267 lines
7.5 KiB
Python
267 lines
7.5 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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import configparser
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from airflow.models import DAG
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from airflow.operators.subdag_operator import SubDagOperator
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from airflow.operators import DryDockOperator
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# Location of shiyard.conf
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config_path = '/usr/local/airflow/plugins/shipyard.conf'
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# Read and parse shiyard.conf
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config = configparser.ConfigParser()
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config.read(config_path)
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# Define Variables
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drydock_target_host = config.get('drydock', 'host')
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drydock_port = config.get('drydock', 'port')
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drydock_token = config.get('drydock', 'token')
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drydock_conf = config.get('drydock', 'site_yaml')
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promenade_conf = config.get('drydock', 'prom_yaml')
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parent_dag = 'deploy_site'
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child_dag = 'deploy_site.drydock_build'
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def create_drydock_client(parent_dag_name, child_dag_name, args):
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'''
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Create Drydock Client
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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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operator = DryDockOperator(
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task_id='create_drydock_client',
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host=drydock_target_host,
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port=drydock_port,
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token=drydock_token,
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shipyard_conf=config_path,
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action='create_drydock_client',
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main_dag_name=parent_dag,
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sub_dag_name=child_dag,
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dag=dag)
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return dag
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def drydock_get_design_id(parent_dag_name, child_dag_name, args):
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'''
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Get Design ID
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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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operator = DryDockOperator(
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task_id='drydock_get_design_id',
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action='get_design_id',
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main_dag_name=parent_dag,
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sub_dag_name=child_dag,
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dag=dag)
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return dag
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def drydock_load_parts(parent_dag_name, child_dag_name, args):
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'''
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Load DryDock Yaml
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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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operator = DryDockOperator(
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task_id='drydock_load_parts',
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drydock_conf=drydock_conf,
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action='drydock_load_parts',
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main_dag_name=parent_dag,
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sub_dag_name=child_dag,
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dag=dag)
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return dag
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def promenade_load_parts(parent_dag_name, child_dag_name, args):
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'''
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Load Promenade Yaml
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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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operator = DryDockOperator(
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task_id='promenade_load_parts',
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promenade_conf=promenade_conf,
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action='promenade_load_parts',
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main_dag_name=parent_dag,
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sub_dag_name=child_dag,
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dag=dag)
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return dag
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def drydock_verify_site(parent_dag_name, child_dag_name, args):
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'''
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Verify connectivity between DryDock and MAAS
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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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operator = DryDockOperator(
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task_id='drydock_verify_site',
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action='verify_site',
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main_dag_name=parent_dag,
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sub_dag_name=child_dag,
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dag=dag)
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return dag
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def drydock_prepare_site(parent_dag_name, child_dag_name, args):
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'''
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Prepare site for deployment
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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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operator = DryDockOperator(
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task_id='drydock_prepare_site',
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action='prepare_site',
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main_dag_name=parent_dag,
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sub_dag_name=child_dag,
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dag=dag)
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return dag
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def drydock_prepare_node(parent_dag_name, child_dag_name, args):
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'''
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Prepare nodes for deployment
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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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operator = DryDockOperator(
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task_id='drydock_prepare_node',
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action='prepare_node',
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main_dag_name=parent_dag,
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sub_dag_name=child_dag,
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dag=dag)
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return dag
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def drydock_deploy_node(parent_dag_name, child_dag_name, args):
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'''
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Deploy Nodes
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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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operator = DryDockOperator(
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task_id='drydock_deploy_node',
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action='deploy_node',
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main_dag_name=parent_dag,
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sub_dag_name=child_dag,
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dag=dag)
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return dag
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# Names used for sub-subdags in the drydock site deployment subdag
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CREATE_DRYDOCK_CLIENT_DAG_NAME = 'create_drydock_client'
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DRYDOCK_GET_DESIGN_ID_DAG_NAME = 'drydock_get_design_id'
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DRYDOCK_LOAD_PARTS_DAG_NAME = 'drydock_load_parts'
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PROMENADE_LOAD_PARTS_DAG_NAME = 'promenade_load_parts'
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DRYDOCK_VERIFY_SITE_DAG_NAME = 'drydock_verify_site'
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DRYDOCK_PREPARE_SITE_DAG_NAME = 'drydock_prepare_site'
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DRYDOCK_PREPARE_NODE_DAG_NAME = 'drydock_prepare_node'
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DRYDOCK_DEPLOY_NODE_DAG_NAME = 'drydock_deploy_node'
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def deploy_site_drydock(parent_dag_name, child_dag_name, args):
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'''
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Puts all of the drydock deploy site into atomic unit
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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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drydock_client = SubDagOperator(
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subdag=create_drydock_client(dag.dag_id,
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CREATE_DRYDOCK_CLIENT_DAG_NAME,
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args),
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task_id=CREATE_DRYDOCK_CLIENT_DAG_NAME,
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dag=dag, )
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design_id = SubDagOperator(
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subdag=drydock_get_design_id(
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dag.dag_id, DRYDOCK_GET_DESIGN_ID_DAG_NAME, args),
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task_id=DRYDOCK_GET_DESIGN_ID_DAG_NAME,
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dag=dag, )
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drydock_yaml = SubDagOperator(
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subdag=drydock_load_parts(
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dag.dag_id, DRYDOCK_LOAD_PARTS_DAG_NAME, args),
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task_id=DRYDOCK_LOAD_PARTS_DAG_NAME,
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dag=dag, )
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promenade_yaml = SubDagOperator(
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subdag=promenade_load_parts(dag.dag_id,
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PROMENADE_LOAD_PARTS_DAG_NAME, args),
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task_id=PROMENADE_LOAD_PARTS_DAG_NAME,
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dag=dag, )
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verify_site = SubDagOperator(
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subdag=drydock_verify_site(dag.dag_id,
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DRYDOCK_VERIFY_SITE_DAG_NAME, args),
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task_id=DRYDOCK_VERIFY_SITE_DAG_NAME,
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dag=dag, )
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prepare_site = SubDagOperator(
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subdag=drydock_prepare_site(dag.dag_id,
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DRYDOCK_PREPARE_SITE_DAG_NAME, args),
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task_id=DRYDOCK_PREPARE_SITE_DAG_NAME,
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dag=dag, )
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prepare_node = SubDagOperator(
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subdag=drydock_prepare_node(dag.dag_id,
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DRYDOCK_PREPARE_NODE_DAG_NAME, args),
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task_id=DRYDOCK_PREPARE_NODE_DAG_NAME,
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dag=dag, )
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deploy_node = SubDagOperator(
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subdag=drydock_deploy_node(dag.dag_id,
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DRYDOCK_DEPLOY_NODE_DAG_NAME, args),
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task_id=DRYDOCK_DEPLOY_NODE_DAG_NAME,
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dag=dag, )
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# DAG Wiring
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design_id.set_upstream(drydock_client)
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drydock_yaml.set_upstream(design_id)
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promenade_yaml.set_upstream(drydock_yaml)
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verify_site.set_upstream(promenade_yaml)
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prepare_site.set_upstream(verify_site)
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prepare_node.set_upstream(prepare_site)
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deploy_node.set_upstream(prepare_node)
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return dag
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