a88a5cf15a
Puts into place the DeploymentConfiguration yaml that provides the options that should be configured by the site design to the deployment (and update) workflows. This change additionally refactors reused parts to common modules as related to info passing (xcom) Change-Id: Ib6470899b204dbc18d2a9a2e4f95540b3b0032b0
94 lines
3.2 KiB
Python
94 lines
3.2 KiB
Python
# Copyright 2018 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 airflow.models import DAG
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from airflow.operators import DryDockOperator
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from airflow.operators import PromenadeCheckEtcdOperator
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from airflow.operators import PromenadeClearLabelsOperator
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from airflow.operators import PromenadeDecommissionNodeOperator
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from airflow.operators import PromenadeDrainNodeOperator
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from airflow.operators import PromenadeShutdownKubeletOperator
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from config_path import config_path
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def destroy_server(parent_dag_name, child_dag_name, args):
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"""DAG to tear down node
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The DAG will make use of the promenade and drydock operators
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to tear down a target node.
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"""
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dag = DAG(
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'{}.{}'.format(parent_dag_name, child_dag_name),
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default_args=args)
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# Drain Node
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promenade_drain_node = PromenadeDrainNodeOperator(
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task_id='promenade_drain_node',
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shipyard_conf=config_path,
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main_dag_name=parent_dag_name,
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sub_dag_name=child_dag_name,
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dag=dag)
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# Clear Labels
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promenade_clear_labels = PromenadeClearLabelsOperator(
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task_id='promenade_clear_labels',
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shipyard_conf=config_path,
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main_dag_name=parent_dag_name,
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sub_dag_name=child_dag_name,
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dag=dag)
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# Shutdown Kubelet
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promenade_shutdown_kubelet = PromenadeShutdownKubeletOperator(
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task_id='promenade_shutdown_kubelet',
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shipyard_conf=config_path,
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main_dag_name=parent_dag_name,
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sub_dag_name=child_dag_name,
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dag=dag)
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# ETCD Sanity Check
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promenade_check_etcd = PromenadeCheckEtcdOperator(
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task_id='promenade_check_etcd',
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shipyard_conf=config_path,
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main_dag_name=parent_dag_name,
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sub_dag_name=child_dag_name,
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dag=dag)
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# Power down and destroy node using DryDock
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drydock_destroy_node = DryDockOperator(
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task_id='destroy_node',
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shipyard_conf=config_path,
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action='destroy_node',
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main_dag_name=parent_dag_name,
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sub_dag_name=child_dag_name,
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dag=dag)
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# Decommission node from Kubernetes cluster using Promenade
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promenade_decommission_node = PromenadeDecommissionNodeOperator(
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task_id='promenade_decommission_node',
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shipyard_conf=config_path,
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main_dag_name=parent_dag_name,
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sub_dag_name=child_dag_name,
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dag=dag)
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# Define dependencies
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promenade_clear_labels.set_upstream(promenade_drain_node)
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promenade_shutdown_kubelet.set_upstream(promenade_clear_labels)
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promenade_check_etcd.set_upstream(promenade_shutdown_kubelet)
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drydock_destroy_node.set_upstream(promenade_check_etcd)
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promenade_decommission_node.set_upstream(drydock_destroy_node)
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return dag
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