clean/formatted floats, removed trailing 0s

README.md

@@ -28,21 +28,21 @@ Application instrumentation:
 
 ```
 $ sensu-prometheus-collector -exporter-url http://localhost:8080/metrics
-go_memstats_last_gc_time_seconds value=0.000000 1506991233
-go_memstats_mspan_sys_bytes value=32768.000000 1506991233
+go_memstats_last_gc_time_seconds value=0 1506991233
+go_memstats_mspan_sys_bytes value=32768 1506991233
 ...
 ```
 
 ```
 $ sensu-prometheus-collector -exporter-url http://localhost:8080/metrics -output-format graphite -metric-prefix foo.bar.
-foo.bar.go_memstats_stack_inuse_bytes 294912.000000 1506991405
-foo.bar.go_memstats_mallocs_total 6375.000000 1506991405
+foo.bar.go_memstats_stack_inuse_bytes 294912 1506991405
+foo.bar.go_memstats_mallocs_total 6375 1506991405
 ...
 ```
 
 Prometheus query API:
 
 ```
 $ sensu-prometheus-collector -prom-url http://localhost:9090 -prom-query up
-up,instance=localhost:9090,job=prometheus value=1.000000 1506991495
+up,instance=localhost:9090,job=prometheus value=1 1506991495
 ```

sensu-prometheus-collector.go

@@ -8,6 +8,7 @@ import (
 	"fmt"
 	"net/http"
 	"os"
+	"strconv"
 	"time"
 
 	"github.com/prometheus/client_golang/api/prometheus"
@@ -56,12 +57,12 @@ func CreateGraphiteMetrics(samples model.Vector, metricPrefix string) string {
 	for _, sample := range samples {
 		name := fmt.Sprintf("%s%s", metricPrefix, sample.Metric["__name__"])
 
-		value := sample.Value
+		value := strconv.FormatFloat(float64(sample.Value), 'f', -1, 64)
 
 		now := time.Now()
 		timestamp := now.Unix()
 
-		metric := fmt.Sprintf("%s %f %v\n", name, value, timestamp)
+		metric := fmt.Sprintf("%s %s %d\n", name, value, timestamp)
 
 		metrics += metric
 	}
@@ -81,12 +82,12 @@ func CreateInfluxMetrics(samples model.Vector, metricPrefix string) string {
 			}
 		}
 
-		value := sample.Value
+		value := strconv.FormatFloat(float64(sample.Value), 'f', -1, 64)
 
 		now := time.Now()
 		timestamp := now.Unix()
 
-		metric += fmt.Sprintf(" value=%f %v\n", value, timestamp)
+		metric += fmt.Sprintf(" value=%s %d\n", value, timestamp)
 
 		metrics += metric
 	}