0e7bfe61bd
The aim of this patchset is to integrate taskflow in the Watcher Applier. Taskflow will help us a lot to make Action Plan execution easy, consistent, scalable and reliable. DocImpact Partially implements: blueprint use-taskflow Change-Id: I903d6509d74a61ad64e1506b8a7156e6e91abcfb Closes-Bug: #1535326 Closes-Bug: #1531912
64 lines
2.2 KiB
Python
64 lines
2.2 KiB
Python
# -*- encoding: utf-8 -*-
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# Copyright (c) 2015 b<>com
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#
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# Authors: Jean-Emile DARTOIS <jean-emile.dartois@b-com.com>
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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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from oslo_config import cfg
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from oslo_log import log
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from watcher.applier import base
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from watcher.applier.workflow_engine.loading import default
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from watcher import objects
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LOG = log.getLogger(__name__)
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CONF = cfg.CONF
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class DefaultApplier(base.BaseApplier):
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def __init__(self, applier_manager, context):
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super(DefaultApplier, self).__init__()
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self._applier_manager = applier_manager
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self._loader = default.DefaultWorkFlowEngineLoader()
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self._engine = None
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self._context = context
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@property
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def context(self):
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return self._context
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@property
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def applier_manager(self):
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return self._applier_manager
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@property
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def engine(self):
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if self._engine is None:
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selected_workflow_engine = CONF.watcher_applier.workflow_engine
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LOG.debug("Loading workflow engine %s ", selected_workflow_engine)
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self._engine = self._loader.load(name=selected_workflow_engine)
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self._engine.context = self.context
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self._engine.applier_manager = self.applier_manager
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return self._engine
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def execute(self, action_plan_uuid):
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LOG.debug("Executing action plan %s ", action_plan_uuid)
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action_plan = objects.ActionPlan.get_by_uuid(self.context,
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action_plan_uuid)
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# todo(jed) remove direct access to dbapi need filter in object
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filters = {'action_plan_id': action_plan.id}
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actions = objects.Action.dbapi.get_action_list(self.context, filters)
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return self.engine.execute(actions)
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