get_ips_from_coordinator.py 文件源码

def in_known_cidr_block(ip_address):
    redis_con = redis.StrictRedis(host=settings.REDIS_HOST,
                                  port=settings.REDIS_PORT,
                                  db=settings.REDIS_DB)
    cidrs = redis_con.get('cidrs')

    if not cidrs or not len(cidrs):
        return False

    return len(netaddr.all_matching_cidrs(ip_address, cidrs.split(','))) > 0