confluent/confluent_client/bin/noderemove

#!/usr/bin/python2
# vim: tabstop=4 shiftwidth=4 softtabstop=4

# Copyright 2017 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.

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

argparser = optparse.OptionParser(
    usage='''\n       %prog <noderange>
             \n ''')
argparser.add_option('-m', '--maxnodes', type='int',
                     help='Specify a maximum number of '
                          'nodes to delete, '
                          'prompting if over the threshold')      
(options, args) = argparser.parse_args()
if len(args) != 1:
    argparser.print_help()
    sys.exit(1)
noderange = args[0]
client.check_globbing(noderange)
session = client.Command()
exitcode = 0
session.stop_if_noderange_over(noderange, options.maxnodes)
for r in session.delete('/noderange/{0}'.format(noderange)):
    if 'error' in r:
        sys.stderr.write(r['error'] + '\n')
        exitcode |= 1
    if 'deleted' in r:
        print('{0}: deleted'.format(r['deleted']))
sys.exit(exitcode)