839c83651f
going forward Added readmes to submodules Refactored model into multiple files Standardized on 'node' for physical server Pinned requirements.txt to versions Began orchestration action outline in conjunction with DAG
72 lines
2.3 KiB
Python
72 lines
2.3 KiB
Python
# Copyright 2017 AT&T Intellectual Property. All other rights reserved.
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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 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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from enum import Enum, unique
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import uuid
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class Orchestrator(object):
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# enabled_drivers is a map which provider drivers
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# should be enabled for use by this orchestrator
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def __init__(self, enabled_drivers=None, design_state=None):
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self.enabled_drivers = {}
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self.enabled_drivers['oob'] = enabled_drivers.get('oob', None)
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self.enabled_drivers['server'] = enabled_drivers.get('server', None)
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self.enabled_drivers['network'] = enabled_drivers.get('network', None)
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self.design_state = design_state
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"""
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execute_task
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This is the core of the orchestrator. The task will describe the action
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to take and the context/scope of the command. We will then source
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the current designed state and current built state from the statemgmt
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module. Based on those 3 inputs, we'll decide what is needed next.
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"""
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def execute_task(self, task):
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if design_state is None:
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raise Exception("Cannot execute task without initialized state manager")
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class OrchestrationTask(object):
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def __init__(self, action, **kwargs):
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self.taskid = uuid.uuid4()
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self.action = action
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parent_task = kwargs.get('parent_task','')
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# Validate parameters based on action
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self.site = kwargs.get('site', '')
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if self.site == '':
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raise ValueError("Task requires 'site' parameter")
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if action in [Action.VerifyNode, Action.PrepareNode,
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Action.DeployNode, Action.DestroyNode]:
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self.node_filter = kwargs.get('node_filter', None)
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def child_task(self, action, **kwargs):
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child_task = OrchestrationTask(action, parent_task=self.taskid, site=self.site, **kwargs)
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return child_task
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