxyManager(manager.Manager):
"""Sets up and tears down any console proxy connections.
Needed for accessing instance consoles securely.
"""
def __init__(self, console_driver=None, *args, **kwargs):
if not console_driver:
console_driver = FLAGS.console_driver
self.driver = utils.import_object(console_driver)
super(ConsoleProxyManager, self).__init__(*args, **kwargs)
self.driver.host = self.host
def init_host(self):
self.driver.init_host()
@exception.wrap_exception()
def add_console(self, context, instance_id, password=None,
port=None, **kwargs):
instance = self.db.instance_get(context, instance_id)
host = instance['host']
name = instance['name']
pool = self.get_pool_for_instance_host(context, host)
try:
console = self.db.console_get_by_pool_instance(context,
pool['id'],
instance_id)
except exception.NotFound:
LOG.debug(_('Adding console'))
if not password:
password = utils.generate_password(8)
if not port:
port = self.driver.get_port(context)
console_data = {'instance_name': name,
'instance_id': instance_id,
'password': password,
'pool_id': pool['id']}
if port:
console_data['port'] = port
console = self.db.console_create(context, console_data)
self.driver.setup_console(context, console)
return console['id']
@exception.wrap_exception()
def remove_console(self, context, console_id, **_kwargs):
try:
console = self.db.console_get(context, console_id)
except exception.NotFound:
LOG.debug(_('Tried to remove non-existant console '
'%(console_id)s.') %
{'console_id': console_id})
return
self.db.console_delete(context, console_id)
self.driver.teardown_console(context, console)
def get_pool_for_instance_host(self, context, instance_host):
context = context.elevated()
console_type = self.driver.console_type
try:
pool = self.db.console_pool_get_by_host_type(context,
instance_host,
self.host,
console_type)
except exception.NotFound:
#NOTE(mdragon): Right now, the only place this info exists is the
# compute worker's flagfile, at least for
# xenserver. Thus we ned to ask.
if FLAGS.stub_compute:
pool_info = {'address': '127.0.0.1',
'username': 'test',
'password': '1234pass'}
else:
pool_info = rpc.call(context,
self.db.queue_get_for(context,
FLAGS.compute_topic,
instance_host),
{'method': 'get_console_pool_info',
'args': {'console_type': console_type}})
pool_info['password'] = self.driver.fix_pool_password(
pool_info['password'])
pool_info['host'] = self.host
pool_info['public_hostname'] = FLAGS.console_public_hostname
pool_info['console_type'] = self.driver.console_type
pool_info['compute_host'] = instance_host
pool = self.db.console_pool_create(context, pool_info)
return pool
|