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Separate Devices Running MQTT IO Are Recognized as a Single Device in Home Assistant #344

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dolai1 opened this issue Jan 19, 2024 · 1 comment

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@dolai1
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dolai1 commented Jan 19, 2024

I appreciate the software; this is letting me pull my remote Raspberry Pi GPIOs into HA cleanly.

I have an issue though. I have two separate instances of MQTT IO running right now on two Raspberry Pis (more to come), but they get merged into a single device in HA (Mosquitto) with all of the entities under it.

I am guessing that I need to change my ha_discovery settings, but not sure how right now.

Each instance has its own MQTT user, it's own topic prefix, and a unique name under mqtt.ha_discovery. The device name is the one that connected most recently and, with MQTT Explorer, I confirmed that the two instances have different unique IDs.

Any idea what I need to change in my configs to get the two to be recognized as separate devices in Home Assistant? Thank you.

@dolai1
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dolai1 commented Jan 29, 2024

I think that I figured this out, in case anyone else is running into the same issue:
It looks like MQTT IO reports two identifiers when it makes its availability report to HA via MQTT: the device name, and, separately, “mqtt-io”. It looks like HA gets confused with multiple devices reporting the same identifier, even if there are unique IDs that accompany the duplicated one.

So, my workaround involves deleting
"mqtt-io",
from the “identifiers” line in
<python virtual environment location>/lib/python3.11/site-packages/mqtt_io/home_assistant.py

It seems like this could have some unintended consequences, so I’d appreciate the input of anyone with more experience on this.
If not, could we change the code to reflect this?

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