107 lines
3.3 KiB
Python
107 lines
3.3 KiB
Python
# Copyright 2015 - Mirantis, Inc.
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# Copyright 2016 - Brocade Communications Systems, Inc.
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# Copyright 2020 Nokia Software.
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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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from oslo_log import log as logging
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from osprofiler import profiler
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import traceback as tb
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from mistral.db.v2.sqlalchemy import models
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from mistral.engine import actions
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from mistral.engine import task_handler
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from mistral import exceptions as exc
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LOG = logging.getLogger(__name__)
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@profiler.trace('action-handler-on-action-complete', hide_args=True)
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def on_action_complete(action_ex, result):
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task_ex = action_ex.task_execution
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action = _build_action(action_ex)
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try:
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action.complete(result)
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except exc.MistralException as e:
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msg = (
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"Failed to complete action [error=%s, action=%s, task=%s]:\n%s"
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% (e, action_ex.name, task_ex.name, tb.format_exc())
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)
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LOG.error(msg)
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action.fail(msg)
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if task_ex:
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task_handler.force_fail_task(task_ex, msg)
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return
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if task_ex:
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task_handler.schedule_on_action_complete(action_ex)
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@profiler.trace('action-handler-on-action-update', hide_args=True)
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def on_action_update(action_ex, state):
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task_ex = action_ex.task_execution
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action = _build_action(action_ex)
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try:
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action.update(state)
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except exc.MistralException as e:
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# If the update of the action execution fails, do not fail
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# the action execution. Log the exception and re-raise the
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# exception.
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msg = (
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"Failed to update action [error=%s, action=%s, task=%s]:\n%s"
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% (e, action_ex.name, task_ex.name, tb.format_exc())
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)
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LOG.error(msg)
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raise
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if task_ex:
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task_handler.schedule_on_action_update(action_ex)
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@profiler.trace('action-handler-build-action', hide_args=True)
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def _build_action(action_ex):
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if isinstance(action_ex, models.WorkflowExecution):
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return actions.WorkflowAction(wf_name=action_ex.name,
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action_ex=action_ex)
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adhoc_action_name = action_ex.runtime_context.get('adhoc_action_name')
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if adhoc_action_name:
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action_def = actions.resolve_action_definition(
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adhoc_action_name,
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namespace=action_ex.workflow_namespace
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)
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return actions.AdHocAction(action_def, action_ex=action_ex)
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action_def = actions.resolve_action_definition(action_ex.name)
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return actions.PythonAction(action_def, action_ex=action_ex)
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def build_action_by_name(action_name, namespace=''):
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action_def = actions.resolve_action_definition(action_name,
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namespace=namespace)
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action_cls = (actions.PythonAction if not action_def.spec
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else actions.AdHocAction)
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return action_cls(action_def)
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