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Remote Read Interceptor

Notice: ⚠️ This repository is deprecated. This is not maintained anymore and will not receive any patches. ⚠️

Remote Read Interceptor is a reverse proxy to be placed between a Prometheus and a "remote-read" InfluxDB. It allows to dynamically change the influxdb database RP used to gather points based on the Prometheus remote read request time range.

Install

Remote Read Interceptor binaries have no dependencies. You can get the latest under release section.

Build

To build from source you will need Git and Go.

  • Run go get github.com/iguanesolutions/rrinterceptor

Remote Read Interceptor will be installed to your $GOPATH/bin folder.

Flags

Remote Read Interceptor has the following command-line flags:

  • -bind-addr - the HTTP server bind address (default: ':9404').
  • -influx-url - the influxdb target url (default: 'http://127.0.0.1:8086').
  • -check-frequency - the cache check frequency in minutes (default: 60).
  • -expiration-limit - the cache expiration limit (default: 1440).
  • -log-level - set the loglevel: Fatal(0) Error(1) Warning(2) Info(3) Debug(4) (default: '1').

Prometheus setup

Prometheus must be configured with remote_read in order to read data thought Remote Read Interceptor. Add the following lines to Prometheus configuration file (it is usually located at /etc/prometheus/prometheus.yml):

remote_read:
  - url: 'http://127.0.0.1:9404/smartread?db=influx'

The remote_write writes data directly to influxdb. Add the following lines to Prometheus configuration file:

remote_write:
  - url: 'http://127.0.0.1:8086/api/v1/prom/write?db=influx'