'Return a dict of all variables as found within the module.
:param variables: Hash of all variables to find.
:type variables: ``dict``'

def _get_vars(self, variables):

    variables = variables.copy()
    for v in LXC_BACKING_STORE[self.module.params['backing_store']]:
        variables.pop(v, None)
    return_dict = dict()
    false_values = ([None, ''] + BOOLEANS_FALSE)
    for (k, v) in variables.items():
        _var = self.module.params.get(k)
        if (_var not in false_values):
            return_dict[v] = _var
    else:
        return return_dict
