737 lines
24 KiB
Python
737 lines
24 KiB
Python
# Copyright 2013 - Mirantis, Inc.
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# Copyright 2016 - Brocade Communications Systems, Inc.
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# Copyright 2018 - Extreme Networks, 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 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 options registration and useful routines.
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"""
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import itertools
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import json
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import os
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from keystoneauth1 import loading
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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 osprofiler import opts as profiler
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from mistral import version
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from mistral._i18n import _
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# Options under default group.
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launch_opt = cfg.ListOpt(
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'server',
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default=['all'],
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help=_('Specifies which mistral server to start by the launch script. '
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'Valid options are all or any combination of '
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'api, engine, and executor.')
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)
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wf_trace_log_name_opt = cfg.StrOpt(
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'workflow_trace_log_name',
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default='workflow_trace',
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help=_('Logger name for pretty workflow trace output.')
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)
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use_debugger_opt = cfg.BoolOpt(
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'use-debugger',
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default=False,
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help=_('Enables debugger. Note that using this option changes how the '
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'eventlet library is used to support async IO. This could result '
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'in failures that do not occur under normal operation. '
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'Use at your own risk.')
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)
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auth_type_opt = cfg.StrOpt(
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'auth_type',
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default='keystone',
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help=_('Authentication type (valid options: keystone, keycloak-oidc)')
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)
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api_opts = [
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cfg.HostAddressOpt(
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'host',
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default='0.0.0.0',
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help='Mistral API server host'
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),
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cfg.PortOpt('port', default=8989, help='Mistral API server port'),
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cfg.BoolOpt(
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'allow_action_execution_deletion',
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default=False,
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help=_('Enables the ability to delete action_execution which '
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'has no relationship with workflows.')
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),
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cfg.BoolOpt(
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'enable_ssl_api',
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default=False,
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help=_('Enable the integrated stand-alone API to service requests'
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'via HTTPS instead of HTTP.')
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),
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cfg.IntOpt(
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'api_workers',
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help=_('Number of workers for Mistral API service '
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'default is equal to the number of CPUs available if that can '
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'be determined, else a default worker count of 1 is returned.')
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)
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]
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js_impl_opt = cfg.StrOpt(
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'js_implementation',
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default='pyv8',
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choices=['pyv8', 'v8eval', 'py_mini_racer'],
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help=_('The JavaScript implementation to be used by the std.javascript '
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'action to evaluate scripts.')
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)
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rpc_impl_opt = cfg.StrOpt(
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'rpc_implementation',
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default='oslo',
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choices=['oslo', 'kombu'],
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help=_('Specifies RPC implementation for RPC client and server. '
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'Support of kombu driver is experimental.')
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)
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# TODO(ddeja): This config option is a part of oslo RPCClient
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# It would be the best to not register it twice, rather use RPCClient somehow
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rpc_response_timeout_opt = cfg.IntOpt(
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'rpc_response_timeout',
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default=60,
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help=_('Seconds to wait for a response from a call.')
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)
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oslo_rpc_executor = cfg.StrOpt(
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'oslo_rpc_executor',
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default='eventlet',
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choices=['eventlet', 'blocking', 'threading'],
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help=_('Executor type used by Oslo Messaging framework. Defines how '
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'Oslo Messaging based RPC subsystem processes incoming calls.')
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)
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expiration_token_duration = cfg.IntOpt(
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'expiration_token_duration',
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default=30,
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help=_('Window of seconds to determine whether the given token is about'
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' to expire.')
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)
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pecan_opts = [
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cfg.StrOpt(
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'root',
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default='mistral.api.controllers.root.RootController',
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help=_('Pecan root controller')
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),
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cfg.ListOpt(
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'modules',
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default=["mistral.api"],
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help=_('A list of modules where pecan will search for applications.')
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),
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cfg.BoolOpt(
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'debug',
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default=False,
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help=_('Enables the ability to display tracebacks in the browser and'
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' interactively debug during development.')
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),
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cfg.BoolOpt(
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'auth_enable',
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default=True,
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help=_('Enables user authentication in pecan.')
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)
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]
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engine_opts = [
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cfg.StrOpt('engine', default='default', help='Mistral engine plugin'),
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cfg.HostAddressOpt(
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'host',
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default='0.0.0.0',
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help=_('Name of the engine node. This can be an opaque '
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'identifier. It is not necessarily a hostname, '
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'FQDN, or IP address.')
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),
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cfg.StrOpt(
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'topic',
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default='mistral_engine',
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help=_('The message topic that the engine listens on.')
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),
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cfg.StrOpt('version', default='1.0', help='The version of the engine.'),
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cfg.IntOpt(
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'execution_field_size_limit_kb',
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default=1024,
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help=_('The default maximum size in KB of large text fields '
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'of runtime execution objects. Use -1 for no limit.')
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),
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cfg.IntOpt(
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'execution_integrity_check_delay',
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default=20,
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help=_('A number of seconds since the last update of a task'
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' execution in RUNNING state after which Mistral will'
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' start checking its integrity, meaning that if all'
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' associated actions/workflows are finished its state'
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' will be restored automatically. If this property is'
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' set to a negative value Mistral will never be doing '
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' this check.')
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),
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cfg.IntOpt(
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'execution_integrity_check_batch_size',
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default=5,
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min=1,
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help=_('A number of task executions in RUNNING state that the'
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' execution integrity checker can process in a single'
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' iteration.')
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),
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cfg.IntOpt(
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'action_definition_cache_time',
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default=60,
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help=_('A number of seconds that indicates how long action '
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'definitions should be stored in the local cache.')
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)
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]
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executor_opts = [
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cfg.StrOpt(
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'type',
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choices=['local', 'remote'],
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default='remote',
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help=(
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'Type of executor. Use local to run the executor within the '
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'engine server. Use remote if the executor is launched as '
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'a separate server to run action executions.'
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)
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),
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cfg.HostAddressOpt(
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'host',
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default='0.0.0.0',
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help=_('Name of the executor node. This can be an opaque '
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'identifier. It is not necessarily a hostname, '
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'FQDN, or IP address.')
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),
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cfg.StrOpt(
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'topic',
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default='mistral_executor',
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help=_('The message topic that the executor listens on.')
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),
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cfg.StrOpt(
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'version',
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default='1.0',
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help=_('The version of the executor.')
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)
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]
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scheduler_opts = [
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cfg.FloatOpt(
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'fixed_delay',
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default=1,
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min=0.1,
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help=(
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'Fixed part of the delay between scheduler iterations, '
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'in seconds. '
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'Full delay is defined as a sum of "fixed_delay" and a random '
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'delay limited by "random_delay".'
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)
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),
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cfg.FloatOpt(
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'random_delay',
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default=0,
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min=0,
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help=(
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'Max value of the random part of the delay between scheduler '
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'iterations, in seconds. '
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'Full delay is defined as a sum of "fixed_delay" and a random '
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'delay limited by this property.'
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)
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),
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cfg.IntOpt(
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'batch_size',
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default=None,
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min=1,
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help=(
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'The max number of delayed calls will be selected during '
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'a scheduler iteration. '
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'If this property equals None then there is no '
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'restriction on selection.'
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)
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),
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cfg.FloatOpt(
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'captured_job_timeout',
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default=30,
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min=1,
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help=(
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'Defines how soon (in seconds) a scheduled job captured for '
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'processing becomes eligible for capturing by other schedulers '
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'again. This option is needed to prevent situations when a '
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'scheduler instance captured a job and failed while processing '
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'and so this job can never be processed again because it is '
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'marked as captured.'
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)
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),
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cfg.FloatOpt(
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'pickup_job_after',
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default=60,
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min=1,
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help='Time period given to a scheduler to process a scheduled job '
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'locally before it becomes eligible for processing by other '
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'scheduler instances.'
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'For example, a job needs to run at 12:00:00. When a scheduler '
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'starts processing it it has 60 seconds (or other configured '
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'value) to complete the job. If the scheduler did not complete '
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'the job within this period it most likely means that the '
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'scheduler process crashed. In this case another scheduler '
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'instance will pick it up from the Job Store, but not earlier '
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'than 12:01:00 and try to process it.'
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)
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]
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cron_trigger_opts = [
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cfg.BoolOpt(
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'enabled',
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default=True,
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help=(
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'If this value is set to False then the subsystem of cron triggers'
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' is disabled. Disabling cron triggers increases system'
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' performance.'
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)
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),
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cfg.IntOpt(
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'execution_interval',
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default=1,
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min=1,
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help=(
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'This setting defines how frequently Mistral checks for cron ',
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'triggers that need execution. By default this is every second ',
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'which can lead to high system load. Increasing the number will ',
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'reduce the load but also limit the minimum freqency. For ',
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'example, a cron trigger can be configured to run every second ',
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'but if the execution_interval is set to 60, it will only run ',
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'once per minute.'
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)
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)
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]
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event_engine_opts = [
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cfg.HostAddressOpt(
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'host',
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default='0.0.0.0',
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help=_('Name of the event engine node. This can be an opaque '
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'identifier. It is not necessarily a hostname, '
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'FQDN, or IP address.')
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),
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cfg.HostAddressOpt(
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'listener_pool_name',
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default='events',
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help=_('Name of the event engine\'s listener pool. This can be an'
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' opaque identifier. It is used for identifying the group'
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' of event engine listeners in oslo.messaging.')
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),
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cfg.StrOpt(
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'topic',
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default='mistral_event_engine',
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help=_('The message topic that the event engine listens on.')
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),
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cfg.StrOpt(
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'event_definitions_cfg_file',
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default='/etc/mistral/event_definitions.yaml',
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help=_('Configuration file for event definitions.')
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),
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]
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notifier_opts = [
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cfg.StrOpt(
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'type',
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choices=['local', 'remote'],
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default='remote',
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help=(
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'Type of notifier. Use local to run the notifier within the '
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'engine server. Use remote if the notifier is launched as '
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'a separate server to process events.'
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)
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),
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cfg.StrOpt(
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'host',
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default='0.0.0.0',
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help=_('Name of the notifier node. This can be an opaque '
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'identifier. It is not necessarily a hostname, '
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'FQDN, or IP address.')
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),
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cfg.StrOpt(
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'topic',
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default='mistral_notifier',
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help=_('The message topic that the notifier server listens on.')
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),
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cfg.ListOpt(
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'notify',
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item_type=json.loads,
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bounds=True,
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help=_('List of publishers to publish notification.')
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)
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]
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execution_expiration_policy_opts = [
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cfg.IntOpt(
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'evaluation_interval',
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help=_('How often will the executions be evaluated '
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'(in minutes). For example for value 120 the interval '
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'will be 2 hours (every 2 hours). '
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'Note that only final state executions will be removed: '
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'( SUCCESS / ERROR / CANCELLED ).')
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),
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cfg.IntOpt(
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'older_than',
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help=_('Evaluate from which time remove executions in minutes. '
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'For example when older_than = 60, remove all executions '
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'that finished a 60 minutes ago or more. '
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'Minimum value is 1.')
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),
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cfg.IntOpt(
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'max_finished_executions',
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default=0,
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help=_('The maximum number of finished workflow executions '
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'to be stored. For example when max_finished_executions = 100, '
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'only the 100 latest finished executions will be preserved. '
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'This means that even unexpired executions are eligible '
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'for deletion, to decrease the number of executions in the '
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'database. The default value is 0. If it is set to 0, '
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'this constraint won\'t be applied.')
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),
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cfg.IntOpt(
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'batch_size',
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default=0,
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help=_('Size of batch of expired executions to be deleted.'
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'The default value is 0. If it is set to 0, '
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'size of batch is total number of expired executions '
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'that is going to be deleted.')
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)
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]
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action_heartbeat_opts = [
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cfg.IntOpt(
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'max_missed_heartbeats',
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min=0,
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default=15,
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help=_('The maximum amount of missed heartbeats to be allowed. '
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'If set to 0 then this feature won\'t be enabled. '
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'See check_interval for more details.')
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),
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cfg.IntOpt(
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'check_interval',
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min=0,
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default=20,
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help=_('How often the action executions are checked (in seconds). '
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'For example when check_interval = 10, check action '
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'executions every 10 seconds. When the checker runs it will '
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'transit all running action executions to error if the last '
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'heartbeat received is older than 10 * max_missed_heartbeats '
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'seconds. If set to 0 then this feature won\'t be enabled.')
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),
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cfg.IntOpt(
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'first_heartbeat_timeout',
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min=0,
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default=3600,
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help=_('The first heartbeat is handled differently, to provide a '
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'grace period in case there is no available executor to handle '
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'the action execution. For example when '
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'first_heartbeat_timeout = 3600, wait 3600 seconds before '
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'closing the action executions that never received a heartbeat.'
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)
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)
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]
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coordination_opts = [
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cfg.StrOpt(
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'backend_url',
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help=_('The backend URL to be used for coordination')
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),
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cfg.FloatOpt(
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'heartbeat_interval',
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default=5.0,
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help=_('Number of seconds between heartbeats for coordination.')
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)
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]
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profiler_opts = profiler.list_opts()[0][1]
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profiler_opts.append(
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cfg.StrOpt(
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'profiler_log_name',
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default='profiler_trace',
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help=_('Logger name for the osprofiler trace output.')
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)
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)
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keycloak_oidc_opts = [
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cfg.StrOpt(
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'auth_url',
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help=_('Keycloak base url (e.g. https://my.keycloak:8443/auth)')
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),
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cfg.StrOpt(
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'certfile',
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help=_('Required if identity server requires client certificate')
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),
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cfg.StrOpt(
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'keyfile',
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help=_('Required if identity server requires client certificate')
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),
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cfg.StrOpt(
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'cafile',
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help=_('A PEM encoded Certificate Authority to use when verifying '
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'HTTPs connections. Defaults to system CAs.')
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),
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cfg.BoolOpt(
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'insecure',
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default=False,
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help=_('If True, SSL/TLS certificate verification is disabled')
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),
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cfg.StrOpt(
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'user_info_endpoint_url',
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default='/realms/%s/protocol/openid-connect/userinfo',
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help='Endpoint against which authorization will be performed'
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),
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]
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openstack_actions_opts = [
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cfg.StrOpt(
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'os-actions-endpoint-type',
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default=os.environ.get('OS_ACTIONS_ENDPOINT_TYPE', 'public'),
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choices=['public', 'admin', 'internal'],
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deprecated_group='DEFAULT',
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help=_('Type of endpoint in identity service catalog to use for'
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' communication with OpenStack services.')
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),
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cfg.ListOpt(
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'modules-support-region',
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default=['nova', 'glance', 'heat', 'neutron', 'cinder',
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'trove', 'ironic', 'designate', 'murano', 'tacker', 'senlin',
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'aodh', 'gnocchi'],
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help=_('List of module names that support region in actions.')
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),
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cfg.StrOpt(
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'default_region',
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help=_('Default region name for openstack actions supporting region.')
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),
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]
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# note: this command line option is used only from sync_db and
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# mistral-db-manage
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os_actions_mapping_path = cfg.StrOpt(
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'openstack_actions_mapping_path',
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short='m',
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metavar='MAPPING_PATH',
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default='actions/openstack/mapping.json',
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help='Path to openstack action mapping json file.'
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'It could be relative to mistral package '
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'directory or absolute.'
|
|
)
|
|
|
|
yaql_opts = [
|
|
cfg.IntOpt(
|
|
'limit_iterators',
|
|
default=-1,
|
|
min=-1,
|
|
help=_('Limit iterators by the given number of elements. When set, '
|
|
'each time any function declares its parameter to be iterator, '
|
|
'that iterator is modified to not produce more than a given '
|
|
'number of items. If not set (or set to -1) the result data is '
|
|
'allowed to contain endless iterators that would cause errors '
|
|
'if the result where to be serialized.')
|
|
),
|
|
cfg.IntOpt(
|
|
'memory_quota',
|
|
default=-1,
|
|
min=-1,
|
|
help=_('The memory usage quota (in bytes) for all data produced by '
|
|
'the expression (or any part of it). -1 means no limitation.')
|
|
),
|
|
cfg.BoolOpt(
|
|
'convert_tuples_to_lists',
|
|
default=True,
|
|
help=_('When set to true, yaql converts all tuples in the expression '
|
|
'result to lists.')
|
|
),
|
|
cfg.BoolOpt(
|
|
'convert_sets_to_lists',
|
|
default=False,
|
|
help=_('When set to true, yaql converts all sets in the expression '
|
|
'result to lists. Otherwise the produced result may contain '
|
|
'sets that are not JSON-serializable.')
|
|
),
|
|
cfg.BoolOpt(
|
|
'iterable_dicts',
|
|
default=False,
|
|
help=_('When set to true, dictionaries are considered to be iterable '
|
|
'and iteration over dictionaries produces their keys (as in '
|
|
'Python and yaql 0.2).')
|
|
),
|
|
cfg.StrOpt(
|
|
'keyword_operator',
|
|
default='=>',
|
|
help=_('Allows one to configure keyword/mapping symbol. '
|
|
'Ability to pass named arguments can be disabled altogether '
|
|
'if empty string is provided.')
|
|
),
|
|
cfg.BoolOpt(
|
|
'allow_delegates',
|
|
default=False,
|
|
help=_('Enables or disables delegate expression parsing.')
|
|
)
|
|
]
|
|
|
|
CONF = cfg.CONF
|
|
|
|
API_GROUP = 'api'
|
|
ENGINE_GROUP = 'engine'
|
|
EXECUTOR_GROUP = 'executor'
|
|
SCHEDULER_GROUP = 'scheduler'
|
|
CRON_TRIGGER_GROUP = 'cron_trigger'
|
|
EVENT_ENGINE_GROUP = 'event_engine'
|
|
NOTIFIER_GROUP = 'notifier'
|
|
PECAN_GROUP = 'pecan'
|
|
COORDINATION_GROUP = 'coordination'
|
|
EXECUTION_EXPIRATION_POLICY_GROUP = 'execution_expiration_policy'
|
|
ACTION_HEARTBEAT_GROUP = 'action_heartbeat'
|
|
PROFILER_GROUP = profiler.list_opts()[0][0]
|
|
KEYCLOAK_OIDC_GROUP = "keycloak_oidc"
|
|
OPENSTACK_ACTIONS_GROUP = 'openstack_actions'
|
|
YAQL_GROUP = "yaql"
|
|
KEYSTONE_GROUP = "keystone"
|
|
|
|
|
|
CONF.register_opt(wf_trace_log_name_opt)
|
|
CONF.register_opt(auth_type_opt)
|
|
CONF.register_opt(js_impl_opt)
|
|
CONF.register_opt(rpc_impl_opt)
|
|
CONF.register_opt(rpc_response_timeout_opt)
|
|
CONF.register_opt(oslo_rpc_executor)
|
|
CONF.register_opt(expiration_token_duration)
|
|
|
|
CONF.register_opts(api_opts, group=API_GROUP)
|
|
CONF.register_opts(engine_opts, group=ENGINE_GROUP)
|
|
CONF.register_opts(executor_opts, group=EXECUTOR_GROUP)
|
|
CONF.register_opts(scheduler_opts, group=SCHEDULER_GROUP)
|
|
CONF.register_opts(cron_trigger_opts, group=CRON_TRIGGER_GROUP)
|
|
CONF.register_opts(
|
|
execution_expiration_policy_opts,
|
|
group=EXECUTION_EXPIRATION_POLICY_GROUP
|
|
)
|
|
CONF.register_opts(
|
|
action_heartbeat_opts,
|
|
group=ACTION_HEARTBEAT_GROUP
|
|
)
|
|
CONF.register_opts(event_engine_opts, group=EVENT_ENGINE_GROUP)
|
|
CONF.register_opts(notifier_opts, group=NOTIFIER_GROUP)
|
|
CONF.register_opts(pecan_opts, group=PECAN_GROUP)
|
|
CONF.register_opts(coordination_opts, group=COORDINATION_GROUP)
|
|
CONF.register_opts(profiler_opts, group=PROFILER_GROUP)
|
|
CONF.register_opts(keycloak_oidc_opts, group=KEYCLOAK_OIDC_GROUP)
|
|
CONF.register_opts(openstack_actions_opts, group=OPENSTACK_ACTIONS_GROUP)
|
|
CONF.register_opts(yaql_opts, group=YAQL_GROUP)
|
|
loading.register_session_conf_options(CONF, KEYSTONE_GROUP)
|
|
|
|
CLI_OPTS = [
|
|
use_debugger_opt,
|
|
launch_opt
|
|
]
|
|
|
|
default_group_opts = itertools.chain(
|
|
CLI_OPTS,
|
|
[
|
|
wf_trace_log_name_opt,
|
|
auth_type_opt,
|
|
js_impl_opt,
|
|
rpc_impl_opt,
|
|
rpc_response_timeout_opt,
|
|
oslo_rpc_executor,
|
|
expiration_token_duration
|
|
]
|
|
)
|
|
|
|
CONF.register_cli_opts(CLI_OPTS)
|
|
|
|
|
|
_DEFAULT_LOG_LEVELS = [
|
|
'eventlet.wsgi.server=WARN',
|
|
'oslo_service.periodic_task=INFO',
|
|
'oslo_service.loopingcall=INFO',
|
|
'mistral.services.periodic=INFO',
|
|
'kazoo.client=WARN',
|
|
'oslo_db=WARN'
|
|
]
|
|
|
|
|
|
def list_opts():
|
|
return [
|
|
(API_GROUP, api_opts),
|
|
(ENGINE_GROUP, engine_opts),
|
|
(EXECUTOR_GROUP, executor_opts),
|
|
(EVENT_ENGINE_GROUP, event_engine_opts),
|
|
(SCHEDULER_GROUP, scheduler_opts),
|
|
(CRON_TRIGGER_GROUP, cron_trigger_opts),
|
|
(NOTIFIER_GROUP, notifier_opts),
|
|
(PECAN_GROUP, pecan_opts),
|
|
(COORDINATION_GROUP, coordination_opts),
|
|
(EXECUTION_EXPIRATION_POLICY_GROUP, execution_expiration_policy_opts),
|
|
(PROFILER_GROUP, profiler_opts),
|
|
(KEYCLOAK_OIDC_GROUP, keycloak_oidc_opts),
|
|
(OPENSTACK_ACTIONS_GROUP, openstack_actions_opts),
|
|
(YAQL_GROUP, yaql_opts),
|
|
(ACTION_HEARTBEAT_GROUP, action_heartbeat_opts),
|
|
(None, default_group_opts)
|
|
]
|
|
|
|
|
|
def parse_args(args=None, usage=None, default_config_files=None):
|
|
default_log_levels = log.get_default_log_levels()
|
|
default_log_levels.extend(_DEFAULT_LOG_LEVELS)
|
|
log.set_defaults(default_log_levels=default_log_levels)
|
|
|
|
log.register_options(CONF)
|
|
|
|
CONF(
|
|
args=args,
|
|
project='mistral',
|
|
version=version.version_string,
|
|
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.set_defaults(
|
|
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']
|
|
)
|