Exemple #1
0
def solve_badhosts():
    # 处理问题主机,根据问题类型,重装软件或拨号。

    badhosts_info_dict = RedisClient(list_key='badhosts').all()
    if badhosts_info_dict:
        for key, v in badhosts_info_dict.items():
            values = v
            # 从配置文件读取(链接信息可能已被修正了)
            for _group in HOSTS_GROUP:
                if key in HOSTS_GROUP.get(_group).keys():
                    values = HOSTS_GROUP.get(_group)[key]

            with paramiko.SSHClient() as ssh_cli:
                ssh_cli.set_missing_host_key_policy(paramiko.AutoAddPolicy())
                try:
                    ssh_cli.connect(hostname=values['host'], username=values['username'],
                                    password=values['password'],
                                    port=values['port'])
                except paramiko.ssh_exception.NoValidConnectionsError as e:
                    # init_error错误是ssh信息配置错误,只要修正了配置文件就能继续下去。
                    # 如果还是链接不上,还是init_error则更新信息。
                    logger.error(f'主机:{key},配置有问题,请手动修复并重启程序! {e}')
                    values['problem'] = 'init_error'
                    RedisClient(list_key='badhosts').set(key, json.dumps(values))

            # 如果是adsl_error错误,则需要重新安装软件
            if values['problem'] == 'adsl_error':
                clean_sys(ssh_cli)
                check_host(ssh_cli)

            # 开始拨号
            try:
                proxy_ip = pppoe(ssh_cli, values['cmd'])
            except Exception:
                # 依然有问题,不做操作
                pass
            # 如果没问题,加入代理,从问题主机列表移除并添加到正常主机列表
            RedisClient(list_key='adslproxy').set(key, f'{proxy_ip}:{PROXY_PORT}')
            RedisClient(list_key='badhosts').remove(key)
            RedisClient(list_key='goodhosts').set(key, json.dumps(values))
    # 间隔300秒 时间再次执行
    threading.Timer(300, solve_badhosts).start()
Exemple #2
0
def adsl_switch_ip():
    # 定时拨号的主机是从正常的主机中获取的。
    hosts_info_dict = RedisClient(list_key='goodhosts').all()
    # 开始拨号(从拨号到IP可用有一定时间间隔,不要用异步,防止短时间内无IP可用)
    for key, values in hosts_info_dict.items():
        with paramiko.SSHClient() as ssh_cli:
            ssh_cli.set_missing_host_key_policy(paramiko.AutoAddPolicy())
            # 这里不用捕捉异常,在hosts_init()时即可判断时否异常
            ssh_cli.connect(hostname=values['host'], username=values['username'],
                            password=values['password'],
                            port=values['port'])
            try:
                proxy_ip = pppoe(ssh_cli, values['cmd'])
            except Exception:
                # 重新拨号得不到新IP,则移除旧IP,且从正常主机列表移除并加入问题主机列表
                logger.error(f'{key}:拨号失败了!')
                RedisClient(list_key='adslproxy').remove(key)
                RedisClient(list_key='goodhosts').remove(key)
                values['problem'] = 'adsl_error'
                RedisClient(list_key='badhosts').set(key, json.dumps(values))
            # 存储到Redis
            RedisClient(list_key='adslproxy').set(key, f'{proxy_ip}:{PROXY_PORT}')
    # 间隔ADSL_SWITCH_TIME 时间再次执行
    threading.Timer(ADSL_SWITCH_TIME, adsl_switch_ip).start()