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kpetremann / mqtt-exporter

Simple generic MQTT Prometheus exporter for IoT working out of the box
https://hub.docker.com/r/kpetrem/mqtt-exporter
MIT License
103 stars 29 forks source link

Crash bad char metric name #56

Closed kpetremann closed 1 year ago

kpetremann commented 1 year ago

Fixes #55

Description:

Special characters in the topic is causing Prometheus exception.

Before the commit:

Crash when topic = cpu_usages_%Cpu

After the commit:

No crash anymore and cpu_usages_%Cpu is normalized to cpu_usages_Cpu.