Metrics-filter is a service that allows you to request metrics in Prometheus format and filter them according to the allow and block lists.
This is a Golang port of metrics-filter
The service's workflow is:
graph TD
A[Remote metrics, ENV REMOTE_METRICS_ENDPOINT] -->B
B[Allow list rules, ENV ALLOW_LIST] --> C
C[Block list rules, ENV BLOCK_LIST] --> D
D[Provide metrics on the $HOST:$PORT/metrics endpoint]
-
Clone this repository and run
go buildordocker-compose build. -
Run node-exporter as metrics source and metrics-filter with examples rules,
docker-compose up -d.
These are the environment variables understood by the container image.
| Variable | Description |
|---|---|
| HOST | Address to bind the service, 0.0.0.0 by default |
| PORT | Port to bind the service, 9200 by default |
| REMOTE_METRICS_ENDPOINT | Source of metrics in the format protocol://address:port/metricsendpoint |
| ALLOW_LIST | List of keywords to keep metrics, can be , ; | separated |
| BLOCK_LIST | List of keywords to filter out metrics, can be , ; | separated |