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#
# 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.
from collections import OrderedDict
import logging
from django.utils.http import urlencode
from django.utils.translation import ugettext_lazy as _
from novaclient import exceptions as nova_exception
from horizon import exceptions
from openstack_dashboard import api
LOG = logging.getLogger(__name__)
CONSOLES = OrderedDict([('VNC', api.nova.server_vnc_console),
('SPICE', api.nova.server_spice_console),
('RDP', api.nova.server_rdp_console),
('SERIAL', api.nova.server_serial_console),
('MKS', api.nova.server_mks_console)])
def get_console(request, console_type, instance):
"""Get a tuple of console url and console type."""
if console_type == 'AUTO':
check_consoles = CONSOLES
else:
try:
check_consoles = {console_type: CONSOLES[console_type]}
except KeyError:
msg = _('Console type "%s" not supported.') % console_type
raise exceptions.NotAvailable(msg)
# Ugly workaround due novaclient API change from 2.17 to 2.18.
try:
httpnotimplemented = nova_exception.HttpNotImplemented
except AttributeError:
httpnotimplemented = nova_exception.HTTPNotImplemented
for con_type, api_call in check_consoles.items():
try:
console = api_call(request, instance.id)
# If not supported, don't log it to avoid lot of errors in case
# of AUTO.
except httpnotimplemented:
continue
except Exception:
LOG.debug('Console not available', exc_info=True)
continue
if con_type == 'SERIAL':
console_url = console.url
else:
console_url = "%s&%s(%s)" % (
console.url,
urlencode({'title': getattr(instance, "name", "")}),
instance.id)
return (con_type, console_url)
raise exceptions.NotAvailable(_('No available console found.'))
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