src/main/admin/ducc_head_mode.py

#! /usr/bin/env python
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# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements.  See the NOTICE file
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# 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
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import os
import subprocess

from ducc_util import DuccUtil

class DuccHeadMode(DuccUtil):

    # purpose:    determine reliable ducc status
    # input:      none
    # output:     one of { unspecified, master, backup }
    # operation:  look in ducc.properties for relevant keywords
    #             and employ linux commands to determine if system
    #             has matching configured virtual ip address
    
    def main(self):
    	result = self.get_reliable_state()
    	print result
        
if __name__ == '__main__':
    instance = DuccHeadMode()
    instance.main()