add StatsD reporter

README.md

@@ -51,6 +51,7 @@ Reporter        | Description
 --------------- | -------------
 `stdout`        | Write to standard out (default)
 `file`          | Write to a file or named pipe
+`statsd`        | Send data to [Statsd](https://github.com/etsy/statsd)
 `influxdb`      | Send data to [InfluxDB](http://influxdb.com/)
 `keen_io`       | Send data to [Keen IO](https://keen.io)
 `stathat`       | Send data to [StatHat](https://www.stathat.com)
@@ -250,5 +251,4 @@ docs () {
 ## Roadmap
 
 - Test and improve init.d script and write docs for it
-- Implement StatsD reporter
 - Tests

reporters/statsd.sh

@@ -0,0 +1,29 @@
+#!/bin/sh
+
+defaults () {
+  if [ -z $STATSD_HOST ]; then
+    STATSD_HOST="127.0.0.1"
+  fi
+  if [ -z $STATSD_PORT ]; then
+    STATSD_PORT=8125
+  fi
+}
+
+start () {
+  if [ -n "$STATSD_PREFIX" ]; then
+    prefix="$STATSD_PREFIX."
+  fi
+}
+
+report () {
+  local metric=$1
+  local value=$2
+  echo "$prefix$metric:$value|g" | nc -u -w0 $STATSD_HOST $STATSD_PORT
+}
+
+docs () {
+  echo "Send data to StatsD using the gauges metric type."
+  echo "STATSD_HOST=$STATSD_HOST"
+  echo "STATSD_PORT=$STATSD_PORT"
+  echo "STATSD_PREFIX=$STATSD_PREFIX"
+}