72 lines
2.5 KiB
Python
72 lines
2.5 KiB
Python
#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from collections import OrderedDict
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import logging
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from django.utils.http import urlencode
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from django.utils.translation import ugettext_lazy as _
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from novaclient import exceptions as nova_exception
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from horizon import exceptions
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from openstack_dashboard import api
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LOG = logging.getLogger(__name__)
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CONSOLES = OrderedDict([('VNC', api.nova.server_vnc_console),
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('SPICE', api.nova.server_spice_console),
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('RDP', api.nova.server_rdp_console),
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('SERIAL', api.nova.server_serial_console)])
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def get_console(request, console_type, instance):
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"""Get a tuple of console url and console type."""
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if console_type == 'AUTO':
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check_consoles = CONSOLES
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else:
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try:
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check_consoles = {console_type: CONSOLES[console_type]}
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except KeyError:
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msg = _('Console type "%s" not supported.') % console_type
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raise exceptions.NotAvailable(msg)
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# Ugly workaround due novaclient API change from 2.17 to 2.18.
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try:
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httpnotimplemented = nova_exception.HttpNotImplemented
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except AttributeError:
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httpnotimplemented = nova_exception.HTTPNotImplemented
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for con_type, api_call in check_consoles.items():
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try:
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console = api_call(request, instance.id)
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# If not supported, don't log it to avoid lot of errors in case
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# of AUTO.
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except httpnotimplemented:
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continue
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except Exception:
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LOG.debug('Console not available', exc_info=True)
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continue
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if con_type == 'SERIAL':
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console_url = console.url
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else:
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console_url = "%s&%s(%s)" % (
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console.url,
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urlencode({'title': getattr(instance, "name", "")}),
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instance.id)
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return (con_type, console_url)
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raise exceptions.NotAvailable(_('No available console found.'))
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