#!/usr/bin/env python
# vim: tabstop=4 shiftwidth=4 softtabstop=4

# Copyright 2019 Lenovo
#
# 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.

__author__ = 'jjohnson2,alin37,andywray'

import optparse
import os
import signal
import sys

try:
    signal.signal(signal.SIGPIPE, signal.SIG_DFL)
except AttributeError:
    pass
path = os.path.dirname(os.path.realpath(__file__))
path = os.path.realpath(os.path.join(path, '..', 'lib', 'python'))
if path.startswith('/opt'):
    sys.path.append(path)

import confluent.client as client

def main():
    argparser = optparse.OptionParser(
    usage="Usage: %prog <group> <new group name>\n")
    (options, args) = argparser.parse_args()
    noderange=""
    nodelist=""
    nodelist = '/nodegroups/'
    session = client.Command()
    exitcode = 0
    requestargs=args[1:]
    nodetype='noderange'
    if len(args) != 2:
        argparser.print_help()
        sys.exit(1)
    else:
        for res in session.update(
            '/nodegroups/{0}/attributes/rename'.format(args[0]),
            {'rename': args[1]}):
            if 'error' in res:
                sys.stderr.write(res['error'] + '\n')
                exitcode = 1
            else:
                print('{0}: {1}'.format(res['oldname'], res['newname']))

    sys.exit(exitcode)

if __name__ == '__main__':
    main()