Get mac id or device id(iot) from mqtt exporter prometheus

[Amit Das]

Hi,

I am trying get mac id of a iot device with mqtt installed its sending the mac id of the devices(ex 100 devices each unique). In my prometheus mqtt metrics i dont see the mac id or instance ip. I would like to get the iot devices mac it which it is sending when i view from mqtt explorer UI tool. Is there any specific config i need to add in my prometheus .yml?

I used https://github.com/Alessandrovito/mosquitto-exporter-prom-grafana    and  https://github.com/sapcc/mosquitto-exporter  . Any suggestions will be appreciated,

Thanks,

[Julius Volz]

Hi,

I'm not too familiar with mqtt, but your monitoring chain seems to be:

device --(push)--> mosquitto-exporter <--(pull)-- Prometheus

Prometheus would have no way of knowing or attaching the MAC address of the initial pushing devices, so it's at least not a Prometheus configuration question. If this is possible at all, it would have to happen in the device->mosquitto-exporter part of the chain, in such a way that each device includes the MAC address in its push to the exporter, and the exporter then exposes the MAC address as a label in the resulting Prometheus metrics. But I know nothing about mqtt or the mosquitto-exporter, so can't answer that part.

Julius

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Julius Volz

PromLabs - promlabs.com