Allow function mesh controller to be disabled

Author: fantapsody

main.go

@@ -71,13 +71,17 @@ func main() {
 		os.Exit(1)
 	}
 
-	if err = (&controllers.FunctionMeshReconciler{
-		Client: mgr.GetClient(),
-		Log:    ctrl.Log.WithName("controllers").WithName("FunctionMesh"),
-		Scheme: mgr.GetScheme(),
-	}).SetupWithManager(mgr); err != nil {
-		setupLog.Error(err, "unable to create controller", "controller", "FunctionMesh")
-		os.Exit(1)
+	// allow function mesh to be disabled and enable it by default
+	// required because of https://github.com/operator-framework/operator-lifecycle-manager/issues/1523
+	if os.Getenv("ENABLE_FUNCTION_MESH_CONTROLLER") == "false" {
+		if err = (&controllers.FunctionMeshReconciler{
+			Client: mgr.GetClient(),
+			Log:    ctrl.Log.WithName("controllers").WithName("FunctionMesh"),
+			Scheme: mgr.GetScheme(),
+		}).SetupWithManager(mgr); err != nil {
+			setupLog.Error(err, "unable to create controller", "controller", "FunctionMesh")
+			os.Exit(1)
+		}
 	}
 	if err = (&controllers.FunctionReconciler{
 		Client: mgr.GetClient(),