text: #!/usr/bin/python3
  
  # *****************************************************************************
  #
  # Licensed to the Apache Software Foundation (ASF) under one
  # or more contributor license agreements.  See the NOTICE file
  # distributed with this work for additional information
  # regarding copyright ownership.  The ASF licenses this file
  # to you 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 argparse
  import sys
  from datalab.fab import *
  from fabric import *
  
  parser = argparse.ArgumentParser()
  parser.add_argument('--hostname', type=str, default='')
  parser.add_argument('--keyfile', type=str, default='')
  parser.add_argument('--os_user', type=str, default='')
  parser.add_argument('--rstudio_pass', type=str, default='')
  args = parser.parse_args()
  
  if __name__ == "__main__":
      print("Configure connections")
      global conn
      conn = datalab.fab.init_datalab_connection(args.hostname, args.os_user, args.keyfile)
  
      print("Setting password for Rstudio user.")
      try:
          conn.sudo('''bash -c 'echo "{0}:{1}" | chpasswd' '''.format(args.os_user, args.rstudio_pass))
          conn.close()
      except Exception as err:
          print('Error: {0}'.format(err))
          sys.exit(1)
  
  