上次没有记住具体的错误现象，只是从自己的记录中翻看到那个错误日志
今天重新安装一次，终于知道错误现象了，第一时间写下来，以免下次又忘了

OpenStack 手动安装中错误： (403) ACCESS_REFUSED - Login was refused using authentication mechanism AMQPLAIN.

查看错误日志

root@controller:/var/log/neutron# tail neutron-metadata-agent.log

2022-12-08 16:36:51.556 1727 ERROR neutron.agent.metadata.agent   File "/usr/lib/python3/dist-packages/amqp/method_framing.py", line 53, in on_frame
2022-12-08 16:36:51.556 1727 ERROR neutron.agent.metadata.agent     callback(channel, method_sig, buf, None)
2022-12-08 16:36:51.556 1727 ERROR neutron.agent.metadata.agent   File "/usr/lib/python3/dist-packages/amqp/connection.py", line 535, in on_inbound_method
2022-12-08 16:36:51.556 1727 ERROR neutron.agent.metadata.agent     return self.channels[channel_id].dispatch_method(
2022-12-08 16:36:51.556 1727 ERROR neutron.agent.metadata.agent   File "/usr/lib/python3/dist-packages/amqp/abstract_channel.py", line 143, in dispatch_method
2022-12-08 16:36:51.556 1727 ERROR neutron.agent.metadata.agent     listener(*args)
2022-12-08 16:36:51.556 1727 ERROR neutron.agent.metadata.agent   File "/usr/lib/python3/dist-packages/amqp/connection.py", line 665, in _on_close
2022-12-08 16:36:51.556 1727 ERROR neutron.agent.metadata.agent     raise error_for_code(reply_code, reply_text,
2022-12-08 16:36:51.556 1727 ERROR neutron.agent.metadata.agent amqp.exceptions.AccessRefused: (0, 0): (403) ACCESS_REFUSED - Login was refused using authentication mechanism AMQPLAIN. For details see the broker logfile.
2022-12-08 16:36:51.556 1727 ERROR neutron.agent.metadata.agent 

1. 排查

    # rabbitmqctl list_users
    Listing users ...
    user	tags
    guest	[administrator]
   

   处理方式同上次一样

   Message queue for Ubuntu

   抄录一下

2. Add the openstack user:

    # rabbitmqctl add_user openstack RABBIT_PASS
    
    Creating user "openstack" ...
    Replace RABBIT_PASS with a suitable password.
   

3. Permit configuration, write, and read access for the openstack user:

    # rabbitmqctl set_permissions openstack ".*" ".*" ".*"
    
    Setting permissions for user "openstack" in vhost "/" ...