hass-core/homeassistant/components/prometheus/README.md
Anton Tolchanov 6ca476fe21
Add prometheus metric naming guidelines (#37149)
* Add prometheus metric naming guidelines.

* Update homeassistant/components/prometheus/README.md

Co-authored-by: Martin Weinelt <mweinelt@users.noreply.github.com>

Co-authored-by: Martin Weinelt <mweinelt@users.noreply.github.com>
2020-07-05 19:00:37 +02:00

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Markdown

# Prometheus integration
This integration exposes metrics in a Prometheus compatible format.
## Metric naming guidelines
Please follow these guidelines while defining metrics.
* Metric and label names should conform to [Prometheus
naming guidelines](https://prometheus.io/docs/practices/naming/).
* Domain-specific metrics should have the domain (`sensor`, `switch`,
`climate`, etc.) as a metric name prefix.
* Enum-like values (e.g. entity state or current mode) should be exported using
a "boolean" metric (values of 0 or 1) broken down by state/mode (as a metric
label).