Cfg file to defaults/main.yml

cfg_to_defaults_main.yml

import sys
import re

"""
Loops over a file with configuration in the form of
#key = value
and produces a yaml file suitable for ansibles defaults/main.yml
"""


if __name__ == '__main__':
    if len(sys.argv) is not 3:
        print('usage: {} config-file yaml-file'.format(sys.argv[0]))
        sys.exit(1)

    with open(sys.argv[1], 'r') as f:
        lines = f.readlines()

    with open(sys.argv[1], 'w') as f, open(sys.argv[2], 'w') as d:
        d.write('---\n')
        for line in lines:
            match = re.match('^#([^ ][^=]+)=(.*)$', line)
            if match:
                key, value = (match.group(1).strip(), match.group(2).strip())
                d.write('{key}: "{value}"\n'.format(
                    key=key.lower(),
                    value=value
                ))
                f.write('{0} = {{{{{1}}}}}'.format(key, key.lower()))
            else:
                f.write(line)