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python - 与 RabbitMQ 建立 TLS 连接时如何调试 "pika.exceptions.AuthenticationError: EXTERNAL"错误?

转载 作者:太空宇宙 更新时间:2023-11-03 13:24:41 25 4
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我在 Ubuntu 14.04 上有一个 RabbitMQ 3.6.1 服务器正常运行。我尝试根据 official documentation 配置 SSL 监听器.启动过程中没有问题。

然而,在尝试建立连接时,我在 Python/pika 端收到以下错误(下面是完整记录):

pika.exceptions.AuthenticationError: EXTERNAL

EXTERNAL 在这里是什么意思?如何调试/获取错误的更多详细信息?


操作过程(为了测试我使用了 Vagrant box 和本地连接):

  1. RabbitMQ 在端口 5671 上启动 SSL 监听器(根据 /var/log/rabbitmq/rabbit@rabbitmq-server.log):

    started SSL Listener on [::]:5671
  2. 我在客户端执行pika.BlockingConnection

  3. 在服务器端我可以看到传入连接:

    =INFO REPORT==== 17-Apr-2016::17:07:15 ===
    accepting AMQP connection <0.2788.0> (127.0.0.1:48404 -> 127.0.0.1:5671)
  4. 客户端失败:

    pika.exceptions.AuthenticationError: EXTERNAL
  5. 服务器超时:

    =ERROR REPORT==== 17-Apr-2016::17:07:25 ===
    closing AMQP connection <0.2788.0> (127.0.0.1:48404 -> 127.0.0.1:5671):
    {handshake_timeout,frame_header}

客户端完整记录:

>>> import pika, ssl
>>> from pika.credentials import ExternalCredentials
>>> ssl_options = ({"ca_certs": "/etc/rabbitmq/certs/testca/cacert.pem",
... "certfile": "/etc/rabbitmq/certs/client/cert.pem",
... "keyfile": "/etc/rabbitmq/certs/client/key.pem",
... "cert_reqs": ssl.CERT_REQUIRED,
... "server_side": False})
>>> host = "localhost"
>>> connection = pika.BlockingConnection(
... pika.ConnectionParameters(
... host, 5671, credentials=ExternalCredentials(),
... ssl=True, ssl_options=ssl_options))
Traceback (most recent call last):
File "<stdin>", line 4, in <module>
File "/usr/local/lib/python2.7/dist-packages/pika/adapters/blocking_connection.py", line 339, in __init__
self._process_io_for_connection_setup()
File "/usr/local/lib/python2.7/dist-packages/pika/adapters/blocking_connection.py", line 374, in _process_io_for_connection_setup
self._open_error_result.is_ready)
File "/usr/local/lib/python2.7/dist-packages/pika/adapters/blocking_connection.py", line 410, in _flush_output
self._impl.ioloop.poll()
File "/usr/local/lib/python2.7/dist-packages/pika/adapters/select_connection.py", line 602, in poll
self._process_fd_events(fd_event_map, write_only)
File "/usr/local/lib/python2.7/dist-packages/pika/adapters/select_connection.py", line 443, in _process_fd_events
handler(fileno, events, write_only=write_only)
File "/usr/local/lib/python2.7/dist-packages/pika/adapters/base_connection.py", line 364, in _handle_events
self._handle_read()
File "/usr/local/lib/python2.7/dist-packages/pika/adapters/base_connection.py", line 415, in _handle_read
self._on_data_available(data)
File "/usr/local/lib/python2.7/dist-packages/pika/connection.py", line 1347, in _on_data_available
self._process_frame(frame_value)
File "/usr/local/lib/python2.7/dist-packages/pika/connection.py", line 1414, in _process_frame
if self._process_callbacks(frame_value):
File "/usr/local/lib/python2.7/dist-packages/pika/connection.py", line 1384, in _process_callbacks
frame_value) # Args
File "/usr/local/lib/python2.7/dist-packages/pika/callback.py", line 60, in wrapper
return function(*tuple(args), **kwargs)
File "/usr/local/lib/python2.7/dist-packages/pika/callback.py", line 92, in wrapper
return function(*args, **kwargs)
File "/usr/local/lib/python2.7/dist-packages/pika/callback.py", line 236, in process
callback(*args, **keywords)
File "/usr/local/lib/python2.7/dist-packages/pika/connection.py", line 1298, in _on_connection_start
self._send_connection_start_ok(*self._get_credentials(method_frame))
File "/usr/local/lib/python2.7/dist-packages/pika/connection.py", line 1077, in _get_credentials
raise exceptions.AuthenticationError(self.params.credentials.TYPE)
pika.exceptions.AuthenticationError: EXTERNAL
>>>

最佳答案

问题中的 Python/pika 代码是正确的。

错误:

pika.exceptions.AuthenticationError: EXTERNAL

在RabbitMQ服务端没有开启客户端证书授权时报错。错误中的单词 EXTERNAL 将身份验证机制称为 described here .

启用:

rabbitmq-plugins enable rabbitmq_auth_mechanism_ssl

关于python - 与 RabbitMQ 建立 TLS 连接时如何调试 "pika.exceptions.AuthenticationError: EXTERNAL"错误?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/36674230/

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