fix: host tag is overridden by ident (#1359)

* fix: host tag is overridden by ident

* fix: host tag is overridden by ident
Co-authored-by: Ndeploy <deploy@izuler.io>

src/server/router/router_prom.go

@@ -104,12 +104,10 @@ func remoteWrite(c *gin.Context) {
 
 		// find ident label
 		for j := 0; j < len(req.Timeseries[i].Labels); j++ {
-			if req.Timeseries[i].Labels[j].Name == "host" {
-				req.Timeseries[i].Labels[j].Name = "ident"
-			}
-
 			if req.Timeseries[i].Labels[j].Name == "ident" {
 				ident = req.Timeseries[i].Labels[j].Value
+			} else if req.Timeseries[i].Labels[j].Name == "host" {
+				ident = req.Timeseries[i].Labels[j].Value
 			}
 
 			if req.Timeseries[i].Labels[j].Name == "__name__" {