shipyard/shipyard_airflow/plugins/promenade_check_etcd.py

57 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 PromenadeCheckEtcdOperator(PromenadeBaseOperator):
"""Promenade Check ETCD Operator
This operator will trigger promenade to retrieve the current
state of etcd.
"""
def do_execute(self):
# Placeholder function. Updates will be made when the Promenade
# API is ready for consumption.
# TODO(bryan-strassner) use:
# self.dc['kubernetes_provisioner.etcd_ready_timeout']
# self.dc['kubernetes_provisioner.remove_etcd_timeout']
logging.info("Performing health check on etcd...")
time.sleep(5)
check_etcd = True
if check_etcd:
logging.info("The etcd cluster is healthy and ready")
else:
raise AirflowException('Please check the state of etcd!')
class PromenadeCheckEtcdOperatorPlugin(AirflowPlugin):
"""Creates PromenadeCheckEtcdOperator in Airflow."""
name = 'promenade_check_etcd_operator'
operators = [PromenadeCheckEtcdOperator]