5aa6b16238
In this changeset, I added the possibility for all plugins to define configuration parameters for themselves. Partially Implements: blueprint plugins-parameters Change-Id: I676b2583b3b4841c64c862b2b0c234b4eb5fd0fd
91 lines
2.7 KiB
Python
91 lines
2.7 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 import clients
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from watcher.common.loader import loadable
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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(loadable.Loadable):
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def __init__(self, config, context=None, applier_manager=None):
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"""Constructor
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:param config: A mapping containing the configuration of this
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workflow engine
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:type config: dict
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:param osc: an OpenStackClients object, defaults to None
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:type osc: :py:class:`~.OpenStackClients` instance, optional
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"""
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super(BaseWorkFlowEngine, self).__init__(config)
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self._context = context
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self._applier_manager = applier_manager
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self._action_factory = factory.ActionFactory()
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self._osc = None
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@classmethod
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def get_config_opts(cls):
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"""Defines the configuration options to be associated to this loadable
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:return: A list of configuration options relative to this Loadable
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:rtype: list of :class:`oslo_config.cfg.Opt` instances
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"""
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return []
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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 osc(self):
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if not self._osc:
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self._osc = clients.OpenStackClients()
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return self._osc
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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 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.status_topic_handler.publish_event(
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ev.type.name, 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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