From 3f692d560ded5058a403c0ec95a351143a0dae6a Mon Sep 17 00:00:00 2001
From: binbin0325 <binbin0325@apache.org>
Date: Tue, 24 Sep 2024 19:20:47 +0800
Subject: [PATCH] del empty exporter

---
 exporter/metric/empty_exporter.go | 65 -------------------------------
 exporter/metric/exporter.go       |  6 +--
 2 files changed, 1 insertion(+), 70 deletions(-)
 delete mode 100644 exporter/metric/empty_exporter.go

diff --git a/exporter/metric/empty_exporter.go b/exporter/metric/empty_exporter.go
deleted file mode 100644
index 1d1602f3..00000000
--- a/exporter/metric/empty_exporter.go
+++ /dev/null
@@ -1,65 +0,0 @@
-package metric
-
-import "net/http"
-
-type EmptyExporter struct {
-}
-
-func (e *EmptyExporter) HTTPHandler() http.Handler {
-	return nil
-}
-
-type emptyMetric struct {
-}
-
-func (e emptyMetric) Register() error {
-	return nil
-}
-
-func (e emptyMetric) Unregister() bool {
-	return false
-}
-
-func (e emptyMetric) Reset() {
-	return
-}
-
-func newEmptyExporter() *EmptyExporter {
-	return &EmptyExporter{}
-}
-
-type emptyCounter struct {
-	emptyMetric
-}
-
-func (e emptyCounter) Add(value float64, labelValues ...string) {
-	return
-}
-
-func (e *EmptyExporter) NewCounter(name, desc string, labelNames []string) Counter {
-	return emptyCounter{}
-}
-
-type emptyGauge struct {
-	emptyMetric
-}
-
-func (e emptyGauge) Set(value float64, labelValues ...string) {
-	return
-}
-
-func (e *EmptyExporter) NewGauge(name, desc string, labelNames []string) Gauge {
-	return &emptyGauge{}
-}
-
-type emptyHistogram struct {
-	emptyMetric
-}
-
-func (e emptyHistogram) Observe(value float64, labelValues ...string) {
-	return
-}
-
-func (e *EmptyExporter) NewHistogram(name, desc string, buckets []float64, labelNames []string) Histogram {
-	return &emptyHistogram{}
-}
diff --git a/exporter/metric/exporter.go b/exporter/metric/exporter.go
index 801ee0c8..4983f678 100644
--- a/exporter/metric/exporter.go
+++ b/exporter/metric/exporter.go
@@ -33,11 +33,7 @@ var (
 )
 
 func init() {
-	if config.MetricExportHTTPAddr() != "" {
-		exporter = newPrometheusExporter()
-	} else {
-		exporter = newEmptyExporter()
-	}
+	exporter = newPrometheusExporter()
 
 	host, _ = os.Hostname()
 	if host == "" {