adds ability to hide certain apps on the frontend

Author: petethepig

pkg/config/config.go

@@ -48,6 +48,8 @@ type Server struct {
 	MaxNodesSerialization int `def:"2048"`
 	MaxNodesRender        int `def:"2048"`
 
+	HideApplications []string `def:""`
+
 	AnalyticsOptOut bool `def:"false" desc:"disables analytics"`
 }
 

pkg/server/labels.go

@@ -21,8 +21,11 @@ func (ctrl *Controller) labelsHandler(w http.ResponseWriter, r *http.Request) {
 
 func (ctrl *Controller) labelValuesHandler(w http.ResponseWriter, r *http.Request) {
 	res := []string{}
-	ctrl.s.GetValues(r.URL.Query().Get("label"), func(v string) bool {
-		res = append(res, v)
+	labelName := r.URL.Query().Get("label")
+	ctrl.s.GetValues(labelName, func(v string) bool {
+		if labelName != "__name__" || !arrContains(ctrl.cfg.Server.HideApplications, v) {
+			res = append(res, v)
+		}
 		return true
 	})
 	b, err := json.Marshal(res)
@@ -32,3 +35,12 @@ func (ctrl *Controller) labelValuesHandler(w http.ResponseWriter, r *http.Reques
 	w.WriteHeader(200)
 	w.Write(b)
 }
+
+func arrContains(arr []string, searchValue string) bool {
+	for _, v := range arr {
+		if searchValue == v {
+			return true
+		}
+	}
+	return false
+}