/usr/lib/python2.7/dist-packages/mistral/config.py is in python-mistral 2.0.0-1.
This file is owned by root:root, with mode 0o644.
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#
# Copyright 2013 - Mirantis, Inc.
#
# 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.
"""
Configuration options registration and useful routines.
"""
import itertools
from oslo_config import cfg
from oslo_log import log
from oslo_middleware import cors
from mistral import version
launch_opt = cfg.ListOpt(
'server',
default=['all'],
help='Specifies which mistral server to start by the launch script. '
'Valid options are all or any combination of '
'api, engine, and executor.'
)
api_opts = [
cfg.StrOpt('host', default='0.0.0.0', help='Mistral API server host'),
cfg.PortOpt('port', default=8989, help='Mistral API server port'),
cfg.BoolOpt('allow_action_execution_deletion', default=False,
help='Enables the ability to delete action_execution which '
'has no relationship with workflows.'),
]
pecan_opts = [
cfg.StrOpt('root', default='mistral.api.controllers.root.RootController',
help='Pecan root controller'),
cfg.ListOpt('modules', default=["mistral.api"],
help='A list of modules where pecan will search for '
'applications.'),
cfg.BoolOpt('debug', default=False,
help='Enables the ability to display tracebacks in the '
'browser and interactively debug during '
'development.'),
cfg.BoolOpt('auth_enable', default=True,
help='Enables user authentication in pecan.')
]
use_debugger = cfg.BoolOpt(
"use-debugger",
default=False,
help='Enables debugger. Note that using this option changes how the '
'eventlet library is used to support async IO. This could result '
'in failures that do not occur under normal operation. '
'Use at your own risk.'
)
engine_opts = [
cfg.StrOpt('engine', default='default',
help='Mistral engine plugin'),
cfg.StrOpt('host', default='0.0.0.0',
help='Name of the engine node. This can be an opaque '
'identifier. It is not necessarily a hostname, '
'FQDN, or IP address.'),
cfg.StrOpt('topic', default='mistral_engine',
help='The message topic that the engine listens on.'),
cfg.StrOpt('version', default='1.0',
help='The version of the engine.'),
cfg.IntOpt('execution_field_size_limit_kb', default=1024,
help='The default maximum size in KB of large text fields '
'of runtime execution objects. Use -1 for no limit.'),
]
executor_opts = [
cfg.StrOpt('host', default='0.0.0.0',
help='Name of the executor node. This can be an opaque '
'identifier. It is not necessarily a hostname, '
'FQDN, or IP address.'),
cfg.StrOpt('topic', default='mistral_executor',
help='The message topic that the executor listens on.'),
cfg.StrOpt('version', default='1.0',
help='The version of the executor.')
]
rpc_option = cfg.BoolOpt(
'use_mistral_rpc',
default=False,
help='Specifies whether Mistral uses modified oslo.messaging (if True)'
' or original oslo.messaging. Modified oslo.messaging is done for'
' acknowledgement a message after processing.'
)
execution_expiration_policy_opts = [
cfg.IntOpt('evaluation_interval',
help='How often will the executions be evaluated '
'(in minutes). For example for value 120 the interval '
'will be 2 hours (every 2 hours).'),
cfg.IntOpt('older_than',
help='Evaluate from which time remove executions in minutes. '
'For example when older_than = 60, remove all executions '
'that finished a 60 minutes ago or more. '
'Minimum value is 1. '
'Note that only final state execution will remove '
'( SUCCESS / ERROR ).')
]
wf_trace_log_name_opt = cfg.StrOpt(
'workflow_trace_log_name',
default='workflow_trace',
help='Logger name for pretty '
'workflow trace output.'
)
coordination_opts = [
cfg.StrOpt('backend_url',
help='The backend URL to be used for coordination'),
cfg.FloatOpt('heartbeat_interval',
default=5.0,
help='Number of seconds between heartbeats for coordination.')
]
CONF = cfg.CONF
API_GROUP = 'api'
ENGINE_GROUP = 'engine'
EXECUTOR_GROUP = 'executor'
PECAN_GROUP = 'pecan'
COORDINATION_GROUP = 'coordination'
EXECUTION_EXPIRATION_POLICY_GROUP = 'execution_expiration_policy'
CONF.register_opts(api_opts, group=API_GROUP)
CONF.register_opts(engine_opts, group=ENGINE_GROUP)
CONF.register_opts(pecan_opts, group=PECAN_GROUP)
CONF.register_opts(executor_opts, group=EXECUTOR_GROUP)
CONF.register_opts(execution_expiration_policy_opts,
group=EXECUTION_EXPIRATION_POLICY_GROUP)
CONF.register_opt(wf_trace_log_name_opt)
CONF.register_opt(rpc_option)
CONF.register_opts(coordination_opts, group=COORDINATION_GROUP)
CLI_OPTS = [
use_debugger,
launch_opt
]
CONF.register_cli_opts(CLI_OPTS)
_DEFAULT_LOG_LEVELS = [
'amqp=WARN',
'sqlalchemy=WARN',
'oslo_messaging=INFO',
'iso8601=WARN',
'eventlet.wsgi.server=WARN',
'stevedore=INFO',
'oslo_service.periodic_task=INFO',
'oslo_service.loopingcall=INFO',
'mistral.services.periodic=INFO',
'kazoo.client=WARN'
]
def list_opts():
return [
(API_GROUP, api_opts),
(ENGINE_GROUP, engine_opts),
(EXECUTOR_GROUP, executor_opts),
(PECAN_GROUP, pecan_opts),
(COORDINATION_GROUP, coordination_opts),
(EXECUTION_EXPIRATION_POLICY_GROUP, execution_expiration_policy_opts),
(None, itertools.chain(
CLI_OPTS,
[
wf_trace_log_name_opt,
rpc_option
]
))
]
def parse_args(args=None, usage=None, default_config_files=None):
log.set_defaults(default_log_levels=_DEFAULT_LOG_LEVELS)
log.register_options(CONF)
CONF(
args=args,
project='mistral',
version=version,
usage=usage,
default_config_files=default_config_files
)
def set_config_defaults():
"""This method updates all configuration default values."""
set_cors_middleware_defaults()
def set_cors_middleware_defaults():
"""Update default configuration options for oslo.middleware."""
# CORS Defaults
# TODO(krotscheck): Update with https://review.openstack.org/#/c/285368/
cfg.set_defaults(
cors.CORS_OPTS,
allow_headers=['X-Auth-Token', 'X-Identity-Status', 'X-Roles',
'X-Service-Catalog', 'X-User-Id', 'X-Tenant-Id',
'X-Project-Id', 'X-User-Name', 'X-Project-Name'],
allow_methods=['GET', 'PUT', 'POST', 'DELETE', 'PATCH'],
expose_headers=['X-Auth-Token', 'X-Subject-Token',
'X-Service-Token', 'X-Project-Id', 'X-User-Name',
'X-Project-Name']
)
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