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erigon-pulse/cmd/prometheus/Readme.md
alex.sharov c043a7c876 prometheus docs for developers
2020-10-24 10:15:53 +07:00

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Run Grafana and Prometheus: docker-compose up prometheus grafana

Go to: localhost:3000, admin/admin

List of hosts and ports to collecting metrics is in: ./cmd/prometheus/prometheus.yml

Env variables:

  • XDG_DATA_HOME re-defines default prometheus and grafana databases folder.
  • TG_PROMETHEUS_CONFIG path to custom prometheus.yml file. Default is: ./cmd/prometheus/prometheus.yml
  • TG_GRAFANA_CONFIG path to custom grafana.ini file. Default is: ./cmd/prometheus/grafana.ini

To add custom TG host: copy ./cmd/prometheus/prometheus.yml, modify, pass new location by: TG_PROMETHEUS_CONFIG=/new/location/prometheus.yml docker-compose up prometheus grafana

For developers

How to update dashboards

  1. Edit dashboard right in Grafana UI as you need. Save.
  2. Go to "Dashboard Settings" -> "JSON Model" -> Copy json representation of dashboard.
  3. Go to file ./cmd/prometheus/dashboards/turbo_geth.json and past json there.
  4. Commit and push. Done.

How to add new metrics

See example: ethdb/object_db.go:dbGetTimer

For gRPC metrics search in code: grpc_prometheus.Register