text: # Copyright (c) 2017 StackHPC Ltd.
  #
  # 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.
  
  from __future__ import print_function
  
  import os
  
  VAULT_PASSWORD_ENV = "JAVA_ROLE_VAULT_PASSWORD"
  
  
  def main():
      """Helper script to allow specification of vault password via env."""
      password = os.getenv(VAULT_PASSWORD_ENV)
      if password:
          print(password)
  