update

mymetric/prometheus.go

@@ -5,6 +5,7 @@ import (
 	"github.com/prometheus/client_golang/prometheus"
 	"github.com/prometheus/client_golang/prometheus/promhttp"
 	"log"
+	"net/http"
 	"time"
 )
 
@@ -73,11 +74,24 @@ const (
 )
 
 // 监控指标路由
-func GinExport(engine *gin.Engine) {
+func GinExport(authKey string) gin.HandlerFunc {
-	engine.GET(MetricsRoute, gin.WrapH(promhttp.HandlerFor(
+	pm := promhttp.HandlerFor(
 		prometheus.DefaultGatherer,
 		promhttp.HandlerOpts{Timeout: time.Second * 3},
-	)))
+	)
+
+	return func(ctx *gin.Context) {
+		if authKey != "" {
+			value := ctx.Query("key")
+			if authKey != value {
+				ctx.String(http.StatusForbidden, "metric auth key is empty")
+				return
+			}
+		}
+
+		pm.ServeHTTP(ctx.Writer, ctx.Request)
+	}
+
 }
 
 func HistogramKey(name string) string {