prometheus-filter-proxy

This tool provides a Prometheus-style HTTP API, rewrites all incoming PromQL queries and forwards them to an upstream Prometheus server.

Features

prometheus-filter-proxy sits between a Prometheus server and a Prometheus API consumer such as Grafana. Instead of pointing Grafana to one Prometheus Data Source, you will create multiple Grafana Organizations with their own Prometheus Data Sources. Each Data Source points to an individual prometheus-filter-proxy endpoint which rewrites all requests to be limited to the given label matcher. Example: http://127.0.0.1:9090/owner=".*<somebody>.*"/

In order for this to make any sense, your Prometheus data has to be classified with a useful label (such as owner in the above case). Basically, this is an implementation of the idea of Prometheus issue #1813.

Status

This project is considered feature-complete. It is recommended that long-term tests be run before putting this tool into production.

Build

This tool is built using Go (tested with 1.9.2 or newer). It makes use of some popular Go libraries, which have been vendored (using go mod vendor) to allow for reproducible builds and simplified cloning.

go get -u github.com/hoffie/prometheus-filter-proxy

Configuration

prometheus-filter-proxy is configured using command line options only (see --help and the example below):

$ ./prometheus-filter-proxy --proxy.listen-addr 127.0.0.1:8888 --upstream.addr 127.0.0.1:9091

License

This software is released under the Apache 2.0 license.

Author

prometheus-filter-proxy has been created by Christian Hoffmann. If you find this project useful, please star it or drop me a short mail.