shipyard/shipyard_airflow/dags/drydock_deploy_site.py
Anthony Lin 4de8c00830 Collapse Extra Subdag Layer Across Dags
We will collapse the extra subdag layer which is not really
needed for functionalities. This will make the dags leaner and
easier to control.

Corresponding changes have been made to the Operators as well

Change-Id: I84135a15357abf902d93f3cb085c7c9a21c38b7d
2017-12-14 15:22:07 +00:00

80 lines
2.5 KiB
Python

# Copyright 2017 AT&T Intellectual Property. All other rights reserved.
#
# 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 airflow.models import DAG
from airflow.operators import DryDockOperator
# Location of shiyard.conf
# Note that the shipyard.conf file needs to be placed on a volume
# that can be accessed by the containers
config_path = '/usr/local/airflow/plugins/shipyard.conf'
def deploy_site_drydock(parent_dag_name, child_dag_name, args):
'''
DryDock Subdag
'''
dag = DAG(
'{}.{}'.format(parent_dag_name, child_dag_name),
default_args=args)
drydock_client = DryDockOperator(
task_id='create_drydock_client',
shipyard_conf=config_path,
action='create_drydock_client',
main_dag_name=parent_dag_name,
sub_dag_name=child_dag_name,
dag=dag)
drydock_verify_site = DryDockOperator(
task_id='verify_site',
shipyard_conf=config_path,
action='verify_site',
main_dag_name=parent_dag_name,
sub_dag_name=child_dag_name,
dag=dag)
drydock_prepare_site = DryDockOperator(
task_id='prepare_site',
shipyard_conf=config_path,
action='prepare_site',
main_dag_name=parent_dag_name,
sub_dag_name=child_dag_name,
dag=dag)
drydock_prepare_nodes = DryDockOperator(
task_id='prepare_nodes',
shipyard_conf=config_path,
action='prepare_nodes',
main_dag_name=parent_dag_name,
sub_dag_name=child_dag_name,
dag=dag)
drydock_deploy_nodes = DryDockOperator(
task_id='deploy_nodes',
shipyard_conf=config_path,
action='deploy_nodes',
main_dag_name=parent_dag_name,
sub_dag_name=child_dag_name,
dag=dag)
# Define dependencies
drydock_verify_site.set_upstream(drydock_client)
drydock_prepare_site.set_upstream(drydock_verify_site)
drydock_prepare_nodes.set_upstream(drydock_prepare_site)
drydock_deploy_nodes.set_upstream(drydock_prepare_nodes)
return dag