Also log the finished sample

for debugging, it's useful to know what comes in as well as what goes
out.

Signed-off-by: Matthias Rampke <[email protected]>

main.go

@@ -143,6 +143,7 @@ func (c *graphiteCollector) processLine(line string) {
 		Help:         fmt.Sprintf("Graphite metric %s", originalName),
 		Timestamp:    time.Unix(int64(timestamp), int64(math.Mod(timestamp, 1.0)*1e9)),
 	}
+	log.Debugf("Sample: %+v", sample)
 	lastProcessed.Set(float64(time.Now().UnixNano()) / 1e9)
 	c.ch <- &sample
 }