支持 Prometheus metrics 的内容输出格式。

itsgodzilla · Sep 15, 2023 · d82bd2a · d82bd2a
1 parent ccb2ff0
commit d82bd2a
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/http_rest.go b/http_rest.go
@@ -86,6 +86,15 @@ func (rest *HttpRestProvider) register(web HttpURL, handlerList []HandlerFunc) {
 			response = results
 		}
 		v, _ = json.Marshal(response)
+		// it works when importing promehttp handler for /metrics.
+		if web.Uri == "/metrics" {
+			str := string(v)
+			str = strings.ReplaceAll(str, "\\\"", "\"")
+			str = strings.ReplaceAll(str, "\\n", "\r\n")
+			str = strings.ReplaceAll(str, "\"", "")
+			fmt.Fprint(w, str)
+			return
+		}
 		w.Write(v)
 	})
 }