Container StatsD Emitter

A reference implementation of a containerized process which emits StatsD data to an advertised StatsD UDP endpoint.

• Looks for STATSD_UDP_HOST and STATSD_UDP_PORT in the environment, pointing to where metrics should be sent. These environment variables are automatically provided by Mesos on DC/OS EE clusters 1.7+.
• A -debug option enables additional logs to stdout.

Prerequisites

apt-get install golang-go

Build

$ go build

Run locally

$ ./statsd-emitter -h
$ STATSD_UDP_HOST="127.0.0.1" STATSD_UDP_PORT="8125" ./statsd-emitter -debug

Run in Marathon

Create the following application (in JSON Mode):

{
  "id": "statsd-emitter",
  "cmd": "/opt/mesosphere/bin/statsd-emitter",
  "cpus": 0.1,
  "mem": 128,
  "disk": 0,
  "instances": 1
}