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
71 lines
2.0 KiB
Python
71 lines
2.0 KiB
Python
# -*- encoding: utf-8 -*-
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# Copyright (c) 2016 b<>com
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#
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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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import abc
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import six
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from watcher.applier.actions import factory
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from watcher.applier.messaging import event_types
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from watcher.common.messaging.events import event
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from watcher import objects
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@six.add_metaclass(abc.ABCMeta)
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class BaseWorkFlowEngine(object):
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def __init__(self):
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self._applier_manager = None
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self._context = None
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self._action_factory = factory.ActionFactory()
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@property
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def context(self):
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return self._context
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@context.setter
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def context(self, c):
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self._context = c
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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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@applier_manager.setter
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def applier_manager(self, a):
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self._applier_manager = a
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@property
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def action_factory(self):
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return self._action_factory
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def notify(self, action, state):
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db_action = objects.Action.get_by_uuid(self.context, action.uuid)
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db_action.state = state
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db_action.save()
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ev = event.Event()
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ev.type = event_types.EventTypes.LAUNCH_ACTION
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ev.data = {}
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payload = {'action_uuid': action.uuid,
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'action_state': state}
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self.applier_manager.topic_status.publish_event(ev.type.name,
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payload)
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@abc.abstractmethod
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def execute(self, actions):
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raise NotImplementedError()
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