Prometheus Cloud Analyser

It is now part of https://github.com/grafana/cortex-tools

This repo contains a set of tools that can be run against your Grafana, Prometheus and Cortex clusters to analyse which metrics are actually being used and which metrics can be dropped.

grafana-analyse

This command will be run against your Grafana instance and it will download the dashboards and pick the Prometheus metrics that are used in the queries. The output is a JSON file.

Configuration

Env Variables	Flag	Description
GRAFANA_ADDRESS	address	Address of the Grafana instance.
GRAFANA_API_KEY	key	The API Key for the Grafana instance. Create a key using the following instructions: https://grafana.com/docs/grafana/latest/http_api/auth/
__	output	The output file path. metrics-in-grafana.json by default.

Running the command

prom-cloud-analyser grafana-analyse --address=<grafana-address> --key=<API-Key>

prometheus-analyse

This command will be run against your Prometheus / GrafanaCloud instance and it will use the output from grafana-analyse show you how many series in the Prometheus server are actually being used in dashboards. The output is a JSON file

Configuration

Env Variables	Flag	Description
PROMETHEUS_ADDRESS	address	Address of the Prometheus instance.
PROMETHEUS_USER	username	If you're using GrafanaCloud this is your instance ID.
PROMETHEUS_PASSWORD	password	If you're using GrafanaCloud this is your API Key.
__	grafana-metrics-file	The input file path. metrics-in-grafana.json by default.
__	output	The output file path. prometheus-metrics.json by default.

Running the command

prom-cloud-analyser prometheus-analyse --address=https://prometheus-us-central1.grafana.net/api/prom --username=<1234> --password=<API-Key> --log.level=debug

License

Licensed Apache 2.0, see LICENSE.