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# Copyright 2016 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.
from oslo_config import cfg
console_group = cfg.OptGroup('console',
title='Console Options',
help="""
Options under this group allow to tune the configuration of the console proxy
service.
Note: in configuration of every compute is a ``console_host`` option,
which allows to select the console proxy service to connect to.
""")
console_opts = [
cfg.ListOpt('allowed_origins',
default=[],
deprecated_group='DEFAULT',
deprecated_name='console_allowed_origins',
help="""
Adds list of allowed origins to the console websocket proxy to allow
connections from other origin hostnames.
Websocket proxy matches the host header with the origin header to
prevent cross-site requests. This list specifies if any there are
values other than host are allowed in the origin header.
Possible values:
* A list where each element is an allowed origin hostnames, else an empty list
"""),
cfg.StrOpt('ssl_ciphers',
help="""
OpenSSL cipher preference string that specifies what ciphers to allow for TLS
connections from clients. For example::
ssl_ciphers = "kEECDH+aECDSA+AES:kEECDH+AES+aRSA:kEDH+aRSA+AES"
See the man page for the OpenSSL `ciphers` command for details of the cipher
preference string format and allowed values::
https://www.openssl.org/docs/man1.1.0/man1/ciphers.html
Related options:
* [DEFAULT] cert
* [DEFAULT] key
"""),
cfg.StrOpt('ssl_minimum_version',
default='default',
choices=[
# These values must align with SSL_OPTIONS in
# websockify/websocketproxy.py
('default', 'Use the underlying system OpenSSL defaults'),
('tlsv1_1',
'Require TLS v1.1 or greater for TLS connections'),
('tlsv1_2',
'Require TLS v1.2 or greater for TLS connections'),
('tlsv1_3',
'Require TLS v1.3 or greater for TLS connections'),
],
help="""
Minimum allowed SSL/TLS protocol version.
Related options:
* [DEFAULT] cert
* [DEFAULT] key
"""),
]
def register_opts(conf):
conf.register_group(console_group)
conf.register_opts(console_opts, group=console_group)
def list_opts():
return {
console_group: console_opts,
}
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