shipyard/shipyard_airflow/plugins/promenade_decommission_node.py
Anthony Lin d5e21c4b18 Refactor Promenade Operator
We will move away from the usage of if/else block and will instead
make use of inheritance (promenade base operator) and task specific
operators in our dags to execute the workflow

Change-Id: Id32592d4f5f2d32e479344c7b859493b6bb450cb
2018-02-15 09:39:39 -05:00

55 lines
1.8 KiB
Python

# Copyright 2018 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.
import logging
import time
from airflow.plugins_manager import AirflowPlugin
from airflow.exceptions import AirflowException
from promenade_base_operator import PromenadeBaseOperator
class PromenadeDecommissionNodeOperator(PromenadeBaseOperator):
"""Promenade Decommission Node Operator
This operator will trigger promenade to perform steps to
clean up the target node from the Kubernetes cluster
"""
def do_execute(self):
# Placeholder function. Updates will be made when the Promenade
# API is ready for consumption.
logging.info("Decommissioning node from Kubernetes cluster...")
time.sleep(5)
decommission_node = True
if decommission_node:
logging.info("Succesfully decommissioned node %s",
self.redeploy_server)
else:
raise AirflowException('Failed to decommission node %s!',
self.redeploy_server)
class PromenadeDecommissionNodeOperatorPlugin(AirflowPlugin):
"""Creates PromenadeDecommissionNodeOperator in Airflow."""
name = 'promenade_decommission_node_operator'
operators = [PromenadeDecommissionNodeOperator]