ansible_plugin.py

#!/usr/bin/python
#
# Get uuid by blkid output.
# :param blkid: str
# :param target: str
# :rtype :str
#
import json
import sys
import shlex


def _get_args_data():
    args_file = sys.argv[1]
    args_data = file(args_file).read()
    return shlex.split(args_data)


def _get_args(key):
    value = None
    for arg in _get_args_data():
        if key in arg:
            value = arg.split(key)[1]
    return value


def _error():
    print json.dumps({
        "failed": True,
        "msg": "search failed"
    })
    sys.exit(1)


def _get_uuid():
    str_obj = _get_args('blkid')
    for line in str_obj.split(' '):
        if not 'UUID' in line:
            continue
        return line.split('=')[1].strip('"')
    else:
        _error()


def _output(dict_obj):
    print json.dumps(dict_obj)
    sys.exit(0)


def main():
    result = _get_uuid()
    _output({
        "value": result,
        "changed": True
    })


if __name__ == "__main__":
    main()