How to find passwords for `homeassistant` or `addons` users?

[mahnunchik]

Problem/Motivation

https://github.com/home-assistant/addons/blob/master/mosquitto/DOCS.md#home-assistant-user-management

According to the documentation homeassistant and addons users are pre-registered. I'd like to use mqtt-io addon with Mosquitto broker. Since this is an addon, it makes sense to use the existing addons user for it.

How to find passwords for homeassistant or at least addons user?

Maybe there is some predefined user/pass that can be used in mqtt-io config?

/homeassistant/mqtt-io/config.yml

mqtt:
  host: homeassistant.local
  topic_prefix: mqtt_io
  user: homeassistant #OR addons
  password: #?????????????????
  ha_discovery:
    enabled: yes

Expected behavior

It should be possible to find password for addons user to specify it in addon config.

Actual behavior

I couldn't find the password.

Steps to reproduce

1. Install Mosquitto broker
2. Install MQTT IO
3. I'm shocked that the addon can't connect...

[mahnunchik]

https://github.com/home-assistant/addons/issues/3765

[sinclairpaul]

Depends on the addon configuration itself, you are linking documentation for the Mosquitto addon which doesn't apply.

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[mahnunchik]

I'm working on it to fix this issue https://github.com/flyte/mqtt-io/issues/406