155 lines
6.2 KiB
Python
155 lines
6.2 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
|
|
|
|
# Copyright (c) 2011 Citrix Systems, Inc.
|
|
# Copyright 2011 OpenStack LLC.
|
|
#
|
|
# 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.
|
|
|
|
"""VMRC Console Manager."""
|
|
|
|
from nova.compute import rpcapi as compute_rpcapi
|
|
from nova import exception
|
|
from nova import flags
|
|
from nova import manager
|
|
from nova.openstack.common import cfg
|
|
from nova.openstack.common import importutils
|
|
from nova.openstack.common import log as logging
|
|
from nova.virt import vmwareapi_conn
|
|
|
|
|
|
LOG = logging.getLogger(__name__)
|
|
|
|
vmrc_manager_opts = [
|
|
cfg.StrOpt('console_public_hostname',
|
|
default='',
|
|
help='Publicly visible name for this console host'),
|
|
cfg.StrOpt('console_driver',
|
|
default='nova.console.vmrc.VMRCConsole',
|
|
help='Driver to use for the console'),
|
|
]
|
|
|
|
FLAGS = flags.FLAGS
|
|
FLAGS.register_opts(vmrc_manager_opts)
|
|
|
|
|
|
class ConsoleVMRCManager(manager.Manager):
|
|
"""Manager to handle VMRC connections for accessing instance consoles."""
|
|
|
|
def __init__(self, console_driver=None, *args, **kwargs):
|
|
self.driver = importutils.import_object(FLAGS.console_driver)
|
|
self.compute_rpcapi = compute_rpcapi.ComputeAPI()
|
|
super(ConsoleVMRCManager, self).__init__(*args, **kwargs)
|
|
|
|
def init_host(self):
|
|
self.sessions = {}
|
|
self.driver.init_host()
|
|
|
|
def _get_vim_session(self, pool):
|
|
"""Get VIM session for the pool specified."""
|
|
vim_session = None
|
|
if pool['id'] not in self.sessions.keys():
|
|
vim_session = vmwareapi_conn.VMWareAPISession(
|
|
pool['address'],
|
|
pool['username'],
|
|
pool['password'],
|
|
FLAGS.console_vmrc_error_retries)
|
|
self.sessions[pool['id']] = vim_session
|
|
return self.sessions[pool['id']]
|
|
|
|
def _generate_console(self, context, pool, name, instance_id, instance):
|
|
"""Sets up console for the instance."""
|
|
LOG.debug(_('Adding console'))
|
|
|
|
password = self.driver.generate_password(
|
|
self._get_vim_session(pool),
|
|
pool,
|
|
instance.name)
|
|
|
|
console_data = {'instance_name': name,
|
|
'instance_id': instance_id,
|
|
'password': password,
|
|
'pool_id': pool['id']}
|
|
console_data['port'] = self.driver.get_port(context)
|
|
console = self.db.console_create(context, console_data)
|
|
self.driver.setup_console(context, console)
|
|
return console
|
|
|
|
@exception.wrap_exception()
|
|
def add_console(self, context, instance_id, password=None,
|
|
port=None, **kwargs):
|
|
"""Adds a console for the instance.
|
|
|
|
If it is one time password, then we generate new console credentials.
|
|
|
|
"""
|
|
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['uuid'])
|
|
if self.driver.is_otp():
|
|
console = self._generate_console(context,
|
|
pool,
|
|
name,
|
|
instance_id,
|
|
instance)
|
|
except exception.NotFound:
|
|
console = self._generate_console(context,
|
|
pool,
|
|
name,
|
|
instance_id,
|
|
instance)
|
|
return console['id']
|
|
|
|
@exception.wrap_exception()
|
|
def remove_console(self, context, console_id, **_kwargs):
|
|
"""Removes a console entry."""
|
|
try:
|
|
console = self.db.console_get(context, console_id)
|
|
except exception.NotFound:
|
|
LOG.debug(_('Tried to remove non-existent console '
|
|
'%(console_id)s.') % {'console_id': console_id})
|
|
return
|
|
LOG.debug(_('Removing console '
|
|
'%(console_id)s.') % {'console_id': console_id})
|
|
self.db.console_delete(context, console_id)
|
|
self.driver.teardown_console(context, console)
|
|
|
|
def get_pool_for_instance_host(self, context, instance_host):
|
|
"""Gets console pool info for the instance."""
|
|
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:
|
|
pool_info = self.compute_rpcapi.get_console_pool_info(context,
|
|
console_type, instance_host)
|
|
pool_info['password'] = self.driver.fix_pool_password(
|
|
pool_info['password'])
|
|
pool_info['host'] = self.host
|
|
# ESX Address or Proxy Address
|
|
public_host_name = pool_info['address']
|
|
if FLAGS.console_public_hostname:
|
|
public_host_name = FLAGS.console_public_hostname
|
|
pool_info['public_hostname'] = public_host_name
|
|
pool_info['console_type'] = console_type
|
|
pool_info['compute_host'] = instance_host
|
|
pool = self.db.console_pool_create(context, pool_info)
|
|
return pool
|