FeatureToggles: Support changing feature toggles with URL parameters (#50275)

packages/grafana-runtime/src/config.ts

@@ -153,7 +153,27 @@ export class GrafanaBootConfig implements GrafanaConfig {
     if (this.dateFormats) {
       systemDateFormats.update(this.dateFormats);
     }
+
+    overrideFeatureTogglesFromUrl(this);
+  }
+}
+
+function overrideFeatureTogglesFromUrl(config: GrafanaBootConfig) {
+  if (window.location.href.indexOf('__feature') === -1) {
+    return;
   }
+
+  const params = new URLSearchParams(window.location.search);
+  params.forEach((value, key) => {
+    if (key.startsWith('__feature.')) {
+      const featureName = key.substring(10);
+      const toggleState = value === 'true';
+      if (toggleState !== config.featureToggles[key]) {
+        config.featureToggles[featureName] = toggleState;
+        console.log(`Setting feature toggle ${featureName} = ${toggleState}`);
+      }
+    }
+  });
 }
 
 const bootData = (window as any).grafanaBootData || {

public/app/features/search/service/searcher.ts

@@ -8,9 +8,7 @@ let searcher: GrafanaSearcher | undefined = undefined;
 
 export function getGrafanaSearcher(): GrafanaSearcher {
   if (!searcher) {
-    const useBluge =
-      config.featureToggles.panelTitleSearch && // set in system configs
-      window.location.search.indexOf('index=sql') < 0; // or URL override
+    const useBluge = config.featureToggles.panelTitleSearch;
     searcher = useBluge ? new BlugeSearcher() : new SQLSearcher();
   }
   return searcher!;