From e5a1ce461afaf858486a724e3cce9b2716beef3c Mon Sep 17 00:00:00 2001
From: Jun <108045855+2456868764@users.noreply.github.com>
Date: Fri, 1 Dec 2023 11:03:17 +0800
Subject: [PATCH] improve FieldIndexer setting in yurt-manager (#1834)

* improve FieldIndexer setting in yurt-manager
---
 pkg/yurtmanager/controller/controller.go      | 20 +++++++++++++++++++
 .../node_lifecycle_controller.go              | 13 ------------
 2 files changed, 20 insertions(+), 13 deletions(-)

diff --git a/pkg/yurtmanager/controller/controller.go b/pkg/yurtmanager/controller/controller.go
index dff330ce2be..93dd693f468 100644
--- a/pkg/yurtmanager/controller/controller.go
+++ b/pkg/yurtmanager/controller/controller.go
@@ -20,10 +20,12 @@ import (
 	"context"
 	"fmt"
 
+	v1 "k8s.io/api/core/v1"
 	"k8s.io/apimachinery/pkg/api/meta"
 	"k8s.io/apimachinery/pkg/util/sets"
 	"k8s.io/controller-manager/app"
 	"k8s.io/klog/v2"
+	"sigs.k8s.io/controller-runtime/pkg/client"
 	"sigs.k8s.io/controller-runtime/pkg/manager"
 
 	"github.com/openyurtio/openyurt/cmd/yurt-manager/app/config"
@@ -120,5 +122,23 @@ func SetupWithManager(ctx context.Context, c *config.CompletedConfig, m manager.
 		}
 	}
 
+	if app.IsControllerEnabled(names.NodeLifeCycleController, ControllersDisabledByDefault, c.ComponentConfig.Generic.Controllers) ||
+		app.IsControllerEnabled(names.PodBindingController, ControllersDisabledByDefault, c.ComponentConfig.Generic.Controllers) {
+		// Register spec.NodeName field indexers
+		if err := m.GetFieldIndexer().IndexField(context.TODO(), &v1.Pod{}, "spec.nodeName", func(rawObj client.Object) []string {
+			pod, ok := rawObj.(*v1.Pod)
+			if !ok {
+				return []string{}
+			}
+			if len(pod.Spec.NodeName) == 0 {
+				return []string{}
+			}
+			return []string{pod.Spec.NodeName}
+		}); err != nil {
+			klog.Errorf("could not register spec.NodeName field indexers %v", err)
+			return err
+		}
+	}
+
 	return nil
 }
diff --git a/pkg/yurtmanager/controller/nodelifecycle/node_lifecycle_controller.go b/pkg/yurtmanager/controller/nodelifecycle/node_lifecycle_controller.go
index 97031a1d718..22e6e81e41c 100644
--- a/pkg/yurtmanager/controller/nodelifecycle/node_lifecycle_controller.go
+++ b/pkg/yurtmanager/controller/nodelifecycle/node_lifecycle_controller.go
@@ -329,19 +329,6 @@ func Add(ctx context.Context, cfg *appconfig.CompletedConfig, mgr manager.Manage
 		},
 	}
 	c.Watch(&source.Kind{Type: &v1.Pod{}}, &handler.Funcs{}, podsPredicate)
-	if err := mgr.GetFieldIndexer().IndexField(context.TODO(), &v1.Pod{}, nodeNameKeyIndex, func(rawObj client.Object) []string {
-		pod, ok := rawObj.(*v1.Pod)
-		if !ok {
-			return []string{}
-		}
-		if len(pod.Spec.NodeName) == 0 {
-			return []string{}
-		}
-		return []string{pod.Spec.NodeName}
-	}); err != nil {
-		klog.Errorf("could not register spec.NodeName field indexers for nodelifecycle controller, %v", err)
-		return err
-	}
 
 	nc.taintManager = scheduler.NewNoExecuteTaintManager(nc.recorder, nc.controllerRuntimeClient, nc.getPodsAssignedToNode)
 	nodesTaintManagerPredicate := predicate.Funcs{