Recurse for sdb:// links for opts

def apply_sdb(opts, sdb_opts=None):
    '''
    Recurse for sdb:// links for opts
    '''
    # Late load of SDB to keep CLI light
    import salt.utils.sdb
    if sdb_opts is None:
        sdb_opts = opts
    if isinstance(sdb_opts, six.string_types) and sdb_opts.startswith('sdb://'):
        return salt.utils.sdb.sdb_get(sdb_opts, opts)
    elif isinstance(sdb_opts, dict):
        for key, value in six.iteritems(sdb_opts):
            if value is None:
                continue
            sdb_opts[key] = apply_sdb(opts, value)
    elif isinstance(sdb_opts, list):
        for key, value in enumerate(sdb_opts):
            if value is None:
                continue
            sdb_opts[key] = apply_sdb(opts, value)

    return sdb_opts