metric 관련 코드 수정

metric/common.go

@@ -29,7 +29,6 @@ type MetricDescription struct {
 type Exporter interface {
 	RegisterMetric(*MetricDescription)
 	UpdateMetric(string, float64)
-	Shutdown()
 }
 
 type MetricWriter interface {
@@ -118,18 +117,6 @@ func NewMetric(mt MetricType, name string, help string, constLabels map[string]s
 	return impl
 }
 
-func ReadMetricValue(line []byte) (string, float64) {
-	if len(line) < 16 {
-		return "", 0
-	}
-
-	key := string(line[0:8])
-	valbits := binary.LittleEndian.Uint64(line[8:])
-	val := math.Float64frombits(valbits)
-
-	return key, val
-}
-
 var metricEnabled = false
 
 func init() {