reference_api_script_dc.adoc

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summary	You can use the following CLI script to delete an existing cluster.

Script to delete an ONTAP Select cluster

You can use the following CLI script to delete an existing cluster.

#!/usr/bin/env python
##--------------------------------------------------------------------
#
# File: delete_cluster.py
#
# (C) Copyright 2019 NetApp, Inc.
#
# This sample code is provided AS IS, with no support or warranties of
# any kind, including but not limited for warranties of merchantability
# or fitness of any kind, expressed or implied. Permission to use,
# reproduce, modify and create derivatives of the sample code is granted
# solely for the purpose of researching, designing, developing and
# testing a software application product for use with NetApp products,
# provided that the above copyright notice appears in all copies and
# that the software application product is distributed pursuant to terms
# no less restrictive than those set forth herein.
#
##--------------------------------------------------------------------

import argparse
import json
import logging

from deploy_requests import DeployRequests

def find_cluster(deploy, cluster_name):
    return deploy.find_resource('/clusters', 'name', cluster_name)


def offline_cluster(deploy, cluster_id):
    # Test that the cluster is online, otherwise do nothing
    response = deploy.get('/clusters/{}?fields=state'.format(cluster_id))
    cluster_data = response.json()['record']
    if cluster_data['state'] == 'powered_on':
        log_info("Found the cluster to be online, modifying it to be powered_off.")
        deploy.patch('/clusters/{}'.format(cluster_id), {'availability': 'powered_off'}, True)


def delete_cluster(deploy, cluster_id):
    log_info("Deleting the cluster({}).".format(cluster_id))
    deploy.delete('/clusters/{}'.format(cluster_id), True)
    pass


def log_info(msg):
    logging.getLogger('deploy').info(msg)


def configure_logging():
    FORMAT = '%(asctime)-15s:%(levelname)s:%(name)s: %(message)s'
    logging.basicConfig(level=logging.INFO, format=FORMAT)
    logging.getLogger('requests.packages.urllib3.connectionpool').setLevel(logging.WARNING)


def main(args):
    configure_logging()
    deploy = DeployRequests(args.deploy, args.password)

    with open(args.config_file) as json_data:
        config = json.load(json_data)

        cluster_id = find_cluster(deploy, config['cluster']['name'])

        log_info("Found the cluster {} with id: {}.".format(config['cluster']['name'], cluster_id))

        offline_cluster(deploy, cluster_id)

        delete_cluster(deploy, cluster_id)


def parseArgs():
    parser = argparse.ArgumentParser(description='Uses the ONTAP Select Deploy API to delete a cluster')
    parser.add_argument('-d', '--deploy', required=True, type=str, help='Hostname or IP address of Deploy server')
    parser.add_argument('-p', '--password', required=True, type=str, help='Admin password of Deploy server')
    parser.add_argument('-c', '--config_file', required=True, type=str, help='Filename of the cluster json config')
    return parser.parse_args()

if __name__ == '__main__':
    args = parseArgs()
    main(args)