Files
watcher/watcher/decision_engine/strategy/strategies/actuation.py
Vincent Françoise 0b31828a01 Added Actuator Strategy
This strategy now allow us to create action plans with an explicit
set of actions.

Co-Authored-By: Mikhail Kizilov <kizilov.mikhail@gmail.com>
Change-Id: I7b04b9936ce5f3b5b38f319da7f8737e0f3eea88
Closes-Bug: #1659243
2017-07-31 10:52:07 +00:00

100 lines
2.9 KiB
Python

# -*- encoding: utf-8 -*-
# Copyright (c) 2017 b<>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.
#
"""
*Actuator*
This strategy allows anyone to create an action plan with a predefined set of
actions. This strategy can be used for 2 different purposes:
- Test actions
- Use this strategy based on an event trigger to perform some explicit task
"""
from oslo_log import log
from watcher._i18n import _
from watcher.decision_engine.strategy.strategies import base
LOG = log.getLogger(__name__)
class Actuator(base.UnclassifiedStrategy):
"""Actuator that simply executes the actions given as parameter"""
@classmethod
def get_name(cls):
return "actuator"
@classmethod
def get_display_name(cls):
return _("Actuator")
@classmethod
def get_translatable_display_name(cls):
return "Actuator"
@classmethod
def get_schema(cls):
# Mandatory default setting for each element
return {
"$schema": "http://json-schema.org/draft-04/schema#",
"type": "object",
"properties": {
"actions": {
"type": "array",
"items": {
"type": "object",
"properties": {
"action_type": {
"type": "string"
},
"resource_id": {
"type": "string"
},
"input_parameters": {
"type": "object",
"properties": {},
"additionalProperties": True
}
},
"required": [
"action_type", "input_parameters"
],
"additionalProperties": True,
}
}
},
"required": [
"actions"
]
}
@property
def actions(self):
return self.input_parameters.get('actions', [])
def pre_execute(self):
LOG.info("Preparing Actuator strategy...")
def do_execute(self):
for action in self.actions:
self.solution.add_action(**action)
def post_execute(self):
pass