Source code for watcher.applier.default

# -*- encoding: utf-8 -*-
# Copyright (c) 2015 b<>com
#
# Authors: Jean-Emile DARTOIS <jean-emile.dartois@b-com.com>
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
from oslo_config import cfg
from oslo_log import log

from watcher.applier import base
from watcher.applier.loading import default
from watcher import objects

LOG = log.getLogger(__name__)
CONF = cfg.CONF


[docs]class DefaultApplier(base.BaseApplier): def __init__(self, context, applier_manager): super(DefaultApplier, self).__init__() self._applier_manager = applier_manager self._loader = default.DefaultWorkFlowEngineLoader() self._engine = None self._context = context @property def context(self): return self._context @property def applier_manager(self): return self._applier_manager @property def engine(self): if self._engine is None: selected_workflow_engine = CONF.watcher_applier.workflow_engine LOG.debug("Loading workflow engine %s ", selected_workflow_engine) self._engine = self._loader.load( name=selected_workflow_engine, context=self.context, applier_manager=self.applier_manager) return self._engine
[docs] def execute(self, action_plan_uuid): LOG.debug("Executing action plan %s ", action_plan_uuid) filters = {'action_plan_uuid': action_plan_uuid} actions = objects.Action.list(self.context, filters=filters) return self.engine.execute(actions)