034d09ec55
The default values needed for barbican's implementation of cors middleware have been moved from paste.ini into a common set_middleware_defaults method, invoked on load. Change-Id: I5722bfc31534936fd07a8dee4ca24afe81c06682 Closes-Bug: #1551836
267 lines
10 KiB
Python
267 lines
10 KiB
Python
# Copyright (c) 2013-2014 Rackspace, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""
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Configuration setup for Barbican.
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"""
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import logging
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import os
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from oslo_config import cfg
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from oslo_log import log
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from oslo_middleware import cors
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from oslo_service import _options
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from barbican import i18n as u
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import barbican.version
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MAX_BYTES_REQUEST_INPUT_ACCEPTED = 15000
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DEFAULT_MAX_SECRET_BYTES = 10000
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KS_NOTIFICATIONS_GRP_NAME = 'keystone_notifications'
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context_opts = [
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cfg.StrOpt('admin_role', default='admin',
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help=u._('Role used to identify an authenticated user as '
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'administrator.')),
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cfg.BoolOpt('allow_anonymous_access', default=False,
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help=u._('Allow unauthenticated users to access the API with '
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'read-only privileges. This only applies when using '
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'ContextMiddleware.')),
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]
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common_opts = [
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cfg.IntOpt('max_allowed_request_size_in_bytes',
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default=MAX_BYTES_REQUEST_INPUT_ACCEPTED),
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cfg.IntOpt('max_allowed_secret_in_bytes',
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default=DEFAULT_MAX_SECRET_BYTES),
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]
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host_opts = [
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cfg.StrOpt('host_href', default='http://localhost:9311'),
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]
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db_opts = [
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cfg.StrOpt('sql_connection'),
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cfg.IntOpt('sql_idle_timeout', default=3600),
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cfg.IntOpt('sql_max_retries', default=60),
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cfg.IntOpt('sql_retry_interval', default=1),
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cfg.BoolOpt('db_auto_create', default=True),
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cfg.IntOpt('max_limit_paging', default=100),
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cfg.IntOpt('default_limit_paging', default=10),
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cfg.StrOpt('sql_pool_class'),
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cfg.BoolOpt('sql_pool_logging', default=False),
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cfg.IntOpt('sql_pool_size'),
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cfg.IntOpt('sql_pool_max_overflow'),
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]
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retry_opt_group = cfg.OptGroup(name='retry_scheduler',
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title='Retry/Scheduler Options')
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retry_opts = [
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cfg.FloatOpt(
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'initial_delay_seconds', default=10.0,
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help=u._('Seconds (float) to wait before starting retry scheduler')),
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cfg.FloatOpt(
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'periodic_interval_max_seconds', default=10.0,
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help=u._('Seconds (float) to wait between periodic schedule events')),
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]
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queue_opt_group = cfg.OptGroup(name='queue',
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title='Queue Application Options')
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queue_opts = [
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cfg.BoolOpt('enable', default=False,
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help=u._('True enables queuing, False invokes '
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'workers synchronously')),
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cfg.StrOpt('namespace', default='barbican',
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help=u._('Queue namespace')),
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cfg.StrOpt('topic', default='barbican.workers',
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help=u._('Queue topic name')),
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cfg.StrOpt('version', default='1.1',
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help=u._('Version of tasks invoked via queue')),
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cfg.StrOpt('server_name', default='barbican.queue',
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help=u._('Server name for RPC task processing server')),
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cfg.IntOpt('asynchronous_workers', default=1,
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help=u._('Number of asynchronous worker processes')),
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]
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ks_queue_opt_group = cfg.OptGroup(name=KS_NOTIFICATIONS_GRP_NAME,
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title='Keystone Notification Options')
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ks_queue_opts = [
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cfg.BoolOpt('enable', default=False,
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help=u._('True enables keystone notification listener '
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' functionality.')),
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cfg.StrOpt('control_exchange', default='openstack',
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help=u._('The default exchange under which topics are scoped. '
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'May be overridden by an exchange name specified in '
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'the transport_url option.')),
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cfg.StrOpt('topic', default='notifications',
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help=u._("Keystone notification queue topic name. This name "
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"needs to match one of values mentioned in Keystone "
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"deployment's 'notification_topics' configuration "
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"e.g."
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" notification_topics=notifications, "
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" barbican_notifications"
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"Multiple servers may listen on a topic and messages "
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"will be dispatched to one of the servers in a "
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"round-robin fashion. That's why Barbican service "
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"should have its own dedicated notification queue so "
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"that it receives all of Keystone notifications.")),
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cfg.BoolOpt('allow_requeue', default=False,
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help=u._('True enables requeue feature in case of notification'
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' processing error. Enable this only when underlying '
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'transport supports this feature.')),
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cfg.StrOpt('version', default='1.0',
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help=u._('Version of tasks invoked via notifications')),
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cfg.IntOpt('thread_pool_size', default=10,
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help=u._('Define the number of max threads to be used for '
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'notification server processing functionality.')),
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]
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quota_opt_group = cfg.OptGroup(name='quotas',
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title='Quota Options')
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quota_opts = [
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cfg.IntOpt('quota_secrets',
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default=-1,
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help='Number of secrets allowed per project'),
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cfg.IntOpt('quota_orders',
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default=-1,
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help='Number of orders allowed per project'),
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cfg.IntOpt('quota_containers',
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default=-1,
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help='Number of containers allowed per project'),
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cfg.IntOpt('quota_consumers',
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default=-1,
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help='Number of consumers allowed per project'),
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cfg.IntOpt('quota_cas',
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default=-1,
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help='Number of CAs allowed per project')
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]
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# Flag to indicate barbican configuration is already parsed once or not
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_CONFIG_PARSED_ONCE = False
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def parse_args(conf, args=None, usage=None, default_config_files=None):
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global _CONFIG_PARSED_ONCE
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conf(args=args if args else [],
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project='barbican',
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prog='barbican',
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version=barbican.version.__version__,
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usage=usage,
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default_config_files=default_config_files)
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conf.pydev_debug_host = os.environ.get('PYDEV_DEBUG_HOST')
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conf.pydev_debug_port = os.environ.get('PYDEV_DEBUG_PORT')
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# Assign cfg.CONF handle to parsed barbican configuration once at startup
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# only. No need to keep re-assigning it with separate plugin conf usage
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if not _CONFIG_PARSED_ONCE:
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cfg.CONF = conf
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_CONFIG_PARSED_ONCE = True
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def new_config():
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conf = cfg.ConfigOpts()
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log.register_options(conf)
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conf.register_opts(context_opts)
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conf.register_opts(common_opts)
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conf.register_opts(host_opts)
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conf.register_opts(db_opts)
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conf.register_opts(_options.eventlet_backdoor_opts)
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conf.register_opts(_options.periodic_opts)
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conf.register_opts(_options.ssl_opts, "ssl")
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conf.register_group(retry_opt_group)
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conf.register_opts(retry_opts, group=retry_opt_group)
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conf.register_group(queue_opt_group)
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conf.register_opts(queue_opts, group=queue_opt_group)
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conf.register_group(ks_queue_opt_group)
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conf.register_opts(ks_queue_opts, group=ks_queue_opt_group)
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conf.register_group(quota_opt_group)
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conf.register_opts(quota_opts, group=quota_opt_group)
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# Update default values from libraries that carry their own oslo.config
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# initialization and configuration.
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set_middleware_defaults()
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return conf
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def setup_remote_pydev_debug():
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"""Required setup for remote debugging."""
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if CONF.pydev_debug_host and CONF.pydev_debug_port:
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try:
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try:
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from pydev import pydevd
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except ImportError:
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import pydevd
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pydevd.settrace(CONF.pydev_debug_host,
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port=int(CONF.pydev_debug_port),
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stdoutToServer=True,
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stderrToServer=True)
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except Exception:
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LOG.exception('Unable to join debugger, please '
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'make sure that the debugger processes is '
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'listening on debug-host \'%s\' debug-port \'%s\'.',
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CONF.pydev_debug_host, CONF.pydev_debug_port)
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raise
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def set_middleware_defaults():
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"""Update default configuration options for oslo.middleware."""
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# CORS Defaults
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# TODO(krotscheck): Update with https://review.openstack.org/#/c/285368/
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cfg.set_defaults(cors.CORS_OPTS,
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allow_headers=['X-Auth-Token',
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'X-Openstack-Request-Id',
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'X-Project-Id',
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'X-Identity-Status',
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'X-User-Id',
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'X-Storage-Token',
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'X-Domain-Id',
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'X-User-Domain-Id',
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'X-Project-Domain-Id',
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'X-Roles'],
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expose_headers=['X-Auth-Token',
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'X-Openstack-Request-Id',
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'X-Project-Id',
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'X-Identity-Status',
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'X-User-Id',
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'X-Storage-Token',
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'X-Domain-Id',
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'X-User-Domain-Id',
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'X-Project-Domain-Id',
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'X-Roles'],
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allow_methods=['GET',
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'PUT',
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'POST',
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'DELETE',
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'PATCH']
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)
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CONF = new_config()
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LOG = logging.getLogger(__name__)
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parse_args(CONF)
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